diff options
Diffstat (limited to 'arch/arm/mach-nomadik')
| -rw-r--r-- | arch/arm/mach-nomadik/Kconfig | 24 | ||||
| -rw-r--r-- | arch/arm/mach-nomadik/Makefile.boot | 4 | ||||
| -rw-r--r-- | arch/arm/mach-nomadik/cpu-8815.c | 182 | ||||
| -rw-r--r-- | arch/arm/mach-nomadik/include/mach/debug-macro.S | 20 | ||||
| -rw-r--r-- | arch/arm/mach-nomadik/include/mach/irqs.h | 79 | ||||
| -rw-r--r-- | arch/arm/mach-nomadik/include/mach/timex.h | 6 | ||||
| -rw-r--r-- | arch/arm/mach-nomadik/include/mach/uncompress.h | 60 |
7 files changed, 23 insertions, 352 deletions
diff --git a/arch/arm/mach-nomadik/Kconfig b/arch/arm/mach-nomadik/Kconfig index 82226a5d60e..3c61096c862 100644 --- a/arch/arm/mach-nomadik/Kconfig +++ b/arch/arm/mach-nomadik/Kconfig @@ -1,16 +1,30 @@ -if ARCH_NOMADIK +menuconfig ARCH_NOMADIK + bool "ST-Ericsson Nomadik" + depends on ARCH_MULTI_V5 + select ARCH_REQUIRE_GPIOLIB + select ARM_AMBA + select ARM_VIC + select CLKSRC_NOMADIK_MTU + select CLKSRC_NOMADIK_MTU_SCHED_CLOCK + select CPU_ARM926T + select MIGHT_HAVE_CACHE_L2X0 + select PINCTRL + select PINCTRL_NOMADIK + select PINCTRL_STN8815 + help + Support for the Nomadik platform by ST-Ericsson -menu "Nomadik boards" +if ARCH_NOMADIK config MACH_NOMADIK_8815NHK bool "ST 8815 Nomadik Hardware Kit (evaluation board)" select NOMADIK_8815 select I2C select I2C_ALGOBIT + select I2C_NOMADIK -endmenu +endif config NOMADIK_8815 + depends on ARCH_NOMADIK bool - -endif diff --git a/arch/arm/mach-nomadik/Makefile.boot b/arch/arm/mach-nomadik/Makefile.boot deleted file mode 100644 index ff0a4b5b0a8..00000000000 --- a/arch/arm/mach-nomadik/Makefile.boot +++ /dev/null @@ -1,4 +0,0 @@ - zreladdr-y += 0x00008000 -params_phys-y := 0x00000100 -initrd_phys-y := 0x00800000 - diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c index 21c1aa51264..9116ca476d7 100644 --- a/arch/arm/mach-nomadik/cpu-8815.c +++ b/arch/arm/mach-nomadik/cpu-8815.c @@ -25,20 +25,12 @@ #include <linux/slab.h> #include <linux/irq.h> #include <linux/dma-mapping.h> -#include <linux/irqchip.h> -#include <linux/platform_data/clk-nomadik.h> -#include <linux/platform_data/pinctrl-nomadik.h> -#include <linux/pinctrl/machine.h> -#include <linux/platform_data/clocksource-nomadik-mtu.h> #include <linux/of_irq.h> #include <linux/of_gpio.h> #include <linux/of_address.h> #include <linux/of_platform.h> -#include <linux/mtd/fsmc.h> #include <linux/gpio.h> -#include <linux/amba/mmci.h> -#include <mach/irqs.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/time.h> @@ -92,48 +84,6 @@ #define NOMADIK_L2CC_BASE 0x10210000 /* L2 Cache controller */ #define NOMADIK_UART1_VBASE 0xF01FB000 -static unsigned long out_low[] = { PIN_OUTPUT_LOW }; -static unsigned long out_high[] = { PIN_OUTPUT_HIGH }; -static unsigned long in_nopull[] = { PIN_INPUT_NOPULL }; -static unsigned long in_pullup[] = { PIN_INPUT_PULLUP }; - -static struct pinctrl_map __initdata nhk8815_pinmap[] = { - PIN_MAP_MUX_GROUP_DEFAULT("uart0", "pinctrl-stn8815", "u0_a_1", "u0"), - PIN_MAP_MUX_GROUP_DEFAULT("uart1", "pinctrl-stn8815", "u1_a_1", "u1"), - /* Hog in MMC/SD card mux */ - PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-stn8815", "mmcsd_a_1", "mmcsd"), - /* MCCLK */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO8_B10", out_low), - /* MCCMD */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO9_A10", in_pullup), - /* MCCMDDIR */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO10_C11", out_high), - /* MCDAT3-0 */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO11_B11", in_pullup), - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO12_A11", in_pullup), - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO13_C12", in_pullup), - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO14_B12", in_pullup), - /* MCDAT0DIR */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO15_A12", out_high), - /* MCDAT31DIR */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO16_C13", out_high), - /* MCMSFBCLK */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO24_C15", in_pullup), - /* CD input GPIO */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO111_H21", in_nopull), - /* CD bias drive */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO112_J21", out_low), - /* I2C0 */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO62_D3", in_pullup), - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO63_D2", in_pullup), - /* I2C1 */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO53_L4", in_pullup), - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO54_L3", in_pullup), - /* I2C2 */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO73_C21", in_pullup), - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO74_C20", in_pullup), -}; - /* This is needed for LL-debug/earlyprintk/debug-macro.S */ static struct map_desc cpu8815_io_desc[] __initdata = { { @@ -149,7 +99,7 @@ static void __init cpu8815_map_io(void) iotable_init(cpu8815_io_desc, ARRAY_SIZE(cpu8815_io_desc)); } -static void cpu8815_restart(char mode, const char *cmd) +static void cpu8815_restart(enum reboot_mode mode, const char *cmd) { void __iomem *srcbase = ioremap(NOMADIK_SRC_BASE, SZ_4K); @@ -159,91 +109,6 @@ static void cpu8815_restart(char mode, const char *cmd) writel(1, srcbase + 0x18); } -/* Initial value for SRC control register: all timers use MXTAL/8 source */ -#define SRC_CR_INIT_MASK 0x00007fff -#define SRC_CR_INIT_VAL 0x2aaa8000 - -static void __init cpu8815_timer_init_of(void) -{ - struct device_node *mtu; - void __iomem *base; - int irq; - u32 src_cr; - - /* We need this to be up now */ - nomadik_clk_init(); - - mtu = of_find_node_by_path("/mtu0"); - if (!mtu) - return; - base = of_iomap(mtu, 0); - if (WARN_ON(!base)) - return; - irq = irq_of_parse_and_map(mtu, 0); - - pr_info("Remapped MTU @ %p, irq: %d\n", base, irq); - - /* Configure timer sources in "system reset controller" ctrl reg */ - src_cr = readl(base); - src_cr &= SRC_CR_INIT_MASK; - src_cr |= SRC_CR_INIT_VAL; - writel(src_cr, base); - - nmdk_timer_init(base, irq); -} - -static struct fsmc_nand_timings cpu8815_nand_timings = { - .thiz = 0, - .thold = 0x10, - .twait = 0x0A, - .tset = 0, -}; - -static struct fsmc_nand_platform_data cpu8815_nand_data = { - .nand_timings = &cpu8815_nand_timings, -}; - -/* - * The SMSC911x IRQ is connected to a GPIO pin, but the driver expects - * to simply request an IRQ passed as a resource. So the GPIO pin needs - * to be requested by this hog and set as input. - */ -static int __init cpu8815_eth_init(void) -{ - struct device_node *eth; - int gpio, irq, err; - - eth = of_find_node_by_path("/usb-s8815/ethernet-gpio"); - if (!eth) { - pr_info("could not find any ethernet GPIO\n"); - return 0; - } - gpio = of_get_gpio(eth, 0); - err = gpio_request(gpio, "eth_irq"); - if (err) { - pr_info("failed to request ethernet GPIO\n"); - return -ENODEV; - } - err = gpio_direction_input(gpio); - if (err) { - pr_info("failed to set ethernet GPIO as input\n"); - return -ENODEV; - } - irq = gpio_to_irq(gpio); - pr_info("enabled USB-S8815 ethernet GPIO %d, IRQ %d\n", gpio, irq); - return 0; -} -device_initcall(cpu8815_eth_init); - -/* - * TODO: - * cannot be set from device tree, convert to a proper DT - * binding. - */ -static struct mmci_platform_data mmcsd_plat_data = { - .ocr_mask = MMC_VDD_29_30, -}; - /* * This GPIO pin turns on a line that is used to detect card insertion * on this board. @@ -278,55 +143,16 @@ static int __init cpu8815_mmcsd_init(void) } device_initcall(cpu8815_mmcsd_init); - -/* These are mostly to get the right device names for the clock lookups */ -static struct of_dev_auxdata cpu8815_auxdata_lookup[] __initdata = { - OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO0_BASE, - "gpio.0", NULL), - OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO1_BASE, - "gpio.1", NULL), - OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO2_BASE, - "gpio.2", NULL), - OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO3_BASE, - "gpio.3", NULL), - OF_DEV_AUXDATA("stericsson,nmk-pinctrl-stn8815", 0, - "pinctrl-stn8815", NULL), - OF_DEV_AUXDATA("arm,primecell", NOMADIK_UART0_BASE, - "uart0", NULL), - OF_DEV_AUXDATA("arm,primecell", NOMADIK_UART1_BASE, - "uart1", NULL), - OF_DEV_AUXDATA("arm,primecell", NOMADIK_RNG_BASE, - "rng", NULL), - OF_DEV_AUXDATA("arm,primecell", NOMADIK_RTC_BASE, - "rtc-pl031", NULL), - OF_DEV_AUXDATA("stericsson,fsmc-nand", NOMADIK_FSMC_BASE, - "fsmc-nand", &cpu8815_nand_data), - OF_DEV_AUXDATA("arm,primecell", NOMADIK_SDI_BASE, - "mmci", &mmcsd_plat_data), - { /* sentinel */ }, -}; - -static void __init cpu8815_init_of(void) -{ -#ifdef CONFIG_CACHE_L2X0 - /* At full speed latency must be >=2, so 0x249 in low bits */ - l2x0_of_init(0x00730249, 0xfe000fff); -#endif - pinctrl_register_mappings(nhk8815_pinmap, ARRAY_SIZE(nhk8815_pinmap)); - of_platform_populate(NULL, of_default_bus_match_table, - cpu8815_auxdata_lookup, NULL); -} - static const char * cpu8815_board_compat[] = { "calaosystems,usb-s8815", NULL, }; DT_MACHINE_START(NOMADIK_DT, "Nomadik STn8815") + /* At full speed latency must be >=2, so 0x249 in low bits */ + .l2c_aux_val = 0x00700249, + .l2c_aux_mask = 0xfe0fefff, .map_io = cpu8815_map_io, - .init_irq = irqchip_init, - .init_time = cpu8815_timer_init_of, - .init_machine = cpu8815_init_of, .restart = cpu8815_restart, .dt_compat = cpu8815_board_compat, MACHINE_END diff --git a/arch/arm/mach-nomadik/include/mach/debug-macro.S b/arch/arm/mach-nomadik/include/mach/debug-macro.S deleted file mode 100644 index 735417922ce..00000000000 --- a/arch/arm/mach-nomadik/include/mach/debug-macro.S +++ /dev/null @@ -1,20 +0,0 @@ -/* - * Debugging macro include header - * - * Copyright (C) 1994-1999 Russell King - * Moved from linux/arch/arm/kernel/debug.S 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. - * -*/ - - .macro addruart, rp, rv, tmp - mov \rp, #0x00100000 - add \rp, \rp, #0x000fb000 - add \rv, \rp, #0xf0000000 @ virtual base - add \rp, \rp, #0x10000000 @ physical base address - .endm - -#include <asm/hardware/debug-pl01x.S> diff --git a/arch/arm/mach-nomadik/include/mach/irqs.h b/arch/arm/mach-nomadik/include/mach/irqs.h deleted file mode 100644 index 90ac965a92f..00000000000 --- a/arch/arm/mach-nomadik/include/mach/irqs.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * mach-nomadik/include/mach/irqs.h - * - * Copyright (C) ST Microelectronics - * - * 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 - */ -#ifndef __ASM_ARCH_IRQS_H -#define __ASM_ARCH_IRQS_H - -#define IRQ_VIC_START 32 /* first VIC interrupt is 1 */ - -/* - * Interrupt numbers generic for all Nomadik Chip cuts - */ -#define IRQ_WATCHDOG (IRQ_VIC_START+0) -#define IRQ_SOFTINT (IRQ_VIC_START+1) -#define IRQ_CRYPTO (IRQ_VIC_START+2) -#define IRQ_OWM (IRQ_VIC_START+3) -#define IRQ_MTU0 (IRQ_VIC_START+4) -#define IRQ_MTU1 (IRQ_VIC_START+5) -#define IRQ_GPIO0 (IRQ_VIC_START+6) -#define IRQ_GPIO1 (IRQ_VIC_START+7) -#define IRQ_GPIO2 (IRQ_VIC_START+8) -#define IRQ_GPIO3 (IRQ_VIC_START+9) -#define IRQ_RTC_RTT (IRQ_VIC_START+10) -#define IRQ_SSP (IRQ_VIC_START+11) -#define IRQ_UART0 (IRQ_VIC_START+12) -#define IRQ_DMA1 (IRQ_VIC_START+13) -#define IRQ_CLCD_MDIF (IRQ_VIC_START+14) -#define IRQ_DMA0 (IRQ_VIC_START+15) -#define IRQ_PWRFAIL (IRQ_VIC_START+16) -#define IRQ_UART1 (IRQ_VIC_START+17) -#define IRQ_FIRDA (IRQ_VIC_START+18) -#define IRQ_MSP0 (IRQ_VIC_START+19) -#define IRQ_I2C0 (IRQ_VIC_START+20) -#define IRQ_I2C1 (IRQ_VIC_START+21) -#define IRQ_SDMMC (IRQ_VIC_START+22) -#define IRQ_USBOTG (IRQ_VIC_START+23) -#define IRQ_SVA_IT0 (IRQ_VIC_START+24) -#define IRQ_SVA_IT1 (IRQ_VIC_START+25) -#define IRQ_SAA_IT0 (IRQ_VIC_START+26) -#define IRQ_SAA_IT1 (IRQ_VIC_START+27) -#define IRQ_UART2 (IRQ_VIC_START+28) -#define IRQ_MSP2 (IRQ_VIC_START+29) -#define IRQ_L2CC (IRQ_VIC_START+30) -#define IRQ_HPI (IRQ_VIC_START+31) -#define IRQ_SKE (IRQ_VIC_START+32) -#define IRQ_KP (IRQ_VIC_START+33) -#define IRQ_MEMST (IRQ_VIC_START+34) -#define IRQ_SGA_IT (IRQ_VIC_START+35) -#define IRQ_USBM (IRQ_VIC_START+36) -#define IRQ_MSP1 (IRQ_VIC_START+37) - -#define NOMADIK_GPIO_OFFSET (IRQ_VIC_START+64) - -/* After chip-specific IRQ numbers we have the GPIO ones */ -#define NOMADIK_NR_GPIO 128 /* last 4 not wired to pins */ -#define NOMADIK_GPIO_TO_IRQ(gpio) ((gpio) + NOMADIK_GPIO_OFFSET) -#define NOMADIK_IRQ_TO_GPIO(irq) ((irq) - NOMADIK_GPIO_OFFSET) -#define NOMADIK_NR_IRQS NOMADIK_GPIO_TO_IRQ(NOMADIK_NR_GPIO) - -/* Following two are used by entry_macro.S, to access our dual-vic */ -#define VIC_REG_IRQSR0 0 -#define VIC_REG_IRQSR1 0x20 - -#endif /* __ASM_ARCH_IRQS_H */ diff --git a/arch/arm/mach-nomadik/include/mach/timex.h b/arch/arm/mach-nomadik/include/mach/timex.h deleted file mode 100644 index 318b8896ce9..00000000000 --- a/arch/arm/mach-nomadik/include/mach/timex.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_ARCH_TIMEX_H -#define __ASM_ARCH_TIMEX_H - -#define CLOCK_TICK_RATE 2400000 - -#endif diff --git a/arch/arm/mach-nomadik/include/mach/uncompress.h b/arch/arm/mach-nomadik/include/mach/uncompress.h deleted file mode 100644 index 106fccca202..00000000000 --- a/arch/arm/mach-nomadik/include/mach/uncompress.h +++ /dev/null @@ -1,60 +0,0 @@ -/* - * Copyright (C) 2008 STMicroelectronics - * - * 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 - */ - -#ifndef __ASM_ARCH_UNCOMPRESS_H -#define __ASM_ARCH_UNCOMPRESS_H - -#include <asm/setup.h> -#include <asm/io.h> - -/* we need the constants in amba/serial.h, but it refers to amba_device */ -struct amba_device; -#include <linux/amba/serial.h> - -#define NOMADIK_UART_DR (void __iomem *)0x101FB000 -#define NOMADIK_UART_LCRH (void __iomem *)0x101FB02c -#define NOMADIK_UART_CR (void __iomem *)0x101FB030 -#define NOMADIK_UART_FR (void __iomem *)0x101FB018 - -static void putc(const char c) -{ - /* Do nothing if the UART is not enabled. */ - if (!(readb(NOMADIK_UART_CR) & UART01x_CR_UARTEN)) - return; - - if (c == '\n') - putc('\r'); - - while (readb(NOMADIK_UART_FR) & UART01x_FR_TXFF) - barrier(); - writeb(c, NOMADIK_UART_DR); -} - -static void flush(void) -{ - if (!(readb(NOMADIK_UART_CR) & UART01x_CR_UARTEN)) - return; - while (readb(NOMADIK_UART_FR) & UART01x_FR_BUSY) - barrier(); -} - -static inline void arch_decomp_setup(void) -{ -} - -#endif /* __ASM_ARCH_UNCOMPRESS_H */ |
