diff options
author | Michael Hennerich <michael.hennerich@analog.com> | 2008-11-18 17:48:22 +0800 |
---|---|---|
committer | Bryan Wu <cooloney@kernel.org> | 2008-11-18 17:48:22 +0800 |
commit | dc26aec25d1a4e2690df166dbe843344728994ce (patch) | |
tree | 36717399eff88602af964f9f80814f9210698d95 /arch/blackfin/mach-bf538 | |
parent | f940260a980a1ad7570dfd7a4b73c6ad2207f738 (diff) |
Blackfin arch: BF538/9 Linux kernel Support
Add supporing for Blackfin BF538 and BF539 processors.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/mach-bf538')
21 files changed, 9185 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf538/Kconfig b/arch/blackfin/mach-bf538/Kconfig new file mode 100644 index 00000000000..a6f3307758c --- /dev/null +++ b/arch/blackfin/mach-bf538/Kconfig @@ -0,0 +1,164 @@ +if (BF538 || BF539) + +source "arch/blackfin/mach-bf538/boards/Kconfig" + +menu "BF538 Specific Configuration" + +comment "Interrupt Priority Assignment" +menu "Priority" + +config IRQ_PLL_WAKEUP + int "IRQ_PLL_WAKEUP" + default 7 +config IRQ_DMA0_ERROR + int "IRQ_DMA0_ERROR" + default 7 +config IRQ_PPI_ERROR + int "IRQ_PPI_ERROR" + default 7 +config IRQ_SPORT0_ERROR + int "IRQ_SPORT0_ERROR" + default 7 +config IRQ_SPORT1_ERROR + int "IRQ_SPORT1_ERROR" + default 7 +config IRQ_SPI0_ERROR + int "IRQ_SPI0_ERROR" + default 7 +config IRQ_UART0_ERROR + int "IRQ_UART0_ERROR" + default 7 +config IRQ_RTC + int "IRQ_RTC" + default 8 +config IRQ_PPI + int "IRQ_PPI" + default 8 +config IRQ_SPORT0_RX + int "IRQ_SPORT0_RX" + default 9 +config IRQ_SPORT0_TX + int "IRQ_SPORT0_TX" + default 9 +config IRQ_SPORT1_RX + int "IRQ_SPORT1_RX" + default 9 +config IRQ_SPORT1_TX + int "IRQ_SPORT1_TX" + default 9 +config IRQ_SPI0 + int "IRQ_SPI0" + default 10 +config IRQ_UART0_RX + int "IRQ_UART0_RX" + default 10 +config IRQ_UART0_TX + int "IRQ_UART0_TX" + default 10 +config IRQ_TMR0 + int "IRQ_TMR0" + default 11 +config IRQ_TMR1 + int "IRQ_TMR1" + default 11 +config IRQ_TMR2 + int "IRQ_TMR2" + default 11 +config IRQ_PORTF_INTA + int "IRQ_PORTF_INTA" + default 12 +config IRQ_PORTF_INTB + int "IRQ_PORTF_INTB" + default 12 +config IRQ_MEM0_DMA0 + int "IRQ_MEM0_DMA0" + default 13 +config IRQ_MEM0_DMA1 + int "IRQ_MEM0_DMA1" + default 13 +config IRQ_WATCH + int "IRQ_WATCH" + default 13 +config IRQ_DMA1_ERROR + int "IRQ_DMA1_ERROR" + default 7 +config IRQ_SPORT2_ERROR + int "IRQ_SPORT2_ERROR" + default 7 +config IRQ_SPORT3_ERROR + int "IRQ_SPORT3_ERROR" + default 7 +config IRQ_SPI1_ERROR + int "IRQ_SPI1_ERROR" + default 7 +config IRQ_SPI2_ERROR + int "IRQ_SPI2_ERROR" + default 7 +config IRQ_UART1_ERROR + int "IRQ_UART1_ERROR" + default 7 +config IRQ_UART2_ERROR + int "IRQ_UART2_ERROR" + default 7 +config IRQ_CAN_ERROR + int "IRQ_CAN_ERROR" + default 7 +config IRQ_SPORT2_RX + int "IRQ_SPORT2_RX" + default 9 +config IRQ_SPORT2_TX + int "IRQ_SPORT2_TX" + default 9 +config IRQ_SPORT3_RX + int "IRQ_SPORT3_RX" + default 9 +config IRQ_SPORT3_TX + int "IRQ_SPORT3_TX" + default 9 +config IRQ_SPI1 + int "IRQ_SPI1" + default 10 +config IRQ_SPI2 + int "IRQ_SPI2" + default 10 +config IRQ_UART1_RX + int "IRQ_UART1_RX" + default 10 +config IRQ_UART1_TX + int "IRQ_UART1_TX" + default 10 +config IRQ_UART2_RX + int "IRQ_UART2_RX" + default 10 +config IRQ_UART2_TX + int "IRQ_UART2_TX" + default 10 +config IRQ_TWI0 + int "IRQ_TWI0" + default 11 +config IRQ_TWI1 + int "IRQ_TWI1" + default 11 +config IRQ_CAN_RX + int "IRQ_CAN_RX" + default 11 +config IRQ_CAN_TX + int "IRQ_CAN_TX" + default 11 +config IRQ_MEM1_DMA0 + int "IRQ_MEM1_DMA0" + default 13 +config IRQ_MEM1_DMA1 + int "IRQ_MEM1_DMA1" + default 13 + + help + Enter the priority numbers between 7-13 ONLY. Others are Reserved. + This applies to all the above. It is not recommended to assign the + highest priority number 7 to UART or any other device. + +endmenu + +endmenu + +endif diff --git a/arch/blackfin/mach-bf538/Makefile b/arch/blackfin/mach-bf538/Makefile new file mode 100644 index 00000000000..1f093c4f723 --- /dev/null +++ b/arch/blackfin/mach-bf538/Makefile @@ -0,0 +1,7 @@ +# +# arch/blackfin/mach-bf538/Makefile +# + +extra-y := head.o + +obj-y := ints-priority.o dma.o diff --git a/arch/blackfin/mach-bf538/boards/Kconfig b/arch/blackfin/mach-bf538/boards/Kconfig new file mode 100644 index 00000000000..215249ba58b --- /dev/null +++ b/arch/blackfin/mach-bf538/boards/Kconfig @@ -0,0 +1,12 @@ +choice + prompt "System type" + default BFIN538_EZKIT + help + Select your board! + +config BFIN538_EZKIT + bool "BF538-EZKIT" + help + BF538-EZKIT-LITE board support. + +endchoice diff --git a/arch/blackfin/mach-bf538/boards/Makefile b/arch/blackfin/mach-bf538/boards/Makefile new file mode 100644 index 00000000000..6143b320d58 --- /dev/null +++ b/arch/blackfin/mach-bf538/boards/Makefile @@ -0,0 +1,5 @@ +# +# arch/blackfin/mach-bf538/boards/Makefile +# + +obj-$(CONFIG_BFIN538_EZKIT) += ezkit.o diff --git a/arch/blackfin/mach-bf538/boards/ezkit.c b/arch/blackfin/mach-bf538/boards/ezkit.c new file mode 100644 index 00000000000..0969e8145bc --- /dev/null +++ b/arch/blackfin/mach-bf538/boards/ezkit.c @@ -0,0 +1,538 @@ +/* + * File: arch/blackfin/mach-bf538/boards/ezkit.c + * Based on: arch/blackfin/mach-bf537/boards/ezkit.c + * Author: Aidan Williams <aidan@nicta.com.au> + * + * Created: + * Description: + * + * Modified: + * Copyright 2005 National ICT Australia (NICTA) + * Copyright 2004-2008 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + * 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, see the file COPYING, or write + * to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/spi/spi.h> +#include <linux/spi/flash.h> +#include <linux/irq.h> +#include <linux/interrupt.h> +#include <asm/bfin5xx_spi.h> +#include <asm/dma.h> +#include <asm/gpio.h> +#include <asm/nand.h> +#include <asm/portmux.h> +#include <asm/dpmc.h> +#include <linux/input.h> + +/* + * Name the Board for the /proc/cpuinfo + */ +const char bfin_board_name[] = "ADSP-BF538-EZKIT"; + +/* + * Driver needs to know address, irq and flag pin. + */ + + +#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) +static struct platform_device rtc_device = { + .name = "rtc-bfin", + .id = -1, +}; +#endif + +#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) +static struct resource bfin_uart_resources[] = { +#ifdef CONFIG_SERIAL_BFIN_UART0 + { + .start = 0xFFC00400, + .end = 0xFFC004FF, + .flags = IORESOURCE_MEM, + }, +#endif +#ifdef CONFIG_SERIAL_BFIN_UART1 + { + .start = 0xFFC02000, + .end = 0xFFC020FF, + .flags = IORESOURCE_MEM, + }, +#endif +#ifdef CONFIG_SERIAL_BFIN_UART2 + { + .start = 0xFFC02100, + .end = 0xFFC021FF, + .flags = IORESOURCE_MEM, + }, +#endif +}; + +static struct platform_device bfin_uart_device = { + .name = "bfin-uart", + .id = 1, + .num_resources = ARRAY_SIZE(bfin_uart_resources), + .resource = bfin_uart_resources, +}; +#endif + +#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) +static struct resource bfin_sir_resources[] = { +#ifdef CONFIG_BFIN_SIR0 + { + .start = 0xFFC00400, + .end = 0xFFC004FF, + .flags = IORESOURCE_MEM, + }, +#endif +#ifdef CONFIG_BFIN_SIR1 + { + .start = 0xFFC02000, + .end = 0xFFC020FF, + .flags = IORESOURCE_MEM, + }, +#endif +#ifdef CONFIG_BFIN_SIR2 + { + .start = 0xFFC02100, + .end = 0xFFC021FF, + .flags = IORESOURCE_MEM, + }, +#endif +}; + +static struct platform_device bfin_sir_device = { + .name = "bfin_sir", + .id = 0, + .num_resources = ARRAY_SIZE(bfin_sir_resources), + .resource = bfin_sir_resources, +}; +#endif + +/* + * USB-LAN EzExtender board + * Driver needs to know address, irq and flag pin. + */ +#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) +static struct resource smc91x_resources[] = { + { + .name = "smc91x-regs", + .start = 0x20310300, + .end = 0x20310300 + 16, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_PF0, + .end = IRQ_PF0, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + }, +}; +static struct platform_device smc91x_device = { + .name = "smc91x", + .id = 0, + .num_resources = ARRAY_SIZE(smc91x_resources), + .resource = smc91x_resources, +}; +#endif + +#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) +/* all SPI peripherals info goes here */ +#if defined(CONFIG_MTD_M25P80) \ + || defined(CONFIG_MTD_M25P80_MODULE) +/* SPI flash chip (m25p16) */ +static struct mtd_partition bfin_spi_flash_partitions[] = { + { + .name = "bootloader(spi)", + .size = 0x00040000, + .offset = 0, + .mask_flags = MTD_CAP_ROM + }, { + .name = "linux kernel(spi)", + .size = 0x1c0000, + .offset = 0x40000 + } +}; + +static struct flash_platform_data bfin_spi_flash_data = { + .name = "m25p80", + .parts = bfin_spi_flash_partitions, + .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions), + .type = "m25p16", +}; + +static struct bfin5xx_spi_chip spi_flash_chip_info = { + .enable_dma = 0, /* use dma transfer with this chip*/ + .bits_per_word = 8, + .cs_change_per_word = 0, +}; +#endif + +#if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE) +#include <linux/spi/ad7879.h> +static const struct ad7879_platform_data bfin_ad7879_ts_info = { + .model = 7879, /* Model = AD7879 */ + .x_plate_ohms = 620, /* 620 Ohm from the touch datasheet */ + .pressure_max = 10000, + .pressure_min = 0, + .first_conversion_delay = 3, /* wait 512us before do a first conversion */ + .acquisition_time = 1, /* 4us acquisition time per sample */ + .median = 2, /* do 8 measurements */ + .averaging = 1, /* take the average of 4 middle samples */ + .pen_down_acc_interval = 255, /* 9.4 ms */ + .gpio_output = 1, /* configure AUX/VBAT/GPIO as GPIO output */ + .gpio_default = 1, /* During initialization set GPIO = HIGH */ +}; +#endif + +#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE) +static struct bfin5xx_spi_chip spi_ad7879_chip_info = { + .enable_dma = 0, + .bits_per_word = 16, +}; +#endif + +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) +#include <asm/bfin-lq035q1.h> + +static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = { + .mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB, + .use_bl = 0, /* let something else control the LCD Blacklight */ + .gpio_bl = GPIO_PF7, +}; + +static struct resource bfin_lq035q1_resources[] = { + { + .start = IRQ_PPI_ERROR, + .end = IRQ_PPI_ERROR, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bfin_lq035q1_device = { + .name = "bfin-lq035q1", + .id = -1, + .num_resources = ARRAY_SIZE(bfin_lq035q1_resources), + .resource = bfin_lq035q1_resources, + .dev = { + .platform_data = &bfin_lq035q1_data, + }, +}; +#endif + +#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) +static struct bfin5xx_spi_chip spidev_chip_info = { + .enable_dma = 0, + .bits_per_word = 8, +}; +#endif + +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) +static struct bfin5xx_spi_chip lq035q1_spi_chip_info = { + .enable_dma = 0, + .bits_per_word = 8, +}; +#endif + +static struct spi_board_info bf538_spi_board_info[] __initdata = { +#if defined(CONFIG_MTD_M25P80) \ + || defined(CONFIG_MTD_M25P80_MODULE) + { + /* the modalias must be the same as spi device driver name */ + .modalias = "m25p80", /* Name of spi_driver for this device */ + .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, /* Framework bus number */ + .chip_select = 1, /* SPI_SSEL1*/ + .platform_data = &bfin_spi_flash_data, + .controller_data = &spi_flash_chip_info, + .mode = SPI_MODE_3, + }, +#endif +#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE) + { + .modalias = "ad7879", + .platform_data = &bfin_ad7879_ts_info, + .irq = IRQ_PF3, + .max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 1, + .controller_data = &spi_ad7879_chip_info, + .mode = SPI_CPHA | SPI_CPOL, + }, +#endif +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) + { + .modalias = "bfin-lq035q1-spi", + .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 2, + .controller_data = &lq035q1_spi_chip_info, + .mode = SPI_CPHA | SPI_CPOL, + }, +#endif +#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) + { + .modalias = "spidev", + .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 1, + .controller_data = &spidev_chip_info, + }, +#endif +}; + +/* SPI (0) */ +static struct resource bfin_spi0_resource[] = { + [0] = { + .start = SPI0_REGBASE, + .end = SPI0_REGBASE + 0xFF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = CH_SPI0, + .end = CH_SPI0, + .flags = IORESOURCE_IRQ, + } +}; + +/* SPI (1) */ +static struct resource bfin_spi1_resource[] = { + [0] = { + .start = SPI1_REGBASE, + .end = SPI1_REGBASE + 0xFF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = CH_SPI1, + .end = CH_SPI1, + .flags = IORESOURCE_IRQ, + } +}; + +/* SPI (2) */ +static struct resource bfin_spi2_resource[] = { + [0] = { + .start = SPI2_REGBASE, + .end = SPI2_REGBASE + 0xFF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = CH_SPI2, + .end = CH_SPI2, + .flags = IORESOURCE_IRQ, + } +}; + +/* SPI controller data */ +static struct bfin5xx_spi_master bf538_spi_master_info0 = { + .num_chipselect = 8, + .enable_dma = 1, /* master has the ability to do dma transfer */ + .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0}, +}; + +static struct platform_device bf538_spi_master0 = { + .name = "bfin-spi", + .id = 0, /* Bus number */ + .num_resources = ARRAY_SIZE(bfin_spi0_resource), + .resource = bfin_spi0_resource, + .dev = { + .platform_data = &bf538_spi_master_info0, /* Passed to driver */ + }, +}; + +static struct bfin5xx_spi_master bf538_spi_master_info1 = { + .num_chipselect = 8, + .enable_dma = 1, /* master has the ability to do dma transfer */ + .pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0}, +}; + +static struct platform_device bf538_spi_master1 = { + .name = "bfin-spi", + .id = 1, /* Bus number */ + .num_resources = ARRAY_SIZE(bfin_spi1_resource), + .resource = bfin_spi1_resource, + .dev = { + .platform_data = &bf538_spi_master_info1, /* Passed to driver */ + }, +}; + +static struct bfin5xx_spi_master bf538_spi_master_info2 = { + .num_chipselect = 8, + .enable_dma = 1, /* master has the ability to do dma transfer */ + .pin_req = {P_SPI2_SCK, P_SPI2_MISO, P_SPI2_MOSI, 0}, +}; + +static struct platform_device bf538_spi_master2 = { + .name = "bfin-spi", + .id = 2, /* Bus number */ + .num_resources = ARRAY_SIZE(bfin_spi2_resource), + .resource = bfin_spi2_resource, + .dev = { + .platform_data = &bf538_spi_master_info2, /* Passed to driver */ + }, +}; + +#endif /* spi master and devices */ + +#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE) +static struct resource bfin_twi0_resource[] = { + [0] = { + .start = TWI0_REGBASE, + .end = TWI0_REGBASE + 0xFF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_TWI0, + .end = IRQ_TWI0, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device i2c_bfin_twi0_device = { + .name = "i2c-bfin-twi", + .id = 0, + .num_resources = ARRAY_SIZE(bfin_twi0_resource), + .resource = bfin_twi0_resource, +}; + +#if !defined(CONFIG_BF542) /* The BF542 only has 1 TWI */ +static struct resource bfin_twi1_resource[] = { + [0] = { + .start = TWI1_REGBASE, + .end = TWI1_REGBASE + 0xFF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_TWI1, + .end = IRQ_TWI1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device i2c_bfin_twi1_device = { + .name = "i2c-bfin-twi", + .id = 1, + .num_resources = ARRAY_SIZE(bfin_twi1_resource), + .resource = bfin_twi1_resource, +}; +#endif +#endif + +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +#include <linux/gpio_keys.h> + +static struct gpio_keys_button bfin_gpio_keys_table[] = { + {BTN_0, GPIO_PC7, 1, "gpio-keys: BTN0"}, +}; + +static struct gpio_keys_platform_data bfin_gpio_keys_data = { + .buttons = bfin_gpio_keys_table, + .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table), +}; + +static struct platform_device bfin_device_gpiokeys = { + .name = "gpio-keys", + .dev = { + .platform_data = &bfin_gpio_keys_data, + }, +}; +#endif + +static const unsigned int cclk_vlev_datasheet[] = +{ +/* + * Internal VLEV BF538SBBC1533 + ****temporarily using these values until data sheet is updated + */ + VRPAIR(VLEV_100, 150000000), + VRPAIR(VLEV_100, 250000000), + VRPAIR(VLEV_110, 276000000), + VRPAIR(VLEV_115, 301000000), + VRPAIR(VLEV_120, 525000000), + VRPAIR(VLEV_125, 550000000), + VRPAIR(VLEV_130, 600000000), +}; + +static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = { + .tuple_tab = cclk_vlev_datasheet, + .tabsize = ARRAY_SIZE(cclk_vlev_datasheet), + .vr_settling_time = 25 /* us */, +}; + +static struct platform_device bfin_dpmc = { + .name = "bfin dpmc", + .dev = { + .platform_data = &bfin_dmpc_vreg_data, + }, +}; + +static struct platform_device *cm_bf538_devices[] __initdata = { + + &bfin_dpmc, + +#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) + &rtc_device, +#endif + +#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) + &bfin_uart_device, +#endif + +#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) + &bf538_spi_master0, + &bf538_spi_master1, + &bf538_spi_master2, +#endif + +#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE) + &i2c_bfin_twi0_device, + &i2c_bfin_twi1_device, +#endif + +#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) + &bfin_sir_device, +#endif + +#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) + &smc91x_device, +#endif + +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) + &bfin_lq035q1_device, +#endif + +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) + &bfin_device_gpiokeys, +#endif +}; + +static int __init ezkit_init(void) +{ + printk(KERN_INFO "%s(): registering device resources\n", __func__); + platform_add_devices(cm_bf538_devices, ARRAY_SIZE(cm_bf538_devices)); + +#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) + spi_register_board_info(bf538_spi_board_info, + ARRAY_SIZE(bf538_spi_board_info)); +#endif + + return 0; +} + +arch_initcall(ezkit_init); diff --git a/arch/blackfin/mach-bf538/dma.c b/arch/blackfin/mach-bf538/dma.c new file mode 100644 index 00000000000..359fdaa12b8 --- /dev/null +++ b/arch/blackfin/mach-bf538/dma.c @@ -0,0 +1,161 @@ +/* + * File: arch/blackfin/mach-bf538/dma.c + * Based on: + * Author: + * + * Created: + * Description: This file contains the simple DMA Implementation for Blackfin + * + * Modified: + * Copyright 2008 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + * 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, see the file COPYING, or write + * to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <linux/module.h> + +#include <asm/blackfin.h> +#include <asm/dma.h> + +struct dma_register *dma_io_base_addr[MAX_BLACKFIN_DMA_CHANNEL] = { + (struct dma_register *) DMA0_NEXT_DESC_PTR, + (struct dma_register *) DMA1_NEXT_DESC_PTR, + (struct dma_register *) DMA2_NEXT_DESC_PTR, + (struct dma_register *) DMA3_NEXT_DESC_PTR, + (struct dma_register *) DMA4_NEXT_DESC_PTR, + (struct dma_register *) DMA5_NEXT_DESC_PTR, + (struct dma_register *) DMA6_NEXT_DESC_PTR, + (struct dma_register *) DMA7_NEXT_DESC_PTR, + (struct dma_register *) DMA8_NEXT_DESC_PTR, + (struct dma_register *) DMA9_NEXT_DESC_PTR, + (struct dma_register *) DMA10_NEXT_DESC_PTR, + (struct dma_register *) DMA11_NEXT_DESC_PTR, + (struct dma_register *) DMA12_NEXT_DESC_PTR, + (struct dma_register *) DMA13_NEXT_DESC_PTR, + (struct dma_register *) DMA14_NEXT_DESC_PTR, + (struct dma_register *) DMA15_NEXT_DESC_PTR, + (struct dma_register *) DMA16_NEXT_DESC_PTR, + (struct dma_register *) DMA17_NEXT_DESC_PTR, + (struct dma_register *) DMA18_NEXT_DESC_PTR, + (struct dma_register *) DMA19_NEXT_DESC_PTR, + (struct dma_register *) MDMA0_D0_NEXT_DESC_PTR, + (struct dma_register *) MDMA0_S0_NEXT_DESC_PTR, + (struct dma_register *) MDMA0_D1_NEXT_DESC_PTR, + (struct dma_register *) MDMA0_S1_NEXT_DESC_PTR, + (struct dma_register *) MDMA1_D0_NEXT_DESC_PTR, + (struct dma_register *) MDMA1_S0_NEXT_DESC_PTR, + (struct dma_register *) MDMA1_D1_NEXT_DESC_PTR, + (struct dma_register *) MDMA1_S1_NEXT_DESC_PTR, +}; +EXPORT_SYMBOL(dma_io_base_addr); + +int channel2irq(unsigned int channel) +{ + int ret_irq = -1; + + switch (channel) { + case CH_PPI: + ret_irq = IRQ_PPI; + break; + + case CH_UART0_RX: + ret_irq = IRQ_UART0_RX; + break; + + case CH_UART0_TX: + ret_irq = IRQ_UART0_TX; + break; + + case CH_UART1_RX: + ret_irq = IRQ_UART1_RX; + break; + + case CH_UART1_TX: + ret_irq = IRQ_UART1_TX; + break; + + case CH_UART2_RX: + ret_irq = IRQ_UART2_RX; + break; + + case CH_UART2_TX: + ret_irq = IRQ_UART2_TX; + break; + + case CH_SPORT0_RX: + ret_irq = IRQ_SPORT0_RX; + break; + + case CH_SPORT0_TX: + ret_irq = IRQ_SPORT0_TX; + break; + + case CH_SPORT1_RX: + ret_irq = IRQ_SPORT1_RX; + break; + + case CH_SPORT1_TX: + ret_irq = IRQ_SPORT1_TX; + break; + + case CH_SPORT2_RX: + ret_irq = IRQ_SPORT2_RX; + break; + + case CH_SPORT2_TX: + ret_irq = IRQ_SPORT2_TX; + break; + + case CH_SPORT3_RX: + ret_irq = IRQ_SPORT3_RX; + break; + + case CH_SPORT3_TX: + ret_irq = IRQ_SPORT3_TX; + break; + + case CH_SPI0: + ret_irq = IRQ_SPI0; + break; + + case CH_SPI1: + ret_irq = IRQ_SPI1; + break; + + case CH_SPI2: + ret_irq = IRQ_SPI2; + break; + + case CH_MEM_STREAM0_SRC: + case CH_MEM_STREAM0_DEST: + ret_irq = IRQ_MEM0_DMA0; + break; + case CH_MEM_STREAM1_SRC: + case CH_MEM_STREAM1_DEST: + ret_irq = IRQ_MEM0_DMA1; + break; + case CH_MEM_STREAM2_SRC: + case CH_MEM_STREAM2_DEST: + ret_irq = IRQ_MEM1_DMA0; + break; + case CH_MEM_STREAM3_SRC: + case CH_MEM_STREAM3_DEST: + ret_irq = IRQ_MEM1_DMA1; + break; + } + return ret_irq; +} diff --git a/arch/blackfin/mach-bf538/head.S b/arch/blackfin/mach-bf538/head.S new file mode 100644 index 00000000000..39013ec9700 --- /dev/null +++ b/arch/blackfin/mach-bf538/head.S @@ -0,0 +1,137 @@ +/* + * File: arch/blackfin/mach-bf538/head.S + * Based on: + * Author: Jeff Dionne <jeff@uclinux.org> COPYRIGHT 1998 D. Jeff Dionne + * + * Created: 1998 + * Description: bf533 startup file + * + * Modified: + * Copyright 2004-2006 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + * 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, see the file COPYING, or write + * to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/linkage.h> +#include <linux/init.h> +#include <asm/blackfin.h> +#ifdef CONFIG_BFIN_KERNEL_CLOCK +#include <asm/mach-common/clocks.h> +#include <asm/mach/mem_init.h> +#endif + +.section .l1.text +#ifdef CONFIG_BFIN_KERNEL_CLOCK +ENTRY(_start_dma_code) + p0.h = hi(SIC_IWR0); + p0.l = lo(SIC_IWR0); + r0.l = 0x1; + r0.h = 0x0; + [p0] = r0; + SSYNC; + + /* + * Set PLL_CTL + * - [14:09] = MSEL[5:0] : CLKIN / VCO multiplication factors + * - [8] = BYPASS : BYPASS the PLL, run CLKIN into CCLK/SCLK + * - [7] = output delay (add 200ps of delay to mem signals) + * - [6] = input delay (add 200ps of input delay to mem signals) + * - [5] = PDWN : 1=All Clocks off + * - [3] = STOPCK : 1=Core Clock off + * - [1] = PLL_OFF : 1=Disable Power to PLL + * - [0] = DF : 1=Pass CLKIN/2 to PLL / 0=Pass CLKIN to PLL + * all other bits set to zero + */ + + p0.h = hi(PLL_LOCKCNT); + p0.l = lo(PLL_LOCKCNT); + r0 = 0x300(Z); + w[p0] = r0.l; + ssync; + + P2.H = hi(EBIU_SDGCTL); + P2.L = lo(EBIU_SDGCTL); + R0 = [P2]; + BITSET (R0, 24); + [P2] = R0; + SSYNC; + + r0 = CONFIG_VCO_MULT & 63; /* Load the VCO multiplier */ + r0 = r0 << 9; /* Shift it over, */ + r1 = CLKIN_HALF; /* Do we need to divide CLKIN by 2?*/ + r0 = r1 | r0; + r1 = PLL_BYPASS; /* Bypass the PLL? */ + r1 = r1 << 8; /* Shift it over */ + r0 = r1 | r0; /* add them all together */ +#ifdef ANOMALY_05000265 + BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ +#endif + + p0.h = hi(PLL_CTL); + p0.l = lo(PLL_CTL); /* Load the address */ + cli r2; /* Disable interrupts */ + ssync; + w[p0] = r0.l; /* Set the value */ + idle; /* Wait for the PL |