diff options
Diffstat (limited to 'arch/arm/mach-s3c24xx')
96 files changed, 19384 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig new file mode 100644 index 00000000000..ad5316ae524 --- /dev/null +++ b/arch/arm/mach-s3c24xx/Kconfig @@ -0,0 +1,633 @@ +# arch/arm/mach-s3c24xx/Kconfig +# +# Copyright (c) 2012 Samsung Electronics Co., Ltd. +# http://www.samsung.com/ +# +# Copyright 2007 Simtec Electronics +# +# Licensed under GPLv2 + +if ARCH_S3C24XX + +config PLAT_S3C24XX + def_bool y + select ARCH_REQUIRE_GPIOLIB + select NO_IOPORT_MAP + select S3C_DEV_NAND + select IRQ_DOMAIN + help + Base platform code for any Samsung S3C24XX device + + + +menu "SAMSUNG S3C24XX SoCs Support" + +comment "S3C24XX SoCs" + +config CPU_S3C2410 + bool "SAMSUNG S3C2410" + default y + select CPU_ARM920T + select S3C2410_COMMON_CLK + select S3C2410_DMA if S3C24XX_DMA + select ARM_S3C2410_CPUFREQ if ARM_S3C24XX_CPUFREQ + select S3C2410_PM if PM + select SAMSUNG_WDT_RESET + help + Support for S3C2410 and S3C2410A family from the S3C24XX line + of Samsung Mobile CPUs. + +config CPU_S3C2412 + bool "SAMSUNG S3C2412" + select CPU_ARM926T + select S3C2412_COMMON_CLK + select S3C2412_DMA if S3C24XX_DMA + select S3C2412_PM if PM + help + Support for the S3C2412 and S3C2413 SoCs from the S3C24XX line + +config CPU_S3C2416 + bool "SAMSUNG S3C2416/S3C2450" + select CPU_ARM926T + select S3C2416_PM if PM + select S3C2443_COMMON_CLK + select S3C2443_DMA if S3C24XX_DMA + help + Support for the S3C2416 SoC from the S3C24XX line + +config CPU_S3C2440 + bool "SAMSUNG S3C2440" + select CPU_ARM920T + select S3C2410_COMMON_CLK + select S3C2410_PM if PM + select S3C2440_DMA if S3C24XX_DMA + help + Support for S3C2440 Samsung Mobile CPU based systems. + +config CPU_S3C2442 + bool "SAMSUNG S3C2442" + select CPU_ARM920T + select S3C2410_COMMON_CLK + select S3C2410_DMA if S3C24XX_DMA + select S3C2410_PM if PM + help + Support for S3C2442 Samsung Mobile CPU based systems. + +config CPU_S3C244X + def_bool y + depends on CPU_S3C2440 || CPU_S3C2442 + select SAMSUNG_WDT_RESET + +config CPU_S3C2443 + bool "SAMSUNG S3C2443" + select CPU_ARM920T + select S3C2443_COMMON_CLK + select S3C2443_DMA if S3C24XX_DMA + help + Support for the S3C2443 SoC from the S3C24XX line + +# common code + +config S3C24XX_SMDK + bool + help + Common machine code for SMDK2410 and SMDK2440 + +config S3C24XX_SIMTEC_AUDIO + bool + depends on (ARCH_BAST || MACH_VR1000 || MACH_OSIRIS || MACH_ANUBIS) + default y + help + Add audio devices for common Simtec S3C24XX boards + +config S3C24XX_SIMTEC_PM + bool + help + Common power management code for systems that are + compatible with the Simtec style of power management + +config S3C24XX_SIMTEC_USB + bool + help + USB management code for common Simtec S3C24XX boards + +config S3C24XX_SETUP_TS + bool + help + Compile in platform device definition for Samsung TouchScreen. + +config S3C24XX_DMA + bool "S3C2410 DMA support (deprecated)" + select S3C_DMA + help + S3C2410 DMA support. This is needed for drivers like sound which + use the S3C2410's DMA system to move data to and from the + peripheral blocks. + +config S3C2410_DMA_DEBUG + bool "S3C2410 DMA support debug" + depends on S3C2410_DMA + help + Enable debugging output for the DMA code. This option sends info + to the kernel log, at priority KERN_DEBUG. + +config S3C2410_DMA + bool + depends on S3C24XX_DMA && (CPU_S3C2410 || CPU_S3C2442) + help + DMA device selection for S3C2410 and compatible CPUs + +config S3C2410_PM + bool + help + Power Management code common to S3C2410 and better + +config S3C24XX_PLL + bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)" + depends on ARM_S3C24XX_CPUFREQ + help + Compile in support for changing the PLL frequency from the + S3C24XX series CPUfreq driver. The PLL takes time to settle + after a frequency change, so by default it is not enabled. + + This also means that the PLL tables for the selected CPU(s) will + be built which may increase the size of the kernel image. + +# cpu frequency items common between s3c2410 and s3c2440/s3c2442 + +config S3C2410_IOTIMING + bool + depends on ARM_S3C24XX_CPUFREQ + help + Internal node to select io timing code that is common to the s3c2410 + and s3c2440/s3c2442 cpu frequency support. + +config S3C2410_CPUFREQ_UTILS + bool + depends on ARM_S3C24XX_CPUFREQ + help + Internal node to select timing code that is common to the s3c2410 + and s3c2440/s3c244 cpu frequency support. + +# cpu frequency support common to s3c2412, s3c2413 and s3c2442 + +config S3C2412_IOTIMING + bool + depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2412 || CPU_S3C2443) + help + Intel node to select io timing code that is common to the s3c2412 + and the s3c2443. + +# cpu-specific sections + +if CPU_S3C2410 + +config S3C2410_PLL + bool + depends on ARM_S3C2410_CPUFREQ && S3C24XX_PLL + default y + help + Select the PLL table for the S3C2410 + +config S3C24XX_SIMTEC_NOR + bool + help + Internal node to specify machine has simtec NOR mapping + +config MACH_BAST_IDE + bool + select HAVE_PATA_PLATFORM + help + Internal node for machines with an BAST style IDE + interface + +comment "S3C2410 Boards" + +# +# The "S3C2410 Boards" list is ordered alphabetically by option text. +# (without ARCH_ or MACH_) +# + +config MACH_AML_M5900 + bool "AML M5900 Series" + select S3C24XX_SIMTEC_PM if PM + select S3C_DEV_USB_HOST + help + Say Y here if you are using the American Microsystems M5900 Series + <http://www.amltd.com> + +config ARCH_BAST + bool "Simtec Electronics BAST (EB2410ITX)" + select ISA + select MACH_BAST_IDE + select S3C2410_COMMON_DCLK + select S3C2410_IOTIMING if ARM_S3C2410_CPUFREQ + select S3C24XX_SIMTEC_NOR + select S3C24XX_SIMTEC_PM if PM + select S3C24XX_SIMTEC_USB + select S3C_DEV_HWMON + select S3C_DEV_NAND + select S3C_DEV_USB_HOST + help + Say Y here if you are using the Simtec Electronics EB2410ITX + development board (also known as BAST) + +config BAST_PC104_IRQ + bool "BAST PC104 IRQ support" + depends on ARCH_BAST + default y + help + Say Y here to enable the PC104 IRQ routing on the + Simtec BAST (EB2410ITX) + +config ARCH_H1940 + bool "IPAQ H1940" + select PM_H1940 if PM + select S3C24XX_SETUP_TS + select S3C_DEV_NAND + select S3C_DEV_USB_HOST + help + Say Y here if you are using the HP IPAQ H1940 + +config H1940BT + tristate "Control the state of H1940 bluetooth chip" + depends on ARCH_H1940 + select RFKILL + help + This is a simple driver that is able to control + the state of built in bluetooth chip on h1940. + +config PM_H1940 + bool + help + Internal node for H1940 and related PM + +config MACH_N30 + bool "Acer N30 family" + select S3C_DEV_NAND + select S3C_DEV_USB_HOST + help + Say Y here if you want suppt for the Acer N30, Acer N35, + Navman PiN570, Yakumo AlphaX or Airis NC05 PDAs. + +config MACH_OTOM + bool "NexVision OTOM Board" + select S3C_DEV_NAND + select S3C_DEV_USB_HOST + help + Say Y here if you are using the Nex Vision OTOM board + +config MACH_QT2410 + bool "QT2410" + select S3C_DEV_NAND + select S3C_DEV_USB_HOST + help + Say Y here if you are using the Armzone QT2410 + +config ARCH_SMDK2410 + bool "SMDK2410/A9M2410" + select S3C24XX_SMDK + select S3C_DEV_USB_HOST + help + Say Y here if you are using the SMDK2410 or the derived module A9M2410 + <http://www.fsforth.de> + +config MACH_TCT_HAMMER + bool "TCT Hammer Board" + select S3C_DEV_USB_HOST + help + Say Y here if you are using the TinCanTools Hammer Board + <http://www.tincantools.com> + +config MACH_VR1000 + bool "Thorcom VR1000" + select MACH_BAST_IDE + select S3C2410_COMMON_DCLK + select S3C24XX_SIMTEC_NOR + select S3C24XX_SIMTEC_PM if PM + select S3C24XX_SIMTEC_USB + select S3C_DEV_USB_HOST + help + Say Y here if you are using the Thorcom VR1000 board. + +endif # CPU_S3C2410 + +config S3C2412_PM_SLEEP + bool + help + Internal config node to apply sleep for S3C2412 power management. + Can be selected by another SoCs such as S3C2416 with similar + sleep procedure. + +if CPU_S3C2412 + +config CPU_S3C2412_ONLY + bool + depends on !CPU_S3C2410 && !CPU_S3C2416 && !CPU_S3C2440 && \ + !CPU_S3C2442 && !CPU_S3C2443 + default y + +config S3C2412_DMA + bool + help + Internal config node for S3C2412 DMA support + +config S3C2412_PM + bool + select S3C2412_PM_SLEEP + select SAMSUNG_WAKEMASK + help + Internal config node to apply S3C2412 power management + +comment "S3C2412 Boards" + +# +# The "S3C2412 Boards" list is ordered alphabetically by option text. +# (without ARCH_ or MACH_) +# + +config MACH_JIVE + bool "Logitech Jive" + select S3C_DEV_NAND + select S3C_DEV_USB_HOST + help + Say Y here if you are using the Logitech Jive. + +config MACH_JIVE_SHOW_BOOTLOADER + bool "Allow access to bootloader partitions in MTD" + depends on MACH_JIVE + +config MACH_S3C2413 + bool + help + Internal node for S3C2413 version of SMDK2413, so that + machine_is_s3c2413() will work when MACH_SMDK2413 is + selected + +config MACH_SMDK2412 + bool "SMDK2412" + select MACH_SMDK2413 + help + Say Y here if you are using an SMDK2412 + + Note, this shares support with SMDK2413, so will automatically + select MACH_SMDK2413. + +config MACH_SMDK2413 + bool "SMDK2413" + select MACH_S3C2413 + select S3C24XX_SMDK + select S3C_DEV_NAND + select S3C_DEV_USB_HOST + help + Say Y here if you are using an SMDK2413 + +config MACH_VSTMS + bool "VMSTMS" + select S3C_DEV_NAND + select S3C_DEV_USB_HOST + help + Say Y here if you are using an VSTMS board + +endif # CPU_S3C2412 + +if CPU_S3C2416 + +config S3C2416_PM + bool + select S3C2412_PM_SLEEP + help + Internal config node to apply S3C2416 power management + +config S3C2416_SETUP_SDHCI + bool + select S3C2416_SETUP_SDHCI_GPIO + help + Internal helper functions for S3C2416 based SDHCI systems + +config S3C2416_SETUP_SDHCI_GPIO + bool + help + Common setup code for SDHCI gpio. + +comment "S3C2416 Boards" + +config MACH_SMDK2416 + bool "SMDK2416" + select S3C2416_SETUP_SDHCI + select S3C24XX_SMDK + select S3C_DEV_FB + select S3C_DEV_HSMMC + select S3C_DEV_HSMMC1 + select S3C_DEV_NAND + select S3C_DEV_USB_HOST + help + Say Y here if you are using an SMDK2416 + +config MACH_S3C2416_DT + bool "Samsung S3C2416 machine using devicetree" + select CLKSRC_OF + select USE_OF + select PINCTRL + select PINCTRL_S3C24XX + help + Machine support for Samsung S3C2416 machines with device tree enabled. + Select this if a fdt blob is available for the S3C2416 SoC based board. + Note: This is under development and not all peripherals can be supported + with this machine file. + +endif # CPU_S3C2416 + +if CPU_S3C2440 + +config S3C2440_DMA + bool + help + Support for S3C2440 specific DMA code5A + +config S3C2440_XTAL_12000000 + bool + help + Indicate that the build needs to support 12MHz system + crystal. + +config S3C2440_XTAL_16934400 + bool + help + Indicate that the build needs to support 16.9344MHz system + crystal. + +config S3C2440_PLL_12000000 + bool + depends on ARM_S3C2440_CPUFREQ && S3C2440_XTAL_12000000 + default y if S3C24XX_PLL + help + PLL tables for S3C2440 or S3C2442 CPUs with 12MHz crystals. + +config S3C2440_PLL_16934400 + bool + depends on ARM_S3C2440_CPUFREQ && S3C2440_XTAL_16934400 + default y if S3C24XX_PLL + help + PLL tables for S3C2440 or S3C2442 CPUs with 16.934MHz crystals. + +comment "S3C2440 Boards" + +# +# The "S3C2440 Boards" list is ordered alphabetically by option text. +# (without ARCH_ or MACH_) +# + +config MACH_ANUBIS + bool "Simtec Electronics ANUBIS" + select HAVE_PATA_PLATFORM + select S3C2410_COMMON_DCLK + select S3C2440_XTAL_12000000 + select S3C24XX_SIMTEC_PM if PM + select S3C_DEV_USB_HOST + help + Say Y here if you are using the Simtec Electronics ANUBIS + development system + +config MACH_AT2440EVB + bool "Avantech AT2440EVB development board" + select S3C_DEV_NAND + select S3C_DEV_USB_HOST + help + Say Y here if you are using the AT2440EVB development board + +config MACH_MINI2440 + bool "MINI2440 development board" + select EEPROM_AT24 if I2C + select LEDS_CLASS + select LEDS_TRIGGERS + select LEDS_TRIGGER_BACKLIGHT + select NEW_LEDS + select S3C_DEV_NAND + select S3C_DEV_USB_HOST + select S3C_SETUP_CAMIF + help + Say Y here to select support for the MINI2440. Is a 10cm x 10cm board + available via various sources. It can come with a 3.5" or 7" touch LCD. + +config MACH_NEXCODER_2440 + bool "NexVision NEXCODER 2440 Light Board" + select S3C2440_XTAL_12000000 + select S3C_DEV_NAND + select S3C_DEV_USB_HOST + help + Say Y here if you are using the Nex Vision NEXCODER 2440 Light Board + +config MACH_OSIRIS + bool "Simtec IM2440D20 (OSIRIS) module" + select S3C2410_COMMON_DCLK + select S3C2410_IOTIMING if ARM_S3C2440_CPUFREQ + select S3C2440_XTAL_12000000 + select S3C24XX_SIMTEC_PM if PM + select S3C_DEV_NAND + select S3C_DEV_USB_HOST + help + Say Y here if you are using the Simtec IM2440D20 module, also + known as the Osiris. + +config MACH_OSIRIS_DVS + tristate "Simtec IM2440D20 (OSIRIS) Dynamic Voltage Scaling driver" + depends on MACH_OSIRIS + depends on TPS65010 + help + Say Y/M here if you want to have dynamic voltage scaling support + on the Simtec IM2440D20 (OSIRIS) module via the TPS65011. + + The DVS driver alters the voltage supplied to the ARM core + depending on the frequency it is running at. The driver itself + does not do any of the frequency alteration, which is left up + to the cpufreq driver. + +config MACH_RX3715 + bool "HP iPAQ rx3715" + select PM_H1940 if PM + select S3C2440_XTAL_16934400 + select S3C_DEV_NAND + help + Say Y here if you are using the HP iPAQ rx3715. + +config ARCH_S3C2440 + bool "SMDK2440" + select S3C2440_XTAL_16934400 + select S3C24XX_SMDK + select S3C_DEV_NAND + select S3C_DEV_USB_HOST + help + Say Y here if you are using the SMDK2440. + +config SMDK2440_CPU2440 + bool "SMDK2440 with S3C2440 CPU module" + default y if ARCH_S3C2440 + select S3C2440_XTAL_16934400 + +endif # CPU_S3C2440 + +if CPU_S3C2442 + +comment "S3C2442 Boards" + +# +# The "S3C2442 Boards" list is ordered alphabetically by option text. +# (without ARCH_ or MACH_) +# + +config MACH_NEO1973_GTA02 + bool "Openmoko GTA02 / Freerunner phone" + select I2C + select MFD_PCF50633 + select PCF50633_GPIO + select POWER_SUPPLY + select S3C24XX_PWM + select S3C_DEV_USB_HOST + help + Say Y here if you are using the Openmoko GTA02 / Freerunner GSM Phone + +config MACH_RX1950 + bool "HP iPAQ rx1950" + select I2C + select PM_H1940 if PM + select S3C2410_COMMON_DCLK + select S3C2410_IOTIMING if ARM_S3C2440_CPUFREQ + select S3C2440_XTAL_16934400 + select S3C24XX_PWM + select S3C_DEV_NAND + help + Say Y here if you're using HP iPAQ rx1950 + +endif # CPU_S3C2442 + +if CPU_S3C2443 || CPU_S3C2416 + +config S3C2443_DMA + bool + help + Internal config node for S3C2443 DMA support + +config S3C2443_SETUP_SPI + bool + help + Common setup code for SPI GPIO configurations + +endif # CPU_S3C2443 || CPU_S3C2416 + +if CPU_S3C2443 + +comment "S3C2443 Boards" + +config MACH_SMDK2443 + bool "SMDK2443" + select S3C24XX_SMDK + select S3C_DEV_HSMMC1 + help + Say Y here if you are using an SMDK2443 + +endif # CPU_S3C2443 + +endmenu # SAMSUNG S3C24XX SoCs Support + +endif # ARCH_S3C24XX diff --git a/arch/arm/mach-s3c24xx/Makefile b/arch/arm/mach-s3c24xx/Makefile new file mode 100644 index 00000000000..2235d0d3b38 --- /dev/null +++ b/arch/arm/mach-s3c24xx/Makefile @@ -0,0 +1,112 @@ +# arch/arm/mach-s3c24xx/Makefile +# +# Copyright (c) 2012 Samsung Electronics Co., Ltd. +# http://www.samsung.com/ +# +# Copyright 2007 Simtec Electronics +# +# Licensed under GPLv2 + +obj-y := +obj-m := +obj-n := +obj- := + +# core + +obj-y += common.o + +obj-$(CONFIG_CPU_S3C2410) += s3c2410.o +obj-$(CONFIG_S3C2410_DMA) += dma-s3c2410.o +obj-$(CONFIG_S3C2410_PLL) += pll-s3c2410.o +obj-$(CONFIG_S3C2410_PM) += pm-s3c2410.o sleep-s3c2410.o + +obj-$(CONFIG_CPU_S3C2412) += s3c2412.o +obj-$(CONFIG_S3C2412_DMA) += dma-s3c2412.o +obj-$(CONFIG_S3C2412_PM) += pm-s3c2412.o +obj-$(CONFIG_S3C2412_PM_SLEEP) += sleep-s3c2412.o + +obj-$(CONFIG_CPU_S3C2416) += s3c2416.o +obj-$(CONFIG_S3C2416_PM) += pm-s3c2416.o + +obj-$(CONFIG_CPU_S3C2440) += s3c2440.o +obj-$(CONFIG_CPU_S3C2442) += s3c2442.o +obj-$(CONFIG_CPU_S3C244X) += s3c244x.o +obj-$(CONFIG_S3C2440_DMA) += dma-s3c2440.o +obj-$(CONFIG_S3C2440_PLL_12000000) += pll-s3c2440-12000000.o +obj-$(CONFIG_S3C2440_PLL_16934400) += pll-s3c2440-16934400.o + +obj-$(CONFIG_CPU_S3C2443) += s3c2443.o + +# PM + +obj-$(CONFIG_PM) += pm.o irq-pm.o sleep.o + +# common code + +obj-$(CONFIG_S3C24XX_DMA) += dma.o + +obj-$(CONFIG_S3C2410_CPUFREQ_UTILS) += cpufreq-utils.o + +obj-$(CONFIG_S3C2410_IOTIMING) += iotiming-s3c2410.o +obj-$(CONFIG_S3C2412_IOTIMING) += iotiming-s3c2412.o + +obj-$(CONFIG_S3C2443_DMA) += dma-s3c2443.o + +# +# machine support +# following is ordered alphabetically by option text. +# + +obj-$(CONFIG_MACH_AML_M5900) += mach-amlm5900.o +obj-$(CONFIG_ARCH_BAST) += mach-bast.o +obj-$(CONFIG_BAST_PC104_IRQ) += bast-irq.o +obj-$(CONFIG_ARCH_H1940) += mach-h1940.o +obj-$(CONFIG_H1940BT) += h1940-bluetooth.o +obj-$(CONFIG_PM_H1940) += pm-h1940.o +obj-$(CONFIG_MACH_N30) += mach-n30.o +obj-$(CONFIG_MACH_OTOM) += mach-otom.o +obj-$(CONFIG_MACH_QT2410) += mach-qt2410.o +obj-$(CONFIG_ARCH_SMDK2410) += mach-smdk2410.o +obj-$(CONFIG_MACH_TCT_HAMMER) += mach-tct_hammer.o +obj-$(CONFIG_MACH_VR1000) += mach-vr1000.o + +obj-$(CONFIG_MACH_JIVE) += mach-jive.o +obj-$(CONFIG_MACH_SMDK2413) += mach-smdk2413.o +obj-$(CONFIG_MACH_VSTMS) += mach-vstms.o + +obj-$(CONFIG_MACH_SMDK2416) += mach-smdk2416.o +obj-$(CONFIG_MACH_S3C2416_DT) += mach-s3c2416-dt.o + +obj-$(CONFIG_MACH_ANUBIS) += mach-anubis.o +obj-$(CONFIG_MACH_AT2440EVB) += mach-at2440evb.o +obj-$(CONFIG_MACH_MINI2440) += mach-mini2440.o +obj-$(CONFIG_MACH_NEXCODER_2440) += mach-nexcoder.o +obj-$(CONFIG_MACH_OSIRIS) += mach-osiris.o +obj-$(CONFIG_MACH_RX3715) += mach-rx3715.o +obj-$(CONFIG_ARCH_S3C2440) += mach-smdk2440.o + +obj-$(CONFIG_MACH_NEO1973_GTA02) += mach-gta02.o +obj-$(CONFIG_MACH_RX1950) += mach-rx1950.o + +obj-$(CONFIG_MACH_SMDK2443) += mach-smdk2443.o + +# common bits of machine support + +obj-$(CONFIG_S3C24XX_SMDK) += common-smdk.o +obj-$(CONFIG_S3C24XX_SIMTEC_AUDIO) += simtec-audio.o +obj-$(CONFIG_S3C24XX_SIMTEC_NOR) += simtec-nor.o +obj-$(CONFIG_S3C24XX_SIMTEC_PM) += simtec-pm.o +obj-$(CONFIG_S3C24XX_SIMTEC_USB) += simtec-usb.o + +# machine additions + +obj-$(CONFIG_MACH_BAST_IDE) += bast-ide.o +obj-$(CONFIG_MACH_OSIRIS_DVS) += mach-osiris-dvs.o + +# device setup + +obj-$(CONFIG_S3C2416_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o +obj-$(CONFIG_S3C2443_SETUP_SPI) += setup-spi.o +obj-$(CONFIG_ARCH_S3C24XX) += setup-i2c.o +obj-$(CONFIG_S3C24XX_SETUP_TS) += setup-ts.o diff --git a/arch/arm/mach-s3c24xx/Makefile.boot b/arch/arm/mach-s3c24xx/Makefile.boot new file mode 100644 index 00000000000..4457605ba04 --- /dev/null +++ b/arch/arm/mach-s3c24xx/Makefile.boot @@ -0,0 +1,7 @@ +ifeq ($(CONFIG_PM_H1940),y) + zreladdr-y += 0x30108000 + params_phys-y := 0x30100100 +else + zreladdr-y += 0x30008000 + params_phys-y := 0x30000100 +endif diff --git a/arch/arm/mach-s3c24xx/anubis.h b/arch/arm/mach-s3c24xx/anubis.h new file mode 100644 index 00000000000..2691665f27d --- /dev/null +++ b/arch/arm/mach-s3c24xx/anubis.h @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2005 Simtec Electronics + * http://www.simtec.co.uk/products/ + * Ben Dooks <ben@simtec.co.uk> + * + * ANUBIS - CPLD control constants + * ANUBIS - IRQ Number definitions + * ANUBIS - Memory map definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __MACH_S3C24XX_ANUBIS_H +#define __MACH_S3C24XX_ANUBIS_H __FILE__ + +/* CTRL2 - NAND WP control, IDE Reset assert/check */ + +#define ANUBIS_CTRL1_NANDSEL (0x3) + +/* IDREG - revision */ + +#define ANUBIS_IDREG_REVMASK (0x7) + +/* irq */ + +#define ANUBIS_IRQ_IDE0 IRQ_EINT2 +#define ANUBIS_IRQ_IDE1 IRQ_EINT3 +#define ANUBIS_IRQ_ASIX IRQ_EINT1 + +/* map */ + +/* start peripherals off after the S3C2410 */ + +#define ANUBIS_IOADDR(x) (S3C2410_ADDR((x) + 0x01800000)) + +#define ANUBIS_PA_CPLD (S3C2410_CS1 | (1<<26)) + +/* we put the CPLD registers next, to get them out of the way */ + +#define ANUBIS_VA_CTRL1 ANUBIS_IOADDR(0x00000000) +#define ANUBIS_PA_CTRL1 ANUBIS_PA_CPLD + +#define ANUBIS_VA_IDREG ANUBIS_IOADDR(0x00300000) +#define ANUBIS_PA_IDREG (ANUBIS_PA_CPLD + (3 << 23)) + +#define ANUBIS_IDEPRI ANUBIS_IOADDR(0x01000000) +#define ANUBIS_IDEPRIAUX ANUBIS_IOADDR(0x01100000) +#define ANUBIS_IDESEC ANUBIS_IOADDR(0x01200000) +#define ANUBIS_IDESECAUX ANUBIS_IOADDR(0x01300000) + +#endif /* __MACH_S3C24XX_ANUBIS_H */ diff --git a/arch/arm/mach-s3c24xx/bast-ide.c b/arch/arm/mach-s3c24xx/bast-ide.c new file mode 100644 index 00000000000..3f0288f2f54 --- /dev/null +++ b/arch/arm/mach-s3c24xx/bast-ide.c @@ -0,0 +1,86 @@ +/* linux/arch/arm/mach-s3c2410/bast-ide.c + * + * Copyright 2007 Simtec Electronics + * http://www.simtec.co.uk/products/EB2410ITX/ + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/init.h> +#include <linux/interrupt.h> + +#include <linux/platform_device.h> +#include <linux/ata_platform.h> + +#include <asm/mach-types.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/map.h> + +#include "bast.h" + +/* IDE ports */ + +static struct pata_platform_info bast_ide_platdata = { + .ioport_shift = 5, +}; + +static struct resource bast_ide0_resource[] = { + [0] = DEFINE_RES_MEM(BAST_IDE_CS + BAST_PA_IDEPRI, 8 * 0x20), + [1] = DEFINE_RES_MEM(BAST_IDE_CS + BAST_PA_IDEPRIAUX + (6 * 0x20), 0x20), + [2] = DEFINE_RES_IRQ(BAST_IRQ_IDE0), +}; + +static struct platform_device bast_device_ide0 = { + .name = "pata_platform", + .id = 0, + .num_resources = ARRAY_SIZE(bast_ide0_resource), + .resource = bast_ide0_resource, + .dev = { + .platform_data = &bast_ide_platdata, + .coherent_dma_mask = ~0, + } + +}; + +static struct resource bast_ide1_resource[] = { + [0] = DEFINE_RES_MEM(BAST_IDE_CS + BAST_PA_IDESEC, 8 * 0x20), + [1] = DEFINE_RES_MEM(BAST_IDE_CS + BAST_PA_IDESECAUX + (6 * 0x20), 0x20), + [2] = DEFINE_RES_IRQ(BAST_IRQ_IDE1), +}; + +static struct platform_device bast_device_ide1 = { + .name = "pata_platform", + .id = 1, + .num_resources = ARRAY_SIZE(bast_ide1_resource), + .resource = bast_ide1_resource, + .dev = { + .platform_data = &bast_ide_platdata, + .coherent_dma_mask = ~0, + } +}; + +static struct platform_device *bast_ide_devices[] __initdata = { + &bast_device_ide0, + &bast_device_ide1, +}; + +static __init int bast_ide_init(void) +{ + if (machine_is_bast() || machine_is_vr1000()) + return platform_add_devices(bast_ide_devices, + ARRAY_SIZE(bast_ide_devices)); + + return 0; +} + +fs_initcall(bast_ide_init); diff --git a/arch/arm/mach-s3c24xx/bast-irq.c b/arch/arm/mach-s3c24xx/bast-irq.c new file mode 100644 index 00000000000..cb1b791954d --- /dev/null +++ b/arch/arm/mach-s3c24xx/bast-irq.c @@ -0,0 +1,157 @@ +/* linux/arch/arm/mach-s3c2410/bast-irq.c + * + * Copyright 2003-2005 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * http://www.simtec.co.uk/products/EB2410ITX/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/ioport.h> +#include <linux/device.h> +#include <linux/io.h> + +#include <asm/irq.h> +#include <asm/mach-types.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <mach/regs-irq.h> + +#include "bast.h" + +#define irqdbf(x...) +#define irqdbf2(x...) + +/* handle PC104 ISA interrupts from the system CPLD */ + +/* table of ISA irq nos to the relevant mask... zero means + * the irq is not implemented +*/ +static unsigned char bast_pc104_irqmasks[] = { + 0, /* 0 */ + 0, /* 1 */ + 0, /* 2 */ + 1, /* 3 */ + 0, /* 4 */ + 2, /* 5 */ + 0, /* 6 */ + 4, /* 7 */ + 0, /* 8 */ + 0, /* 9 */ + 8, /* 10 */ + 0, /* 11 */ + 0, /* 12 */ + 0, /* 13 */ + 0, /* 14 */ + 0, /* 15 */ +}; + +static unsigned char bast_pc104_irqs[] = { 3, 5, 7, 10 }; + +static void +bast_pc104_mask(struct irq_data *data) +{ + unsigned long temp; + + temp = __raw_readb(BAST_VA_PC104_IRQMASK); + temp &= ~bast_pc104_irqmasks[data->irq]; + __raw_writeb(temp, BAST_VA_PC104_IRQMASK); +} + +static void +bast_pc104_maskack(struct irq_data *data) +{ + struct irq_desc *desc = irq_desc + BAST_IRQ_ISA; + + bast_pc104_mask(data); + desc->irq_data.chip->irq_ack(&desc->irq_data); +} + +static void +bast_pc104_unmask(struct irq_data *data) +{ + unsigned long temp; + + temp = __raw_readb(BAST_VA_PC104_IRQMASK); + temp |= bast_pc104_irqmasks[data->irq]; + __raw_writeb(temp, BAST_VA_PC104_IRQMASK); +} + +static struct irq_chip bast_pc104_chip = { + .irq_mask = bast_pc104_mask, + .irq_unmask = bast_pc104_unmask, + .irq_ack = bast_pc104_maskack +}; + +static void +bast_irq_pc104_demux(unsigned int irq, + struct irq_desc *desc) +{ + unsigned int stat; + unsigned int irqno; + int i; + + stat = __raw_readb(BAST_VA_PC104_IRQREQ) & 0xf; + + if (unlikely(stat == 0)) { + /* ack if we get an irq with nothing (ie, startup) */ + + desc = irq_desc + BAST_IRQ_ISA; + desc->irq_data.chip->irq_ack(&desc->irq_data); + } else { + /* handle the IRQ */ + + for (i = 0; stat != 0; i++, stat >>= 1) { + if (stat & 1) { + irqno = bast_pc104_irqs[i]; + generic_handle_irq(irqno); + } + } + } +} + +static __init int bast_irq_init(void) +{ + unsigned int i; + + if (machine_is_bast()) { + printk(KERN_INFO "BAST PC104 IRQ routing, Copyright 2005 Simtec Electronics\n"); + + /* zap all the IRQs */ + + __raw_writeb(0x0, BAST_VA_PC104_IRQMASK); + + irq_set_chained_handler(BAST_IRQ_ISA, bast_irq_pc104_demux); + + /* register our IRQs */ + + for (i = 0; i < 4; i++) { + unsigned int irqno = bast_pc104_irqs[i]; + + irq_set_chip_and_handler(irqno, &bast_pc104_chip, + handle_level_irq); + set_irq_flags(irqno, IRQF_VALID); + } + } + + return 0; +} + +arch_initcall(bast_irq_init); diff --git a/arch/arm/mach-s3c24xx/bast.h b/arch/arm/mach-s3c24xx/bast.h new file mode 100644 index 00000000000..5c7534bae92 --- /dev/null +++ b/arch/arm/mach-s3c24xx/bast.h @@ -0,0 +1,197 @@ +/* + * Copyright (c) 2003-2004 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * BAST - CPLD control constants + * BAST - IRQ Number definitions + * BAST - Memory map definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __MACH_S3C24XX_BAST_H +#define __MACH_S3C24XX_BAST_H __FILE__ + +/* CTRL1 - Audio LR routing */ + +#define BAST_CPLD_CTRL1_LRCOFF (0x00) +#define BAST_CPLD_CTRL1_LRCADC (0x01) +#define BAST_CPLD_CTRL1_LRCDAC (0x02) +#define BAST_CPLD_CTRL1_LRCARM (0x03) +#define BAST_CPLD_CTRL1_LRMASK (0x03) + +/* CTRL2 - NAND WP control, IDE Reset assert/check */ + +#define BAST_CPLD_CTRL2_WNAND (0x04) +#define BAST_CPLD_CTLR2_IDERST (0x08) + +/* CTRL3 - rom write control, CPLD identity */ + +#define BAST_CPLD_CTRL3_IDMASK (0x0e) +#define BAST_CPLD_CTRL3_ROMWEN (0x01) + +/* CTRL4 - 8bit LCD interface control/status */ + +#define BAST_CPLD_CTRL4_LLAT (0x01) +#define BAST_CPLD_CTRL4_LCDRW (0x02) +#define BAST_CPLD_CTRL4_LCDCMD (0x04) +#define BAST_CPLD_CTRL4_LCDE2 (0x01) + +/* CTRL5 - DMA routing */ + +#define BAST_CPLD_DMA0_PRIIDE (0) +#define BAST_CPLD_DMA0_SECIDE (1) +#define BAST_CPLD_DMA0_ISA15 (2) +#define BAST_CPLD_DMA0_ISA36 (3) + +#define BAST_CPLD_DMA1_PRIIDE (0 << 2) +#define BAST_CPLD_DMA1_SECIDE (1 << 2) +#define BAST_CPLD_DMA1_ISA15 (2 << 2) +#define BAST_CPLD_DMA1_ISA36 (3 << 2) + +/* irq numbers to onboard peripherals */ + +#define BAST_IRQ_USBOC IRQ_EINT18 +#define BAST_IRQ_IDE0 IRQ_EINT16 +#define BAST_IRQ_IDE1 IRQ_EINT17 +#define BAST_IRQ_PCSERIAL1 IRQ_EINT15 +#define BAST_IRQ_PCSERIAL2 IRQ_EINT14 +#define BAST_IRQ_PCPARALLEL IRQ_EINT13 +#define BAST_IRQ_ASIX IRQ_EINT11 +#define BAST_IRQ_DM9000 IRQ_EINT10 +#define BAST_IRQ_ISA IRQ_EINT9 +#define BAST_IRQ_SMALERT IRQ_EINT8 + +/* map */ + +/* + * ok, we've used up to 0x13000000, now we need to find space for the + * peripherals that live in the nGCS[x] areas, which are quite numerous + * in their space. We also have the board's CPLD to find register space + * for. + */ + +#define BAST_IOADDR(x) (S3C2410_ADDR((x) + 0x01300000)) + +/* we put the CPLD registers next, to get them out of the way */ + +#define BAST_VA_CTRL1 BAST_IOADDR(0x00000000) +#define BAST_PA_CTRL1 (S3C2410_CS5 | 0x7800000) + +#define BAST_VA_CTRL2 BAST_IOADDR(0x00100000) +#define BAST_PA_CTRL2 (S3C2410_CS1 | 0x6000000) + +#define BAST_VA_CTRL3 BAST_IOADDR(0x00200000) +#define BAST_PA_CTRL3 (S3C2410_CS1 | 0x6800000) + +#define BAST_VA_CTRL4 BAST_IOADDR(0x00300000) +#define BAST_PA_CTRL4 (S3C2410_CS1 | 0x7000000) + +/* next, we have the PC104 ISA interrupt registers */ + +#define BAST_PA_PC104_IRQREQ (S3C2410_CS5 | 0x6000000) +#define BAST_VA_PC104_IRQREQ BAST_IOADDR(0x00400000) + +#define BAST_PA_PC104_IRQRAW (S3C2410_CS5 | 0x6800000) +#define BAST_VA_PC104_IRQRAW BAST_IOADDR(0x00500000) + +#define BAST_PA_PC104_IRQMASK (S3C2410_CS5 | 0x7000000) +#define BAST_VA_PC104_IRQMASK BAST_IOADDR(0x00600000) + +#define BAST_PA_LCD_RCMD1 (0x8800000) +#define BAST_VA_LCD_RCMD1 BAST_IOADDR(0x00700000) + +#define BAST_PA_LCD_WCMD1 (0x8000000) +#define BAST_VA_LCD_WCMD1 BAST_IOADDR(0x00800000) + +#define BAST_PA_LCD_RDATA1 (0x9800000) +#define BAST_VA_LCD_RDATA1 BAST_IOADDR(0x00900000) + +#define BAST_PA_LCD_WDATA1 (0x9000000) +#define BAST_VA_LCD_WDATA1 BAST_IOADDR(0x00A00000) + +#define BAST_PA_LCD_RCMD2 (0xA800000) +#define BAST_VA_LCD_RCMD2 BAST_IOADDR(0x00B00000) + +#define BAST_PA_LCD_WCMD2 (0xA000000) +#define BAST_VA_LCD_WCMD2 BAST_IOADDR(0x00C00000) + +#define BAST_PA_LCD_RDATA2 (0xB800000) +#define BAST_VA_LCD_RDATA2 BAST_IOADDR(0x00D00000) + +#define BAST_PA_LCD_WDATA2 (0xB000000) +#define BAST_VA_LCD_WDATA2 BAST_IOADDR(0x00E00000) + + +/* + * 0xE0000000 contains the IO space that is split by speed and + * whether the access is for 8 or 16bit IO... this ensures that + * the correct access is made + * + * 0x10000000 of space, partitioned as so: + * + * 0x00000000 to 0x04000000 8bit, slow + * 0x04000000 to 0x08000000 16bit, slow + * 0x08000000 to 0x0C000000 16bit, net + * 0x0C000000 to 0x10000000 16bit, fast + * + * each of these spaces has the following in: + * + * 0x00000000 to 0x01000000 16MB ISA IO space + * 0x01000000 to 0x02000000 16MB ISA memory space + * 0x02000000 to 0x02100000 1MB IDE primary channel + * 0x02100000 to 0x02200000 1MB IDE primary channel aux + * 0x02200000 to 0x02400000 1MB IDE secondary channel + * 0x02300000 to 0x02400000 1MB IDE secondary channel aux + * 0x02400000 to 0x02500000 1MB ASIX ethernet controller + * 0x02500000 to 0x02600000 1MB Davicom DM9000 ethernet controller + * 0x02600000 to 0x02700000 1MB PC SuperIO controller + * + * the phyiscal layout of the zones are: + * nGCS2 - 8bit, slow + * nGCS3 - 16bit, slow + * nGCS4 - 16bit, net + * nGCS5 - 16bit, fast + */ + +#define BAST_VA_MULTISPACE (0xE0000000) + +#define BAST_VA_ISAIO (BAST_VA_MULTISPACE + 0x00000000) +#define BAST_VA_ISAMEM (BAST_VA_MULTISPACE + 0x01000000) +#define BAST_VA_IDEPRI (BAST_VA_MULTISPACE + 0x02000000) +#define BAST_VA_IDEPRIAUX (BAST_VA_MULTISPACE + 0x02100000) +#define BAST_VA_IDESEC (BAST_VA_MULTISPACE + 0x02200000) +#define BAST_VA_IDESECAUX (BAST_VA_MULTISPACE + 0x02300000) +#define BAST_VA_ASIXNET (BAST_VA_MULTISPACE + 0x02400000) +#define BAST_VA_DM9000 (BAST_VA_MULTISPACE + 0x02500000) +#define BAST_VA_SUPERIO (BAST_VA_MULTISPACE + 0x02600000) + +#define BAST_VAM_CS2 (0x00000000) +#define BAST_VAM_CS3 (0x04000000) +#define BAST_VAM_CS4 (0x08000000) +#define BAST_VAM_CS5 (0x0C000000) + +/* physical offset addresses for the peripherals */ + +#define BAST_PA_ISAIO (0x00000000) +#define BAST_PA_ASIXNET (0x01000000) +#define BAST_PA_SUPERIO (0x01800000) +#define BAST_PA_IDEPRI (0x02000000) +#define BAST_PA_IDEPRIAUX (0x02800000) +#define BAST_PA_IDESEC (0x03000000) +#define BAST_PA_IDESECAUX (0x03800000) +#define BAST_PA_ISAMEM (0x04000000) +#define BAST_PA_DM9000 (0x05000000) + +/* some configurations for the peripherals */ + +#define BAST_PCSIO (BAST_VA_SUPERIO + BAST_VAM_CS2) + +#define BAST_ASIXNET_CS BAST_VAM_CS5 +#define BAST_DM9000_CS BAST_VAM_CS4 + +#define BAST_IDE_CS S3C2410_CS5 + +#endif /* __MACH_S3C24XX_BAST_H */ diff --git a/arch/arm/mach-s3c24xx/common-smdk.c b/arch/arm/mach-s3c24xx/common-smdk.c new file mode 100644 index 00000000000..e9fbcc91c5c --- /dev/null +++ b/arch/arm/mach-s3c24xx/common-smdk.c @@ -0,0 +1,210 @@ +/* linux/arch/arm/plat-s3c24xx/common-smdk.c + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Common code for SMDK2410 and SMDK2440 boards + * + * http://www.fluff.org/ben/smdk2440/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/device.h> +#include <linux/platform_device.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/nand_ecc.h> +#include <linux/mtd/partitions.h> +#include <linux/io.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/mach-types.h> +#include <mach/hardware.h> +#include <asm/irq.h> + +#include <mach/regs-gpio.h> +#include <mach/gpio-samsung.h> +#include <linux/platform_data/leds-s3c24xx.h> +#include <linux/platform_data/mtd-nand-s3c2410.h> + +#include <plat/gpio-cfg.h> +#include <plat/devs.h> +#include <plat/pm.h> + +#include "common-smdk.h" + +/* LED devices */ + +static struct s3c24xx_led_platdata smdk_pdata_led4 = { + .gpio = S3C2410_GPF(4), + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, + .name = "led4", + .def_trigger = "timer", +}; + +static struct s3c24xx_led_platdata smdk_pdata_led5 = { + .gpio = S3C2410_GPF(5), + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, + .name = "led5", + .def_trigger = "nand-disk", +}; + +static struct s3c24xx_led_platdata smdk_pdata_led6 = { + .gpio = S3C2410_GPF(6), + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, + .name = "led6", +}; + +static struct s3c24xx_led_platdata smdk_pdata_led7 = { + .gpio = S3C2410_GPF(7), + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, + .name = "led7", +}; + +static struct platform_device smdk_led4 = { + .name = "s3c24xx_led", + .id = 0, + .dev = { + .platform_data = &smdk_pdata_led4, + }, +}; + +static struct platform_device smdk_led5 = { + .name = "s3c24xx_led", + .id = 1, + .dev = { + .platform_data = &smdk_pdata_led5, + }, +}; + +static struct platform_device smdk_led6 = { + .name = "s3c24xx_led", + .id = 2, + .dev = { + .platform_data = &smdk_pdata_led6, + }, +}; + +static struct platform_device smdk_led7 = { + .name = "s3c24xx_led", + .id = 3, + .dev = { + .platform_data = &smdk_pdata_led7, + }, +}; + +/* NAND parititon from 2.4.18-swl5 */ + +static struct mtd_partition smdk_default_nand_part[] = { + [0] = { + .name = "Boot Agent", + .size = SZ_16K, + .offset = 0, + }, + [1] = { + .name = "S3C2410 flash partition 1", + .offset = 0, + .size = SZ_2M, + }, + [2] = { + .name = "S3C2410 flash partition 2", + .offset = SZ_4M, + .size = SZ_4M, + }, + [3] = { + .name = "S3C2410 flash partition 3", + .offset = SZ_8M, + .size = SZ_2M, + }, + [4] = { + .name = "S3C2410 flash partition 4", + .offset = SZ_1M * 10, + .size = SZ_4M, + }, + [5] = { + .name = "S3C2410 flash partition 5", + .offset = SZ_1M * 14, + .size = SZ_1M * 10, + }, + [6] = { + .name = "S3C2410 flash partition 6", + .offset = SZ_1M * 24, + .size = SZ_1M * 24, + }, + [7] = { + .name = "S3C2410 flash partition 7", + .offset = SZ_1M * 48, + .size = MTDPART_SIZ_FULL, + } +}; + +static struct s3c2410_nand_set smdk_nand_sets[] = { + [0] = { + .name = "NAND", + .nr_chips = 1, + .nr_partitions = ARRAY_SIZE(smdk_default_nand_part), + .partitions = smdk_default_nand_part, + }, +}; + +/* choose a set of timings which should suit most 512Mbit + * chips and beyond. +*/ + +static struct s3c2410_platform_nand smdk_nand_info = { + .tacls = 20, + .twrph0 = 60, + .twrph1 = 20, + .nr_sets = ARRAY_SIZE(smdk_nand_sets), + .sets = smdk_nand_sets, +}; + +/* devices we initialise */ + +static struct platform_device __initdata *smdk_devs[] = { + &s3c_device_nand, + &smdk_led4, + &smdk_led5, + &smdk_led6, + &smdk_led7, +}; + +static const struct gpio smdk_led_gpios[] = { + { S3C2410_GPF(4), GPIOF_OUT_INIT_HIGH, NULL }, + { S3C2410_GPF(5), GPIOF_OUT_INIT_HIGH, NULL }, + { S3C2410_GPF(6), GPIOF_OUT_INIT_HIGH, NULL }, + { S3C2410_GPF(7), GPIOF_OUT_INIT_HIGH, NULL }, +}; + +void __init smdk_machine_init(void) +{ + /* Configure the LEDs (even if we have no LED support)*/ + + int ret = gpio_request_array(smdk_led_gpios, + ARRAY_SIZE(smdk_led_gpios)); + if (!WARN_ON(ret < 0)) + gpio_free_array(smdk_led_gpios, ARRAY_SIZE(smdk_led_gpios)); + + if (machine_is_smdk2443()) + smdk_nand_info.twrph0 = 50; + + s3c_nand_set_platdata(&smdk_nand_info); + + platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs)); + + s3c_pm_init(); +} diff --git a/arch/arm/mach-s3c24xx/common-smdk.h b/arch/arm/mach-s3c24xx/common-smdk.h new file mode 100644 index 00000000000..98f733e1cb4 --- /dev/null +++ b/arch/arm/mach-s3c24xx/common-smdk.h @@ -0,0 +1,14 @@ +/* + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Common code for SMDK2410 and SMDK2440 boards + * + * http://www.fluff.org/ben/smdk2440/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +extern void smdk_machine_init(void); diff --git a/arch/arm/mach-s3c24xx/common.c b/arch/arm/mach-s3c24xx/common.c new file mode 100644 index 00000000000..c0763b83774 --- /dev/null +++ b/arch/arm/mach-s3c24xx/common.c @@ -0,0 +1,571 @@ +/* linux/arch/arm/plat-s3c24xx/cpu.c + * + * Copyright (c) 2004-2005 Simtec Electronics + * http://www.simtec.co.uk/products/SWLINUX/ + * Ben Dooks <ben@simtec.co.uk> + * + * Common code for S3C24XX machines + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <clocksource/samsung_pwm.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/platform_data/dma-s3c24xx.h> + +#include <mach/hardware.h> +#include <mach/regs-clock.h> +#include <asm/irq.h> +#include <asm/cacheflush.h> +#include <asm/system_info.h> +#include <asm/system_misc.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <mach/regs-gpio.h> +#include <mach/dma.h> + +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/clock.h> +#include <plat/cpu-freq.h> +#include <plat/pll.h> +#include <plat/pwm-core.h> +#include <plat/watchdog-reset.h> + +#include "common.h" + +/* table of supported CPUs */ + +static const char name_s3c2410[] = "S3C2410"; +static const char name_s3c2412[] = "S3C2412"; +static const char name_s3c2416[] = "S3C2416/S3C2450"; +static const char name_s3c2440[] = "S3C2440"; +static const char name_s3c2442[] = "S3C2442"; +static const char name_s3c2442b[] = "S3C2442B"; +static const char name_s3c2443[] = "S3C2443"; +static const char name_s3c2410a[] = "S3C2410A"; +static const char name_s3c2440a[] = "S3C2440A"; + +static struct cpu_table cpu_ids[] __initdata = { + { + .idcode = 0x32410000, + .idmask = 0xffffffff, + .map_io = s3c2410_map_io, + .init_uarts = s3c2410_init_uarts, + .init = s3c2410_init, + .name = name_s3c2410 + }, + { + .idcode = 0x32410002, + .idmask = 0xffffffff, + .map_io = s3c2410_map_io, + .init_uarts = s3c2410_init_uarts, + .init = s3c2410a_init, + .name = name_s3c2410a + }, + { + .idcode = 0x32440000, + .idmask = 0xffffffff, + .map_io = s3c2440_map_io, + .init_uarts = s3c244x_init_uarts, + .init = s3c2440_init, + .name = name_s3c2440 + }, + { + .idcode = 0x32440001, + .idmask = 0xffffffff, + .map_io = s3c2440_map_io, + .init_uarts = s3c244x_init_uarts, + .init = s3c2440_init, + .name = name_s3c2440a + }, + { + .idcode = 0x32440aaa, + .idmask = 0xffffffff, + .map_io = s3c2442_map_io, + .init_uarts = s3c244x_init_uarts, + .init = s3c2442_init, + .name = name_s3c2442 + }, + { + .idcode = 0x32440aab, + .idmask = 0xffffffff, + .map_io = s3c2442_map_io, + .init_uarts = s3c244x_init_uarts, + .init = s3c2442_init, + .name = name_s3c2442b + }, + { + .idcode = 0x32412001, + .idmask = 0xffffffff, + .map_io = s3c2412_map_io, + .init_uarts = s3c2412_init_uarts, + .init = s3c2412_init, + .name = name_s3c2412, + }, + { /* a newer version of the s3c2412 */ + .idcode = 0x32412003, + .idmask = 0xffffffff, + .map_io = s3c2412_map_io, + .init_uarts = s3c2412_init_uarts, + .init = s3c2412_init, + .name = name_s3c2412, + }, + { /* a strange version of the s3c2416 */ + .idcode = 0x32450003, + .idmask = 0xffffffff, + .map_io = s3c2416_map_io, + .init_uarts = s3c2416_init_uarts, + .init = s3c2416_init, + .name = name_s3c2416, + }, + { + .idcode = 0x32443001, + .idmask = 0xffffffff, + .map_io = s3c2443_map_io, + .init_uarts = s3c2443_init_uarts, + .init = s3c2443_init, + .name = name_s3c2443, + }, +}; + +/* minimal IO mapping */ + +static struct map_desc s3c_iodesc[] __initdata = { + IODESC_ENT(GPIO), + IODESC_ENT(IRQ), + IODESC_ENT(MEMCTRL), + IODESC_ENT(UART) +}; + +/* read cpu identificaiton code */ + +static unsigned long s3c24xx_read_idcode_v5(void) +{ +#if defined(CONFIG_CPU_S3C2416) + /* s3c2416 is v5, with S3C24XX_GSTATUS1 instead of S3C2412_GSTATUS1 */ + + u32 gs = __raw_readl(S3C24XX_GSTATUS1); + + /* test for s3c2416 or similar device */ + if ((gs >> 16) == 0x3245) + return gs; +#endif + +#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413) + return __raw_readl(S3C2412_GSTATUS1); +#else + return 1UL; /* don't look like an 2400 */ +#endif +} + +static unsigned long s3c24xx_read_idcode_v4(void) +{ + return __raw_readl(S3C2410_GSTATUS1); +} + +static void s3c24xx_default_idle(void) +{ + unsigned long tmp = 0; + int i; + + /* idle the system by using the idle mode which will wait for an + * interrupt to happen before restarting the system. + */ + + /* Warning: going into idle state upsets jtag scanning */ + + __raw_writel(__raw_readl(S3C2410_CLKCON) | S3C2410_CLKCON_IDLE, + S3C2410_CLKCON); + + /* the samsung port seems to do a loop and then unset idle.. */ + for (i = 0; i < 50; i++) + tmp += __raw_readl(S3C2410_CLKCON); /* ensure loop not optimised out */ + + /* this bit is not cleared on re-start... */ + + __raw_writel(__raw_readl(S3C2410_CLKCON) & ~S3C2410_CLKCON_IDLE, + S3C2410_CLKCON); +} + +static struct samsung_pwm_variant s3c24xx_pwm_variant = { + .bits = 16, + .div_base = 1, + .has_tint_cstat = false, + .tclk_mask = (1 << 4), +}; + +void __init s3c24xx_init_io(struct map_desc *mach_desc, int size) +{ + arm_pm_idle = s3c24xx_default_idle; + + /* initialise the io descriptors we need for initialisation */ + iotable_init(mach_desc, size); + iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc)); + + if (cpu_architecture() >= CPU_ARCH_ARMv5) { + samsung_cpu_id = s3c24xx_read_idcode_v5(); + } else { + samsung_cpu_id = s3c24xx_read_idcode_v4(); + } + + s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids)); + + samsung_pwm_set_platdata(&s3c24xx_pwm_variant); +} + +void __init samsung_set_timer_source(unsigned int event, unsigned int source) +{ + s3c24xx_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1; + s3c24xx_pwm_variant.output_mask &= ~(BIT(event) | BIT(source)); +} + +void __init samsung_timer_init(void) +{ + unsigned int timer_irqs[SAMSUNG_PWM_NUM] = { + IRQ_TIMER0, IRQ_TIMER1, IRQ_TIMER2, IRQ_TIMER3, IRQ_TIMER4, + }; + + samsung_pwm_clocksource_init(S3C_VA_TIMER, + timer_irqs, &s3c24xx_pwm_variant); +} + +/* Serial port registrations */ + +#define S3C2410_PA_UART0 (S3C24XX_PA_UART) +#define S3C2410_PA_UART1 (S3C24XX_PA_UART + 0x4000 ) +#define S3C2410_PA_UART2 (S3C24XX_PA_UART + 0x8000 ) +#define S3C2443_PA_UART3 (S3C24XX_PA_UART + 0xC000 ) + +static struct resource s3c2410_uart0_resource[] = { + [0] = DEFINE_RES_MEM(S3C2410_PA_UART0, SZ_16K), + [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX0, \ + IRQ_S3CUART_ERR0 - IRQ_S3CUART_RX0 + 1, \ + NULL, IORESOURCE_IRQ) +}; + +static struct resource s3c2410_uart1_resource[] = { + [0] = DEFINE_RES_MEM(S3C2410_PA_UART1, SZ_16K), + [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX1, \ + IRQ_S3CUART_ERR1 - IRQ_S3CUART_RX1 + 1, \ + NULL, IORESOURCE_IRQ) +}; + +static struct resource s3c2410_uart2_resource[] = { + [0] = DEFINE_RES_MEM(S3C2410_PA_UART2, SZ_16K), + [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX2, \ + IRQ_S3CUART_ERR2 - IRQ_S3CUART_RX2 + 1, \ + NULL, IORESOURCE_IRQ) +}; + +static struct resource s3c2410_uart3_resource[] = { + [0] = DEFINE_RES_MEM(S3C2443_PA_UART3, SZ_16K), + [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX3, \ + IRQ_S3CUART_ERR3 - IRQ_S3CUART_RX3 + 1, \ + NULL, IORESOURCE_IRQ) +}; + +struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = { + [0] = { + .resources = s3c2410_uart0_resource, + .nr_resources = ARRAY_SIZE(s3c2410_uart0_resource), + }, + [1] = { + .resources = s3c2410_uart1_resource, + .nr_resources = ARRAY_SIZE(s3c2410_uart1_resource), + }, + [2] = { + .resources = s3c2410_uart2_resource, + .nr_resources = ARRAY_SIZE(s3c2410_uart2_resource), + }, + [3] = { + .resources = s3c2410_uart3_resource, + .nr_resources = ARRAY_SIZE(s3c2410_uart3_resource), + }, +}; + +#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \ + defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442) +static struct resource s3c2410_dma_resource[] = { + [0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA), + [1] = DEFINE_RES_IRQ(IRQ_DMA0), + [2] = DEFINE_RES_IRQ(IRQ_DMA1), + [3] = DEFINE_RES_IRQ(IRQ_DMA2), + [4] = DEFINE_RES_IRQ(IRQ_DMA3), +}; +#endif + +#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2442) +static struct s3c24xx_dma_channel s3c2410_dma_channels[DMACH_MAX] = { + [DMACH_XD0] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 0), }, + [DMACH_XD1] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 1), }, + [DMACH_SDI] = { S3C24XX_DMA_APB, false, S3C24XX_DMA_CHANREQ(2, 0) | + S3C24XX_DMA_CHANREQ(2, 2) | + S3C24XX_DMA_CHANREQ(1, 3), + }, + [DMACH_SPI0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 1), }, + [DMACH_SPI1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 3), }, + [DMACH_UART0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 0), }, + [DMACH_UART1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 1), }, + [DMACH_UART2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 3), }, + [DMACH_TIMER] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 0) | + S3C24XX_DMA_CHANREQ(3, 2) | + S3C24XX_DMA_CHANREQ(3, 3), + }, + [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 1) | + S3C24XX_DMA_CHANREQ(1, 2), + }, + [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 2), }, + [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 0), }, + [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 1), }, + [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 2), }, + [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 3), }, +}; + +static struct s3c24xx_dma_platdata s3c2410_dma_platdata = { + .num_phy_channels = 4, + .channels = s3c2410_dma_channels, + .num_channels = DMACH_MAX, +}; + +struct platform_device s3c2410_device_dma = { + .name = "s3c2410-dma", + .id = 0, + .num_resources = ARRAY_SIZE(s3c2410_dma_resource), + .resource = s3c2410_dma_resource, + .dev = { + .platform_data = &s3c2410_dma_platdata, + }, +}; +#endif + +#ifdef CONFIG_CPU_S3C2412 +static struct s3c24xx_dma_channel s3c2412_dma_channels[DMACH_MAX] = { + [DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 }, + [DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 }, + [DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 }, + [DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 }, + [DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 }, + [DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 }, + [DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 }, + [DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 }, + [DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 }, + [DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 }, + [DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 }, + [DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 }, + [DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 }, + [DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 }, + [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 }, + [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 }, + [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, 13 }, + [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, 14 }, + [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, 15 }, + [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, 16 }, +}; + +static struct s3c24xx_dma_platdata s3c2412_dma_platdata = { + .num_phy_channels = 4, + .channels = s3c2412_dma_channels, + .num_channels = DMACH_MAX, +}; + +struct platform_device s3c2412_device_dma = { + .name = "s3c2412-dma", + .id = 0, + .num_resources = ARRAY_SIZE(s3c2410_dma_resource), + .resource = s3c2410_dma_resource, + .dev = { + .platform_data = &s3c2412_dma_platdata, + }, +}; +#endif + +#if defined(CONFIG_CPU_S3C2440) +static struct s3c24xx_dma_channel s3c2440_dma_channels[DMACH_MAX] = { + [DMACH_XD0] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 0), }, + [DMACH_XD1] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 1), }, + [DMACH_SDI] = { S3C24XX_DMA_APB, false, S3C24XX_DMA_CHANREQ(2, 0) | + S3C24XX_DMA_CHANREQ(6, 1) | + S3C24XX_DMA_CHANREQ(2, 2) | + S3C24XX_DMA_CHANREQ(1, 3), + }, + [DMACH_SPI0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 1), }, + [DMACH_SPI1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 3), }, + [DMACH_UART0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 0), }, + [DMACH_UART1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 1), }, + [DMACH_UART2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 3), }, + [DMACH_TIMER] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 0) | + S3C24XX_DMA_CHANREQ(3, 2) | + S3C24XX_DMA_CHANREQ(3, 3), + }, + [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 1) | + S3C24XX_DMA_CHANREQ(1, 2), + }, + [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(5, 0) | + S3C24XX_DMA_CHANREQ(0, 2), + }, + [DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(6, 0) | + S3C24XX_DMA_CHANREQ(5, 2), + }, + [DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(5, 1) | + S3C24XX_DMA_CHANREQ(6, 3), + }, + [DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(6, 2) | + S3C24XX_DMA_CHANREQ(5, 3), + }, + [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 0), }, + [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 1), }, + [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 2), }, + [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 3), }, +}; + +static struct s3c24xx_dma_platdata s3c2440_dma_platdata = { + .num_phy_channels = 4, + .channels = s3c2440_dma_channels, + .num_channels = DMACH_MAX, +}; + +struct platform_device s3c2440_device_dma = { + .name = "s3c2410-dma", + .id = 0, + .num_resources = ARRAY_SIZE(s3c2410_dma_resource), + .resource = s3c2410_dma_resource, + .dev = { + .platform_data = &s3c2440_dma_platdata, + }, +}; +#endif + +#if defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416) +static struct resource s3c2443_dma_resource[] = { + [0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA), + [1] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA0), + [2] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA1), + [3] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA2), + [4] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA3), + [5] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA4), + [6] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA5), +}; + +static struct s3c24xx_dma_channel s3c2443_dma_channels[DMACH_MAX] = { + [DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 }, + [DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 }, + [DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 }, + [DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 }, + [DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 }, + [DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 }, + [DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 }, + [DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 }, + [DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 }, + [DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 }, + [DMACH_UART3] = { S3C24XX_DMA_APB, true, 25 }, + [DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 }, + [DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 }, + [DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 }, + [DMACH_UART3_SRC2] = { S3C24XX_DMA_APB, true, 26 }, + [DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 }, + [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 }, + [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 }, + [DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, 28 }, + [DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, 27 }, + [DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, 29 }, +}; + +static struct s3c24xx_dma_platdata s3c2443_dma_platdata = { + .num_phy_channels = 6, + .channels = s3c2443_dma_channels, + .num_channels = DMACH_MAX, +}; + +struct platform_device s3c2443_device_dma = { + .name = "s3c2443-dma", + .id = 0, + .num_resources = ARRAY_SIZE(s3c2443_dma_resource), + .resource = s3c2443_dma_resource, + .dev = { + .platform_data = &s3c2443_dma_platdata, + }, +}; +#endif + +#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2410) +void __init s3c2410_init_clocks(int xtal) +{ + s3c2410_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR); + samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG); +} +#endif + +#ifdef CONFIG_CPU_S3C2412 +void __init s3c2412_init_clocks(int xtal) +{ + s3c2412_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR); +} +#endif + +#ifdef CONFIG_CPU_S3C2416 +void __init s3c2416_init_clocks(int xtal) +{ + s3c2443_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR); +} +#endif + +#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2440) +void __init s3c2440_init_clocks(int xtal) +{ + s3c2410_common_clk_init(NULL, xtal, 1, S3C24XX_VA_CLKPWR); + samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG); +} +#endif + +#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2442) +void __init s3c2442_init_clocks(int xtal) +{ + s3c2410_common_clk_init(NULL, xtal, 2, S3C24XX_VA_CLKPWR); + samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG); +} +#endif + +#ifdef CONFIG_CPU_S3C2443 +void __init s3c2443_init_clocks(int xtal) +{ + s3c2443_common_clk_init(NULL, xtal, 1, S3C24XX_VA_CLKPWR); +} +#endif + +#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2440) || \ + defined(CONFIG_CPU_S3C2442) +static struct resource s3c2410_dclk_resource[] = { + [0] = DEFINE_RES_MEM(0x56000084, 0x4), +}; + +struct platform_device s3c2410_device_dclk = { + .name = "s3c2410-dclk", + .id = 0, + .num_resources = ARRAY_SIZE(s3c2410_dclk_resource), + .resource = s3c2410_dclk_resource, +}; +#endif diff --git a/arch/arm/mach-s3c24xx/common.h b/arch/arm/mach-s3c24xx/common.h new file mode 100644 index 00000000000..ac3ff12a060 --- /dev/null +++ b/arch/arm/mach-s3c24xx/common.h @@ -0,0 +1,134 @@ +/* + * Copyright (c) 2012 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Common Header for S3C24XX SoCs + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ARCH_ARM_MACH_S3C24XX_COMMON_H +#define __ARCH_ARM_MACH_S3C24XX_COMMON_H __FILE__ + +#include <linux/reboot.h> + +struct s3c2410_uartcfg; + +#ifdef CONFIG_CPU_S3C2410 +extern int s3c2410_init(void); +extern int s3c2410a_init(void); +extern void s3c2410_map_io(void); +extern void s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no); +extern void s3c2410_init_clocks(int xtal); +extern void s3c2410_restart(enum reboot_mode mode, const char *cmd); +extern void s3c2410_init_irq(void); +#else +#define s3c2410_init_clocks NULL +#define s3c2410_init_uarts NULL +#define s3c2410_map_io NULL +#define s3c2410_init NULL +#define s3c2410a_init NULL +#endif + +#ifdef CONFIG_CPU_S3C2412 +extern int s3c2412_init(void); +extern void s3c2412_map_io(void); +extern void s3c2412_init_uarts(struct s3c2410_uartcfg *cfg, int no); +extern void s3c2412_init_clocks(int xtal); +extern int s3c2412_baseclk_add(void); +extern void s3c2412_restart(enum reboot_mode mode, const char *cmd); +extern void s3c2412_init_irq(void); +#else +#define s3c2412_init_clocks NULL +#define s3c2412_init_uarts NULL +#define s3c2412_map_io NULL +#define s3c2412_init NULL +#endif + +#ifdef CONFIG_CPU_S3C2416 +extern int s3c2416_init(void); +extern void s3c2416_map_io(void); +extern void s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no); +extern void s3c2416_init_clocks(int xtal); +extern int s3c2416_baseclk_add(void); +extern void s3c2416_restart(enum reboot_mode mode, const char *cmd); +extern void s3c2416_init_irq(void); + +extern struct syscore_ops s3c2416_irq_syscore_ops; +#else +#define s3c2416_init_clocks NULL +#define s3c2416_init_uarts NULL +#define s3c2416_map_io NULL +#define s3c2416_init NULL +#endif + +#if defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442) +extern void s3c244x_map_io(void); +extern void s3c244x_init_uarts(struct s3c2410_uartcfg *cfg, int no); +extern void s3c244x_restart(enum reboot_mode mode, const char *cmd); +#else +#define s3c244x_init_uarts NULL +#endif + +#ifdef CONFIG_CPU_S3C2440 +extern int s3c2440_init(void); +extern void s3c2440_map_io(void); +extern void s3c2440_init_clocks(int xtal); +extern void s3c2440_init_irq(void); +#else +#define s3c2440_init NULL +#define s3c2440_map_io NULL +#endif + +#ifdef CONFIG_CPU_S3C2442 +extern int s3c2442_init(void); +extern void s3c2442_map_io(void); +extern void s3c2442_init_clocks(int xtal); +extern void s3c2442_init_irq(void); +#else +#define s3c2442_init NULL +#define s3c2442_map_io NULL +#endif + +#ifdef CONFIG_CPU_S3C2443 +extern int s3c2443_init(void); +extern void s3c2443_map_io(void); +extern void s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no); +extern void s3c2443_init_clocks(int xtal); +extern int s3c2443_baseclk_add(void); +extern void s3c2443_restart(enum reboot_mode mode, const char *cmd); +extern void s3c2443_init_irq(void); +#else +#define s3c2443_init_clocks NULL +#define s3c2443_init_uarts NULL +#define s3c2443_map_io NULL +#define s3c2443_init NULL +#endif + +extern struct syscore_ops s3c24xx_irq_syscore_ops; + +extern struct platform_device s3c2410_device_dma; +extern struct platform_device s3c2412_device_dma; +extern struct platform_device s3c2440_device_dma; +extern struct platform_device s3c2443_device_dma; + +extern struct platform_device s3c2410_device_dclk; + +#ifdef CONFIG_S3C2410_COMMON_CLK +void __init s3c2410_common_clk_init(struct device_node *np, unsigned long xti_f, + int current_soc, + void __iomem *reg_base); +#endif +#ifdef CONFIG_S3C2412_COMMON_CLK +void __init s3c2412_common_clk_init(struct device_node *np, unsigned long xti_f, + unsigned long ext_f, void __iomem *reg_base); +#endif +#ifdef CONFIG_S3C2443_COMMON_CLK +void __init s3c2443_common_clk_init(struct device_node *np, unsigned long xti_f, + int current_soc, + void __iomem *reg_base); +#endif + +#endif /* __ARCH_ARM_MACH_S3C24XX_COMMON_H */ diff --git a/arch/arm/mach-s3c24xx/cpufreq-utils.c b/arch/arm/mach-s3c24xx/cpufreq-utils.c new file mode 100644 index 00000000000..d4d9514335f --- /dev/null +++ b/arch/arm/mach-s3c24xx/cpufreq-utils.c @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2009 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * S3C24XX CPU Frequency scaling - utils for S3C2410/S3C2440/S3C2442 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/cpufreq.h> +#include <linux/io.h> +#include <linux/clk.h> + +#include <mach/map.h> +#include <mach/regs-clock.h> + +#include <plat/cpu-freq-core.h> + +#include "regs-mem.h" + +/** + * s3c2410_cpufreq_setrefresh - set SDRAM refresh value + * @cfg: The frequency configuration + * + * Set the SDRAM refresh value appropriately for the configured + * frequency. + */ +void s3c2410_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg) +{ + struct s3c_cpufreq_board *board = cfg->board; + unsigned long refresh; + unsigned long refval; + + /* Reduce both the refresh time (in ns) and the frequency (in MHz) + * down to ensure that we do not overflow 32 bit numbers. + * + * This should work for HCLK up to 133MHz and refresh period up + * to 30usec. + */ + + refresh = (cfg->freq.hclk / 100) * (board->refresh / 10); + refresh = DIV_ROUND_UP(refresh, (1000 * 1000)); /* apply scale */ + refresh = (1 << 11) + 1 - refresh; + + s3c_freq_dbg("%s: refresh value %lu\n", __func__, refresh); + + refval = __raw_readl(S3C2410_REFRESH); + refval &= ~((1 << 12) - 1); + refval |= refresh; + __raw_writel(refval, S3C2410_REFRESH); +} + +/** + * s3c2410_set_fvco - set the PLL value + * @cfg: The frequency configuration + */ +void s3c2410_set_fvco(struct s3c_cpufreq_config *cfg) +{ + if (!IS_ERR(cfg->mpll)) + clk_set_rate(cfg->mpll, cfg->pll.frequency); +} diff --git a/arch/arm/mach-s3c24xx/dma-s3c2410.c b/arch/arm/mach-s3c24xx/dma-s3c2410.c new file mode 100644 index 00000000000..09aa12da178 --- /dev/null +++ b/arch/arm/mach-s3c24xx/dma-s3c2410.c @@ -0,0 +1,182 @@ +/* linux/arch/arm/mach-s3c2410/dma.c + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 DMA selection + * + * http://armlinux.simtec.co.uk/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> + +#include <mach/map.h> +#include <mach/dma.h> + +#include <plat/cpu.h> +#include <plat/dma-s3c24xx.h> + +#include <mach/regs-gpio.h> +#include <plat/regs-dma.h> +#include <mach/regs-lcd.h> +#include <plat/regs-spi.h> + +static struct s3c24xx_dma_map __initdata s3c2410_dma_mappings[] = { + [DMACH_XD0] = { + .name = "xdreq0", + .channels[0] = S3C2410_DCON_CH0_XDREQ0 | DMA_CH_VALID, + }, + [DMACH_XD1] = { + .name = "xdreq1", + .channels[1] = S3C2410_DCON_CH1_XDREQ1 | DMA_CH_VALID, + }, + [DMACH_SDI] = { + .name = "sdi", + .channels[0] = S3C2410_DCON_CH0_SDI | DMA_CH_VALID, + .channels[2] = S3C2410_DCON_CH2_SDI | DMA_CH_VALID, + .channels[3] = S3C2410_DCON_CH3_SDI | DMA_CH_VALID, + }, + [DMACH_SPI0] = { + .name = "spi0", + .channels[1] = S3C2410_DCON_CH1_SPI | DMA_CH_VALID, + }, + [DMACH_SPI1] = { + .name = "spi1", + .channels[3] = S3C2410_DCON_CH3_SPI | DMA_CH_VALID, + }, + [DMACH_UART0] = { + .name = "uart0", + .channels[0] = S3C2410_DCON_CH0_UART0 | DMA_CH_VALID, + }, + [DMACH_UART1] = { + .name = "uart1", + .channels[1] = S3C2410_DCON_CH1_UART1 | DMA_CH_VALID, + }, + [DMACH_UART2] = { + .name = "uart2", + .channels[3] = S3C2410_DCON_CH3_UART2 | DMA_CH_VALID, + }, + [DMACH_TIMER] = { + .name = "timer", + .channels[0] = S3C2410_DCON_CH0_TIMER | DMA_CH_VALID, + .channels[2] = S3C2410_DCON_CH2_TIMER | DMA_CH_VALID, + .channels[3] = S3C2410_DCON_CH3_TIMER | DMA_CH_VALID, + }, + [DMACH_I2S_IN] = { + .name = "i2s-sdi", + .channels[1] = S3C2410_DCON_CH1_I2SSDI | DMA_CH_VALID, + .channels[2] = S3C2410_DCON_CH2_I2SSDI | DMA_CH_VALID, + }, + [DMACH_I2S_OUT] = { + .name = "i2s-sdo", + .channels[2] = S3C2410_DCON_CH2_I2SSDO | DMA_CH_VALID, + }, + [DMACH_USB_EP1] = { + .name = "usb-ep1", + .channels[0] = S3C2410_DCON_CH0_USBEP1 | DMA_CH_VALID, + }, + [DMACH_USB_EP2] = { + .name = "usb-ep2", + .channels[1] = S3C2410_DCON_CH1_USBEP2 | DMA_CH_VALID, + }, + [DMACH_USB_EP3] = { + .name = "usb-ep3", + .channels[2] = S3C2410_DCON_CH2_USBEP3 | DMA_CH_VALID, + }, + [DMACH_USB_EP4] = { + .name = "usb-ep4", + .channels[3] =S3C2410_DCON_CH3_USBEP4 | DMA_CH_VALID, + }, +}; + +static void s3c2410_dma_select(struct s3c2410_dma_chan *chan, + struct s3c24xx_dma_map *map) +{ + chan->dcon = map->channels[chan->number] & ~DMA_CH_VALID; +} + +static struct s3c24xx_dma_selection __initdata s3c2410_dma_sel = { + .select = s3c2410_dma_select, + .dcon_mask = 7 << 24, + .map = s3c2410_dma_mappings, + .map_size = ARRAY_SIZE(s3c2410_dma_mappings), +}; + +static struct s3c24xx_dma_order __initdata s3c2410_dma_order = { + .channels = { + [DMACH_SDI] = { + .list = { + [0] = 3 | DMA_CH_VALID, + [1] = 2 | DMA_CH_VALID, + [2] = 0 | DMA_CH_VALID, + }, + }, + [DMACH_I2S_IN] = { + .list = { + [0] = 1 | DMA_CH_VALID, + [1] = 2 | DMA_CH_VALID, + }, + }, + }, +}; + +static int __init s3c2410_dma_add(struct device *dev, + struct subsys_interface *sif) +{ + s3c2410_dma_init(); + s3c24xx_dma_order_set(&s3c2410_dma_order); + return s3c24xx_dma_init_map(&s3c2410_dma_sel); +} + +#if defined(CONFIG_CPU_S3C2410) +static struct subsys_interface s3c2410_dma_interface = { + .name = "s3c2410_dma", + .subsys = &s3c2410_subsys, + .add_dev = s3c2410_dma_add, +}; + +static int __init s3c2410_dma_drvinit(void) +{ + return subsys_interface_register(&s3c2410_dma_interface); +} + +arch_initcall(s3c2410_dma_drvinit); + +static struct subsys_interface s3c2410a_dma_interface = { + .name = "s3c2410a_dma", + .subsys = &s3c2410a_subsys, + .add_dev = s3c2410_dma_add, +}; + +static int __init s3c2410a_dma_drvinit(void) +{ + return subsys_interface_register(&s3c2410a_dma_interface); +} + +arch_initcall(s3c2410a_dma_drvinit); +#endif + +#if defined(CONFIG_CPU_S3C2442) +/* S3C2442 DMA contains the same selection table as the S3C2410 */ +static struct subsys_interface s3c2442_dma_interface = { + .name = "s3c2442_dma", + .subsys = &s3c2442_subsys, + .add_dev = s3c2410_dma_add, +}; + +static int __init s3c2442_dma_drvinit(void) +{ + return subsys_interface_register(&s3c2442_dma_interface); +} + +arch_initcall(s3c2442_dma_drvinit); +#endif + diff --git a/arch/arm/mach-s3c24xx/dma-s3c2412.c b/arch/arm/mach-s3c24xx/dma-s3c2412.c new file mode 100644 index 00000000000..0c0106d1a4d --- /dev/null +++ b/arch/arm/mach-s3c24xx/dma-s3c2412.c @@ -0,0 +1,150 @@ +/* linux/arch/arm/mach-s3c2412/dma.c + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2412 DMA selection + * + * http://armlinux.simtec.co.uk/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/io.h> + +#include <mach/dma.h> + +#include <plat/dma-s3c24xx.h> +#include <plat/cpu.h> + +#include <mach/regs-gpio.h> +#include <plat/regs-dma.h> +#include <mach/regs-lcd.h> +#include <plat/regs-spi.h> + +#define MAP(x) { (x)| DMA_CH_VALID, (x)| DMA_CH_VALID, (x)| DMA_CH_VALID, (x)| DMA_CH_VALID } + +static struct s3c24xx_dma_map __initdata s3c2412_dma_mappings[] = { + [DMACH_XD0] = { + .name = "xdreq0", + .channels = MAP(S3C2412_DMAREQSEL_XDREQ0), + }, + [DMACH_XD1] = { + .name = "xdreq1", + .channels = MAP(S3C2412_DMAREQSEL_XDREQ1), + }, + [DMACH_SDI] = { + .name = "sdi", + .channels = MAP(S3C2412_DMAREQSEL_SDI), + }, + [DMACH_SPI0_RX] = { + .name = "spi0-rx", + .channels = MAP(S3C2412_DMAREQSEL_SPI0RX), + }, + [DMACH_SPI0_TX] = { + .name = "spi0-tx", + .channels = MAP(S3C2412_DMAREQSEL_SPI0TX), + }, + [DMACH_SPI1_RX] = { + .name = "spi1-rx", + .channels = MAP(S3C2412_DMAREQSEL_SPI1RX), + }, + [DMACH_SPI1_TX] = { + .name = "spi1-tx", + .channels = MAP(S3C2412_DMAREQSEL_SPI1TX), + }, + [DMACH_UART0] = { + .name = "uart0", + .channels = MAP(S3C2412_DMAREQSEL_UART0_0), + }, + [DMACH_UART1] = { + .name = "uart1", + .channels = MAP(S3C2412_DMAREQSEL_UART1_0), + }, + [DMACH_UART2] = { + .name = "uart2", + .channels = MAP(S3C2412_DMAREQSEL_UART2_0), + }, + [DMACH_UART0_SRC2] = { + .name = "uart0", + .channels = MAP(S3C2412_DMAREQSEL_UART0_1), + }, + [DMACH_UART1_SRC2] = { + .name = "uart1", + .channels = MAP(S3C2412_DMAREQSEL_UART1_1), + }, + [DMACH_UART2_SRC2] = { + .name = "uart2", + .channels = MAP(S3C2412_DMAREQSEL_UART2_1), + }, + [DMACH_TIMER] = { + .name = "timer", + .channels = MAP(S3C2412_DMAREQSEL_TIMER), + }, + [DMACH_I2S_IN] = { + .name = "i2s-sdi", + .channels = MAP(S3C2412_DMAREQSEL_I2SRX), + }, + [DMACH_I2S_OUT] = { + .name = "i2s-sdo", + .channels = MAP(S3C2412_DMAREQSEL_I2STX), + }, + [DMACH_USB_EP1] = { + .name = "usb-ep1", + .channels = MAP(S3C2412_DMAREQSEL_USBEP1), + }, + [DMACH_USB_EP2] = { + .name = "usb-ep2", + .channels = MAP(S3C2412_DMAREQSEL_USBEP2), + }, + [DMACH_USB_EP3] = { + .name = "usb-ep3", + .channels = MAP(S3C2412_DMAREQSEL_USBEP3), + }, + [DMACH_USB_EP4] = { + .name = "usb-ep4", + .channels = MAP(S3C2412_DMAREQSEL_USBEP4), + }, +}; + +static void s3c2412_dma_select(struct s3c2410_dma_chan *chan, + struct s3c24xx_dma_map *map) +{ + unsigned long chsel = map->channels[0] & (~DMA_CH_VALID); + writel(chsel | S3C2412_DMAREQSEL_HW, + chan->regs + S3C2412_DMA_DMAREQSEL); +} + +static struct s3c24xx_dma_selection __initdata s3c2412_dma_sel = { + .select = s3c2412_dma_select, + .dcon_mask = 0, + .map = s3c2412_dma_mappings, + .map_size = ARRAY_SIZE(s3c2412_dma_mappings), +}; + +static int __init s3c2412_dma_add(struct device *dev, + struct subsys_interface *sif) +{ + s3c2410_dma_init(); + return s3c24xx_dma_init_map(&s3c2412_dma_sel); +} + +static struct subsys_interface s3c2412_dma_interface = { + .name = "s3c2412_dma", + .subsys = &s3c2412_subsys, + .add_dev = s3c2412_dma_add, +}; + +static int __init s3c2412_dma_init(void) +{ + return subsys_interface_register(&s3c2412_dma_interface); +} + +arch_initcall(s3c2412_dma_init); diff --git a/arch/arm/mach-s3c24xx/dma-s3c2440.c b/arch/arm/mach-s3c24xx/dma-s3c2440.c new file mode 100644 index 00000000000..2f8e8a3017d --- /dev/null +++ b/arch/arm/mach-s3c24xx/dma-s3c2440.c @@ -0,0 +1,193 @@ +/* linux/arch/arm/mach-s3c2440/dma.c + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2440 DMA selection + * + * http://armlinux.simtec.co.uk/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> + +#include <mach/map.h> +#include <mach/dma.h> + +#include <plat/dma-s3c24xx.h> +#include <plat/cpu.h> + +#include <mach/regs-gpio.h> +#include <plat/regs-dma.h> +#include <mach/regs-lcd.h> +#include <plat/regs-spi.h> + +static struct s3c24xx_dma_map __initdata s3c2440_dma_mappings[] = { + [DMACH_XD0] = { + .name = "xdreq0", + .channels[0] = S3C2410_DCON_CH0_XDREQ0 | DMA_CH_VALID, + }, + [DMACH_XD1] = { + .name = "xdreq1", + .channels[1] = S3C2410_DCON_CH1_XDREQ1 | DMA_CH_VALID, + }, + [DMACH_SDI] = { + .name = "sdi", + .channels[0] = S3C2410_DCON_CH0_SDI | DMA_CH_VALID, + .channels[1] = S3C2440_DCON_CH1_SDI | DMA_CH_VALID, + .channels[2] = S3C2410_DCON_CH2_SDI | DMA_CH_VALID, + .channels[3] = S3C2410_DCON_CH3_SDI | DMA_CH_VALID, + }, + [DMACH_SPI0] = { + .name = "spi0", + .channels[1] = S3C2410_DCON_CH1_SPI | DMA_CH_VALID, + }, + [DMACH_SPI1] = { + .name = "spi1", + .channels[3] = S3C2410_DCON_CH3_SPI | DMA_CH_VALID, + }, + [DMACH_UART0] = { + .name = "uart0", + .channels[0] = S3C2410_DCON_CH0_UART0 | DMA_CH_VALID, + }, + [DMACH_UART1] = { + .name = "uart1", + .channels[1] = S3C2410_DCON_CH1_UART1 | DMA_CH_VALID, + }, + [DMACH_UART2] = { + .name = "uart2", + .channels[3] = S3C2410_DCON_CH3_UART2 | DMA_CH_VALID, + }, + [DMACH_TIMER] = { + .name = "timer", + .channels[0] = S3C2410_DCON_CH0_TIMER | DMA_CH_VALID, + .channels[2] = S3C2410_DCON_CH2_TIMER | DMA_CH_VALID, + .channels[3] = S3C2410_DCON_CH3_TIMER | DMA_CH_VALID, + }, + [DMACH_I2S_IN] = { + .name = "i2s-sdi", + .channels[1] = S3C2410_DCON_CH1_I2SSDI | DMA_CH_VALID, + .channels[2] = S3C2410_DCON_CH2_I2SSDI | DMA_CH_VALID, + }, + [DMACH_I2S_OUT] = { + .name = "i2s-sdo", + .channels[0] = S3C2440_DCON_CH0_I2SSDO | DMA_CH_VALID, + .channels[2] = S3C2410_DCON_CH2_I2SSDO | DMA_CH_VALID, + }, + [DMACH_PCM_IN] = { + .name = "pcm-in", + .channels[0] = S3C2440_DCON_CH0_PCMIN | DMA_CH_VALID, + .channels[2] = S3C2440_DCON_CH2_PCMIN | DMA_CH_VALID, + }, + [DMACH_PCM_OUT] = { + .name = "pcm-out", + .channels[1] = S3C2440_DCON_CH1_PCMOUT | DMA_CH_VALID, + .channels[3] = S3C2440_DCON_CH3_PCMOUT | DMA_CH_VALID, + }, + [DMACH_MIC_IN] = { + .name = "mic-in", + .channels[2] = S3C2440_DCON_CH2_MICIN | DMA_CH_VALID, + .channels[3] = S3C2440_DCON_CH3_MICIN | DMA_CH_VALID, + }, + [DMACH_USB_EP1] = { + .name = "usb-ep1", + .channels[0] = S3C2410_DCON_CH0_USBEP1 | DMA_CH_VALID, + }, + [DMACH_USB_EP2] = { + .name = "usb-ep2", + .channels[1] = S3C2410_DCON_CH1_USBEP2 | DMA_CH_VALID, + }, + [DMACH_USB_EP3] = { + .name = "usb-ep3", + .channels[2] = S3C2410_DCON_CH2_USBEP3 | DMA_CH_VALID, + }, + [DMACH_USB_EP4] = { + .name = "usb-ep4", + .channels[3] = S3C2410_DCON_CH3_USBEP4 | DMA_CH_VALID, + }, +}; + +static void s3c2440_dma_select(struct s3c2410_dma_chan *chan, + struct s3c24xx_dma_map *map) +{ + chan->dcon = map->channels[chan->number] & ~DMA_CH_VALID; +} + +static struct s3c24xx_dma_selection __initdata s3c2440_dma_sel = { + .select = s3c2440_dma_select, + .dcon_mask = 7 << 24, + .map = s3c2440_dma_mappings, + .map_size = ARRAY_SIZE(s3c2440_dma_mappings), +}; + +static struct s3c24xx_dma_order __initdata s3c2440_dma_order = { + .channels = { + [DMACH_SDI] = { + .list = { + [0] = 3 | DMA_CH_VALID, + [1] = 2 | DMA_CH_VALID, + [2] = 1 | DMA_CH_VALID, + [3] = 0 | DMA_CH_VALID, + }, + }, + [DMACH_I2S_IN] = { + .list = { + [0] = 1 | DMA_CH_VALID, + [1] = 2 | DMA_CH_VALID, + }, + }, + [DMACH_I2S_OUT] = { + .list = { + [0] = 2 | DMA_CH_VALID, + [1] = 1 | DMA_CH_VALID, + }, + }, + [DMACH_PCM_IN] = { + .list = { + [0] = 2 | DMA_CH_VALID, + [1] = 1 | DMA_CH_VALID, + }, + }, + [DMACH_PCM_OUT] = { + .list = { + [0] = 1 | DMA_CH_VALID, + [1] = 3 | DMA_CH_VALID, + }, + }, + [DMACH_MIC_IN] = { + .list = { + [0] = 3 | DMA_CH_VALID, + [1] = 2 | DMA_CH_VALID, + }, + }, + }, +}; + +static int __init s3c2440_dma_add(struct device *dev, + struct subsys_interface *sif) +{ + s3c2410_dma_init(); + s3c24xx_dma_order_set(&s3c2440_dma_order); + return s3c24xx_dma_init_map(&s3c2440_dma_sel); +} + +static struct subsys_interface s3c2440_dma_interface = { + .name = "s3c2440_dma", + .subsys = &s3c2440_subsys, + .add_dev = s3c2440_dma_add, +}; + +static int __init s3c2440_dma_init(void) +{ + return subsys_interface_register(&s3c2440_dma_interface); +} + +arch_initcall(s3c2440_dma_init); + diff --git a/arch/arm/mach-s3c24xx/dma-s3c2443.c b/arch/arm/mach-s3c24xx/dma-s3c2443.c new file mode 100644 index 00000000000..f4096ec0700 --- /dev/null +++ b/arch/arm/mach-s3c24xx/dma-s3c2443.c @@ -0,0 +1,179 @@ +/* linux/arch/arm/mach-s3c2443/dma.c + * + * Copyright (c) 2007 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2443 DMA selection + * + * http://armlinux.simtec.co.uk/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/io.h> + +#include <mach/dma.h> + +#include <plat/dma-s3c24xx.h> +#include <plat/cpu.h> + +#include <mach/regs-gpio.h> +#include <plat/regs-dma.h> +#include <mach/regs-lcd.h> +#include <plat/regs-spi.h> + +#define MAP(x) { \ + [0] = (x) | DMA_CH_VALID, \ + [1] = (x) | DMA_CH_VALID, \ + [2] = (x) | DMA_CH_VALID, \ + [3] = (x) | DMA_CH_VALID, \ + [4] = (x) | DMA_CH_VALID, \ + [5] = (x) | DMA_CH_VALID, \ + } + +static struct s3c24xx_dma_map __initdata s3c2443_dma_mappings[] = { + [DMACH_XD0] = { + .name = "xdreq0", + .channels = MAP(S3C2443_DMAREQSEL_XDREQ0), + }, + [DMACH_XD1] = { + .name = "xdreq1", + .channels = MAP(S3C2443_DMAREQSEL_XDREQ1), + }, + [DMACH_SDI] = { /* only on S3C2443 */ + .name = "sdi", + .channels = MAP(S3C2443_DMAREQSEL_SDI), + }, + [DMACH_SPI0_RX] = { + .name = "spi0-rx", + .channels = MAP(S3C2443_DMAREQSEL_SPI0RX), + }, + [DMACH_SPI0_TX] = { + .name = "spi0-tx", + .channels = MAP(S3C2443_DMAREQSEL_SPI0TX), + }, + [DMACH_SPI1_RX] = { /* only on S3C2443/S3C2450 */ + .name = "spi1-rx", + .channels = MAP(S3C2443_DMAREQSEL_SPI1RX), + }, + [DMACH_SPI1_TX] = { /* only on S3C2443/S3C2450 */ + .name = "spi1-tx", + .channels = MAP(S3C2443_DMAREQSEL_SPI1TX), + }, + [DMACH_UART0] = { + .name = "uart0", + .channels = MAP(S3C2443_DMAREQSEL_UART0_0), + }, + [DMACH_UART1] = { + .name = "uart1", + .channels = MAP(S3C2443_DMAREQSEL_UART1_0), + }, + [DMACH_UART2] = { + .name = "uart2", + .channels = MAP(S3C2443_DMAREQSEL_UART2_0), + }, + [DMACH_UART3] = { + .name = "uart3", + .channels = MAP(S3C2443_DMAREQSEL_UART3_0), + }, + [DMACH_UART0_SRC2] = { + .name = "uart0", + .channels = MAP(S3C2443_DMAREQSEL_UART0_1), + }, + [DMACH_UART1_SRC2] = { + .name = "uart1", + .channels = MAP(S3C2443_DMAREQSEL_UART1_1), + }, + [DMACH_UART2_SRC2] = { + .name = "uart2", + .channels = MAP(S3C2443_DMAREQSEL_UART2_1), + }, + [DMACH_UART3_SRC2] = { + .name = "uart3", + .channels = MAP(S3C2443_DMAREQSEL_UART3_1), + }, + [DMACH_TIMER] = { + .name = "timer", + .channels = MAP(S3C2443_DMAREQSEL_TIMER), + }, + [DMACH_I2S_IN] = { + .name = "i2s-sdi", + .channels = MAP(S3C2443_DMAREQSEL_I2SRX), + }, + [DMACH_I2S_OUT] = { + .name = "i2s-sdo", + .channels = MAP(S3C2443_DMAREQSEL_I2STX), + }, + [DMACH_PCM_IN] = { + .name = "pcm-in", + .channels = MAP(S3C2443_DMAREQSEL_PCMIN), + }, + [DMACH_PCM_OUT] = { + .name = "pcm-out", + .channels = MAP(S3C2443_DMAREQSEL_PCMOUT), + }, + [DMACH_MIC_IN] = { + .name = "mic-in", + .channels = MAP(S3C2443_DMAREQSEL_MICIN), + }, +}; + +static void s3c2443_dma_select(struct s3c2410_dma_chan *chan, + struct s3c24xx_dma_map *map) +{ + unsigned long chsel = map->channels[0] & (~DMA_CH_VALID); + writel(chsel | S3C2443_DMAREQSEL_HW, + chan->regs + S3C2443_DMA_DMAREQSEL); +} + +static struct s3c24xx_dma_selection __initdata s3c2443_dma_sel = { + .select = s3c2443_dma_select, + .dcon_mask = 0, + .map = s3c2443_dma_mappings, + .map_size = ARRAY_SIZE(s3c2443_dma_mappings), +}; + +static int __init s3c2443_dma_add(struct device *dev, + struct subsys_interface *sif) +{ + s3c24xx_dma_init(6, IRQ_S3C2443_DMA0, 0x100); + return s3c24xx_dma_init_map(&s3c2443_dma_sel); +} + +#ifdef CONFIG_CPU_S3C2416 +/* S3C2416 DMA contains the same selection table as the S3C2443 */ +static struct subsys_interface s3c2416_dma_interface = { + .name = "s3c2416_dma", + .subsys = &s3c2416_subsys, + .add_dev = s3c2443_dma_add, +}; + +static int __init s3c2416_dma_init(void) +{ + return subsys_interface_register(&s3c2416_dma_interface); +} + +arch_initcall(s3c2416_dma_init); +#endif + +#ifdef CONFIG_CPU_S3C2443 +static struct subsys_interface s3c2443_dma_interface = { + .name = "s3c2443_dma", + .subsys = &s3c2443_subsys, + .add_dev = s3c2443_dma_add, +}; + +static int __init s3c2443_dma_init(void) +{ + return subsys_interface_register(&s3c2443_dma_interface); +} + +arch_initcall(s3c2443_dma_init); +#endif diff --git a/arch/arm/mach-s3c24xx/dma.c b/arch/arm/mach-s3c24xx/dma.c new file mode 100644 index 00000000000..a8dafc174fe --- /dev/null +++ b/arch/arm/mach-s3c24xx/dma.c @@ -0,0 +1,1465 @@ +/* + * Copyright 2003-2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 DMA core + * + * http://armlinux.simtec.co.uk/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + + +#ifdef CONFIG_S3C2410_DMA_DEBUG +#define DEBUG +#endif + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/spinlock.h> +#include <linux/interrupt.h> +#include <linux/syscore_ops.h> +#include <linux/slab.h> +#include <linux/errno.h> +#include <linux/io.h> + +#include <asm/irq.h> +#include <mach/hardware.h> +#include <mach/dma.h> +#include <mach/map.h> + +#include <plat/dma-s3c24xx.h> +#include <plat/regs-dma.h> + +/* io map for dma */ +static void __iomem *dma_base; +static struct kmem_cache *dma_kmem; + +static int dma_channels; + +static struct s3c24xx_dma_selection dma_sel; + + +/* debugging functions */ + +#define BUF_MAGIC (0xcafebabe) + +#define dmawarn(fmt...) printk(KERN_DEBUG fmt) + +#define dma_regaddr(chan, reg) ((chan)->regs + (reg)) + +#if 1 +#define dma_wrreg(chan, reg, val) writel((val), (chan)->regs + (reg)) +#else +static inline void +dma_wrreg(struct s3c2410_dma_chan *chan, int reg, unsigned long val) +{ + pr_debug("writing %08x to register %08x\n",(unsigned int)val,reg); + writel(val, dma_regaddr(chan, reg)); +} +#endif + +#define dma_rdreg(chan, reg) readl((chan)->regs + (reg)) + +/* captured register state for debug */ + +struct s3c2410_dma_regstate { + unsigned long dcsrc; + unsigned long disrc; + unsigned long dstat; + unsigned long dcon; + unsigned long dmsktrig; +}; + +#ifdef CONFIG_S3C2410_DMA_DEBUG + +/* dmadbg_showregs + * + * simple debug routine to print the current state of the dma registers +*/ + +static void +dmadbg_capture(struct s3c2410_dma_chan *chan, struct s3c2410_dma_regstate *regs) +{ + regs->dcsrc = dma_rdreg(chan, S3C2410_DMA_DCSRC); + regs->disrc = dma_rdreg(chan, S3C2410_DMA_DISRC); + regs->dstat = dma_rdreg(chan, S3C2410_DMA_DSTAT); + regs->dcon = dma_rdreg(chan, S3C2410_DMA_DCON); + regs->dmsktrig = dma_rdreg(chan, S3C2410_DMA_DMASKTRIG); +} + +static void +dmadbg_dumpregs(const char *fname, int line, struct s3c2410_dma_chan *chan, + struct s3c2410_dma_regstate *regs) +{ + printk(KERN_DEBUG "dma%d: %s:%d: DCSRC=%08lx, DISRC=%08lx, DSTAT=%08lx DMT=%02lx, DCON=%08lx\n", + chan->number, fname, line, + regs->dcsrc, regs->disrc, regs->dstat, regs->dmsktrig, + regs->dcon); +} + +static void +dmadbg_showchan(const char *fname, int line, struct s3c2410_dma_chan *chan) +{ + struct s3c2410_dma_regstate state; + + dmadbg_capture(chan, &state); + + printk(KERN_DEBUG "dma%d: %s:%d: ls=%d, cur=%p, %p %p\n", + chan->number, fname, line, chan->load_state, + chan->curr, chan->next, chan->end); + + dmadbg_dumpregs(fname, line, chan, &state); +} + +static void +dmadbg_showregs(const char *fname, int line, struct s3c2410_dma_chan *chan) +{ + struct s3c2410_dma_regstate state; + + dmadbg_capture(chan, &state); + dmadbg_dumpregs(fname, line, chan, &state); +} + +#define dbg_showregs(chan) dmadbg_showregs(__func__, __LINE__, (chan)) +#define dbg_showchan(chan) dmadbg_showchan(__func__, __LINE__, (chan)) +#else +#define dbg_showregs(chan) do { } while(0) +#define dbg_showchan(chan) do { } while(0) +#endif /* CONFIG_S3C2410_DMA_DEBUG */ + +/* s3c2410_dma_stats_timeout + * + * Update DMA stats from timeout info +*/ + +static void +s3c2410_dma_stats_timeout(struct s3c2410_dma_stats *stats, int val) +{ + if (stats == NULL) + return; + + if (val > stats->timeout_longest) + stats->timeout_longest = val; + if (val < stats->timeout_shortest) + stats->timeout_shortest = val; + + stats->timeout_avg += val; +} + +/* s3c2410_dma_waitforload + * + * wait for the DMA engine to load a buffer, and update the state accordingly +*/ + +static int +s3c2410_dma_waitforload(struct s3c2410_dma_chan *chan, int line) +{ + int timeout = chan->load_timeout; + int took; + + if (chan->load_state != S3C2410_DMALOAD_1LOADED) { + printk(KERN_ERR "dma%d: s3c2410_dma_waitforload() called in loadstate %d from line %d\n", chan->number, chan->load_state, line); + return 0; + } + + if (chan->stats != NULL) + chan->stats->loads++; + + while (--timeout > 0) { + if ((dma_rdreg(chan, S3C2410_DMA_DSTAT) << (32-20)) != 0) { + took = chan->load_timeout - timeout; + + s3c2410_dma_stats_timeout(chan->stats, took); + + switch (chan->load_state) { + case S3C2410_DMALOAD_1LOADED: + chan->load_state = S3C2410_DMALOAD_1RUNNING; + break; + + default: + printk(KERN_ERR "dma%d: unknown load_state in s3c2410_dma_waitforload() %d\n", chan->number, chan->load_state); + } + + return 1; + } + } + + if (chan->stats != NULL) { + chan->stats->timeout_failed++; + } + + return 0; +} + +/* s3c2410_dma_loadbuffer + * + * load a buffer, and update the channel state +*/ + +static inline int +s3c2410_dma_loadbuffer(struct s3c2410_dma_chan *chan, + struct s3c2410_dma_buf *buf) +{ + unsigned long reload; + + if (buf == NULL) { + dmawarn("buffer is NULL\n"); + return -EINVAL; + } + + pr_debug("s3c2410_chan_loadbuffer: loading buff %p (0x%08lx,0x%06x)\n", + buf, (unsigned long)buf->data, buf->size); + + /* check the state of the channel before we do anything */ + + if (chan->load_state == S3C2410_DMALOAD_1LOADED) { + dmawarn("load_state is S3C2410_DMALOAD_1LOADED\n"); + } + + if (chan->load_state == S3C2410_DMALOAD_1LOADED_1RUNNING) { + dmawarn("state is S3C2410_DMALOAD_1LOADED_1RUNNING\n"); + } + + /* it would seem sensible if we are the last buffer to not bother + * with the auto-reload bit, so that the DMA engine will not try + * and load another transfer after this one has finished... + */ + if (chan->load_state == S3C2410_DMALOAD_NONE) { + pr_debug("load_state is none, checking for noreload (next=%p)\n", + buf->next); + reload = (buf->next == NULL) ? S3C2410_DCON_NORELOAD : 0; + } else { + //pr_debug("load_state is %d => autoreload\n", chan->load_state); + reload = S3C2410_DCON_AUTORELOAD; + } + + if ((buf->data & 0xf0000000) != 0x30000000) { + dmawarn("dmaload: buffer is %p\n", (void *)buf->data); + } + + writel(buf->data, chan->addr_reg); + + dma_wrreg(chan, S3C2410_DMA_DCON, + chan->dcon | reload | (buf->size/chan->xfer_unit)); + + chan->next = buf->next; + + /* update the state of the channel */ + + switch (chan->load_state) { + case S3C2410_DMALOAD_NONE: + chan->load_state = S3C2410_DMALOAD_1LOADED; + break; + + case S3C2410_DMALOAD_1RUNNING: + chan->load_state = S3C2410_DMALOAD_1LOADED_1RUNNING; + break; + + default: + dmawarn("dmaload: unknown state %d in loadbuffer\n", + chan->load_state); + break; + } + + return 0; +} + +/* s3c2410_dma_call_op + * + * small routine to call the op routine with the given op if it has been + * registered +*/ + +static void +s3c2410_dma_call_op(struct s3c2410_dma_chan *chan, enum s3c2410_chan_op op) +{ + if (chan->op_fn != NULL) { + (chan->op_fn)(chan, op); + } +} + +/* s3c2410_dma_buffdone + * + * small wrapper to check if callback routine needs to be called, and + * if so, call it +*/ + +static inline void +s3c2410_dma_buffdone(struct s3c2410_dma_chan *chan, struct s3c2410_dma_buf *buf, + enum s3c2410_dma_buffresult result) +{ +#if 0 + pr_debug("callback_fn=%p, buf=%p, id=%p, size=%d, result=%d\n", + chan->callback_fn, buf, buf->id, buf->size, result); +#endif + + if (chan->callback_fn != NULL) { + (chan->callback_fn)(chan, buf->id, buf->size, result); + } +} + +/* s3c2410_dma_start + * + * start a dma channel going +*/ + +static int s3c2410_dma_start(struct s3c2410_dma_chan *chan) +{ + unsigned long tmp; + unsigned long flags; + + pr_debug("s3c2410_start_dma: channel=%d\n", chan->number); + + local_irq_save(flags); + + if (chan->state == S3C2410_DMA_RUNNING) { + pr_debug("s3c2410_start_dma: already running (%d)\n", chan->state); + local_irq_restore(flags); + return 0; + } + + chan->state = S3C2410_DMA_RUNNING; + + /* check whether there is anything to load, and if not, see + * if we can find anything to load + */ + + if (chan->load_state == S3C2410_DMALOAD_NONE) { + if (chan->next == NULL) { + printk(KERN_ERR "dma%d: channel has nothing loaded\n", + chan->number); + chan->state = S3C2410_DMA_IDLE; + local_irq_restore(flags); + return -EINVAL; + } + + s3c2410_dma_loadbuffer(chan, chan->next); + } + + dbg_showchan(chan); + + /* enable the channel */ + + if (!chan->irq_enabled) { + enable_irq(chan->irq); + chan->irq_enabled = 1; + } + + /* start the channel going */ + + tmp = dma_rdreg(chan, S3C2410_DMA_DMASKTRIG); + tmp &= ~S3C2410_DMASKTRIG_STOP; + tmp |= S3C2410_DMASKTRIG_ON; + dma_wrreg(chan, S3C2410_DMA_DMASKTRIG, tmp); + + pr_debug("dma%d: %08lx to DMASKTRIG\n", chan->number, tmp); + +#if 0 + /* the dma buffer loads should take care of clearing the AUTO + * reloading feature */ + tmp = dma_rdreg(chan, S3C2410_DMA_DCON); + tmp &= ~S3C2410_DCON_NORELOAD; + dma_wrreg(chan, S3C2410_DMA_DCON, tmp); +#endif + + s3c2410_dma_call_op(chan, S3C2410_DMAOP_START); + + dbg_showchan(chan); + + /* if we've only loaded one buffer onto the channel, then chec + * to see if we have another, and if so, try and load it so when + * the first buffer is finished, the new one will be loaded onto + * the channel */ + + if (chan->next != NULL) { + if (chan->load_state == S3C2410_DMALOAD_1LOADED) { + + if (s3c2410_dma_waitforload(chan, __LINE__) == 0) { + pr_debug("%s: buff not yet loaded, no more todo\n", + __func__); + } else { + chan->load_state = S3C2410_DMALOAD_1RUNNING; + s3c2410_dma_loadbuffer(chan, chan->next); + } + + } else if (chan->load_state == S3C2410_DMALOAD_1RUNNING) { + s3c2410_dma_loadbuffer(chan, chan->next); + } + } + + + local_irq_restore(flags); + + return 0; +} + +/* s3c2410_dma_canload + * + * work out if we can queue another buffer into the DMA engine +*/ + +static int +s3c2410_dma_canload(struct s3c2410_dma_chan *chan) +{ + if (chan->load_state == S3C2410_DMALOAD_NONE || + chan->load_state == S3C2410_DMALOAD_1RUNNING) + return 1; + + return 0; +} + +/* s3c2410_dma_enqueue + * + * queue an given buffer for dma transfer. + * + * id the device driver's id information for this buffer + * data the physical address of the buffer data + * size the size of the buffer in bytes + * + * If the channel is not running, then the flag S3C2410_DMAF_AUTOSTART + * is checked, and if set, the channel is started. If this flag isn't set, + * then an error will be returned. + * + * It is possible to queue more than one DMA buffer onto a channel at + * once, and the code will deal with the re-loading of the next buffer + * when necessary. +*/ + +int s3c2410_dma_enqueue(enum dma_ch channel, void *id, + dma_addr_t data, int size) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + struct s3c2410_dma_buf *buf; + unsigned long flags; + + if (chan == NULL) + return -EINVAL; + + pr_debug("%s: id=%p, data=%08x, size=%d\n", + __func__, id, (unsigned int)data, size); + + buf = kmem_cache_alloc(dma_kmem, GFP_ATOMIC); + if (buf == NULL) { + pr_debug("%s: out of memory (%ld alloc)\n", + __func__, (long)sizeof(*buf)); + return -ENOMEM; + } + + //pr_debug("%s: new buffer %p\n", __func__, buf); + //dbg_showchan(chan); + + buf->next = NULL; + buf->data = buf->ptr = data; + buf->size = size; + buf->id = id; + buf->magic = BUF_MAGIC; + + local_irq_save(flags); + + if (chan->curr == NULL) { + /* we've got nothing loaded... */ + pr_debug("%s: buffer %p queued onto empty channel\n", + __func__, buf); + + chan->curr = buf; + chan->end = buf; + chan->next = NULL; + } else { + pr_debug("dma%d: %s: buffer %p queued onto non-empty channel\n", + chan->number, __func__, buf); + + if (chan->end == NULL) { + pr_debug("dma%d: %s: %p not empty, and chan->end==NULL?\n", + chan->number, __func__, chan); + } else { + chan->end->next = buf; + chan->end = buf; + } + } + + /* if necessary, update the next buffer field */ + if (chan->next == NULL) + chan->next = buf; + + /* check to see if we can load a buffer */ + if (chan->state == S3C2410_DMA_RUNNING) { + if (chan->load_state == S3C2410_DMALOAD_1LOADED && 1) { + if (s3c2410_dma_waitforload(chan, __LINE__) == 0) { + printk(KERN_ERR "dma%d: loadbuffer:" + "timeout loading buffer\n", + chan->number); + dbg_showchan(chan); + local_irq_restore(flags); + return -EINVAL; + } + } + + while (s3c2410_dma_canload(chan) && chan->next != NULL) { + s3c2410_dma_loadbuffer(chan, chan->next); + } + } else if (chan->state == S3C2410_DMA_IDLE) { + if (chan->flags & S3C2410_DMAF_AUTOSTART) { + s3c2410_dma_ctrl(chan->number | DMACH_LOW_LEVEL, + S3C2410_DMAOP_START); + } + } + + local_irq_restore(flags); + return 0; +} + +EXPORT_SYMBOL(s3c2410_dma_enqueue); + +static inline void +s3c2410_dma_freebuf(struct s3c2410_dma_buf *buf) +{ + int magicok = (buf->magic == BUF_MAGIC); + + buf->magic = -1; + + if (magicok) { + kmem_cache_free(dma_kmem, buf); + } else { + printk("s3c2410_dma_freebuf: buff %p with bad magic\n", buf); + } +} + +/* s3c2410_dma_lastxfer + * + * called when the system is out of buffers, to ensure that the channel + * is prepared for shutdown. +*/ + +static inline void +s3c2410_dma_lastxfer(struct s3c2410_dma_chan *chan) +{ +#if 0 + pr_debug("dma%d: s3c2410_dma_lastxfer: load_state %d\n", + chan->number, chan->load_state); +#endif + + switch (chan->load_state) { + case S3C2410_DMALOAD_NONE: + break; + + case S3C2410_DMALOAD_1LOADED: + if (s3c2410_dma_waitforload(chan, __LINE__) == 0) { + /* flag error? */ + printk(KERN_ERR "dma%d: timeout waiting for load (%s)\n", + chan->number, __func__); + return; + } + break; + + case S3C2410_DMALOAD_1LOADED_1RUNNING: + /* I believe in this case we do not have anything to do + * until the next buffer comes along, and we turn off the + * reload */ + return; + + default: + pr_debug("dma%d: lastxfer: unhandled load_state %d with no next\n", + chan->number, chan->load_state); + return; + + } + + /* hopefully this'll shut the damned thing up after the transfer... */ + dma_wrreg(chan, S3C2410_DMA_DCON, chan->dcon | S3C2410_DCON_NORELOAD); +} + + +#define dmadbg2(x...) + +static irqreturn_t +s3c2410_dma_irq(int irq, void *devpw) +{ + struct s3c2410_dma_chan *chan = (struct s3c2410_dma_chan *)devpw; + struct s3c2410_dma_buf *buf; + + buf = chan->curr; + + dbg_showchan(chan); + + /* modify the channel state */ + + switch (chan->load_state) { + case S3C2410_DMALOAD_1RUNNING: + /* TODO - if we are running only one buffer, we probably + * want to reload here, and then worry about the buffer + * callback */ + + chan->load_state = S3C2410_DMALOAD_NONE; + break; + + case S3C2410_DMALOAD_1LOADED: + /* iirc, we should go back to NONE loaded here, we + * had a buffer, and it was never verified as being + * loaded. + */ + + chan->load_state = S3C2410_DMALOAD_NONE; + break; + + case S3C2410_DMALOAD_1LOADED_1RUNNING: + /* we'll worry about checking to see if another buffer is + * ready after we've called back the owner. This should + * ensure we do not wait around too long for the DMA + * engine to start the next transfer + */ + + chan->load_state = S3C2410_DMALOAD_1LOADED; + break; + + case S3C2410_DMALOAD_NONE: + printk(KERN_ERR "dma%d: IRQ with no loaded buffer?\n", + chan->number); + break; + + default: + printk(KERN_ERR "dma%d: IRQ in invalid load_state %d\n", + chan->number, chan->load_state); + break; + } + + if (buf != NULL) { + /* update the chain to make sure that if we load any more + * buffers when we call the callback function, things should + * work properly */ + + chan->curr = buf->next; + buf->next = NULL; + + if (buf->magic != BUF_MAGIC) { + printk(KERN_ERR "dma%d: %s: buf %p incorrect magic\n", + chan->number, __func__, buf); + return IRQ_HANDLED; + } + + s3c2410_dma_buffdone(chan, buf, S3C2410_RES_OK); + + /* free resouces */ + s3c2410_dma_freebuf(buf); + } else { + } + + /* only reload if the channel is still running... our buffer done + * routine may have altered the state by requesting the dma channel + * to stop or shutdown... */ + + /* todo: check that when the channel is shut-down from inside this + * function, we cope with unsetting reload, etc */ + + if (chan->next != NULL && chan->state != S3C2410_DMA_IDLE) { + unsigned long flags; + + switch (chan->load_state) { + case S3C2410_DMALOAD_1RUNNING: + /* don't need to do anything for this state */ + break; + + case S3C2410_DMALOAD_NONE: + /* can load buffer immediately */ + break; + + case S3C2410_DMALOAD_1LOADED: + if (s3c2410_dma_waitforload(chan, __LINE__) == 0) { + /* flag error? */ + printk(KERN_ERR "dma%d: timeout waiting for load (%s)\n", + chan->number, __func__); + return IRQ_HANDLED; + } + + break; + + case S3C2410_DMALOAD_1LOADED_1RUNNING: + goto no_load; + + default: + printk(KERN_ERR "dma%d: unknown load_state in irq, %d\n", + chan->number, chan->load_state); + return IRQ_HANDLED; + } + + local_irq_save(flags); + s3c2410_dma_loadbuffer(chan, chan->next); + local_irq_restore(flags); + } else { + s3c2410_dma_lastxfer(chan); + + /* see if we can stop this channel.. */ + if (chan->load_state == S3C2410_DMALOAD_NONE) { + pr_debug("dma%d: end of transfer, stopping channel (%ld)\n", + chan->number, jiffies); + s3c2410_dma_ctrl(chan->number | DMACH_LOW_LEVEL, + S3C2410_DMAOP_STOP); + } + } + + no_load: + return IRQ_HANDLED; +} + +static struct s3c2410_dma_chan *s3c2410_dma_map_channel(int channel); + +/* s3c2410_request_dma + * + * get control of an dma channel +*/ + +int s3c2410_dma_request(enum dma_ch channel, + struct s3c2410_dma_client *client, + void *dev) +{ + struct s3c2410_dma_chan *chan; + unsigned long flags; + int err; + + pr_debug("dma%d: s3c2410_request_dma: client=%s, dev=%p\n", + channel, client->name, dev); + + local_irq_save(flags); + + chan = s3c2410_dma_map_channel(channel); + if (chan == NULL) { + local_irq_restore(flags); + return -EBUSY; + } + + dbg_showchan(chan); + + chan->client = client; + chan->in_use = 1; + + if (!chan->irq_claimed) { + pr_debug("dma%d: %s : requesting irq %d\n", + channel, __func__, chan->irq); + + chan->irq_claimed = 1; + local_irq_restore(flags); + + err = request_irq(chan->irq, s3c2410_dma_irq, 0, + client->name, (void *)chan); + + local_irq_save(flags); + + if (err) { + chan->in_use = 0; + chan->irq_claimed = 0; + local_irq_restore(flags); + + printk(KERN_ERR "%s: cannot get IRQ %d for DMA %d\n", + client->name, chan->irq, chan->number); + return err; + } + + chan->irq_enabled = 1; + } + + local_irq_restore(flags); + + /* need to setup */ + + pr_debug("%s: channel initialised, %p\n", __func__, chan); + + return chan->number | DMACH_LOW_LEVEL; +} + +EXPORT_SYMBOL(s3c2410_dma_request); + +/* s3c2410_dma_free + * + * release the given channel back to the system, will stop and flush + * any outstanding transfers, and ensure the channel is ready for the + * next claimant. + * + * Note, although a warning is currently printed if the freeing client + * info is not the same as the registrant's client info, the free is still + * allowed to go through. +*/ + +int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *client) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + unsigned long flags; + + if (chan == NULL) + return -EINVAL; + + local_irq_save(flags); + + if (chan->client != client) { + printk(KERN_WARNING "dma%d: possible free from different client (channel %p, passed %p)\n", + channel, chan->client, client); + } + + /* sort out stopping and freeing the channel */ + + if (chan->state != S3C2410_DMA_IDLE) { + pr_debug("%s: need to stop dma channel %p\n", + __func__, chan); + + /* possibly flush the channel */ + s3c2410_dma_ctrl(channel, S3C2410_DMAOP_STOP); + } + + chan->client = NULL; + chan->in_use = 0; + + if (chan->irq_claimed) + free_irq(chan->irq, (void *)chan); + + chan->irq_claimed = 0; + + if (!(channel & DMACH_LOW_LEVEL)) + s3c_dma_chan_map[channel] = NULL; + + local_irq_restore(flags); + + return 0; +} + +EXPORT_SYMBOL(s3c2410_dma_free); + +static int s3c2410_dma_dostop(struct s3c2410_dma_chan *chan) +{ + unsigned long flags; + unsigned long tmp; + + pr_debug("%s:\n", __func__); + + dbg_showchan(chan); + + local_irq_save(flags); + + s3c2410_dma_call_op(chan, S3C2410_DMAOP_STOP); + + tmp = dma_rdreg(chan, S3C2410_DMA_DMASKTRIG); + tmp |= S3C2410_DMASKTRIG_STOP; + //tmp &= ~S3C2410_DMASKTRIG_ON; + dma_wrreg(chan, S3C2410_DMA_DMASKTRIG, tmp); + +#if 0 + /* should also clear interrupts, according to WinCE BSP */ + tmp = dma_rdreg(chan, S3C2410_DMA_DCON); + tmp |= S3C2410_DCON_NORELOAD; + dma_wrreg(chan, S3C2410_DMA_DCON, tmp); +#endif + + /* should stop do this, or should we wait for flush? */ + chan->state = S3C2410_DMA_IDLE; + chan->load_state = S3C2410_DMALOAD_NONE; + + local_irq_restore(flags); + + return 0; +} + +static void s3c2410_dma_waitforstop(struct s3c2410_dma_chan *chan) +{ + unsigned long tmp; + unsigned int timeout = 0x10000; + + while (timeout-- > 0) { + tmp = dma_rdreg(chan, S3C2410_DMA_DMASKTRIG); + + if (!(tmp & S3C2410_DMASKTRIG_ON)) + return; + } + + pr_debug("dma%d: failed to stop?\n", chan->number); +} + + +/* s3c2410_dma_flush + * + * stop the channel, and remove all current and pending transfers +*/ + +static int s3c2410_dma_flush(struct s3c2410_dma_chan *chan) +{ + struct s3c2410_dma_buf *buf, *next; + unsigned long flags; + + pr_debug("%s: chan %p (%d)\n", __func__, chan, chan->number); + + dbg_showchan(chan); + + local_irq_save(flags); + + if (chan->state != S3C2410_DMA_IDLE) { + pr_debug("%s: stopping channel...\n", __func__ ); + s3c2410_dma_ctrl(chan->number, S3C2410_DMAOP_STOP); + } + + buf = chan->curr; + if (buf == NULL) + buf = chan->next; + + chan->curr = chan->next = chan->end = NULL; + + if (buf != NULL) { + for ( ; buf != NULL; buf = next) { + next = buf->next; + + pr_debug("%s: free buffer %p, next %p\n", + __func__, buf, buf->next); + + s3c2410_dma_buffdone(chan, buf, S3C2410_RES_ABORT); + s3c2410_dma_freebuf(buf); + } + } + + dbg_showregs(chan); + + s3c2410_dma_waitforstop(chan); + +#if 0 + /* should also clear interrupts, according to WinCE BSP */ + { + unsigned long tmp; + + tmp = dma_rdreg(chan, S3C2410_DMA_DCON); + tmp |= S3C2410_DCON_NORELOAD; + dma_wrreg(chan, S3C2410_DMA_DCON, tmp); + } +#endif + + dbg_showregs(chan); + + local_irq_restore(flags); + + return 0; +} + +static int s3c2410_dma_started(struct s3c2410_dma_chan *chan) +{ + unsigned long flags; + + local_irq_save(flags); + + dbg_showchan(chan); + + /* if we've only loaded one buffer onto the channel, then chec + * to see if we have another, and if so, try and load it so when + * the first buffer is finished, the new one will be loaded onto + * the channel */ + + if (chan->next != NULL) { + if (chan->load_state == S3C2410_DMALOAD_1LOADED) { + + if (s3c2410_dma_waitforload(chan, __LINE__) == 0) { + pr_debug("%s: buff not yet loaded, no more todo\n", + __func__); + } else { + chan->load_state = S3C2410_DMALOAD_1RUNNING; + s3c2410_dma_loadbuffer(chan, chan->next); + } + + } else if (chan->load_state == S3C2410_DMALOAD_1RUNNING) { + s3c2410_dma_loadbuffer(chan, chan->next); + } + } + + + local_irq_restore(flags); + + return 0; + +} + +int +s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + + if (chan == NULL) + return -EINVAL; + + switch (op) { + case S3C2410_DMAOP_START: + return s3c2410_dma_start(chan); + + case S3C2410_DMAOP_STOP: + return s3c2410_dma_dostop(chan); + + case S3C2410_DMAOP_PAUSE: + case S3C2410_DMAOP_RESUME: + return -ENOENT; + + case S3C2410_DMAOP_FLUSH: + return s3c2410_dma_flush(chan); + + case S3C2410_DMAOP_STARTED: + return s3c2410_dma_started(chan); + + case S3C2410_DMAOP_TIMEOUT: + return 0; + + } + + return -ENOENT; /* unknown, don't bother */ +} + +EXPORT_SYMBOL(s3c2410_dma_ctrl); + +/* DMA configuration for each channel + * + * DISRCC -> source of the DMA (AHB,APB) + * DISRC -> source address of the DMA + * DIDSTC -> destination of the DMA (AHB,APD) + * DIDST -> destination address of the DMA +*/ + +/* s3c2410_dma_config + * + * xfersize: size of unit in bytes (1,2,4) +*/ + +int s3c2410_dma_config(enum dma_ch channel, + int xferunit) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + unsigned int dcon; + + pr_debug("%s: chan=%d, xfer_unit=%d\n", __func__, channel, xferunit); + + if (chan == NULL) + return -EINVAL; + + dcon = chan->dcon & dma_sel.dcon_mask; + pr_debug("%s: dcon is %08x\n", __func__, dcon); + + switch (chan->req_ch) { + case DMACH_I2S_IN: + case DMACH_I2S_OUT: + case DMACH_PCM_IN: + case DMACH_PCM_OUT: + case DMACH_MIC_IN: + default: + dcon |= S3C2410_DCON_HANDSHAKE; + dcon |= S3C2410_DCON_SYNC_PCLK; + break; + + case DMACH_SDI: + /* note, ensure if need HANDSHAKE or not */ + dcon |= S3C2410_DCON_SYNC_PCLK; + break; + + case DMACH_XD0: + case DMACH_XD1: + dcon |= S3C2410_DCON_HANDSHAKE; + dcon |= S3C2410_DCON_SYNC_HCLK; + break; + } + + switch (xferunit) { + case 1: + dcon |= S3C2410_DCON_BYTE; + break; + + case 2: + dcon |= S3C2410_DCON_HALFWORD; + break; + + case 4: + dcon |= S3C2410_DCON_WORD; + break; + + default: + pr_debug("%s: bad transfer size %d\n", __func__, xferunit); + return -EINVAL; + } + + dcon |= S3C2410_DCON_HWTRIG; + dcon |= S3C2410_DCON_INTREQ; + + pr_debug("%s: dcon now %08x\n", __func__, dcon); + + chan->dcon = dcon; + chan->xfer_unit = xferunit; + + return 0; +} + +EXPORT_SYMBOL(s3c2410_dma_config); + + +/* s3c2410_dma_devconfig + * + * configure the dma source/destination hardware type and address + * + * source: DMA_FROM_DEVICE: source is hardware + * DMA_TO_DEVICE: source is memory + * + * devaddr: physical address of the source +*/ + +int s3c2410_dma_devconfig(enum dma_ch channel, + enum dma_data_direction source, + unsigned long devaddr) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + unsigned int hwcfg; + + if (chan == NULL) + return -EINVAL; + + pr_debug("%s: source=%d, devaddr=%08lx\n", + __func__, (int)source, devaddr); + + chan->source = source; + chan->dev_addr = devaddr; + + switch (chan->req_ch) { + case DMACH_XD0: + case DMACH_XD1: + hwcfg = 0; /* AHB */ + break; + + default: + hwcfg = S3C2410_DISRCC_APB; + } + + /* always assume our peripheral desintation is a fixed + * address in memory. */ + hwcfg |= S3C2410_DISRCC_INC; + + switch (source) { + case DMA_FROM_DEVICE: + /* source is hardware */ + pr_debug("%s: hw source, devaddr=%08lx, hwcfg=%d\n", + __func__, devaddr, hwcfg); + dma_wrreg(chan, S3C2410_DMA_DISRCC, hwcfg & 3); + dma_wrreg(chan, S3C2410_DMA_DISRC, devaddr); + dma_wrreg(chan, S3C2410_DMA_DIDSTC, (0<<1) | (0<<0)); + + chan->addr_reg = dma_regaddr(chan, S3C2410_DMA_DIDST); + break; + + case DMA_TO_DEVICE: + /* source is memory */ + pr_debug("%s: mem source, devaddr=%08lx, hwcfg=%d\n", + __func__, devaddr, hwcfg); + dma_wrreg(chan, S3C2410_DMA_DISRCC, (0<<1) | (0<<0)); + dma_wrreg(chan, S3C2410_DMA_DIDST, devaddr); + dma_wrreg(chan, S3C2410_DMA_DIDSTC, hwcfg & 3); + + chan->addr_reg = dma_regaddr(chan, S3C2410_DMA_DISRC); + break; + + default: + printk(KERN_ERR "dma%d: invalid source type (%d)\n", + channel, source); + + return -EINVAL; + } + + return 0; +} + +EXPORT_SYMBOL(s3c2410_dma_devconfig); + +/* s3c2410_dma_getposition + * + * returns the current transfer points for the dma source and destination +*/ + +int s3c2410_dma_getposition(enum dma_ch channel, dma_addr_t *src, dma_addr_t *dst) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + + if (chan == NULL) + return -EINVAL; + + if (src != NULL) + *src = dma_rdreg(chan, S3C2410_DMA_DCSRC); + + if (dst != NULL) + *dst = dma_rdreg(chan, S3C2410_DMA_DCDST); + + return 0; +} + +EXPORT_SYMBOL(s3c2410_dma_getposition); + +/* system core operations */ + +#ifdef CONFIG_PM + +static void s3c2410_dma_suspend_chan(struct s3c2410_dma_chan *cp) +{ + printk(KERN_DEBUG "suspending dma channel %d\n", cp->number); + + if (dma_rdreg(cp, S3C2410_DMA_DMASKTRIG) & S3C2410_DMASKTRIG_ON) { + /* the dma channel is still working, which is probably + * a bad thing to do over suspend/resume. We stop the + * channel and assume that the client is either going to + * retry after resume, or that it is broken. + */ + + printk(KERN_INFO "dma: stopping channel %d due to suspend\n", + cp->number); + + s3c2410_dma_dostop(cp); + } +} + +static int s3c2410_dma_suspend(void) +{ + struct s3c2410_dma_chan *cp = s3c2410_chans; + int channel; + + for (channel = 0; channel < dma_channels; cp++, channel++) + s3c2410_dma_suspend_chan(cp); + + return 0; +} + +static void s3c2410_dma_resume_chan(struct s3c2410_dma_chan *cp) +{ + unsigned int no = cp->number | DMACH_LOW_LEVEL; + + /* restore channel's hardware configuration */ + + if (!cp->in_use) + return; + + printk(KERN_INFO "dma%d: restoring configuration\n", cp->number); + + s3c2410_dma_config(no, cp->xfer_unit); + s3c2410_dma_devconfig(no, cp->source, cp->dev_addr); + + /* re-select the dma source for this channel */ + + if (cp->map != NULL) + dma_sel.select(cp, cp->map); +} + +static void s3c2410_dma_resume(void) +{ + struct s3c2410_dma_chan *cp = s3c2410_chans + dma_channels - 1; + int channel; + + for (channel = dma_channels - 1; channel >= 0; cp--, channel--) + s3c2410_dma_resume_chan(cp); +} + +#else +#define s3c2410_dma_suspend NULL +#define s3c2410_dma_resume NULL +#endif /* CONFIG_PM */ + +struct syscore_ops dma_syscore_ops = { + .suspend = s3c2410_dma_suspend, + .resume = s3c2410_dma_resume, +}; + +/* kmem cache implementation */ + +static void s3c2410_dma_cache_ctor(void *p) +{ + memset(p, 0, sizeof(struct s3c2410_dma_buf)); +} + +/* initialisation code */ + +static int __init s3c24xx_dma_syscore_init(void) +{ + register_syscore_ops(&dma_syscore_ops); + + return 0; +} + +late_initcall(s3c24xx_dma_syscore_init); + +int __init s3c24xx_dma_init(unsigned int channels, unsigned int irq, + unsigned int stride) +{ + struct s3c2410_dma_chan *cp; + int channel; + int ret; + + printk("S3C24XX DMA Driver, Copyright 2003-2006 Simtec Electronics\n"); + + dma_channels = channels; + + dma_base = ioremap(S3C24XX_PA_DMA, stride * channels); + if (dma_base == NULL) { + printk(KERN_ERR "dma failed to remap register block\n"); + return -ENOMEM; + } + + dma_kmem = kmem_cache_create("dma_desc", + sizeof(struct s3c2410_dma_buf), 0, + SLAB_HWCACHE_ALIGN, + s3c2410_dma_cache_ctor); + + if (dma_kmem == NULL) { + printk(KERN_ERR "dma failed to make kmem cache\n"); + ret = -ENOMEM; + goto err; + } + + for (channel = 0; channel < channels; channel++) { + cp = &s3c2410_chans[channel]; + + memset(cp, 0, sizeof(struct s3c2410_dma_chan)); + + /* dma channel irqs are in order.. */ + cp->number = channel; + cp->irq = channel + irq; + cp->regs = dma_base + (channel * stride); + + /* point current stats somewhere */ + cp->stats = &cp->stats_store; + cp->stats_store.timeout_shortest = LONG_MAX; + + /* basic channel configuration */ + + cp->load_timeout = 1<<18; + + printk("DMA channel %d at %p, irq %d\n", + cp->number, cp->regs, cp->irq); + } + + return 0; + + err: + kmem_cache_destroy(dma_kmem); + iounmap(dma_base); + dma_base = NULL; + return ret; +} + +int __init s3c2410_dma_init(void) +{ + return s3c24xx_dma_init(4, IRQ_DMA0, 0x40); +} + +static inline int is_channel_valid(unsigned int channel) +{ + return (channel & DMA_CH_VALID); +} + +static struct s3c24xx_dma_order *dma_order; + + +/* s3c2410_dma_map_channel() + * + * turn the virtual channel number into a real, and un-used hardware + * channel. + * + * first, try the dma ordering given to us by either the relevant + * dma code, or the board. Then just find the first usable free + * channel +*/ + +static struct s3c2410_dma_chan *s3c2410_dma_map_channel(int channel) +{ + struct s3c24xx_dma_order_ch *ord = NULL; + struct s3c24xx_dma_map *ch_map; + struct s3c2410_dma_chan *dmach; + int ch; + + if (dma_sel.map == NULL || channel > dma_sel.map_size) + return NULL; + + ch_map = dma_sel.map + channel; + + /* first, try the board mapping */ + + if (dma_order) { + ord = &dma_order->channels[channel]; + + for (ch = 0; ch < dma_channels; ch++) { + int tmp; + if (!is_channel_valid(ord->list[ch])) + continue; + + tmp = ord->list[ch] & ~DMA_CH_VALID; + if (s3c2410_chans[tmp].in_use == 0) { + ch = tmp; + goto found; + } + } + + if (ord->flags & DMA_CH_NEVER) + return NULL; + } + + /* second, search the channel map for first free */ + + for (ch = 0; ch < dma_channels; ch++) { + if (!is_channel_valid(ch_map->channels[ch])) + continue; + + if (s3c2410_chans[ch].in_use == 0) { + printk("mapped channel %d to %d\n", channel, ch); + break; + } + } + + if (ch >= dma_channels) + return NULL; + + /* update our channel mapping */ + + found: + dmach = &s3c2410_chans[ch]; + dmach->map = ch_map; + dmach->req_ch = channel; + s3c_dma_chan_map[channel] = dmach; + + /* select the channel */ + + (dma_sel.select)(dmach, ch_map); + + return dmach; +} + +static int s3c24xx_dma_check_entry(struct s3c24xx_dma_map *map, int ch) +{ + return 0; +} + +int __init s3c24xx_dma_init_map(struct s3c24xx_dma_selection *sel) +{ + struct s3c24xx_dma_map *nmap; + size_t map_sz = sizeof(*nmap) * sel->map_size; + int ptr; + + nmap = kmemdup(sel->map, map_sz, GFP_KERNEL); + if (nmap == NULL) + return -ENOMEM; + + memcpy(&dma_sel, sel, sizeof(*sel)); + + dma_sel.map = nmap; + + for (ptr = 0; ptr < sel->map_size; ptr++) + s3c24xx_dma_check_entry(nmap+ptr, ptr); + + return 0; +} + +int __init s3c24xx_dma_order_set(struct s3c24xx_dma_order *ord) +{ + struct s3c24xx_dma_order *nord = dma_order; + + if (nord == NULL) + nord = kmalloc(sizeof(struct s3c24xx_dma_order), GFP_KERNEL); + + if (nord == NULL) { + printk(KERN_ERR "no memory to store dma channel order\n"); + return -ENOMEM; + } + + dma_order = nord; + memcpy(nord, ord, sizeof(struct s3c24xx_dma_order)); + return 0; +} diff --git a/arch/arm/mach-s3c24xx/gta02.h b/arch/arm/mach-s3c24xx/gta02.h new file mode 100644 index 00000000000..9430a71e918 --- /dev/null +++ b/arch/arm/mach-s3c24xx/gta02.h @@ -0,0 +1,23 @@ +/* + * GTA02 header + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __MACH_S3C24XX_GTA02_H +#define __MACH_S3C24XX_GTA02_H __FILE__ + +#include <mach/regs-gpio.h> + +#define GTA02_GPIO_AUX_LED S3C2410_GPB(2) +#define GTA02_GPIO_USB_PULLUP S3C2410_GPB(9) +#define GTA02_GPIO_AUX_KEY S3C2410_GPF(6) +#define GTA02_GPIO_HOLD_KEY S3C2410_GPF(7) +#define GTA02_GPIO_AMP_SHUT S3C2410_GPJ(1) /* v2 + v3 + v4 only */ +#define GTA02_GPIO_HP_IN S3C2410_GPJ(2) /* v2 + v3 + v4 only */ + +#define GTA02_IRQ_PCF50633 IRQ_EINT9 + +#endif /* __MACH_S3C24XX_GTA02_H */ diff --git a/arch/arm/mach-s3c24xx/h1940-bluetooth.c b/arch/arm/mach-s3c24xx/h1940-bluetooth.c new file mode 100644 index 00000000000..b4d14b86436 --- /dev/null +++ b/arch/arm/mach-s3c24xx/h1940-bluetooth.c @@ -0,0 +1,147 @@ +/* + * arch/arm/mach-s3c2410/h1940-bluetooth.c + * Copyright (c) Arnaud Patard <arnaud.patard@rtp-net.org> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + * + * S3C2410 bluetooth "driver" + * + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/string.h> +#include <linux/ctype.h> +#include <linux/leds.h> +#include <linux/gpio.h> +#include <linux/rfkill.h> + +#include <plat/gpio-cfg.h> +#include <mach/hardware.h> +#include <mach/regs-gpio.h> +#include <mach/gpio-samsung.h> + +#include "h1940.h" + +#define DRV_NAME "h1940-bt" + +/* Bluetooth control */ +static void h1940bt_enable(int on) +{ + if (on) { + /* Power on the chip */ + gpio_set_value(H1940_LATCH_BLUETOOTH_POWER, 1); + /* Reset the chip */ + mdelay(10); + + gpio_set_value(S3C2410_GPH(1), 1); + mdelay(10); + gpio_set_value(S3C2410_GPH(1), 0); + + h1940_led_blink_set(-EINVAL, GPIO_LED_BLINK, NULL, NULL); + } + else { + gpio_set_value(S3C2410_GPH(1), 1); + mdelay(10); + gpio_set_value(S3C2410_GPH(1), 0); + mdelay(10); + gpio_set_value(H1940_LATCH_BLUETOOTH_POWER, 0); + + h1940_led_blink_set(-EINVAL, GPIO_LED_NO_BLINK_LOW, NULL, NULL); + } +} + +static int h1940bt_set_block(void *data, bool blocked) +{ + h1940bt_enable(!blocked); + return 0; +} + +static const struct rfkill_ops h1940bt_rfkill_ops = { + .set_block = h1940bt_set_block, +}; + +static int h1940bt_probe(struct platform_device *pdev) +{ + struct rfkill *rfk; + int ret = 0; + + ret = gpio_request(S3C2410_GPH(1), dev_name(&pdev->dev)); + if (ret) { + dev_err(&pdev->dev, "could not get GPH1\n"); + return ret; + } + + ret = gpio_request(H1940_LATCH_BLUETOOTH_POWER, dev_name(&pdev->dev)); + if (ret) { + gpio_free(S3C2410_GPH(1)); + dev_err(&pdev->dev, "could not get BT_POWER\n"); + return ret; + } + + /* Configures BT serial port GPIOs */ + s3c_gpio_cfgpin(S3C2410_GPH(0), S3C2410_GPH0_nCTS0); + s3c_gpio_setpull(S3C2410_GPH(0), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpin(S3C2410_GPH(1), S3C2410_GPIO_OUTPUT); + s3c_gpio_setpull(S3C2410_GPH(1), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpin(S3C2410_GPH(2), S3C2410_GPH2_TXD0); + s3c_gpio_setpull(S3C2410_GPH(2), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpin(S3C2410_GPH(3), S3C2410_GPH3_RXD0); + s3c_gpio_setpull(S3C2410_GPH(3), S3C_GPIO_PULL_NONE); + + rfk = rfkill_alloc(DRV_NAME, &pdev->dev, RFKILL_TYPE_BLUETOOTH, + &h1940bt_rfkill_ops, NULL); + if (!rfk) { + ret = -ENOMEM; + goto err_rfk_alloc; + } + + ret = rfkill_register(rfk); + if (ret) + goto err_rfkill; + + platform_set_drvdata(pdev, rfk); + + return 0; + +err_rfkill: + rfkill_destroy(rfk); +err_rfk_alloc: + return ret; +} + +static int h1940bt_remove(struct platform_device *pdev) +{ + struct rfkill *rfk = platform_get_drvdata(pdev); + + platform_set_drvdata(pdev, NULL); + gpio_free(S3C2410_GPH(1)); + + if (rfk) { + rfkill_unregister(rfk); + rfkill_destroy(rfk); + } + rfk = NULL; + + h1940bt_enable(0); + + return 0; +} + + +static struct platform_driver h1940bt_driver = { + .driver = { + .name = DRV_NAME, + }, + .probe = h1940bt_probe, + .remove = h1940bt_remove, +}; + +module_platform_driver(h1940bt_driver); + +MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>"); +MODULE_DESCRIPTION("Driver for the iPAQ H1940 bluetooth chip"); +MODULE_LICENSE("GPL"); diff --git a/arch/arm/mach-s3c24xx/h1940.h b/arch/arm/mach-s3c24xx/h1940.h new file mode 100644 index 00000000000..2950cc46684 --- /dev/null +++ b/arch/arm/mach-s3c24xx/h1940.h @@ -0,0 +1,53 @@ +/* + * Copyright 2006 Ben Dooks <ben-linux@fluff.org> + * + * Copyright (c) 2005 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * iPAQ H1940 series definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __MACH_S3C24XX_H1940_H +#define __MACH_S3C24XX_H1940_H __FILE__ + +#define H1940_SUSPEND_CHECKSUM (0x30003ff8) +#define H1940_SUSPEND_RESUMEAT (0x30081000) +#define H1940_SUSPEND_CHECK (0x30080000) + +extern void h1940_pm_return(void); +extern int h1940_led_blink_set(unsigned gpio, int state, + unsigned long *delay_on, + unsigned long *delay_off); + +#include <linux/gpio.h> + +#define H1940_LATCH_GPIO(x) (S3C_GPIO_END + (x)) + +/* SD layer latch */ + +#define H1940_LATCH_LCD_P0 H1940_LATCH_GPIO(0) +#define H1940_LATCH_LCD_P1 H1940_LATCH_GPIO(1) +#define H1940_LATCH_LCD_P2 H1940_LATCH_GPIO(2) +#define H1940_LATCH_LCD_P3 H1940_LATCH_GPIO(3) +#define H1940_LATCH_MAX1698_nSHUTDOWN H1940_LATCH_GPIO(4) +#define H1940_LATCH_LED_RED H1940_LATCH_GPIO(5) +#define H1940_LATCH_SDQ7 H1940_LATCH_GPIO(6) +#define H1940_LATCH_USB_DP H1940_LATCH_GPIO(7) + +/* CPU layer latch */ + +#define H1940_LATCH_UDA_POWER H1940_LATCH_GPIO(8) +#define H1940_LATCH_AUDIO_POWER H1940_LATCH_GPIO(9) +#define H1940_LATCH_SM803_ENABLE H1940_LATCH_GPIO(10) +#define H1940_LATCH_LCD_P4 H1940_LATCH_GPIO(11) +#define H1940_LATCH_SD_POWER H1940_LATCH_GPIO(12) +#define H1940_LATCH_BLUETOOTH_POWER H1940_LATCH_GPIO(13) +#define H1940_LATCH_LED_GREEN H1940_LATCH_GPIO(14) +#define H1940_LATCH_LED_FLASH H1940_LATCH_GPIO(15) + +#endif /* __MACH_S3C24XX_H1940_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/dma.h b/arch/arm/mach-s3c24xx/include/mach/dma.h new file mode 100644 index 00000000000..b55da1d8cd8 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/dma.h @@ -0,0 +1,214 @@ +/* arch/arm/mach-s3c2410/include/mach/dma.h + * + * Copyright (C) 2003-2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Samsung S3C24XX DMA support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_DMA_H +#define __ASM_ARCH_DMA_H __FILE__ + +#include <linux/device.h> + +#define MAX_DMA_TRANSFER_SIZE 0x100000 /* Data Unit is half word */ + +/* We use `virtual` dma channels to hide the fact we have only a limited + * number of DMA channels, and not of all of them (dependent on the device) + * can be attached to any DMA source. We therefore let the DMA core handle + * the allocation of hardware channels to clients. +*/ + +enum dma_ch { + DMACH_XD0 = 0, + DMACH_XD1, + DMACH_SDI, + DMACH_SPI0, + DMACH_SPI1, + DMACH_UART0, + DMACH_UART1, + DMACH_UART2, + DMACH_TIMER, + DMACH_I2S_IN, + DMACH_I2S_OUT, + DMACH_PCM_IN, + DMACH_PCM_OUT, + DMACH_MIC_IN, + DMACH_USB_EP1, + DMACH_USB_EP2, + DMACH_USB_EP3, + DMACH_USB_EP4, + DMACH_UART0_SRC2, /* s3c2412 second uart sources */ + DMACH_UART1_SRC2, + DMACH_UART2_SRC2, + DMACH_UART3, /* s3c2443 has extra uart */ + DMACH_UART3_SRC2, + DMACH_SPI0_TX, /* s3c2443/2416/2450 hsspi0 */ + DMACH_SPI0_RX, /* s3c2443/2416/2450 hsspi0 */ + DMACH_SPI1_TX, /* s3c2443/2450 hsspi1 */ + DMACH_SPI1_RX, /* s3c2443/2450 hsspi1 */ + DMACH_MAX, /* the end entry */ +}; + +static inline bool samsung_dma_has_circular(void) +{ + return false; +} + +static inline bool samsung_dma_is_dmadev(void) +{ + return false; +} + +#include <plat/dma.h> + +#define DMACH_LOW_LEVEL (1<<28) /* use this to specifiy hardware ch no */ + +/* we have 4 dma channels */ +#if !defined(CONFIG_CPU_S3C2443) && !defined(CONFIG_CPU_S3C2416) +#define S3C_DMA_CHANNELS (4) +#else +#define S3C_DMA_CHANNELS (6) +#endif + +/* types */ + +enum s3c2410_dma_state { + S3C2410_DMA_IDLE, + S3C2410_DMA_RUNNING, + S3C2410_DMA_PAUSED +}; + +/* enum s3c2410_dma_loadst + * + * This represents the state of the DMA engine, wrt to the loaded / running + * transfers. Since we don't have any way of knowing exactly the state of + * the DMA transfers, we need to know the state to make decisions on whether + * we can + * + * S3C2410_DMA_NONE + * + * There are no buffers loaded (the channel should be inactive) + * + * S3C2410_DMA_1LOADED + * + * There is one buffer loaded, however it has not been confirmed to be + * loaded by the DMA engine. This may be because the channel is not + * yet running, or the DMA driver decided that it was too costly to + * sit and wait for it to happen. + * + * S3C2410_DMA_1RUNNING + * + * The buffer has been confirmed running, and not finisged + * + * S3C2410_DMA_1LOADED_1RUNNING + * + * There is a buffer waiting to be loaded by the DMA engine, and one + * currently running. +*/ + +enum s3c2410_dma_loadst { + S3C2410_DMALOAD_NONE, + S3C2410_DMALOAD_1LOADED, + S3C2410_DMALOAD_1RUNNING, + S3C2410_DMALOAD_1LOADED_1RUNNING, +}; + + +/* flags */ + +#define S3C2410_DMAF_SLOW (1<<0) /* slow, so don't worry about + * waiting for reloads */ +#define S3C2410_DMAF_AUTOSTART (1<<1) /* auto-start if buffer queued */ + +#define S3C2410_DMAF_CIRCULAR (1 << 2) /* no circular dma support */ + +/* dma buffer */ + +struct s3c2410_dma_buf; + +/* s3c2410_dma_buf + * + * internally used buffer structure to describe a queued or running + * buffer. +*/ + +struct s3c2410_dma_buf { + struct s3c2410_dma_buf *next; + int magic; /* magic */ + int size; /* buffer size in bytes */ + dma_addr_t data; /* start of DMA data */ + dma_addr_t ptr; /* where the DMA got to [1] */ + void *id; /* client's id */ +}; + +/* [1] is this updated for both recv/send modes? */ + +struct s3c2410_dma_stats { + unsigned long loads; + unsigned long timeout_longest; + unsigned long timeout_shortest; + unsigned long timeout_avg; + unsigned long timeout_failed; +}; + +struct s3c2410_dma_map; + +/* struct s3c2410_dma_chan + * + * full state information for each DMA channel +*/ + +struct s3c2410_dma_chan { + /* channel state flags and information */ + unsigned char number; /* number of this dma channel */ + unsigned char in_use; /* channel allocated */ + unsigned char irq_claimed; /* irq claimed for channel */ + unsigned char irq_enabled; /* irq enabled for channel */ + unsigned char xfer_unit; /* size of an transfer */ + + /* channel state */ + + enum s3c2410_dma_state state; + enum s3c2410_dma_loadst load_state; + struct s3c2410_dma_client *client; + + /* channel configuration */ + enum dma_data_direction source; + enum dma_ch req_ch; + unsigned long dev_addr; + unsigned long load_timeout; + unsigned int flags; /* channel flags */ + + struct s3c24xx_dma_map *map; /* channel hw maps */ + + /* channel's hardware position and configuration */ + void __iomem *regs; /* channels registers */ + void __iomem *addr_reg; /* data address register */ + unsigned int irq; /* channel irq */ + unsigned long dcon; /* default value of DCON */ + + /* driver handles */ + s3c2410_dma_cbfn_t callback_fn; /* buffer done callback */ + s3c2410_dma_opfn_t op_fn; /* channel op callback */ + + /* stats gathering */ + struct s3c2410_dma_stats *stats; + struct s3c2410_dma_stats stats_store; + + /* buffer list and information */ + struct s3c2410_dma_buf *curr; /* current dma buffer */ + struct s3c2410_dma_buf *next; /* next buffer to load */ + struct s3c2410_dma_buf *end; /* end of queue */ + + /* system device */ + struct device dev; +}; + +typedef unsigned long dma_device_t; + +#endif /* __ASM_ARCH_DMA_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/fb.h b/arch/arm/mach-s3c24xx/include/mach/fb.h new file mode 100644 index 00000000000..a957bc8ed44 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/fb.h @@ -0,0 +1 @@ +#include <plat/fb-s3c2410.h> diff --git a/arch/arm/mach-s3c24xx/include/mach/gpio-samsung.h b/arch/arm/mach-s3c24xx/include/mach/gpio-samsung.h new file mode 100644 index 00000000000..528fcdc4f63 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/gpio-samsung.h @@ -0,0 +1,104 @@ +/* + * Copyright (c) 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 - GPIO lib support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/* some boards require extra gpio capacity to support external + * devices that need GPIO. + */ + +#ifndef GPIO_SAMSUNG_S3C24XX_H +#define GPIO_SAMSUNG_S3C24XX_H + +/* + * GPIO sizes for various SoCs: + * + * 2410 2412 2440 2443 2416 + * 2442 + * ---- ---- ---- ---- ---- + * A 23 22 25 16 27 + * B 11 11 11 11 11 + * C 16 16 16 16 16 + * D 16 16 16 16 16 + * E 16 16 16 16 16 + * F 8 8 8 8 8 + * G 16 16 16 16 8 + * H 11 11 11 15 15 + * J -- -- 13 16 -- + * K -- -- -- -- 16 + * L -- -- -- 15 14 + * M -- -- -- 2 2 + */ + +/* GPIO bank sizes */ + +#define S3C2410_GPIO_A_NR (32) +#define S3C2410_GPIO_B_NR (32) +#define S3C2410_GPIO_C_NR (32) +#define S3C2410_GPIO_D_NR (32) +#define S3C2410_GPIO_E_NR (32) +#define S3C2410_GPIO_F_NR (32) +#define S3C2410_GPIO_G_NR (32) +#define S3C2410_GPIO_H_NR (32) +#define S3C2410_GPIO_J_NR (32) /* technically 16. */ +#define S3C2410_GPIO_K_NR (32) /* technically 16. */ +#define S3C2410_GPIO_L_NR (32) /* technically 15. */ +#define S3C2410_GPIO_M_NR (32) /* technically 2. */ + +#if CONFIG_S3C_GPIO_SPACE != 0 +#error CONFIG_S3C_GPIO_SPACE cannot be nonzero at the moment +#endif + +#define S3C2410_GPIO_NEXT(__gpio) \ + ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 0) + +#ifndef __ASSEMBLY__ + +enum s3c_gpio_number { + S3C2410_GPIO_A_START = 0, + S3C2410_GPIO_B_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_A), + S3C2410_GPIO_C_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_B), + S3C2410_GPIO_D_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_C), + S3C2410_GPIO_E_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_D), + S3C2410_GPIO_F_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_E), + S3C2410_GPIO_G_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_F), + S3C2410_GPIO_H_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_G), + S3C2410_GPIO_J_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_H), + S3C2410_GPIO_K_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_J), + S3C2410_GPIO_L_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_K), + S3C2410_GPIO_M_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_L), +}; + +#endif /* __ASSEMBLY__ */ + +/* S3C2410 GPIO number definitions. */ + +#define S3C2410_GPA(_nr) (S3C2410_GPIO_A_START + (_nr)) +#define S3C2410_GPB(_nr) (S3C2410_GPIO_B_START + (_nr)) +#define S3C2410_GPC(_nr) (S3C2410_GPIO_C_START + (_nr)) +#define S3C2410_GPD(_nr) (S3C2410_GPIO_D_START + (_nr)) +#define S3C2410_GPE(_nr) (S3C2410_GPIO_E_START + (_nr)) +#define S3C2410_GPF(_nr) (S3C2410_GPIO_F_START + (_nr)) +#define S3C2410_GPG(_nr) (S3C2410_GPIO_G_START + (_nr)) +#define S3C2410_GPH(_nr) (S3C2410_GPIO_H_START + (_nr)) +#define S3C2410_GPJ(_nr) (S3C2410_GPIO_J_START + (_nr)) +#define S3C2410_GPK(_nr) (S3C2410_GPIO_K_START + (_nr)) +#define S3C2410_GPL(_nr) (S3C2410_GPIO_L_START + (_nr)) +#define S3C2410_GPM(_nr) (S3C2410_GPIO_M_START + (_nr)) + +#ifdef CONFIG_CPU_S3C244X +#define S3C_GPIO_END (S3C2410_GPJ(0) + 32) +#elif defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416) +#define S3C_GPIO_END (S3C2410_GPM(0) + 32) +#else +#define S3C_GPIO_END (S3C2410_GPH(0) + 32) +#endif + +#endif /* GPIO_SAMSUNG_S3C24XX_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/hardware.h b/arch/arm/mach-s3c24xx/include/mach/hardware.h new file mode 100644 index 00000000000..dedd3837c19 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/hardware.h @@ -0,0 +1,24 @@ +/* + * Copyright (c) 2003 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 - hardware + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +#ifndef __ASSEMBLY__ + +extern unsigned int s3c2410_modify_misccr(unsigned int clr, unsigned int chg); + +#endif /* __ASSEMBLY__ */ + +#include <asm/sizes.h> +#include <mach/map.h> + +#endif /* __ASM_ARCH_HARDWARE_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/io.h b/arch/arm/mach-s3c24xx/include/mach/io.h new file mode 100644 index 00000000000..5dd1db4e267 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/io.h @@ -0,0 +1,211 @@ +/* + * arch/arm/mach-s3c2410/include/mach/io.h + * from arch/arm/mach-rpc/include/mach/io.h + * + * Copyright (C) 1997 Russell King + * (C) 2003 Simtec Electronics +*/ + +#ifndef __ASM_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#include <mach/hardware.h> + +#define IO_SPACE_LIMIT 0xffffffff + +/* + * We use two different types of addressing - PC style addresses, and ARM + * addresses. PC style accesses the PC hardware with the normal PC IO + * addresses, eg 0x3f8 for serial#1. ARM addresses are above A28 + * and are translated to the start of IO. Note that all addresses are + * not shifted left! + */ + +#define __PORT_PCIO(x) ((x) < (1<<28)) + +#define PCIO_BASE (S3C24XX_VA_ISA_WORD) +#define PCIO_BASE_b (S3C24XX_VA_ISA_BYTE) +#define PCIO_BASE_w (S3C24XX_VA_ISA_WORD) +#define PCIO_BASE_l (S3C24XX_VA_ISA_WORD) +/* + * Dynamic IO functions - let the compiler + * optimize the expressions + */ + +#define DECLARE_DYN_OUT(sz,fnsuffix,instr) \ +static inline void __out##fnsuffix (unsigned int val, unsigned int port) \ +{ \ + unsigned long temp; \ + __asm__ __volatile__( \ + "cmp %2, #(1<<28)\n\t" \ + "mov %0, %2\n\t" \ + "addcc %0, %0, %3\n\t" \ + "str" instr " %1, [%0, #0 ] @ out" #fnsuffix \ + : "=&r" (temp) \ + : "r" (val), "r" (port), "Ir" (PCIO_BASE_##fnsuffix) \ + : "cc"); \ +} + + +#define DECLARE_DYN_IN(sz,fnsuffix,instr) \ +static inline unsigned sz __in##fnsuffix (unsigned int port) \ +{ \ + unsigned long temp, value; \ + __asm__ __volatile__( \ + "cmp %2, #(1<<28)\n\t" \ + "mov %0, %2\n\t" \ + "addcc %0, %0, %3\n\t" \ + "ldr" instr " %1, [%0, #0 ] @ in" #fnsuffix \ + : "=&r" (temp), "=r" (value) \ + : "r" (port), "Ir" (PCIO_BASE_##fnsuffix) \ + : "cc"); \ + return (unsigned sz)value; \ +} + +static inline void __iomem *__ioaddr (unsigned long port) +{ + return __PORT_PCIO(port) ? (PCIO_BASE + port) : (void __iomem *)port; +} + +#define DECLARE_IO(sz,fnsuffix,instr) \ + DECLARE_DYN_IN(sz,fnsuffix,instr) \ + DECLARE_DYN_OUT(sz,fnsuffix,instr) + +DECLARE_IO(char,b,"b") +DECLARE_IO(short,w,"h") +DECLARE_IO(int,l,"") + +#undef DECLARE_IO +#undef DECLARE_DYN_IN + +/* + * Constant address IO functions + * + * These have to be macros for the 'J' constraint to work - + * +/-4096 immediate operand. + */ +#define __outbc(value,port) \ +({ \ + if (__PORT_PCIO((port))) \ + __asm__ __volatile__( \ + "strb %0, [%1, %2] @ outbc" \ + : : "r" (value), "r" (PCIO_BASE), "Jr" ((port))); \ + else \ + __asm__ __volatile__( \ + "strb %0, [%1, #0] @ outbc" \ + : : "r" (value), "r" ((port))); \ +}) + +#define __inbc(port) \ +({ \ + unsigned char result; \ + if (__PORT_PCIO((port))) \ + __asm__ __volatile__( \ + "ldrb %0, [%1, %2] @ inbc" \ + : "=r" (result) : "r" (PCIO_BASE), "Jr" ((port))); \ + else \ + __asm__ __volatile__( \ + "ldrb %0, [%1, #0] @ inbc" \ + : "=r" (result) : "r" ((port))); \ + result; \ +}) + +#define __outwc(value,port) \ +({ \ + unsigned long v = value; \ + if (__PORT_PCIO((port))) { \ + if ((port) < 256 && (port) > -256) \ + __asm__ __volatile__( \ + "strh %0, [%1, %2] @ outwc" \ + : : "r" (v), "r" (PCIO_BASE), "Jr" ((port))); \ + else if ((port) > 0) \ + __asm__ __volatile__( \ + "strh %0, [%1, %2] @ outwc" \ + : : "r" (v), \ + "r" (PCIO_BASE + ((port) & ~0xff)), \ + "Jr" (((port) & 0xff))); \ + else \ + __asm__ __volatile__( \ + "strh %0, [%1, #0] @ outwc" \ + : : "r" (v), \ + "r" (PCIO_BASE + (port))); \ + } else \ + __asm__ __volatile__( \ + "strh %0, [%1, #0] @ outwc" \ + : : "r" (v), "r" ((port))); \ +}) + +#define __inwc(port) \ +({ \ + unsigned short result; \ + if (__PORT_PCIO((port))) { \ + if ((port) < 256 && (port) > -256 ) \ + __asm__ __volatile__( \ + "ldrh %0, [%1, %2] @ inwc" \ + : "=r" (result) \ + : "r" (PCIO_BASE), \ + "Jr" ((port))); \ + else if ((port) > 0) \ + __asm__ __volatile__( \ + "ldrh %0, [%1, %2] @ inwc" \ + : "=r" (result) \ + : "r" (PCIO_BASE + ((port) & ~0xff)), \ + "Jr" (((port) & 0xff))); \ + else \ + __asm__ __volatile__( \ + "ldrh %0, [%1, #0] @ inwc" \ + : "=r" (result) \ + : "r" (PCIO_BASE + ((port)))); \ + } else \ + __asm__ __volatile__( \ + "ldrh %0, [%1, #0] @ inwc" \ + : "=r" (result) : "r" ((port))); \ + result; \ +}) + +#define __outlc(value,port) \ +({ \ + unsigned long v = value; \ + if (__PORT_PCIO((port))) \ + __asm__ __volatile__( \ + "str %0, [%1, %2] @ outlc" \ + : : "r" (v), "r" (PCIO_BASE), "Jr" ((port))); \ + else \ + __asm__ __volatile__( \ + "str %0, [%1, #0] @ outlc" \ + : : "r" (v), "r" ((port))); \ +}) + +#define __inlc(port) \ +({ \ + unsigned long result; \ + if (__PORT_PCIO((port))) \ + __asm__ __volatile__( \ + "ldr %0, [%1, %2] @ inlc" \ + : "=r" (result) : "r" (PCIO_BASE), "Jr" ((port))); \ + else \ + __asm__ __volatile__( \ + "ldr %0, [%1, #0] @ inlc" \ + : "=r" (result) : "r" ((port))); \ + result; \ +}) + +#define __ioaddrc(port) ((__PORT_PCIO(port) ? PCIO_BASE + (port) : (void __iomem *)(port))) + +#define inb(p) (__builtin_constant_p((p)) ? __inbc(p) : __inb(p)) +#define inw(p) (__builtin_constant_p((p)) ? __inwc(p) : __inw(p)) +#define inl(p) (__builtin_constant_p((p)) ? __inlc(p) : __inl(p)) +#define outb(v,p) (__builtin_constant_p((p)) ? __outbc(v,p) : __outb(v,p)) +#define outw(v,p) (__builtin_constant_p((p)) ? __outwc(v,p) : __outw(v,p)) +#define outl(v,p) (__builtin_constant_p((p)) ? __outlc(v,p) : __outl(v,p)) +#define __ioaddr(p) (__builtin_constant_p((p)) ? __ioaddr(p) : __ioaddrc(p)) + +#define insb(p,d,l) __raw_readsb(__ioaddr(p),d,l) +#define insw(p,d,l) __raw_readsw(__ioaddr(p),d,l) +#define insl(p,d,l) __raw_readsl(__ioaddr(p),d,l) + +#define outsb(p,d,l) __raw_writesb(__ioaddr(p),d,l) +#define outsw(p,d,l) __raw_writesw(__ioaddr(p),d,l) +#define outsl(p,d,l) __raw_writesl(__ioaddr(p),d,l) + +#endif diff --git a/arch/arm/mach-s3c24xx/include/mach/irqs.h b/arch/arm/mach-s3c24xx/include/mach/irqs.h new file mode 100644 index 00000000000..b6dd4cb5a2e --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/irqs.h @@ -0,0 +1,217 @@ +/* arch/arm/mach-s3c2410/include/mach/irqs.h + * + * Copyright (c) 2003-2005 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + + +#ifndef __ASM_ARCH_IRQS_H +#define __ASM_ARCH_IRQS_H __FILE__ + +/* we keep the first set of CPU IRQs out of the range of + * the ISA space, so that the PC104 has them to itself + * and we don't end up having to do horrible things to the + * standard ISA drivers.... + */ + +#define S3C2410_CPUIRQ_OFFSET (16) + +#define S3C2410_IRQ(x) ((x) + S3C2410_CPUIRQ_OFFSET) + +/* main cpu interrupts */ +#define IRQ_EINT0 S3C2410_IRQ(0) /* 16 */ +#define IRQ_EINT1 S3C2410_IRQ(1) +#define IRQ_EINT2 S3C2410_IRQ(2) +#define IRQ_EINT3 S3C2410_IRQ(3) +#define IRQ_EINT4t7 S3C2410_IRQ(4) /* 20 */ +#define IRQ_EINT8t23 S3C2410_IRQ(5) +#define IRQ_RESERVED6 S3C2410_IRQ(6) /* for s3c2410 */ +#define IRQ_CAM S3C2410_IRQ(6) /* for s3c2440,s3c2443 */ +#define IRQ_BATT_FLT S3C2410_IRQ(7) +#define IRQ_TICK S3C2410_IRQ(8) /* 24 */ +#define IRQ_WDT S3C2410_IRQ(9) /* WDT/AC97 for s3c2443 */ +#define IRQ_TIMER0 S3C2410_IRQ(10) +#define IRQ_TIMER1 S3C2410_IRQ(11) +#define IRQ_TIMER2 S3C2410_IRQ(12) +#define IRQ_TIMER3 S3C2410_IRQ(13) +#define IRQ_TIMER4 S3C2410_IRQ(14) +#define IRQ_UART2 S3C2410_IRQ(15) +#define IRQ_LCD S3C2410_IRQ(16) /* 32 */ +#define IRQ_DMA0 S3C2410_IRQ(17) /* IRQ_DMA for s3c2443 */ +#define IRQ_DMA1 S3C2410_IRQ(18) +#define IRQ_DMA2 S3C2410_IRQ(19) +#define IRQ_DMA3 S3C2410_IRQ(20) +#define IRQ_SDI S3C2410_IRQ(21) +#define IRQ_SPI0 S3C2410_IRQ(22) +#define IRQ_UART1 S3C2410_IRQ(23) +#define IRQ_RESERVED24 S3C2410_IRQ(24) /* 40 */ +#define IRQ_NFCON S3C2410_IRQ(24) /* for s3c2440 */ +#define IRQ_USBD S3C2410_IRQ(25) +#define IRQ_USBH S3C2410_IRQ(26) +#define IRQ_IIC S3C2410_IRQ(27) +#define IRQ_UART0 S3C2410_IRQ(28) /* 44 */ +#define IRQ_SPI1 S3C2410_IRQ(29) +#define IRQ_RTC S3C2410_IRQ(30) +#define IRQ_ADCPARENT S3C2410_IRQ(31) + +/* interrupts generated from the external interrupts sources */ +#define IRQ_EINT0_2412 S3C2410_IRQ(32) +#define IRQ_EINT1_2412 S3C2410_IRQ(33) +#define IRQ_EINT2_2412 S3C2410_IRQ(34) +#define IRQ_EINT3_2412 S3C2410_IRQ(35) +#define IRQ_EINT4 S3C2410_IRQ(36) /* 52 */ +#define IRQ_EINT5 S3C2410_IRQ(37) +#define IRQ_EINT6 S3C2410_IRQ(38) +#define IRQ_EINT7 S3C2410_IRQ(39) +#define IRQ_EINT8 S3C2410_IRQ(40) +#define IRQ_EINT9 S3C2410_IRQ(41) +#define IRQ_EINT10 S3C2410_IRQ(42) +#define IRQ_EINT11 S3C2410_IRQ(43) +#define IRQ_EINT12 S3C2410_IRQ(44) +#define IRQ_EINT13 S3C2410_IRQ(45) +#define IRQ_EINT14 S3C2410_IRQ(46) +#define IRQ_EINT15 S3C2410_IRQ(47) +#define IRQ_EINT16 S3C2410_IRQ(48) +#define IRQ_EINT17 S3C2410_IRQ(49) +#define IRQ_EINT18 S3C2410_IRQ(50) +#define IRQ_EINT19 S3C2410_IRQ(51) +#define IRQ_EINT20 S3C2410_IRQ(52) /* 68 */ +#define IRQ_EINT21 S3C2410_IRQ(53) +#define IRQ_EINT22 S3C2410_IRQ(54) +#define IRQ_EINT23 S3C2410_IRQ(55) + +#define IRQ_EINT_BIT(x) ((x) - IRQ_EINT4 + 4) +#define IRQ_EINT(x) (((x) >= 4) ? (IRQ_EINT4 + (x) - 4) : (IRQ_EINT0 + (x))) + +#define IRQ_LCD_FIFO S3C2410_IRQ(56) +#define IRQ_LCD_FRAME S3C2410_IRQ(57) + +/* IRQs for the interal UARTs, and ADC + * these need to be ordered in number of appearance in the + * SUBSRC mask register +*/ + +#define S3C2410_IRQSUB(x) S3C2410_IRQ((x)+58) + +#define IRQ_S3CUART_RX0 S3C2410_IRQSUB(0) /* 74 */ +#define IRQ_S3CUART_TX0 S3C2410_IRQSUB(1) +#define IRQ_S3CUART_ERR0 S3C2410_IRQSUB(2) + +#define IRQ_S3CUART_RX1 S3C2410_IRQSUB(3) /* 77 */ +#define IRQ_S3CUART_TX1 S3C2410_IRQSUB(4) +#define IRQ_S3CUART_ERR1 S3C2410_IRQSUB(5) + +#define IRQ_S3CUART_RX2 S3C2410_IRQSUB(6) /* 80 */ +#define IRQ_S3CUART_TX2 S3C2410_IRQSUB(7) +#define IRQ_S3CUART_ERR2 S3C2410_IRQSUB(8) + +#define IRQ_TC S3C2410_IRQSUB(9) +#define IRQ_ADC S3C2410_IRQSUB(10) + +/* extra irqs for s3c2412 */ + +#define IRQ_S3C2412_CFSDI S3C2410_IRQ(21) + +#define IRQ_S3C2412_SDI S3C2410_IRQSUB(13) +#define IRQ_S3C2412_CF S3C2410_IRQSUB(14) + + +#define IRQ_S3C2416_EINT8t15 S3C2410_IRQ(5) +#define IRQ_S3C2416_DMA S3C2410_IRQ(17) +#define IRQ_S3C2416_UART3 S3C2410_IRQ(18) +#define IRQ_S3C2416_SDI1 S3C2410_IRQ(20) +#define IRQ_S3C2416_SDI0 S3C2410_IRQ(21) + +#define IRQ_S3C2416_LCD2 S3C2410_IRQSUB(15) +#define IRQ_S3C2416_LCD3 S3C2410_IRQSUB(16) +#define IRQ_S3C2416_LCD4 S3C2410_IRQSUB(17) +#define IRQ_S3C2416_DMA0 S3C2410_IRQSUB(18) +#define IRQ_S3C2416_DMA1 S3C2410_IRQSUB(19) +#define IRQ_S3C2416_DMA2 S3C2410_IRQSUB(20) +#define IRQ_S3C2416_DMA3 S3C2410_IRQSUB(21) +#define IRQ_S3C2416_DMA4 S3C2410_IRQSUB(22) +#define IRQ_S3C2416_DMA5 S3C2410_IRQSUB(23) +#define IRQ_S32416_WDT S3C2410_IRQSUB(27) +#define IRQ_S32416_AC97 S3C2410_IRQSUB(28) + +/* second interrupt-register of s3c2416/s3c2450 */ + +#define S3C2416_IRQ(x) S3C2410_IRQ((x) + 58 + 29) +#define IRQ_S3C2416_2D S3C2416_IRQ(0) +#define IRQ_S3C2416_IIC1 S3C2416_IRQ(1) +#define IRQ_S3C2416_RESERVED2 S3C2416_IRQ(2) +#define IRQ_S3C2416_RESERVED3 S3C2416_IRQ(3) +#define IRQ_S3C2416_PCM0 S3C2416_IRQ(4) +#define IRQ_S3C2416_PCM1 S3C2416_IRQ(5) +#define IRQ_S3C2416_I2S0 S3C2416_IRQ(6) +#define IRQ_S3C2416_I2S1 S3C2416_IRQ(7) + +/* extra irqs for s3c2440 */ + +#define IRQ_S3C2440_CAM_C S3C2410_IRQSUB(11) /* S3C2443 too */ +#define IRQ_S3C2440_CAM_P S3C2410_IRQSUB(12) /* S3C2443 too */ +#define IRQ_S3C2440_WDT S3C2410_IRQSUB(13) +#define IRQ_S3C2440_AC97 S3C2410_IRQSUB(14) + +/* irqs for s3c2443 */ + +#define IRQ_S3C2443_DMA S3C2410_IRQ(17) /* IRQ_DMA1 */ +#define IRQ_S3C2443_UART3 S3C2410_IRQ(18) /* IRQ_DMA2 */ +#define IRQ_S3C2443_CFCON S3C2410_IRQ(19) /* IRQ_DMA3 */ +#define IRQ_S3C2443_HSMMC S3C2410_IRQ(20) /* IRQ_SDI */ +#define IRQ_S3C2443_NAND S3C2410_IRQ(24) /* reserved */ + +#define IRQ_S3C2416_HSMMC0 S3C2410_IRQ(21) /* S3C2416/S3C2450 */ + +#define IRQ_HSMMC0 IRQ_S3C2416_HSMMC0 +#define IRQ_HSMMC1 IRQ_S3C2443_HSMMC + +#define IRQ_S3C2443_LCD1 S3C2410_IRQSUB(14) +#define IRQ_S3C2443_LCD2 S3C2410_IRQSUB(15) +#define IRQ_S3C2443_LCD3 S3C2410_IRQSUB(16) +#define IRQ_S3C2443_LCD4 S3C2410_IRQSUB(17) + +#define IRQ_S3C2443_DMA0 S3C2410_IRQSUB(18) +#define IRQ_S3C2443_DMA1 S3C2410_IRQSUB(19) +#define IRQ_S3C2443_DMA2 S3C2410_IRQSUB(20) +#define IRQ_S3C2443_DMA3 S3C2410_IRQSUB(21) +#define IRQ_S3C2443_DMA4 S3C2410_IRQSUB(22) +#define IRQ_S3C2443_DMA5 S3C2410_IRQSUB(23) + +/* UART3 */ +#define IRQ_S3C2443_RX3 S3C2410_IRQSUB(24) +#define IRQ_S3C2443_TX3 S3C2410_IRQSUB(25) +#define IRQ_S3C2443_ERR3 S3C2410_IRQSUB(26) + +#define IRQ_S3C2443_WDT S3C2410_IRQSUB(27) +#define IRQ_S3C2443_AC97 S3C2410_IRQSUB(28) + +#if defined(CONFIG_CPU_S3C2416) +#define NR_IRQS (IRQ_S3C2416_I2S1 + 1) +#else +#define NR_IRQS (IRQ_S3C2443_AC97 + 1) +#endif + +/* compatibility define. */ +#define IRQ_UART3 IRQ_S3C2443_UART3 +#define IRQ_S3CUART_RX3 IRQ_S3C2443_RX3 +#define IRQ_S3CUART_TX3 IRQ_S3C2443_TX3 +#define IRQ_S3CUART_ERR3 IRQ_S3C2443_ERR3 + +#define IRQ_LCD_VSYNC IRQ_S3C2443_LCD3 +#define IRQ_LCD_SYSTEM IRQ_S3C2443_LCD2 + +#ifdef CONFIG_CPU_S3C2440 +#define IRQ_S3C244X_AC97 IRQ_S3C2440_AC97 +#else +#define IRQ_S3C244X_AC97 IRQ_S3C2443_AC97 +#endif + +/* Our FIQs are routable from IRQ_EINT0 to IRQ_ADCPARENT */ +#define FIQ_START IRQ_EINT0 + +#endif /* __ASM_ARCH_IRQ_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/map.h b/arch/arm/mach-s3c24xx/include/mach/map.h new file mode 100644 index 00000000000..444793f0f5f --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/map.h @@ -0,0 +1,172 @@ +/* arch/arm/mach-s3c2410/include/mach/map.h + * + * Copyright (c) 2003 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 - Memory map definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_MAP_H +#define __ASM_ARCH_MAP_H + +#include <plat/map-base.h> + +/* + * S3C2410 UART offset is 0x4000 but the other SoCs are 0x400. + * So need to define it, and here is to avoid redefinition warning. + */ +#define S3C_UART_OFFSET (0x4000) + +#include <plat/map-s3c.h> + +/* + * interrupt controller is the first thing we put in, to make + * the assembly code for the irq detection easier + */ +#define S3C2410_PA_IRQ (0x4A000000) +#define S3C24XX_SZ_IRQ SZ_1M + +/* memory controller registers */ +#define S3C2410_PA_MEMCTRL (0x48000000) +#define S3C24XX_SZ_MEMCTRL SZ_1M + +/* UARTs */ +#define S3C_VA_UARTx(uart) (S3C_VA_UART + ((uart * S3C_UART_OFFSET))) + +/* Timers */ +#define S3C2410_PA_TIMER (0x51000000) +#define S3C24XX_SZ_TIMER SZ_1M + +/* Clock and Power management */ +#define S3C24XX_SZ_CLKPWR SZ_1M + +/* USB Device port */ +#define S3C2410_PA_USBDEV (0x52000000) +#define S3C24XX_SZ_USBDEV SZ_1M + +/* Watchdog */ +#define S3C2410_PA_WATCHDOG (0x53000000) +#define S3C24XX_SZ_WATCHDOG SZ_1M + +/* Standard size definitions for peripheral blocks. */ + +#define S3C24XX_SZ_UART SZ_1M +#define S3C24XX_SZ_IIS SZ_1M +#define S3C24XX_SZ_ADC SZ_1M +#define S3C24XX_SZ_SPI SZ_1M +#define S3C24XX_SZ_SDI SZ_1M +#define S3C24XX_SZ_NAND SZ_1M +#define S3C24XX_SZ_GPIO SZ_1M + +/* USB host controller */ +#define S3C2410_PA_USBHOST (0x49000000) + +/* S3C2416/S3C2443/S3C2450 High-Speed USB Gadget */ +#define S3C2416_PA_HSUDC (0x49800000) +#define S3C2416_SZ_HSUDC (SZ_4K) + +/* DMA controller */ +#define S3C2410_PA_DMA (0x4B000000) +#define S3C24XX_SZ_DMA SZ_1M + +/* Clock and Power management */ +#define S3C2410_PA_CLKPWR (0x4C000000) + +/* LCD controller */ +#define S3C2410_PA_LCD (0x4D000000) +#define S3C24XX_SZ_LCD SZ_1M + +/* NAND flash controller */ +#define S3C2410_PA_NAND (0x4E000000) + +/* IIC hardware controller */ +#define S3C2410_PA_IIC (0x54000000) + +/* IIS controller */ +#define S3C2410_PA_IIS (0x55000000) + +/* RTC */ +#define S3C2410_PA_RTC (0x57000000) +#define S3C24XX_SZ_RTC SZ_1M + +/* ADC */ +#define S3C2410_PA_ADC (0x58000000) + +/* SPI */ +#define S3C2410_PA_SPI (0x59000000) +#define S3C2443_PA_SPI0 (0x52000000) +#define S3C2443_PA_SPI1 S3C2410_PA_SPI + +/* SDI */ +#define S3C2410_PA_SDI (0x5A000000) + +/* CAMIF */ +#define S3C2440_PA_CAMIF (0x4F000000) +#define S3C2440_SZ_CAMIF SZ_1M + +/* AC97 */ + +#define S3C2440_PA_AC97 (0x5B000000) +#define S3C2440_SZ_AC97 SZ_1M + +/* S3C2443/S3C2416 High-speed SD/MMC */ +#define S3C2443_PA_HSMMC (0x4A800000) +#define S3C2416_PA_HSMMC0 (0x4AC00000) + +#define S3C2443_PA_FB (0x4C800000) + +/* S3C2412 memory and IO controls */ +#define S3C2412_PA_SSMC (0x4F000000) + +#define S3C2412_PA_EBI (0x48800000) + +/* physical addresses of all the chip-select areas */ + +#define S3C2410_CS0 (0x00000000) +#define S3C2410_CS1 (0x08000000) +#define S3C2410_CS2 (0x10000000) +#define S3C2410_CS3 (0x18000000) +#define S3C2410_CS4 (0x20000000) +#define S3C2410_CS5 (0x28000000) +#define S3C2410_CS6 (0x30000000) +#define S3C2410_CS7 (0x38000000) + +#define S3C2410_SDRAM_PA (S3C2410_CS6) + +/* Use a single interface for common resources between S3C24XX cpus */ + +#define S3C24XX_PA_IRQ S3C2410_PA_IRQ +#define S3C24XX_PA_MEMCTRL S3C2410_PA_MEMCTRL +#define S3C24XX_PA_DMA S3C2410_PA_DMA +#define S3C24XX_PA_CLKPWR S3C2410_PA_CLKPWR +#define S3C24XX_PA_LCD S3C2410_PA_LCD +#define S3C24XX_PA_TIMER S3C2410_PA_TIMER +#define S3C24XX_PA_USBDEV S3C2410_PA_USBDEV +#define S3C24XX_PA_WATCHDOG S3C2410_PA_WATCHDOG +#define S3C24XX_PA_IIS S3C2410_PA_IIS +#define S3C24XX_PA_RTC S3C2410_PA_RTC +#define S3C24XX_PA_ADC S3C2410_PA_ADC +#define S3C24XX_PA_SPI S3C2410_PA_SPI +#define S3C24XX_PA_SPI1 (S3C2410_PA_SPI + S3C2410_SPI1) +#define S3C24XX_PA_SDI S3C2410_PA_SDI +#define S3C24XX_PA_NAND S3C2410_PA_NAND + +#define S3C_PA_FB S3C2443_PA_FB +#define S3C_PA_IIC S3C2410_PA_IIC +#define S3C_PA_UART S3C24XX_PA_UART +#define S3C_PA_USBHOST S3C2410_PA_USBHOST +#define S3C_PA_HSMMC0 S3C2416_PA_HSMMC0 +#define S3C_PA_HSMMC1 S3C2443_PA_HSMMC +#define S3C_PA_WDT S3C2410_PA_WATCHDOG +#define S3C_PA_NAND S3C24XX_PA_NAND + +#define S3C_PA_SPI0 S3C2443_PA_SPI0 +#define S3C_PA_SPI1 S3C2443_PA_SPI1 + +#define SAMSUNG_PA_TIMER S3C2410_PA_TIMER + +#endif /* __ASM_ARCH_MAP_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/pm-core.h b/arch/arm/mach-s3c24xx/include/mach/pm-core.h new file mode 100644 index 00000000000..2eef7e6f767 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/pm-core.h @@ -0,0 +1,67 @@ +/* linux/arch/arm/mach-s3c2410/include/pm-core.h + * + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C24xx - PM core support for arch/arm/plat-s3c/pm.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +static inline void s3c_pm_debug_init_uart(void) +{ + unsigned long tmp = __raw_readl(S3C2410_CLKCON); + + /* re-start uart clocks */ + tmp |= S3C2410_CLKCON_UART0; + tmp |= S3C2410_CLKCON_UART1; + tmp |= S3C2410_CLKCON_UART2; + + __raw_writel(tmp, S3C2410_CLKCON); + udelay(10); +} + +static inline void s3c_pm_arch_prepare_irqs(void) +{ + __raw_writel(s3c_irqwake_intmask, S3C2410_INTMSK); + __raw_writel(s3c_irqwake_eintmask, S3C2410_EINTMASK); + + /* ack any outstanding external interrupts before we go to sleep */ + + __raw_writel(__raw_readl(S3C2410_EINTPEND), S3C2410_EINTPEND); + __raw_writel(__raw_readl(S3C2410_INTPND), S3C2410_INTPND); + __raw_writel(__raw_readl(S3C2410_SRCPND), S3C2410_SRCPND); + +} + +static inline void s3c_pm_arch_stop_clocks(void) +{ + __raw_writel(0x00, S3C2410_CLKCON); /* turn off clocks over sleep */ +} + +static void s3c_pm_show_resume_irqs(int start, unsigned long which, + unsigned long mask); + +static inline void s3c_pm_arch_show_resume_irqs(void) +{ + S3C_PMDBG("post sleep: IRQs 0x%08x, 0x%08x\n", + __raw_readl(S3C2410_SRCPND), + __raw_readl(S3C2410_EINTPEND)); + + s3c_pm_show_resume_irqs(IRQ_EINT0, __raw_readl(S3C2410_SRCPND), + s3c_irqwake_intmask); + + s3c_pm_show_resume_irqs(IRQ_EINT4-4, __raw_readl(S3C2410_EINTPEND), + s3c_irqwake_eintmask); +} + +static inline void s3c_pm_arch_update_uart(void __iomem *regs, + struct pm_uart_save *save) +{ +} + +static inline void s3c_pm_restored_gpios(void) { } +static inline void samsung_pm_saved_gpios(void) { } diff --git a/arch/arm/mach-s3c24xx/include/mach/regs-clock.h b/arch/arm/mach-s3c24xx/include/mach/regs-clock.h new file mode 100644 index 00000000000..3db6c10de02 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/regs-clock.h @@ -0,0 +1,148 @@ +/* arch/arm/mach-s3c2410/include/mach/regs-clock.h + * + * Copyright (c) 2003-2006 Simtec Electronics <linux@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * S3C2410 clock register definitions +*/ + +#ifndef __ASM_ARM_REGS_CLOCK +#define __ASM_ARM_REGS_CLOCK + +#define S3C2410_CLKREG(x) ((x) + S3C24XX_VA_CLKPWR) + +#define S3C2410_PLLVAL(_m,_p,_s) ((_m) << 12 | ((_p) << 4) | ((_s))) + +#define S3C2410_LOCKTIME S3C2410_CLKREG(0x00) +#define S3C2410_MPLLCON S3C2410_CLKREG(0x04) +#define S3C2410_UPLLCON S3C2410_CLKREG(0x08) +#define S3C2410_CLKCON S3C2410_CLKREG(0x0C) +#define S3C2410_CLKSLOW S3C2410_CLKREG(0x10) +#define S3C2410_CLKDIVN S3C2410_CLKREG(0x14) + +#define S3C2410_CLKCON_IDLE (1<<2) +#define S3C2410_CLKCON_POWER (1<<3) +#define S3C2410_CLKCON_NAND (1<<4) +#define S3C2410_CLKCON_LCDC (1<<5) +#define S3C2410_CLKCON_USBH (1<<6) +#define S3C2410_CLKCON_USBD (1<<7) +#define S3C2410_CLKCON_PWMT (1<<8) +#define S3C2410_CLKCON_SDI (1<<9) +#define S3C2410_CLKCON_UART0 (1<<10) +#define S3C2410_CLKCON_UART1 (1<<11) +#define S3C2410_CLKCON_UART2 (1<<12) +#define S3C2410_CLKCON_GPIO (1<<13) +#define S3C2410_CLKCON_RTC (1<<14) +#define S3C2410_CLKCON_ADC (1<<15) +#define S3C2410_CLKCON_IIC (1<<16) +#define S3C2410_CLKCON_IIS (1<<17) +#define S3C2410_CLKCON_SPI (1<<18) + +#define S3C2410_CLKDIVN_PDIVN (1<<0) +#define S3C2410_CLKDIVN_HDIVN (1<<1) + +#define S3C2410_CLKSLOW_UCLK_OFF (1<<7) +#define S3C2410_CLKSLOW_MPLL_OFF (1<<5) +#define S3C2410_CLKSLOW_SLOW (1<<4) +#define S3C2410_CLKSLOW_SLOWVAL(x) (x) +#define S3C2410_CLKSLOW_GET_SLOWVAL(x) ((x) & 7) + +#if defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442) + +/* extra registers */ +#define S3C2440_CAMDIVN S3C2410_CLKREG(0x18) + +#define S3C2440_CLKCON_CAMERA (1<<19) +#define S3C2440_CLKCON_AC97 (1<<20) + +#define S3C2440_CLKDIVN_PDIVN (1<<0) +#define S3C2440_CLKDIVN_HDIVN_MASK (3<<1) +#define S3C2440_CLKDIVN_HDIVN_1 (0<<1) +#define S3C2440_CLKDIVN_HDIVN_2 (1<<1) +#define S3C2440_CLKDIVN_HDIVN_4_8 (2<<1) +#define S3C2440_CLKDIVN_HDIVN_3_6 (3<<1) +#define S3C2440_CLKDIVN_UCLK (1<<3) + +#define S3C2440_CAMDIVN_CAMCLK_MASK (0xf<<0) +#define S3C2440_CAMDIVN_CAMCLK_SEL (1<<4) +#define S3C2440_CAMDIVN_HCLK3_HALF (1<<8) +#define S3C2440_CAMDIVN_HCLK4_HALF (1<<9) +#define S3C2440_CAMDIVN_DVSEN (1<<12) + +#define S3C2442_CAMDIVN_CAMCLK_DIV3 (1<<5) + +#endif /* CONFIG_CPU_S3C2440 or CONFIG_CPU_S3C2442 */ + +#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413) + +#define S3C2412_OSCSET S3C2410_CLKREG(0x18) +#define S3C2412_CLKSRC S3C2410_CLKREG(0x1C) + +#define S3C2412_PLLCON_OFF (1<<20) + +#define S3C2412_CLKDIVN_PDIVN (1<<2) +#define S3C2412_CLKDIVN_HDIVN_MASK (3<<0) +#define S3C2412_CLKDIVN_ARMDIVN (1<<3) +#define S3C2412_CLKDIVN_DVSEN (1<<4) +#define S3C2412_CLKDIVN_HALFHCLK (1<<5) +#define S3C2412_CLKDIVN_USB48DIV (1<<6) +#define S3C2412_CLKDIVN_UARTDIV_MASK (15<<8) +#define S3C2412_CLKDIVN_UARTDIV_SHIFT (8) +#define S3C2412_CLKDIVN_I2SDIV_MASK (15<<12) +#define S3C2412_CLKDIVN_I2SDIV_SHIFT (12) +#define S3C2412_CLKDIVN_CAMDIV_MASK (15<<16) +#define S3C2412_CLKDIVN_CAMDIV_SHIFT (16) + +#define S3C2412_CLKCON_WDT (1<<28) +#define S3C2412_CLKCON_SPI (1<<27) +#define S3C2412_CLKCON_IIS (1<<26) +#define S3C2412_CLKCON_IIC (1<<25) +#define S3C2412_CLKCON_ADC (1<<24) +#define S3C2412_CLKCON_RTC (1<<23) +#define S3C2412_CLKCON_GPIO (1<<22) +#define S3C2412_CLKCON_UART2 (1<<21) +#define S3C2412_CLKCON_UART1 (1<<20) +#define S3C2412_CLKCON_UART0 (1<<19) +#define S3C2412_CLKCON_SDI (1<<18) +#define S3C2412_CLKCON_PWMT (1<<17) +#define S3C2412_CLKCON_USBD (1<<16) +#define S3C2412_CLKCON_CAMCLK (1<<15) +#define S3C2412_CLKCON_UARTCLK (1<<14) +/* missing 13 */ +#define S3C2412_CLKCON_USB_HOST48 (1<<12) +#define S3C2412_CLKCON_USB_DEV48 (1<<11) +#define S3C2412_CLKCON_HCLKdiv2 (1<<10) +#define S3C2412_CLKCON_HCLKx2 (1<<9) +#define S3C2412_CLKCON_SDRAM (1<<8) +/* missing 7 */ +#define S3C2412_CLKCON_USBH S3C2410_CLKCON_USBH +#define S3C2412_CLKCON_LCDC S3C2410_CLKCON_LCDC +#define S3C2412_CLKCON_NAND S3C2410_CLKCON_NAND +#define S3C2412_CLKCON_DMA3 (1<<3) +#define S3C2412_CLKCON_DMA2 (1<<2) +#define S3C2412_CLKCON_DMA1 (1<<1) +#define S3C2412_CLKCON_DMA0 (1<<0) + +/* clock sourec controls */ + +#define S3C2412_CLKSRC_EXTCLKDIV_MASK (7 << 0) +#define S3C2412_CLKSRC_EXTCLKDIV_SHIFT (0) +#define S3C2412_CLKSRC_MDIVCLK_EXTCLKDIV (1<<3) +#define S3C2412_CLKSRC_MSYSCLK_MPLL (1<<4) +#define S3C2412_CLKSRC_USYSCLK_UPLL (1<<5) +#define S3C2412_CLKSRC_UARTCLK_MPLL (1<<8) +#define S3C2412_CLKSRC_I2SCLK_MPLL (1<<9) +#define S3C2412_CLKSRC_USBCLK_HCLK (1<<10) +#define S3C2412_CLKSRC_CAMCLK_HCLK (1<<11) +#define S3C2412_CLKSRC_UREFCLK_EXTCLK (1<<12) +#define S3C2412_CLKSRC_EREFCLK_EXTCLK (1<<14) + +#endif /* CONFIG_CPU_S3C2412 | CONFIG_CPU_S3C2413 */ + +#define S3C2416_CLKDIV2 S3C2410_CLKREG(0x28) + +#endif /* __ASM_ARM_REGS_CLOCK */ diff --git a/arch/arm/mach-s3c24xx/include/mach/regs-gpio.h b/arch/arm/mach-s3c24xx/include/mach/regs-gpio.h new file mode 100644 index 00000000000..c6583cfa583 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/regs-gpio.h @@ -0,0 +1,610 @@ +/* arch/arm/mach-s3c2410/include/mach/regs-gpio.h + * + * Copyright (c) 2003-2004 Simtec Electronics <linux@simtec.co.uk> + * http://www.simtec.co.uk/products/SWLINUX/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * S3C2410 GPIO register definitions +*/ + + +#ifndef __ASM_ARCH_REGS_GPIO_H +#define __ASM_ARCH_REGS_GPIO_H + +#define S3C24XX_MISCCR S3C24XX_GPIOREG2(0x80) + +/* general configuration options */ + +#define S3C2410_GPIO_LEAVE (0xFFFFFFFF) +#define S3C2410_GPIO_INPUT (0xFFFFFFF0) /* not available on A */ +#define S3C2410_GPIO_OUTPUT (0xFFFFFFF1) +#define S3C2410_GPIO_IRQ (0xFFFFFFF2) /* not available for all */ +#define S3C2410_GPIO_SFN2 (0xFFFFFFF2) /* bank A => addr/cs/nand */ +#define S3C2410_GPIO_SFN3 (0xFFFFFFF3) /* not available on A */ + +/* register address for the GPIO registers. + * S3C24XX_GPIOREG2 is for the second set of registers in the + * GPIO which move between s3c2410 and s3c2412 type systems */ + +#define S3C2410_GPIOREG(x) ((x) + S3C24XX_VA_GPIO) +#define S3C24XX_GPIOREG2(x) ((x) + S3C24XX_VA_GPIO2) + + +/* configure GPIO ports A..G */ + +/* port A - S3C2410: 22bits, zero in bit X makes pin X output + * 1 makes port special function, this is default +*/ +#define S3C2410_GPACON S3C2410_GPIOREG(0x00) +#define S3C2410_GPADAT S3C2410_GPIOREG(0x04) + +#define S3C2410_GPA0_ADDR0 (1<<0) +#define S3C2410_GPA1_ADDR16 (1<<1) +#define S3C2410_GPA2_ADDR17 (1<<2) +#define S3C2410_GPA3_ADDR18 (1<<3) +#define S3C2410_GPA4_ADDR19 (1<<4) +#define S3C2410_GPA5_ADDR20 (1<<5) +#define S3C2410_GPA6_ADDR21 (1<<6) +#define S3C2410_GPA7_ADDR22 (1<<7) +#define S3C2410_GPA8_ADDR23 (1<<8) +#define S3C2410_GPA9_ADDR24 (1<<9) +#define S3C2410_GPA10_ADDR25 (1<<10) +#define S3C2410_GPA11_ADDR26 (1<<11) +#define S3C2410_GPA12_nGCS1 (1<<12) +#define S3C2410_GPA13_nGCS2 (1<<13) +#define S3C2410_GPA14_nGCS3 (1<<14) +#define S3C2410_GPA15_nGCS4 (1<<15) +#define S3C2410_GPA16_nGCS5 (1<<16) +#define S3C2410_GPA17_CLE (1<<17) +#define S3C2410_GPA18_ALE (1<<18) +#define S3C2410_GPA19_nFWE (1<<19) +#define S3C2410_GPA20_nFRE (1<<20) +#define S3C2410_GPA21_nRSTOUT (1<<21) +#define S3C2410_GPA22_nFCE (1<<22) + +/* 0x08 and 0x0c are reserved on S3C2410 */ + +/* S3C2410: + * GPB is 10 IO pins, each configured by 2 bits each in GPBCON. + * 00 = input, 01 = output, 10=special function, 11=reserved + + * bit 0,1 = pin 0, 2,3= pin 1... + * + * CPBUP = pull up resistor control, 1=disabled, 0=enabled +*/ + +#define S3C2410_GPBCON S3C2410_GPIOREG(0x10) +#define S3C2410_GPBDAT S3C2410_GPIOREG(0x14) +#define S3C2410_GPBUP S3C2410_GPIOREG(0x18) + +/* no i/o pin in port b can have value 3 (unless it is a s3c2443) ! */ + +#define S3C2410_GPB0_TOUT0 (0x02 << 0) + +#define S3C2410_GPB1_TOUT1 (0x02 << 2) + +#define S3C2410_GPB2_TOUT2 (0x02 << 4) + +#define S3C2410_GPB3_TOUT3 (0x02 << 6) + +#define S3C2410_GPB4_TCLK0 (0x02 << 8) +#define S3C2410_GPB4_MASK (0x03 << 8) + +#define S3C2410_GPB5_nXBACK (0x02 << 10) +#define S3C2443_GPB5_XBACK (0x03 << 10) + +#define S3C2410_GPB6_nXBREQ (0x02 << 12) +#define S3C2443_GPB6_XBREQ (0x03 << 12) + +#define S3C2410_GPB7_nXDACK1 (0x02 << 14) +#define S3C2443_GPB7_XDACK1 (0x03 << 14) + +#define S3C2410_GPB8_nXDREQ1 (0x02 << 16) + +#define S3C2410_GPB9_nXDACK0 (0x02 << 18) +#define S3C2443_GPB9_XDACK0 (0x03 << 18) + +#define S3C2410_GPB10_nXDRE0 (0x02 << 20) +#define S3C2443_GPB10_XDREQ0 (0x03 << 20) + +#define S3C2410_GPB_PUPDIS(x) (1<<(x)) + +/* Port C consits of 16 GPIO/Special function + * + * almost identical setup to port b, but the special functions are mostly + * to do with the video system's sync/etc. +*/ + +#define S3C2410_GPCCON S3C2410_GPIOREG(0x20) +#define S3C2410_GPCDAT S3C2410_GPIOREG(0x24) +#define S3C2410_GPCUP S3C2410_GPIOREG(0x28) +#define S3C2410_GPC0_LEND (0x02 << 0) +#define S3C2410_GPC1_VCLK (0x02 << 2) +#define S3C2410_GPC2_VLINE (0x02 << 4) +#define S3C2410_GPC3_VFRAME (0x02 << 6) +#define S3C2410_GPC4_VM (0x02 << 8) +#define S3C2410_GPC5_LCDVF0 (0x02 << 10) +#define S3C2410_GPC6_LCDVF1 (0x02 << 12) +#define S3C2410_GPC7_LCDVF2 (0x02 << 14) +#define S3C2410_GPC8_VD0 (0x02 << 16) +#define S3C2410_GPC9_VD1 (0x02 << 18) +#define S3C2410_GPC10_VD2 (0x02 << 20) +#define S3C2410_GPC11_VD3 (0x02 << 22) +#define S3C2410_GPC12_VD4 (0x02 << 24) +#define S3C2410_GPC13_VD5 (0x02 << 26) +#define S3C2410_GPC14_VD6 (0x02 << 28) +#define S3C2410_GPC15_VD7 (0x02 << 30) +#define S3C2410_GPC_PUPDIS(x) (1<<(x)) + +/* + * S3C2410: Port D consists of 16 GPIO/Special function + * + * almost identical setup to port b, but the special functions are mostly + * to do with the video system's data. + * + * almost identical setup to port c +*/ + +#define S3C2410_GPDCON S3C2410_GPIOREG(0x30) +#define S3C2410_GPDDAT S3C2410_GPIOREG(0x34) +#define S3C2410_GPDUP S3C2410_GPIOREG(0x38) + +#define S3C2410_GPD0_VD8 (0x02 << 0) +#define S3C2442_GPD0_nSPICS1 (0x03 << 0) + +#define S3C2410_GPD1_VD9 (0x02 << 2) +#define S3C2442_GPD1_SPICLK1 (0x03 << 2) + +#define S3C2410_GPD2_VD10 (0x02 << 4) + +#define S3C2410_GPD3_VD11 (0x02 << 6) + +#define S3C2410_GPD4_VD12 (0x02 << 8) + +#define S3C2410_GPD5_VD13 (0x02 << 10) + +#define S3C2410_GPD6_VD14 (0x02 << 12) + +#define S3C2410_GPD7_VD15 (0x02 << 14) + +#define S3C2410_GPD8_VD16 (0x02 << 16) +#define S3C2440_GPD8_SPIMISO1 (0x03 << 16) + +#define S3C2410_GPD9_VD17 (0x02 << 18) +#define S3C2440_GPD9_SPIMOSI1 (0x03 << 18) + +#define S3C2410_GPD10_VD18 (0x02 << 20) +#define S3C2440_GPD10_SPICLK1 (0x03 << 20) + +#define S3C2410_GPD11_VD19 (0x02 << 22) + +#define S3C2410_GPD12_VD20 (0x02 << 24) + +#define S3C2410_GPD13_VD21 (0x02 << 26) + +#define S3C2410_GPD14_VD22 (0x02 << 28) +#define S3C2410_GPD14_nSS1 (0x03 << 28) + +#define S3C2410_GPD15_VD23 (0x02 << 30) +#define S3C2410_GPD15_nSS0 (0x03 << 30) + +#define S3C2410_GPD_PUPDIS(x) (1<<(x)) + +/* S3C2410: + * Port E consists of 16 GPIO/Special function + * + * again, the same as port B, but dealing with I2S, SDI, and + * more miscellaneous functions + * + * GPIO / interrupt inputs +*/ + +#define S3C2410_GPECON S3C2410_GPIOREG(0x40) +#define S3C2410_GPEDAT S3C2410_GPIOREG(0x44) +#define S3C2410_GPEUP S3C2410_GPIOREG(0x48) + +#define S3C2410_GPE0_I2SLRCK (0x02 << 0) +#define S3C2443_GPE0_AC_nRESET (0x03 << 0) +#define S3C2410_GPE0_MASK (0x03 << 0) + +#define S3C2410_GPE1_I2SSCLK (0x02 << 2) +#define S3C2443_GPE1_AC_SYNC (0x03 << 2) +#define S3C2410_GPE1_MASK (0x03 << 2) + +#define S3C2410_GPE2_CDCLK (0x02 << 4) +#define S3C2443_GPE2_AC_BITCLK (0x03 << 4) + +#define S3C2410_GPE3_I2SSDI (0x02 << 6) +#define S3C2443_GPE3_AC_SDI (0x03 << 6) +#define S3C2410_GPE3_nSS0 (0x03 << 6) +#define S3C2410_GPE3_MASK (0x03 << 6) + +#define S3C2410_GPE4_I2SSDO (0x02 << 8) +#define S3C2443_GPE4_AC_SDO (0x03 << 8) +#define S3C2410_GPE4_I2SSDI (0x03 << 8) +#define S3C2410_GPE4_MASK (0x03 << 8) + +#define S3C2410_GPE5_SDCLK (0x02 << 10) +#define S3C2443_GPE5_SD1_CLK (0x02 << 10) +#define S3C2443_GPE5_AC_BITCLK (0x03 << 10) + +#define S3C2410_GPE6_SDCMD (0x02 << 12) +#define S3C2443_GPE6_SD1_CMD (0x02 << 12) +#define S3C2443_GPE6_AC_SDI (0x03 << 12) + +#define S3C2410_GPE7_SDDAT0 (0x02 << 14) +#define S3C2443_GPE5_SD1_DAT0 (0x02 << 14) +#define S3C2443_GPE7_AC_SDO (0x03 << 14) + +#define S3C2410_GPE8_SDDAT1 (0x02 << 16) +#define S3C2443_GPE8_SD1_DAT1 (0x02 << 16) +#define S3C2443_GPE8_AC_SYNC (0x03 << 16) + +#define S3C2410_GPE9_SDDAT2 (0x02 << 18) +#define S3C2443_GPE9_SD1_DAT2 (0x02 << 18) +#define S3C2443_GPE9_AC_nRESET (0x03 << 18) + +#define S3C2410_GPE10_SDDAT3 (0x02 << 20) +#define S3C2443_GPE10_SD1_DAT3 (0x02 << 20) + +#define S3C2410_GPE11_SPIMISO0 (0x02 << 22) + +#define S3C2410_GPE12_SPIMOSI0 (0x02 << 24) + +#define S3C2410_GPE13_SPICLK0 (0x02 << 26) + +#define S3C2410_GPE14_IICSCL (0x02 << 28) +#define S3C2410_GPE14_MASK (0x03 << 28) + +#define S3C2410_GPE15_IICSDA (0x02 << 30) +#define S3C2410_GPE15_MASK (0x03 << 30) + +#define S3C2440_GPE0_ACSYNC (0x03 << 0) +#define S3C2440_GPE1_ACBITCLK (0x03 << 2) +#define S3C2440_GPE2_ACRESET (0x03 << 4) +#define S3C2440_GPE3_ACIN (0x03 << 6) +#define S3C2440_GPE4_ACOUT (0x03 << 8) + +#define S3C2410_GPE_PUPDIS(x) (1<<(x)) + +/* S3C2410: + * Port F consists of 8 GPIO/Special function + * + * GPIO / interrupt inputs + * + * GPFCON has 2 bits for each of the input pins on port F + * 00 = 0 input, 1 output, 2 interrupt (EINT0..7), 3 undefined + * + * pull up works like all other ports. + * + * GPIO/serial/misc pins +*/ + +#define S3C2410_GPFCON S3C2410_GPIOREG(0x50) +#define S3C2410_GPFDAT S3C2410_GPIOREG(0x54) +#define S3C2410_GPFUP S3C2410_GPIOREG(0x58) + +#define S3C2410_GPF0_EINT0 (0x02 << 0) +#define S3C2410_GPF1_EINT1 (0x02 << 2) +#define S3C2410_GPF2_EINT2 (0x02 << 4) +#define S3C2410_GPF3_EINT3 (0x02 << 6) +#define S3C2410_GPF4_EINT4 (0x02 << 8) +#define S3C2410_GPF5_EINT5 (0x02 << 10) +#define S3C2410_GPF6_EINT6 (0x02 << 12) +#define S3C2410_GPF7_EINT7 (0x02 << 14) +#define S3C2410_GPF_PUPDIS(x) (1<<(x)) + +/* S3C2410: + * Port G consists of 8 GPIO/IRQ/Special function + * + * GPGCON has 2 bits for each of the input pins on port G + * 00 = 0 input, 1 output, 2 interrupt (EINT0..7), 3 special func + * + * pull up works like all other ports. +*/ + +#define S3C2410_GPGCON S3C2410_GPIOREG(0x60) +#define S3C2410_GPGDAT S3C2410_GPIOREG(0x64) +#define S3C2410_GPGUP S3C2410_GPIOREG(0x68) + +#define S3C2410_GPG0_EINT8 (0x02 << 0) + +#define S3C2410_GPG1_EINT9 (0x02 << 2) + +#define S3C2410_GPG2_EINT10 (0x02 << 4) +#define S3C2410_GPG2_nSS0 (0x03 << 4) + +#define S3C2410_GPG3_EINT11 (0x02 << 6) +#define S3C2410_GPG3_nSS1 (0x03 << 6) + +#define S3C2410_GPG4_EINT12 (0x02 << 8) +#define S3C2410_GPG4_LCDPWREN (0x03 << 8) +#define S3C2443_GPG4_LCDPWRDN (0x03 << 8) + +#define S3C2410_GPG5_EINT13 (0x02 << 10) +#define S3C2410_GPG5_SPIMISO1 (0x03 << 10) /* not s3c2443 */ + +#define S3C2410_GPG6_EINT14 (0x02 << 12) +#define S3C2410_GPG6_SPIMOSI1 (0x03 << 12) + +#define S3C2410_GPG7_EINT15 (0x02 << 14) +#define S3C2410_GPG7_SPICLK1 (0x03 << 14) + +#define S3C2410_GPG8_EINT16 (0x02 << 16) + +#define S3C2410_GPG9_EINT17 (0x02 << 18) + +#define S3C2410_GPG10_EINT18 (0x02 << 20) + +#define S3C2410_GPG11_EINT19 (0x02 << 22) +#define S3C2410_GPG11_TCLK1 (0x03 << 22) +#define S3C2443_GPG11_CF_nIREQ (0x03 << 22) + +#define S3C2410_GPG12_EINT20 (0x02 << 24) +#define S3C2410_GPG12_XMON (0x03 << 24) +#define S3C2442_GPG12_nSPICS0 (0x03 << 24) +#define S3C2443_GPG12_nINPACK (0x03 << 24) + +#define S3C2410_GPG13_EINT21 (0x02 << 26) +#define S3C2410_GPG13_nXPON (0x03 << 26) +#define S3C2443_GPG13_CF_nREG (0x03 << 26) + +#define S3C2410_GPG14_EINT22 (0x02 << 28) +#define S3C2410_GPG14_YMON (0x03 << 28) +#define S3C2443_GPG14_CF_RESET (0x03 << 28) + +#define S3C2410_GPG15_EINT23 (0x02 << 30) +#define S3C2410_GPG15_nYPON (0x03 << 30) +#define S3C2443_GPG15_CF_PWR (0x03 << 30) + +#define S3C2410_GPG_PUPDIS(x) (1<<(x)) + +/* Port H consists of11 GPIO/serial/Misc pins + * + * GPHCON has 2 bits for each of the input pins on port H + * 00 = 0 input, 1 output, 2 interrupt (EINT0..7), 3 special func + * + * pull up works like all other ports. +*/ + +#define S3C2410_GPHCON S3C2410_GPIOREG(0x70) +#define S3C2410_GPHDAT S3C2410_GPIOREG(0x74) +#define S3C2410_GPHUP S3C2410_GPIOREG(0x78) + +#define S3C2410_GPH0_nCTS0 (0x02 << 0) +#define S3C2416_GPH0_TXD0 (0x02 << 0) + +#define S3C2410_GPH1_nRTS0 (0x02 << 2) +#define S3C2416_GPH1_RXD0 (0x02 << 2) + +#define S3C2410_GPH2_TXD0 (0x02 << 4) +#define S3C2416_GPH2_TXD1 (0x02 << 4) + +#define S3C2410_GPH3_RXD0 (0x02 << 6) +#define S3C2416_GPH3_RXD1 (0x02 << 6) + +#define S3C2410_GPH4_TXD1 (0x02 << 8) +#define S3C2416_GPH4_TXD2 (0x02 << 8) + +#define S3C2410_GPH5_RXD1 (0x02 << 10) +#define S3C2416_GPH5_RXD2 (0x02 << 10) + +#define S3C2410_GPH6_TXD2 (0x02 << 12) +#define S3C2416_GPH6_TXD3 (0x02 << 12) +#define S3C2410_GPH6_nRTS1 (0x03 << 12) +#define S3C2416_GPH6_nRTS2 (0x03 << 12) + +#define S3C2410_GPH7_RXD2 (0x02 << 14) +#define S3C2416_GPH7_RXD3 (0x02 << 14) +#define S3C2410_GPH7_nCTS1 (0x03 << 14) +#define S3C2416_GPH7_nCTS2 (0x03 << 14) + +#define S3C2410_GPH8_UCLK (0x02 << 16) +#define S3C2416_GPH8_nCTS0 (0x02 << 16) + +#define S3C2410_GPH9_CLKOUT0 (0x02 << 18) +#define S3C2442_GPH9_nSPICS0 (0x03 << 18) +#define S3C2416_GPH9_nRTS0 (0x02 << 18) + +#define S3C2410_GPH10_CLKOUT1 (0x02 << 20) +#define S3C2416_GPH10_nCTS1 (0x02 << 20) + +#define S3C2416_GPH11_nRTS1 (0x02 << 22) + +#define S3C2416_GPH12_EXTUARTCLK (0x02 << 24) + +#define S3C2416_GPH13_CLKOUT0 (0x02 << 26) + +#define S3C2416_GPH14_CLKOUT1 (0x02 << 28) + +/* The S3C2412 and S3C2413 move the GPJ register set to after + * GPH, which means all registers after 0x80 are now offset by 0x10 + * for the 2412/2413 from the 2410/2440/2442 +*/ + +/* + * Port J consists of 13 GPIO/Camera pins. GPJCON has 2 bits + * for each of the pins on port J. + * 00 - input, 01 output, 10 - camera + * + * Pull up works like all other ports. + */ + +#define S3C2413_GPJCON S3C2410_GPIOREG(0x80) +#define S3C2413_GPJDAT S3C2410_GPIOREG(0x84) +#define S3C2413_GPJUP S3C2410_GPIOREG(0x88) +#define S3C2413_GPJSLPCON S3C2410_GPIOREG(0x8C) + +/* S3C2443 and above */ +#define S3C2440_GPJCON S3C2410_GPIOREG(0xD0) +#define S3C2440_GPJDAT S3C2410_GPIOREG(0xD4) +#define S3C2440_GPJUP S3C2410_GPIOREG(0xD8) + +#define S3C2443_GPKCON S3C2410_GPIOREG(0xE0) +#define S3C2443_GPKDAT S3C2410_GPIOREG(0xE4) +#define S3C2443_GPKUP S3C2410_GPIOREG(0xE8) + +#define S3C2443_GPLCON S3C2410_GPIOREG(0xF0) +#define S3C2443_GPLDAT S3C2410_GPIOREG(0xF4) +#define S3C2443_GPLUP S3C2410_GPIOREG(0xF8) + +#define S3C2443_GPMCON S3C2410_GPIOREG(0x100) +#define S3C2443_GPMDAT S3C2410_GPIOREG(0x104) +#define S3C2443_GPMUP S3C2410_GPIOREG(0x108) + +/* miscellaneous control */ +#define S3C2410_MISCCR S3C2410_GPIOREG(0x80) + +/* see clock.h for dclk definitions */ + +/* pullup control on databus */ +#define S3C2410_MISCCR_SPUCR_HEN (0<<0) +#define S3C2410_MISCCR_SPUCR_HDIS (1<<0) +#define S3C2410_MISCCR_SPUCR_LEN (0<<1) +#define S3C2410_MISCCR_SPUCR_LDIS (1<<1) + +#define S3C2410_MISCCR_USBDEV (0<<3) +#define S3C2410_MISCCR_USBHOST (1<<3) + +#define S3C2410_MISCCR_CLK0_MPLL (0<<4) +#define S3C2410_MISCCR_CLK0_UPLL (1<<4) +#define S3C2410_MISCCR_CLK0_FCLK (2<<4) +#define S3C2410_MISCCR_CLK0_HCLK (3<<4) +#define S3C2410_MISCCR_CLK0_PCLK (4<<4) +#define S3C2410_MISCCR_CLK0_DCLK0 (5<<4) +#define S3C2410_MISCCR_CLK0_MASK (7<<4) + +#define S3C2412_MISCCR_CLK0_RTC (2<<4) + +#define S3C2410_MISCCR_CLK1_MPLL (0<<8) +#define S3C2410_MISCCR_CLK1_UPLL (1<<8) +#define S3C2410_MISCCR_CLK1_FCLK (2<<8) +#define S3C2410_MISCCR_CLK1_HCLK (3<<8) +#define S3C2410_MISCCR_CLK1_PCLK (4<<8) +#define S3C2410_MISCCR_CLK1_DCLK1 (5<<8) +#define S3C2410_MISCCR_CLK1_MASK (7<<8) + +#define S3C2412_MISCCR_CLK1_CLKsrc (0<<8) + +#define S3C2410_MISCCR_USBSUSPND0 (1<<12) +#define S3C2416_MISCCR_SEL_SUSPND (1<<12) +#define S3C2410_MISCCR_USBSUSPND1 (1<<13) + +#define S3C2410_MISCCR_nRSTCON (1<<16) + +#define S3C2410_MISCCR_nEN_SCLK0 (1<<17) +#define S3C2410_MISCCR_nEN_SCLK1 (1<<18) +#define S3C2410_MISCCR_nEN_SCLKE (1<<19) /* not 2412 */ +#define S3C2410_MISCCR_SDSLEEP (7<<17) + +#define S3C2416_MISCCR_FLT_I2C (1<<24) +#define S3C2416_MISCCR_HSSPI_EN2 (1<<31) + +/* external interrupt control... */ +/* S3C2410_EXTINT0 -> irq sense control for EINT0..EINT7 + * S3C2410_EXTINT1 -> irq sense control for EINT8..EINT15 + * S3C2410_EXTINT2 -> irq sense control for EINT16..EINT23 + * + * note S3C2410_EXTINT2 has filtering options for EINT16..EINT23 + * + * Samsung datasheet p9-25 +*/ +#define S3C2410_EXTINT0 S3C2410_GPIOREG(0x88) +#define S3C2410_EXTINT1 S3C2410_GPIOREG(0x8C) +#define S3C2410_EXTINT2 S3C2410_GPIOREG(0x90) + +#define S3C24XX_EXTINT0 S3C24XX_GPIOREG2(0x88) +#define S3C24XX_EXTINT1 S3C24XX_GPIOREG2(0x8C) +#define S3C24XX_EXTINT2 S3C24XX_GPIOREG2(0x90) + +/* interrupt filtering conrrol for EINT16..EINT23 */ +#define S3C2410_EINFLT0 S3C2410_GPIOREG(0x94) +#define S3C2410_EINFLT1 S3C2410_GPIOREG(0x98) +#define S3C2410_EINFLT2 S3C2410_GPIOREG(0x9C) +#define S3C2410_EINFLT3 S3C2410_GPIOREG(0xA0) + +#define S3C24XX_EINFLT0 S3C24XX_GPIOREG2(0x94) +#define S3C24XX_EINFLT1 S3C24XX_GPIOREG2(0x98) +#define S3C24XX_EINFLT2 S3C24XX_GPIOREG2(0x9C) +#define S3C24XX_EINFLT3 S3C24XX_GPIOREG2(0xA0) + +/* values for interrupt filtering */ +#define S3C2410_EINTFLT_PCLK (0x00) +#define S3C2410_EINTFLT_EXTCLK (1<<7) +#define S3C2410_EINTFLT_WIDTHMSK(x) ((x) & 0x3f) + +/* removed EINTxxxx defs from here, not meant for this */ + +/* GSTATUS have miscellaneous information in them + * + * These move between s3c2410 and s3c2412 style systems. + */ + +#define S3C2410_GSTATUS0 S3C2410_GPIOREG(0x0AC) +#define S3C2410_GSTATUS1 S3C2410_GPIOREG(0x0B0) +#define S3C2410_GSTATUS2 S3C2410_GPIOREG(0x0B4) +#define S3C2410_GSTATUS3 S3C2410_GPIOREG(0x0B8) +#define S3C2410_GSTATUS4 S3C2410_GPIOREG(0x0BC) + +#define S3C2412_GSTATUS0 S3C2410_GPIOREG(0x0BC) +#define S3C2412_GSTATUS1 S3C2410_GPIOREG(0x0C0) +#define S3C2412_GSTATUS2 S3C2410_GPIOREG(0x0C4) +#define S3C2412_GSTATUS3 S3C2410_GPIOREG(0x0C8) +#define S3C2412_GSTATUS4 S3C2410_GPIOREG(0x0CC) + +#define S3C24XX_GSTATUS0 S3C24XX_GPIOREG2(0x0AC) +#define S3C24XX_GSTATUS1 S3C24XX_GPIOREG2(0x0B0) +#define S3C24XX_GSTATUS2 S3C24XX_GPIOREG2(0x0B4) +#define S3C24XX_GSTATUS3 S3C24XX_GPIOREG2(0x0B8) +#define S3C24XX_GSTATUS4 S3C24XX_GPIOREG2(0x0BC) + +#define S3C2410_GSTATUS0_nWAIT (1<<3) +#define S3C2410_GSTATUS0_NCON (1<<2) +#define S3C2410_GSTATUS0_RnB (1<<1) +#define S3C2410_GSTATUS0_nBATTFLT (1<<0) + +#define S3C2410_GSTATUS1_IDMASK (0xffff0000) +#define S3C2410_GSTATUS1_2410 (0x32410000) +#define S3C2410_GSTATUS1_2412 (0x32412001) +#define S3C2410_GSTATUS1_2416 (0x32416003) +#define S3C2410_GSTATUS1_2440 (0x32440000) +#define S3C2410_GSTATUS1_2442 (0x32440aaa) +/* some 2416 CPUs report this value also */ +#define S3C2410_GSTATUS1_2450 (0x32450003) + +#define S3C2410_GSTATUS2_WTRESET (1<<2) +#define S3C2410_GSTATUS2_OFFRESET (1<<1) +#define S3C2410_GSTATUS2_PONRESET (1<<0) + +/* 2412/2413 sleep configuration registers */ + +#define S3C2412_GPBSLPCON S3C2410_GPIOREG(0x1C) +#define S3C2412_GPCSLPCON S3C2410_GPIOREG(0x2C) +#define S3C2412_GPDSLPCON S3C2410_GPIOREG(0x3C) +#define S3C2412_GPFSLPCON S3C2410_GPIOREG(0x5C) +#define S3C2412_GPGSLPCON S3C2410_GPIOREG(0x6C) +#define S3C2412_GPHSLPCON S3C2410_GPIOREG(0x7C) + +/* definitions for each pin bit */ +#define S3C2412_GPIO_SLPCON_LOW ( 0x00 ) +#define S3C2412_GPIO_SLPCON_HIGH ( 0x01 ) +#define S3C2412_GPIO_SLPCON_IN ( 0x02 ) +#define S3C2412_GPIO_SLPCON_PULL ( 0x03 ) + +#define S3C2412_SLPCON_LOW(x) ( 0x00 << ((x) * 2)) +#define S3C2412_SLPCON_HIGH(x) ( 0x01 << ((x) * 2)) +#define S3C2412_SLPCON_IN(x) ( 0x02 << ((x) * 2)) +#define S3C2412_SLPCON_PULL(x) ( 0x03 << ((x) * 2)) +#define S3C2412_SLPCON_EINT(x) ( 0x02 << ((x) * 2)) /* only IRQ pins */ +#define S3C2412_SLPCON_MASK(x) ( 0x03 << ((x) * 2)) + +#define S3C2412_SLPCON_ALL_LOW (0x0) +#define S3C2412_SLPCON_ALL_HIGH (0x11111111 | 0x44444444) +#define S3C2412_SLPCON_ALL_IN (0x22222222 | 0x88888888) +#define S3C2412_SLPCON_ALL_PULL (0x33333333) + +#endif /* __ASM_ARCH_REGS_GPIO_H */ + diff --git a/arch/arm/mach-s3c24xx/include/mach/regs-irq.h b/arch/arm/mach-s3c24xx/include/mach/regs-irq.h new file mode 100644 index 00000000000..0f07ba30b1f --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/regs-irq.h @@ -0,0 +1,53 @@ +/* arch/arm/mach-s3c2410/include/mach/regs-irq.h + * + * Copyright (c) 2003 Simtec Electronics <linux@simtec.co.uk> + * http://www.simtec.co.uk/products/SWLINUX/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + + +#ifndef ___ASM_ARCH_REGS_IRQ_H +#define ___ASM_ARCH_REGS_IRQ_H + +/* interrupt controller */ + +#define S3C2410_IRQREG(x) ((x) + S3C24XX_VA_IRQ) +#define S3C2410_EINTREG(x) ((x) + S3C24XX_VA_GPIO) +#define S3C24XX_EINTREG(x) ((x) + S3C24XX_VA_GPIO2) + +#define S3C2410_SRCPND S3C2410_IRQREG(0x000) +#define S3C2410_INTMOD S3C2410_IRQREG(0x004) +#define S3C2410_INTMSK S3C2410_IRQREG(0x008) +#define S3C2410_PRIORITY S3C2410_IRQREG(0x00C) +#define S3C2410_INTPND S3C2410_IRQREG(0x010) +#define S3C2410_INTOFFSET S3C2410_IRQREG(0x014) +#define S3C2410_SUBSRCPND S3C2410_IRQREG(0x018) +#define S3C2410_INTSUBMSK S3C2410_IRQREG(0x01C) + +#define S3C2416_PRIORITY_MODE1 S3C2410_IRQREG(0x030) +#define S3C2416_PRIORITY_UPDATE1 S3C2410_IRQREG(0x034) +#define S3C2416_SRCPND2 S3C2410_IRQREG(0x040) +#define S3C2416_INTMOD2 S3C2410_IRQREG(0x044) +#define S3C2416_INTMSK2 S3C2410_IRQREG(0x048) +#define S3C2416_INTPND2 S3C2410_IRQREG(0x050) +#define S3C2416_INTOFFSET2 S3C2410_IRQREG(0x054) +#define S3C2416_PRIORITY_MODE2 S3C2410_IRQREG(0x070) +#define S3C2416_PRIORITY_UPDATE2 S3C2410_IRQREG(0x074) + +/* mask: 0=enable, 1=disable + * 1 bit EINT, 4=EINT4, 23=EINT23 + * EINT0,1,2,3 are not handled here. +*/ + +#define S3C2410_EINTMASK S3C2410_EINTREG(0x0A4) +#define S3C2410_EINTPEND S3C2410_EINTREG(0X0A8) +#define S3C2412_EINTMASK S3C2410_EINTREG(0x0B4) +#define S3C2412_EINTPEND S3C2410_EINTREG(0X0B8) + +#define S3C24XX_EINTMASK S3C24XX_EINTREG(0x0A4) +#define S3C24XX_EINTPEND S3C24XX_EINTREG(0X0A8) + +#endif /* ___ASM_ARCH_REGS_IRQ_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/regs-lcd.h b/arch/arm/mach-s3c24xx/include/mach/regs-lcd.h new file mode 100644 index 00000000000..ee8f040aff5 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/regs-lcd.h @@ -0,0 +1,162 @@ +/* arch/arm/mach-s3c2410/include/mach/regs-lcd.h + * + * Copyright (c) 2003 Simtec Electronics <linux@simtec.co.uk> + * http://www.simtec.co.uk/products/SWLINUX/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + + +#ifndef ___ASM_ARCH_REGS_LCD_H +#define ___ASM_ARCH_REGS_LCD_H + +#define S3C2410_LCDREG(x) (x) + +/* LCD control registers */ +#define S3C2410_LCDCON1 S3C2410_LCDREG(0x00) +#define S3C2410_LCDCON2 S3C2410_LCDREG(0x04) +#define S3C2410_LCDCON3 S3C2410_LCDREG(0x08) +#define S3C2410_LCDCON4 S3C2410_LCDREG(0x0C) +#define S3C2410_LCDCON5 S3C2410_LCDREG(0x10) + +#define S3C2410_LCDCON1_CLKVAL(x) ((x) << 8) +#define S3C2410_LCDCON1_MMODE (1<<7) +#define S3C2410_LCDCON1_DSCAN4 (0<<5) +#define S3C2410_LCDCON1_STN4 (1<<5) +#define S3C2410_LCDCON1_STN8 (2<<5) +#define S3C2410_LCDCON1_TFT (3<<5) + +#define S3C2410_LCDCON1_STN1BPP (0<<1) +#define S3C2410_LCDCON1_STN2GREY (1<<1) +#define S3C2410_LCDCON1_STN4GREY (2<<1) +#define S3C2410_LCDCON1_STN8BPP (3<<1) +#define S3C2410_LCDCON1_STN12BPP (4<<1) + +#define S3C2410_LCDCON1_TFT1BPP (8<<1) +#define S3C2410_LCDCON1_TFT2BPP (9<<1) +#define S3C2410_LCDCON1_TFT4BPP (10<<1) +#define S3C2410_LCDCON1_TFT8BPP (11<<1) +#define S3C2410_LCDCON1_TFT16BPP (12<<1) +#define S3C2410_LCDCON1_TFT24BPP (13<<1) + +#define S3C2410_LCDCON1_ENVID (1) + +#define S3C2410_LCDCON1_MODEMASK 0x1E + +#define S3C2410_LCDCON2_VBPD(x) ((x) << 24) +#define S3C2410_LCDCON2_LINEVAL(x) ((x) << 14) +#define S3C2410_LCDCON2_VFPD(x) ((x) << 6) +#define S3C2410_LCDCON2_VSPW(x) ((x) << 0) + +#define S3C2410_LCDCON2_GET_VBPD(x) ( ((x) >> 24) & 0xFF) +#define S3C2410_LCDCON2_GET_VFPD(x) ( ((x) >> 6) & 0xFF) +#define S3C2410_LCDCON2_GET_VSPW(x) ( ((x) >> 0) & 0x3F) + +#define S3C2410_LCDCON3_HBPD(x) ((x) << 19) +#define S3C2410_LCDCON3_WDLY(x) ((x) << 19) +#define S3C2410_LCDCON3_HOZVAL(x) ((x) << 8) +#define S3C2410_LCDCON3_HFPD(x) ((x) << 0) +#define S3C2410_LCDCON3_LINEBLANK(x)((x) << 0) + +#define S3C2410_LCDCON3_GET_HBPD(x) ( ((x) >> 19) & 0x7F) +#define S3C2410_LCDCON3_GET_HFPD(x) ( ((x) >> 0) & 0xFF) + +/* LDCCON4 changes for STN mode on the S3C2412 */ + +#define S3C2410_LCDCON4_MVAL(x) ((x) << 8) +#define S3C2410_LCDCON4_HSPW(x) ((x) << 0) +#define S3C2410_LCDCON4_WLH(x) ((x) << 0) + +#define S3C2410_LCDCON4_GET_HSPW(x) ( ((x) >> 0) & 0xFF) + +#define S3C2410_LCDCON5_BPP24BL (1<<12) +#define S3C2410_LCDCON5_FRM565 (1<<11) +#define S3C2410_LCDCON5_INVVCLK (1<<10) +#define S3C2410_LCDCON5_INVVLINE (1<<9) +#define S3C2410_LCDCON5_INVVFRAME (1<<8) +#define S3C2410_LCDCON5_INVVD (1<<7) +#define S3C2410_LCDCON5_INVVDEN (1<<6) +#define S3C2410_LCDCON5_INVPWREN (1<<5) +#define S3C2410_LCDCON5_INVLEND (1<<4) +#define S3C2410_LCDCON5_PWREN (1<<3) +#define S3C2410_LCDCON5_ENLEND (1<<2) +#define S3C2410_LCDCON5_BSWP (1<<1) +#define S3C2410_LCDCON5_HWSWP (1<<0) + +/* framebuffer start addressed */ +#define S3C2410_LCDSADDR1 S3C2410_LCDREG(0x14) +#define S3C2410_LCDSADDR2 S3C2410_LCDREG(0x18) +#define S3C2410_LCDSADDR3 S3C2410_LCDREG(0x1C) + +#define S3C2410_LCDBANK(x) ((x) << 21) +#define S3C2410_LCDBASEU(x) (x) + +#define S3C2410_OFFSIZE(x) ((x) << 11) +#define S3C2410_PAGEWIDTH(x) (x) + +/* colour lookup and miscellaneous controls */ + +#define S3C2410_REDLUT S3C2410_LCDREG(0x20) +#define S3C2410_GREENLUT S3C2410_LCDREG(0x24) +#define S3C2410_BLUELUT S3C2410_LCDREG(0x28) + +#define S3C2410_DITHMODE S3C2410_LCDREG(0x4C) +#define S3C2410_TPAL S3C2410_LCDREG(0x50) + +#define S3C2410_TPAL_EN (1<<24) + +/* interrupt info */ +#define S3C2410_LCDINTPND S3C2410_LCDREG(0x54) +#define S3C2410_LCDSRCPND S3C2410_LCDREG(0x58) +#define S3C2410_LCDINTMSK S3C2410_LCDREG(0x5C) +#define S3C2410_LCDINT_FIWSEL (1<<2) +#define S3C2410_LCDINT_FRSYNC (1<<1) +#define S3C2410_LCDINT_FICNT (1<<0) + +/* s3c2442 extra stn registers */ + +#define S3C2442_REDLUT S3C2410_LCDREG(0x20) +#define S3C2442_GREENLUT S3C2410_LCDREG(0x24) +#define S3C2442_BLUELUT S3C2410_LCDREG(0x28) +#define S3C2442_DITHMODE S3C2410_LCDREG(0x20) + +#define S3C2410_LPCSEL S3C2410_LCDREG(0x60) + +#define S3C2410_TFTPAL(x) S3C2410_LCDREG((0x400 + (x)*4)) + +/* S3C2412 registers */ + +#define S3C2412_TPAL S3C2410_LCDREG(0x20) + +#define S3C2412_LCDINTPND S3C2410_LCDREG(0x24) +#define S3C2412_LCDSRCPND S3C2410_LCDREG(0x28) +#define S3C2412_LCDINTMSK S3C2410_LCDREG(0x2C) + +#define S3C2412_TCONSEL S3C2410_LCDREG(0x30) + +#define S3C2412_LCDCON6 S3C2410_LCDREG(0x34) +#define S3C2412_LCDCON7 S3C2410_LCDREG(0x38) +#define S3C2412_LCDCON8 S3C2410_LCDREG(0x3C) +#define S3C2412_LCDCON9 S3C2410_LCDREG(0x40) + +#define S3C2412_REDLUT(x) S3C2410_LCDREG(0x44 + ((x)*4)) +#define S3C2412_GREENLUT(x) S3C2410_LCDREG(0x60 + ((x)*4)) +#define S3C2412_BLUELUT(x) S3C2410_LCDREG(0x98 + ((x)*4)) + +#define S3C2412_FRCPAT(x) S3C2410_LCDREG(0xB4 + ((x)*4)) + +/* general registers */ + +/* base of the LCD registers, where INTPND, INTSRC and then INTMSK + * are available. */ + +#define S3C2410_LCDINTBASE S3C2410_LCDREG(0x54) +#define S3C2412_LCDINTBASE S3C2410_LCDREG(0x24) + +#define S3C24XX_LCDINTPND (0x00) +#define S3C24XX_LCDSRCPND (0x04) +#define S3C24XX_LCDINTMSK (0x08) + +#endif /* ___ASM_ARCH_REGS_LCD_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/regs-s3c2443-clock.h b/arch/arm/mach-s3c24xx/include/mach/regs-s3c2443-clock.h new file mode 100644 index 00000000000..c3feff3c048 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/regs-s3c2443-clock.h @@ -0,0 +1,194 @@ +/* arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h + * + * Copyright (c) 2007 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * S3C2443 clock register definitions +*/ + +#ifndef __ASM_ARM_REGS_S3C2443_CLOCK +#define __ASM_ARM_REGS_S3C2443_CLOCK + +#define S3C2443_CLKREG(x) ((x) + S3C24XX_VA_CLKPWR) + +#define S3C2443_PLLCON_MDIVSHIFT 16 +#define S3C2443_PLLCON_PDIVSHIFT 8 +#define S3C2443_PLLCON_SDIVSHIFT 0 +#define S3C2443_PLLCON_MDIVMASK ((1<<(1+(23-16)))-1) +#define S3C2443_PLLCON_PDIVMASK ((1<<(1+(9-8)))-1) +#define S3C2443_PLLCON_SDIVMASK (3) + +#define S3C2443_MPLLCON S3C2443_CLKREG(0x10) +#define S3C2443_EPLLCON S3C2443_CLKREG(0x18) +#define S3C2443_CLKSRC S3C2443_CLKREG(0x20) +#define S3C2443_CLKDIV0 S3C2443_CLKREG(0x24) +#define S3C2443_CLKDIV1 S3C2443_CLKREG(0x28) +#define S3C2443_HCLKCON S3C2443_CLKREG(0x30) +#define S3C2443_PCLKCON S3C2443_CLKREG(0x34) +#define S3C2443_SCLKCON S3C2443_CLKREG(0x38) +#define S3C2443_PWRMODE S3C2443_CLKREG(0x40) +#define S3C2443_SWRST S3C2443_CLKREG(0x44) +#define S3C2443_BUSPRI0 S3C2443_CLKREG(0x50) +#define S3C2443_SYSID S3C2443_CLKREG(0x5C) +#define S3C2443_PWRCFG S3C2443_CLKREG(0x60) +#define S3C2443_RSTCON S3C2443_CLKREG(0x64) +#define S3C2443_PHYCTRL S3C2443_CLKREG(0x80) +#define S3C2443_PHYPWR S3C2443_CLKREG(0x84) +#define S3C2443_URSTCON S3C2443_CLKREG(0x88) +#define S3C2443_UCLKCON S3C2443_CLKREG(0x8C) + +#define S3C2443_SWRST_RESET (0x533c2443) + +#define S3C2443_PLLCON_OFF (1<<24) + +#define S3C2443_CLKSRC_EPLLREF_XTAL (2<<7) +#define S3C2443_CLKSRC_EPLLREF_EXTCLK (3<<7) +#define S3C2443_CLKSRC_EPLLREF_MPLLREF (0<<7) +#define S3C2443_CLKSRC_EPLLREF_MPLLREF2 (1<<7) +#define S3C2443_CLKSRC_EPLLREF_MASK (3<<7) + +#define S3C2443_CLKSRC_EXTCLK_DIV (1<<3) + +#define S3C2443_CLKDIV0_HALF_HCLK (1<<3) +#define S3C2443_CLKDIV0_HALF_PCLK (1<<2) + +#define S3C2443_CLKDIV0_HCLKDIV_MASK (3<<0) + +#define S3C2443_CLKDIV0_EXTDIV_MASK (3<<6) +#define S3C2443_CLKDIV0_EXTDIV_SHIFT (6) + +#define S3C2443_CLKDIV0_PREDIV_MASK (3<<4) +#define S3C2443_CLKDIV0_PREDIV_SHIFT (4) + +#define S3C2416_CLKDIV0_ARMDIV_MASK (7 << 9) +#define S3C2443_CLKDIV0_ARMDIV_MASK (15<<9) +#define S3C2443_CLKDIV0_ARMDIV_SHIFT (9) +#define S3C2443_CLKDIV0_ARMDIV_1 (0<<9) +#define S3C2443_CLKDIV0_ARMDIV_2 (8<<9) +#define S3C2443_CLKDIV0_ARMDIV_3 (2<<9) +#define S3C2443_CLKDIV0_ARMDIV_4 (9<<9) +#define S3C2443_CLKDIV0_ARMDIV_6 (10<<9) +#define S3C2443_CLKDIV0_ARMDIV_8 (11<<9) +#define S3C2443_CLKDIV0_ARMDIV_12 (13<<9) +#define S3C2443_CLKDIV0_ARMDIV_16 (15<<9) + +/* S3C2443_CLKDIV1 removed, only used in clock.c code */ + +#define S3C2443_CLKCON_NAND + +#define S3C2443_HCLKCON_DMA0 (1<<0) +#define S3C2443_HCLKCON_DMA1 (1<<1) +#define S3C2443_HCLKCON_DMA2 (1<<2) +#define S3C2443_HCLKCON_DMA3 (1<<3) +#define S3C2443_HCLKCON_DMA4 (1<<4) +#define S3C2443_HCLKCON_DMA5 (1<<5) +#define S3C2443_HCLKCON_CAMIF (1<<8) +#define S3C2443_HCLKCON_LCDC (1<<9) +#define S3C2443_HCLKCON_USBH (1<<11) +#define S3C2443_HCLKCON_USBD (1<<12) +#define S3C2416_HCLKCON_HSMMC0 (1<<15) +#define S3C2443_HCLKCON_HSMMC (1<<16) +#define S3C2443_HCLKCON_CFC (1<<17) +#define S3C2443_HCLKCON_SSMC (1<<18) +#define S3C2443_HCLKCON_DRAMC (1<<19) + +#define S3C2443_PCLKCON_UART0 (1<<0) +#define S3C2443_PCLKCON_UART1 (1<<1) +#define S3C2443_PCLKCON_UART2 (1<<2) +#define S3C2443_PCLKCON_UART3 (1<<3) +#define S3C2443_PCLKCON_IIC (1<<4) +#define S3C2443_PCLKCON_SDI (1<<5) +#define S3C2443_PCLKCON_HSSPI (1<<6) +#define S3C2443_PCLKCON_ADC (1<<7) +#define S3C2443_PCLKCON_AC97 (1<<8) +#define S3C2443_PCLKCON_IIS (1<<9) +#define S3C2443_PCLKCON_PWMT (1<<10) +#define S3C2443_PCLKCON_WDT (1<<11) +#define S3C2443_PCLKCON_RTC (1<<12) +#define S3C2443_PCLKCON_GPIO (1<<13) +#define S3C2443_PCLKCON_SPI0 (1<<14) +#define S3C2443_PCLKCON_SPI1 (1<<15) + +#define S3C2443_SCLKCON_DDRCLK (1<<16) +#define S3C2443_SCLKCON_SSMCCLK (1<<15) +#define S3C2443_SCLKCON_HSSPICLK (1<<14) +#define S3C2443_SCLKCON_HSMMCCLK_EXT (1<<13) +#define S3C2443_SCLKCON_HSMMCCLK_EPLL (1<<12) +#define S3C2443_SCLKCON_CAMCLK (1<<11) +#define S3C2443_SCLKCON_DISPCLK (1<<10) +#define S3C2443_SCLKCON_I2SCLK (1<<9) +#define S3C2443_SCLKCON_UARTCLK (1<<8) +#define S3C2443_SCLKCON_USBHOST (1<<1) + +#define S3C2443_PWRCFG_SLEEP (1<<15) + +#define S3C2443_PWRCFG_USBPHY (1 << 4) + +#define S3C2443_URSTCON_FUNCRST (1 << 2) +#define S3C2443_URSTCON_PHYRST (1 << 0) + +#define S3C2443_PHYCTRL_CLKSEL (1 << 3) +#define S3C2443_PHYCTRL_EXTCLK (1 << 2) +#define S3C2443_PHYCTRL_PLLSEL (1 << 1) +#define S3C2443_PHYCTRL_DSPORT (1 << 0) + +#define S3C2443_PHYPWR_COMMON_ON (1 << 31) +#define S3C2443_PHYPWR_ANALOG_PD (1 << 4) +#define S3C2443_PHYPWR_PLL_REFCLK (1 << 3) +#define S3C2443_PHYPWR_XO_ON (1 << 2) +#define S3C2443_PHYPWR_PLL_PWRDN (1 << 1) +#define S3C2443_PHYPWR_FSUSPEND (1 << 0) + +#define S3C2443_UCLKCON_DETECT_VBUS (1 << 31) +#define S3C2443_UCLKCON_FUNC_CLKEN (1 << 2) +#define S3C2443_UCLKCON_TCLKEN (1 << 0) + +#include <asm/div64.h> + +static inline unsigned int +s3c2443_get_mpll(unsigned int pllval, unsigned int baseclk) +{ + unsigned int mdiv, pdiv, sdiv; + uint64_t fvco; + + mdiv = pllval >> S3C2443_PLLCON_MDIVSHIFT; + pdiv = pllval >> S3C2443_PLLCON_PDIVSHIFT; + sdiv = pllval >> S3C2443_PLLCON_SDIVSHIFT; + + mdiv &= S3C2443_PLLCON_MDIVMASK; + pdiv &= S3C2443_PLLCON_PDIVMASK; + sdiv &= S3C2443_PLLCON_SDIVMASK; + + fvco = (uint64_t)baseclk * (2 * (mdiv + 8)); + do_div(fvco, pdiv << sdiv); + + return (unsigned int)fvco; +} + +static inline unsigned int +s3c2443_get_epll(unsigned int pllval, unsigned int baseclk) +{ + unsigned int mdiv, pdiv, sdiv; + uint64_t fvco; + + mdiv = pllval >> S3C2443_PLLCON_MDIVSHIFT; + pdiv = pllval >> S3C2443_PLLCON_PDIVSHIFT; + sdiv = pllval >> S3C2443_PLLCON_SDIVSHIFT; + + mdiv &= S3C2443_PLLCON_MDIVMASK; + pdiv &= S3C2443_PLLCON_PDIVMASK; + sdiv &= S3C2443_PLLCON_SDIVMASK; + + fvco = (uint64_t)baseclk * (mdiv + 8); + do_div(fvco, (pdiv + 2) << sdiv); + + return (unsigned int)fvco; +} + +#endif /* __ASM_ARM_REGS_S3C2443_CLOCK */ + diff --git a/arch/arm/mach-s3c24xx/include/mach/rtc-core.h b/arch/arm/mach-s3c24xx/include/mach/rtc-core.h new file mode 100644 index 00000000000..4d5f5768f70 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/rtc-core.h @@ -0,0 +1,26 @@ +/* + * Copyright (c) 2011 Heiko Stuebner <heiko@sntech.de> + * + * Samsung RTC Controller core functions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __RTC_CORE_H +#define __RTC_CORE_H __FILE__ + +/* These functions are only for use with the core support code, such as + * the cpu specific initialisation code + */ + +extern struct platform_device s3c_device_rtc; + +/* re-define device name depending on support. */ +static inline void s3c_rtc_setname(char *name) +{ + s3c_device_rtc.name = name; +} + +#endif /* __RTC_CORE_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/s3c2412.h b/arch/arm/mach-s3c24xx/include/mach/s3c2412.h new file mode 100644 index 00000000000..548ced42cbb --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/s3c2412.h @@ -0,0 +1,26 @@ +/* + * Copyright (c) 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ARCH_ARM_MACH_S3C24XX_S3C2412_H +#define __ARCH_ARM_REGS_S3C24XX_S3C2412_H __FILE__ + +#define S3C2412_MEMREG(x) (S3C24XX_VA_MEMCTRL + (x)) +#define S3C2412_EBIREG(x) (S3C2412_VA_EBI + (x)) + +#define S3C2412_SSMCREG(x) (S3C2412_VA_SSMC + (x)) +#define S3C2412_SSMC(x, o) (S3C2412_SSMCREG((x * 0x20) + (o))) + +#define S3C2412_REFRESH S3C2412_MEMREG(0x10) + +#define S3C2412_EBI_BANKCFG S3C2412_EBIREG(0x4) + +#define S3C2412_SSMC_BANK(x) S3C2412_SSMC(x, 0x0) + +#endif /* __ARCH_ARM_MACH_S3C24XX_S3C2412_H */ diff --git a/arch/arm/mach-s3c24xx/iotiming-s3c2410.c b/arch/arm/mach-s3c24xx/iotiming-s3c2410.c new file mode 100644 index 00000000000..4cd13ab6496 --- /dev/null +++ b/arch/arm/mach-s3c24xx/iotiming-s3c2410.c @@ -0,0 +1,478 @@ +/* + * Copyright (c) 2006-2009 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * S3C24XX CPU Frequency scaling - IO timing for S3C2410/S3C2440/S3C2442 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/cpufreq.h> +#include <linux/seq_file.h> +#include <linux/io.h> +#include <linux/slab.h> + +#include <mach/map.h> +#include <mach/regs-clock.h> + +#include <plat/cpu-freq-core.h> + +#include "regs-mem.h" + +#define print_ns(x) ((x) / 10), ((x) % 10) + +/** + * s3c2410_print_timing - print bank timing data for debug purposes + * @pfx: The prefix to put on the output + * @timings: The timing inforamtion to print. +*/ +static void s3c2410_print_timing(const char *pfx, + struct s3c_iotimings *timings) +{ + struct s3c2410_iobank_timing *bt; + int bank; + + for (bank = 0; bank < MAX_BANKS; bank++) { + bt = timings->bank[bank].io_2410; + if (!bt) + continue; + + printk(KERN_DEBUG "%s %d: Tacs=%d.%d, Tcos=%d.%d, Tacc=%d.%d, " + "Tcoh=%d.%d, Tcah=%d.%d\n", pfx, bank, + print_ns(bt->tacs), + print_ns(bt->tcos), + print_ns(bt->tacc), + print_ns(bt->tcoh), + print_ns(bt->tcah)); + } +} + +/** + * bank_reg - convert bank number to pointer to the control register. + * @bank: The IO bank number. + */ +static inline void __iomem *bank_reg(unsigned int bank) +{ + return S3C2410_BANKCON0 + (bank << 2); +} + +/** + * bank_is_io - test whether bank is used for IO + * @bankcon: The bank control register. + * + * This is a simplistic test to see if any BANKCON[x] is not an IO + * bank. It currently does not take into account whether BWSCON has + * an illegal width-setting in it, or if the pin connected to nCS[x] + * is actually being handled as a chip-select. + */ +static inline int bank_is_io(unsigned long bankcon) +{ + return !(bankcon & S3C2410_BANKCON_SDRAM); +} + +/** + * to_div - convert cycle time to divisor + * @cyc: The cycle time, in 10ths of nanoseconds. + * @hclk_tns: The cycle time for HCLK, in 10ths of nanoseconds. + * + * Convert the given cycle time into the divisor to use to obtain it from + * HCLK. +*/ +static inline unsigned int to_div(unsigned int cyc, unsigned int hclk_tns) +{ + if (cyc == 0) + return 0; + + return DIV_ROUND_UP(cyc, hclk_tns); +} + +/** + * calc_0124 - calculate divisor control for divisors that do /0, /1. /2 and /4 + * @cyc: The cycle time, in 10ths of nanoseconds. + * @hclk_tns: The cycle time for HCLK, in 10ths of nanoseconds. + * @v: Pointer to register to alter. + * @shift: The shift to get to the control bits. + * + * Calculate the divisor, and turn it into the correct control bits to + * set in the result, @v. + */ +static unsigned int calc_0124(unsigned int cyc, unsigned long hclk_tns, + unsigned long *v, int shift) +{ + unsigned int div = to_div(cyc, hclk_tns); + unsigned long val; + + s3c_freq_iodbg("%s: cyc=%d, hclk=%lu, shift=%d => div %d\n", + __func__, cyc, hclk_tns, shift, div); + + switch (div) { + case 0: + val = 0; + break; + case 1: + val = 1; + break; + case 2: + val = 2; + break; + case 3: + case 4: + val = 3; + break; + default: + return -1; + } + + *v |= val << shift; + return 0; +} + +int calc_tacp(unsigned int cyc, unsigned long hclk, unsigned long *v) +{ + /* Currently no support for Tacp calculations. */ + return 0; +} + +/** + * calc_tacc - calculate divisor control for tacc. + * @cyc: The cycle time, in 10ths of nanoseconds. + * @nwait_en: IS nWAIT enabled for this bank. + * @hclk_tns: The cycle time for HCLK, in 10ths of nanoseconds. + * @v: Pointer to register to alter. + * + * Calculate the divisor control for tACC, taking into account whether + * the bank has nWAIT enabled. The result is used to modify the value + * pointed to by @v. +*/ +static int calc_tacc(unsigned int cyc, int nwait_en, + unsigned long hclk_tns, unsigned long *v) +{ + unsigned int div = to_div(cyc, hclk_tns); + unsigned long val; + + s3c_freq_iodbg("%s: cyc=%u, nwait=%d, hclk=%lu => div=%u\n", + __func__, cyc, nwait_en, hclk_tns, div); + + /* if nWait enabled on an bank, Tacc must be at-least 4 cycles. */ + if (nwait_en && div < 4) + div = 4; + + switch (div) { + case 0: + val = 0; + break; + + case 1: + case 2: + case 3: + case 4: + val = div - 1; + break; + + case 5: + case 6: + val = 4; + break; + + case 7: + case 8: + val = 5; + break; + + case 9: + case 10: + val = 6; + break; + + case 11: + case 12: + case 13: + case 14: + val = 7; + break; + + default: + return -1; + } + + *v |= val << 8; + return 0; +} + +/** + * s3c2410_calc_bank - calculate bank timing infromation + * @cfg: The configuration we need to calculate for. + * @bt: The bank timing information. + * + * Given the cycle timine for a bank @bt, calculate the new BANKCON + * setting for the @cfg timing. This updates the timing information + * ready for the cpu frequency change. + */ +static int s3c2410_calc_bank(struct s3c_cpufreq_config *cfg, + struct s3c2410_iobank_timing *bt) +{ + unsigned long hclk = cfg->freq.hclk_tns; + unsigned long res; + int ret; + + res = bt->bankcon; + res &= (S3C2410_BANKCON_SDRAM | S3C2410_BANKCON_PMC16); + + /* tacp: 2,3,4,5 */ + /* tcah: 0,1,2,4 */ + /* tcoh: 0,1,2,4 */ + /* tacc: 1,2,3,4,6,7,10,14 (>4 for nwait) */ + /* tcos: 0,1,2,4 */ + /* tacs: 0,1,2,4 */ + + ret = calc_0124(bt->tacs, hclk, &res, S3C2410_BANKCON_Tacs_SHIFT); + ret |= calc_0124(bt->tcos, hclk, &res, S3C2410_BANKCON_Tcos_SHIFT); + ret |= calc_0124(bt->tcah, hclk, &res, S3C2410_BANKCON_Tcah_SHIFT); + ret |= calc_0124(bt->tcoh, hclk, &res, S3C2410_BANKCON_Tcoh_SHIFT); + + if (ret) + return -EINVAL; + + ret |= calc_tacp(bt->tacp, hclk, &res); + ret |= calc_tacc(bt->tacc, bt->nwait_en, hclk, &res); + + if (ret) + return -EINVAL; + + bt->bankcon = res; + return 0; +} + +static unsigned int tacc_tab[] = { + [0] = 1, + [1] = 2, + [2] = 3, + [3] = 4, + [4] = 6, + [5] = 9, + [6] = 10, + [7] = 14, +}; + +/** + * get_tacc - turn tACC value into cycle time + * @hclk_tns: The cycle time for HCLK, in 10ths of nanoseconds. + * @val: The bank timing register value, shifed down. + */ +static unsigned int get_tacc(unsigned long hclk_tns, + unsigned long val) +{ + val &= 7; + return hclk_tns * tacc_tab[val]; +} + +/** + * get_0124 - turn 0/1/2/4 divider into cycle time + * @hclk_tns: The cycle time for HCLK, in 10ths of nanoseconds. + * @val: The bank timing register value, shifed down. + */ +static unsigned int get_0124(unsigned long hclk_tns, + unsigned long val) +{ + val &= 3; + return hclk_tns * ((val == 3) ? 4 : val); +} + +/** + * s3c2410_iotiming_getbank - turn BANKCON into cycle time information + * @cfg: The frequency configuration + * @bt: The bank timing to fill in (uses cached BANKCON) + * + * Given the BANKCON setting in @bt and the current frequency settings + * in @cfg, update the cycle timing information. + */ +void s3c2410_iotiming_getbank(struct s3c_cpufreq_config *cfg, + struct s3c2410_iobank_timing *bt) +{ + unsigned long bankcon = bt->bankcon; + unsigned long hclk = cfg->freq.hclk_tns; + + bt->tcah = get_0124(hclk, bankcon >> S3C2410_BANKCON_Tcah_SHIFT); + bt->tcoh = get_0124(hclk, bankcon >> S3C2410_BANKCON_Tcoh_SHIFT); + bt->tcos = get_0124(hclk, bankcon >> S3C2410_BANKCON_Tcos_SHIFT); + bt->tacs = get_0124(hclk, bankcon >> S3C2410_BANKCON_Tacs_SHIFT); + bt->tacc = get_tacc(hclk, bankcon >> S3C2410_BANKCON_Tacc_SHIFT); +} + +/** + * s3c2410_iotiming_debugfs - debugfs show io bank timing information + * @seq: The seq_file to write output to using seq_printf(). + * @cfg: The current configuration. + * @iob: The IO bank information to decode. + */ +void s3c2410_iotiming_debugfs(struct seq_file *seq, + struct s3c_cpufreq_config *cfg, + union s3c_iobank *iob) +{ + struct s3c2410_iobank_timing *bt = iob->io_2410; + unsigned long bankcon = bt->bankcon; + unsigned long hclk = cfg->freq.hclk_tns; + unsigned int tacs; + unsigned int tcos; + unsigned int tacc; + unsigned int tcoh; + unsigned int tcah; + + seq_printf(seq, "BANKCON=0x%08lx\n", bankcon); + + tcah = get_0124(hclk, bankcon >> S3C2410_BANKCON_Tcah_SHIFT); + tcoh = get_0124(hclk, bankcon >> S3C2410_BANKCON_Tcoh_SHIFT); + tcos = get_0124(hclk, bankcon >> S3C2410_BANKCON_Tcos_SHIFT); + tacs = get_0124(hclk, bankcon >> S3C2410_BANKCON_Tacs_SHIFT); + tacc = get_tacc(hclk, bankcon >> S3C2410_BANKCON_Tacc_SHIFT); + + seq_printf(seq, + "\tRead: Tacs=%d.%d, Tcos=%d.%d, Tacc=%d.%d, Tcoh=%d.%d, Tcah=%d.%d\n", + print_ns(bt->tacs), + print_ns(bt->tcos), + print_ns(bt->tacc), + print_ns(bt->tcoh), + print_ns(bt->tcah)); + + seq_printf(seq, + "\t Set: Tacs=%d.%d, Tcos=%d.%d, Tacc=%d.%d, Tcoh=%d.%d, Tcah=%d.%d\n", + print_ns(tacs), + print_ns(tcos), + print_ns(tacc), + print_ns(tcoh), + print_ns(tcah)); +} + +/** + * s3c2410_iotiming_calc - Calculate bank timing for frequency change. + * @cfg: The frequency configuration + * @iot: The IO timing information to fill out. + * + * Calculate the new values for the banks in @iot based on the new + * frequency information in @cfg. This is then used by s3c2410_iotiming_set() + * to update the timing when necessary. + */ +int s3c2410_iotiming_calc(struct s3c_cpufreq_config *cfg, + struct s3c_iotimings *iot) +{ + struct s3c2410_iobank_timing *bt; + unsigned long bankcon; + int bank; + int ret; + + for (bank = 0; bank < MAX_BANKS; bank++) { + bankcon = __raw_readl(bank_reg(bank)); + bt = iot->bank[bank].io_2410; + + if (!bt) + continue; + + bt->bankcon = bankcon; + + ret = s3c2410_calc_bank(cfg, bt); + if (ret) { + printk(KERN_ERR "%s: cannot calculate bank %d io\n", + __func__, bank); + goto err; + } + + s3c_freq_iodbg("%s: bank %d: con=%08lx\n", + __func__, bank, bt->bankcon); + } + + return 0; + err: + return ret; +} + +/** + * s3c2410_iotiming_set - set the IO timings from the given setup. + * @cfg: The frequency configuration + * @iot: The IO timing information to use. + * + * Set all the currently used IO bank timing information generated + * by s3c2410_iotiming_calc() once the core has validated that all + * the new values are within permitted bounds. + */ +void s3c2410_iotiming_set(struct s3c_cpufreq_config *cfg, + struct s3c_iotimings *iot) +{ + struct s3c2410_iobank_timing *bt; + int bank; + + /* set the io timings from the specifier */ + + for (bank = 0; bank < MAX_BANKS; bank++) { + bt = iot->bank[bank].io_2410; + if (!bt) + continue; + + __raw_writel(bt->bankcon, bank_reg(bank)); + } +} + +/** + * s3c2410_iotiming_get - Get the timing information from current registers. + * @cfg: The frequency configuration + * @timings: The IO timing information to fill out. + * + * Calculate the @timings timing information from the current frequency + * information in @cfg, and the new frequency configur + * through all the IO banks, reading the state and then updating @iot + * as necessary. + * + * This is used at the moment on initialisation to get the current + * configuration so that boards do not have to carry their own setup + * if the timings are correct on initialisation. + */ + +int s3c2410_iotiming_get(struct s3c_cpufreq_config *cfg, + struct s3c_iotimings *timings) +{ + struct s3c2410_iobank_timing *bt; + unsigned long bankcon; + unsigned long bwscon; + int bank; + + bwscon = __raw_readl(S3C2410_BWSCON); + + /* look through all banks to see what is currently set. */ + + for (bank = 0; bank < MAX_BANKS; bank++) { + bankcon = __raw_readl(bank_reg(bank)); + + if (!bank_is_io(bankcon)) + continue; + + s3c_freq_iodbg("%s: bank %d: con %08lx\n", + __func__, bank, bankcon); + + bt = kzalloc(sizeof(struct s3c2410_iobank_timing), GFP_KERNEL); + if (!bt) { + printk(KERN_ERR "%s: no memory for bank\n", __func__); + return -ENOMEM; + } + + /* find out in nWait is enabled for bank. */ + + if (bank != 0) { + unsigned long tmp = S3C2410_BWSCON_GET(bwscon, bank); + if (tmp & S3C2410_BWSCON_WS) + bt->nwait_en = 1; + } + + timings->bank[bank].io_2410 = bt; + bt->bankcon = bankcon; + + s3c2410_iotiming_getbank(cfg, bt); + } + + s3c2410_print_timing("get", timings); + return 0; +} diff --git a/arch/arm/mach-s3c24xx/iotiming-s3c2412.c b/arch/arm/mach-s3c24xx/iotiming-s3c2412.c new file mode 100644 index 00000000000..bd064c05c47 --- /dev/null +++ b/arch/arm/mach-s3c24xx/iotiming-s3c2412.c @@ -0,0 +1,285 @@ +/* + * Copyright (c) 2006-2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2412/S3C2443 (PL093 based) IO timing support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/cpufreq.h> +#include <linux/seq_file.h> +#include <linux/device.h> +#include <linux/delay.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/slab.h> + +#include <linux/amba/pl093.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <plat/cpu.h> +#include <plat/cpu-freq-core.h> +#include <plat/clock.h> + +#include <mach/s3c2412.h> + +#define print_ns(x) ((x) / 10), ((x) % 10) + +/** + * s3c2412_print_timing - print timing infromation via printk. + * @pfx: The prefix to print each line with. + * @iot: The IO timing information + */ +static void s3c2412_print_timing(const char *pfx, struct s3c_iotimings *iot) +{ + struct s3c2412_iobank_timing *bt; + unsigned int bank; + + for (bank = 0; bank < MAX_BANKS; bank++) { + bt = iot->bank[bank].io_2412; + if (!bt) + continue; + + printk(KERN_DEBUG "%s: %d: idcy=%d.%d wstrd=%d.%d wstwr=%d,%d" + "wstoen=%d.%d wstwen=%d.%d wstbrd=%d.%d\n", pfx, bank, + print_ns(bt->idcy), + print_ns(bt->wstrd), + print_ns(bt->wstwr), + print_ns(bt->wstoen), + print_ns(bt->wstwen), + print_ns(bt->wstbrd)); + } +} + +/** + * to_div - turn a cycle length into a divisor setting. + * @cyc_tns: The cycle time in 10ths of nanoseconds. + * @clk_tns: The clock period in 10ths of nanoseconds. + */ +static inline unsigned int to_div(unsigned int cyc_tns, unsigned int clk_tns) +{ + return cyc_tns ? DIV_ROUND_UP(cyc_tns, clk_tns) : 0; +} + +/** + * calc_timing - calculate timing divisor value and check in range. + * @hwtm: The hardware timing in 10ths of nanoseconds. + * @clk_tns: The clock period in 10ths of nanoseconds. + * @err: Pointer to err variable to update in event of failure. + */ +static unsigned int calc_timing(unsigned int hwtm, unsigned int clk_tns, + unsigned int *err) +{ + unsigned int ret = to_div(hwtm, clk_tns); + + if (ret > 0xf) + *err = -EINVAL; + + return ret; +} + +/** + * s3c2412_calc_bank - calculate the bank divisor settings. + * @cfg: The current frequency configuration. + * @bt: The bank timing. + */ +static int s3c2412_calc_bank(struct s3c_cpufreq_config *cfg, + struct s3c2412_iobank_timing *bt) +{ + unsigned int hclk = cfg->freq.hclk_tns; + int err = 0; + + bt->smbidcyr = calc_timing(bt->idcy, hclk, &err); + bt->smbwstrd = calc_timing(bt->wstrd, hclk, &err); + bt->smbwstwr = calc_timing(bt->wstwr, hclk, &err); + bt->smbwstoen = calc_timing(bt->wstoen, hclk, &err); + bt->smbwstwen = calc_timing(bt->wstwen, hclk, &err); + bt->smbwstbrd = calc_timing(bt->wstbrd, hclk, &err); + + return err; +} + +/** + * s3c2412_iotiming_debugfs - debugfs show io bank timing information + * @seq: The seq_file to write output to using seq_printf(). + * @cfg: The current configuration. + * @iob: The IO bank information to decode. +*/ +void s3c2412_iotiming_debugfs(struct seq_file *seq, + struct s3c_cpufreq_config *cfg, + union s3c_iobank *iob) +{ + struct s3c2412_iobank_timing *bt = iob->io_2412; + + seq_printf(seq, + "\tRead: idcy=%d.%d wstrd=%d.%d wstwr=%d,%d" + "wstoen=%d.%d wstwen=%d.%d wstbrd=%d.%d\n", + print_ns(bt->idcy), + print_ns(bt->wstrd), + print_ns(bt->wstwr), + print_ns(bt->wstoen), + print_ns(bt->wstwen), + print_ns(bt->wstbrd)); +} + +/** + * s3c2412_iotiming_calc - calculate all the bank divisor settings. + * @cfg: The current frequency configuration. + * @iot: The bank timing information. + * + * Calculate the timing information for all the banks that are + * configured as IO, using s3c2412_calc_bank(). + */ +int s3c2412_iotiming_calc(struct s3c_cpufreq_config *cfg, + struct s3c_iotimings *iot) +{ + struct s3c2412_iobank_timing *bt; + int bank; + int ret; + + for (bank = 0; bank < MAX_BANKS; bank++) { + bt = iot->bank[bank].io_2412; + if (!bt) + continue; + + ret = s3c2412_calc_bank(cfg, bt); + if (ret) { + printk(KERN_ERR "%s: cannot calculate bank %d io\n", + __func__, bank); + goto err; + } + } + + return 0; + err: + return ret; +} + +/** + * s3c2412_iotiming_set - set the timing information + * @cfg: The current frequency configuration. + * @iot: The bank timing information. + * + * Set the IO bank information from the details calculated earlier from + * calling s3c2412_iotiming_calc(). + */ +void s3c2412_iotiming_set(struct s3c_cpufreq_config *cfg, + struct s3c_iotimings *iot) +{ + struct s3c2412_iobank_timing *bt; + void __iomem *regs; + int bank; + + /* set the io timings from the specifier */ + + for (bank = 0; bank < MAX_BANKS; bank++) { + bt = iot->bank[bank].io_2412; + if (!bt) + continue; + + regs = S3C2412_SSMC_BANK(bank); + + __raw_writel(bt->smbidcyr, regs + SMBIDCYR); + __raw_writel(bt->smbwstrd, regs + SMBWSTRDR); + __raw_writel(bt->smbwstwr, regs + SMBWSTWRR); + __raw_writel(bt->smbwstoen, regs + SMBWSTOENR); + __raw_writel(bt->smbwstwen, regs + SMBWSTWENR); + __raw_writel(bt->smbwstbrd, regs + SMBWSTBRDR); + } +} + +static inline unsigned int s3c2412_decode_timing(unsigned int clock, u32 reg) +{ + return (reg & 0xf) * clock; +} + +static void s3c2412_iotiming_getbank(struct s3c_cpufreq_config *cfg, + struct s3c2412_iobank_timing *bt, + unsigned int bank) +{ + unsigned long clk = cfg->freq.hclk_tns; /* ssmc clock??? */ + void __iomem *regs = S3C2412_SSMC_BANK(bank); + + bt->idcy = s3c2412_decode_timing(clk, __raw_readl(regs + SMBIDCYR)); + bt->wstrd = s3c2412_decode_timing(clk, __raw_readl(regs + SMBWSTRDR)); + bt->wstoen = s3c2412_decode_timing(clk, __raw_readl(regs + SMBWSTOENR)); + bt->wstwen = s3c2412_decode_timing(clk, __raw_readl(regs + SMBWSTWENR)); + bt->wstbrd = s3c2412_decode_timing(clk, __raw_readl(regs + SMBWSTBRDR)); +} + +/** + * bank_is_io - return true if bank is (possibly) IO. + * @bank: The bank number. + * @bankcfg: The value of S3C2412_EBI_BANKCFG. + */ +static inline bool bank_is_io(unsigned int bank, u32 bankcfg) +{ + if (bank < 2) + return true; + + return !(bankcfg & (1 << bank)); +} + +int s3c2412_iotiming_get(struct s3c_cpufreq_config *cfg, + struct s3c_iotimings *timings) +{ + struct s3c2412_iobank_timing *bt; + u32 bankcfg = __raw_readl(S3C2412_EBI_BANKCFG); + unsigned int bank; + + /* look through all banks to see what is currently set. */ + + for (bank = 0; bank < MAX_BANKS; bank++) { + if (!bank_is_io(bank, bankcfg)) + continue; + + bt = kzalloc(sizeof(struct s3c2412_iobank_timing), GFP_KERNEL); + if (!bt) { + printk(KERN_ERR "%s: no memory for bank\n", __func__); + return -ENOMEM; + } + + timings->bank[bank].io_2412 = bt; + s3c2412_iotiming_getbank(cfg, bt, bank); + } + + s3c2412_print_timing("get", timings); + return 0; +} + +/* this is in here as it is so small, it doesn't currently warrant a file + * to itself. We expect that any s3c24xx needing this is going to also + * need the iotiming support. + */ +void s3c2412_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg) +{ + struct s3c_cpufreq_board *board = cfg->board; + u32 refresh; + + WARN_ON(board == NULL); + + /* Reduce both the refresh time (in ns) and the frequency (in MHz) + * down to ensure that we do not overflow 32 bit numbers. + * + * This should work for HCLK up to 133MHz and refresh period up + * to 30usec. + */ + + refresh = (cfg->freq.hclk / 100) * (board->refresh / 10); + refresh = DIV_ROUND_UP(refresh, (1000 * 1000)); /* apply scale */ + refresh &= ((1 << 16) - 1); + + s3c_freq_dbg("%s: refresh value %u\n", __func__, (unsigned int)refresh); + + __raw_writel(refresh, S3C2412_REFRESH); +} diff --git a/arch/arm/mach-s3c24xx/irq-pm.c b/arch/arm/mach-s3c24xx/irq-pm.c new file mode 100644 index 00000000000..b91341ef2b2 --- /dev/null +++ b/arch/arm/mach-s3c24xx/irq-pm.c @@ -0,0 +1,129 @@ +/* linux/arch/arm/plat-s3c24xx/irq-om.c + * + * Copyright (c) 2003-2004 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C24XX - IRQ PM code + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/syscore_ops.h> +#include <linux/io.h> + +#include <plat/cpu.h> +#include <plat/pm.h> +#include <plat/map-base.h> +#include <plat/map-s3c.h> + +#include <mach/regs-irq.h> +#include <mach/regs-gpio.h> + +#include <asm/irq.h> + +/* state for IRQs over sleep */ + +/* default is to allow for EINT0..EINT15, and IRQ_RTC as wakeup sources + * + * set bit to 1 in allow bitfield to enable the wakeup settings on it +*/ + +unsigned long s3c_irqwake_intallow = 1L << 30 | 0xfL; +unsigned long s3c_irqwake_eintallow = 0x0000fff0L; + +int s3c_irq_wake(struct irq_data *data, unsigned int state) +{ + unsigned long irqbit = 1 << data->hwirq; + + if (!(s3c_irqwake_intallow & irqbit)) + return -ENOENT; + + pr_info("wake %s for hwirq %lu\n", + state ? "enabled" : "disabled", data->hwirq); + + if (!state) + s3c_irqwake_intmask |= irqbit; + else + s3c_irqwake_intmask &= ~irqbit; + + return 0; +} + +static struct sleep_save irq_save[] = { + SAVE_ITEM(S3C2410_INTMSK), + SAVE_ITEM(S3C2410_INTSUBMSK), +}; + +/* the extint values move between the s3c2410/s3c2440 and the s3c2412 + * so we use an array to hold them, and to calculate the address of + * the register at run-time +*/ + +static unsigned long save_extint[3]; +static unsigned long save_eintflt[4]; +static unsigned long save_eintmask; + +static int s3c24xx_irq_suspend(void) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(save_extint); i++) + save_extint[i] = __raw_readl(S3C24XX_EXTINT0 + (i*4)); + + for (i = 0; i < ARRAY_SIZE(save_eintflt); i++) + save_eintflt[i] = __raw_readl(S3C24XX_EINFLT0 + (i*4)); + + s3c_pm_do_save(irq_save, ARRAY_SIZE(irq_save)); + save_eintmask = __raw_readl(S3C24XX_EINTMASK); + + return 0; +} + +static void s3c24xx_irq_resume(void) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(save_extint); i++) + __raw_writel(save_extint[i], S3C24XX_EXTINT0 + (i*4)); + + for (i = 0; i < ARRAY_SIZE(save_eintflt); i++) + __raw_writel(save_eintflt[i], S3C24XX_EINFLT0 + (i*4)); + + s3c_pm_do_restore(irq_save, ARRAY_SIZE(irq_save)); + __raw_writel(save_eintmask, S3C24XX_EINTMASK); +} + +struct syscore_ops s3c24xx_irq_syscore_ops = { + .suspend = s3c24xx_irq_suspend, + .resume = s3c24xx_irq_resume, +}; + +#ifdef CONFIG_CPU_S3C2416 +static struct sleep_save s3c2416_irq_save[] = { + SAVE_ITEM(S3C2416_INTMSK2), +}; + +static int s3c2416_irq_suspend(void) +{ + s3c_pm_do_save(s3c2416_irq_save, ARRAY_SIZE(s3c2416_irq_save)); + + return 0; +} + +static void s3c2416_irq_resume(void) +{ + s3c_pm_do_restore(s3c2416_irq_save, ARRAY_SIZE(s3c2416_irq_save)); +} + +struct syscore_ops s3c2416_irq_syscore_ops = { + .suspend = s3c2416_irq_suspend, + .resume = s3c2416_irq_resume, +}; +#endif diff --git a/arch/arm/mach-s3c24xx/mach-amlm5900.c b/arch/arm/mach-s3c24xx/mach-amlm5900.c new file mode 100644 index 00000000000..5157e250dd1 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-amlm5900.c @@ -0,0 +1,251 @@ +/* linux/arch/arm/mach-s3c2410/mach-amlm5900.c + * + * linux/arch/arm/mach-s3c2410/mach-amlm5900.c + * + * Copyright (c) 2006 American Microsystems Limited + * David Anders <danders@amltd.com> + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * @History: + * derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by + * Ben Dooks <ben@simtec.co.uk> + * + ***********************************************************************/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/proc_fs.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/io.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> +#include <asm/mach/flash.h> + +#include <mach/hardware.h> +#include <asm/irq.h> +#include <asm/mach-types.h> +#include <mach/fb.h> + +#include <mach/regs-lcd.h> +#include <mach/regs-gpio.h> +#include <mach/gpio-samsung.h> + +#include <linux/platform_data/i2c-s3c2410.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/gpio-cfg.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/map.h> +#include <linux/mtd/physmap.h> + +#include <plat/samsung-time.h> + +#include "common.h" + +static struct resource amlm5900_nor_resource = + DEFINE_RES_MEM(0x00000000, SZ_16M); + +static struct mtd_partition amlm5900_mtd_partitions[] = { + { + .name = "System", + .size = 0x240000, + .offset = 0, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, { + .name = "Kernel", + .size = 0x100000, + .offset = MTDPART_OFS_APPEND, + }, { + .name = "Ramdisk", + .size = 0x300000, + .offset = MTDPART_OFS_APPEND, + }, { + .name = "JFFS2", + .size = 0x9A0000, + .offset = MTDPART_OFS_APPEND, + }, { + .name = "Settings", + .size = MTDPART_SIZ_FULL, + .offset = MTDPART_OFS_APPEND, + } +}; + +static struct physmap_flash_data amlm5900_flash_data = { + .width = 2, + .parts = amlm5900_mtd_partitions, + .nr_parts = ARRAY_SIZE(amlm5900_mtd_partitions), +}; + +static struct platform_device amlm5900_device_nor = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &amlm5900_flash_data, + }, + .num_resources = 1, + .resource = &amlm5900_nor_resource, +}; + +static struct map_desc amlm5900_iodesc[] __initdata = { +}; + +#define UCON S3C2410_UCON_DEFAULT +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg amlm5900_uartcfgs[] = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + } +}; + + +static struct platform_device *amlm5900_devices[] __initdata = { +#ifdef CONFIG_FB_S3C2410 + &s3c_device_lcd, +#endif + &s3c_device_adc, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_ohci, + &s3c_device_rtc, + &s3c_device_usbgadget, + &s3c_device_sdi, + &amlm5900_device_nor, +}; + +static void __init amlm5900_map_io(void) +{ + s3c24xx_init_io(amlm5900_iodesc, ARRAY_SIZE(amlm5900_iodesc)); + s3c24xx_init_uarts(amlm5900_uartcfgs, ARRAY_SIZE(amlm5900_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init amlm5900_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + +#ifdef CONFIG_FB_S3C2410 +static struct s3c2410fb_display __initdata amlm5900_lcd_info = { + .width = 160, + .height = 160, + + .type = S3C2410_LCDCON1_STN4, + + .pixclock = 680000, /* HCLK = 100MHz */ + .xres = 160, + .yres = 160, + .bpp = 4, + .left_margin = 1 << (4 + 3), + .right_margin = 8 << 3, + .hsync_len = 48, + .upper_margin = 0, + .lower_margin = 0, + + .lcdcon5 = 0x00000001, +}; + +static struct s3c2410fb_mach_info __initdata amlm5900_fb_info = { + + .displays = &amlm5900_lcd_info, + .num_displays = 1, + .default_display = 0, + + .gpccon = 0xaaaaaaaa, + .gpccon_mask = 0xffffffff, + .gpcup = 0x0000ffff, + .gpcup_mask = 0xffffffff, + + .gpdcon = 0xaaaaaaaa, + .gpdcon_mask = 0xffffffff, + .gpdup = 0x0000ffff, + .gpdup_mask = 0xffffffff, +}; +#endif + +static irqreturn_t +amlm5900_wake_interrupt(int irq, void *ignored) +{ + return IRQ_HANDLED; +} + +static void amlm5900_init_pm(void) +{ + int ret = 0; + + ret = request_irq(IRQ_EINT9, &amlm5900_wake_interrupt, + IRQF_TRIGGER_RISING | IRQF_SHARED, + "amlm5900_wakeup", &amlm5900_wake_interrupt); + if (ret != 0) { + printk(KERN_ERR "AML-M5900: no wakeup irq, %d?\n", ret); + } else { + enable_irq_wake(IRQ_EINT9); + /* configure the suspend/resume status pin */ + s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); + s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_UP); + } +} +static void __init amlm5900_init(void) +{ + amlm5900_init_pm(); +#ifdef CONFIG_FB_S3C2410 + s3c24xx_fb_set_platdata(&amlm5900_fb_info); +#endif + s3c_i2c0_set_platdata(NULL); + platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices)); +} + +MACHINE_START(AML_M5900, "AML_M5900") + .atag_offset = 0x100, + .map_io = amlm5900_map_io, + .init_irq = s3c2410_init_irq, + .init_machine = amlm5900_init, + .init_time = amlm5900_init_time, + .restart = s3c2410_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-anubis.c b/arch/arm/mach-s3c24xx/mach-anubis.c new file mode 100644 index 00000000000..e053581cab0 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-anubis.c @@ -0,0 +1,434 @@ +/* linux/arch/arm/mach-s3c2440/mach-anubis.c + * + * Copyright 2003-2009 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/ata_platform.h> +#include <linux/i2c.h> +#include <linux/io.h> +#include <linux/sm501.h> +#include <linux/sm501-regs.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <mach/regs-gpio.h> +#include <mach/regs-lcd.h> +#include <mach/gpio-samsung.h> +#include <linux/platform_data/mtd-nand-s3c2410.h> +#include <linux/platform_data/i2c-s3c2410.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/nand_ecc.h> +#include <linux/mtd/partitions.h> + +#include <net/ax88796.h> + +#include <plat/devs.h> +#include <plat/cpu.h> +#include <linux/platform_data/asoc-s3c24xx_simtec.h> +#include <plat/samsung-time.h> + +#include "anubis.h" +#include "common.h" +#include "simtec.h" + +#define COPYRIGHT ", Copyright 2005-2009 Simtec Electronics" + +static struct map_desc anubis_iodesc[] __initdata = { + /* ISA IO areas */ + + { + .virtual = (u32)S3C24XX_VA_ISA_BYTE, + .pfn = __phys_to_pfn(0x0), + .length = SZ_4M, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_WORD, + .pfn = __phys_to_pfn(0x0), + .length = SZ_4M, + .type = MT_DEVICE, + }, + + /* we could possibly compress the next set down into a set of smaller tables + * pagetables, but that would mean using an L2 section, and it still means + * we cannot actually feed the same register to an LDR due to 16K spacing + */ + + /* CPLD control registers */ + + { + .virtual = (u32)ANUBIS_VA_CTRL1, + .pfn = __phys_to_pfn(ANUBIS_PA_CTRL1), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = (u32)ANUBIS_VA_IDREG, + .pfn = __phys_to_pfn(ANUBIS_PA_IDREG), + .length = SZ_4K, + .type = MT_DEVICE, + }, +}; + +#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg anubis_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2, + }, + [1] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2, + }, +}; + +/* NAND Flash on Anubis board */ + +static int external_map[] = { 2 }; +static int chip0_map[] = { 0 }; +static int chip1_map[] = { 1 }; + +static struct mtd_partition __initdata anubis_default_nand_part[] = { + [0] = { + .name = "Boot Agent", + .size = SZ_16K, + .offset = 0, + }, + [1] = { + .name = "/boot", + .size = SZ_4M - SZ_16K, + .offset = SZ_16K, + }, + [2] = { + .name = "user1", + .offset = SZ_4M, + .size = SZ_32M - SZ_4M, + }, + [3] = { + .name = "user2", + .offset = SZ_32M, + .size = MTDPART_SIZ_FULL, + } +}; + +static struct mtd_partition __initdata anubis_default_nand_part_large[] = { + [0] = { + .name = "Boot Agent", + .size = SZ_128K, + .offset = 0, + }, + [1] = { + .name = "/boot", + .size = SZ_4M - SZ_128K, + .offset = SZ_128K, + }, + [2] = { + .name = "user1", + .offset = SZ_4M, + .size = SZ_32M - SZ_4M, + }, + [3] = { + .name = "user2", + .offset = SZ_32M, + .size = MTDPART_SIZ_FULL, + } +}; + +/* the Anubis has 3 selectable slots for nand-flash, the two + * on-board chip areas, as well as the external slot. + * + * Note, there is no current hot-plug support for the External + * socket. +*/ + +static struct s3c2410_nand_set __initdata anubis_nand_sets[] = { + [1] = { + .name = "External", + .nr_chips = 1, + .nr_map = external_map, + .nr_partitions = ARRAY_SIZE(anubis_default_nand_part), + .partitions = anubis_default_nand_part, + }, + [0] = { + .name = "chip0", + .nr_chips = 1, + .nr_map = chip0_map, + .nr_partitions = ARRAY_SIZE(anubis_default_nand_part), + .partitions = anubis_default_nand_part, + }, + [2] = { + .name = "chip1", + .nr_chips = 1, + .nr_map = chip1_map, + .nr_partitions = ARRAY_SIZE(anubis_default_nand_part), + .partitions = anubis_default_nand_part, + }, +}; + +static void anubis_nand_select(struct s3c2410_nand_set *set, int slot) +{ + unsigned int tmp; + + slot = set->nr_map[slot] & 3; + + pr_debug("anubis_nand: selecting slot %d (set %p,%p)\n", + slot, set, set->nr_map); + + tmp = __raw_readb(ANUBIS_VA_CTRL1); + tmp &= ~ANUBIS_CTRL1_NANDSEL; + tmp |= slot; + + pr_debug("anubis_nand: ctrl1 now %02x\n", tmp); + + __raw_writeb(tmp, ANUBIS_VA_CTRL1); +} + +static struct s3c2410_platform_nand __initdata anubis_nand_info = { + .tacls = 25, + .twrph0 = 55, + .twrph1 = 40, + .nr_sets = ARRAY_SIZE(anubis_nand_sets), + .sets = anubis_nand_sets, + .select_chip = anubis_nand_select, +}; + +/* IDE channels */ + +static struct pata_platform_info anubis_ide_platdata = { + .ioport_shift = 5, +}; + +static struct resource anubis_ide0_resource[] = { + [0] = DEFINE_RES_MEM(S3C2410_CS3, 8 * 32), + [2] = DEFINE_RES_MEM(S3C2410_CS3 + (1 << 26) + (6 * 32), 32), + [3] = DEFINE_RES_IRQ(ANUBIS_IRQ_IDE0), +}; + +static struct platform_device anubis_device_ide0 = { + .name = "pata_platform", + .id = 0, + .num_resources = ARRAY_SIZE(anubis_ide0_resource), + .resource = anubis_ide0_resource, + .dev = { + .platform_data = &anubis_ide_platdata, + .coherent_dma_mask = ~0, + }, +}; + +static struct resource anubis_ide1_resource[] = { + [0] = DEFINE_RES_MEM(S3C2410_CS4, 8 * 32), + [1] = DEFINE_RES_MEM(S3C2410_CS4 + (1 << 26) + (6 * 32), 32), + [2] = DEFINE_RES_IRQ(ANUBIS_IRQ_IDE0), +}; + +static struct platform_device anubis_device_ide1 = { + .name = "pata_platform", + .id = 1, + .num_resources = ARRAY_SIZE(anubis_ide1_resource), + .resource = anubis_ide1_resource, + .dev = { + .platform_data = &anubis_ide_platdata, + .coherent_dma_mask = ~0, + }, +}; + +/* Asix AX88796 10/100 ethernet controller */ + +static struct ax_plat_data anubis_asix_platdata = { + .flags = AXFLG_MAC_FROMDEV, + .wordlength = 2, + .dcr_val = 0x48, + .rcr_val = 0x40, +}; + +static struct resource anubis_asix_resource[] = { + [0] = DEFINE_RES_MEM(S3C2410_CS5, 0x20 * 0x20), + [1] = DEFINE_RES_IRQ(ANUBIS_IRQ_ASIX), +}; + +static struct platform_device anubis_device_asix = { + .name = "ax88796", + .id = 0, + .num_resources = ARRAY_SIZE(anubis_asix_resource), + .resource = anubis_asix_resource, + .dev = { + .platform_data = &anubis_asix_platdata, + } +}; + +/* SM501 */ + +static struct resource anubis_sm501_resource[] = { + [0] = DEFINE_RES_MEM(S3C2410_CS2, SZ_8M), + [1] = DEFINE_RES_MEM(S3C2410_CS2 + SZ_64M - SZ_2M, SZ_2M), + [2] = DEFINE_RES_IRQ(IRQ_EINT0), +}; + +static struct sm501_initdata anubis_sm501_initdata = { + .gpio_high = { + .set = 0x3F000000, /* 24bit panel */ + .mask = 0x0, + }, + .misc_timing = { + .set = 0x010100, /* SDRAM timing */ + .mask = 0x1F1F00, + }, + .misc_control = { + .set = SM501_MISC_PNL_24BIT, + .mask = 0, + }, + + .devices = SM501_USE_GPIO, + + /* set the SDRAM and bus clocks */ + .mclk = 72 * MHZ, + .m1xclk = 144 * MHZ, +}; + +static struct sm501_platdata_gpio_i2c anubis_sm501_gpio_i2c[] = { + [0] = { + .bus_num = 1, + .pin_scl = 44, + .pin_sda = 45, + }, + [1] = { + .bus_num = 2, + .pin_scl = 40, + .pin_sda = 41, + }, +}; + +static struct sm501_platdata anubis_sm501_platdata = { + .init = &anubis_sm501_initdata, + .gpio_base = -1, + .gpio_i2c = anubis_sm501_gpio_i2c, + .gpio_i2c_nr = ARRAY_SIZE(anubis_sm501_gpio_i2c), +}; + +static struct platform_device anubis_device_sm501 = { + .name = "sm501", + .id = 0, + .num_resources = ARRAY_SIZE(anubis_sm501_resource), + .resource = anubis_sm501_resource, + .dev = { + .platform_data = &anubis_sm501_platdata, + }, +}; + +/* Standard Anubis devices */ + +static struct platform_device *anubis_devices[] __initdata = { + &s3c2410_device_dclk, + &s3c_device_ohci, + &s3c_device_wdt, + &s3c_device_adc, + &s3c_device_i2c0, + &s3c_device_rtc, + &s3c_device_nand, + &anubis_device_ide0, + &anubis_device_ide1, + &anubis_device_asix, + &anubis_device_sm501, +}; + +/* I2C devices. */ + +static struct i2c_board_info anubis_i2c_devs[] __initdata = { + { + I2C_BOARD_INFO("tps65011", 0x48), + .irq = IRQ_EINT20, + } +}; + +/* Audio setup */ +static struct s3c24xx_audio_simtec_pdata __initdata anubis_audio = { + .have_mic = 1, + .have_lout = 1, + .output_cdclk = 1, + .use_mpllin = 1, + .amp_gpio = S3C2410_GPB(2), + .amp_gain[0] = S3C2410_GPD(10), + .amp_gain[1] = S3C2410_GPD(11), +}; + +static void __init anubis_map_io(void) +{ + s3c24xx_init_io(anubis_iodesc, ARRAY_SIZE(anubis_iodesc)); + s3c24xx_init_uarts(anubis_uartcfgs, ARRAY_SIZE(anubis_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); + + /* check for the newer revision boards with large page nand */ + + if ((__raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK) >= 4) { + printk(KERN_INFO "ANUBIS-B detected (revision %d)\n", + __raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK); + anubis_nand_sets[0].partitions = anubis_default_nand_part_large; + anubis_nand_sets[0].nr_partitions = ARRAY_SIZE(anubis_default_nand_part_large); + } else { + /* ensure that the GPIO is setup */ + gpio_request_one(S3C2410_GPA(0), GPIOF_OUT_INIT_HIGH, NULL); + gpio_free(S3C2410_GPA(0)); + } +} + +static void __init anubis_init_time(void) +{ + s3c2440_init_clocks(12000000); + samsung_timer_init(); +} + +static void __init anubis_init(void) +{ + s3c_i2c0_set_platdata(NULL); + s3c_nand_set_platdata(&anubis_nand_info); + simtec_audio_add(NULL, false, &anubis_audio); + + platform_add_devices(anubis_devices, ARRAY_SIZE(anubis_devices)); + + i2c_register_board_info(0, anubis_i2c_devs, + ARRAY_SIZE(anubis_i2c_devs)); +} + + +MACHINE_START(ANUBIS, "Simtec-Anubis") + /* Maintainer: Ben Dooks <ben@simtec.co.uk> */ + .atag_offset = 0x100, + .map_io = anubis_map_io, + .init_machine = anubis_init, + .init_irq = s3c2440_init_irq, + .init_time = anubis_init_time, + .restart = s3c244x_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-at2440evb.c b/arch/arm/mach-s3c24xx/mach-at2440evb.c new file mode 100644 index 00000000000..9db768f448a --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-at2440evb.c @@ -0,0 +1,222 @@ +/* linux/arch/arm/mach-s3c2440/mach-at2440evb.c + * + * Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com> + * Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk> + * and modifications by SBZ <sbz@spgui.org> and + * Weibing <http://weibing.blogbus.com> + * + * For product information, visit http://www.arm.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/gpio.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/dm9000.h> +#include <linux/platform_device.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <mach/fb.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <mach/regs-gpio.h> +#include <mach/regs-lcd.h> +#include <mach/gpio-samsung.h> +#include <linux/platform_data/mtd-nand-s3c2410.h> +#include <linux/platform_data/i2c-s3c2410.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/nand_ecc.h> +#include <linux/mtd/partitions.h> + +#include <plat/devs.h> +#include <plat/cpu.h> +#include <linux/platform_data/mmc-s3cmci.h> +#include <plat/samsung-time.h> + +#include "common.h" + +static struct map_desc at2440evb_iodesc[] __initdata = { + /* Nothing here */ +}; + +#define UCON S3C2410_UCON_DEFAULT +#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE) +#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE) + +static struct s3c2410_uartcfg at2440evb_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2, + }, +}; + +/* NAND Flash on AT2440EVB board */ + +static struct mtd_partition __initdata at2440evb_default_nand_part[] = { + [0] = { + .name = "Boot Agent", + .size = SZ_256K, + .offset = 0, + }, + [1] = { + .name = "Kernel", + .size = SZ_2M, + .offset = SZ_256K, + }, + [2] = { + .name = "Root", + .offset = SZ_256K + SZ_2M, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct s3c2410_nand_set __initdata at2440evb_nand_sets[] = { + [0] = { + .name = "nand", + .nr_chips = 1, + .nr_partitions = ARRAY_SIZE(at2440evb_default_nand_part), + .partitions = at2440evb_default_nand_part, + }, +}; + +static struct s3c2410_platform_nand __initdata at2440evb_nand_info = { + .tacls = 25, + .twrph0 = 55, + .twrph1 = 40, + .nr_sets = ARRAY_SIZE(at2440evb_nand_sets), + .sets = at2440evb_nand_sets, +}; + +/* DM9000AEP 10/100 ethernet controller */ + +static struct resource at2440evb_dm9k_resource[] = { + [0] = DEFINE_RES_MEM(S3C2410_CS3, 4), + [1] = DEFINE_RES_MEM(S3C2410_CS3 + 4, 4), + [2] = DEFINE_RES_NAMED(IRQ_EINT7, 1, NULL, IORESOURCE_IRQ \ + | IORESOURCE_IRQ_HIGHEDGE), +}; + +static struct dm9000_plat_data at2440evb_dm9k_pdata = { + .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM), +}; + +static struct platform_device at2440evb_device_eth = { + .name = "dm9000", + .id = -1, + .num_resources = ARRAY_SIZE(at2440evb_dm9k_resource), + .resource = at2440evb_dm9k_resource, + .dev = { + .platform_data = &at2440evb_dm9k_pdata, + }, +}; + +static struct s3c24xx_mci_pdata at2440evb_mci_pdata __initdata = { + .gpio_detect = S3C2410_GPG(10), +}; + +/* 7" LCD panel */ + +static struct s3c2410fb_display at2440evb_lcd_cfg __initdata = { + + .lcdcon5 = S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_INVVFRAME | + S3C2410_LCDCON5_PWREN | + S3C2410_LCDCON5_HWSWP, + + .type = S3C2410_LCDCON1_TFT, + + .width = 800, + .height = 480, + + .pixclock = 33333, /* HCLK 60 MHz, divisor 2 */ + .xres = 800, + .yres = 480, + .bpp = 16, + .left_margin = 88, + .right_margin = 40, + .hsync_len = 128, + .upper_margin = 32, + .lower_margin = 11, + .vsync_len = 2, +}; + +static struct s3c2410fb_mach_info at2440evb_fb_info __initdata = { + .displays = &at2440evb_lcd_cfg, + .num_displays = 1, + .default_display = 0, +}; + +static struct platform_device *at2440evb_devices[] __initdata = { + &s3c_device_ohci, + &s3c_device_wdt, + &s3c_device_adc, + &s3c_device_i2c0, + &s3c_device_rtc, + &s3c_device_nand, + &s3c_device_sdi, + &s3c_device_lcd, + &at2440evb_device_eth, +}; + +static void __init at2440evb_map_io(void) +{ + s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc)); + s3c24xx_init_uarts(at2440evb_uartcfgs, ARRAY_SIZE(at2440evb_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init at2440evb_init_time(void) +{ + s3c2440_init_clocks(16934400); + samsung_timer_init(); +} + +static void __init at2440evb_init(void) +{ + s3c24xx_fb_set_platdata(&at2440evb_fb_info); + s3c24xx_mci_set_platdata(&at2440evb_mci_pdata); + s3c_nand_set_platdata(&at2440evb_nand_info); + s3c_i2c0_set_platdata(NULL); + + platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices)); +} + + +MACHINE_START(AT2440EVB, "AT2440EVB") + .atag_offset = 0x100, + .map_io = at2440evb_map_io, + .init_machine = at2440evb_init, + .init_irq = s3c2440_init_irq, + .init_time = at2440evb_init_time, + .restart = s3c244x_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-bast.c b/arch/arm/mach-s3c24xx/mach-bast.c new file mode 100644 index 00000000000..f9112b801a3 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-bast.c @@ -0,0 +1,595 @@ +/* linux/arch/arm/mach-s3c2410/mach-bast.c + * + * Copyright 2003-2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * http://www.simtec.co.uk/products/EB2410ITX/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/syscore_ops.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/dm9000.h> +#include <linux/ata_platform.h> +#include <linux/i2c.h> +#include <linux/io.h> +#include <linux/serial_8250.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/nand_ecc.h> +#include <linux/mtd/partitions.h> + +#include <linux/platform_data/asoc-s3c24xx_simtec.h> +#include <linux/platform_data/hwmon-s3c.h> +#include <linux/platform_data/i2c-s3c2410.h> +#include <linux/platform_data/mtd-nand-s3c2410.h> + +#include <net/ax88796.h> + +#include <asm/irq.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> +#include <asm/mach-types.h> + +#include <mach/fb.h> +#include <mach/hardware.h> +#include <mach/regs-gpio.h> +#include <mach/regs-lcd.h> +#include <mach/gpio-samsung.h> + +#include <plat/cpu.h> +#include <plat/cpu-freq.h> +#include <plat/devs.h> +#include <plat/gpio-cfg.h> +#include <plat/samsung-time.h> + +#include "bast.h" +#include "common.h" +#include "simtec.h" + +#define COPYRIGHT ", Copyright 2004-2008 Simtec Electronics" + +/* macros for virtual address mods for the io space entries */ +#define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5) +#define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4) +#define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3) +#define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2) + +/* macros to modify the physical addresses for io space */ + +#define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2)) +#define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3)) +#define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4)) +#define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5)) + +static struct map_desc bast_iodesc[] __initdata = { + /* ISA IO areas */ + { + .virtual = (u32)S3C24XX_VA_ISA_BYTE, + .pfn = PA_CS2(BAST_PA_ISAIO), + .length = SZ_16M, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_WORD, + .pfn = PA_CS3(BAST_PA_ISAIO), + .length = SZ_16M, + .type = MT_DEVICE, + }, + /* bast CPLD control registers, and external interrupt controls */ + { + .virtual = (u32)BAST_VA_CTRL1, + .pfn = __phys_to_pfn(BAST_PA_CTRL1), + .length = SZ_1M, + .type = MT_DEVICE, + }, { + .virtual = (u32)BAST_VA_CTRL2, + .pfn = __phys_to_pfn(BAST_PA_CTRL2), + .length = SZ_1M, + .type = MT_DEVICE, + }, { + .virtual = (u32)BAST_VA_CTRL3, + .pfn = __phys_to_pfn(BAST_PA_CTRL3), + .length = SZ_1M, + .type = MT_DEVICE, + }, { + .virtual = (u32)BAST_VA_CTRL4, + .pfn = __phys_to_pfn(BAST_PA_CTRL4), + .length = SZ_1M, + .type = MT_DEVICE, + }, + /* PC104 IRQ mux */ + { + .virtual = (u32)BAST_VA_PC104_IRQREQ, + .pfn = __phys_to_pfn(BAST_PA_PC104_IRQREQ), + .length = SZ_1M, + .type = MT_DEVICE, + }, { + .virtual = (u32)BAST_VA_PC104_IRQRAW, + .pfn = __phys_to_pfn(BAST_PA_PC104_IRQRAW), + .length = SZ_1M, + .type = MT_DEVICE, + }, { + .virtual = (u32)BAST_VA_PC104_IRQMASK, + .pfn = __phys_to_pfn(BAST_PA_PC104_IRQMASK), + .length = SZ_1M, + .type = MT_DEVICE, + }, + + /* peripheral space... one for each of fast/slow/byte/16bit */ + /* note, ide is only decoded in word space, even though some registers + * are only 8bit */ + + /* slow, byte */ + { VA_C2(BAST_VA_ISAIO), PA_CS2(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, + { VA_C2(BAST_VA_ISAMEM), PA_CS2(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE }, + { VA_C2(BAST_VA_SUPERIO), PA_CS2(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE }, + + /* slow, word */ + { VA_C3(BAST_VA_ISAIO), PA_CS3(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, + { VA_C3(BAST_VA_ISAMEM), PA_CS3(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE }, + { VA_C3(BAST_VA_SUPERIO), PA_CS3(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE }, + + /* fast, byte */ + { VA_C4(BAST_VA_ISAIO), PA_CS4(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, + { VA_C4(BAST_VA_ISAMEM), PA_CS4(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE }, + { VA_C4(BAST_VA_SUPERIO), PA_CS4(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE }, + + /* fast, word */ + { VA_C5(BAST_VA_ISAIO), PA_CS5(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, + { VA_C5(BAST_VA_ISAMEM), PA_CS5(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE }, + { VA_C5(BAST_VA_SUPERIO), PA_CS5(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE }, +}; + +#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg bast_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + /* port 2 is not actually used */ + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + } +}; + +/* NAND Flash on BAST board */ + +#ifdef CONFIG_PM +static int bast_pm_suspend(void) +{ + /* ensure that an nRESET is not generated on resume. */ + gpio_direction_output(S3C2410_GPA(21), 1); + return 0; +} + +static void bast_pm_resume(void) +{ + s3c_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT); +} + +#else +#define bast_pm_suspend NULL +#define bast_pm_resume NULL +#endif + +static struct syscore_ops bast_pm_syscore_ops = { + .suspend = bast_pm_suspend, + .resume = bast_pm_resume, +}; + +static int smartmedia_map[] = { 0 }; +static int chip0_map[] = { 1 }; +static int chip1_map[] = { 2 }; +static int chip2_map[] = { 3 }; + +static struct mtd_partition __initdata bast_default_nand_part[] = { + [0] = { + .name = "Boot Agent", + .size = SZ_16K, + .offset = 0, + }, + [1] = { + .name = "/boot", + .size = SZ_4M - SZ_16K, + .offset = SZ_16K, + }, + [2] = { + .name = "user", + .offset = SZ_4M, + .size = MTDPART_SIZ_FULL, + } +}; + +/* the bast has 4 selectable slots for nand-flash, the three + * on-board chip areas, as well as the external SmartMedia + * slot. + * + * Note, there is no current hot-plug support for the SmartMedia + * socket. +*/ + +static struct s3c2410_nand_set __initdata bast_nand_sets[] = { + [0] = { + .name = "SmartMedia", + .nr_chips = 1, + .nr_map = smartmedia_map, + .options = NAND_SCAN_SILENT_NODEV, + .nr_partitions = ARRAY_SIZE(bast_default_nand_part), + .partitions = bast_default_nand_part, + }, + [1] = { + .name = "chip0", + .nr_chips = 1, + .nr_map = chip0_map, + .nr_partitions = ARRAY_SIZE(bast_default_nand_part), + .partitions = bast_default_nand_part, + }, + [2] = { + .name = "chip1", + .nr_chips = 1, + .nr_map = chip1_map, + .options = NAND_SCAN_SILENT_NODEV, + .nr_partitions = ARRAY_SIZE(bast_default_nand_part), + .partitions = bast_default_nand_part, + }, + [3] = { + .name = "chip2", + .nr_chips = 1, + .nr_map = chip2_map, + .options = NAND_SCAN_SILENT_NODEV, + .nr_partitions = ARRAY_SIZE(bast_default_nand_part), + .partitions = bast_default_nand_part, + } +}; + +static void bast_nand_select(struct s3c2410_nand_set *set, int slot) +{ + unsigned int tmp; + + slot = set->nr_map[slot] & 3; + + pr_debug("bast_nand: selecting slot %d (set %p,%p)\n", + slot, set, set->nr_map); + + tmp = __raw_readb(BAST_VA_CTRL2); + tmp &= BAST_CPLD_CTLR2_IDERST; + tmp |= slot; + tmp |= BAST_CPLD_CTRL2_WNAND; + + pr_debug("bast_nand: ctrl2 now %02x\n", tmp); + + __raw_writeb(tmp, BAST_VA_CTRL2); +} + +static struct s3c2410_platform_nand __initdata bast_nand_info = { + .tacls = 30, + .twrph0 = 60, + .twrph1 = 60, + .nr_sets = ARRAY_SIZE(bast_nand_sets), + .sets = bast_nand_sets, + .select_chip = bast_nand_select, +}; + +/* DM9000 */ + +static struct resource bast_dm9k_resource[] = { + [0] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_DM9000, 4), + [1] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_DM9000 + 0x40, 0x40), + [2] = DEFINE_RES_NAMED(BAST_IRQ_DM9000 , 1, NULL, IORESOURCE_IRQ \ + | IORESOURCE_IRQ_HIGHLEVEL), +}; + +/* for the moment we limit ourselves to 16bit IO until some + * better IO routines can be written and tested +*/ + +static struct dm9000_plat_data bast_dm9k_platdata = { + .flags = DM9000_PLATF_16BITONLY, +}; + +static struct platform_device bast_device_dm9k = { + .name = "dm9000", + .id = 0, + .num_resources = ARRAY_SIZE(bast_dm9k_resource), + .resource = bast_dm9k_resource, + .dev = { + .platform_data = &bast_dm9k_platdata, + } +}; + +/* serial devices */ + +#define SERIAL_BASE (S3C2410_CS2 + BAST_PA_SUPERIO) +#define SERIAL_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SHARE_IRQ) +#define SERIAL_CLK (1843200) + +static struct plat_serial8250_port bast_sio_data[] = { + [0] = { + .mapbase = SERIAL_BASE + 0x2f8, + .irq = BAST_IRQ_PCSERIAL1, + .flags = SERIAL_FLAGS, + .iotype = UPIO_MEM, + .regshift = 0, + .uartclk = SERIAL_CLK, + }, + [1] = { + .mapbase = SERIAL_BASE + 0x3f8, + .irq = BAST_IRQ_PCSERIAL2, + .flags = SERIAL_FLAGS, + .iotype = UPIO_MEM, + .regshift = 0, + .uartclk = SERIAL_CLK, + }, + { } +}; + +static struct platform_device bast_sio = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = &bast_sio_data, + }, +}; + +/* we have devices on the bus which cannot work much over the + * standard 100KHz i2c bus frequency +*/ + +static struct s3c2410_platform_i2c __initdata bast_i2c_info = { + .flags = 0, + .slave_addr = 0x10, + .frequency = 100*1000, +}; + +/* Asix AX88796 10/100 ethernet controller */ + +static struct ax_plat_data bast_asix_platdata = { + .flags = AXFLG_MAC_FROMDEV, + .wordlength = 2, + .dcr_val = 0x48, + .rcr_val = 0x40, +}; + +static struct resource bast_asix_resource[] = { + [0] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_ASIXNET, 0x18 * 0x20), + [1] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_ASIXNET + (0x1f * 0x20), 1), + [2] = DEFINE_RES_IRQ(BAST_IRQ_ASIX), +}; + +static struct platform_device bast_device_asix = { + .name = "ax88796", + .id = 0, + .num_resources = ARRAY_SIZE(bast_asix_resource), + .resource = bast_asix_resource, + .dev = { + .platform_data = &bast_asix_platdata + } +}; + +/* Asix AX88796 10/100 ethernet controller parallel port */ + +static struct resource bast_asixpp_resource[] = { + [0] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_ASIXNET + (0x18 * 0x20), \ + 0x30 * 0x20), +}; + +static struct platform_device bast_device_axpp = { + .name = "ax88796-pp", + .id = 0, + .num_resources = ARRAY_SIZE(bast_asixpp_resource), + .resource = bast_asixpp_resource, +}; + +/* LCD/VGA controller */ + +static struct s3c2410fb_display __initdata bast_lcd_info[] = { + { + .type = S3C2410_LCDCON1_TFT, + .width = 640, + .height = 480, + + .pixclock = 33333, + .xres = 640, + .yres = 480, + .bpp = 4, + .left_margin = 40, + .right_margin = 20, + .hsync_len = 88, + .upper_margin = 30, + .lower_margin = 32, + .vsync_len = 3, + + .lcdcon5 = 0x00014b02, + }, + { + .type = S3C2410_LCDCON1_TFT, + .width = 640, + .height = 480, + + .pixclock = 33333, + .xres = 640, + .yres = 480, + .bpp = 8, + .left_margin = 40, + .right_margin = 20, + .hsync_len = 88, + .upper_margin = 30, + .lower_margin = 32, + .vsync_len = 3, + + .lcdcon5 = 0x00014b02, + }, + { + .type = S3C2410_LCDCON1_TFT, + .width = 640, + .height = 480, + + .pixclock = 33333, + .xres = 640, + .yres = 480, + .bpp = 16, + .left_margin = 40, + .right_margin = 20, + .hsync_len = 88, + .upper_margin = 30, + .lower_margin = 32, + .vsync_len = 3, + + .lcdcon5 = 0x00014b02, + }, +}; + +/* LCD/VGA controller */ + +static struct s3c2410fb_mach_info __initdata bast_fb_info = { + + .displays = bast_lcd_info, + .num_displays = ARRAY_SIZE(bast_lcd_info), + .default_display = 1, +}; + +/* I2C devices fitted. */ + +static struct i2c_board_info bast_i2c_devs[] __initdata = { + { + I2C_BOARD_INFO("tlv320aic23", 0x1a), + }, { + I2C_BOARD_INFO("simtec-pmu", 0x6b), + }, { + I2C_BOARD_INFO("ch7013", 0x75), + }, +}; + +static struct s3c_hwmon_pdata bast_hwmon_info = { + /* LCD contrast (0-6.6V) */ + .in[0] = &(struct s3c_hwmon_chcfg) { + .name = "lcd-contrast", + .mult = 3300, + .div = 512, + }, + /* LED current feedback */ + .in[1] = &(struct s3c_hwmon_chcfg) { + .name = "led-feedback", + .mult = 3300, + .div = 1024, + }, + /* LCD feedback (0-6.6V) */ + .in[2] = &(struct s3c_hwmon_chcfg) { + .name = "lcd-feedback", + .mult = 3300, + .div = 512, + }, + /* Vcore (1.8-2.0V), Vref 3.3V */ + .in[3] = &(struct s3c_hwmon_chcfg) { + .name = "vcore", + .mult = 3300, + .div = 1024, + }, +}; + +/* Standard BAST devices */ +// cat /sys/devices/platform/s3c24xx-adc/s3c-hwmon/in_0 + +static struct platform_device *bast_devices[] __initdata = { + &s3c2410_device_dclk, + &s3c_device_ohci, + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_rtc, + &s3c_device_nand, + &s3c_device_adc, + &s3c_device_hwmon, + &bast_device_dm9k, + &bast_device_asix, + &bast_device_axpp, + &bast_sio, +}; + +static struct s3c_cpufreq_board __initdata bast_cpufreq = { + .refresh = 7800, /* 7.8usec */ + .auto_io = 1, + .need_io = 1, +}; + +static struct s3c24xx_audio_simtec_pdata __initdata bast_audio = { + .have_mic = 1, + .have_lout = 1, +}; + +static void __init bast_map_io(void) +{ + s3c_hwmon_set_platdata(&bast_hwmon_info); + + s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc)); + s3c24xx_init_uarts(bast_uartcfgs, ARRAY_SIZE(bast_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init bast_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + +static void __init bast_init(void) +{ + register_syscore_ops(&bast_pm_syscore_ops); + + s3c_i2c0_set_platdata(&bast_i2c_info); + s3c_nand_set_platdata(&bast_nand_info); + s3c24xx_fb_set_platdata(&bast_fb_info); + platform_add_devices(bast_devices, ARRAY_SIZE(bast_devices)); + + i2c_register_board_info(0, bast_i2c_devs, + ARRAY_SIZE(bast_i2c_devs)); + + usb_simtec_init(); + nor_simtec_init(); + simtec_audio_add(NULL, true, &bast_audio); + + WARN_ON(gpio_request(S3C2410_GPA(21), "bast nreset")); + + s3c_cpufreq_setboard(&bast_cpufreq); +} + +MACHINE_START(BAST, "Simtec-BAST") + /* Maintainer: Ben Dooks <ben@simtec.co.uk> */ + .atag_offset = 0x100, + .map_io = bast_map_io, + .init_irq = s3c2410_init_irq, + .init_machine = bast_init, + .init_time = bast_init_time, + .restart = s3c2410_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-gta02.c b/arch/arm/mach-s3c24xx/mach-gta02.c new file mode 100644 index 00000000000..fc3a08d0cb3 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-gta02.c @@ -0,0 +1,601 @@ +/* + * S3C2442 Machine Support for Openmoko GTA02 / FreeRunner. + * + * Copyright (C) 2006-2009 by Openmoko, Inc. + * Authors: Harald Welte <laforge@openmoko.org> + * Andy Green <andy@openmoko.org> + * Werner Almesberger <werner@openmoko.org> + * All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/delay.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/gpio_keys.h> +#include <linux/workqueue.h> +#include <linux/platform_device.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/input.h> +#include <linux/io.h> +#include <linux/i2c.h> + +#include <linux/mmc/host.h> + +#include <linux/mfd/pcf50633/adc.h> +#include <linux/mfd/pcf50633/backlight.h> +#include <linux/mfd/pcf50633/core.h> +#include <linux/mfd/pcf50633/gpio.h> +#include <linux/mfd/pcf50633/mbc.h> +#include <linux/mfd/pcf50633/pmic.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/nand_ecc.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> + +#include <linux/regulator/machine.h> + +#include <linux/spi/spi.h> +#include <linux/spi/s3c24xx.h> + +#include <asm/irq.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <linux/platform_data/i2c-s3c2410.h> +#include <linux/platform_data/mtd-nand-s3c2410.h> +#include <linux/platform_data/touchscreen-s3c2410.h> +#include <linux/platform_data/usb-ohci-s3c2410.h> +#include <linux/platform_data/usb-s3c2410_udc.h> + +#include <mach/fb.h> +#include <mach/hardware.h> +#include <mach/regs-gpio.h> +#include <mach/regs-irq.h> +#include <mach/gpio-samsung.h> + +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/gpio-cfg.h> +#include <plat/pm.h> +#include <plat/samsung-time.h> + +#include "common.h" +#include "gta02.h" + +static struct pcf50633 *gta02_pcf; + +/* + * This gets called frequently when we paniced. + */ + +static long gta02_panic_blink(int state) +{ + long delay = 0; + char led; + + led = (state) ? 1 : 0; + gpio_direction_output(GTA02_GPIO_AUX_LED, led); + + return delay; +} + + +static struct map_desc gta02_iodesc[] __initdata = { + { + .virtual = 0xe0000000, + .pfn = __phys_to_pfn(S3C2410_CS3 + 0x01000000), + .length = SZ_1M, + .type = MT_DEVICE + }, +}; + +#define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN) +#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB) +#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE) + +static struct s3c2410_uartcfg gta02_uartcfgs[] = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, +}; + +#ifdef CONFIG_CHARGER_PCF50633 +/* + * On GTA02 the 1A charger features a 48K resistor to 0V on the ID pin. + * We use this to recognize that we can pull 1A from the USB socket. + * + * These constants are the measured pcf50633 ADC levels with the 1A + * charger / 48K resistor, and with no pulldown resistor. + */ + +#define ADC_NOM_CHG_DETECT_1A 6 +#define ADC_NOM_CHG_DETECT_USB 43 + +static void +gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res) +{ + int ma; + + /* Interpret charger type */ + if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) { + + /* + * Sanity - stop GPO driving out now that we have a 1A charger + * GPO controls USB Host power generation on GTA02 + */ + pcf50633_gpio_set(pcf, PCF50633_GPO, 0); + + ma = 1000; + } else + ma = 100; + + pcf50633_mbc_usb_curlim_set(pcf, ma); +} + +static struct delayed_work gta02_charger_work; +static int gta02_usb_vbus_draw; + +static void gta02_charger_worker(struct work_struct *work) +{ + if (gta02_usb_vbus_draw) { + pcf50633_mbc_usb_curlim_set(gta02_pcf, gta02_usb_vbus_draw); + return; + } + +#ifdef CONFIG_PCF50633_ADC + pcf50633_adc_async_read(gta02_pcf, + PCF50633_ADCC1_MUX_ADCIN1, + PCF50633_ADCC1_AVERAGE_16, + gta02_configure_pmu_for_charger, + NULL); +#else + /* + * If the PCF50633 ADC is disabled we fallback to a + * 100mA limit for safety. + */ + pcf50633_mbc_usb_curlim_set(gta02_pcf, 100); +#endif +} + +#define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000) + +static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq) +{ + if (irq == PCF50633_IRQ_USBINS) { + schedule_delayed_work(>a02_charger_work, + GTA02_CHARGER_CONFIGURE_TIMEOUT); + + return; + } + + if (irq == PCF50633_IRQ_USBREM) { + cancel_delayed_work_sync(>a02_charger_work); + gta02_usb_vbus_draw = 0; + } +} + +static void gta02_udc_vbus_draw(unsigned int ma) +{ + if (!gta02_pcf) + return; + + gta02_usb_vbus_draw = ma; + + schedule_delayed_work(>a02_charger_work, + GTA02_CHARGER_CONFIGURE_TIMEOUT); +} +#else /* !CONFIG_CHARGER_PCF50633 */ +#define gta02_pmu_event_callback NULL +#define gta02_udc_vbus_draw NULL +#endif + +/* + * This is called when pc50633 is probed, unfortunately quite late in the + * day since it is an I2C bus device. Here we can belatedly define some + * platform devices with the advantage that we can mark the pcf50633 as the + * parent. This makes them get suspended and resumed with their parent + * the pcf50633 still around. + */ + +static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf); + + +static char *gta02_batteries[] = { + "battery", +}; + +static struct pcf50633_bl_platform_data gta02_backlight_data = { + .default_brightness = 0x3f, + .default_brightness_limit = 0, + .ramp_time = 5, +}; + +static struct pcf50633_platform_data gta02_pcf_pdata = { + .resumers = { + [0] = PCF50633_INT1_USBINS | + PCF50633_INT1_USBREM | + PCF50633_INT1_ALARM, + [1] = PCF50633_INT2_ONKEYF, + [2] = PCF50633_INT3_ONKEY1S, + [3] = PCF50633_INT4_LOWSYS | + PCF50633_INT4_LOWBAT | + PCF50633_INT4_HIGHTMP, + }, + + .batteries = gta02_batteries, + .num_batteries = ARRAY_SIZE(gta02_batteries), + + .charger_reference_current_ma = 1000, + + .backlight_data = >a02_backlight_data, + + .reg_init_data = { + [PCF50633_REGULATOR_AUTO] = { + .constraints = { + .min_uV = 3300000, + .max_uV = 3300000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .always_on = 1, + .apply_uV = 1, + }, + }, + [PCF50633_REGULATOR_DOWN1] = { + .constraints = { + .min_uV = 1300000, + .max_uV = 1600000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .always_on = 1, + .apply_uV = 1, + }, + }, + [PCF50633_REGULATOR_DOWN2] = { + .constraints = { + .min_uV = 1800000, + .max_uV = 1800000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + .always_on = 1, + }, + }, + [PCF50633_REGULATOR_HCLDO] = { + .constraints = { + .min_uV = 2000000, + .max_uV = 3300000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_STATUS, + }, + }, + [PCF50633_REGULATOR_LDO1] = { + .constraints = { + .min_uV = 3300000, + .max_uV = 3300000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .apply_uV = 1, + }, + }, + [PCF50633_REGULATOR_LDO2] = { + .constraints = { + .min_uV = 3300000, + .max_uV = 3300000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + }, + }, + [PCF50633_REGULATOR_LDO3] = { + .constraints = { + .min_uV = 3000000, + .max_uV = 3000000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + }, + }, + [PCF50633_REGULATOR_LDO4] = { + .constraints = { + .min_uV = 3200000, + .max_uV = 3200000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .apply_uV = 1, + }, + }, + [PCF50633_REGULATOR_LDO5] = { + .constraints = { + .min_uV = 3000000, + .max_uV = 3000000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .apply_uV = 1, + }, + }, + [PCF50633_REGULATOR_LDO6] = { + .constraints = { + .min_uV = 3000000, + .max_uV = 3000000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + }, + }, + [PCF50633_REGULATOR_MEMLDO] = { + .constraints = { + .min_uV = 1800000, + .max_uV = 1800000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + }, + }, + + }, + .probe_done = gta02_pmu_attach_child_devices, + .mbc_event_callback = gta02_pmu_event_callback, +}; + + +/* NOR Flash. */ + +#define GTA02_FLASH_BASE 0x18000000 /* GCS3 */ +#define GTA02_FLASH_SIZE 0x200000 /* 2MBytes */ + +static struct physmap_flash_data gta02_nor_flash_data = { + .width = 2, +}; + +static struct resource gta02_nor_flash_resource = + DEFINE_RES_MEM(GTA02_FLASH_BASE, GTA02_FLASH_SIZE); + +static struct platform_device gta02_nor_flash = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = >a02_nor_flash_data, + }, + .resource = >a02_nor_flash_resource, + .num_resources = 1, +}; + + +static struct platform_device s3c24xx_pwm_device = { + .name = "s3c24xx_pwm", + .num_resources = 0, +}; + +static struct platform_device gta02_dfbmcs320_device = { + .name = "dfbmcs320", +}; + +static struct i2c_board_info gta02_i2c_devs[] __initdata = { + { + I2C_BOARD_INFO("pcf50633", 0x73), + .irq = GTA02_IRQ_PCF50633, + .platform_data = >a02_pcf_pdata, + }, + { + I2C_BOARD_INFO("wm8753", 0x1a), + }, +}; + +static struct s3c2410_nand_set __initdata gta02_nand_sets[] = { + [0] = { + /* + * This name is also hard-coded in the boot loaders, so + * changing it would would require all users to upgrade + * their boot loaders, some of which are stored in a NOR + * that is considered to be immutable. + */ + .name = "neo1973-nand", + .nr_chips = 1, + .flash_bbt = 1, + }, +}; + +/* + * Choose a set of timings derived from S3C@2442B MCP54 + * data sheet (K5D2G13ACM-D075 MCP Memory). + */ + +static struct s3c2410_platform_nand __initdata gta02_nand_info = { + .tacls = 0, + .twrph0 = 25, + .twrph1 = 15, + .nr_sets = ARRAY_SIZE(gta02_nand_sets), + .sets = gta02_nand_sets, +}; + + +/* Get PMU to set USB current limit accordingly. */ +static struct s3c2410_udc_mach_info gta02_udc_cfg __initdata = { + .vbus_draw = gta02_udc_vbus_draw, + .pullup_pin = GTA02_GPIO_USB_PULLUP, +}; + +/* USB */ +static struct s3c2410_hcd_info gta02_usb_info __initdata = { + .port[0] = { + .flags = S3C_HCDFLG_USED, + }, + .port[1] = { + .flags = 0, + }, +}; + +/* Touchscreen */ +static struct s3c2410_ts_mach_info gta02_ts_info = { + .delay = 10000, + .presc = 0xff, /* slow as we can go */ + .oversampling_shift = 2, +}; + +/* Buttons */ +static struct gpio_keys_button gta02_buttons[] = { + { + .gpio = GTA02_GPIO_AUX_KEY, + .code = KEY_PHONE, + .desc = "Aux", + .type = EV_KEY, + .debounce_interval = 100, + }, + { + .gpio = GTA02_GPIO_HOLD_KEY, + .code = KEY_PAUSE, + .desc = "Hold", + .type = EV_KEY, + .debounce_interval = 100, + }, +}; + +static struct gpio_keys_platform_data gta02_buttons_pdata = { + .buttons = gta02_buttons, + .nbuttons = ARRAY_SIZE(gta02_buttons), +}; + +static struct platform_device gta02_buttons_device = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = >a02_buttons_pdata, + }, +}; + +static void __init gta02_map_io(void) +{ + s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc)); + s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + + +/* These are the guys that don't need to be children of PMU. */ + +static struct platform_device *gta02_devices[] __initdata = { + &s3c_device_ohci, + &s3c_device_wdt, + &s3c_device_sdi, + &s3c_device_usbgadget, + &s3c_device_nand, + >a02_nor_flash, + &s3c24xx_pwm_device, + &s3c_device_iis, + &s3c_device_i2c0, + >a02_dfbmcs320_device, + >a02_buttons_device, + &s3c_device_adc, + &s3c_device_ts, +}; + +/* These guys DO need to be children of PMU. */ + +static struct platform_device *gta02_devices_pmu_children[] = { +}; + + +/* + * This is called when pc50633 is probed, quite late in the day since it is an + * I2C bus device. Here we can define platform devices with the advantage that + * we can mark the pcf50633 as the parent. This makes them get suspended and + * resumed with their parent the pcf50633 still around. All devices whose + * operation depends on something from pcf50633 must have this relationship + * made explicit like this, or suspend and resume will become an unreliable + * hellworld. + */ + +static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf) +{ + int n; + + /* Grab a copy of the now probed PMU pointer. */ + gta02_pcf = pcf; + + for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++) + gta02_devices_pmu_children[n]->dev.parent = pcf->dev; + + platform_add_devices(gta02_devices_pmu_children, + ARRAY_SIZE(gta02_devices_pmu_children)); +} + +static void gta02_poweroff(void) +{ + pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN, 1, 1); +} + +static void __init gta02_machine_init(void) +{ + /* Set the panic callback to turn AUX LED on or off. */ + panic_blink = gta02_panic_blink; + + s3c_pm_init(); + +#ifdef CONFIG_CHARGER_PCF50633 + INIT_DELAYED_WORK(>a02_charger_work, gta02_charger_worker); +#endif + + s3c24xx_udc_set_platdata(>a02_udc_cfg); + s3c24xx_ts_set_platdata(>a02_ts_info); + s3c_ohci_set_platdata(>a02_usb_info); + s3c_nand_set_platdata(>a02_nand_info); + s3c_i2c0_set_platdata(NULL); + + i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs)); + + platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices)); + pm_power_off = gta02_poweroff; + + regulator_has_full_constraints(); +} + +static void __init gta02_init_time(void) +{ + s3c2442_init_clocks(12000000); + samsung_timer_init(); +} + +MACHINE_START(NEO1973_GTA02, "GTA02") + /* Maintainer: Nelson Castillo <arhuaco@freaks-unidos.net> */ + .atag_offset = 0x100, + .map_io = gta02_map_io, + .init_irq = s3c2442_init_irq, + .init_machine = gta02_machine_init, + .init_time = gta02_init_time, + .restart = s3c244x_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-h1940.c b/arch/arm/mach-s3c24xx/mach-h1940.c new file mode 100644 index 00000000000..fbf5487ae5d --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-h1940.c @@ -0,0 +1,748 @@ +/* + * Copyright (c) 2003-2005 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * http://www.handhelds.org/projects/h1940.html + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/memblock.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/input.h> +#include <linux/gpio_keys.h> +#include <linux/pwm_backlight.h> +#include <linux/i2c.h> +#include <linux/leds.h> +#include <linux/pda_power.h> +#include <linux/s3c_adc_battery.h> +#include <linux/delay.h> + +#include <video/platform_lcd.h> + +#include <linux/mmc/host.h> +#include <linux/export.h> + +#include <asm/irq.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <linux/platform_data/i2c-s3c2410.h> +#include <linux/platform_data/mmc-s3cmci.h> +#include <linux/platform_data/touchscreen-s3c2410.h> +#include <linux/platform_data/usb-s3c2410_udc.h> + +#include <sound/uda1380.h> + +#include <mach/fb.h> +#include <mach/hardware.h> +#include <mach/regs-clock.h> +#include <mach/regs-gpio.h> +#include <mach/regs-lcd.h> +#include <mach/gpio-samsung.h> + +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/gpio-cfg.h> +#include <plat/pll.h> +#include <plat/pm.h> +#include <plat/samsung-time.h> + +#include "common.h" +#include "h1940.h" + +#define H1940_LATCH ((void __force __iomem *)0xF8000000) + +#define H1940_PA_LATCH S3C2410_CS2 + +#define H1940_LATCH_BIT(x) (1 << ((x) + 16 - S3C_GPIO_END)) + +static struct map_desc h1940_iodesc[] __initdata = { + [0] = { + .virtual = (unsigned long)H1940_LATCH, + .pfn = __phys_to_pfn(H1940_PA_LATCH), + .length = SZ_16K, + .type = MT_DEVICE + }, +}; + +#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = 0x245, + .ulcon = 0x03, + .ufcon = 0x00, + }, + /* IR port */ + [2] = { + .hwport = 2, + .flags = 0, + .uart_flags = UPF_CONS_FLOW, + .ucon = 0x3c5, + .ulcon = 0x43, + .ufcon = 0x51, + } +}; + +/* Board control latch control */ + +static unsigned int latch_state; + +static void h1940_latch_control(unsigned int clear, unsigned int set) +{ + unsigned long flags; + + local_irq_save(flags); + + latch_state &= ~clear; + latch_state |= set; + + __raw_writel(latch_state, H1940_LATCH); + + local_irq_restore(flags); +} + +static inline int h1940_gpiolib_to_latch(int offset) +{ + return 1 << (offset + 16); +} + +static void h1940_gpiolib_latch_set(struct gpio_chip *chip, + unsigned offset, int value) +{ + int latch_bit = h1940_gpiolib_to_latch(offset); + + h1940_latch_control(value ? 0 : latch_bit, + value ? latch_bit : 0); +} + +static int h1940_gpiolib_latch_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + h1940_gpiolib_latch_set(chip, offset, value); + return 0; +} + +static int h1940_gpiolib_latch_get(struct gpio_chip *chip, + unsigned offset) +{ + return (latch_state >> (offset + 16)) & 1; +} + +static struct gpio_chip h1940_latch_gpiochip = { + .base = H1940_LATCH_GPIO(0), + .owner = THIS_MODULE, + .label = "H1940_LATCH", + .ngpio = 16, + .direction_output = h1940_gpiolib_latch_output, + .set = h1940_gpiolib_latch_set, + .get = h1940_gpiolib_latch_get, +}; + +static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = { + .vbus_pin = S3C2410_GPG(5), + .vbus_pin_inverted = 1, + .pullup_pin = H1940_LATCH_USB_DP, +}; + +static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = { + .delay = 10000, + .presc = 49, + .oversampling_shift = 2, + .cfg_gpio = s3c24xx_ts_cfg_gpio, +}; + +/** + * Set lcd on or off + **/ +static struct s3c2410fb_display h1940_lcd __initdata = { + .lcdcon5= S3C2410_LCDCON5_FRM565 | \ + S3C2410_LCDCON5_INVVLINE | \ + S3C2410_LCDCON5_HWSWP, + + .type = S3C2410_LCDCON1_TFT, + .width = 240, + .height = 320, + .pixclock = 260000, + .xres = 240, + .yres = 320, + .bpp = 16, + .left_margin = 8, + .right_margin = 20, + .hsync_len = 4, + .upper_margin = 8, + .lower_margin = 7, + .vsync_len = 1, +}; + +static struct s3c2410fb_mach_info h1940_fb_info __initdata = { + .displays = &h1940_lcd, + .num_displays = 1, + .default_display = 0, + + .lpcsel = 0x02, + .gpccon = 0xaa940659, + .gpccon_mask = 0xffffc0f0, + .gpcup = 0x0000ffff, + .gpcup_mask = 0xffffffff, + .gpdcon = 0xaa84aaa0, + .gpdcon_mask = 0xffffffff, + .gpdup = 0x0000faff, + .gpdup_mask = 0xffffffff, +}; + +static int power_supply_init(struct device *dev) +{ + return gpio_request(S3C2410_GPF(2), "cable plugged"); +} + +static int h1940_is_ac_online(void) +{ + return !gpio_get_value(S3C2410_GPF(2)); +} + +static void power_supply_exit(struct device *dev) +{ + gpio_free(S3C2410_GPF(2)); +} + +static char *h1940_supplicants[] = { + "main-battery", + "backup-battery", +}; + +static struct pda_power_pdata power_supply_info = { + .init = power_supply_init, + .is_ac_online = h1940_is_ac_online, + .exit = power_supply_exit, + .supplied_to = h1940_supplicants, + .num_supplicants = ARRAY_SIZE(h1940_supplicants), +}; + +static struct resource power_supply_resources[] = { + [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \ + | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE), +}; + +static struct platform_device power_supply = { + .name = "pda-power", + .id = -1, + .dev = { + .platform_data = + &power_supply_info, + }, + .resource = power_supply_resources, + .num_resources = ARRAY_SIZE(power_supply_resources), +}; + +static const struct s3c_adc_bat_thresh bat_lut_noac[] = { + { .volt = 4070, .cur = 162, .level = 100}, + { .volt = 4040, .cur = 165, .level = 95}, + { .volt = 4016, .cur = 164, .level = 90}, + { .volt = 3996, .cur = 166, .level = 85}, + { .volt = 3971, .cur = 168, .level = 80}, + { .volt = 3951, .cur = 168, .level = 75}, + { .volt = 3931, .cur = 170, .level = 70}, + { .volt = 3903, .cur = 172, .level = 65}, + { .volt = 3886, .cur = 172, .level = 60}, + { .volt = 3858, .cur = 176, .level = 55}, + { .volt = 3842, .cur = 176, .level = 50}, + { .volt = 3818, .cur = 176, .level = 45}, + { .volt = 3789, .cur = 180, .level = 40}, + { .volt = 3769, .cur = 180, .level = 35}, + { .volt = 3749, .cur = 184, .level = 30}, + { .volt = 3732, .cur = 184, .level = 25}, + { .volt = 3716, .cur = 184, .level = 20}, + { .volt = 3708, .cur = 184, .level = 15}, + { .volt = 3716, .cur = 96, .level = 10}, + { .volt = 3700, .cur = 96, .level = 5}, + { .volt = 3684, .cur = 96, .level = 0}, +}; + +static const struct s3c_adc_bat_thresh bat_lut_acin[] = { + { .volt = 4130, .cur = 0, .level = 100}, + { .volt = 3982, .cur = 0, .level = 50}, + { .volt = 3854, .cur = 0, .level = 10}, + { .volt = 3841, .cur = 0, .level = 0}, +}; + +static int h1940_bat_init(void) +{ + int ret; + + ret = gpio_request(H1940_LATCH_SM803_ENABLE, "h1940-charger-enable"); + if (ret) + return ret; + gpio_direction_output(H1940_LATCH_SM803_ENABLE, 0); + + return 0; + +} + +static void h1940_bat_exit(void) +{ + gpio_free(H1940_LATCH_SM803_ENABLE); +} + +static void h1940_enable_charger(void) +{ + gpio_set_value(H1940_LATCH_SM803_ENABLE, 1); +} + +static void h1940_disable_charger(void) +{ + gpio_set_value(H1940_LATCH_SM803_ENABLE, 0); +} + +static struct s3c_adc_bat_pdata h1940_bat_cfg = { + .init = h1940_bat_init, + .exit = h1940_bat_exit, + .enable_charger = h1940_enable_charger, + .disable_charger = h1940_disable_charger, + .gpio_charge_finished = S3C2410_GPF(3), + .gpio_inverted = 1, + .lut_noac = bat_lut_noac, + .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac), + .lut_acin = bat_lut_acin, + .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin), + .volt_channel = 0, + .current_channel = 1, + .volt_mult = 4056, + .current_mult = 1893, + .internal_impedance = 200, + .backup_volt_channel = 3, + /* TODO Check backup volt multiplier */ + .backup_volt_mult = 4056, + .backup_volt_min = 0, + .backup_volt_max = 4149288 +}; + +static struct platform_device h1940_battery = { + .name = "s3c-adc-battery", + .id = -1, + .dev = { + .parent = &s3c_device_adc.dev, + .platform_data = &h1940_bat_cfg, + }, +}; + +static DEFINE_SPINLOCK(h1940_blink_spin); + +int h1940_led_blink_set(unsigned gpio, int state, + unsigned long *delay_on, unsigned long *delay_off) +{ + int blink_gpio, check_gpio1, check_gpio2; + + switch (gpio) { + case H1940_LATCH_LED_GREEN: + blink_gpio = S3C2410_GPA(7); + check_gpio1 = S3C2410_GPA(1); + check_gpio2 = S3C2410_GPA(3); + break; + case H1940_LATCH_LED_RED: + blink_gpio = S3C2410_GPA(1); + check_gpio1 = S3C2410_GPA(7); + check_gpio2 = S3C2410_GPA(3); + break; + default: + blink_gpio = S3C2410_GPA(3); + check_gpio1 = S3C2410_GPA(1); + check_gpio2 = S3C2410_GPA(7); + break; + } + + if (delay_on && delay_off && !*delay_on && !*delay_off) + *delay_on = *delay_off = 500; + + spin_lock(&h1940_blink_spin); + + switch (state) { + case GPIO_LED_NO_BLINK_LOW: + case GPIO_LED_NO_BLINK_HIGH: + if (!gpio_get_value(check_gpio1) && + !gpio_get_value(check_gpio2)) + gpio_set_value(H1940_LATCH_LED_FLASH, 0); + gpio_set_value(blink_gpio, 0); + if (gpio_is_valid(gpio)) + gpio_set_value(gpio, state); + break; + case GPIO_LED_BLINK: + if (gpio_is_valid(gpio)) + gpio_set_value(gpio, 0); + gpio_set_value(H1940_LATCH_LED_FLASH, 1); + gpio_set_value(blink_gpio, 1); + break; + } + + spin_unlock(&h1940_blink_spin); + + return 0; +} +EXPORT_SYMBOL(h1940_led_blink_set); + +static struct gpio_led h1940_leds_desc[] = { + { + .name = "Green", + .default_trigger = "main-battery-full", + .gpio = H1940_LATCH_LED_GREEN, + .retain_state_suspended = 1, + }, + { + .name = "Red", + .default_trigger + = "main-battery-charging-blink-full-solid", + .gpio = H1940_LATCH_LED_RED, + .retain_state_suspended = 1, + }, +}; + +static struct gpio_led_platform_data h1940_leds_pdata = { + .num_leds = ARRAY_SIZE(h1940_leds_desc), + .leds = h1940_leds_desc, + .gpio_blink_set = h1940_led_blink_set, +}; + +static struct platform_device h1940_device_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &h1940_leds_pdata, + }, +}; + +static struct platform_device h1940_device_bluetooth = { + .name = "h1940-bt", + .id = -1, +}; + +static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd) +{ + switch (power_mode) { + case MMC_POWER_OFF: + gpio_set_value(H1940_LATCH_SD_POWER, 0); + break; + case MMC_POWER_UP: + case MMC_POWER_ON: + gpio_set_value(H1940_LATCH_SD_POWER, 1); + break; + default: + break; + } +} + +static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = { + .gpio_detect = S3C2410_GPF(5), + .gpio_wprotect = S3C2410_GPH(8), + .set_power = h1940_set_mmc_power, + .ocr_avail = MMC_VDD_32_33, +}; + +static int h1940_backlight_init(struct device *dev) +{ + gpio_request(S3C2410_GPB(0), "Backlight"); + + gpio_direction_output(S3C2410_GPB(0), 0); + s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0); + gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1); + + return 0; +} + +static int h1940_backlight_notify(struct device *dev, int brightness) +{ + if (!brightness) { + gpio_direction_output(S3C2410_GPB(0), 1); + gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0); + } else { + gpio_direction_output(S3C2410_GPB(0), 0); + s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0); + gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1); + } + return brightness; +} + +static void h1940_backlight_exit(struct device *dev) +{ + gpio_direction_output(S3C2410_GPB(0), 1); + gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0); +} + + +static struct platform_pwm_backlight_data backlight_data = { + .pwm_id = 0, + .max_brightness = 100, + .dft_brightness = 50, + /* tcnt = 0x31 */ + .pwm_period_ns = 36296, + .enable_gpio = -1, + .init = h1940_backlight_init, + .notify = h1940_backlight_notify, + .exit = h1940_backlight_exit, +}; + +static struct platform_device h1940_backlight = { + .name = "pwm-backlight", + .dev = { + .parent = &samsung_device_pwm.dev, + .platform_data = &backlight_data, + }, + .id = -1, +}; + +static void h1940_lcd_power_set(struct plat_lcd_data *pd, + unsigned int power) +{ + int value, retries = 100; + + if (!power) { + gpio_set_value(S3C2410_GPC(0), 0); + /* wait for 3ac */ + do { + value = gpio_get_value(S3C2410_GPC(6)); + } while (value && retries--); + + gpio_set_value(H1940_LATCH_LCD_P2, 0); + gpio_set_value(H1940_LATCH_LCD_P3, 0); + gpio_set_value(H1940_LATCH_LCD_P4, 0); + + gpio_direction_output(S3C2410_GPC(1), 0); + gpio_direction_output(S3C2410_GPC(4), 0); + + gpio_set_value(H1940_LATCH_LCD_P1, 0); + gpio_set_value(H1940_LATCH_LCD_P0, 0); + + gpio_set_value(S3C2410_GPC(5), 0); + + } else { + gpio_set_value(H1940_LATCH_LCD_P0, 1); + gpio_set_value(H1940_LATCH_LCD_P1, 1); + + gpio_direction_input(S3C2410_GPC(1)); + gpio_direction_input(S3C2410_GPC(4)); + mdelay(10); + s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2)); + s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2)); + + gpio_set_value(S3C2410_GPC(5), 1); + gpio_set_value(S3C2410_GPC(0), 1); + + gpio_set_value(H1940_LATCH_LCD_P3, 1); + gpio_set_value(H1940_LATCH_LCD_P2, 1); + gpio_set_value(H1940_LATCH_LCD_P4, 1); + } +} + +static struct plat_lcd_data h1940_lcd_power_data = { + .set_power = h1940_lcd_power_set, +}; + +static struct platform_device h1940_lcd_powerdev = { + .name = "platform-lcd", + .dev.parent = &s3c_device_lcd.dev, + .dev.platform_data = &h1940_lcd_power_data, +}; + +static struct uda1380_platform_data uda1380_info = { + .gpio_power = H1940_LATCH_UDA_POWER, + .gpio_reset = S3C2410_GPA(12), + .dac_clk = UDA1380_DAC_CLK_SYSCLK, +}; + +static struct i2c_board_info h1940_i2c_devices[] = { + { + I2C_BOARD_INFO("uda1380", 0x1a), + .platform_data = &uda1380_info, + }, +}; + +#define DECLARE_BUTTON(p, k, n, w) \ + { \ + .gpio = p, \ + .code = k, \ + .desc = n, \ + .wakeup = w, \ + .active_low = 1, \ + } + +static struct gpio_keys_button h1940_buttons[] = { + DECLARE_BUTTON(S3C2410_GPF(0), KEY_POWER, "Power", 1), + DECLARE_BUTTON(S3C2410_GPF(6), KEY_ENTER, "Select", 1), + DECLARE_BUTTON(S3C2410_GPF(7), KEY_RECORD, "Record", 0), + DECLARE_BUTTON(S3C2410_GPG(0), KEY_F11, "Calendar", 0), + DECLARE_BUTTON(S3C2410_GPG(2), KEY_F12, "Contacts", 0), + DECLARE_BUTTON(S3C2410_GPG(3), KEY_MAIL, "Mail", 0), + DECLARE_BUTTON(S3C2410_GPG(6), KEY_LEFT, "Left_arrow", 0), + DECLARE_BUTTON(S3C2410_GPG(7), KEY_HOMEPAGE, "Home", 0), + DECLARE_BUTTON(S3C2410_GPG(8), KEY_RIGHT, "Right_arrow", 0), + DECLARE_BUTTON(S3C2410_GPG(9), KEY_UP, "Up_arrow", 0), + DECLARE_BUTTON(S3C2410_GPG(10), KEY_DOWN, "Down_arrow", 0), +}; + +static struct gpio_keys_platform_data h1940_buttons_data = { + .buttons = h1940_buttons, + .nbuttons = ARRAY_SIZE(h1940_buttons), +}; + +static struct platform_device h1940_dev_buttons = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &h1940_buttons_data, + } +}; + +static struct platform_device *h1940_devices[] __initdata = { + &h1940_dev_buttons, + &s3c_device_ohci, + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_iis, + &s3c_device_usbgadget, + &h1940_device_leds, + &h1940_device_bluetooth, + &s3c_device_sdi, + &s3c_device_rtc, + &samsung_device_pwm, + &h1940_backlight, + &h1940_lcd_powerdev, + &s3c_device_adc, + &s3c_device_ts, + &power_supply, + &h1940_battery, +}; + +static void __init h1940_map_io(void) +{ + s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc)); + s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); + + /* setup PM */ + +#ifdef CONFIG_PM_H1940 + memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024); +#endif + s3c_pm_init(); + + /* Add latch gpio chip, set latch initial value */ + h1940_latch_control(0, 0); + WARN_ON(gpiochip_add(&h1940_latch_gpiochip)); +} + +static void __init h1940_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + +/* H1940 and RX3715 need to reserve this for suspend */ +static void __init h1940_reserve(void) +{ + memblock_reserve(0x30003000, 0x1000); + memblock_reserve(0x30081000, 0x1000); +} + +static void __init h1940_init(void) +{ + u32 tmp; + + s3c24xx_fb_set_platdata(&h1940_fb_info); + s3c24xx_mci_set_platdata(&h1940_mmc_cfg); + s3c24xx_udc_set_platdata(&h1940_udc_cfg); + s3c24xx_ts_set_platdata(&h1940_ts_cfg); + s3c_i2c0_set_platdata(NULL); + + /* Turn off suspend on both USB ports, and switch the + * selectable USB port to USB device mode. */ + + s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST | + S3C2410_MISCCR_USBSUSPND0 | + S3C2410_MISCCR_USBSUSPND1, 0x0); + + tmp = (0x78 << S3C24XX_PLL_MDIV_SHIFT) + | (0x02 << S3C24XX_PLL_PDIV_SHIFT) + | (0x03 << S3C24XX_PLL_SDIV_SHIFT); + writel(tmp, S3C2410_UPLLCON); + + gpio_request(S3C2410_GPC(0), "LCD power"); + gpio_request(S3C2410_GPC(1), "LCD power"); + gpio_request(S3C2410_GPC(4), "LCD power"); + gpio_request(S3C2410_GPC(5), "LCD power"); + gpio_request(S3C2410_GPC(6), "LCD power"); + gpio_request(H1940_LATCH_LCD_P0, "LCD power"); + gpio_request(H1940_LATCH_LCD_P1, "LCD power"); + gpio_request(H1940_LATCH_LCD_P2, "LCD power"); + gpio_request(H1940_LATCH_LCD_P3, "LCD power"); + gpio_request(H1940_LATCH_LCD_P4, "LCD power"); + gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power"); + gpio_direction_output(S3C2410_GPC(0), 0); + gpio_direction_output(S3C2410_GPC(1), 0); + gpio_direction_output(S3C2410_GPC(4), 0); + gpio_direction_output(S3C2410_GPC(5), 0); + gpio_direction_input(S3C2410_GPC(6)); + gpio_direction_output(H1940_LATCH_LCD_P0, 0); + gpio_direction_output(H1940_LATCH_LCD_P1, 0); + gpio_direction_output(H1940_LATCH_LCD_P2, 0); + gpio_direction_output(H1940_LATCH_LCD_P3, 0); + gpio_direction_output(H1940_LATCH_LCD_P4, 0); + gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0); + + gpio_request(H1940_LATCH_SD_POWER, "SD power"); + gpio_direction_output(H1940_LATCH_SD_POWER, 0); + + platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices)); + + gpio_request(S3C2410_GPA(1), "Red LED blink"); + gpio_request(S3C2410_GPA(3), "Blue LED blink"); + gpio_request(S3C2410_GPA(7), "Green LED blink"); + gpio_request(H1940_LATCH_LED_FLASH, "LED blink"); + gpio_direction_output(S3C2410_GPA(1), 0); + gpio_direction_output(S3C2410_GPA(3), 0); + gpio_direction_output(S3C2410_GPA(7), 0); + gpio_direction_output(H1940_LATCH_LED_FLASH, 0); + + i2c_register_board_info(0, h1940_i2c_devices, + ARRAY_SIZE(h1940_i2c_devices)); +} + +MACHINE_START(H1940, "IPAQ-H1940") + /* Maintainer: Ben Dooks <ben-linux@fluff.org> */ + .atag_offset = 0x100, + .map_io = h1940_map_io, + .reserve = h1940_reserve, + .init_irq = s3c2410_init_irq, + .init_machine = h1940_init, + .init_time = h1940_init_time, + .restart = s3c2410_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-jive.c b/arch/arm/mach-s3c24xx/mach-jive.c new file mode 100644 index 00000000000..e81ea82c55f --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-jive.c @@ -0,0 +1,675 @@ +/* linux/arch/arm/mach-s3c2410/mach-jive.c + * + * Copyright 2007 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * http://armlinux.simtec.co.uk/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/syscore_ops.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/i2c.h> + +#include <video/ili9320.h> + +#include <linux/spi/spi.h> +#include <linux/spi/spi_gpio.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <linux/platform_data/mtd-nand-s3c2410.h> +#include <linux/platform_data/i2c-s3c2410.h> + +#include <mach/regs-gpio.h> +#include <mach/regs-lcd.h> +#include <mach/fb.h> +#include <mach/gpio-samsung.h> + +#include <asm/mach-types.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/nand_ecc.h> +#include <linux/mtd/partitions.h> + +#include <plat/gpio-cfg.h> +#include <plat/clock.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/pm.h> +#include <linux/platform_data/usb-s3c2410_udc.h> +#include <plat/samsung-time.h> + +#include "common.h" +#include "s3c2412-power.h" + +static struct map_desc jive_iodesc[] __initdata = { +}; + +#define UCON S3C2410_UCON_DEFAULT +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg jive_uartcfgs[] = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + } +}; + +/* Jive flash assignment + * + * 0x00000000-0x00028000 : uboot + * 0x00028000-0x0002c000 : uboot env + * 0x0002c000-0x00030000 : spare + * 0x00030000-0x00200000 : zimage A + * 0x00200000-0x01600000 : cramfs A + * 0x01600000-0x017d0000 : zimage B + * 0x017d0000-0x02bd0000 : cramfs B + * 0x02bd0000-0x03fd0000 : yaffs + */ +static struct mtd_partition __initdata jive_imageA_nand_part[] = { + +#ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER + /* Don't allow access to the bootloader from linux */ + { + .name = "uboot", + .offset = 0, + .size = (160 * SZ_1K), + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + + /* spare */ + { + .name = "spare", + .offset = (176 * SZ_1K), + .size = (16 * SZ_1K), + }, +#endif + + /* booted images */ + { + .name = "kernel (ro)", + .offset = (192 * SZ_1K), + .size = (SZ_2M) - (192 * SZ_1K), + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, { + .name = "root (ro)", + .offset = (SZ_2M), + .size = (20 * SZ_1M), + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + + /* yaffs */ + { + .name = "yaffs", + .offset = (44 * SZ_1M), + .size = (20 * SZ_1M), + }, + + /* bootloader environment */ + { + .name = "env", + .offset = (160 * SZ_1K), + .size = (16 * SZ_1K), + }, + + /* upgrade images */ + { + .name = "zimage", + .offset = (22 * SZ_1M), + .size = (2 * SZ_1M) - (192 * SZ_1K), + }, { + .name = "cramfs", + .offset = (24 * SZ_1M) - (192*SZ_1K), + .size = (20 * SZ_1M), + }, +}; + +static struct mtd_partition __initdata jive_imageB_nand_part[] = { + +#ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER + /* Don't allow access to the bootloader from linux */ + { + .name = "uboot", + .offset = 0, + .size = (160 * SZ_1K), + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + + /* spare */ + { + .name = "spare", + .offset = (176 * SZ_1K), + .size = (16 * SZ_1K), + }, +#endif + + /* booted images */ + { + .name = "kernel (ro)", + .offset = (22 * SZ_1M), + .size = (2 * SZ_1M) - (192 * SZ_1K), + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + { + .name = "root (ro)", + .offset = (24 * SZ_1M) - (192 * SZ_1K), + .size = (20 * SZ_1M), + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + + /* yaffs */ + { + .name = "yaffs", + .offset = (44 * SZ_1M), + .size = (20 * SZ_1M), + }, + + /* bootloader environment */ + { + .name = "env", + .offset = (160 * SZ_1K), + .size = (16 * SZ_1K), + }, + + /* upgrade images */ + { + .name = "zimage", + .offset = (192 * SZ_1K), + .size = (2 * SZ_1M) - (192 * SZ_1K), + }, { + .name = "cramfs", + .offset = (2 * SZ_1M), + .size = (20 * SZ_1M), + }, +}; + +static struct s3c2410_nand_set __initdata jive_nand_sets[] = { + [0] = { + .name = "flash", + .nr_chips = 1, + .nr_partitions = ARRAY_SIZE(jive_imageA_nand_part), + .partitions = jive_imageA_nand_part, + }, +}; + +static struct s3c2410_platform_nand __initdata jive_nand_info = { + /* set taken from osiris nand timings, possibly still conservative */ + .tacls = 30, + .twrph0 = 55, + .twrph1 = 40, + .sets = jive_nand_sets, + .nr_sets = ARRAY_SIZE(jive_nand_sets), +}; + +static int __init jive_mtdset(char *options) +{ + struct s3c2410_nand_set *nand = &jive_nand_sets[0]; + unsigned long set; + + if (options == NULL || options[0] == '\0') + return 0; + + if (strict_strtoul(options, 10, &set)) { + printk(KERN_ERR "failed to parse mtdset=%s\n", options); + return 0; + } + + switch (set) { + case 1: + nand->nr_partitions = ARRAY_SIZE(jive_imageB_nand_part); + nand->partitions = jive_imageB_nand_part; + case 0: + /* this is already setup in the nand info */ + break; + default: + printk(KERN_ERR "Unknown mtd set %ld specified," + "using default.", set); + } + + return 0; +} + +/* parse the mtdset= option given to the kernel command line */ +__setup("mtdset=", jive_mtdset); + +/* LCD timing and setup */ + +#define LCD_XRES (240) +#define LCD_YRES (320) +#define LCD_LEFT_MARGIN (12) +#define LCD_RIGHT_MARGIN (12) +#define LCD_LOWER_MARGIN (12) +#define LCD_UPPER_MARGIN (12) +#define LCD_VSYNC (2) +#define LCD_HSYNC (2) + +#define LCD_REFRESH (60) + +#define LCD_HTOT (LCD_HSYNC + LCD_LEFT_MARGIN + LCD_XRES + LCD_RIGHT_MARGIN) +#define LCD_VTOT (LCD_VSYNC + LCD_LOWER_MARGIN + LCD_YRES + LCD_UPPER_MARGIN) + +static struct s3c2410fb_display jive_vgg2432a4_display[] = { + [0] = { + .width = LCD_XRES, + .height = LCD_YRES, + .xres = LCD_XRES, + .yres = LCD_YRES, + .left_margin = LCD_LEFT_MARGIN, + .right_margin = LCD_RIGHT_MARGIN, + .upper_margin = LCD_UPPER_MARGIN, + .lower_margin = LCD_LOWER_MARGIN, + .hsync_len = LCD_HSYNC, + .vsync_len = LCD_VSYNC, + + .pixclock = (1000000000000LL / + (LCD_REFRESH * LCD_HTOT * LCD_VTOT)), + + .bpp = 16, + .type = (S3C2410_LCDCON1_TFT16BPP | + S3C2410_LCDCON1_TFT), + + .lcdcon5 = (S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_INVVFRAME | + S3C2410_LCDCON5_INVVDEN | + S3C2410_LCDCON5_PWREN), + }, +}; + +/* todo - put into gpio header */ + +#define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2)) +#define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2)) + +static struct s3c2410fb_mach_info jive_lcd_config = { + .displays = jive_vgg2432a4_display, + .num_displays = ARRAY_SIZE(jive_vgg2432a4_display), + .default_display = 0, + + /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN + * and disable the pull down resistors on pins we are using for LCD + * data. */ + + .gpcup = (0xf << 1) | (0x3f << 10), + + .gpccon = (S3C2410_GPC1_VCLK | S3C2410_GPC2_VLINE | + S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM | + S3C2410_GPC10_VD2 | S3C2410_GPC11_VD3 | + S3C2410_GPC12_VD4 | S3C2410_GPC13_VD5 | + S3C2410_GPC14_VD6 | S3C2410_GPC15_VD7), + + .gpccon_mask = (S3C2410_GPCCON_MASK(1) | S3C2410_GPCCON_MASK(2) | + S3C2410_GPCCON_MASK(3) | S3C2410_GPCCON_MASK(4) | + S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) | + S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) | + S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)), + + .gpdup = (0x3f << 2) | (0x3f << 10), + + .gpdcon = (S3C2410_GPD2_VD10 | S3C2410_GPD3_VD11 | + S3C2410_GPD4_VD12 | S3C2410_GPD5_VD13 | + S3C2410_GPD6_VD14 | S3C2410_GPD7_VD15 | + S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 | + S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 | + S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23), + + .gpdcon_mask = (S3C2410_GPDCON_MASK(2) | S3C2410_GPDCON_MASK(3) | + S3C2410_GPDCON_MASK(4) | S3C2410_GPDCON_MASK(5) | + S3C2410_GPDCON_MASK(6) | S3C2410_GPDCON_MASK(7) | + S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)| + S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)| + S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)), +}; + +/* ILI9320 support. */ + +static void jive_lcm_reset(unsigned int set) +{ + printk(KERN_DEBUG "%s(%d)\n", __func__, set); + + gpio_set_value(S3C2410_GPG(13), set); +} + +#undef LCD_UPPER_MARGIN +#define LCD_UPPER_MARGIN 2 + +static struct ili9320_platdata jive_lcm_config = { + .hsize = LCD_XRES, + .vsize = LCD_YRES, + + .reset = jive_lcm_reset, + .suspend = ILI9320_SUSPEND_DEEP, + + .entry_mode = ILI9320_ENTRYMODE_ID(3) | ILI9320_ENTRYMODE_BGR, + .display2 = (ILI9320_DISPLAY2_FP(LCD_UPPER_MARGIN) | + ILI9320_DISPLAY2_BP(LCD_LOWER_MARGIN)), + .display3 = 0x0, + .display4 = 0x0, + .rgb_if1 = (ILI9320_RGBIF1_RIM_RGB18 | + ILI9320_RGBIF1_RM | ILI9320_RGBIF1_CLK_RGBIF), + .rgb_if2 = ILI9320_RGBIF2_DPL, + .interface2 = 0x0, + .interface3 = 0x3, + .interface4 = (ILI9320_INTERFACE4_RTNE(16) | + ILI9320_INTERFACE4_DIVE(1)), + .interface5 = 0x0, + .interface6 = 0x0, +}; + +/* LCD SPI support */ + +static struct spi_gpio_platform_data jive_lcd_spi = { + .sck = S3C2410_GPG(8), + .mosi = S3C2410_GPB(8), + .miso = SPI_GPIO_NO_MISO, +}; + +static struct platform_device jive_device_lcdspi = { + .name = "spi-gpio", + .id = 1, + .dev.platform_data = &jive_lcd_spi, +}; + + +/* WM8750 audio code SPI definition */ + +static struct spi_gpio_platform_data jive_wm8750_spi = { + .sck = S3C2410_GPB(4), + .mosi = S3C2410_GPB(9), + .miso = SPI_GPIO_NO_MISO, +}; + +static struct platform_device jive_device_wm8750 = { + .name = "spi-gpio", + .id = 2, + .dev.platform_data = &jive_wm8750_spi, +}; + +/* JIVE SPI devices. */ + +static struct spi_board_info __initdata jive_spi_devs[] = { + [0] = { + .modalias = "VGG2432A4", + .bus_num = 1, + .chip_select = 0, + .mode = SPI_MODE_3, /* CPOL=1, CPHA=1 */ + .max_speed_hz = 100000, + .platform_data = &jive_lcm_config, + .controller_data = (void *)S3C2410_GPB(7), + }, { + .modalias = "WM8750", + .bus_num = 2, + .chip_select = 0, + .mode = SPI_MODE_0, /* CPOL=0, CPHA=0 */ + .max_speed_hz = 100000, + .controller_data = (void *)S3C2410_GPH(10), + }, +}; + +/* I2C bus and device configuration. */ + +static struct s3c2410_platform_i2c jive_i2c_cfg __initdata = { + .frequency = 80 * 1000, + .flags = S3C_IICFLG_FILTER, + .sda_delay = 2, +}; + +static struct i2c_board_info jive_i2c_devs[] __initdata = { + [0] = { + I2C_BOARD_INFO("lis302dl", 0x1c), + .irq = IRQ_EINT14, + }, +}; + +/* The platform devices being used. */ + +static struct platform_device *jive_devices[] __initdata = { + &s3c_device_ohci, + &s3c_device_rtc, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_lcd, + &jive_device_lcdspi, + &jive_device_wm8750, + &s3c_device_nand, + &s3c_device_usbgadget, + &s3c2412_device_dma, +}; + +static struct s3c2410_udc_mach_info jive_udc_cfg __initdata = { + .vbus_pin = S3C2410_GPG(1), /* detect is on GPG1 */ +}; + +/* Jive power management device */ + +#ifdef CONFIG_PM +static int jive_pm_suspend(void) +{ + /* Write the magic value u-boot uses to check for resume into + * the INFORM0 register, and ensure INFORM1 is set to the + * correct address to resume from. */ + + __raw_writel(0x2BED, S3C2412_INFORM0); + __raw_writel(virt_to_phys(s3c_cpu_resume), S3C2412_INFORM1); + + return 0; +} + +static void jive_pm_resume(void) +{ + __raw_writel(0x0, S3C2412_INFORM0); +} + +#else +#define jive_pm_suspend NULL +#define jive_pm_resume NULL +#endif + +static struct syscore_ops jive_pm_syscore_ops = { + .suspend = jive_pm_suspend, + .resume = jive_pm_resume, +}; + +static void __init jive_map_io(void) +{ + s3c24xx_init_io(jive_iodesc, ARRAY_SIZE(jive_iodesc)); + s3c24xx_init_uarts(jive_uartcfgs, ARRAY_SIZE(jive_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init jive_init_time(void) +{ + s3c2412_init_clocks(12000000); + samsung_timer_init(); +} + +static void jive_power_off(void) +{ + printk(KERN_INFO "powering system down...\n"); + + gpio_request_one(S3C2410_GPC(5), GPIOF_OUT_INIT_HIGH, NULL); + gpio_free(S3C2410_GPC(5)); +} + +static void __init jive_machine_init(void) +{ + /* register system core operations for managing low level suspend */ + + register_syscore_ops(&jive_pm_syscore_ops); + + /* write our sleep configurations for the IO. Pull down all unused + * IO, ensure that we have turned off all peripherals we do not + * need, and configure the ones we do need. */ + + /* Port B sleep */ + + __raw_writel(S3C2412_SLPCON_IN(0) | + S3C2412_SLPCON_PULL(1) | + S3C2412_SLPCON_HIGH(2) | + S3C2412_SLPCON_PULL(3) | + S3C2412_SLPCON_PULL(4) | + S3C2412_SLPCON_PULL(5) | + S3C2412_SLPCON_PULL(6) | + S3C2412_SLPCON_HIGH(7) | + S3C2412_SLPCON_PULL(8) | + S3C2412_SLPCON_PULL(9) | + S3C2412_SLPCON_PULL(10), S3C2412_GPBSLPCON); + + /* Port C sleep */ + + __raw_writel(S3C2412_SLPCON_PULL(0) | + S3C2412_SLPCON_PULL(1) | + S3C2412_SLPCON_PULL(2) | + S3C2412_SLPCON_PULL(3) | + S3C2412_SLPCON_PULL(4) | + S3C2412_SLPCON_PULL(5) | + S3C2412_SLPCON_LOW(6) | + S3C2412_SLPCON_PULL(6) | + S3C2412_SLPCON_PULL(7) | + S3C2412_SLPCON_PULL(8) | + S3C2412_SLPCON_PULL(9) | + S3C2412_SLPCON_PULL(10) | + S3C2412_SLPCON_PULL(11) | + S3C2412_SLPCON_PULL(12) | + S3C2412_SLPCON_PULL(13) | + S3C2412_SLPCON_PULL(14) | + S3C2412_SLPCON_PULL(15), S3C2412_GPCSLPCON); + + /* Port D sleep */ + + __raw_writel(S3C2412_SLPCON_ALL_PULL, S3C2412_GPDSLPCON); + + /* Port F sleep */ + + __raw_writel(S3C2412_SLPCON_LOW(0) | + S3C2412_SLPCON_LOW(1) | + S3C2412_SLPCON_LOW(2) | + S3C2412_SLPCON_EINT(3) | + S3C2412_SLPCON_EINT(4) | + S3C2412_SLPCON_EINT(5) | + S3C2412_SLPCON_EINT(6) | + S3C2412_SLPCON_EINT(7), S3C2412_GPFSLPCON); + + /* Port G sleep */ + + __raw_writel(S3C2412_SLPCON_IN(0) | + S3C2412_SLPCON_IN(1) | + S3C2412_SLPCON_IN(2) | + S3C2412_SLPCON_IN(3) | + S3C2412_SLPCON_IN(4) | + S3C2412_SLPCON_IN(5) | + S3C2412_SLPCON_IN(6) | + S3C2412_SLPCON_IN(7) | + S3C2412_SLPCON_PULL(8) | + S3C2412_SLPCON_PULL(9) | + S3C2412_SLPCON_IN(10) | + S3C2412_SLPCON_PULL(11) | + S3C2412_SLPCON_PULL(12) | + S3C2412_SLPCON_PULL(13) | + S3C2412_SLPCON_IN(14) | + S3C2412_SLPCON_PULL(15), S3C2412_GPGSLPCON); + + /* Port H sleep */ + + __raw_writel(S3C2412_SLPCON_PULL(0) | + S3C2412_SLPCON_PULL(1) | + S3C2412_SLPCON_PULL(2) | + S3C2412_SLPCON_PULL(3) | + S3C2412_SLPCON_PULL(4) | + S3C2412_SLPCON_PULL(5) | + S3C2412_SLPCON_PULL(6) | + S3C2412_SLPCON_IN(7) | + S3C2412_SLPCON_IN(8) | + S3C2412_SLPCON_PULL(9) | + S3C2412_SLPCON_IN(10), S3C2412_GPHSLPCON); + + /* initialise the power management now we've setup everything. */ + + s3c_pm_init(); + + /** TODO - check that this is after the cmdline option! */ + s3c_nand_set_platdata(&jive_nand_info); + + /* initialise the spi */ + + gpio_request(S3C2410_GPG(13), "lcm reset"); + gpio_direction_output(S3C2410_GPG(13), 0); + + gpio_request(S3C2410_GPB(7), "jive spi"); + gpio_direction_output(S3C2410_GPB(7), 1); + + gpio_request_one(S3C2410_GPB(6), GPIOF_OUT_INIT_LOW, NULL); + gpio_free(S3C2410_GPB(6)); + + gpio_request_one(S3C2410_GPG(8), GPIOF_OUT_INIT_HIGH, NULL); + gpio_free(S3C2410_GPG(8)); + + /* initialise the WM8750 spi */ + + gpio_request(S3C2410_GPH(10), "jive wm8750 spi"); + gpio_direction_output(S3C2410_GPH(10), 1); + + /* Turn off suspend on both USB ports, and switch the + * selectable USB port to USB device mode. */ + + s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST | + S3C2410_MISCCR_USBSUSPND0 | + S3C2410_MISCCR_USBSUSPND1, 0x0); + + s3c24xx_udc_set_platdata(&jive_udc_cfg); + s3c24xx_fb_set_platdata(&jive_lcd_config); + + spi_register_board_info(jive_spi_devs, ARRAY_SIZE(jive_spi_devs)); + + s3c_i2c0_set_platdata(&jive_i2c_cfg); + i2c_register_board_info(0, jive_i2c_devs, ARRAY_SIZE(jive_i2c_devs)); + + pm_power_off = jive_power_off; + + platform_add_devices(jive_devices, ARRAY_SIZE(jive_devices)); +} + +MACHINE_START(JIVE, "JIVE") + /* Maintainer: Ben Dooks <ben-linux@fluff.org> */ + .atag_offset = 0x100, + + .init_irq = s3c2412_init_irq, + .map_io = jive_map_io, + .init_machine = jive_machine_init, + .init_time = jive_init_time, + .restart = s3c2412_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-mini2440.c b/arch/arm/mach-s3c24xx/mach-mini2440.c new file mode 100644 index 00000000000..5cc40ec1d25 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-mini2440.c @@ -0,0 +1,699 @@ +/* linux/arch/arm/mach-s3c2440/mach-mini2440.c + * + * Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com> + * Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk> + * and modifications by SBZ <sbz@spgui.org> and + * Weibing <http://weibing.blogbus.com> and + * Michel Pollet <buserror@gmail.com> + * + * For product information, visit http://code.google.com/p/mini2440/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/input.h> +#include <linux/io.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/dm9000.h> +#include <linux/platform_data/at24.h> +#include <linux/platform_device.h> +#include <linux/gpio_keys.h> +#include <linux/i2c.h> +#include <linux/mmc/host.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <mach/hardware.h> +#include <mach/fb.h> +#include <asm/mach-types.h> + +#include <mach/regs-gpio.h> +#include <linux/platform_data/leds-s3c24xx.h> +#include <mach/regs-lcd.h> +#include <mach/irqs.h> +#include <mach/gpio-samsung.h> +#include <linux/platform_data/mtd-nand-s3c2410.h> +#include <linux/platform_data/i2c-s3c2410.h> +#include <linux/platform_data/mmc-s3cmci.h> +#include <linux/platform_data/usb-s3c2410_udc.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/nand_ecc.h> +#include <linux/mtd/partitions.h> + +#include <plat/gpio-cfg.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/samsung-time.h> + +#include <sound/s3c24xx_uda134x.h> + +#include "common.h" + +#define MACH_MINI2440_DM9K_BASE (S3C2410_CS4 + 0x300) + +static struct map_desc mini2440_iodesc[] __initdata = { + /* nothing to declare, move along */ +}; + +#define UCON S3C2410_UCON_DEFAULT +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE + + +static struct s3c2410_uartcfg mini2440_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, +}; + +/* USB device UDC support */ + +static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = { + .pullup_pin = S3C2410_GPC(5), +}; + + +/* LCD timing and setup */ + +/* + * This macro simplifies the table bellow + */ +#define _LCD_DECLARE(_clock,_xres,margin_left,margin_right,hsync, \ + _yres,margin_top,margin_bottom,vsync, refresh) \ + .width = _xres, \ + .xres = _xres, \ + .height = _yres, \ + .yres = _yres, \ + .left_margin = margin_left, \ + .right_margin = margin_right, \ + .upper_margin = margin_top, \ + .lower_margin = margin_bottom, \ + .hsync_len = hsync, \ + .vsync_len = vsync, \ + .pixclock = ((_clock*100000000000LL) / \ + ((refresh) * \ + (hsync + margin_left + _xres + margin_right) * \ + (vsync + margin_top + _yres + margin_bottom))), \ + .bpp = 16,\ + .type = (S3C2410_LCDCON1_TFT16BPP |\ + S3C2410_LCDCON1_TFT) + +static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = { + [0] = { /* mini2440 + 3.5" TFT + touchscreen */ + _LCD_DECLARE( + 7, /* The 3.5 is quite fast */ + 240, 21, 38, 6, /* x timing */ + 320, 4, 4, 2, /* y timing */ + 60), /* refresh rate */ + .lcdcon5 = (S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_INVVFRAME | + S3C2410_LCDCON5_INVVDEN | + S3C2410_LCDCON5_PWREN), + }, + [1] = { /* mini2440 + 7" TFT + touchscreen */ + _LCD_DECLARE( + 10, /* the 7" runs slower */ + 800, 40, 40, 48, /* x timing */ + 480, 29, 3, 3, /* y timing */ + 50), /* refresh rate */ + .lcdcon5 = (S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_INVVFRAME | + S3C2410_LCDCON5_PWREN), + }, + /* The VGA shield can outout at several resolutions. All share + * the same timings, however, anything smaller than 1024x768 + * will only be displayed in the top left corner of a 1024x768 + * XGA output unless you add optional dip switches to the shield. + * Therefore timings for other resolutions have been omitted here. + */ + [2] = { + _LCD_DECLARE( + 10, + 1024, 1, 2, 2, /* y timing */ + 768, 200, 16, 16, /* x timing */ + 24), /* refresh rate, maximum stable, + tested with the FPGA shield */ + .lcdcon5 = (S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_HWSWP), + }, + /* mini2440 + 3.5" TFT (LCD-W35i, LQ035Q1DG06 type) + touchscreen*/ + [3] = { + _LCD_DECLARE( + /* clock */ + 7, + /* xres, margin_right, margin_left, hsync */ + 320, 68, 66, 4, + /* yres, margin_top, margin_bottom, vsync */ + 240, 4, 4, 9, + /* refresh rate */ + 60), + .lcdcon5 = (S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_INVVDEN | + S3C2410_LCDCON5_INVVFRAME | + S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_INVVCLK | + S3C2410_LCDCON5_HWSWP), + }, +}; + +/* todo - put into gpio header */ + +#define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2)) +#define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2)) + +static struct s3c2410fb_mach_info mini2440_fb_info __initdata = { + .displays = &mini2440_lcd_cfg[0], /* not constant! see init */ + .num_displays = 1, + .default_display = 0, + + /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN + * and disable the pull down resistors on pins we are using for LCD + * data. */ + + .gpcup = (0xf << 1) | (0x3f << 10), + + .gpccon = (S3C2410_GPC1_VCLK | S3C2410_GPC2_VLINE | + S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM | + S3C2410_GPC10_VD2 | S3C2410_GPC11_VD3 | + S3C2410_GPC12_VD4 | S3C2410_GPC13_VD5 | + S3C2410_GPC14_VD6 | S3C2410_GPC15_VD7), + + .gpccon_mask = (S3C2410_GPCCON_MASK(1) | S3C2410_GPCCON_MASK(2) | + S3C2410_GPCCON_MASK(3) | S3C2410_GPCCON_MASK(4) | + S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) | + S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) | + S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)), + + .gpdup = (0x3f << 2) | (0x3f << 10), + + .gpdcon = (S3C2410_GPD2_VD10 | S3C2410_GPD3_VD11 | + S3C2410_GPD4_VD12 | S3C2410_GPD5_VD13 | + S3C2410_GPD6_VD14 | S3C2410_GPD7_VD15 | + S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 | + S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 | + S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23), + + .gpdcon_mask = (S3C2410_GPDCON_MASK(2) | S3C2410_GPDCON_MASK(3) | + S3C2410_GPDCON_MASK(4) | S3C2410_GPDCON_MASK(5) | + S3C2410_GPDCON_MASK(6) | S3C2410_GPDCON_MASK(7) | + S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)| + S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)| + S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)), +}; + +/* MMC/SD */ + +static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = { + .gpio_detect = S3C2410_GPG(8), + .gpio_wprotect = S3C2410_GPH(8), + .set_power = NULL, + .ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34, +}; + +/* NAND Flash on MINI2440 board */ + +static struct mtd_partition mini2440_default_nand_part[] __initdata = { + [0] = { + .name = "u-boot", + .size = SZ_256K, + .offset = 0, + }, + [1] = { + .name = "u-boot-env", + .size = SZ_128K, + .offset = SZ_256K, + }, + [2] = { + .name = "kernel", + /* 5 megabytes, for a kernel with no modules + * or a uImage with a ramdisk attached */ + .size = 0x00500000, + .offset = SZ_256K + SZ_128K, + }, + [3] = { + .name = "root", + .offset = SZ_256K + SZ_128K + 0x00500000, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct s3c2410_nand_set mini2440_nand_sets[] __initdata = { + [0] = { + .name = "nand", + .nr_chips = 1, + .nr_partitions = ARRAY_SIZE(mini2440_default_nand_part), + .partitions = mini2440_default_nand_part, + .flash_bbt = 1, /* we use u-boot to create a BBT */ + }, +}; + +static struct s3c2410_platform_nand mini2440_nand_info __initdata = { + .tacls = 0, + .twrph0 = 25, + .twrph1 = 15, + .nr_sets = ARRAY_SIZE(mini2440_nand_sets), + .sets = mini2440_nand_sets, + .ignore_unset_ecc = 1, +}; + +/* DM9000AEP 10/100 ethernet controller */ + +static struct resource mini2440_dm9k_resource[] = { + [0] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE, 4), + [1] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE + 4, 4), + [2] = DEFINE_RES_NAMED(IRQ_EINT7, 1, NULL, IORESOURCE_IRQ \ + | IORESOURCE_IRQ_HIGHEDGE), +}; + +/* + * The DM9000 has no eeprom, and it's MAC address is set by + * the bootloader before starting the kernel. + */ +static struct dm9000_plat_data mini2440_dm9k_pdata = { + .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM), +}; + +static struct platform_device mini2440_device_eth = { + .name = "dm9000", + .id = -1, + .num_resources = ARRAY_SIZE(mini2440_dm9k_resource), + .resource = mini2440_dm9k_resource, + .dev = { + .platform_data = &mini2440_dm9k_pdata, + }, +}; + +/* CON5 + * +--+ /-----\ + * | | | | + * | | | BAT | + * | | \_____/ + * | | + * | | +----+ +----+ + * | | | K5 | | K1 | + * | | +----+ +----+ + * | | +----+ +----+ + * | | | K4 | | K2 | + * | | +----+ +----+ + * | | +----+ +----+ + * | | | K6 | | K3 | + * | | +----+ +----+ + * ..... + */ +static struct gpio_keys_button mini2440_buttons[] = { + { + .gpio = S3C2410_GPG(0), /* K1 */ + .code = KEY_F1, + .desc = "Button 1", + .active_low = 1, + }, + { + .gpio = S3C2410_GPG(3), /* K2 */ + .code = KEY_F2, + .desc = "Button 2", + .active_low = 1, + }, + { + .gpio = S3C2410_GPG(5), /* K3 */ + .code = KEY_F3, + .desc = "Button 3", + .active_low = 1, + }, + { + .gpio = S3C2410_GPG(6), /* K4 */ + .code = KEY_POWER, + .desc = "Power", + .active_low = 1, + }, + { + .gpio = S3C2410_GPG(7), /* K5 */ + .code = KEY_F5, + .desc = "Button 5", + .active_low = 1, + }, +#if 0 + /* this pin is also known as TCLK1 and seems to already + * marked as "in use" somehow in the kernel -- possibly wrongly */ + { + .gpio = S3C2410_GPG(11), /* K6 */ + .code = KEY_F6, + .desc = "Button 6", + .active_low = 1, + }, +#endif +}; + +static struct gpio_keys_platform_data mini2440_button_data = { + .buttons = mini2440_buttons, + .nbuttons = ARRAY_SIZE(mini2440_buttons), +}; + +static struct platform_device mini2440_button_device = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &mini2440_button_data, + } +}; + +/* LEDS */ + +static struct s3c24xx_led_platdata mini2440_led1_pdata = { + .name = "led1", + .gpio = S3C2410_GPB(5), + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, + .def_trigger = "heartbeat", +}; + +static struct s3c24xx_led_platdata mini2440_led2_pdata = { + .name = "led2", + .gpio = S3C2410_GPB(6), + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, + .def_trigger = "nand-disk", +}; + +static struct s3c24xx_led_platdata mini2440_led3_pdata = { + .name = "led3", + .gpio = S3C2410_GPB(7), + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, + .def_trigger = "mmc0", +}; + +static struct s3c24xx_led_platdata mini2440_led4_pdata = { + .name = "led4", + .gpio = S3C2410_GPB(8), + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, + .def_trigger = "", +}; + +static struct s3c24xx_led_platdata mini2440_led_backlight_pdata = { + .name = "backlight", + .gpio = S3C2410_GPG(4), + .def_trigger = "backlight", +}; + +static struct platform_device mini2440_led1 = { + .name = "s3c24xx_led", + .id = 1, + .dev = { + .platform_data = &mini2440_led1_pdata, + }, +}; + +static struct platform_device mini2440_led2 = { + .name = "s3c24xx_led", + .id = 2, + .dev = { + .platform_data = &mini2440_led2_pdata, + }, +}; + +static struct platform_device mini2440_led3 = { + .name = "s3c24xx_led", + .id = 3, + .dev = { + .platform_data = &mini2440_led3_pdata, + }, +}; + +static struct platform_device mini2440_led4 = { + .name = "s3c24xx_led", + .id = 4, + .dev = { + .platform_data = &mini2440_led4_pdata, + }, +}; + +static struct platform_device mini2440_led_backlight = { + .name = "s3c24xx_led", + .id = 5, + .dev = { + .platform_data = &mini2440_led_backlight_pdata, + }, +}; + +/* AUDIO */ + +static struct s3c24xx_uda134x_platform_data mini2440_audio_pins = { + .l3_clk = S3C2410_GPB(4), + .l3_mode = S3C2410_GPB(2), + .l3_data = S3C2410_GPB(3), + .model = UDA134X_UDA1341 +}; + +static struct platform_device mini2440_audio = { + .name = "s3c24xx_uda134x", + .id = 0, + .dev = { + .platform_data = &mini2440_audio_pins, + }, +}; + +/* + * I2C devices + */ +static struct at24_platform_data at24c08 = { + .byte_len = SZ_8K / 8, + .page_size = 16, +}; + +static struct i2c_board_info mini2440_i2c_devs[] __initdata = { + { + I2C_BOARD_INFO("24c08", 0x50), + .platform_data = &at24c08, + }, +}; + +static struct platform_device uda1340_codec = { + .name = "uda134x-codec", + .id = -1, +}; + +static struct platform_device *mini2440_devices[] __initdata = { + &s3c_device_ohci, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_rtc, + &s3c_device_usbgadget, + &mini2440_device_eth, + &mini2440_led1, + &mini2440_led2, + &mini2440_led3, + &mini2440_led4, + &mini2440_button_device, + &s3c_device_nand, + &s3c_device_sdi, + &s3c_device_iis, + &uda1340_codec, + &mini2440_audio, +}; + +static void __init mini2440_map_io(void) +{ + s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc)); + s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init mini2440_init_time(void) +{ + s3c2440_init_clocks(12000000); + samsung_timer_init(); +} + +/* + * mini2440_features string + * + * t = Touchscreen present + * b = backlight control + * c = camera [TODO] + * 0-9 LCD configuration + * + */ +static char mini2440_features_str[12] __initdata = "0tb"; + +static int __init mini2440_features_setup(char *str) +{ + if (str) + strlcpy(mini2440_features_str, str, sizeof(mini2440_features_str)); + return 1; +} + +__setup("mini2440=", mini2440_features_setup); + +#define FEATURE_SCREEN (1 << 0) +#define FEATURE_BACKLIGHT (1 << 1) +#define FEATURE_TOUCH (1 << 2) +#define FEATURE_CAMERA (1 << 3) + +struct mini2440_features_t { + int count; + int done; + int lcd_index; + struct platform_device *optional[8]; +}; + +static void __init mini2440_parse_features( + struct mini2440_features_t * features, + const char * features_str ) +{ + const char * fp = features_str; + + features->count = 0; + features->done = 0; + features->lcd_index = -1; + + while (*fp) { + char f = *fp++; + + switch (f) { + case '0'...'9': /* tft screen */ + if (features->done & FEATURE_SCREEN) { + printk(KERN_INFO "MINI2440: '%c' ignored, " + "screen type already set\n", f); + } else { + int li = f - '0'; + if (li >= ARRAY_SIZE(mini2440_lcd_cfg)) + printk(KERN_INFO "MINI2440: " + "'%c' out of range LCD mode\n", f); + else { + features->optional[features->count++] = + &s3c_device_lcd; + features->lcd_index = li; + } + } + features->done |= FEATURE_SCREEN; + break; + case 'b': + if (features->done & FEATURE_BACKLIGHT) + printk(KERN_INFO "MINI2440: '%c' ignored, " + "backlight already set\n", f); + else { + features->optional[features->count++] = + &mini2440_led_backlight; + } + features->done |= FEATURE_BACKLIGHT; + break; + case 't': + printk(KERN_INFO "MINI2440: '%c' ignored, " + "touchscreen not compiled in\n", f); + break; + case 'c': + if (features->done & FEATURE_CAMERA) + printk(KERN_INFO "MINI2440: '%c' ignored, " + "camera already registered\n", f); + else + features->optional[features->count++] = + &s3c_device_camif; + features->done |= FEATURE_CAMERA; + break; + } + } +} + +static void __init mini2440_init(void) +{ + struct mini2440_features_t features = { 0 }; + int i; + + printk(KERN_INFO "MINI2440: Option string mini2440=%s\n", + mini2440_features_str); + + /* Parse the feature string */ + mini2440_parse_features(&features, mini2440_features_str); + + /* turn LCD on */ + s3c_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND); + + /* Turn the backlight early on */ + WARN_ON(gpio_request_one(S3C2410_GPG(4), GPIOF_OUT_INIT_HIGH, NULL)); + gpio_free(S3C2410_GPG(4)); + + /* remove pullup on optional PWM backlight -- unused on 3.5 and 7"s */ + gpio_request_one(S3C2410_GPB(1), GPIOF_IN, NULL); + s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_UP); + gpio_free(S3C2410_GPB(1)); + + /* mark the key as input, without pullups (there is one on the board) */ + for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) { + s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT); + } + if (features.lcd_index != -1) { + int li; + + mini2440_fb_info.displays = + &mini2440_lcd_cfg[features.lcd_index]; + + printk(KERN_INFO "MINI2440: LCD"); + for (li = 0; li < ARRAY_SIZE(mini2440_lcd_cfg); li++) + if (li == features.lcd_index) + printk(" [%d:%dx%d]", li, + mini2440_lcd_cfg[li].width, + mini2440_lcd_cfg[li].height); + else + printk(" %d:%dx%d", li, + mini2440_lcd_cfg[li].width, + mini2440_lcd_cfg[li].height); + printk("\n"); + s3c24xx_fb_set_platdata(&mini2440_fb_info); + } + + s3c24xx_udc_set_platdata(&mini2440_udc_cfg); + s3c24xx_mci_set_platdata(&mini2440_mmc_cfg); + s3c_nand_set_platdata(&mini2440_nand_info); + s3c_i2c0_set_platdata(NULL); + + i2c_register_board_info(0, mini2440_i2c_devs, + ARRAY_SIZE(mini2440_i2c_devs)); + + platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices)); + + if (features.count) /* the optional features */ + platform_add_devices(features.optional, features.count); + +} + + +MACHINE_START(MINI2440, "MINI2440") + /* Maintainer: Michel Pollet <buserror@gmail.com> */ + .atag_offset = 0x100, + .map_io = mini2440_map_io, + .init_machine = mini2440_init, + .init_irq = s3c2440_init_irq, + .init_time = mini2440_init_time, + .restart = s3c244x_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-n30.c b/arch/arm/mach-s3c24xx/mach-n30.c new file mode 100644 index 00000000000..3ac2a54348d --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-n30.c @@ -0,0 +1,614 @@ +/* Machine specific code for the Acer n30, Acer N35, Navman PiN 570, + * Yakumo AlphaX and Airis NC05 PDAs. + * + * Copyright (c) 2003-2005 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Copyright (c) 2005-2008 Christer Weinigel <christer@weinigel.se> + * + * There is a wiki with more information about the n30 port at + * http://handhelds.org/moin/moin.cgi/AcerN30Documentation . + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/types.h> + +#include <linux/gpio_keys.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/timer.h> +#include <linux/io.h> +#include <linux/mmc/host.h> + +#include <mach/hardware.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <mach/fb.h> +#include <linux/platform_data/leds-s3c24xx.h> +#include <mach/regs-gpio.h> +#include <mach/regs-lcd.h> +#include <mach/gpio-samsung.h> + +#include <asm/mach/arch.h> +#include <asm/mach/irq.h> +#include <asm/mach/map.h> + +#include <linux/platform_data/i2c-s3c2410.h> + +#include <plat/cpu.h> +#include <plat/devs.h> +#include <linux/platform_data/mmc-s3cmci.h> +#include <linux/platform_data/usb-s3c2410_udc.h> +#include <plat/samsung-time.h> + +#include "common.h" + +static struct map_desc n30_iodesc[] __initdata = { + /* nothing here yet */ +}; + +static struct s3c2410_uartcfg n30_uartcfgs[] = { + /* Normal serial port */ + [0] = { + .hwport = 0, + .flags = 0, + .ucon = 0x2c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, + /* IR port */ + [1] = { + .hwport = 1, + .flags = 0, + .uart_flags = UPF_CONS_FLOW, + .ucon = 0x2c5, + .ulcon = 0x43, + .ufcon = 0x51, + }, + /* On the N30 the bluetooth controller is connected here. + * On the N35 and variants the GPS receiver is connected here. */ + [2] = { + .hwport = 2, + .flags = 0, + .ucon = 0x2c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, +}; + +static struct s3c2410_udc_mach_info n30_udc_cfg __initdata = { + .vbus_pin = S3C2410_GPG(1), + .vbus_pin_inverted = 0, + .pullup_pin = S3C2410_GPB(3), +}; + +static struct gpio_keys_button n30_buttons[] = { + { + .gpio = S3C2410_GPF(0), + .code = KEY_POWER, + .desc = "Power", + .active_low = 0, + }, + { + .gpio = S3C2410_GPG(9), + .code = KEY_UP, + .desc = "Thumbwheel Up", + .active_low = 0, + }, + { + .gpio = S3C2410_GPG(8), + .code = KEY_DOWN, + .desc = "Thumbwheel Down", + .active_low = 0, + }, + { + .gpio = S3C2410_GPG(7), + .code = KEY_ENTER, + .desc = "Thumbwheel Press", + .active_low = 0, + }, + { + .gpio = S3C2410_GPF(7), + .code = KEY_HOMEPAGE, + .desc = "Home", + .active_low = 0, + }, + { + .gpio = S3C2410_GPF(6), + .code = KEY_CALENDAR, + .desc = "Calendar", + .active_low = 0, + }, + { + .gpio = S3C2410_GPF(5), + .code = KEY_ADDRESSBOOK, + .desc = "Contacts", + .active_low = 0, + }, + { + .gpio = S3C2410_GPF(4), + .code = KEY_MAIL, + .desc = "Mail", + .active_low = 0, + }, +}; + +static struct gpio_keys_platform_data n30_button_data = { + .buttons = n30_buttons, + .nbuttons = ARRAY_SIZE(n30_buttons), +}; + +static struct platform_device n30_button_device = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &n30_button_data, + } +}; + +static struct gpio_keys_button n35_buttons[] = { + { + .gpio = S3C2410_GPF(0), + .code = KEY_POWER, + .type = EV_PWR, + .desc = "Power", + .active_low = 0, + .wakeup = 1, + }, + { + .gpio = S3C2410_GPG(9), + .code = KEY_UP, + .desc = "Joystick Up", + .active_low = 0, + }, + { + .gpio = S3C2410_GPG(8), + .code = KEY_DOWN, + .desc = "Joystick Down", + .active_low = 0, + }, + { + .gpio = S3C2410_GPG(6), + .code = KEY_DOWN, + .desc = "Joystick Left", + .active_low = 0, + }, + { + .gpio = S3C2410_GPG(5), + .code = KEY_DOWN, + .desc = "Joystick Right", + .active_low = 0, + }, + { + .gpio = S3C2410_GPG(7), + .code = KEY_ENTER, + .desc = "Joystick Press", + .active_low = 0, + }, + { + .gpio = S3C2410_GPF(7), + .code = KEY_HOMEPAGE, + .desc = "Home", + .active_low = 0, + }, + { + .gpio = S3C2410_GPF(6), + .code = KEY_CALENDAR, + .desc = "Calendar", + .active_low = 0, + }, + { + .gpio = S3C2410_GPF(5), + .code = KEY_ADDRESSBOOK, + .desc = "Contacts", + .active_low = 0, + }, + { + .gpio = S3C2410_GPF(4), + .code = KEY_MAIL, + .desc = "Mail", + .active_low = 0, + }, + { + .gpio = S3C2410_GPF(3), + .code = SW_RADIO, + .desc = "GPS Antenna", + .active_low = 0, + }, + { + .gpio = S3C2410_GPG(2), + .code = SW_HEADPHONE_INSERT, + .desc = "Headphone", + .active_low = 0, + }, +}; + +static struct gpio_keys_platform_data n35_button_data = { + .buttons = n35_buttons, + .nbuttons = ARRAY_SIZE(n35_buttons), +}; + +static struct platform_device n35_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &n35_button_data, + } +}; + +/* This is the bluetooth LED on the device. */ +static struct s3c24xx_led_platdata n30_blue_led_pdata = { + .name = "blue_led", + .gpio = S3C2410_GPG(6), + .def_trigger = "", +}; + +/* This is the blue LED on the device. Originally used to indicate GPS activity + * by flashing. */ +static struct s3c24xx_led_platdata n35_blue_led_pdata = { + .name = "blue_led", + .gpio = S3C2410_GPD(8), + .def_trigger = "", +}; + +/* This LED is driven by the battery microcontroller, and is blinking + * red, blinking green or solid green when the battery is low, + * charging or full respectively. By driving GPD9 low, it's possible + * to force the LED to blink red, so call that warning LED. */ +static struct s3c24xx_led_platdata n30_warning_led_pdata = { + .name = "warning_led", + .flags = S3C24XX_LEDF_ACTLOW, + .gpio = S3C2410_GPD(9), + .def_trigger = "", +}; + +static struct s3c24xx_led_platdata n35_warning_led_pdata = { + .name = "warning_led", + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, + .gpio = S3C2410_GPD(9), + .def_trigger = "", +}; + +static struct platform_device n30_blue_led = { + .name = "s3c24xx_led", + .id = 1, + .dev = { + .platform_data = &n30_blue_led_pdata, + }, +}; + +static struct platform_device n35_blue_led = { + .name = "s3c24xx_led", + .id = 1, + .dev = { + .platform_data = &n35_blue_led_pdata, + }, +}; + +static struct platform_device n30_warning_led = { + .name = "s3c24xx_led", + .id = 2, + .dev = { + .platform_data = &n30_warning_led_pdata, + }, +}; + +static struct platform_device n35_warning_led = { + .name = "s3c24xx_led", + .id = 2, + .dev = { + .platform_data = &n35_warning_led_pdata, + }, +}; + +static struct s3c2410fb_display n30_display __initdata = { + .type = S3C2410_LCDCON1_TFT, + .width = 240, + .height = 320, + .pixclock = 170000, + + .xres = 240, + .yres = 320, + .bpp = 16, + .left_margin = 3, + .right_margin = 40, + .hsync_len = 40, + .upper_margin = 2, + .lower_margin = 3, + .vsync_len = 2, + + .lcdcon5 = S3C2410_LCDCON5_INVVLINE | S3C2410_LCDCON5_INVVFRAME, +}; + +static struct s3c2410fb_mach_info n30_fb_info __initdata = { + .displays = &n30_display, + .num_displays = 1, + .default_display = 0, + .lpcsel = 0x06, +}; + +static void n30_sdi_set_power(unsigned char power_mode, unsigned short vdd) +{ + switch (power_mode) { + case MMC_POWER_ON: + case MMC_POWER_UP: + gpio_set_value(S3C2410_GPG(4), 1); + break; + case MMC_POWER_OFF: + default: + gpio_set_value(S3C2410_GPG(4), 0); + break; + } +} + +static struct s3c24xx_mci_pdata n30_mci_cfg __initdata = { + .gpio_detect = S3C2410_GPF(1), + .gpio_wprotect = S3C2410_GPG(10), + .ocr_avail = MMC_VDD_32_33, + .set_power = n30_sdi_set_power, +}; + +static struct platform_device *n30_devices[] __initdata = { + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_iis, + &s3c_device_ohci, + &s3c_device_rtc, + &s3c_device_usbgadget, + &s3c_device_sdi, + &n30_button_device, + &n30_blue_led, + &n30_warning_led, +}; + +static struct platform_device *n35_devices[] __initdata = { + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_iis, + &s3c_device_rtc, + &s3c_device_usbgadget, + &s3c_device_sdi, + &n35_button_device, + &n35_blue_led, + &n35_warning_led, +}; + +static struct s3c2410_platform_i2c __initdata n30_i2ccfg = { + .flags = 0, + .slave_addr = 0x10, + .frequency = 10*1000, +}; + +/* Lots of hardcoded stuff, but it sets up the hardware in a useful + * state so that we can boot Linux directly from flash. */ +static void __init n30_hwinit(void) +{ + /* GPA0-11 special functions -- unknown what they do + * GPA12 N30 special function -- unknown what it does + * N35/PiN output -- unknown what it does + * + * A12 is nGCS1 on the N30 and an output on the N35/PiN. I + * don't think it does anything useful on the N30, so I ought + * to make it an output there too since it always driven to 0 + * as far as I can tell. */ + if (machine_is_n30()) + __raw_writel(0x007fffff, S3C2410_GPACON); + if (machine_is_n35()) + __raw_writel(0x007fefff, S3C2410_GPACON); + __raw_writel(0x00000000, S3C2410_GPADAT); + + /* GPB0 TOUT0 backlight level + * GPB1 output 1=backlight on + * GPB2 output IrDA enable 0=transceiver enabled, 1=disabled + * GPB3 output USB D+ pull up 0=disabled, 1=enabled + * GPB4 N30 output -- unknown function + * N30/PiN GPS control 0=GPS enabled, 1=GPS disabled + * GPB5 output -- unknown function + * GPB6 input -- unknown function + * GPB7 output -- unknown function + * GPB8 output -- probably LCD driver enable + * GPB9 output -- probably LCD VSYNC driver enable + * GPB10 output -- probably LCD HSYNC driver enable + */ + __raw_writel(0x00154556, S3C2410_GPBCON); + __raw_writel(0x00000750, S3C2410_GPBDAT); + __raw_writel(0x00000073, S3C2410_GPBUP); + + /* GPC0 input RS232 DCD/DSR/RI + * GPC1 LCD + * GPC2 output RS232 DTR? + * GPC3 input RS232 DCD/DSR/RI + * GPC4 LCD + * GPC5 output 0=NAND write enabled, 1=NAND write protect + * GPC6 input -- unknown function + * GPC7 input charger status 0=charger connected + * this input can be triggered by power on the USB device + * port too, but will go back to disconnected soon after. + * GPC8 N30/N35 output -- unknown function, always driven to 1 + * PiN input -- unknown function, always read as 1 + * Make it an input with a pull up for all models. + * GPC9-15 LCD + */ + __raw_writel(0xaaa80618, S3C2410_GPCCON); + __raw_writel(0x0000014c, S3C2410_GPCDAT); + __raw_writel(0x0000fef2, S3C2410_GPCUP); + + /* GPD0 input -- unknown function + * GPD1-D7 LCD + * GPD8 N30 output -- unknown function + * N35/PiN output 1=GPS LED on + * GPD9 output 0=power led blinks red, 1=normal power led function + * GPD10 output -- unknown function + * GPD11-15 LCD drivers + */ + __raw_writel(0xaa95aaa4, S3C2410_GPDCON); + __raw_writel(0x00000601, S3C2410_GPDDAT); + __raw_writel(0x0000fbfe, S3C2410_GPDUP); + + /* GPE0-4 I2S audio bus + * GPE5-10 SD/MMC bus + * E11-13 outputs -- unknown function, probably power management + * E14-15 I2C bus connected to the battery controller + */ + __raw_writel(0xa56aaaaa, S3C2410_GPECON); + __raw_writel(0x0000efc5, S3C2410_GPEDAT); + __raw_writel(0x0000f81f, S3C2410_GPEUP); + + /* GPF0 input 0=power button pressed + * GPF1 input SD/MMC switch 0=card present + * GPF2 N30 1=reset button pressed (inverted compared to the rest) + * N35/PiN 0=reset button pressed + * GPF3 N30/PiN input -- unknown function + * N35 input GPS antenna position, 0=antenna closed, 1=open + * GPF4 input 0=button 4 pressed + * GPF5 input 0=button 3 pressed + * GPF6 input 0=button 2 pressed + * GPF7 input 0=button 1 pressed + */ + __raw_writel(0x0000aaaa, S3C2410_GPFCON); + __raw_writel(0x00000000, S3C2410_GPFDAT); + __raw_writel(0x000000ff, S3C2410_GPFUP); + + /* GPG0 input RS232 DCD/DSR/RI + * GPG1 input 1=USB gadget port has power from a host + * GPG2 N30 input -- unknown function + * N35/PiN input 0=headphones plugged in, 1=not plugged in + * GPG3 N30 output -- unknown function + * N35/PiN input with unknown function + * GPG4 N30 output 0=MMC enabled, 1=MMC disabled + * GPG5 N30 output 0=BlueTooth chip disabled, 1=enabled + * N35/PiN input joystick right + * GPG6 N30 output 0=blue led on, 1=off + * N35/PiN input joystick left + * GPG7 input 0=thumbwheel pressed + * GPG8 input 0=thumbwheel down + * GPG9 input 0=thumbwheel up + * GPG10 input SD/MMC write protect switch + * GPG11 N30 input -- unknown function + * N35 output 0=GPS antenna powered, 1=not powered + * PiN output -- unknown function + * GPG12-15 touch screen functions + * + * The pullups differ between the models, so enable all + * pullups that are enabled on any of the models. + */ + if (machine_is_n30()) + __raw_writel(0xff0a956a, S3C2410_GPGCON); + if (machine_is_n35()) + __raw_writel(0xff4aa92a, S3C2410_GPGCON); + __raw_writel(0x0000e800, S3C2410_GPGDAT); + __raw_writel(0x0000f86f, S3C2410_GPGUP); + + /* GPH0/1/2/3 RS232 serial port + * GPH4/5 IrDA serial port + * GPH6/7 N30 BlueTooth serial port + * N35/PiN GPS receiver + * GPH8 input -- unknown function + * GPH9 CLKOUT0 HCLK -- unknown use + * GPH10 CLKOUT1 FCLK -- unknown use + * + * The pull ups for H6/H7 are enabled on N30 but not on the + * N35/PiN. I suppose is useful for a budget model of the N30 + * with no bluetooh. It doesn't hurt to have the pull ups + * enabled on the N35, so leave them enabled for all models. + */ + __raw_writel(0x0028aaaa, S3C2410_GPHCON); + __raw_writel(0x000005ef, S3C2410_GPHDAT); + __raw_writel(0x0000063f, S3C2410_GPHUP); +} + +static void __init n30_map_io(void) +{ + s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc)); + n30_hwinit(); + s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init n30_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + +/* GPB3 is the line that controls the pull-up for the USB D+ line */ + +static void __init n30_init(void) +{ + WARN_ON(gpio_request(S3C2410_GPG(4), "mmc power")); + + s3c24xx_fb_set_platdata(&n30_fb_info); + s3c24xx_udc_set_platdata(&n30_udc_cfg); + s3c24xx_mci_set_platdata(&n30_mci_cfg); + s3c_i2c0_set_platdata(&n30_i2ccfg); + + /* Turn off suspend on both USB ports, and switch the + * selectable USB port to USB device mode. */ + + s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST | + S3C2410_MISCCR_USBSUSPND0 | + S3C2410_MISCCR_USBSUSPND1, 0x0); + + if (machine_is_n30()) { + /* Turn off suspend on both USB ports, and switch the + * selectable USB port to USB device mode. */ + s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST | + S3C2410_MISCCR_USBSUSPND0 | + S3C2410_MISCCR_USBSUSPND1, 0x0); + + platform_add_devices(n30_devices, ARRAY_SIZE(n30_devices)); + } + + if (machine_is_n35()) { + /* Turn off suspend and switch the selectable USB port + * to USB device mode. Turn on suspend for the host + * port since it is not connected on the N35. + * + * Actually, the host port is available at some pads + * on the back of the device, so it would actually be + * possible to add a USB device inside the N35 if you + * are willing to do some hardware modifications. */ + s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST | + S3C2410_MISCCR_USBSUSPND0 | + S3C2410_MISCCR_USBSUSPND1, + S3C2410_MISCCR_USBSUSPND0); + + platform_add_devices(n35_devices, ARRAY_SIZE(n35_devices)); + } +} + +MACHINE_START(N30, "Acer-N30") + /* Maintainer: Christer Weinigel <christer@weinigel.se>, + Ben Dooks <ben-linux@fluff.org> + */ + .atag_offset = 0x100, + .init_time = n30_init_time, + .init_machine = n30_init, + .init_irq = s3c2410_init_irq, + .map_io = n30_map_io, + .restart = s3c2410_restart, +MACHINE_END + +MACHINE_START(N35, "Acer-N35") + /* Maintainer: Christer Weinigel <christer@weinigel.se> + */ + .atag_offset = 0x100, + .init_time = n30_init_time, + .init_machine = n30_init, + .init_irq = s3c2410_init_irq, + .map_io = n30_map_io, + .restart = s3c2410_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-nexcoder.c b/arch/arm/mach-s3c24xx/mach-nexcoder.c new file mode 100644 index 00000000000..c82c281ce35 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-nexcoder.c @@ -0,0 +1,163 @@ +/* linux/arch/arm/mach-s3c2440/mach-nexcoder.c + * + * Copyright (c) 2004 Nex Vision + * Guillaume GOURAT <guillaume.gourat@nexvision.tv> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Modifications: + * 15-10-2004 GG Created initial version + * 12-03-2005 BJD Updated for release + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/string.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/io.h> + +#include <linux/mtd/map.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/setup.h> +#include <mach/hardware.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +//#include <asm/debug-ll.h> +#include <mach/regs-gpio.h> +#include <mach/gpio-samsung.h> +#include <linux/platform_data/i2c-s3c2410.h> + +#include <plat/gpio-cfg.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/samsung-time.h> + +#include "common.h" + +static struct map_desc nexcoder_iodesc[] __initdata = { + /* nothing here yet */ +}; + +#define UCON S3C2410_UCON_DEFAULT +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + } +}; + +/* NOR Flash on NexVision NexCoder 2440 board */ + +static struct resource nexcoder_nor_resource[] = { + [0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_8M), +}; + +static struct map_info nexcoder_nor_map = { + .bankwidth = 2, +}; + +static struct platform_device nexcoder_device_nor = { + .name = "mtd-flash", + .id = -1, + .num_resources = ARRAY_SIZE(nexcoder_nor_resource), + .resource = nexcoder_nor_resource, + .dev = + { + .platform_data = &nexcoder_nor_map, + } +}; + +/* Standard Nexcoder devices */ + +static struct platform_device *nexcoder_devices[] __initdata = { + &s3c_device_ohci, + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_iis, + &s3c_device_rtc, + &s3c_device_camif, + &s3c_device_spi0, + &s3c_device_spi1, + &nexcoder_device_nor, +}; + +static void __init nexcoder_sensorboard_init(void) +{ + /* Initialize SCCB bus */ + gpio_request_one(S3C2410_GPE(14), GPIOF_OUT_INIT_HIGH, NULL); + gpio_free(S3C2410_GPE(14)); /* IICSCL */ + gpio_request_one(S3C2410_GPE(15), GPIOF_OUT_INIT_HIGH, NULL); + gpio_free(S3C2410_GPE(15)); /* IICSDA */ + + /* Power up the sensor board */ + gpio_request_one(S3C2410_GPF(1), GPIOF_OUT_INIT_HIGH, NULL); + gpio_free(S3C2410_GPF(1)); /* CAM_GPIO7 => nLDO_PWRDN */ + gpio_request_one(S3C2410_GPF(2), GPIOF_OUT_INIT_LOW, NULL); + gpio_free(S3C2410_GPF(2)); /* CAM_GPIO6 => CAM_PWRDN */ +} + +static void __init nexcoder_map_io(void) +{ + s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc)); + s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); + + nexcoder_sensorboard_init(); +} + +static void __init nexcoder_init_time(void) +{ + s3c2440_init_clocks(12000000); + samsung_timer_init(); +} + +static void __init nexcoder_init(void) +{ + s3c_i2c0_set_platdata(NULL); + platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices)); +}; + +MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440") + /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */ + .atag_offset = 0x100, + .map_io = nexcoder_map_io, + .init_machine = nexcoder_init, + .init_irq = s3c2440_init_irq, + .init_time = nexcoder_init_time, + .restart = s3c244x_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-osiris-dvs.c b/arch/arm/mach-s3c24xx/mach-osiris-dvs.c new file mode 100644 index 00000000000..33afb919009 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-osiris-dvs.c @@ -0,0 +1,184 @@ +/* linux/arch/arm/mach-s3c2440/mach-osiris-dvs.c + * + * Copyright (c) 2009 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * Simtec Osiris Dynamic Voltage Scaling support. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/cpufreq.h> +#include <linux/gpio.h> + +#include <linux/i2c/tps65010.h> + +#include <plat/cpu-freq.h> +#include <mach/gpio-samsung.h> + +#define OSIRIS_GPIO_DVS S3C2410_GPB(5) + +static bool dvs_en; + +static void osiris_dvs_tps_setdvs(bool on) +{ + unsigned vregs1 = 0, vdcdc2 = 0; + + if (!on) { + vdcdc2 = TPS_VCORE_DISCH | TPS_LP_COREOFF; + vregs1 = TPS_LDO1_OFF; /* turn off in low-power mode */ + } + + dvs_en = on; + vdcdc2 |= TPS_VCORE_1_3V | TPS_VCORE_LP_1_0V; + vregs1 |= TPS_LDO2_ENABLE | TPS_LDO1_ENABLE; + + tps65010_config_vregs1(vregs1); + tps65010_config_vdcdc2(vdcdc2); +} + +static bool is_dvs(struct s3c_freq *f) +{ + /* at the moment, we assume ARMCLK = HCLK => DVS */ + return f->armclk == f->hclk; +} + +/* keep track of current state */ +static bool cur_dvs = false; + +static int osiris_dvs_notify(struct notifier_block *nb, + unsigned long val, void *data) +{ + struct cpufreq_freqs *cf = data; + struct s3c_cpufreq_freqs *freqs = to_s3c_cpufreq(cf); + bool old_dvs = is_dvs(&freqs->old); + bool new_dvs = is_dvs(&freqs->new); + int ret = 0; + + if (!dvs_en) + return 0; + + printk(KERN_DEBUG "%s: old %ld,%ld new %ld,%ld\n", __func__, + freqs->old.armclk, freqs->old.hclk, + freqs->new.armclk, freqs->new.hclk); + + switch (val) { + case CPUFREQ_PRECHANGE: + if (old_dvs & !new_dvs || + cur_dvs & !new_dvs) { + pr_debug("%s: exiting dvs\n", __func__); + cur_dvs = false; + gpio_set_value(OSIRIS_GPIO_DVS, 1); + } + break; + case CPUFREQ_POSTCHANGE: + if (!old_dvs & new_dvs || + !cur_dvs & new_dvs) { + pr_debug("entering dvs\n"); + cur_dvs = true; + gpio_set_value(OSIRIS_GPIO_DVS, 0); + } + break; + } + + return ret; +} + +static struct notifier_block osiris_dvs_nb = { + .notifier_call = osiris_dvs_notify, +}; + +static int osiris_dvs_probe(struct platform_device *pdev) +{ + int ret; + + dev_info(&pdev->dev, "initialising\n"); + + ret = gpio_request(OSIRIS_GPIO_DVS, "osiris-dvs"); + if (ret) { + dev_err(&pdev->dev, "cannot claim gpio\n"); + goto err_nogpio; + } + + /* start with dvs disabled */ + gpio_direction_output(OSIRIS_GPIO_DVS, 1); + + ret = cpufreq_register_notifier(&osiris_dvs_nb, + CPUFREQ_TRANSITION_NOTIFIER); + if (ret) { + dev_err(&pdev->dev, "failed to register with cpufreq\n"); + goto err_nofreq; + } + + osiris_dvs_tps_setdvs(true); + + return 0; + +err_nofreq: + gpio_free(OSIRIS_GPIO_DVS); + +err_nogpio: + return ret; +} + +static int osiris_dvs_remove(struct platform_device *pdev) +{ + dev_info(&pdev->dev, "exiting\n"); + + /* disable any current dvs */ + gpio_set_value(OSIRIS_GPIO_DVS, 1); + osiris_dvs_tps_setdvs(false); + + cpufreq_unregister_notifier(&osiris_dvs_nb, + CPUFREQ_TRANSITION_NOTIFIER); + + gpio_free(OSIRIS_GPIO_DVS); + + return 0; +} + +/* the CONFIG_PM block is so small, it isn't worth actaully compiling it + * out if the configuration isn't set. */ + +static int osiris_dvs_suspend(struct device *dev) +{ + gpio_set_value(OSIRIS_GPIO_DVS, 1); + osiris_dvs_tps_setdvs(false); + cur_dvs = false; + + return 0; +} + +static int osiris_dvs_resume(struct device *dev) +{ + osiris_dvs_tps_setdvs(true); + return 0; +} + +static const struct dev_pm_ops osiris_dvs_pm = { + .suspend = osiris_dvs_suspend, + .resume = osiris_dvs_resume, +}; + +static struct platform_driver osiris_dvs_driver = { + .probe = osiris_dvs_probe, + .remove = osiris_dvs_remove, + .driver = { + .name = "osiris-dvs", + .owner = THIS_MODULE, + .pm = &osiris_dvs_pm, + }, +}; + +module_platform_driver(osiris_dvs_driver); + +MODULE_DESCRIPTION("Simtec OSIRIS DVS support"); +MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:osiris-dvs"); diff --git a/arch/arm/mach-s3c24xx/mach-osiris.c b/arch/arm/mach-s3c24xx/mach-osiris.c new file mode 100644 index 00000000000..189147b80ec --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-osiris.c @@ -0,0 +1,416 @@ +/* + * Copyright (c) 2005-2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/device.h> +#include <linux/syscore_ops.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/clk.h> +#include <linux/i2c.h> +#include <linux/io.h> +#include <linux/platform_device.h> + +#include <linux/i2c/tps65010.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> +#include <asm/irq.h> + +#include <linux/platform_data/mtd-nand-s3c2410.h> +#include <linux/platform_data/i2c-s3c2410.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/nand_ecc.h> +#include <linux/mtd/partitions.h> + +#include <plat/cpu.h> +#include <plat/cpu-freq.h> +#include <plat/devs.h> +#include <plat/gpio-cfg.h> +#include <plat/samsung-time.h> + +#include <mach/hardware.h> +#include <mach/regs-gpio.h> +#include <mach/regs-lcd.h> +#include <mach/gpio-samsung.h> + +#include "common.h" +#include "osiris.h" +#include "regs-mem.h" + +/* onboard perihperal map */ + +static struct map_desc osiris_iodesc[] __initdata = { + /* ISA IO areas (may be over-written later) */ + + { + .virtual = (u32)S3C24XX_VA_ISA_BYTE, + .pfn = __phys_to_pfn(S3C2410_CS5), + .length = SZ_16M, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_WORD, + .pfn = __phys_to_pfn(S3C2410_CS5), + .length = SZ_16M, + .type = MT_DEVICE, + }, + + /* CPLD control registers */ + + { + .virtual = (u32)OSIRIS_VA_CTRL0, + .pfn = __phys_to_pfn(OSIRIS_PA_CTRL0), + .length = SZ_16K, + .type = MT_DEVICE, + }, { + .virtual = (u32)OSIRIS_VA_CTRL1, + .pfn = __phys_to_pfn(OSIRIS_PA_CTRL1), + .length = SZ_16K, + .type = MT_DEVICE, + }, { + .virtual = (u32)OSIRIS_VA_CTRL2, + .pfn = __phys_to_pfn(OSIRIS_PA_CTRL2), + .length = SZ_16K, + .type = MT_DEVICE, + }, { + .virtual = (u32)OSIRIS_VA_IDREG, + .pfn = __phys_to_pfn(OSIRIS_PA_IDREG), + .length = SZ_16K, + .type = MT_DEVICE, + }, +}; + +#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg osiris_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2, + }, + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2, + } +}; + +/* NAND Flash on Osiris board */ + +static int external_map[] = { 2 }; +static int chip0_map[] = { 0 }; +static int chip1_map[] = { 1 }; + +static struct mtd_partition __initdata osiris_default_nand_part[] = { + [0] = { + .name = "Boot Agent", + .size = SZ_16K, + .offset = 0, + }, + [1] = { + .name = "/boot", + .size = SZ_4M - SZ_16K, + .offset = SZ_16K, + }, + [2] = { + .name = "user1", + .offset = SZ_4M, + .size = SZ_32M - SZ_4M, + }, + [3] = { + .name = "user2", + .offset = SZ_32M, + .size = MTDPART_SIZ_FULL, + } +}; + +static struct mtd_partition __initdata osiris_default_nand_part_large[] = { + [0] = { + .name = "Boot Agent", + .size = SZ_128K, + .offset = 0, + }, + [1] = { + .name = "/boot", + .size = SZ_4M - SZ_128K, + .offset = SZ_128K, + }, + [2] = { + .name = "user1", + .offset = SZ_4M, + .size = SZ_32M - SZ_4M, + }, + [3] = { + .name = "user2", + .offset = SZ_32M, + .size = MTDPART_SIZ_FULL, + } +}; + +/* the Osiris has 3 selectable slots for nand-flash, the two + * on-board chip areas, as well as the external slot. + * + * Note, there is no current hot-plug support for the External + * socket. +*/ + +static struct s3c2410_nand_set __initdata osiris_nand_sets[] = { + [1] = { + .name = "External", + .nr_chips = 1, + .nr_map = external_map, + .options = NAND_SCAN_SILENT_NODEV, + .nr_partitions = ARRAY_SIZE(osiris_default_nand_part), + .partitions = osiris_default_nand_part, + }, + [0] = { + .name = "chip0", + .nr_chips = 1, + .nr_map = chip0_map, + .nr_partitions = ARRAY_SIZE(osiris_default_nand_part), + .partitions = osiris_default_nand_part, + }, + [2] = { + .name = "chip1", + .nr_chips = 1, + .nr_map = chip1_map, + .options = NAND_SCAN_SILENT_NODEV, + .nr_partitions = ARRAY_SIZE(osiris_default_nand_part), + .partitions = osiris_default_nand_part, + }, +}; + +static void osiris_nand_select(struct s3c2410_nand_set *set, int slot) +{ + unsigned int tmp; + + slot = set->nr_map[slot] & 3; + + pr_debug("osiris_nand: selecting slot %d (set %p,%p)\n", + slot, set, set->nr_map); + + tmp = __raw_readb(OSIRIS_VA_CTRL0); + tmp &= ~OSIRIS_CTRL0_NANDSEL; + tmp |= slot; + + pr_debug("osiris_nand: ctrl0 now %02x\n", tmp); + + __raw_writeb(tmp, OSIRIS_VA_CTRL0); +} + +static struct s3c2410_platform_nand __initdata osiris_nand_info = { + .tacls = 25, + .twrph0 = 60, + .twrph1 = 60, + .nr_sets = ARRAY_SIZE(osiris_nand_sets), + .sets = osiris_nand_sets, + .select_chip = osiris_nand_select, +}; + +/* PCMCIA control and configuration */ + +static struct resource osiris_pcmcia_resource[] = { + [0] = DEFINE_RES_MEM(0x0f000000, SZ_1M), + [1] = DEFINE_RES_MEM(0x0c000000, SZ_1M), +}; + +static struct platform_device osiris_pcmcia = { + .name = "osiris-pcmcia", + .id = -1, + .num_resources = ARRAY_SIZE(osiris_pcmcia_resource), + .resource = osiris_pcmcia_resource, +}; + +/* Osiris power management device */ + +#ifdef CONFIG_PM +static unsigned char pm_osiris_ctrl0; + +static int osiris_pm_suspend(void) +{ + unsigned int tmp; + + pm_osiris_ctrl0 = __raw_readb(OSIRIS_VA_CTRL0); + tmp = pm_osiris_ctrl0 & ~OSIRIS_CTRL0_NANDSEL; + + /* ensure correct NAND slot is selected on resume */ + if ((pm_osiris_ctrl0 & OSIRIS_CTRL0_BOOT_INT) == 0) + tmp |= 2; + + __raw_writeb(tmp, OSIRIS_VA_CTRL0); + + /* ensure that an nRESET is not generated on resume. */ + gpio_request_one(S3C2410_GPA(21), GPIOF_OUT_INIT_HIGH, NULL); + gpio_free(S3C2410_GPA(21)); + + return 0; +} + +static void osiris_pm_resume(void) +{ + if (pm_osiris_ctrl0 & OSIRIS_CTRL0_FIX8) + __raw_writeb(OSIRIS_CTRL1_FIX8, OSIRIS_VA_CTRL1); + + __raw_writeb(pm_osiris_ctrl0, OSIRIS_VA_CTRL0); + + s3c_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT); +} + +#else +#define osiris_pm_suspend NULL +#define osiris_pm_resume NULL +#endif + +static struct syscore_ops osiris_pm_syscore_ops = { + .suspend = osiris_pm_suspend, + .resume = osiris_pm_resume, +}; + +/* Link for DVS driver to TPS65011 */ + +static void osiris_tps_release(struct device *dev) +{ + /* static device, do not need to release anything */ +} + +static struct platform_device osiris_tps_device = { + .name = "osiris-dvs", + .id = -1, + .dev.release = osiris_tps_release, +}; + +static int osiris_tps_setup(struct i2c_client *client, void *context) +{ + osiris_tps_device.dev.parent = &client->dev; + return platform_device_register(&osiris_tps_device); +} + +static int osiris_tps_remove(struct i2c_client *client, void *context) +{ + platform_device_unregister(&osiris_tps_device); + return 0; +} + +static struct tps65010_board osiris_tps_board = { + .base = -1, /* GPIO can go anywhere at the moment */ + .setup = osiris_tps_setup, + .teardown = osiris_tps_remove, +}; + +/* I2C devices fitted. */ + +static struct i2c_board_info osiris_i2c_devs[] __initdata = { + { + I2C_BOARD_INFO("tps65011", 0x48), + .irq = IRQ_EINT20, + .platform_data = &osiris_tps_board, + }, +}; + +/* Standard Osiris devices */ + +static struct platform_device *osiris_devices[] __initdata = { + &s3c2410_device_dclk, + &s3c_device_i2c0, + &s3c_device_wdt, + &s3c_device_nand, + &osiris_pcmcia, +}; + +static struct s3c_cpufreq_board __initdata osiris_cpufreq = { + .refresh = 7800, /* refresh period is 7.8usec */ + .auto_io = 1, + .need_io = 1, +}; + +static void __init osiris_map_io(void) +{ + unsigned long flags; + + s3c24xx_init_io(osiris_iodesc, ARRAY_SIZE(osiris_iodesc)); + s3c24xx_init_uarts(osiris_uartcfgs, ARRAY_SIZE(osiris_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); + + /* check for the newer revision boards with large page nand */ + + if ((__raw_readb(OSIRIS_VA_IDREG) & OSIRIS_ID_REVMASK) >= 4) { + printk(KERN_INFO "OSIRIS-B detected (revision %d)\n", + __raw_readb(OSIRIS_VA_IDREG) & OSIRIS_ID_REVMASK); + osiris_nand_sets[0].partitions = osiris_default_nand_part_large; + osiris_nand_sets[0].nr_partitions = ARRAY_SIZE(osiris_default_nand_part_large); + } else { + /* write-protect line to the NAND */ + gpio_request_one(S3C2410_GPA(0), GPIOF_OUT_INIT_HIGH, NULL); + gpio_free(S3C2410_GPA(0)); + } + + /* fix bus configuration (nBE settings wrong on ABLE pre v2.20) */ + + local_irq_save(flags); + __raw_writel(__raw_readl(S3C2410_BWSCON) | S3C2410_BWSCON_ST1 | S3C2410_BWSCON_ST2 | S3C2410_BWSCON_ST3 | S3C2410_BWSCON_ST4 | S3C2410_BWSCON_ST5, S3C2410_BWSCON); + local_irq_restore(flags); +} + +static void __init osiris_init_time(void) +{ + s3c2440_init_clocks(12000000); + samsung_timer_init(); +} + +static void __init osiris_init(void) +{ + register_syscore_ops(&osiris_pm_syscore_ops); + + s3c_i2c0_set_platdata(NULL); + s3c_nand_set_platdata(&osiris_nand_info); + + s3c_cpufreq_setboard(&osiris_cpufreq); + + i2c_register_board_info(0, osiris_i2c_devs, + ARRAY_SIZE(osiris_i2c_devs)); + + platform_add_devices(osiris_devices, ARRAY_SIZE(osiris_devices)); +}; + +MACHINE_START(OSIRIS, "Simtec-OSIRIS") + /* Maintainer: Ben Dooks <ben@simtec.co.uk> */ + .atag_offset = 0x100, + .map_io = osiris_map_io, + .init_irq = s3c2440_init_irq, + .init_machine = osiris_init, + .init_time = osiris_init_time, + .restart = s3c244x_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-otom.c b/arch/arm/mach-s3c24xx/mach-otom.c new file mode 100644 index 00000000000..45833001186 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-otom.c @@ -0,0 +1,126 @@ +/* + * + * Copyright (c) 2004 Nex Vision + * Guillaume GOURAT <guillaume.gourat@nexvision.fr> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/io.h> + +#include <linux/platform_data/i2c-s3c2410.h> + +#include <asm/irq.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <mach/regs-gpio.h> + +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/samsung-time.h> + +#include "common.h" +#include "otom.h" + +static struct map_desc otom11_iodesc[] __initdata = { + /* Device area */ + { (u32)OTOM_VA_CS8900A_BASE, OTOM_PA_CS8900A_BASE, SZ_16M, MT_DEVICE }, +}; + +#define UCON S3C2410_UCON_DEFAULT +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg otom11_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + /* port 2 is not actually used */ + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + } +}; + +/* NOR Flash on NexVision OTOM board */ + +static struct resource otom_nor_resource[] = { + [0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_4M), +}; + +static struct platform_device otom_device_nor = { + .name = "mtd-flash", + .id = -1, + .num_resources = ARRAY_SIZE(otom_nor_resource), + .resource = otom_nor_resource, +}; + +/* Standard OTOM devices */ + +static struct platform_device *otom11_devices[] __initdata = { + &s3c_device_ohci, + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_iis, + &s3c_device_rtc, + &otom_device_nor, +}; + +static void __init otom11_map_io(void) +{ + s3c24xx_init_io(otom11_iodesc, ARRAY_SIZE(otom11_iodesc)); + s3c24xx_init_uarts(otom11_uartcfgs, ARRAY_SIZE(otom11_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init otom11_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + +static void __init otom11_init(void) +{ + s3c_i2c0_set_platdata(NULL); + platform_add_devices(otom11_devices, ARRAY_SIZE(otom11_devices)); +} + +MACHINE_START(OTOM, "Nex Vision - Otom 1.1") + /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */ + .atag_offset = 0x100, + .map_io = otom11_map_io, + .init_machine = otom11_init, + .init_irq = s3c2410_init_irq, + .init_time = otom11_init_time, + .restart = s3c2410_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-qt2410.c b/arch/arm/mach-s3c24xx/mach-qt2410.c new file mode 100644 index 00000000000..228c9094519 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-qt2410.c @@ -0,0 +1,356 @@ +/* linux/arch/arm/mach-s3c2410/mach-qt2410.c + * + * Copyright (C) 2006 by OpenMoko, Inc. + * Author: Harald Welte <laforge@openmoko.org> + * All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/spi/spi.h> +#include <linux/spi/spi_gpio.h> +#include <linux/io.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/nand_ecc.h> +#include <linux/mtd/partitions.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <linux/platform_data/leds-s3c24xx.h> +#include <mach/regs-lcd.h> +#include <mach/fb.h> +#include <linux/platform_data/mtd-nand-s3c2410.h> +#include <linux/platform_data/usb-s3c2410_udc.h> +#include <linux/platform_data/i2c-s3c2410.h> +#include <mach/gpio-samsung.h> + +#include <plat/gpio-cfg.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/pm.h> +#include <plat/samsung-time.h> + +#include "common.h" +#include "common-smdk.h" + +static struct map_desc qt2410_iodesc[] __initdata = { + { 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE } +}; + +#define UCON S3C2410_UCON_DEFAULT +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg smdk2410_uartcfgs[] = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + } +}; + +/* LCD driver info */ + +static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = { + { + /* Configuration for 640x480 SHARP LQ080V3DG01 */ + .lcdcon5 = S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_INVVFRAME | + S3C2410_LCDCON5_PWREN | + S3C2410_LCDCON5_HWSWP, + + .type = S3C2410_LCDCON1_TFT, + .width = 640, + .height = 480, + + .pixclock = 40000, /* HCLK/4 */ + .xres = 640, + .yres = 480, + .bpp = 16, + .left_margin = 44, + .right_margin = 116, + .hsync_len = 96, + .upper_margin = 19, + .lower_margin = 11, + .vsync_len = 15, + }, + { + /* Configuration for 480x640 toppoly TD028TTEC1 */ + .lcdcon5 = S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_INVVFRAME | + S3C2410_LCDCON5_PWREN | + S3C2410_LCDCON5_HWSWP, + + .type = S3C2410_LCDCON1_TFT, + .width = 480, + .height = 640, + .pixclock = 40000, /* HCLK/4 */ + .xres = 480, + .yres = 640, + .bpp = 16, + .left_margin = 8, + .right_margin = 24, + .hsync_len = 8, + .upper_margin = 2, + .lower_margin = 4, + .vsync_len = 2, + }, + { + /* Config for 240x320 LCD */ + .lcdcon5 = S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_INVVFRAME | + S3C2410_LCDCON5_PWREN | + S3C2410_LCDCON5_HWSWP, + + .type = S3C2410_LCDCON1_TFT, + .width = 240, + .height = 320, + .pixclock = 100000, /* HCLK/10 */ + .xres = 240, + .yres = 320, + .bpp = 16, + .left_margin = 13, + .right_margin = 8, + .hsync_len = 4, + .upper_margin = 2, + .lower_margin = 7, + .vsync_len = 4, + }, +}; + + +static struct s3c2410fb_mach_info qt2410_fb_info __initdata = { + .displays = qt2410_lcd_cfg, + .num_displays = ARRAY_SIZE(qt2410_lcd_cfg), + .default_display = 0, + + .lpcsel = ((0xCE6) & ~7) | 1<<4, +}; + +/* CS8900 */ + +static struct resource qt2410_cs89x0_resources[] = { + [0] = DEFINE_RES_MEM(0x19000000, 17), + [1] = DEFINE_RES_IRQ(IRQ_EINT9), +}; + +static struct platform_device qt2410_cs89x0 = { + .name = "cirrus-cs89x0", + .num_resources = ARRAY_SIZE(qt2410_cs89x0_resources), + .resource = qt2410_cs89x0_resources, +}; + +/* LED */ + +static struct s3c24xx_led_platdata qt2410_pdata_led = { + .gpio = S3C2410_GPB(0), + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, + .name = "led", + .def_trigger = "timer", +}; + +static struct platform_device qt2410_led = { + .name = "s3c24xx_led", + .id = 0, + .dev = { + .platform_data = &qt2410_pdata_led, + }, +}; + +/* SPI */ + +static struct spi_gpio_platform_data spi_gpio_cfg = { + .sck = S3C2410_GPG(7), + .mosi = S3C2410_GPG(6), + .miso = S3C2410_GPG(5), +}; + +static struct platform_device qt2410_spi = { + .name = "spi-gpio", + .id = 1, + .dev.platform_data = &spi_gpio_cfg, +}; + +/* Board devices */ + +static struct platform_device *qt2410_devices[] __initdata = { + &s3c_device_ohci, + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_iis, + &s3c_device_sdi, + &s3c_device_usbgadget, + &qt2410_spi, + &qt2410_cs89x0, + &qt2410_led, +}; + +static struct mtd_partition __initdata qt2410_nand_part[] = { + [0] = { + .name = "U-Boot", + .size = 0x30000, + .offset = 0, + }, + [1] = { + .name = "U-Boot environment", + .offset = 0x30000, + .size = 0x4000, + }, + [2] = { + .name = "kernel", + .offset = 0x34000, + .size = SZ_2M, + }, + [3] = { + .name = "initrd", + .offset = 0x234000, + .size = SZ_4M, + }, + [4] = { + .name = "jffs2", + .offset = 0x634000, + .size = 0x39cc000, + }, +}; + +static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = { + [0] = { + .name = "NAND", + .nr_chips = 1, + .nr_partitions = ARRAY_SIZE(qt2410_nand_part), + .partitions = qt2410_nand_part, + }, +}; + +/* choose a set of timings which should suit most 512Mbit + * chips and beyond. + */ + +static struct s3c2410_platform_nand __initdata qt2410_nand_info = { + .tacls = 20, + .twrph0 = 60, + .twrph1 = 20, + .nr_sets = ARRAY_SIZE(qt2410_nand_sets), + .sets = qt2410_nand_sets, +}; + +/* UDC */ + +static struct s3c2410_udc_mach_info qt2410_udc_cfg = { +}; + +static char tft_type = 's'; + +static int __init qt2410_tft_setup(char *str) +{ + tft_type = str[0]; + return 1; +} + +__setup("tft=", qt2410_tft_setup); + +static void __init qt2410_map_io(void) +{ + s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc)); + s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init qt2410_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + +static void __init qt2410_machine_init(void) +{ + s3c_nand_set_platdata(&qt2410_nand_info); + + switch (tft_type) { + case 'p': /* production */ + qt2410_fb_info.default_display = 1; + break; + case 'b': /* big */ + qt2410_fb_info.default_display = 0; + break; + case 's': /* small */ + default: + qt2410_fb_info.default_display = 2; + break; + } + s3c24xx_fb_set_platdata(&qt2410_fb_info); + + /* set initial state of the LED GPIO */ + WARN_ON(gpio_request_one(S3C2410_GPB(0), GPIOF_OUT_INIT_HIGH, NULL)); + gpio_free(S3C2410_GPB(0)); + + s3c24xx_udc_set_platdata(&qt2410_udc_cfg); + s3c_i2c0_set_platdata(NULL); + + WARN_ON(gpio_request(S3C2410_GPB(5), "spi cs")); + gpio_direction_output(S3C2410_GPB(5), 1); + + platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices)); + s3c_pm_init(); +} + +MACHINE_START(QT2410, "QT2410") + .atag_offset = 0x100, + .map_io = qt2410_map_io, + .init_irq = s3c2410_init_irq, + .init_machine = qt2410_machine_init, + .init_time = qt2410_init_time, + .restart = s3c2410_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-rx1950.c b/arch/arm/mach-s3c24xx/mach-rx1950.c new file mode 100644 index 00000000000..e2c6541909c --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-rx1950.c @@ -0,0 +1,816 @@ +/* + * Copyright (c) 2006-2009 Victor Chukhantsev, Denis Grigoriev, + * Copyright (c) 2007-2010 Vasily Khoruzhick + * + * based on smdk2440 written by Ben Dooks + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/memblock.h> +#include <linux/delay.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/platform_device.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/input.h> +#include <linux/gpio_keys.h> +#include <linux/device.h> +#include <linux/pda_power.h> +#include <linux/pwm_backlight.h> +#include <linux/pwm.h> +#include <linux/s3c_adc_battery.h> +#include <linux/leds.h> +#include <linux/i2c.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> + +#include <linux/mmc/host.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <linux/platform_data/i2c-s3c2410.h> +#include <linux/platform_data/mmc-s3cmci.h> +#include <linux/platform_data/mtd-nand-s3c2410.h> +#include <linux/platform_data/touchscreen-s3c2410.h> +#include <linux/platform_data/usb-s3c2410_udc.h> + +#include <sound/uda1380.h> + +#include <mach/fb.h> +#include <mach/regs-gpio.h> +#include <mach/regs-lcd.h> +#include <mach/gpio-samsung.h> + +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/pm.h> +#include <plat/samsung-time.h> +#include <plat/gpio-cfg.h> + +#include "common.h" +#include "h1940.h" + +#define LCD_PWM_PERIOD 192960 +#define LCD_PWM_DUTY 127353 + +static struct map_desc rx1950_iodesc[] __initdata = { +}; + +static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + .clk_sel = S3C2410_UCON_CLKSEL3, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + .clk_sel = S3C2410_UCON_CLKSEL3, + }, + /* IR port */ + [2] = { + .hwport = 2, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x43, + .ufcon = 0xf1, + .clk_sel = S3C2410_UCON_CLKSEL3, + }, +}; + +static struct s3c2410fb_display rx1950_display = { + .type = S3C2410_LCDCON1_TFT, + .width = 240, + .height = 320, + .xres = 240, + .yres = 320, + .bpp = 16, + + .pixclock = 260000, + .left_margin = 10, + .right_margin = 20, + .hsync_len = 10, + .upper_margin = 2, + .lower_margin = 2, + .vsync_len = 2, + + .lcdcon5 = S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_INVVCLK | + S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_INVVFRAME | + S3C2410_LCDCON5_HWSWP | + (0x02 << 13) | + (0x02 << 15), + +}; + +static int power_supply_init(struct device *dev) +{ + return gpio_request(S3C2410_GPF(2), "cable plugged"); +} + +static int rx1950_is_ac_online(void) +{ + return !gpio_get_value(S3C2410_GPF(2)); +} + +static void power_supply_exit(struct device *dev) +{ + gpio_free(S3C2410_GPF(2)); +} + +static char *rx1950_supplicants[] = { + "main-battery" +}; + +static struct pda_power_pdata power_supply_info = { + .init = power_supply_init, + .is_ac_online = rx1950_is_ac_online, + .exit = power_supply_exit, + .supplied_to = rx1950_supplicants, + .num_supplicants = ARRAY_SIZE(rx1950_supplicants), +}; + +static struct resource power_supply_resources[] = { + [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \ + | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE), +}; + +static struct platform_device power_supply = { + .name = "pda-power", + .id = -1, + .dev = { + .platform_data = + &power_supply_info, + }, + .resource = power_supply_resources, + .num_resources = ARRAY_SIZE(power_supply_resources), +}; + +static const struct s3c_adc_bat_thresh bat_lut_noac[] = { + { .volt = 4100, .cur = 156, .level = 100}, + { .volt = 4050, .cur = 156, .level = 95}, + { .volt = 4025, .cur = 141, .level = 90}, + { .volt = 3995, .cur = 144, .level = 85}, + { .volt = 3957, .cur = 162, .level = 80}, + { .volt = 3931, .cur = 147, .level = 75}, + { .volt = 3902, .cur = 147, .level = 70}, + { .volt = 3863, .cur = 153, .level = 65}, + { .volt = 3838, .cur = 150, .level = 60}, + { .volt = 3800, .cur = 153, .level = 55}, + { .volt = 3765, .cur = 153, .level = 50}, + { .volt = 3748, .cur = 172, .level = 45}, + { .volt = 3740, .cur = 153, .level = 40}, + { .volt = 3714, .cur = 175, .level = 35}, + { .volt = 3710, .cur = 156, .level = 30}, + { .volt = 3963, .cur = 156, .level = 25}, + { .volt = 3672, .cur = 178, .level = 20}, + { .volt = 3651, .cur = 178, .level = 15}, + { .volt = 3629, .cur = 178, .level = 10}, + { .volt = 3612, .cur = 162, .level = 5}, + { .volt = 3605, .cur = 162, .level = 0}, +}; + +static const struct s3c_adc_bat_thresh bat_lut_acin[] = { + { .volt = 4200, .cur = 0, .level = 100}, + { .volt = 4190, .cur = 0, .level = 99}, + { .volt = 4178, .cur = 0, .level = 95}, + { .volt = 4110, .cur = 0, .level = 70}, + { .volt = 4076, .cur = 0, .level = 65}, + { .volt = 4046, .cur = 0, .level = 60}, + { .volt = 4021, .cur = 0, .level = 55}, + { .volt = 3999, .cur = 0, .level = 50}, + { .volt = 3982, .cur = 0, .level = 45}, + { .volt = 3965, .cur = 0, .level = 40}, + { .volt = 3957, .cur = 0, .level = 35}, + { .volt = 3948, .cur = 0, .level = 30}, + { .volt = 3936, .cur = 0, .level = 25}, + { .volt = 3927, .cur = 0, .level = 20}, + { .volt = 3906, .cur = 0, .level = 15}, + { .volt = 3880, .cur = 0, .level = 10}, + { .volt = 3829, .cur = 0, .level = 5}, + { .volt = 3820, .cur = 0, .level = 0}, +}; + +static int rx1950_bat_init(void) +{ + int ret; + + ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1"); + if (ret) + goto err_gpio1; + ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2"); + if (ret) + goto err_gpio2; + + return 0; + +err_gpio2: + gpio_free(S3C2410_GPJ(2)); +err_gpio1: + return ret; +} + +static void rx1950_bat_exit(void) +{ + gpio_free(S3C2410_GPJ(2)); + gpio_free(S3C2410_GPJ(3)); +} + +static void rx1950_enable_charger(void) +{ + gpio_direction_output(S3C2410_GPJ(2), 1); + gpio_direction_output(S3C2410_GPJ(3), 1); +} + +static void rx1950_disable_charger(void) +{ + gpio_direction_output(S3C2410_GPJ(2), 0); + gpio_direction_output(S3C2410_GPJ(3), 0); +} + +static DEFINE_SPINLOCK(rx1950_blink_spin); + +static int rx1950_led_blink_set(unsigned gpio, int state, + unsigned long *delay_on, unsigned long *delay_off) +{ + int blink_gpio, check_gpio; + + switch (gpio) { + case S3C2410_GPA(6): + blink_gpio = S3C2410_GPA(4); + check_gpio = S3C2410_GPA(3); + break; + case S3C2410_GPA(7): + blink_gpio = S3C2410_GPA(3); + check_gpio = S3C2410_GPA(4); + break; + default: + return -EINVAL; + break; + } + + if (delay_on && delay_off && !*delay_on && !*delay_off) + *delay_on = *delay_off = 500; + + spin_lock(&rx1950_blink_spin); + + switch (state) { + case GPIO_LED_NO_BLINK_LOW: + case GPIO_LED_NO_BLINK_HIGH: + if (!gpio_get_value(check_gpio)) + gpio_set_value(S3C2410_GPJ(6), 0); + gpio_set_value(blink_gpio, 0); + gpio_set_value(gpio, state); + break; + case GPIO_LED_BLINK: + gpio_set_value(gpio, 0); + gpio_set_value(S3C2410_GPJ(6), 1); + gpio_set_value(blink_gpio, 1); + break; + } + + spin_unlock(&rx1950_blink_spin); + + return 0; +} + +static struct gpio_led rx1950_leds_desc[] = { + { + .name = "Green", + .default_trigger = "main-battery-full", + .gpio = S3C2410_GPA(6), + .retain_state_suspended = 1, + }, + { + .name = "Red", + .default_trigger + = "main-battery-charging-blink-full-solid", + .gpio = S3C2410_GPA(7), + .retain_state_suspended = 1, + }, + { + .name = "Blue", + .default_trigger = "rx1950-acx-mem", + .gpio = S3C2410_GPA(11), + .retain_state_suspended = 1, + }, +}; + +static struct gpio_led_platform_data rx1950_leds_pdata = { + .num_leds = ARRAY_SIZE(rx1950_leds_desc), + .leds = rx1950_leds_desc, + .gpio_blink_set = rx1950_led_blink_set, +}; + +static struct platform_device rx1950_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &rx1950_leds_pdata, + }, +}; + +static struct s3c_adc_bat_pdata rx1950_bat_cfg = { + .init = rx1950_bat_init, + .exit = rx1950_bat_exit, + .enable_charger = rx1950_enable_charger, + .disable_charger = rx1950_disable_charger, + .gpio_charge_finished = S3C2410_GPF(3), + .lut_noac = bat_lut_noac, + .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac), + .lut_acin = bat_lut_acin, + .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin), + .volt_channel = 0, + .current_channel = 1, + .volt_mult = 4235, + .current_mult = 2900, + .internal_impedance = 200, +}; + +static struct platform_device rx1950_battery = { + .name = "s3c-adc-battery", + .id = -1, + .dev = { + .parent = &s3c_device_adc.dev, + .platform_data = &rx1950_bat_cfg, + }, +}; + +static struct s3c2410fb_mach_info rx1950_lcd_cfg = { + .displays = &rx1950_display, + .num_displays = 1, + .default_display = 0, + + .lpcsel = 0x02, + .gpccon = 0xaa9556a9, + .gpccon_mask = 0xffc003fc, + .gpcup = 0x0000ffff, + .gpcup_mask = 0xffffffff, + + .gpdcon = 0xaa90aaa1, + .gpdcon_mask = 0xffc0fff0, + .gpdup = 0x0000fcfd, + .gpdup_mask = 0xffffffff, + +}; + +static struct pwm_device *lcd_pwm; + +static void rx1950_lcd_power(int enable) +{ + int i; + static int enabled; + if (enabled == enable) + return; + if (!enable) { + + /* GPC11-GPC15->OUTPUT */ + for (i = 11; i < 16; i++) + gpio_direction_output(S3C2410_GPC(i), 1); + + /* Wait a bit here... */ + mdelay(100); + + /* GPD2-GPD7->OUTPUT */ + /* GPD11-GPD15->OUTPUT */ + /* GPD2-GPD7->1, GPD11-GPD15->1 */ + for (i = 2; i < 8; i++) + gpio_direction_output(S3C2410_GPD(i), 1); + for (i = 11; i < 16; i++) + gpio_direction_output(S3C2410_GPD(i), 1); + + /* Wait a bit here...*/ + mdelay(100); + + /* GPB0->OUTPUT, GPB0->0 */ + gpio_direction_output(S3C2410_GPB(0), 0); + + /* GPC1-GPC4->OUTPUT, GPC1-4->0 */ + for (i = 1; i < 5; i++) + gpio_direction_output(S3C2410_GPC(i), 0); + + /* GPC15-GPC11->0 */ + for (i = 11; i < 16; i++) + gpio_direction_output(S3C2410_GPC(i), 0); + + /* GPD15-GPD11->0, GPD2->GPD7->0 */ + for (i = 11; i < 16; i++) + gpio_direction_output(S3C2410_GPD(i), 0); + + for (i = 2; i < 8; i++) + gpio_direction_output(S3C2410_GPD(i), 0); + + /* GPC6->0, GPC7->0, GPC5->0 */ + gpio_direction_output(S3C2410_GPC(6), 0); + gpio_direction_output(S3C2410_GPC(7), 0); + gpio_direction_output(S3C2410_GPC(5), 0); + + /* GPB1->OUTPUT, GPB1->0 */ + gpio_direction_output(S3C2410_GPB(1), 0); + pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD); + pwm_disable(lcd_pwm); + + /* GPC0->0, GPC10->0 */ + gpio_direction_output(S3C2410_GPC(0), 0); + gpio_direction_output(S3C2410_GPC(10), 0); + } else { + pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD); + pwm_enable(lcd_pwm); + + gpio_direction_output(S3C2410_GPC(0), 1); + gpio_direction_output(S3C2410_GPC(5), 1); + + s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1); + gpio_direction_output(S3C2410_GPC(7), 1); + + for (i = 1; i < 5; i++) + s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2)); + + for (i = 11; i < 16; i++) + s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2)); + + for (i = 2; i < 8; i++) + s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2)); + + for (i = 11; i < 16; i++) + s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2)); + + gpio_direction_output(S3C2410_GPC(10), 1); + gpio_direction_output(S3C2410_GPC(6), 1); + } + enabled = enable; +} + +static void rx1950_bl_power(int enable) +{ + static int enabled; + if (enabled == enable) + return; + if (!enable) { + gpio_direction_output(S3C2410_GPB(0), 0); + } else { + /* LED driver need a "push" to power on */ + gpio_direction_output(S3C2410_GPB(0), 1); + /* Warm up backlight for one period of PWM. + * Without this trick its almost impossible to + * enable backlight with low brightness value + */ + ndelay(48000); + s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0); + } + enabled = enable; +} + +static int rx1950_backlight_init(struct device *dev) +{ + WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight")); + lcd_pwm = pwm_request(1, "RX1950 LCD"); + if (IS_ERR(lcd_pwm)) { + dev_err(dev, "Unable to request PWM for LCD power!\n"); + return PTR_ERR(lcd_pwm); + } + + rx1950_lcd_power(1); + rx1950_bl_power(1); + + return 0; +} + +static void rx1950_backlight_exit(struct device *dev) +{ + rx1950_bl_power(0); + rx1950_lcd_power(0); + + pwm_free(lcd_pwm); + gpio_free(S3C2410_GPB(0)); +} + + +static int rx1950_backlight_notify(struct device *dev, int brightness) +{ + if (!brightness) { + rx1950_bl_power(0); + rx1950_lcd_power(0); + } else { + rx1950_lcd_power(1); + rx1950_bl_power(1); + } + return brightness; +} + +static struct platform_pwm_backlight_data rx1950_backlight_data = { + .pwm_id = 0, + .max_brightness = 24, + .dft_brightness = 4, + .pwm_period_ns = 48000, + .enable_gpio = -1, + .init = rx1950_backlight_init, + .notify = rx1950_backlight_notify, + .exit = rx1950_backlight_exit, +}; + +static struct platform_device rx1950_backlight = { + .name = "pwm-backlight", + .dev = { + .parent = &samsung_device_pwm.dev, + .platform_data = &rx1950_backlight_data, + }, +}; + +static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd) +{ + switch (power_mode) { + case MMC_POWER_OFF: + gpio_direction_output(S3C2410_GPJ(1), 0); + break; + case MMC_POWER_UP: + case MMC_POWER_ON: + gpio_direction_output(S3C2410_GPJ(1), 1); + break; + default: + break; + } +} + +static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = { + .gpio_detect = S3C2410_GPF(5), + .gpio_wprotect = S3C2410_GPH(8), + .set_power = rx1950_set_mmc_power, + .ocr_avail = MMC_VDD_32_33, +}; + +static struct mtd_partition rx1950_nand_part[] = { + [0] = { + .name = "Boot0", + .offset = 0, + .size = 0x4000, + .mask_flags = MTD_WRITEABLE, + }, + [1] = { + .name = "Boot1", + .offset = MTDPART_OFS_APPEND, + .size = 0x40000, + .mask_flags = MTD_WRITEABLE, + }, + [2] = { + .name = "Kernel", + .offset = MTDPART_OFS_APPEND, + .size = 0x300000, + .mask_flags = 0, + }, + [3] = { + .name = "Filesystem", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + .mask_flags = 0, + }, +}; + +static struct s3c2410_nand_set rx1950_nand_sets[] = { + [0] = { + .name = "Internal", + .nr_chips = 1, + .nr_partitions = ARRAY_SIZE(rx1950_nand_part), + .partitions = rx1950_nand_part, + }, +}; + +static struct s3c2410_platform_nand rx1950_nand_info = { + .tacls = 25, + .twrph0 = 50, + .twrph1 = 15, + .nr_sets = ARRAY_SIZE(rx1950_nand_sets), + .sets = rx1950_nand_sets, +}; + +static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = { + .vbus_pin = S3C2410_GPG(5), + .vbus_pin_inverted = 1, + .pullup_pin = S3C2410_GPJ(5), +}; + +static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = { + .delay = 10000, + .presc = 49, + .oversampling_shift = 3, +}; + +static struct gpio_keys_button rx1950_gpio_keys_table[] = { + { + .code = KEY_POWER, + .gpio = S3C2410_GPF(0), + .active_low = 1, + .desc = "Power button", + .wakeup = 1, + }, + { + .code = KEY_F5, + .gpio = S3C2410_GPF(7), + .active_low = 1, + .desc = "Record button", + }, + { + .code = KEY_F1, + .gpio = S3C2410_GPG(0), + .active_low = 1, + .desc = "Calendar button", + }, + { + .code = KEY_F2, + .gpio = S3C2410_GPG(2), + .active_low = 1, + .desc = "Contacts button", + }, + { + .code = KEY_F3, + .gpio = S3C2410_GPG(3), + .active_low = 1, + .desc = "Mail button", + }, + { + .code = KEY_F4, + .gpio = S3C2410_GPG(7), + .active_low = 1, + .desc = "WLAN button", + }, + { + .code = KEY_LEFT, + .gpio = S3C2410_GPG(10), + .active_low = 1, + .desc = "Left button", + }, + { + .code = KEY_RIGHT, + .gpio = S3C2410_GPG(11), + .active_low = 1, + .desc = "Right button", + }, + { + .code = KEY_UP, + .gpio = S3C2410_GPG(4), + .active_low = 1, + .desc = "Up button", + }, + { + .code = KEY_DOWN, + .gpio = S3C2410_GPG(6), + .active_low = 1, + .desc = "Down button", + }, + { + .code = KEY_ENTER, + .gpio = S3C2410_GPG(9), + .active_low = 1, + .desc = "Ok button" + }, +}; + +static struct gpio_keys_platform_data rx1950_gpio_keys_data = { + .buttons = rx1950_gpio_keys_table, + .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table), +}; + +static struct platform_device rx1950_device_gpiokeys = { + .name = "gpio-keys", + .dev.platform_data = &rx1950_gpio_keys_data, +}; + +static struct uda1380_platform_data uda1380_info = { + .gpio_power = S3C2410_GPJ(0), + .gpio_reset = S3C2410_GPD(0), + .dac_clk = UDA1380_DAC_CLK_SYSCLK, +}; + +static struct i2c_board_info rx1950_i2c_devices[] = { + { + I2C_BOARD_INFO("uda1380", 0x1a), + .platform_data = &uda1380_info, + }, +}; + +static struct platform_device *rx1950_devices[] __initdata = { + &s3c2410_device_dclk, + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_iis, + &s3c_device_usbgadget, + &s3c_device_rtc, + &s3c_device_nand, + &s3c_device_sdi, + &s3c_device_adc, + &s3c_device_ts, + &samsung_device_pwm, + &rx1950_backlight, + &rx1950_device_gpiokeys, + &power_supply, + &rx1950_battery, + &rx1950_leds, +}; + +static void __init rx1950_map_io(void) +{ + s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc)); + s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); + + /* setup PM */ + +#ifdef CONFIG_PM_H1940 + memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8); +#endif + + s3c_pm_init(); +} + +static void __init rx1950_init_time(void) +{ + s3c2442_init_clocks(16934000); + samsung_timer_init(); +} + +static void __init rx1950_init_machine(void) +{ + int i; + + s3c24xx_fb_set_platdata(&rx1950_lcd_cfg); + s3c24xx_udc_set_platdata(&rx1950_udc_cfg); + s3c24xx_ts_set_platdata(&rx1950_ts_cfg); + s3c24xx_mci_set_platdata(&rx1950_mmc_cfg); + s3c_i2c0_set_platdata(NULL); + s3c_nand_set_platdata(&rx1950_nand_info); + + /* Turn off suspend on both USB ports, and switch the + * selectable USB port to USB device mode. */ + s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST | + S3C2410_MISCCR_USBSUSPND0 | + S3C2410_MISCCR_USBSUSPND1, 0x0); + + /* mmc power is disabled by default */ + WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power")); + gpio_direction_output(S3C2410_GPJ(1), 0); + + for (i = 0; i < 8; i++) + WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power")); + + for (i = 10; i < 16; i++) + WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power")); + + for (i = 2; i < 8; i++) + WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power")); + + for (i = 11; i < 16; i++) + WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power")); + + WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power")); + + WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink")); + WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink")); + WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink")); + gpio_direction_output(S3C2410_GPA(3), 0); + gpio_direction_output(S3C2410_GPA(4), 0); + gpio_direction_output(S3C2410_GPJ(6), 0); + + platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices)); + + i2c_register_board_info(0, rx1950_i2c_devices, + ARRAY_SIZE(rx1950_i2c_devices)); +} + +/* H1940 and RX3715 need to reserve this for suspend */ +static void __init rx1950_reserve(void) +{ + memblock_reserve(0x30003000, 0x1000); + memblock_reserve(0x30081000, 0x1000); +} + +MACHINE_START(RX1950, "HP iPAQ RX1950") + /* Maintainers: Vasily Khoruzhick */ + .atag_offset = 0x100, + .map_io = rx1950_map_io, + .reserve = rx1950_reserve, + .init_irq = s3c2442_init_irq, + .init_machine = rx1950_init_machine, + .init_time = rx1950_init_time, + .restart = s3c244x_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-rx3715.c b/arch/arm/mach-s3c24xx/mach-rx3715.c new file mode 100644 index 00000000000..6e749ec3a2e --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-rx3715.c @@ -0,0 +1,219 @@ +/* linux/arch/arm/mach-s3c2440/mach-rx3715.c + * + * Copyright (c) 2003-2004 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * http://www.handhelds.org/projects/rx3715.html + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/memblock.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/tty.h> +#include <linux/console.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/serial.h> +#include <linux/io.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/nand_ecc.h> +#include <linux/mtd/partitions.h> + +#include <asm/mach/arch.h> +#include <asm/mach/irq.h> +#include <asm/mach/map.h> + +#include <linux/platform_data/mtd-nand-s3c2410.h> + +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <mach/fb.h> +#include <mach/hardware.h> +#include <mach/regs-gpio.h> +#include <mach/regs-lcd.h> +#include <mach/gpio-samsung.h> + +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/pm.h> +#include <plat/samsung-time.h> + +#include "common.h" +#include "h1940.h" + +static struct map_desc rx3715_iodesc[] __initdata = { + /* dump ISA space somewhere unused */ + + { + .virtual = (u32)S3C24XX_VA_ISA_WORD, + .pfn = __phys_to_pfn(S3C2410_CS3), + .length = SZ_1M, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_BYTE, + .pfn = __phys_to_pfn(S3C2410_CS3), + .length = SZ_1M, + .type = MT_DEVICE, + }, +}; + +static struct s3c2410_uartcfg rx3715_uartcfgs[] = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + .clk_sel = S3C2410_UCON_CLKSEL3, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x00, + .clk_sel = S3C2410_UCON_CLKSEL3, + }, + /* IR port */ + [2] = { + .hwport = 2, + .uart_flags = UPF_CONS_FLOW, + .ucon = 0x3c5, + .ulcon = 0x43, + .ufcon = 0x51, + .clk_sel = S3C2410_UCON_CLKSEL3, + } +}; + +/* framebuffer lcd controller information */ + +static struct s3c2410fb_display rx3715_lcdcfg __initdata = { + .lcdcon5 = S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_HWSWP, + + .type = S3C2410_LCDCON1_TFT, + .width = 240, + .height = 320, + + .pixclock = 260000, + .xres = 240, + .yres = 320, + .bpp = 16, + .left_margin = 36, + .right_margin = 36, + .hsync_len = 8, + .upper_margin = 6, + .lower_margin = 7, + .vsync_len = 3, +}; + +static struct s3c2410fb_mach_info rx3715_fb_info __initdata = { + + .displays = &rx3715_lcdcfg, + .num_displays = 1, + .default_display = 0, + + .lpcsel = 0xf82, + + .gpccon = 0xaa955699, + .gpccon_mask = 0xffc003cc, + .gpcup = 0x0000ffff, + .gpcup_mask = 0xffffffff, + + .gpdcon = 0xaa95aaa1, + .gpdcon_mask = 0xffc0fff0, + .gpdup = 0x0000faff, + .gpdup_mask = 0xffffffff, +}; + +static struct mtd_partition __initdata rx3715_nand_part[] = { + [0] = { + .name = "Whole Flash", + .offset = 0, + .size = MTDPART_SIZ_FULL, + .mask_flags = MTD_WRITEABLE, + } +}; + +static struct s3c2410_nand_set __initdata rx3715_nand_sets[] = { + [0] = { + .name = "Internal", + .nr_chips = 1, + .nr_partitions = ARRAY_SIZE(rx3715_nand_part), + .partitions = rx3715_nand_part, + }, +}; + +static struct s3c2410_platform_nand __initdata rx3715_nand_info = { + .tacls = 25, + .twrph0 = 50, + .twrph1 = 15, + .nr_sets = ARRAY_SIZE(rx3715_nand_sets), + .sets = rx3715_nand_sets, +}; + +static struct platform_device *rx3715_devices[] __initdata = { + &s3c_device_ohci, + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_iis, + &s3c_device_nand, +}; + +static void __init rx3715_map_io(void) +{ + s3c24xx_init_io(rx3715_iodesc, ARRAY_SIZE(rx3715_iodesc)); + s3c24xx_init_uarts(rx3715_uartcfgs, ARRAY_SIZE(rx3715_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init rx3715_init_time(void) +{ + s3c2440_init_clocks(16934000); + samsung_timer_init(); +} + +/* H1940 and RX3715 need to reserve this for suspend */ +static void __init rx3715_reserve(void) +{ + memblock_reserve(0x30003000, 0x1000); + memblock_reserve(0x30081000, 0x1000); +} + +static void __init rx3715_init_machine(void) +{ +#ifdef CONFIG_PM_H1940 + memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024); +#endif + s3c_pm_init(); + + s3c_nand_set_platdata(&rx3715_nand_info); + s3c24xx_fb_set_platdata(&rx3715_fb_info); + platform_add_devices(rx3715_devices, ARRAY_SIZE(rx3715_devices)); +} + +MACHINE_START(RX3715, "IPAQ-RX3715") + /* Maintainer: Ben Dooks <ben-linux@fluff.org> */ + .atag_offset = 0x100, + .map_io = rx3715_map_io, + .reserve = rx3715_reserve, + .init_irq = s3c2440_init_irq, + .init_machine = rx3715_init_machine, + .init_time = rx3715_init_time, + .restart = s3c244x_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-s3c2416-dt.c b/arch/arm/mach-s3c24xx/mach-s3c2416-dt.c new file mode 100644 index 00000000000..e4dcb9aa2ca --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-s3c2416-dt.c @@ -0,0 +1,55 @@ +/* + * Samsung's S3C2416 flattened device tree enabled machine + * + * Copyright (c) 2012 Heiko Stuebner <heiko@sntech.de> + * + * based on mach-exynos/mach-exynos4-dt.c + * + * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * Copyright (c) 2010-2011 Linaro Ltd. + * www.linaro.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/clocksource.h> +#include <linux/irqchip.h> +#include <linux/of_platform.h> +#include <linux/serial_s3c.h> + +#include <asm/mach/arch.h> +#include <mach/map.h> + +#include <plat/cpu.h> +#include <plat/pm.h> + +#include "common.h" + +static void __init s3c2416_dt_map_io(void) +{ + s3c24xx_init_io(NULL, 0); +} + +static void __init s3c2416_dt_machine_init(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + s3c_pm_init(); +} + +static char const *s3c2416_dt_compat[] __initdata = { + "samsung,s3c2416", + "samsung,s3c2450", + NULL +}; + +DT_MACHINE_START(S3C2416_DT, "Samsung S3C2416 (Flattened Device Tree)") + /* Maintainer: Heiko Stuebner <heiko@sntech.de> */ + .dt_compat = s3c2416_dt_compat, + .map_io = s3c2416_dt_map_io, + .init_irq = irqchip_init, + .init_machine = s3c2416_dt_machine_init, + .restart = s3c2416_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-smdk2410.c b/arch/arm/mach-s3c24xx/mach-smdk2410.c new file mode 100644 index 00000000000..419fadd6e44 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-smdk2410.c @@ -0,0 +1,128 @@ +/* linux/arch/arm/mach-s3c2410/mach-smdk2410.c + * + * linux/arch/arm/mach-s3c2410/mach-smdk2410.c + * + * Copyright (C) 2004 by FS Forth-Systeme GmbH + * All rights reserved. + * + * @Author: Jonas Dietsche + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * @History: + * derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by + * Ben Dooks <ben@simtec.co.uk> + * + ***********************************************************************/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/io.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <linux/platform_data/i2c-s3c2410.h> + +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/samsung-time.h> + +#include "common.h" +#include "common-smdk.h" + +static struct map_desc smdk2410_iodesc[] __initdata = { + /* nothing here yet */ +}; + +#define UCON S3C2410_UCON_DEFAULT +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg smdk2410_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + } +}; + +static struct platform_device *smdk2410_devices[] __initdata = { + &s3c_device_ohci, + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_iis, +}; + +static void __init smdk2410_map_io(void) +{ + s3c24xx_init_io(smdk2410_iodesc, ARRAY_SIZE(smdk2410_iodesc)); + s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init smdk2410_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + +static void __init smdk2410_init(void) +{ + s3c_i2c0_set_platdata(NULL); + platform_add_devices(smdk2410_devices, ARRAY_SIZE(smdk2410_devices)); + smdk_machine_init(); +} + +MACHINE_START(SMDK2410, "SMDK2410") /* @TODO: request a new identifier and switch + * to SMDK2410 */ + /* Maintainer: Jonas Dietsche */ + .atag_offset = 0x100, + .map_io = smdk2410_map_io, + .init_irq = s3c2410_init_irq, + .init_machine = smdk2410_init, + .init_time = smdk2410_init_time, + .restart = s3c2410_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-smdk2413.c b/arch/arm/mach-s3c24xx/mach-smdk2413.c new file mode 100644 index 00000000000..fb3b80e4459 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-smdk2413.c @@ -0,0 +1,167 @@ +/* linux/arch/arm/mach-s3c2412/mach-smdk2413.c + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Thanks to Dimity Andric (TomTom) and Steven Ryu (Samsung) for the + * loans of SMDK2413 to work with. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/memblock.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <asm/hardware/iomd.h> +#include <asm/setup.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +//#include <asm/debug-ll.h> +#include <mach/regs-gpio.h> +#include <mach/regs-lcd.h> + +#include <linux/platform_data/usb-s3c2410_udc.h> +#include <linux/platform_data/i2c-s3c2410.h> +#include <mach/gpio-samsung.h> +#include <mach/fb.h> + +#include <plat/clock.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/samsung-time.h> + +#include "common.h" +#include "common-smdk.h" + +static struct map_desc smdk2413_iodesc[] __initdata = { +}; + +static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, + /* IR port */ + [2] = { + .hwport = 2, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x43, + .ufcon = 0x51, + } +}; + + +static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = { + .pullup_pin = S3C2410_GPF(2), +}; + + +static struct platform_device *smdk2413_devices[] __initdata = { + &s3c_device_ohci, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_iis, + &s3c_device_usbgadget, + &s3c2412_device_dma, +}; + +static void __init smdk2413_fixup(struct tag *tags, char **cmdline) +{ + if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) { + memblock_add(0x30000000, SZ_64M); + } +} + +static void __init smdk2413_map_io(void) +{ + s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc)); + s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init smdk2413_init_time(void) +{ + s3c2412_init_clocks(12000000); + samsung_timer_init(); +} + +static void __init smdk2413_machine_init(void) +{ /* Turn off suspend on both USB ports, and switch the + * selectable USB port to USB device mode. */ + + s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST | + S3C2410_MISCCR_USBSUSPND0 | + S3C2410_MISCCR_USBSUSPND1, 0x0); + + + s3c24xx_udc_set_platdata(&smdk2413_udc_cfg); + s3c_i2c0_set_platdata(NULL); + + platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices)); + smdk_machine_init(); +} + +MACHINE_START(S3C2413, "S3C2413") + /* Maintainer: Ben Dooks <ben-linux@fluff.org> */ + .atag_offset = 0x100, + + .fixup = smdk2413_fixup, + .init_irq = s3c2412_init_irq, + .map_io = smdk2413_map_io, + .init_machine = smdk2413_machine_init, + .init_time = samsung_timer_init, + .restart = s3c2412_restart, +MACHINE_END + +MACHINE_START(SMDK2412, "SMDK2412") + /* Maintainer: Ben Dooks <ben-linux@fluff.org> */ + .atag_offset = 0x100, + + .fixup = smdk2413_fixup, + .init_irq = s3c2412_init_irq, + .map_io = smdk2413_map_io, + .init_machine = smdk2413_machine_init, + .init_time = samsung_timer_init, + .restart = s3c2412_restart, +MACHINE_END + +MACHINE_START(SMDK2413, "SMDK2413") + /* Maintainer: Ben Dooks <ben-linux@fluff.org> */ + .atag_offset = 0x100, + + .fixup = smdk2413_fixup, + .init_irq = s3c2412_init_irq, + .map_io = smdk2413_map_io, + .init_machine = smdk2413_machine_init, + .init_time = smdk2413_init_time, + .restart = s3c2412_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-smdk2416.c b/arch/arm/mach-s3c24xx/mach-smdk2416.c new file mode 100644 index 00000000000..fa6f30d2360 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-smdk2416.c @@ -0,0 +1,267 @@ +/* linux/arch/arm/mach-s3c2416/mach-hanlin_v3c.c + * + * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>, + * as part of OpenInkpot project + * Copyright (c) 2009 Promwad Innovation Company + * Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/mtd/partitions.h> +#include <linux/gpio.h> +#include <linux/fb.h> +#include <linux/delay.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <video/samsung_fimd.h> +#include <mach/hardware.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <mach/regs-gpio.h> +#include <mach/regs-lcd.h> +#include <mach/regs-s3c2443-clock.h> +#include <mach/gpio-samsung.h> + +#include <linux/platform_data/leds-s3c24xx.h> +#include <linux/platform_data/i2c-s3c2410.h> + +#include <plat/gpio-cfg.h> +#include <plat/clock.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <linux/platform_data/mtd-nand-s3c2410.h> +#include <plat/sdhci.h> +#include <linux/platform_data/usb-s3c2410_udc.h> +#include <linux/platform_data/s3c-hsudc.h> +#include <plat/samsung-time.h> + +#include <plat/fb.h> + +#include "common.h" +#include "common-smdk.h" + +static struct map_desc smdk2416_iodesc[] __initdata = { + /* ISA IO Space map (memory space selected by A24) */ + + { + .virtual = (u32)S3C24XX_VA_ISA_WORD, + .pfn = __phys_to_pfn(S3C2410_CS2), + .length = 0x10000, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_WORD + 0x10000, + .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)), + .length = SZ_4M, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_BYTE, + .pfn = __phys_to_pfn(S3C2410_CS2), + .length = 0x10000, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_BYTE + 0x10000, + .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)), + .length = SZ_4M, + .type = MT_DEVICE, + } +}; + +#define UCON (S3C2410_UCON_DEFAULT | \ + S3C2440_UCON_PCLK | \ + S3C2443_UCON_RXERR_IRQEN) + +#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE) + +#define UFCON (S3C2410_UFCON_RXTRIG8 | \ + S3C2410_UFCON_FIFOMODE | \ + S3C2440_UFCON_TXTRIG16) + +static struct s3c2410_uartcfg smdk2416_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + /* IR port */ + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON | 0x50, + .ufcon = UFCON, + }, + [3] = { + .hwport = 3, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + } +}; + +static void smdk2416_hsudc_gpio_init(void) +{ + s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_UP); + s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(1)); + s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 0); +} + +static void smdk2416_hsudc_gpio_uninit(void) +{ + s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 1); + s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(0)); +} + +static struct s3c24xx_hsudc_platdata smdk2416_hsudc_platdata = { + .epnum = 9, + .gpio_init = smdk2416_hsudc_gpio_init, + .gpio_uninit = smdk2416_hsudc_gpio_uninit, +}; + +static struct s3c_fb_pd_win smdk2416_fb_win[] = { + [0] = { + .default_bpp = 16, + .max_bpp = 32, + .xres = 800, + .yres = 480, + }, +}; + +static struct fb_videomode smdk2416_lcd_timing = { + .pixclock = 41094, + .left_margin = 8, + .right_margin = 13, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, +}; + +static void s3c2416_fb_gpio_setup_24bpp(void) +{ + unsigned int gpio; + + for (gpio = S3C2410_GPC(1); gpio <= S3C2410_GPC(4); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + + for (gpio = S3C2410_GPC(8); gpio <= S3C2410_GPC(15); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + + for (gpio = S3C2410_GPD(0); gpio <= S3C2410_GPD(15); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } +} + +static struct s3c_fb_platdata smdk2416_fb_platdata = { + .win[0] = &smdk2416_fb_win[0], + .vtiming = &smdk2416_lcd_timing, + .setup_gpio = s3c2416_fb_gpio_setup_24bpp, + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, +}; + +static struct s3c_sdhci_platdata smdk2416_hsmmc0_pdata __initdata = { + .max_width = 4, + .cd_type = S3C_SDHCI_CD_GPIO, + .ext_cd_gpio = S3C2410_GPF(1), + .ext_cd_gpio_invert = 1, +}; + +static struct s3c_sdhci_platdata smdk2416_hsmmc1_pdata __initdata = { + .max_width = 4, + .cd_type = S3C_SDHCI_CD_NONE, +}; + +static struct platform_device *smdk2416_devices[] __initdata = { + &s3c_device_fb, + &s3c_device_wdt, + &s3c_device_ohci, + &s3c_device_i2c0, + &s3c_device_hsmmc0, + &s3c_device_hsmmc1, + &s3c_device_usb_hsudc, + &s3c2443_device_dma, +}; + +static void __init smdk2416_init_time(void) +{ + s3c2416_init_clocks(12000000); + samsung_timer_init(); +} + +static void __init smdk2416_map_io(void) +{ + s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc)); + s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init smdk2416_machine_init(void) +{ + s3c_i2c0_set_platdata(NULL); + s3c_fb_set_platdata(&smdk2416_fb_platdata); + + s3c_sdhci0_set_platdata(&smdk2416_hsmmc0_pdata); + s3c_sdhci1_set_platdata(&smdk2416_hsmmc1_pdata); + + s3c24xx_hsudc_set_platdata(&smdk2416_hsudc_platdata); + + gpio_request(S3C2410_GPB(4), "USBHost Power"); + gpio_direction_output(S3C2410_GPB(4), 1); + + gpio_request(S3C2410_GPB(3), "Display Power"); + gpio_direction_output(S3C2410_GPB(3), 1); + + gpio_request(S3C2410_GPB(1), "Display Reset"); + gpio_direction_output(S3C2410_GPB(1), 1); + + platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices)); + smdk_machine_init(); +} + +MACHINE_START(SMDK2416, "SMDK2416") + /* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */ + .atag_offset = 0x100, + + .init_irq = s3c2416_init_irq, + .map_io = smdk2416_map_io, + .init_machine = smdk2416_machine_init, + .init_time = smdk2416_init_time, + .restart = s3c2416_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-smdk2440.c b/arch/arm/mach-s3c24xx/mach-smdk2440.c new file mode 100644 index 00000000000..5fb89c0ae17 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-smdk2440.c @@ -0,0 +1,189 @@ +/* linux/arch/arm/mach-s3c2440/mach-smdk2440.c + * + * Copyright (c) 2004-2005 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * http://www.fluff.org/ben/smdk2440/ + * + * Thanks to Dimity Andric and TomTom for the loan of an SMDK2440. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/io.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <mach/regs-gpio.h> +#include <mach/regs-lcd.h> + +#include <mach/fb.h> +#include <linux/platform_data/i2c-s3c2410.h> + +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/samsung-time.h> + +#include "common.h" +#include "common-smdk.h" + +static struct map_desc smdk2440_iodesc[] __initdata = { + /* ISA IO Space map (memory space selected by A24) */ + + { + .virtual = (u32)S3C24XX_VA_ISA_WORD, + .pfn = __phys_to_pfn(S3C2410_CS2), + .length = 0x10000, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_WORD + 0x10000, + .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)), + .length = SZ_4M, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_BYTE, + .pfn = __phys_to_pfn(S3C2410_CS2), + .length = 0x10000, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_BYTE + 0x10000, + .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)), + .length = SZ_4M, + .type = MT_DEVICE, + } +}; + +#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg smdk2440_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, + /* IR port */ + [2] = { + .hwport = 2, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x43, + .ufcon = 0x51, + } +}; + +/* LCD driver info */ + +static struct s3c2410fb_display smdk2440_lcd_cfg __initdata = { + + .lcdcon5 = S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_INVVFRAME | + S3C2410_LCDCON5_PWREN | + S3C2410_LCDCON5_HWSWP, + + .type = S3C2410_LCDCON1_TFT, + + .width = 240, + .height = 320, + + .pixclock = 166667, /* HCLK 60 MHz, divisor 10 */ + .xres = 240, + .yres = 320, + .bpp = 16, + .left_margin = 20, + .right_margin = 8, + .hsync_len = 4, + .upper_margin = 8, + .lower_margin = 7, + .vsync_len = 4, +}; + +static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = { + .displays = &smdk2440_lcd_cfg, + .num_displays = 1, + .default_display = 0, + +#if 0 + /* currently setup by downloader */ + .gpccon = 0xaa940659, + .gpccon_mask = 0xffffffff, + .gpcup = 0x0000ffff, + .gpcup_mask = 0xffffffff, + .gpdcon = 0xaa84aaa0, + .gpdcon_mask = 0xffffffff, + .gpdup = 0x0000faff, + .gpdup_mask = 0xffffffff, +#endif + + .lpcsel = ((0xCE6) & ~7) | 1<<4, +}; + +static struct platform_device *smdk2440_devices[] __initdata = { + &s3c_device_ohci, + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_iis, +}; + +static void __init smdk2440_map_io(void) +{ + s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc)); + s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init smdk2440_init_time(void) +{ + s3c2440_init_clocks(16934400); + samsung_timer_init(); +} + +static void __init smdk2440_machine_init(void) +{ + s3c24xx_fb_set_platdata(&smdk2440_fb_info); + s3c_i2c0_set_platdata(NULL); + + platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices)); + smdk_machine_init(); +} + +MACHINE_START(S3C2440, "SMDK2440") + /* Maintainer: Ben Dooks <ben-linux@fluff.org> */ + .atag_offset = 0x100, + + .init_irq = s3c2440_init_irq, + .map_io = smdk2440_map_io, + .init_machine = smdk2440_machine_init, + .init_time = smdk2440_init_time, + .restart = s3c244x_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-smdk2443.c b/arch/arm/mach-s3c24xx/mach-smdk2443.c new file mode 100644 index 00000000000..ef5d5ea3318 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-smdk2443.c @@ -0,0 +1,155 @@ +/* linux/arch/arm/mach-s3c2443/mach-smdk2443.c + * + * Copyright (c) 2007 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * http://www.fluff.org/ben/smdk2443/ + * + * Thanks to Samsung for the loan of an SMDK2443 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/io.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <mach/regs-gpio.h> +#include <mach/regs-lcd.h> + +#include <mach/fb.h> +#include <linux/platform_data/i2c-s3c2410.h> + +#include <plat/clock.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/samsung-time.h> + +#include "common.h" +#include "common-smdk.h" + +static struct map_desc smdk2443_iodesc[] __initdata = { + /* ISA IO Space map (memory space selected by A24) */ + + { + .virtual = (u32)S3C24XX_VA_ISA_WORD, + .pfn = __phys_to_pfn(S3C2410_CS2), + .length = 0x10000, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_WORD + 0x10000, + .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)), + .length = SZ_4M, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_BYTE, + .pfn = __phys_to_pfn(S3C2410_CS2), + .length = 0x10000, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_BYTE + 0x10000, + .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)), + .length = SZ_4M, + .type = MT_DEVICE, + } +}; + +#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg smdk2443_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, + /* IR port */ + [2] = { + .hwport = 2, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x43, + .ufcon = 0x51, + }, + [3] = { + .hwport = 3, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + } +}; + +static struct platform_device *smdk2443_devices[] __initdata = { + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_hsmmc1, +#ifdef CONFIG_SND_SOC_SMDK2443_WM9710 + &s3c_device_ac97, +#endif + &s3c2443_device_dma, +}; + +static void __init smdk2443_map_io(void) +{ + s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc)); + s3c24xx_init_uarts(smdk2443_uartcfgs, ARRAY_SIZE(smdk2443_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init smdk2443_init_time(void) +{ + s3c2443_init_clocks(12000000); + samsung_timer_init(); +} + +static void __init smdk2443_machine_init(void) +{ + s3c_i2c0_set_platdata(NULL); + +#ifdef CONFIG_SND_SOC_SMDK2443_WM9710 + s3c24xx_ac97_setup_gpio(S3C24XX_AC97_GPE0); +#endif + + platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices)); + smdk_machine_init(); +} + +MACHINE_START(SMDK2443, "SMDK2443") + /* Maintainer: Ben Dooks <ben-linux@fluff.org> */ + .atag_offset = 0x100, + + .init_irq = s3c2443_init_irq, + .map_io = smdk2443_map_io, + .init_machine = smdk2443_machine_init, + .init_time = smdk2443_init_time, + .restart = s3c2443_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-tct_hammer.c b/arch/arm/mach-s3c24xx/mach-tct_hammer.c new file mode 100644 index 00000000000..c616ca2d409 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-tct_hammer.c @@ -0,0 +1,161 @@ +/* linux/arch/arm/mach-s3c2410/mach-tct_hammer.c + * + * Copyright (c) 2007 TinCanTools + * David Anders <danders@amltd.com> + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * @History: + * derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by + * Ben Dooks <ben@simtec.co.uk> + * + ***********************************************************************/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/io.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> +#include <asm/mach/flash.h> + +#include <mach/hardware.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <linux/platform_data/i2c-s3c2410.h> +#include <plat/devs.h> +#include <plat/cpu.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/map.h> +#include <linux/mtd/physmap.h> +#include <plat/samsung-time.h> + +#include "common.h" + +static struct resource tct_hammer_nor_resource = + DEFINE_RES_MEM(0x00000000, SZ_16M); + +static struct mtd_partition tct_hammer_mtd_partitions[] = { + { + .name = "System", + .size = 0x240000, + .offset = 0, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, { + .name = "JFFS2", + .size = MTDPART_SIZ_FULL, + .offset = MTDPART_OFS_APPEND, + } +}; + +static struct physmap_flash_data tct_hammer_flash_data = { + .width = 2, + .parts = tct_hammer_mtd_partitions, + .nr_parts = ARRAY_SIZE(tct_hammer_mtd_partitions), +}; + +static struct platform_device tct_hammer_device_nor = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &tct_hammer_flash_data, + }, + .num_resources = 1, + .resource = &tct_hammer_nor_resource, +}; + +static struct map_desc tct_hammer_iodesc[] __initdata = { +}; + +#define UCON S3C2410_UCON_DEFAULT +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg tct_hammer_uartcfgs[] = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + } +}; + + +static struct platform_device *tct_hammer_devices[] __initdata = { + &s3c_device_adc, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_ohci, + &s3c_device_rtc, + &s3c_device_usbgadget, + &s3c_device_sdi, + &tct_hammer_device_nor, +}; + +static void __init tct_hammer_map_io(void) +{ + s3c24xx_init_io(tct_hammer_iodesc, ARRAY_SIZE(tct_hammer_iodesc)); + s3c24xx_init_uarts(tct_hammer_uartcfgs, ARRAY_SIZE(tct_hammer_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init tct_hammer_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + +static void __init tct_hammer_init(void) +{ + s3c_i2c0_set_platdata(NULL); + platform_add_devices(tct_hammer_devices, ARRAY_SIZE(tct_hammer_devices)); +} + +MACHINE_START(TCT_HAMMER, "TCT_HAMMER") + .atag_offset = 0x100, + .map_io = tct_hammer_map_io, + .init_irq = s3c2410_init_irq, + .init_machine = tct_hammer_init, + .init_time = tct_hammer_init_time, + .restart = s3c2410_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-vr1000.c b/arch/arm/mach-s3c24xx/mach-vr1000.c new file mode 100644 index 00000000000..f88c584c300 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-vr1000.c @@ -0,0 +1,344 @@ +/* + * Copyright (c) 2003-2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Machine support for Thorcom VR1000 board. Designed for Thorcom by + * Simtec Electronics, http://www.simtec.co.uk/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/dm9000.h> +#include <linux/i2c.h> + +#include <linux/serial.h> +#include <linux/tty.h> +#include <linux/serial_8250.h> +#include <linux/serial_reg.h> +#include <linux/serial_s3c.h> +#include <linux/io.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <linux/platform_data/leds-s3c24xx.h> +#include <linux/platform_data/i2c-s3c2410.h> +#include <linux/platform_data/asoc-s3c24xx_simtec.h> + +#include <mach/hardware.h> +#include <mach/regs-gpio.h> +#include <mach/gpio-samsung.h> + +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/samsung-time.h> + +#include "bast.h" +#include "common.h" +#include "simtec.h" +#include "vr1000.h" + +/* macros for virtual address mods for the io space entries */ +#define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5) +#define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4) +#define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3) +#define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2) + +/* macros to modify the physical addresses for io space */ + +#define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2)) +#define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3)) +#define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4)) +#define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5)) + +static struct map_desc vr1000_iodesc[] __initdata = { + /* ISA IO areas */ + { + .virtual = (u32)S3C24XX_VA_ISA_BYTE, + .pfn = PA_CS2(BAST_PA_ISAIO), + .length = SZ_16M, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_WORD, + .pfn = PA_CS3(BAST_PA_ISAIO), + .length = SZ_16M, + .type = MT_DEVICE, + }, + + /* CPLD control registers, and external interrupt controls */ + { + .virtual = (u32)VR1000_VA_CTRL1, + .pfn = __phys_to_pfn(VR1000_PA_CTRL1), + .length = SZ_1M, + .type = MT_DEVICE, + }, { + .virtual = (u32)VR1000_VA_CTRL2, + .pfn = __phys_to_pfn(VR1000_PA_CTRL2), + .length = SZ_1M, + .type = MT_DEVICE, + }, { + .virtual = (u32)VR1000_VA_CTRL3, + .pfn = __phys_to_pfn(VR1000_PA_CTRL3), + .length = SZ_1M, + .type = MT_DEVICE, + }, { + .virtual = (u32)VR1000_VA_CTRL4, + .pfn = __phys_to_pfn(VR1000_PA_CTRL4), + .length = SZ_1M, + .type = MT_DEVICE, + }, +}; + +#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg vr1000_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + /* port 2 is not actually used */ + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + } +}; + +/* definitions for the vr1000 extra 16550 serial ports */ + +#define VR1000_BAUDBASE (3692307) + +#define VR1000_SERIAL_MAPBASE(x) (VR1000_PA_SERIAL + 0x80 + ((x) << 5)) + +static struct plat_serial8250_port serial_platform_data[] = { + [0] = { + .mapbase = VR1000_SERIAL_MAPBASE(0), + .irq = VR1000_IRQ_SERIAL + 0, + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, + .iotype = UPIO_MEM, + .regshift = 0, + .uartclk = VR1000_BAUDBASE, + }, + [1] = { + .mapbase = VR1000_SERIAL_MAPBASE(1), + .irq = VR1000_IRQ_SERIAL + 1, + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, + .iotype = UPIO_MEM, + .regshift = 0, + .uartclk = VR1000_BAUDBASE, + }, + [2] = { + .mapbase = VR1000_SERIAL_MAPBASE(2), + .irq = VR1000_IRQ_SERIAL + 2, + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, + .iotype = UPIO_MEM, + .regshift = 0, + .uartclk = VR1000_BAUDBASE, + }, + [3] = { + .mapbase = VR1000_SERIAL_MAPBASE(3), + .irq = VR1000_IRQ_SERIAL + 3, + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, + .iotype = UPIO_MEM, + .regshift = 0, + .uartclk = VR1000_BAUDBASE, + }, + { }, +}; + +static struct platform_device serial_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = serial_platform_data, + }, +}; + +/* DM9000 ethernet devices */ + +static struct resource vr1000_dm9k0_resource[] = { + [0] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000, 4), + [1] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0x40, 0x40), + [2] = DEFINE_RES_NAMED(VR1000_IRQ_DM9000A, 1, NULL, IORESOURCE_IRQ \ + | IORESOURCE_IRQ_HIGHLEVEL), +}; + +static struct resource vr1000_dm9k1_resource[] = { + [0] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0x80, 4), + [1] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0xC0, 0x40), + [2] = DEFINE_RES_NAMED(VR1000_IRQ_DM9000N, 1, NULL, IORESOURCE_IRQ \ + | IORESOURCE_IRQ_HIGHLEVEL), +}; + +/* for the moment we limit ourselves to 16bit IO until some + * better IO routines can be written and tested +*/ + +static struct dm9000_plat_data vr1000_dm9k_platdata = { + .flags = DM9000_PLATF_16BITONLY, +}; + +static struct platform_device vr1000_dm9k0 = { + .name = "dm9000", + .id = 0, + .num_resources = ARRAY_SIZE(vr1000_dm9k0_resource), + .resource = vr1000_dm9k0_resource, + .dev = { + .platform_data = &vr1000_dm9k_platdata, + } +}; + +static struct platform_device vr1000_dm9k1 = { + .name = "dm9000", + .id = 1, + .num_resources = ARRAY_SIZE(vr1000_dm9k1_resource), + .resource = vr1000_dm9k1_resource, + .dev = { + .platform_data = &vr1000_dm9k_platdata, + } +}; + +/* LEDS */ + +static struct s3c24xx_led_platdata vr1000_led1_pdata = { + .name = "led1", + .gpio = S3C2410_GPB(0), + .def_trigger = "", +}; + +static struct s3c24xx_led_platdata vr1000_led2_pdata = { + .name = "led2", + .gpio = S3C2410_GPB(1), + .def_trigger = "", +}; + +static struct s3c24xx_led_platdata vr1000_led3_pdata = { + .name = "led3", + .gpio = S3C2410_GPB(2), + .def_trigger = "", +}; + +static struct platform_device vr1000_led1 = { + .name = "s3c24xx_led", + .id = 1, + .dev = { + .platform_data = &vr1000_led1_pdata, + }, +}; + +static struct platform_device vr1000_led2 = { + .name = "s3c24xx_led", + .id = 2, + .dev = { + .platform_data = &vr1000_led2_pdata, + }, +}; + +static struct platform_device vr1000_led3 = { + .name = "s3c24xx_led", + .id = 3, + .dev = { + .platform_data = &vr1000_led3_pdata, + }, +}; + +/* I2C devices. */ + +static struct i2c_board_info vr1000_i2c_devs[] __initdata = { + { + I2C_BOARD_INFO("tlv320aic23", 0x1a), + }, { + I2C_BOARD_INFO("tmp101", 0x48), + }, { + I2C_BOARD_INFO("m41st87", 0x68), + }, +}; + +/* devices for this board */ + +static struct platform_device *vr1000_devices[] __initdata = { + &s3c2410_device_dclk, + &s3c_device_ohci, + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_adc, + &serial_device, + &vr1000_dm9k0, + &vr1000_dm9k1, + &vr1000_led1, + &vr1000_led2, + &vr1000_led3, +}; + +static void vr1000_power_off(void) +{ + gpio_direction_output(S3C2410_GPB(9), 1); +} + +static void __init vr1000_map_io(void) +{ + pm_power_off = vr1000_power_off; + + s3c24xx_init_io(vr1000_iodesc, ARRAY_SIZE(vr1000_iodesc)); + s3c24xx_init_uarts(vr1000_uartcfgs, ARRAY_SIZE(vr1000_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init vr1000_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + +static void __init vr1000_init(void) +{ + s3c_i2c0_set_platdata(NULL); + platform_add_devices(vr1000_devices, ARRAY_SIZE(vr1000_devices)); + + i2c_register_board_info(0, vr1000_i2c_devs, + ARRAY_SIZE(vr1000_i2c_devs)); + + nor_simtec_init(); + simtec_audio_add(NULL, true, NULL); + + WARN_ON(gpio_request(S3C2410_GPB(9), "power off")); +} + +MACHINE_START(VR1000, "Thorcom-VR1000") + /* Maintainer: Ben Dooks <ben@simtec.co.uk> */ + .atag_offset = 0x100, + .map_io = vr1000_map_io, + .init_machine = vr1000_init, + .init_irq = s3c2410_init_irq, + .init_time = vr1000_init_time, + .restart = s3c2410_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-vstms.c b/arch/arm/mach-s3c24xx/mach-vstms.c new file mode 100644 index 00000000000..9104c2be36c --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-vstms.c @@ -0,0 +1,170 @@ +/* linux/arch/arm/mach-s3c2412/mach-vstms.c + * + * (C) 2006 Thomas Gleixner <tglx@linutronix.de> + * + * Derived from mach-smdk2413.c - (C) 2006 Simtec Electronics + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/nand_ecc.h> +#include <linux/mtd/partitions.h> +#include <linux/memblock.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <asm/setup.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <mach/regs-gpio.h> +#include <mach/regs-lcd.h> + +#include <mach/fb.h> + +#include <linux/platform_data/i2c-s3c2410.h> +#include <linux/platform_data/mtd-nand-s3c2410.h> + +#include <plat/clock.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/samsung-time.h> + +#include "common.h" + +static struct map_desc vstms_iodesc[] __initdata = { +}; + +static struct s3c2410_uartcfg vstms_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, + [2] = { + .hwport = 2, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + } +}; + +static struct mtd_partition __initdata vstms_nand_part[] = { + [0] = { + .name = "Boot Agent", + .size = 0x7C000, + .offset = 0, + }, + [1] = { + .name = "UBoot Config", + .offset = 0x7C000, + .size = 0x4000, + }, + [2] = { + .name = "Kernel", + .offset = 0x80000, + .size = 0x200000, + }, + [3] = { + .name = "RFS", + .offset = 0x280000, + .size = 0x3d80000, + }, +}; + +static struct s3c2410_nand_set __initdata vstms_nand_sets[] = { + [0] = { + .name = "NAND", + .nr_chips = 1, + .nr_partitions = ARRAY_SIZE(vstms_nand_part), + .partitions = vstms_nand_part, + }, +}; + +/* choose a set of timings which should suit most 512Mbit + * chips and beyond. +*/ + +static struct s3c2410_platform_nand __initdata vstms_nand_info = { + .tacls = 20, + .twrph0 = 60, + .twrph1 = 20, + .nr_sets = ARRAY_SIZE(vstms_nand_sets), + .sets = vstms_nand_sets, +}; + +static struct platform_device *vstms_devices[] __initdata = { + &s3c_device_ohci, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_iis, + &s3c_device_rtc, + &s3c_device_nand, + &s3c2412_device_dma, +}; + +static void __init vstms_fixup(struct tag *tags, char **cmdline) +{ + if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) { + memblock_add(0x30000000, SZ_64M); + } +} + +static void __init vstms_map_io(void) +{ + s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc)); + s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init vstms_init_time(void) +{ + s3c2412_init_clocks(12000000); + samsung_timer_init(); +} + +static void __init vstms_init(void) +{ + s3c_i2c0_set_platdata(NULL); + s3c_nand_set_platdata(&vstms_nand_info); + + platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices)); +} + +MACHINE_START(VSTMS, "VSTMS") + .atag_offset = 0x100, + + .fixup = vstms_fixup, + .init_irq = s3c2412_init_irq, + .init_machine = vstms_init, + .map_io = vstms_map_io, + .init_time = vstms_init_time, + .restart = s3c2412_restart, +MACHINE_END diff --git a/arch/arm/mach-s3c24xx/osiris.h b/arch/arm/mach-s3c24xx/osiris.h new file mode 100644 index 00000000000..b8d56074aba --- /dev/null +++ b/arch/arm/mach-s3c24xx/osiris.h @@ -0,0 +1,53 @@ +/* + * Copyright 2005 Simtec Electronics + * http://www.simtec.co.uk/products/ + * Ben Dooks <ben@simtec.co.uk> + * + * OSIRIS - CPLD control constants + * OSIRIS - Memory map definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __MACH_S3C24XX_OSIRIS_H +#define __MACH_S3C24XX_OSIRIS_H __FILE__ + +/* CTRL0 - NAND WP control */ + +#define OSIRIS_CTRL0_NANDSEL (0x3) +#define OSIRIS_CTRL0_BOOT_INT (1<<3) +#define OSIRIS_CTRL0_PCMCIA (1<<4) +#define OSIRIS_CTRL0_FIX8 (1<<5) +#define OSIRIS_CTRL0_PCMCIA_nWAIT (1<<6) +#define OSIRIS_CTRL0_PCMCIA_nIOIS16 (1<<7) + +#define OSIRIS_CTRL1_FIX8 (1<<0) + +#define OSIRIS_ID_REVMASK (0x7) + +/* start peripherals off after the S3C2410 */ + +#define OSIRIS_IOADDR(x) (S3C2410_ADDR((x) + 0x04000000)) + +#define OSIRIS_PA_CPLD (S3C2410_CS1 | (1<<26)) + +/* we put the CPLD registers next, to get them out of the way */ + +#define OSIRIS_VA_CTRL0 OSIRIS_IOADDR(0x00000000) +#define OSIRIS_PA_CTRL0 (OSIRIS_PA_CPLD) + +#define OSIRIS_VA_CTRL1 OSIRIS_IOADDR(0x00100000) +#define OSIRIS_PA_CTRL1 (OSIRIS_PA_CPLD + (1<<23)) + +#define OSIRIS_VA_CTRL2 OSIRIS_IOADDR(0x00200000) +#define OSIRIS_PA_CTRL2 (OSIRIS_PA_CPLD + (2<<23)) + +#define OSIRIS_VA_CTRL3 OSIRIS_IOADDR(0x00300000) +#define OSIRIS_PA_CTRL3 (OSIRIS_PA_CPLD + (2<<23)) + +#define OSIRIS_VA_IDREG OSIRIS_IOADDR(0x00700000) +#define OSIRIS_PA_IDREG (OSIRIS_PA_CPLD + (7<<23)) + +#endif /* __MACH_S3C24XX_OSIRIS_H */ diff --git a/arch/arm/mach-s3c24xx/otom.h b/arch/arm/mach-s3c24xx/otom.h new file mode 100644 index 00000000000..321b7be1c0f --- /dev/null +++ b/arch/arm/mach-s3c24xx/otom.h @@ -0,0 +1,28 @@ +/* + * (c) 2005 Guillaume GOURAT / NexVision + * guillaume.gourat@nexvision.fr + * + * NexVision OTOM board memory map definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/* + * ok, we've used up to 0x01300000, now we need to find space for the + * peripherals that live in the nGCS[x] areas, which are quite numerous + * in their space. + */ + +#ifndef __MACH_S3C24XX_OTOM_H +#define __MACH_S3C24XX_OTOM_H __FILE__ + +#define OTOM_PA_CS8900A_BASE (S3C2410_CS3 + 0x01000000) /* nGCS3 +0x01000000 */ +#define OTOM_VA_CS8900A_BASE S3C2410_ADDR(0x04000000) /* 0xF4000000 */ + +/* physical offset addresses for the peripherals */ + +#define OTOM_PA_FLASH0_BASE (S3C2410_CS0) + +#endif /* __MACH_S3C24XX_OTOM_H */ diff --git a/arch/arm/mach-s3c24xx/pll-s3c2410.c b/arch/arm/mach-s3c24xx/pll-s3c2410.c new file mode 100644 index 00000000000..5e37d368594 --- /dev/null +++ b/arch/arm/mach-s3c24xx/pll-s3c2410.c @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2006-2007 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * Vincent Sanders <vince@arm.linux.org.uk> + * + * S3C2410 CPU PLL tables + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/list.h> +#include <linux/clk.h> +#include <linux/err.h> + +#include <plat/cpu.h> +#include <plat/cpu-freq-core.h> + +static struct cpufreq_frequency_table pll_vals_12MHz[] = { + { .frequency = 34000000, .driver_data = PLLVAL(82, 2, 3), }, + { .frequency = 45000000, .driver_data = PLLVAL(82, 1, 3), }, + { .frequency = 51000000, .driver_data = PLLVAL(161, 3, 3), }, + { .frequency = 48000000, .driver_data = PLLVAL(120, 2, 3), }, + { .frequency = 56000000, .driver_data = PLLVAL(142, 2, 3), }, + { .frequency = 68000000, .driver_data = PLLVAL(82, 2, 2), }, + { .frequency = 79000000, .driver_data = PLLVAL(71, 1, 2), }, + { .frequency = 85000000, .driver_data = PLLVAL(105, 2, 2), }, + { .frequency = 90000000, .driver_data = PLLVAL(112, 2, 2), }, + { .frequency = 101000000, .driver_data = PLLVAL(127, 2, 2), }, + { .frequency = 113000000, .driver_data = PLLVAL(105, 1, 2), }, + { .frequency = 118000000, .driver_data = PLLVAL(150, 2, 2), }, + { .frequency = 124000000, .driver_data = PLLVAL(116, 1, 2), }, + { .frequency = 135000000, .driver_data = PLLVAL(82, 2, 1), }, + { .frequency = 147000000, .driver_data = PLLVAL(90, 2, 1), }, + { .frequency = 152000000, .driver_data = PLLVAL(68, 1, 1), }, + { .frequency = 158000000, .driver_data = PLLVAL(71, 1, 1), }, + { .frequency = 170000000, .driver_data = PLLVAL(77, 1, 1), }, + { .frequency = 180000000, .driver_data = PLLVAL(82, 1, 1), }, + { .frequency = 186000000, .driver_data = PLLVAL(85, 1, 1), }, + { .frequency = 192000000, .driver_data = PLLVAL(88, 1, 1), }, + { .frequency = 203000000, .driver_data = PLLVAL(161, 3, 1), }, + + /* 2410A extras */ + + { .frequency = 210000000, .driver_data = PLLVAL(132, 2, 1), }, + { .frequency = 226000000, .driver_data = PLLVAL(105, 1, 1), }, + { .frequency = 266000000, .driver_data = PLLVAL(125, 1, 1), }, + { .frequency = 268000000, .driver_data = PLLVAL(126, 1, 1), }, + { .frequency = 270000000, .driver_data = PLLVAL(127, 1, 1), }, +}; + +static int s3c2410_plls_add(struct device *dev, struct subsys_interface *sif) +{ + return s3c_plltab_register(pll_vals_12MHz, ARRAY_SIZE(pll_vals_12MHz)); +} + +static struct subsys_interface s3c2410_plls_interface = { + .name = "s3c2410_plls", + .subsys = &s3c2410_subsys, + .add_dev = s3c2410_plls_add, +}; + +static int __init s3c2410_pll_init(void) +{ + return subsys_interface_register(&s3c2410_plls_interface); + +} +arch_initcall(s3c2410_pll_init); + +static struct subsys_interface s3c2410a_plls_interface = { + .name = "s3c2410a_plls", + .subsys = &s3c2410a_subsys, + .add_dev = s3c2410_plls_add, +}; + +static int __init s3c2410a_pll_init(void) +{ + return subsys_interface_register(&s3c2410a_plls_interface); +} +arch_initcall(s3c2410a_pll_init); diff --git a/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c b/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c new file mode 100644 index 00000000000..a19460e6e7b --- /dev/null +++ b/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c @@ -0,0 +1,98 @@ +/* + * Copyright (c) 2006-2007 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * Vincent Sanders <vince@arm.linux.org.uk> + * + * S3C2440/S3C2442 CPU PLL tables (12MHz Crystal) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/clk.h> +#include <linux/err.h> + +#include <plat/cpu.h> +#include <plat/cpu-freq-core.h> + +static struct cpufreq_frequency_table s3c2440_plls_12[] __initdata = { + { .frequency = 75000000, .driver_data = PLLVAL(0x75, 3, 3), }, /* FVco 600.000000 */ + { .frequency = 80000000, .driver_data = PLLVAL(0x98, 4, 3), }, /* FVco 640.000000 */ + { .frequency = 90000000, .driver_data = PLLVAL(0x70, 2, 3), }, /* FVco 720.000000 */ + { .frequency = 100000000, .driver_data = PLLVAL(0x5c, 1, 3), }, /* FVco 800.000000 */ + { .frequency = 110000000, .driver_data = PLLVAL(0x66, 1, 3), }, /* FVco 880.000000 */ + { .frequency = 120000000, .driver_data = PLLVAL(0x70, 1, 3), }, /* FVco 960.000000 */ + { .frequency = 150000000, .driver_data = PLLVAL(0x75, 3, 2), }, /* FVco 600.000000 */ + { .frequency = 160000000, .driver_data = PLLVAL(0x98, 4, 2), }, /* FVco 640.000000 */ + { .frequency = 170000000, .driver_data = PLLVAL(0x4d, 1, 2), }, /* FVco 680.000000 */ + { .frequency = 180000000, .driver_data = PLLVAL(0x70, 2, 2), }, /* FVco 720.000000 */ + { .frequency = 190000000, .driver_data = PLLVAL(0x57, 1, 2), }, /* FVco 760.000000 */ + { .frequency = 200000000, .driver_data = PLLVAL(0x5c, 1, 2), }, /* FVco 800.000000 */ + { .frequency = 210000000, .driver_data = PLLVAL(0x84, 2, 2), }, /* FVco 840.000000 */ + { .frequency = 220000000, .driver_data = PLLVAL(0x66, 1, 2), }, /* FVco 880.000000 */ + { .frequency = 230000000, .driver_data = PLLVAL(0x6b, 1, 2), }, /* FVco 920.000000 */ + { .frequency = 240000000, .driver_data = PLLVAL(0x70, 1, 2), }, /* FVco 960.000000 */ + { .frequency = 300000000, .driver_data = PLLVAL(0x75, 3, 1), }, /* FVco 600.000000 */ + { .frequency = 310000000, .driver_data = PLLVAL(0x93, 4, 1), }, /* FVco 620.000000 */ + { .frequency = 320000000, .driver_data = PLLVAL(0x98, 4, 1), }, /* FVco 640.000000 */ + { .frequency = 330000000, .driver_data = PLLVAL(0x66, 2, 1), }, /* FVco 660.000000 */ + { .frequency = 340000000, .driver_data = PLLVAL(0x4d, 1, 1), }, /* FVco 680.000000 */ + { .frequency = 350000000, .driver_data = PLLVAL(0xa7, 4, 1), }, /* FVco 700.000000 */ + { .frequency = 360000000, .driver_data = PLLVAL(0x70, 2, 1), }, /* FVco 720.000000 */ + { .frequency = 370000000, .driver_data = PLLVAL(0xb1, 4, 1), }, /* FVco 740.000000 */ + { .frequency = 380000000, .driver_data = PLLVAL(0x57, 1, 1), }, /* FVco 760.000000 */ + { .frequency = 390000000, .driver_data = PLLVAL(0x7a, 2, 1), }, /* FVco 780.000000 */ + { .frequency = 400000000, .driver_data = PLLVAL(0x5c, 1, 1), }, /* FVco 800.000000 */ +}; + +static int s3c2440_plls12_add(struct device *dev, struct subsys_interface *sif) +{ + struct clk *xtal_clk; + unsigned long xtal; + + xtal_clk = clk_get(NULL, "xtal"); + if (IS_ERR(xtal_clk)) + return PTR_ERR(xtal_clk); + + xtal = clk_get_rate(xtal_clk); + clk_put(xtal_clk); + + if (xtal == 12000000) { + printk(KERN_INFO "Using PLL table for 12MHz crystal\n"); + return s3c_plltab_register(s3c2440_plls_12, + ARRAY_SIZE(s3c2440_plls_12)); + } + + return 0; +} + +static struct subsys_interface s3c2440_plls12_interface = { + .name = "s3c2440_plls12", + .subsys = &s3c2440_subsys, + .add_dev = s3c2440_plls12_add, +}; + +static int __init s3c2440_pll_12mhz(void) +{ + return subsys_interface_register(&s3c2440_plls12_interface); + +} +arch_initcall(s3c2440_pll_12mhz); + +static struct subsys_interface s3c2442_plls12_interface = { + .name = "s3c2442_plls12", + .subsys = &s3c2442_subsys, + .add_dev = s3c2440_plls12_add, +}; + +static int __init s3c2442_pll_12mhz(void) +{ + return subsys_interface_register(&s3c2442_plls12_interface); + +} +arch_initcall(s3c2442_pll_12mhz); diff --git a/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c b/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c new file mode 100644 index 00000000000..1191b290562 --- /dev/null +++ b/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c @@ -0,0 +1,125 @@ +/* + * Copyright (c) 2006-2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * Vincent Sanders <vince@arm.linux.org.uk> + * + * S3C2440/S3C2442 CPU PLL tables (16.93444MHz Crystal) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/clk.h> +#include <linux/err.h> + +#include <plat/cpu.h> +#include <plat/cpu-freq-core.h> + +static struct cpufreq_frequency_table s3c2440_plls_169344[] __initdata = { + { .frequency = 78019200, .driver_data = PLLVAL(121, 5, 3), }, /* FVco 624.153600 */ + { .frequency = 84067200, .driver_data = PLLVAL(131, 5, 3), }, /* FVco 672.537600 */ + { .frequency = 90115200, .driver_data = PLLVAL(141, 5, 3), }, /* FVco 720.921600 */ + { .frequency = 96163200, .driver_data = PLLVAL(151, 5, 3), }, /* FVco 769.305600 */ + { .frequency = 102135600, .driver_data = PLLVAL(185, 6, 3), }, /* FVco 817.084800 */ + { .frequency = 108259200, .driver_data = PLLVAL(171, 5, 3), }, /* FVco 866.073600 */ + { .frequency = 114307200, .driver_data = PLLVAL(127, 3, 3), }, /* FVco 914.457600 */ + { .frequency = 120234240, .driver_data = PLLVAL(134, 3, 3), }, /* FVco 961.873920 */ + { .frequency = 126161280, .driver_data = PLLVAL(141, 3, 3), }, /* FVco 1009.290240 */ + { .frequency = 132088320, .driver_data = PLLVAL(148, 3, 3), }, /* FVco 1056.706560 */ + { .frequency = 138015360, .driver_data = PLLVAL(155, 3, 3), }, /* FVco 1104.122880 */ + { .frequency = 144789120, .driver_data = PLLVAL(163, 3, 3), }, /* FVco 1158.312960 */ + { .frequency = 150100363, .driver_data = PLLVAL(187, 9, 2), }, /* FVco 600.401454 */ + { .frequency = 156038400, .driver_data = PLLVAL(121, 5, 2), }, /* FVco 624.153600 */ + { .frequency = 162086400, .driver_data = PLLVAL(126, 5, 2), }, /* FVco 648.345600 */ + { .frequency = 168134400, .driver_data = PLLVAL(131, 5, 2), }, /* FVco 672.537600 */ + { .frequency = 174048000, .driver_data = PLLVAL(177, 7, 2), }, /* FVco 696.192000 */ + { .frequency = 180230400, .driver_data = PLLVAL(141, 5, 2), }, /* FVco 720.921600 */ + { .frequency = 186278400, .driver_data = PLLVAL(124, 4, 2), }, /* FVco 745.113600 */ + { .frequency = 192326400, .driver_data = PLLVAL(151, 5, 2), }, /* FVco 769.305600 */ + { .frequency = 198132480, .driver_data = PLLVAL(109, 3, 2), }, /* FVco 792.529920 */ + { .frequency = 204271200, .driver_data = PLLVAL(185, 6, 2), }, /* FVco 817.084800 */ + { .frequency = 210268800, .driver_data = PLLVAL(141, 4, 2), }, /* FVco 841.075200 */ + { .frequency = 216518400, .driver_data = PLLVAL(171, 5, 2), }, /* FVco 866.073600 */ + { .frequency = 222264000, .driver_data = PLLVAL(97, 2, 2), }, /* FVco 889.056000 */ + { .frequency = 228614400, .driver_data = PLLVAL(127, 3, 2), }, /* FVco 914.457600 */ + { .frequency = 234259200, .driver_data = PLLVAL(158, 4, 2), }, /* FVco 937.036800 */ + { .frequency = 240468480, .driver_data = PLLVAL(134, 3, 2), }, /* FVco 961.873920 */ + { .frequency = 246960000, .driver_data = PLLVAL(167, 4, 2), }, /* FVco 987.840000 */ + { .frequency = 252322560, .driver_data = PLLVAL(141, 3, 2), }, /* FVco 1009.290240 */ + { .frequency = 258249600, .driver_data = PLLVAL(114, 2, 2), }, /* FVco 1032.998400 */ + { .frequency = 264176640, .driver_data = PLLVAL(148, 3, 2), }, /* FVco 1056.706560 */ + { .frequency = 270950400, .driver_data = PLLVAL(120, 2, 2), }, /* FVco 1083.801600 */ + { .frequency = 276030720, .driver_data = PLLVAL(155, 3, 2), }, /* FVco 1104.122880 */ + { .frequency = 282240000, .driver_data = PLLVAL(92, 1, 2), }, /* FVco 1128.960000 */ + { .frequency = 289578240, .driver_data = PLLVAL(163, 3, 2), }, /* FVco 1158.312960 */ + { .frequency = 294235200, .driver_data = PLLVAL(131, 2, 2), }, /* FVco 1176.940800 */ + { .frequency = 300200727, .driver_data = PLLVAL(187, 9, 1), }, /* FVco 600.401454 */ + { .frequency = 306358690, .driver_data = PLLVAL(191, 9, 1), }, /* FVco 612.717380 */ + { .frequency = 312076800, .driver_data = PLLVAL(121, 5, 1), }, /* FVco 624.153600 */ + { .frequency = 318366720, .driver_data = PLLVAL(86, 3, 1), }, /* FVco 636.733440 */ + { .frequency = 324172800, .driver_data = PLLVAL(126, 5, 1), }, /* FVco 648.345600 */ + { .frequency = 330220800, .driver_data = PLLVAL(109, 4, 1), }, /* FVco 660.441600 */ + { .frequency = 336268800, .driver_data = PLLVAL(131, 5, 1), }, /* FVco 672.537600 */ + { .frequency = 342074880, .driver_data = PLLVAL(93, 3, 1), }, /* FVco 684.149760 */ + { .frequency = 348096000, .driver_data = PLLVAL(177, 7, 1), }, /* FVco 696.192000 */ + { .frequency = 355622400, .driver_data = PLLVAL(118, 4, 1), }, /* FVco 711.244800 */ + { .frequency = 360460800, .driver_data = PLLVAL(141, 5, 1), }, /* FVco 720.921600 */ + { .frequency = 366206400, .driver_data = PLLVAL(165, 6, 1), }, /* FVco 732.412800 */ + { .frequency = 372556800, .driver_data = PLLVAL(124, 4, 1), }, /* FVco 745.113600 */ + { .frequency = 378201600, .driver_data = PLLVAL(126, 4, 1), }, /* FVco 756.403200 */ + { .frequency = 384652800, .driver_data = PLLVAL(151, 5, 1), }, /* FVco 769.305600 */ + { .frequency = 391608000, .driver_data = PLLVAL(177, 6, 1), }, /* FVco 783.216000 */ + { .frequency = 396264960, .driver_data = PLLVAL(109, 3, 1), }, /* FVco 792.529920 */ + { .frequency = 402192000, .driver_data = PLLVAL(87, 2, 1), }, /* FVco 804.384000 */ +}; + +static int s3c2440_plls169344_add(struct device *dev, + struct subsys_interface *sif) +{ + struct clk *xtal_clk; + unsigned long xtal; + + xtal_clk = clk_get(NULL, "xtal"); + if (IS_ERR(xtal_clk)) + return PTR_ERR(xtal_clk); + + xtal = clk_get_rate(xtal_clk); + clk_put(xtal_clk); + + if (xtal == 169344000) { + printk(KERN_INFO "Using PLL table for 16.9344MHz crystal\n"); + return s3c_plltab_register(s3c2440_plls_169344, + ARRAY_SIZE(s3c2440_plls_169344)); + } + + return 0; +} + +static struct subsys_interface s3c2440_plls169344_interface = { + .name = "s3c2440_plls169344", + .subsys = &s3c2440_subsys, + .add_dev = s3c2440_plls169344_add, +}; + +static int __init s3c2440_pll_16934400(void) +{ + return subsys_interface_register(&s3c2440_plls169344_interface); +} +arch_initcall(s3c2440_pll_16934400); + +static struct subsys_interface s3c2442_plls169344_interface = { + .name = "s3c2442_plls169344", + .subsys = &s3c2442_subsys, + .add_dev = s3c2440_plls169344_add, +}; + +static int __init s3c2442_pll_16934400(void) +{ + return subsys_interface_register(&s3c2442_plls169344_interface); +} +arch_initcall(s3c2442_pll_16934400); diff --git a/arch/arm/mach-s3c24xx/pm-h1940.S b/arch/arm/mach-s3c24xx/pm-h1940.S new file mode 100644 index 00000000000..6183a688012 --- /dev/null +++ b/arch/arm/mach-s3c24xx/pm-h1940.S @@ -0,0 +1,33 @@ +/* linux/arch/arm/mach-s3c2410/pm-h1940.S + * + * Copyright (c) 2006 Ben Dooks <ben-linux@fluff.org> + * + * H1940 Suspend to RAM + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <linux/linkage.h> +#include <asm/assembler.h> +#include <mach/hardware.h> +#include <mach/map.h> + +#include <mach/regs-gpio.h> + + .text + .global h1940_pm_return + +h1940_pm_return: + mov r0, #S3C2410_PA_GPIO + ldr pc, [r0, #S3C2410_GSTATUS3 - S3C24XX_VA_GPIO] diff --git a/arch/arm/mach-s3c24xx/pm-s3c2410.c b/arch/arm/mach-s3c24xx/pm-s3c2410.c new file mode 100644 index 00000000000..20e481d8a33 --- /dev/null +++ b/arch/arm/mach-s3c24xx/pm-s3c2410.c @@ -0,0 +1,186 @@ +/* linux/arch/arm/mach-s3c2410/pm.c + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 (and compatible) Power Manager (Suspend-To-RAM) support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <linux/init.h> +#include <linux/suspend.h> +#include <linux/errno.h> +#include <linux/time.h> +#include <linux/device.h> +#include <linux/syscore_ops.h> +#include <linux/gpio.h> +#include <linux/io.h> + +#include <asm/mach-types.h> + +#include <mach/hardware.h> +#include <mach/regs-gpio.h> +#include <mach/gpio-samsung.h> + +#include <plat/gpio-cfg.h> +#include <plat/cpu.h> +#include <plat/pm.h> + +#include "h1940.h" + +static void s3c2410_pm_prepare(void) +{ + /* ensure at least GSTATUS3 has the resume address */ + + __raw_writel(virt_to_phys(s3c_cpu_resume), S3C2410_GSTATUS3); + + S3C_PMDBG("GSTATUS3 0x%08x\n", __raw_readl(S3C2410_GSTATUS3)); + S3C_PMDBG("GSTATUS4 0x%08x\n", __raw_readl(S3C2410_GSTATUS4)); + + if (machine_is_h1940()) { + void *base = phys_to_virt(H1940_SUSPEND_CHECK); + unsigned long ptr; + unsigned long calc = 0; + + /* generate check for the bootloader to check on resume */ + + for (ptr = 0; ptr < 0x40000; ptr += 0x400) + calc += __raw_readl(base+ptr); + + __raw_writel(calc, phys_to_virt(H1940_SUSPEND_CHECKSUM)); + } + + /* RX3715 and RX1950 use similar to H1940 code and the + * same offsets for resume and checksum pointers */ + + if (machine_is_rx3715() || machine_is_rx1950()) { + void *base = phys_to_virt(H1940_SUSPEND_CHECK); + unsigned long ptr; + unsigned long calc = 0; + + /* generate check for the bootloader to check on resume */ + + for (ptr = 0; ptr < 0x40000; ptr += 0x4) + calc += __raw_readl(base+ptr); + + __raw_writel(calc, phys_to_virt(H1940_SUSPEND_CHECKSUM)); + } + + if (machine_is_aml_m5900()) { + gpio_request_one(S3C2410_GPF(2), GPIOF_OUT_INIT_HIGH, NULL); + gpio_free(S3C2410_GPF(2)); + } + + if (machine_is_rx1950()) { + /* According to S3C2442 user's manual, page 7-17, + * when the system is operating in NAND boot mode, + * the hardware pin configuration - EINT[23:21] – + * must be set as input for starting up after + * wakeup from sleep mode + */ + s3c_gpio_cfgpin(S3C2410_GPG(13), S3C2410_GPIO_INPUT); + s3c_gpio_cfgpin(S3C2410_GPG(14), S3C2410_GPIO_INPUT); + s3c_gpio_cfgpin(S3C2410_GPG(15), S3C2410_GPIO_INPUT); + } +} + +static void s3c2410_pm_resume(void) +{ + unsigned long tmp; + + /* unset the return-from-sleep flag, to ensure reset */ + + tmp = __raw_readl(S3C2410_GSTATUS2); + tmp &= S3C2410_GSTATUS2_OFFRESET; + __raw_writel(tmp, S3C2410_GSTATUS2); + + if (machine_is_aml_m5900()) { + gpio_request_one(S3C2410_GPF(2), GPIOF_OUT_INIT_LOW, NULL); + gpio_free(S3C2410_GPF(2)); + } +} + +struct syscore_ops s3c2410_pm_syscore_ops = { + .resume = s3c2410_pm_resume, +}; + +static int s3c2410_pm_add(struct device *dev, struct subsys_interface *sif) +{ + pm_cpu_prep = s3c2410_pm_prepare; + pm_cpu_sleep = s3c2410_cpu_suspend; + + return 0; +} + +#if defined(CONFIG_CPU_S3C2410) +static struct subsys_interface s3c2410_pm_interface = { + .name = "s3c2410_pm", + .subsys = &s3c2410_subsys, + .add_dev = s3c2410_pm_add, +}; + +/* register ourselves */ + +static int __init s3c2410_pm_drvinit(void) +{ + return subsys_interface_register(&s3c2410_pm_interface); +} + +arch_initcall(s3c2410_pm_drvinit); + +static struct subsys_interface s3c2410a_pm_interface = { + .name = "s3c2410a_pm", + .subsys = &s3c2410a_subsys, + .add_dev = s3c2410_pm_add, +}; + +static int __init s3c2410a_pm_drvinit(void) +{ + return subsys_interface_register(&s3c2410a_pm_interface); +} + +arch_initcall(s3c2410a_pm_drvinit); +#endif + +#if defined(CONFIG_CPU_S3C2440) +static struct subsys_interface s3c2440_pm_interface = { + .name = "s3c2440_pm", + .subsys = &s3c2440_subsys, + .add_dev = s3c2410_pm_add, +}; + +static int __init s3c2440_pm_drvinit(void) +{ + return subsys_interface_register(&s3c2440_pm_interface); +} + +arch_initcall(s3c2440_pm_drvinit); +#endif + +#if defined(CONFIG_CPU_S3C2442) +static struct subsys_interface s3c2442_pm_interface = { + .name = "s3c2442_pm", + .subsys = &s3c2442_subsys, + .add_dev = s3c2410_pm_add, +}; + +static int __init s3c2442_pm_drvinit(void) +{ + return subsys_interface_register(&s3c2442_pm_interface); +} + +arch_initcall(s3c2442_pm_drvinit); +#endif diff --git a/arch/arm/mach-s3c24xx/pm-s3c2412.c b/arch/arm/mach-s3c24xx/pm-s3c2412.c new file mode 100644 index 00000000000..d75f95e487e --- /dev/null +++ b/arch/arm/mach-s3c24xx/pm-s3c2412.c @@ -0,0 +1,131 @@ +/* linux/arch/arm/mach-s3c2412/pm.c + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * http://armlinux.simtec.co.uk/. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/syscore_ops.h> +#include <linux/platform_device.h> +#include <linux/io.h> + +#include <asm/cacheflush.h> +#include <asm/irq.h> + +#include <mach/hardware.h> +#include <mach/regs-gpio.h> + +#include <plat/cpu.h> +#include <plat/pm.h> +#include <plat/wakeup-mask.h> + +#include "regs-dsc.h" +#include "s3c2412-power.h" + +extern void s3c2412_sleep_enter(void); + +static int s3c2412_cpu_suspend(unsigned long arg) +{ + unsigned long tmp; + + /* set our standby method to sleep */ + + tmp = __raw_readl(S3C2412_PWRCFG); + tmp |= S3C2412_PWRCFG_STANDBYWFI_SLEEP; + __raw_writel(tmp, S3C2412_PWRCFG); + + s3c2412_sleep_enter(); + + pr_info("Failed to suspend the system\n"); + return 1; /* Aborting suspend */ +} + +/* mapping of interrupts to parts of the wakeup mask */ +static struct samsung_wakeup_mask wake_irqs[] = { + { .irq = IRQ_RTC, .bit = S3C2412_PWRCFG_RTC_MASKIRQ, }, +}; + +static void s3c2412_pm_prepare(void) +{ + samsung_sync_wakemask(S3C2412_PWRCFG, + wake_irqs, ARRAY_SIZE(wake_irqs)); +} + +static int s3c2412_pm_add(struct device *dev, struct subsys_interface *sif) +{ + pm_cpu_prep = s3c2412_pm_prepare; + pm_cpu_sleep = s3c2412_cpu_suspend; + + return 0; +} + +static struct sleep_save s3c2412_sleep[] = { + SAVE_ITEM(S3C2412_DSC0), + SAVE_ITEM(S3C2412_DSC1), + SAVE_ITEM(S3C2413_GPJDAT), + SAVE_ITEM(S3C2413_GPJCON), + SAVE_ITEM(S3C2413_GPJUP), + + /* save the PWRCFG to get back to original sleep method */ + + SAVE_ITEM(S3C2412_PWRCFG), + + /* save the sleep configuration anyway, just in case these + * get damaged during wakeup */ + + SAVE_ITEM(S3C2412_GPBSLPCON), + SAVE_ITEM(S3C2412_GPCSLPCON), + SAVE_ITEM(S3C2412_GPDSLPCON), + SAVE_ITEM(S3C2412_GPFSLPCON), + SAVE_ITEM(S3C2412_GPGSLPCON), + SAVE_ITEM(S3C2412_GPHSLPCON), + SAVE_ITEM(S3C2413_GPJSLPCON), +}; + +static struct subsys_interface s3c2412_pm_interface = { + .name = "s3c2412_pm", + .subsys = &s3c2412_subsys, + .add_dev = s3c2412_pm_add, +}; + +static __init int s3c2412_pm_init(void) +{ + return subsys_interface_register(&s3c2412_pm_interface); +} + +arch_initcall(s3c2412_pm_init); + +static int s3c2412_pm_suspend(void) +{ + s3c_pm_do_save(s3c2412_sleep, ARRAY_SIZE(s3c2412_sleep)); + return 0; +} + +static void s3c2412_pm_resume(void) +{ + unsigned long tmp; + + tmp = __raw_readl(S3C2412_PWRCFG); + tmp &= ~S3C2412_PWRCFG_STANDBYWFI_MASK; + tmp |= S3C2412_PWRCFG_STANDBYWFI_IDLE; + __raw_writel(tmp, S3C2412_PWRCFG); + + s3c_pm_do_restore(s3c2412_sleep, ARRAY_SIZE(s3c2412_sleep)); +} + +struct syscore_ops s3c2412_pm_syscore_ops = { + .suspend = s3c2412_pm_suspend, + .resume = s3c2412_pm_resume, +}; diff --git a/arch/arm/mach-s3c24xx/pm-s3c2416.c b/arch/arm/mach-s3c24xx/pm-s3c2416.c new file mode 100644 index 00000000000..44923895f55 --- /dev/null +++ b/arch/arm/mach-s3c24xx/pm-s3c2416.c @@ -0,0 +1,85 @@ +/* linux/arch/arm/mach-s3c2416/pm.c + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * S3C2416 - PM support (Based on Ben Dooks' S3C2412 PM support) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/device.h> +#include <linux/syscore_ops.h> +#include <linux/io.h> + +#include <asm/cacheflush.h> + +#include <mach/regs-s3c2443-clock.h> + +#include <plat/cpu.h> +#include <plat/pm.h> + +#include "s3c2412-power.h" + +extern void s3c2412_sleep_enter(void); + +static int s3c2416_cpu_suspend(unsigned long arg) +{ + /* enable wakeup sources regardless of battery state */ + __raw_writel(S3C2443_PWRCFG_SLEEP, S3C2443_PWRCFG); + + /* set the mode as sleep, 2BED represents "Go to BED" */ + __raw_writel(0x2BED, S3C2443_PWRMODE); + + s3c2412_sleep_enter(); + + pr_info("Failed to suspend the system\n"); + return 1; /* Aborting suspend */ +} + +static void s3c2416_pm_prepare(void) +{ + /* + * write the magic value u-boot uses to check for resume into + * the INFORM0 register, and ensure INFORM1 is set to the + * correct address to resume from. + */ + __raw_writel(0x2BED, S3C2412_INFORM0); + __raw_writel(virt_to_phys(s3c_cpu_resume), S3C2412_INFORM1); +} + +static int s3c2416_pm_add(struct device *dev, struct subsys_interface *sif) +{ + pm_cpu_prep = s3c2416_pm_prepare; + pm_cpu_sleep = s3c2416_cpu_suspend; + + return 0; +} + +static struct subsys_interface s3c2416_pm_interface = { + .name = "s3c2416_pm", + .subsys = &s3c2416_subsys, + .add_dev = s3c2416_pm_add, +}; + +static __init int s3c2416_pm_init(void) +{ + return subsys_interface_register(&s3c2416_pm_interface); +} + +arch_initcall(s3c2416_pm_init); + + +static void s3c2416_pm_resume(void) +{ + /* unset the return-from-sleep amd inform flags */ + __raw_writel(0x0, S3C2443_PWRMODE); + __raw_writel(0x0, S3C2412_INFORM0); + __raw_writel(0x0, S3C2412_INFORM1); +} + +struct syscore_ops s3c2416_pm_syscore_ops = { + .resume = s3c2416_pm_resume, +}; diff --git a/arch/arm/mach-s3c24xx/pm.c b/arch/arm/mach-s3c24xx/pm.c new file mode 100644 index 00000000000..b19256ec8d4 --- /dev/null +++ b/arch/arm/mach-s3c24xx/pm.c @@ -0,0 +1,134 @@ +/* linux/arch/arm/plat-s3c24xx/pm.c + * + * Copyright (c) 2004-2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C24XX Power Manager (Suspend-To-RAM) support + * + * See Documentation/arm/Samsung-S3C24XX/Suspend.txt for more information + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Parts based on arch/arm/mach-pxa/pm.c + * + * Thanks to Dimitry Andric for debugging +*/ + +#include <linux/init.h> +#include <linux/suspend.h> +#include <linux/errno.h> +#include <linux/time.h> +#include <linux/gpio.h> +#include <linux/interrupt.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/io.h> + +#include <mach/regs-clock.h> +#include <mach/regs-gpio.h> +#include <mach/regs-irq.h> +#include <mach/gpio-samsung.h> + +#include <asm/mach/time.h> + +#include <plat/gpio-cfg.h> +#include <plat/pm.h> + +#include "regs-mem.h" + +#define PFX "s3c24xx-pm: " + +static struct sleep_save core_save[] = { + /* we restore the timings here, with the proviso that the board + * brings the system up in an slower, or equal frequency setting + * to the original system. + * + * if we cannot guarantee this, then things are going to go very + * wrong here, as we modify the refresh and both pll settings. + */ + + SAVE_ITEM(S3C2410_BWSCON), + SAVE_ITEM(S3C2410_BANKCON0), + SAVE_ITEM(S3C2410_BANKCON1), + SAVE_ITEM(S3C2410_BANKCON2), + SAVE_ITEM(S3C2410_BANKCON3), + SAVE_ITEM(S3C2410_BANKCON4), + SAVE_ITEM(S3C2410_BANKCON5), +}; + +/* s3c_pm_check_resume_pin + * + * check to see if the pin is configured correctly for sleep mode, and + * make any necessary adjustments if it is not +*/ + +static void s3c_pm_check_resume_pin(unsigned int pin, unsigned int irqoffs) +{ + unsigned long irqstate; + unsigned long pinstate; + int irq = gpio_to_irq(pin); + + if (irqoffs < 4) + irqstate = s3c_irqwake_intmask & (1L<<irqoffs); + else + irqstate = s3c_irqwake_eintmask & (1L<<irqoffs); + + pinstate = s3c_gpio_getcfg(pin); + + if (!irqstate) { + if (pinstate == S3C2410_GPIO_IRQ) + S3C_PMDBG("Leaving IRQ %d (pin %d) as is\n", irq, pin); + } else { + if (pinstate == S3C2410_GPIO_IRQ) { + S3C_PMDBG("Disabling IRQ %d (pin %d)\n", irq, pin); + s3c_gpio_cfgpin(pin, S3C2410_GPIO_INPUT); + } + } +} + +/* s3c_pm_configure_extint + * + * configure all external interrupt pins +*/ + +void s3c_pm_configure_extint(void) +{ + int pin; + + /* for each of the external interrupts (EINT0..EINT15) we + * need to check whether it is an external interrupt source, + * and then configure it as an input if it is not + */ + + for (pin = S3C2410_GPF(0); pin <= S3C2410_GPF(7); pin++) { + s3c_pm_check_resume_pin(pin, pin - S3C2410_GPF(0)); + } + + for (pin = S3C2410_GPG(0); pin <= S3C2410_GPG(7); pin++) { + s3c_pm_check_resume_pin(pin, (pin - S3C2410_GPG(0))+8); + } +} + + +void s3c_pm_restore_core(void) +{ + s3c_pm_do_restore_core(core_save, ARRAY_SIZE(core_save)); +} + +void s3c_pm_save_core(void) +{ + s3c_pm_do_save(core_save, ARRAY_SIZE(core_save)); +} + diff --git a/arch/arm/mach-s3c24xx/regs-dsc.h b/arch/arm/mach-s3c24xx/regs-dsc.h new file mode 100644 index 00000000000..61b3d1387d7 --- /dev/null +++ b/arch/arm/mach-s3c24xx/regs-dsc.h @@ -0,0 +1,25 @@ +/* + * Copyright (c) 2004 Simtec Electronics <linux@simtec.co.uk> + * http://www.simtec.co.uk/products/SWLINUX/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * S3C2440/S3C2412 Signal Drive Strength Control +*/ + + +#ifndef __ASM_ARCH_REGS_DSC_H +#define __ASM_ARCH_REGS_DSC_H __FILE__ + +/* S3C2412 */ +#define S3C2412_DSC0 S3C2410_GPIOREG(0xdc) +#define S3C2412_DSC1 S3C2410_GPIOREG(0xe0) + +/* S3C2440 */ +#define S3C2440_DSC0 S3C2410_GPIOREG(0xc4) +#define S3C2440_DSC1 S3C2410_GPIOREG(0xc8) + +#endif /* __ASM_ARCH_REGS_DSC_H */ + diff --git a/arch/arm/mach-s3c24xx/regs-mem.h b/arch/arm/mach-s3c24xx/regs-mem.h new file mode 100644 index 00000000000..86b1258368c --- /dev/null +++ b/arch/arm/mach-s3c24xx/regs-mem.h @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2004 Simtec Electronics <linux@simtec.co.uk> + * http://www.simtec.co.uk/products/SWLINUX/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * S3C2410 Memory Control register definitions + */ + +#ifndef __ARCH_ARM_MACH_S3C24XX_REGS_MEM_H +#define __ARCH_ARM_MACH_S3C24XX_REGS_MEM_H __FILE__ + +#define S3C2410_MEMREG(x) (S3C24XX_VA_MEMCTRL + (x)) + +#define S3C2410_BWSCON S3C2410_MEMREG(0x00) +#define S3C2410_BANKCON0 S3C2410_MEMREG(0x04) +#define S3C2410_BANKCON1 S3C2410_MEMREG(0x08) +#define S3C2410_BANKCON2 S3C2410_MEMREG(0x0C) +#define S3C2410_BANKCON3 S3C2410_MEMREG(0x10) +#define S3C2410_BANKCON4 S3C2410_MEMREG(0x14) +#define S3C2410_BANKCON5 S3C2410_MEMREG(0x18) +#define S3C2410_BANKCON6 S3C2410_MEMREG(0x1C) +#define S3C2410_BANKCON7 S3C2410_MEMREG(0x20) +#define S3C2410_REFRESH S3C2410_MEMREG(0x24) +#define S3C2410_BANKSIZE S3C2410_MEMREG(0x28) + +#define S3C2410_BWSCON_ST1 (1 << 7) +#define S3C2410_BWSCON_ST2 (1 << 11) +#define S3C2410_BWSCON_ST3 (1 << 15) +#define S3C2410_BWSCON_ST4 (1 << 19) +#define S3C2410_BWSCON_ST5 (1 << 23) + +#define S3C2410_BWSCON_GET(_bwscon, _bank) (((_bwscon) >> ((_bank) * 4)) & 0xf) + +#define S3C2410_BWSCON_WS (1 << 2) + +#define S3C2410_BANKCON_PMC16 (0x3) + +#define S3C2410_BANKCON_Tacp_SHIFT (2) +#define S3C2410_BANKCON_Tcah_SHIFT (4) +#define S3C2410_BANKCON_Tcoh_SHIFT (6) +#define S3C2410_BANKCON_Tacc_SHIFT (8) +#define S3C2410_BANKCON_Tcos_SHIFT (11) +#define S3C2410_BANKCON_Tacs_SHIFT (13) + +#define S3C2410_BANKCON_SDRAM (0x3 << 15) + +#define S3C2410_REFRESH_SELF (1 << 22) + +#define S3C2410_BANKSIZE_MASK (0x7 << 0) + +#endif /* __ARCH_ARM_MACH_S3C24XX_REGS_MEM_H */ diff --git a/arch/arm/mach-s3c24xx/s3c2410.c b/arch/arm/mach-s3c24xx/s3c2410.c new file mode 100644 index 00000000000..7eab8882988 --- /dev/null +++ b/arch/arm/mach-s3c24xx/s3c2410.c @@ -0,0 +1,155 @@ +/* linux/arch/arm/mach-s3c2410/s3c2410.c + * + * Copyright (c) 2003-2005 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * http://www.simtec.co.uk/products/EB2410ITX/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/clk.h> +#include <linux/device.h> +#include <linux/syscore_ops.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/reboot.h> +#include <linux/io.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <mach/gpio-samsung.h> +#include <asm/irq.h> +#include <asm/system_misc.h> + +#include <plat/cpu-freq.h> + +#include <mach/regs-clock.h> + +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/clock.h> +#include <plat/pll.h> +#include <plat/pm.h> +#include <plat/watchdog-reset.h> + +#include <plat/gpio-core.h> +#include <plat/gpio-cfg.h> +#include <plat/gpio-cfg-helpers.h> + +#include "common.h" + +/* Initial IO mappings */ + +static struct map_desc s3c2410_iodesc[] __initdata = { + IODESC_ENT(CLKPWR), + IODESC_ENT(TIMER), + IODESC_ENT(WATCHDOG), +}; + +/* our uart devices */ + +/* uart registration process */ + +void __init s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no) +{ + s3c24xx_init_uartdevs("s3c2410-uart", s3c2410_uart_resources, cfg, no); +} + +/* s3c2410_map_io + * + * register the standard cpu IO areas, and any passed in from the + * machine specific initialisation. +*/ + +void __init s3c2410_map_io(void) +{ + s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up; + s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up; + + iotable_init(s3c2410_iodesc, ARRAY_SIZE(s3c2410_iodesc)); +} + +void __init_or_cpufreq s3c2410_setup_clocks(void) +{ +} + +struct bus_type s3c2410_subsys = { + .name = "s3c2410-core", + .dev_name = "s3c2410-core", +}; + +/* Note, we would have liked to name this s3c2410-core, but we cannot + * register two subsystems with the same name. + */ +struct bus_type s3c2410a_subsys = { + .name = "s3c2410a-core", + .dev_name = "s3c2410a-core", +}; + +static struct device s3c2410_dev = { + .bus = &s3c2410_subsys, +}; + +/* need to register the subsystem before we actually register the device, and + * we also need to ensure that it has been initialised before any of the + * drivers even try to use it (even if not on an s3c2410 based system) + * as a driver which may support both 2410 and 2440 may try and use it. +*/ + +static int __init s3c2410_core_init(void) +{ + return subsys_system_register(&s3c2410_subsys, NULL); +} + +core_initcall(s3c2410_core_init); + +static int __init s3c2410a_core_init(void) +{ + return subsys_system_register(&s3c2410a_subsys, NULL); +} + +core_initcall(s3c2410a_core_init); + +int __init s3c2410_init(void) +{ + printk("S3C2410: Initialising architecture\n"); + +#ifdef CONFIG_PM + register_syscore_ops(&s3c2410_pm_syscore_ops); + register_syscore_ops(&s3c24xx_irq_syscore_ops); +#endif + + return device_register(&s3c2410_dev); +} + +int __init s3c2410a_init(void) +{ + s3c2410_dev.bus = &s3c2410a_subsys; + return s3c2410_init(); +} + +void s3c2410_restart(enum reboot_mode mode, const char *cmd) +{ + if (mode == REBOOT_SOFT) { + soft_restart(0); + } + + samsung_wdt_reset(); + + /* we'll take a jump through zero as a poor second */ + soft_restart(0); +} diff --git a/arch/arm/mach-s3c24xx/s3c2412-power.h b/arch/arm/mach-s3c24xx/s3c2412-power.h new file mode 100644 index 00000000000..1b02c5ddb31 --- /dev/null +++ b/arch/arm/mach-s3c24xx/s3c2412-power.h @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2003-2006 Simtec Electronics <linux@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ARCH_ARM_MACH_S3C24XX_S3C2412_POWER_H +#define __ARCH_ARM_MACH_S3C24XX_S3C2412_POWER_H __FILE__ + +#define S3C24XX_PWRREG(x) ((x) + S3C24XX_VA_CLKPWR) + +#define S3C2412_PWRMODECON S3C24XX_PWRREG(0x20) +#define S3C2412_PWRCFG S3C24XX_PWRREG(0x24) + +#define S3C2412_INFORM0 S3C24XX_PWRREG(0x70) +#define S3C2412_INFORM1 S3C24XX_PWRREG(0x74) +#define S3C2412_INFORM2 S3C24XX_PWRREG(0x78) +#define S3C2412_INFORM3 S3C24XX_PWRREG(0x7C) + +#define S3C2412_PWRCFG_BATF_IRQ (1 << 0) +#define S3C2412_PWRCFG_BATF_IGNORE (2 << 0) +#define S3C2412_PWRCFG_BATF_SLEEP (3 << 0) +#define S3C2412_PWRCFG_BATF_MASK (3 << 0) + +#define S3C2412_PWRCFG_STANDBYWFI_IGNORE (0 << 6) +#define S3C2412_PWRCFG_STANDBYWFI_IDLE (1 << 6) +#define S3C2412_PWRCFG_STANDBYWFI_STOP (2 << 6) +#define S3C2412_PWRCFG_STANDBYWFI_SLEEP (3 << 6) +#define S3C2412_PWRCFG_STANDBYWFI_MASK (3 << 6) + +#define S3C2412_PWRCFG_RTC_MASKIRQ (1 << 8) +#define S3C2412_PWRCFG_NAND_NORST (1 << 9) + +#endif /* __ARCH_ARM_MACH_S3C24XX_S3C2412_POWER_H */ diff --git a/arch/arm/mach-s3c24xx/s3c2412.c b/arch/arm/mach-s3c24xx/s3c2412.c new file mode 100644 index 00000000000..d49f52fbc84 --- /dev/null +++ b/arch/arm/mach-s3c24xx/s3c2412.c @@ -0,0 +1,210 @@ +/* + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * http://armlinux.simtec.co.uk/. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/syscore_ops.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/reboot.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/proc-fns.h> +#include <asm/irq.h> +#include <asm/system_misc.h> + +#include <mach/hardware.h> +#include <mach/regs-clock.h> +#include <mach/regs-gpio.h> + +#include <plat/clock.h> +#include <plat/cpu.h> +#include <plat/cpu-freq.h> +#include <plat/devs.h> +#include <plat/nand-core.h> +#include <plat/pll.h> +#include <plat/pm.h> +#include <plat/regs-spi.h> + +#include "common.h" +#include "regs-dsc.h" +#include "s3c2412-power.h" + +#define S3C2412_SWRST (S3C24XX_VA_CLKPWR + 0x30) +#define S3C2412_SWRST_RESET (0x533C2412) + +#ifndef CONFIG_CPU_S3C2412_ONLY +void __iomem *s3c24xx_va_gpio2 = S3C24XX_VA_GPIO; + +static inline void s3c2412_init_gpio2(void) +{ + s3c24xx_va_gpio2 = S3C24XX_VA_GPIO + 0x10; +} +#else +#define s3c2412_init_gpio2() do { } while(0) +#endif + +/* Initial IO mappings */ + +static struct map_desc s3c2412_iodesc[] __initdata = { + IODESC_ENT(CLKPWR), + IODESC_ENT(TIMER), + IODESC_ENT(WATCHDOG), + { + .virtual = (unsigned long)S3C2412_VA_SSMC, + .pfn = __phys_to_pfn(S3C2412_PA_SSMC), + .length = SZ_1M, + .type = MT_DEVICE, + }, + { + .virtual = (unsigned long)S3C2412_VA_EBI, + .pfn = __phys_to_pfn(S3C2412_PA_EBI), + .length = SZ_1M, + .type = MT_DEVICE, + }, +}; + +/* uart registration process */ + +void __init s3c2412_init_uarts(struct s3c2410_uartcfg *cfg, int no) +{ + s3c24xx_init_uartdevs("s3c2412-uart", s3c2410_uart_resources, cfg, no); + + /* rename devices that are s3c2412/s3c2413 specific */ + s3c_device_sdi.name = "s3c2412-sdi"; + s3c_device_lcd.name = "s3c2412-lcd"; + s3c_nand_setname("s3c2412-nand"); + + /* alter IRQ of SDI controller */ + + s3c_device_sdi.resource[1].start = IRQ_S3C2412_SDI; + s3c_device_sdi.resource[1].end = IRQ_S3C2412_SDI; + + /* spi channel related changes, s3c2412/13 specific */ + s3c_device_spi0.name = "s3c2412-spi"; + s3c_device_spi0.resource[0].end = S3C24XX_PA_SPI + 0x24; + s3c_device_spi1.name = "s3c2412-spi"; + s3c_device_spi1.resource[0].start = S3C24XX_PA_SPI + S3C2412_SPI1; + s3c_device_spi1.resource[0].end = S3C24XX_PA_SPI + S3C2412_SPI1 + 0x24; + +} + +/* s3c2412_idle + * + * use the standard idle call by ensuring the idle mode + * in power config, then issuing the idle co-processor + * instruction +*/ + +static void s3c2412_idle(void) +{ + unsigned long tmp; + + /* ensure our idle mode is to go to idle */ + + tmp = __raw_readl(S3C2412_PWRCFG); + tmp &= ~S3C2412_PWRCFG_STANDBYWFI_MASK; + tmp |= S3C2412_PWRCFG_STANDBYWFI_IDLE; + __raw_writel(tmp, S3C2412_PWRCFG); + + cpu_do_idle(); +} + +void s3c2412_restart(enum reboot_mode mode, const char *cmd) +{ + if (mode == REBOOT_SOFT) + soft_restart(0); + + /* errata "Watch-dog/Software Reset Problem" specifies that + * this reset must be done with the SYSCLK sourced from + * EXTCLK instead of FOUT to avoid a glitch in the reset + * mechanism. + * + * See the watchdog section of the S3C2412 manual for more + * information on this fix. + */ + + __raw_writel(0x00, S3C2412_CLKSRC); + __raw_writel(S3C2412_SWRST_RESET, S3C2412_SWRST); + + mdelay(1); +} + +/* s3c2412_map_io + * + * register the standard cpu IO areas, and any passed in from the + * machine specific initialisation. +*/ + +void __init s3c2412_map_io(void) +{ + /* move base of IO */ + + s3c2412_init_gpio2(); + + /* set our idle function */ + + arm_pm_idle = s3c2412_idle; + + /* register our io-tables */ + + iotable_init(s3c2412_iodesc, ARRAY_SIZE(s3c2412_iodesc)); +} + +void __init_or_cpufreq s3c2412_setup_clocks(void) +{ +} + +/* need to register the subsystem before we actually register the device, and + * we also need to ensure that it has been initialised before any of the + * drivers even try to use it (even if not on an s3c2412 based system) + * as a driver which may support both 2410 and 2440 may try and use it. +*/ + +struct bus_type s3c2412_subsys = { + .name = "s3c2412-core", + .dev_name = "s3c2412-core", +}; + +static int __init s3c2412_core_init(void) +{ + return subsys_system_register(&s3c2412_subsys, NULL); +} + +core_initcall(s3c2412_core_init); + +static struct device s3c2412_dev = { + .bus = &s3c2412_subsys, +}; + +int __init s3c2412_init(void) +{ + printk("S3C2412: Initialising architecture\n"); + +#ifdef CONFIG_PM + register_syscore_ops(&s3c2412_pm_syscore_ops); + register_syscore_ops(&s3c24xx_irq_syscore_ops); +#endif + + return device_register(&s3c2412_dev); +} diff --git a/arch/arm/mach-s3c24xx/s3c2416.c b/arch/arm/mach-s3c24xx/s3c2416.c new file mode 100644 index 00000000000..9fe260ae11e --- /dev/null +++ b/arch/arm/mach-s3c24xx/s3c2416.c @@ -0,0 +1,155 @@ +/* linux/arch/arm/mach-s3c2416/s3c2416.c + * + * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>, + * as part of OpenInkpot project + * Copyright (c) 2009 Promwad Innovation Company + * Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com> + * + * Samsung S3C2416 Mobile CPU support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/platform_device.h> +#include <linux/serial_core.h> +#include <linux/device.h> +#include <linux/syscore_ops.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/reboot.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <mach/gpio-samsung.h> +#include <asm/proc-fns.h> +#include <asm/irq.h> +#include <asm/system_misc.h> + +#include <mach/regs-s3c2443-clock.h> +#include <mach/rtc-core.h> + +#include <plat/gpio-core.h> +#include <plat/gpio-cfg.h> +#include <plat/gpio-cfg-helpers.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/sdhci.h> +#include <plat/pm.h> + +#include <plat/iic-core.h> +#include <plat/fb-core.h> +#include <plat/nand-core.h> +#include <plat/adc-core.h> +#include <plat/spi-core.h> + +#include "common.h" + +static struct map_desc s3c2416_iodesc[] __initdata = { + IODESC_ENT(WATCHDOG), + IODESC_ENT(CLKPWR), + IODESC_ENT(TIMER), +}; + +struct bus_type s3c2416_subsys = { + .name = "s3c2416-core", + .dev_name = "s3c2416-core", +}; + +static struct device s3c2416_dev = { + .bus = &s3c2416_subsys, +}; + +void s3c2416_restart(enum reboot_mode mode, const char *cmd) +{ + if (mode == REBOOT_SOFT) + soft_restart(0); + + __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST); +} + +int __init s3c2416_init(void) +{ + printk(KERN_INFO "S3C2416: Initializing architecture\n"); + + /* change WDT IRQ number */ + s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; + s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT; + + /* the i2c devices are directly compatible with s3c2440 */ + s3c_i2c0_setname("s3c2440-i2c"); + s3c_i2c1_setname("s3c2440-i2c"); + + s3c_fb_setname("s3c2443-fb"); + + s3c_adc_setname("s3c2416-adc"); + s3c_rtc_setname("s3c2416-rtc"); + +#ifdef CONFIG_PM + register_syscore_ops(&s3c2416_pm_syscore_ops); + register_syscore_ops(&s3c24xx_irq_syscore_ops); + register_syscore_ops(&s3c2416_irq_syscore_ops); +#endif + + return device_register(&s3c2416_dev); +} + +void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no) +{ + s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); + + s3c_nand_setname("s3c2412-nand"); +} + +/* s3c2416_map_io + * + * register the standard cpu IO areas, and any passed in from the + * machine specific initialisation. + */ + +void __init s3c2416_map_io(void) +{ + s3c24xx_gpiocfg_default.set_pull = samsung_gpio_setpull_updown; + s3c24xx_gpiocfg_default.get_pull = samsung_gpio_getpull_updown; + + /* initialize device information early */ + s3c2416_default_sdhci0(); + s3c2416_default_sdhci1(); + s3c64xx_spi_setname("s3c2443-spi"); + + iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc)); +} + +/* need to register the subsystem before we actually register the device, and + * we also need to ensure that it has been initialised before any of the + * drivers even try to use it (even if not on an s3c2416 based system) + * as a driver which may support both 2443 and 2440 may try and use it. +*/ + +static int __init s3c2416_core_init(void) +{ + return subsys_system_register(&s3c2416_subsys, NULL); +} + +core_initcall(s3c2416_core_init); diff --git a/arch/arm/mach-s3c24xx/s3c2440.c b/arch/arm/mach-s3c24xx/s3c2440.c new file mode 100644 index 00000000000..03d379f1fc5 --- /dev/null +++ b/arch/arm/mach-s3c24xx/s3c2440.c @@ -0,0 +1,77 @@ +/* linux/arch/arm/mach-s3c2440/s3c2440.c + * + * Copyright (c) 2004-2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Samsung S3C2440 Mobile CPU support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/serial_core.h> +#include <linux/device.h> +#include <linux/syscore_ops.h> +#include <linux/gpio.h> +#include <linux/clk.h> +#include <linux/io.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <mach/gpio-samsung.h> +#include <asm/irq.h> + +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/pm.h> + +#include <plat/gpio-core.h> +#include <plat/gpio-cfg.h> +#include <plat/gpio-cfg-helpers.h> + +#include "common.h" + +static struct device s3c2440_dev = { + .bus = &s3c2440_subsys, +}; + +int __init s3c2440_init(void) +{ + printk("S3C2440: Initialising architecture\n"); + + /* change irq for watchdog */ + + s3c_device_wdt.resource[1].start = IRQ_S3C2440_WDT; + s3c_device_wdt.resource[1].end = IRQ_S3C2440_WDT; + + /* register suspend/resume handlers */ + +#ifdef CONFIG_PM + register_syscore_ops(&s3c2410_pm_syscore_ops); + register_syscore_ops(&s3c24xx_irq_syscore_ops); +#endif + register_syscore_ops(&s3c244x_pm_syscore_ops); + + /* register our system device for everything else */ + + return device_register(&s3c2440_dev); +} + +void __init s3c2440_map_io(void) +{ + s3c244x_map_io(); + + s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up; + s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up; +} diff --git a/arch/arm/mach-s3c24xx/s3c2442.c b/arch/arm/mach-s3c24xx/s3c2442.c new file mode 100644 index 00000000000..fb9da2b603a --- /dev/null +++ b/arch/arm/mach-s3c24xx/s3c2442.c @@ -0,0 +1,79 @@ +/* linux/arch/arm/mach-s3c2442/s3c2442.c + * + * Copyright (c) 2004-2005 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2442 core and lock support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/errno.h> +#include <linux/err.h> +#include <linux/device.h> +#include <linux/syscore_ops.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/mutex.h> +#include <linux/gpio.h> +#include <linux/clk.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <mach/gpio-samsung.h> +#include <linux/atomic.h> +#include <asm/irq.h> + +#include <mach/regs-clock.h> + +#include <plat/clock.h> +#include <plat/cpu.h> +#include <plat/pm.h> + +#include <plat/gpio-core.h> +#include <plat/gpio-cfg.h> +#include <plat/gpio-cfg-helpers.h> + +#include "common.h" + +static struct device s3c2442_dev = { + .bus = &s3c2442_subsys, +}; + +int __init s3c2442_init(void) +{ + printk("S3C2442: Initialising architecture\n"); + +#ifdef CONFIG_PM + register_syscore_ops(&s3c2410_pm_syscore_ops); + register_syscore_ops(&s3c24xx_irq_syscore_ops); +#endif + register_syscore_ops(&s3c244x_pm_syscore_ops); + + return device_register(&s3c2442_dev); +} + +void __init s3c2442_map_io(void) +{ + s3c244x_map_io(); + + s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1down; + s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1down; +} diff --git a/arch/arm/mach-s3c24xx/s3c2443.c b/arch/arm/mach-s3c24xx/s3c2443.c new file mode 100644 index 00000000000..c7a804d0348 --- /dev/null +++ b/arch/arm/mach-s3c24xx/s3c2443.c @@ -0,0 +1,122 @@ +/* linux/arch/arm/mach-s3c2443/s3c2443.c + * + * Copyright (c) 2007 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Samsung S3C2443 Mobile CPU support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/platform_device.h> +#include <linux/serial_core.h> +#include <linux/device.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/reboot.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <mach/gpio-samsung.h> +#include <asm/irq.h> +#include <asm/system_misc.h> + +#include <mach/regs-s3c2443-clock.h> +#include <mach/rtc-core.h> + +#include <plat/gpio-core.h> +#include <plat/gpio-cfg.h> +#include <plat/gpio-cfg-helpers.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/fb-core.h> +#include <plat/nand-core.h> +#include <plat/adc-core.h> +#include <plat/spi-core.h> + +static struct map_desc s3c2443_iodesc[] __initdata = { + IODESC_ENT(WATCHDOG), + IODESC_ENT(CLKPWR), + IODESC_ENT(TIMER), +}; + +struct bus_type s3c2443_subsys = { + .name = "s3c2443-core", + .dev_name = "s3c2443-core", +}; + +static struct device s3c2443_dev = { + .bus = &s3c2443_subsys, +}; + +void s3c2443_restart(enum reboot_mode mode, const char *cmd) +{ + if (mode == REBOOT_SOFT) + soft_restart(0); + + __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST); +} + +int __init s3c2443_init(void) +{ + printk("S3C2443: Initialising architecture\n"); + + s3c_nand_setname("s3c2412-nand"); + s3c_fb_setname("s3c2443-fb"); + + s3c_adc_setname("s3c2443-adc"); + s3c_rtc_setname("s3c2443-rtc"); + + /* change WDT IRQ number */ + s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; + s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT; + + return device_register(&s3c2443_dev); +} + +void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no) +{ + s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); +} + +/* s3c2443_map_io + * + * register the standard cpu IO areas, and any passed in from the + * machine specific initialisation. + */ + +void __init s3c2443_map_io(void) +{ + s3c24xx_gpiocfg_default.set_pull = s3c2443_gpio_setpull; + s3c24xx_gpiocfg_default.get_pull = s3c2443_gpio_getpull; + + /* initialize device information early */ + s3c64xx_spi_setname("s3c2443-spi"); + + iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc)); +} + +/* need to register the subsystem before we actually register the device, and + * we also need to ensure that it has been initialised before any of the + * drivers even try to use it (even if not on an s3c2443 based system) + * as a driver which may support both 2443 and 2440 may try and use it. +*/ + +static int __init s3c2443_core_init(void) +{ + return subsys_system_register(&s3c2443_subsys, NULL); +} + +core_initcall(s3c2443_core_init); diff --git a/arch/arm/mach-s3c24xx/s3c244x.c b/arch/arm/mach-s3c24xx/s3c244x.c new file mode 100644 index 00000000000..4a64bcc9eb5 --- /dev/null +++ b/arch/arm/mach-s3c24xx/s3c244x.c @@ -0,0 +1,156 @@ +/* linux/arch/arm/plat-s3c24xx/s3c244x.c + * + * Copyright (c) 2004-2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Samsung S3C2440 and S3C2442 Mobile CPU support (not S3C2443) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/reboot.h> +#include <linux/device.h> +#include <linux/syscore_ops.h> +#include <linux/clk.h> +#include <linux/io.h> + +#include <asm/system_misc.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <asm/irq.h> + +#include <plat/cpu-freq.h> + +#include <mach/regs-clock.h> +#include <mach/regs-gpio.h> + +#include <plat/clock.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/pm.h> +#include <plat/pll.h> +#include <plat/nand-core.h> +#include <plat/watchdog-reset.h> + +#include "common.h" +#include "regs-dsc.h" + +static struct map_desc s3c244x_iodesc[] __initdata = { + IODESC_ENT(CLKPWR), + IODESC_ENT(TIMER), + IODESC_ENT(WATCHDOG), +}; + +/* uart initialisation */ + +void __init s3c244x_init_uarts(struct s3c2410_uartcfg *cfg, int no) +{ + s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); +} + +void __init s3c244x_map_io(void) +{ + /* register our io-tables */ + + iotable_init(s3c244x_iodesc, ARRAY_SIZE(s3c244x_iodesc)); + + /* rename any peripherals used differing from the s3c2410 */ + + s3c_device_sdi.name = "s3c2440-sdi"; + s3c_device_i2c0.name = "s3c2440-i2c"; + s3c_nand_setname("s3c2440-nand"); + s3c_device_ts.name = "s3c2440-ts"; + s3c_device_usbgadget.name = "s3c2440-usbgadget"; + s3c2410_device_dclk.name = "s3c2440-dclk"; +} + +void __init_or_cpufreq s3c244x_setup_clocks(void) +{ +} + +/* Since the S3C2442 and S3C2440 share items, put both subsystems here */ + +struct bus_type s3c2440_subsys = { + .name = "s3c2440-core", + .dev_name = "s3c2440-core", +}; + +struct bus_type s3c2442_subsys = { + .name = "s3c2442-core", + .dev_name = "s3c2442-core", +}; + +/* need to register the subsystem before we actually register the device, and + * we also need to ensure that it has been initialised before any of the + * drivers even try to use it (even if not on an s3c2440 based system) + * as a driver which may support both 2410 and 2440 may try and use it. +*/ + +static int __init s3c2440_core_init(void) +{ + return subsys_system_register(&s3c2440_subsys, NULL); +} + +core_initcall(s3c2440_core_init); + +static int __init s3c2442_core_init(void) +{ + return subsys_system_register(&s3c2442_subsys, NULL); +} + +core_initcall(s3c2442_core_init); + + +#ifdef CONFIG_PM +static struct sleep_save s3c244x_sleep[] = { + SAVE_ITEM(S3C2440_DSC0), + SAVE_ITEM(S3C2440_DSC1), + SAVE_ITEM(S3C2440_GPJDAT), + SAVE_ITEM(S3C2440_GPJCON), + SAVE_ITEM(S3C2440_GPJUP) +}; + +static int s3c244x_suspend(void) +{ + s3c_pm_do_save(s3c244x_sleep, ARRAY_SIZE(s3c244x_sleep)); + return 0; +} + +static void s3c244x_resume(void) +{ + s3c_pm_do_restore(s3c244x_sleep, ARRAY_SIZE(s3c244x_sleep)); +} +#else +#define s3c244x_suspend NULL +#define s3c244x_resume NULL +#endif + +struct syscore_ops s3c244x_pm_syscore_ops = { + .suspend = s3c244x_suspend, + .resume = s3c244x_resume, +}; + +void s3c244x_restart(enum reboot_mode mode, const char *cmd) +{ + if (mode == REBOOT_SOFT) + soft_restart(0); + + samsung_wdt_reset(); + + /* we'll take a jump through zero as a poor second */ + soft_restart(0); +} diff --git a/arch/arm/mach-s3c24xx/setup-i2c.c b/arch/arm/mach-s3c24xx/setup-i2c.c new file mode 100644 index 00000000000..1852696ca16 --- /dev/null +++ b/arch/arm/mach-s3c24xx/setup-i2c.c @@ -0,0 +1,28 @@ +/* linux/arch/arm/plat-s3c24xx/setup-i2c.c + * + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C24XX Base setup for i2c device + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/gpio.h> + +struct platform_device; + +#include <plat/gpio-cfg.h> +#include <linux/platform_data/i2c-s3c2410.h> +#include <mach/hardware.h> +#include <mach/regs-gpio.h> +#include <mach/gpio-samsung.h> + +void s3c_i2c0_cfg_gpio(struct platform_device *dev) +{ + s3c_gpio_cfgpin(S3C2410_GPE(15), S3C2410_GPE15_IICSDA); + s3c_gpio_cfgpin(S3C2410_GPE(14), S3C2410_GPE14_IICSCL); +} diff --git a/arch/arm/mach-s3c24xx/setup-sdhci-gpio.c b/arch/arm/mach-s3c24xx/setup-sdhci-gpio.c new file mode 100644 index 00000000000..c99b0f664db --- /dev/null +++ b/arch/arm/mach-s3c24xx/setup-sdhci-gpio.c @@ -0,0 +1,35 @@ +/* linux/arch/arm/plat-s3c2416/setup-sdhci-gpio.c + * + * Copyright 2010 Promwad Innovation Company + * Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com> + * + * S3C2416 - Helper functions for setting up SDHCI device(s) GPIO (HSMMC) + * + * Based on mach-s3c64xx/setup-sdhci-gpio.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/gpio.h> + +#include <mach/regs-gpio.h> +#include <mach/gpio-samsung.h> +#include <plat/gpio-cfg.h> + +void s3c2416_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width) +{ + s3c_gpio_cfgrange_nopull(S3C2410_GPE(5), 2 + width, S3C_GPIO_SFN(2)); +} + +void s3c2416_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width) +{ + s3c_gpio_cfgrange_nopull(S3C2410_GPL(0), width, S3C_GPIO_SFN(2)); + s3c_gpio_cfgrange_nopull(S3C2410_GPL(8), 2, S3C_GPIO_SFN(2)); +} diff --git a/arch/arm/mach-s3c24xx/setup-spi.c b/arch/arm/mach-s3c24xx/setup-spi.c new file mode 100644 index 00000000000..3d47e023ce9 --- /dev/null +++ b/arch/arm/mach-s3c24xx/setup-spi.c @@ -0,0 +1,31 @@ +/* + * HS-SPI device setup for S3C2443/S3C2416 + * + * Copyright (C) 2011 Samsung Electronics Ltd. + * http://www.samsung.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/gpio.h> +#include <linux/platform_device.h> + +#include <plat/gpio-cfg.h> + +#include <mach/hardware.h> +#include <mach/regs-gpio.h> + +#ifdef CONFIG_S3C64XX_DEV_SPI0 +int s3c64xx_spi0_cfg_gpio(void) +{ + /* enable hsspi bit in misccr */ + s3c2410_modify_misccr(S3C2416_MISCCR_HSSPI_EN2, 1); + + s3c_gpio_cfgall_range(S3C2410_GPE(11), 3, + S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); + + return 0; +} +#endif diff --git a/arch/arm/mach-s3c24xx/setup-ts.c b/arch/arm/mach-s3c24xx/setup-ts.c new file mode 100644 index 00000000000..46466d20257 --- /dev/null +++ b/arch/arm/mach-s3c24xx/setup-ts.c @@ -0,0 +1,32 @@ +/* linux/arch/arm/plat-s3c24xx/setup-ts.c + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Based on S3C24XX setup for i2c device + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/gpio.h> + +struct platform_device; /* don't need the contents */ + +#include <plat/gpio-cfg.h> +#include <mach/hardware.h> +#include <mach/gpio-samsung.h> + +/** + * s3c24xx_ts_cfg_gpio - configure gpio for s3c2410 systems + * + * Configure the GPIO for the S3C2410 system, where we have external FETs + * connected to the device (later systems such as the S3C2440 integrate + * these into the device). + */ +void s3c24xx_ts_cfg_gpio(struct platform_device *dev) +{ + s3c_gpio_cfgpin_range(S3C2410_GPG(12), 4, S3C_GPIO_SFN(3)); +} diff --git a/arch/arm/mach-s3c24xx/simtec-audio.c b/arch/arm/mach-s3c24xx/simtec-audio.c new file mode 100644 index 00000000000..67cb5120dfe --- /dev/null +++ b/arch/arm/mach-s3c24xx/simtec-audio.c @@ -0,0 +1,76 @@ +/* linux/arch/arm/plat-s3c24xx/simtec-audio.c + * + * Copyright (c) 2009 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * Audio setup for various Simtec S3C24XX implementations + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <mach/regs-gpio.h> + +#include <linux/platform_data/asoc-s3c24xx_simtec.h> +#include <plat/devs.h> + +#include "bast.h" +#include "simtec.h" + +/* platform ops for audio */ + +static void simtec_audio_startup_lrroute(void) +{ + unsigned int tmp; + unsigned long flags; + + local_irq_save(flags); + + tmp = __raw_readb(BAST_VA_CTRL1); + tmp &= ~BAST_CPLD_CTRL1_LRMASK; + tmp |= BAST_CPLD_CTRL1_LRCDAC; + __raw_writeb(tmp, BAST_VA_CTRL1); + + local_irq_restore(flags); +} + +static struct s3c24xx_audio_simtec_pdata simtec_audio_platdata; +static char our_name[32]; + +static struct platform_device simtec_audio_dev = { + .name = our_name, + .id = -1, + .dev = { + .parent = &s3c_device_iis.dev, + .platform_data = &simtec_audio_platdata, + }, +}; + +int __init simtec_audio_add(const char *name, bool has_lr_routing, + struct s3c24xx_audio_simtec_pdata *spd) +{ + if (!name) + name = "tlv320aic23"; + + snprintf(our_name, sizeof(our_name)-1, "s3c24xx-simtec-%s", name); + + /* copy platform data so the source can be __initdata */ + if (spd) + simtec_audio_platdata = *spd; + + if (has_lr_routing) + simtec_audio_platdata.startup = simtec_audio_startup_lrroute; + + platform_device_register(&s3c_device_iis); + platform_device_register(&simtec_audio_dev); + return 0; +} diff --git a/arch/arm/mach-s3c24xx/simtec-nor.c b/arch/arm/mach-s3c24xx/simtec-nor.c new file mode 100644 index 00000000000..8884bffa619 --- /dev/null +++ b/arch/arm/mach-s3c24xx/simtec-nor.c @@ -0,0 +1,79 @@ +/* linux/arch/arm/mach-s3c2410/nor-simtec.c + * + * Copyright (c) 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * Simtec NOR mapping + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/module.h> +#include <linux/types.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/map.h> +#include <linux/mtd/physmap.h> +#include <linux/mtd/partitions.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/map.h> + +#include "bast.h" +#include "simtec.h" + +static void simtec_nor_vpp(struct platform_device *pdev, int vpp) +{ + unsigned int val; + + val = __raw_readb(BAST_VA_CTRL3); + + printk(KERN_DEBUG "%s(%d)\n", __func__, vpp); + + if (vpp) + val |= BAST_CPLD_CTRL3_ROMWEN; + else + val &= ~BAST_CPLD_CTRL3_ROMWEN; + + __raw_writeb(val, BAST_VA_CTRL3); +} + +static struct physmap_flash_data simtec_nor_pdata = { + .width = 2, + .set_vpp = simtec_nor_vpp, + .nr_parts = 0, +}; + +static struct resource simtec_nor_resource[] = { + [0] = DEFINE_RES_MEM(S3C2410_CS1 + 0x4000000, SZ_8M), +}; + +static struct platform_device simtec_device_nor = { + .name = "physmap-flash", + .id = -1, + .num_resources = ARRAY_SIZE(simtec_nor_resource), + .resource = simtec_nor_resource, + .dev = { + .platform_data = &simtec_nor_pdata, + }, +}; + +void __init nor_simtec_init(void) +{ + int ret; + + ret = platform_device_register(&simtec_device_nor); + if (ret < 0) + printk(KERN_ERR "failed to register physmap-flash device\n"); + else + simtec_nor_vpp(NULL, 1); +} diff --git a/arch/arm/mach-s3c24xx/simtec-pm.c b/arch/arm/mach-s3c24xx/simtec-pm.c new file mode 100644 index 00000000000..38a2f1fdeba --- /dev/null +++ b/arch/arm/mach-s3c24xx/simtec-pm.c @@ -0,0 +1,67 @@ +/* linux/arch/arm/plat-s3c24xx/pm-simtec.c + * + * Copyright 2004 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * http://armlinux.simtec.co.uk/ + * + * Power Management helpers for Simtec S3C24XX implementations + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/io.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <mach/hardware.h> + +#include <mach/map.h> +#include <mach/regs-gpio.h> + +#include <asm/mach-types.h> + +#include <plat/pm.h> + +#include "regs-mem.h" + +#define COPYRIGHT ", Copyright 2005 Simtec Electronics" + +/* pm_simtec_init + * + * enable the power management functions +*/ + +static __init int pm_simtec_init(void) +{ + unsigned long gstatus4; + + /* check which machine we are running on */ + + if (!machine_is_bast() && !machine_is_vr1000() && + !machine_is_anubis() && !machine_is_osiris() && + !machine_is_aml_m5900()) + return 0; + + printk(KERN_INFO "Simtec Board Power Management" COPYRIGHT "\n"); + + gstatus4 = (__raw_readl(S3C2410_BANKCON7) & 0x3) << 30; + gstatus4 |= (__raw_readl(S3C2410_BANKCON6) & 0x3) << 28; + gstatus4 |= (__raw_readl(S3C2410_BANKSIZE) & S3C2410_BANKSIZE_MASK); + + __raw_writel(gstatus4, S3C2410_GSTATUS4); + + return s3c_pm_init(); +} + +arch_initcall(pm_simtec_init); diff --git a/arch/arm/mach-s3c24xx/simtec-usb.c b/arch/arm/mach-s3c24xx/simtec-usb.c new file mode 100644 index 00000000000..b70aa66efeb --- /dev/null +++ b/arch/arm/mach-s3c24xx/simtec-usb.c @@ -0,0 +1,130 @@ +/* linux/arch/arm/mach-s3c2410/usb-simtec.c + * + * Copyright 2004-2005 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * http://www.simtec.co.uk/products/EB2410ITX/ + * + * Simtec BAST and Thorcom VR1000 USB port support functions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define DEBUG + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/gpio.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/io.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <mach/gpio-samsung.h> +#include <asm/irq.h> + +#include <linux/platform_data/usb-ohci-s3c2410.h> +#include <plat/devs.h> + +#include "bast.h" +#include "simtec.h" + +/* control power and monitor over-current events on various Simtec + * designed boards. +*/ + +static unsigned int power_state[2]; + +static void +usb_simtec_powercontrol(int port, int to) +{ + pr_debug("usb_simtec_powercontrol(%d,%d)\n", port, to); + + power_state[port] = to; + + if (power_state[0] && power_state[1]) + gpio_set_value(S3C2410_GPB(4), 0); + else + gpio_set_value(S3C2410_GPB(4), 1); +} + +static irqreturn_t +usb_simtec_ocirq(int irq, void *pw) +{ + struct s3c2410_hcd_info *info = pw; + + if (gpio_get_value(S3C2410_GPG(10)) == 0) { + pr_debug("usb_simtec: over-current irq (oc detected)\n"); + s3c2410_usb_report_oc(info, 3); + } else { + pr_debug("usb_simtec: over-current irq (oc cleared)\n"); + s3c2410_usb_report_oc(info, 0); + } + + return IRQ_HANDLED; +} + +static void usb_simtec_enableoc(struct s3c2410_hcd_info *info, int on) +{ + int ret; + + if (on) { + ret = request_irq(BAST_IRQ_USBOC, usb_simtec_ocirq, + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, + "USB Over-current", info); + if (ret != 0) { + printk(KERN_ERR "failed to request usb oc irq\n"); + } + } else { + free_irq(BAST_IRQ_USBOC, info); + } +} + +static struct s3c2410_hcd_info usb_simtec_info __initdata = { + .port[0] = { + .flags = S3C_HCDFLG_USED + }, + .port[1] = { + .flags = S3C_HCDFLG_USED + }, + + .power_control = usb_simtec_powercontrol, + .enable_oc = usb_simtec_enableoc, +}; + + +int __init usb_simtec_init(void) +{ + int ret; + + printk("USB Power Control, Copyright 2004 Simtec Electronics\n"); + + ret = gpio_request(S3C2410_GPB(4), "USB power control"); + if (ret < 0) { + pr_err("%s: failed to get GPB4\n", __func__); + return ret; + } + + ret = gpio_request(S3C2410_GPG(10), "USB overcurrent"); + if (ret < 0) { + pr_err("%s: failed to get GPG10\n", __func__); + gpio_free(S3C2410_GPB(4)); + return ret; + } + + /* turn power on */ + gpio_direction_output(S3C2410_GPB(4), 1); + gpio_direction_input(S3C2410_GPG(10)); + + s3c_ohci_set_platdata(&usb_simtec_info); + return 0; +} diff --git a/arch/arm/mach-s3c24xx/simtec.h b/arch/arm/mach-s3c24xx/simtec.h new file mode 100644 index 00000000000..ae8f4f9ad2e --- /dev/null +++ b/arch/arm/mach-s3c24xx/simtec.h @@ -0,0 +1,21 @@ +/* linux/arch/arm/mach-s3c2410/nor-simtec.h + * + * Copyright (c) 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * Simtec common functions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +struct s3c24xx_audio_simtec_pdata; + +extern void nor_simtec_init(void); + +extern int usb_simtec_init(void); + +extern int simtec_audio_add(const char *codec_name, bool has_lr_routing, + struct s3c24xx_audio_simtec_pdata *pdata); diff --git a/arch/arm/mach-s3c24xx/sleep-s3c2410.S b/arch/arm/mach-s3c24xx/sleep-s3c2410.S new file mode 100644 index 00000000000..c9b91223697 --- /dev/null +++ b/arch/arm/mach-s3c24xx/sleep-s3c2410.S @@ -0,0 +1,69 @@ +/* linux/arch/arm/mach-s3c2410/sleep.S + * + * Copyright (c) 2004 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 Power Manager (Suspend-To-RAM) support + * + * Based on PXA/SA1100 sleep code by: + * Nicolas Pitre, (c) 2002 Monta Vista Software Inc + * Cliff Brake, (c) 2001 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <linux/linkage.h> +#include <linux/serial_s3c.h> +#include <asm/assembler.h> +#include <mach/hardware.h> +#include <mach/map.h> + +#include <mach/regs-gpio.h> +#include <mach/regs-clock.h> + +#include "regs-mem.h" + + /* s3c2410_cpu_suspend + * + * put the cpu into sleep mode + */ + +ENTRY(s3c2410_cpu_suspend) + @@ prepare cpu to sleep + + ldr r4, =S3C2410_REFRESH + ldr r5, =S3C24XX_MISCCR + ldr r6, =S3C2410_CLKCON + ldr r7, [r4] @ get REFRESH (and ensure in TLB) + ldr r8, [r5] @ get MISCCR (and ensure in TLB) + ldr r9, [r6] @ get CLKCON (and ensure in TLB) + + orr r7, r7, #S3C2410_REFRESH_SELF @ SDRAM sleep command + orr r8, r8, #S3C2410_MISCCR_SDSLEEP @ SDRAM power-down signals + orr r9, r9, #S3C2410_CLKCON_POWER @ power down command + + teq pc, #0 @ first as a trial-run to load cache + bl s3c2410_do_sleep + teq r0, r0 @ now do it for real + b s3c2410_do_sleep @ + + @@ align next bit of code to cache line + .align 5 +s3c2410_do_sleep: + streq r7, [r4] @ SDRAM sleep command + streq r8, [r5] @ SDRAM power-down config + streq r9, [r6] @ CPU sleep +1: beq 1b + mov pc, r14 diff --git a/arch/arm/mach-s3c24xx/sleep-s3c2412.S b/arch/arm/mach-s3c24xx/sleep-s3c2412.S new file mode 100644 index 00000000000..5adaceb7da1 --- /dev/null +++ b/arch/arm/mach-s3c24xx/sleep-s3c2412.S @@ -0,0 +1,68 @@ +/* linux/arch/arm/mach-s3c2412/sleep.S + * + * Copyright (c) 2007 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2412 Power Manager low-level sleep support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <linux/linkage.h> +#include <asm/assembler.h> +#include <mach/hardware.h> +#include <mach/map.h> + +#include <mach/regs-irq.h> + + .text + + .global s3c2412_sleep_enter + +s3c2412_sleep_enter: + mov r0, #0 /* argument for coprocessors */ + ldr r1, =S3C2410_INTPND + ldr r2, =S3C2410_SRCPND + ldr r3, =S3C2410_EINTPEND + + teq r0, r0 + bl s3c2412_sleep_enter1 + teq pc, r0 + bl s3c2412_sleep_enter1 + + .align 5 + + /* this is called twice, first with the Z flag to ensure that the + * instructions have been loaded into the cache, and the second + * time to try and suspend the system. + */ +s3c2412_sleep_enter1: + mcr p15, 0, r0, c7, c10, 4 + mcrne p15, 0, r0, c7, c0, 4 + + /* if we return from here, it is because an interrupt was + * active when we tried to shutdown. Try and ack the IRQ and + * retry, as simply returning causes the system to lock. + */ + + ldrne r9, [r1] + strne r9, [r1] + ldrne r9, [r2] + strne r9, [r2] + ldrne r9, [r3] + strne r9, [r3] + bne s3c2412_sleep_enter1 + + mov pc, r14 diff --git a/arch/arm/mach-s3c24xx/sleep.S b/arch/arm/mach-s3c24xx/sleep.S new file mode 100644 index 00000000000..d833d616bd2 --- /dev/null +++ b/arch/arm/mach-s3c24xx/sleep.S @@ -0,0 +1,83 @@ +/* linux/arch/arm/plat-s3c24xx/sleep.S + * + * Copyright (c) 2004 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 Power Manager (Suspend-To-RAM) support + * + * Based on PXA/SA1100 sleep code by: + * Nicolas Pitre, (c) 2002 Monta Vista Software Inc + * Cliff Brake, (c) 2001 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <linux/linkage.h> +#include <linux/serial_s3c.h> +#include <asm/assembler.h> +#include <mach/hardware.h> +#include <mach/map.h> + +#include <mach/regs-gpio.h> +#include <mach/regs-clock.h> + +/* CONFIG_DEBUG_RESUME is dangerous if your bootloader does not + * reset the UART configuration, only enable if you really need this! +*/ +//#define CONFIG_DEBUG_RESUME + + .text + + /* sleep magic, to allow the bootloader to check for an valid + * image to resume to. Must be the first word before the + * s3c_cpu_resume entry. + */ + + .word 0x2bedf00d + + /* s3c_cpu_resume + * + * resume code entry for bootloader to call + */ + +ENTRY(s3c_cpu_resume) + mov r0, #PSR_I_BIT | PSR_F_BIT | SVC_MODE + msr cpsr_c, r0 + + @@ load UART to allow us to print the two characters for + @@ resume debug + + mov r2, #S3C24XX_PA_UART & 0xff000000 + orr r2, r2, #S3C24XX_PA_UART & 0xff000 + +#if 0 + /* SMDK2440 LED set */ + mov r14, #S3C24XX_PA_GPIO + ldr r12, [ r14, #0x54 ] + bic r12, r12, #3<<4 + orr r12, r12, #1<<7 + str r12, [ r14, #0x54 ] +#endif + +#ifdef CONFIG_DEBUG_RESUME + mov r3, #'L' + strb r3, [ r2, #S3C2410_UTXH ] +1001: + ldrb r14, [ r3, #S3C2410_UTRSTAT ] + tst r14, #S3C2410_UTRSTAT_TXE + beq 1001b +#endif /* CONFIG_DEBUG_RESUME */ + + b cpu_resume diff --git a/arch/arm/mach-s3c24xx/vr1000.h b/arch/arm/mach-s3c24xx/vr1000.h new file mode 100644 index 00000000000..7fcd2c2f183 --- /dev/null +++ b/arch/arm/mach-s3c24xx/vr1000.h @@ -0,0 +1,118 @@ + +/* arch/arm/mach-s3c2410/include/mach/vr1000-cpld.h + * + * Copyright (c) 2003 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * VR1000 - CPLD control constants + * Machine VR1000 - IRQ Number definitions + * Machine VR1000 - Memory map definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __MACH_S3C24XX_VR1000_H +#define __MACH_S3C24XX_VR1000_H __FILE__ + +#define VR1000_CPLD_CTRL2_RAMWEN (0x04) /* SRAM Write Enable */ + +/* irq numbers to onboard peripherals */ + +#define VR1000_IRQ_USBOC IRQ_EINT19 +#define VR1000_IRQ_IDE0 IRQ_EINT16 +#define VR1000_IRQ_IDE1 IRQ_EINT17 +#define VR1000_IRQ_SERIAL IRQ_EINT12 +#define VR1000_IRQ_DM9000A IRQ_EINT10 +#define VR1000_IRQ_DM9000N IRQ_EINT9 +#define VR1000_IRQ_SMALERT IRQ_EINT8 + +/* map */ + +#define VR1000_IOADDR(x) (S3C2410_ADDR((x) + 0x01300000)) + +/* we put the CPLD registers next, to get them out of the way */ + +#define VR1000_VA_CTRL1 VR1000_IOADDR(0x00000000) /* 0x01300000 */ +#define VR1000_PA_CTRL1 (S3C2410_CS5 | 0x7800000) + +#define VR1000_VA_CTRL2 VR1000_IOADDR(0x00100000) /* 0x01400000 */ +#define VR1000_PA_CTRL2 (S3C2410_CS1 | 0x6000000) + +#define VR1000_VA_CTRL3 VR1000_IOADDR(0x00200000) /* 0x01500000 */ +#define VR1000_PA_CTRL3 (S3C2410_CS1 | 0x6800000) + +#define VR1000_VA_CTRL4 VR1000_IOADDR(0x00300000) /* 0x01600000 */ +#define VR1000_PA_CTRL4 (S3C2410_CS1 | 0x7000000) + +/* next, we have the PC104 ISA interrupt registers */ + +#define VR1000_PA_PC104_IRQREQ (S3C2410_CS5 | 0x6000000) /* 0x01700000 */ +#define VR1000_VA_PC104_IRQREQ VR1000_IOADDR(0x00400000) + +#define VR1000_PA_PC104_IRQRAW (S3C2410_CS5 | 0x6800000) /* 0x01800000 */ +#define VR1000_VA_PC104_IRQRAW VR1000_IOADDR(0x00500000) + +#define VR1000_PA_PC104_IRQMASK (S3C2410_CS5 | 0x7000000) /* 0x01900000 */ +#define VR1000_VA_PC104_IRQMASK VR1000_IOADDR(0x00600000) + +/* + * 0xE0000000 contains the IO space that is split by speed and + * whether the access is for 8 or 16bit IO... this ensures that + * the correct access is made + * + * 0x10000000 of space, partitioned as so: + * + * 0x00000000 to 0x04000000 8bit, slow + * 0x04000000 to 0x08000000 16bit, slow + * 0x08000000 to 0x0C000000 16bit, net + * 0x0C000000 to 0x10000000 16bit, fast + * + * each of these spaces has the following in: + * + * 0x02000000 to 0x02100000 1MB IDE primary channel + * 0x02100000 to 0x02200000 1MB IDE primary channel aux + * 0x02200000 to 0x02400000 1MB IDE secondary channel + * 0x02300000 to 0x02400000 1MB IDE secondary channel aux + * 0x02500000 to 0x02600000 1MB Davicom DM9000 ethernet controllers + * 0x02600000 to 0x02700000 1MB + * + * the phyiscal layout of the zones are: + * nGCS2 - 8bit, slow + * nGCS3 - 16bit, slow + * nGCS4 - 16bit, net + * nGCS5 - 16bit, fast + */ + +#define VR1000_VA_MULTISPACE (0xE0000000) + +#define VR1000_VA_ISAIO (VR1000_VA_MULTISPACE + 0x00000000) +#define VR1000_VA_ISAMEM (VR1000_VA_MULTISPACE + 0x01000000) +#define VR1000_VA_IDEPRI (VR1000_VA_MULTISPACE + 0x02000000) +#define VR1000_VA_IDEPRIAUX (VR1000_VA_MULTISPACE + 0x02100000) +#define VR1000_VA_IDESEC (VR1000_VA_MULTISPACE + 0x02200000) +#define VR1000_VA_IDESECAUX (VR1000_VA_MULTISPACE + 0x02300000) +#define VR1000_VA_ASIXNET (VR1000_VA_MULTISPACE + 0x02400000) +#define VR1000_VA_DM9000 (VR1000_VA_MULTISPACE + 0x02500000) +#define VR1000_VA_SUPERIO (VR1000_VA_MULTISPACE + 0x02600000) + +/* physical offset addresses for the peripherals */ + +#define VR1000_PA_IDEPRI (0x02000000) +#define VR1000_PA_IDEPRIAUX (0x02800000) +#define VR1000_PA_IDESEC (0x03000000) +#define VR1000_PA_IDESECAUX (0x03800000) +#define VR1000_PA_DM9000 (0x05000000) + +#define VR1000_PA_SERIAL (0x11800000) +#define VR1000_VA_SERIAL (VR1000_IOADDR(0x00700000)) + +/* VR1000 ram is in CS1, with A26..A24 = 2_101 */ +#define VR1000_PA_SRAM (S3C2410_CS1 | 0x05000000) + +/* some configurations for the peripherals */ + +#define VR1000_DM9000_CS VR1000_VAM_CS4 + +#endif /* __MACH_S3C24XX_VR1000_H */ |