diff options
Diffstat (limited to 'arch/blackfin/mach-bf548/boards/cm_bf548.c')
| -rw-r--r-- | arch/blackfin/mach-bf548/boards/cm_bf548.c | 620 |
1 files changed, 620 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf548/boards/cm_bf548.c b/arch/blackfin/mach-bf548/boards/cm_bf548.c new file mode 100644 index 00000000000..1aa3c1b86bc --- /dev/null +++ b/arch/blackfin/mach-bf548/boards/cm_bf548.c @@ -0,0 +1,620 @@ +/* + * File: arch/blackfin/mach-bf548/boards/cm_bf548.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 <linux/usb/musb.h> +#include <asm/bfin5xx_spi.h> +#include <asm/cplb.h> +#include <asm/dma.h> +#include <asm/gpio.h> +#include <asm/nand.h> +#include <asm/portmux.h> +#include <asm/mach/bf54x_keys.h> +#include <linux/input.h> +#include <linux/spi/ad7877.h> + +/* + * Name the Board for the /proc/cpuinfo + */ +const char bfin_board_name[] = "Bluetechnix CM-BF548"; + +/* + * Driver needs to know address, irq and flag pin. + */ + +#if defined(CONFIG_FB_BF54X_LQ043) || defined(CONFIG_FB_BF54X_LQ043_MODULE) + +#include <asm/mach/bf54x-lq043.h> + +static struct bfin_bf54xfb_mach_info bf54x_lq043_data = { + .width = 480, + .height = 272, + .xres = {480, 480, 480}, + .yres = {272, 272, 272}, + .bpp = {24, 24, 24}, + .disp = GPIO_PE3, +}; + +static struct resource bf54x_lq043_resources[] = { + { + .start = IRQ_EPPI0_ERR, + .end = IRQ_EPPI0_ERR, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bf54x_lq043_device = { + .name = "bf54x-lq043", + .id = -1, + .num_resources = ARRAY_SIZE(bf54x_lq043_resources), + .resource = bf54x_lq043_resources, + .dev = { + .platform_data = &bf54x_lq043_data, + }, +}; +#endif + +#if defined(CONFIG_KEYBOARD_BFIN) || defined(CONFIG_KEYBOARD_BFIN_MODULE) +static unsigned int bf548_keymap[] = { + KEYVAL(0, 0, KEY_ENTER), + KEYVAL(0, 1, KEY_HELP), + KEYVAL(0, 2, KEY_0), + KEYVAL(0, 3, KEY_BACKSPACE), + KEYVAL(1, 0, KEY_TAB), + KEYVAL(1, 1, KEY_9), + KEYVAL(1, 2, KEY_8), + KEYVAL(1, 3, KEY_7), + KEYVAL(2, 0, KEY_DOWN), + KEYVAL(2, 1, KEY_6), + KEYVAL(2, 2, KEY_5), + KEYVAL(2, 3, KEY_4), + KEYVAL(3, 0, KEY_UP), + KEYVAL(3, 1, KEY_3), + KEYVAL(3, 2, KEY_2), + KEYVAL(3, 3, KEY_1), +}; + +static struct bfin_kpad_platform_data bf54x_kpad_data = { + .rows = 4, + .cols = 4, + .keymap = bf548_keymap, + .keymapsize = ARRAY_SIZE(bf548_keymap), + .repeat = 0, + .debounce_time = 5000, /* ns (5ms) */ + .coldrive_time = 1000, /* ns (1ms) */ + .keyup_test_interval = 50, /* ms (50ms) */ +}; + +static struct resource bf54x_kpad_resources[] = { + { + .start = IRQ_KEY, + .end = IRQ_KEY, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bf54x_kpad_device = { + .name = "bf54x-keys", + .id = -1, + .num_resources = ARRAY_SIZE(bf54x_kpad_resources), + .resource = bf54x_kpad_resources, + .dev = { + .platform_data = &bf54x_kpad_data, + }, +}; +#endif + +#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 +#ifdef CONFIG_SERIAL_BFIN_UART3 + { + .start = 0xFFC03100, + .end = 0xFFC031FF, + }, +#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_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) +static struct resource smsc911x_resources[] = { + { + .name = "smsc911x-memory", + .start = 0x24000000, + .end = 0x24000000 + 0xFF, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_PE6, + .end = IRQ_PE6, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, + }, +}; +static struct platform_device smsc911x_device = { + .name = "smsc911x", + .id = 0, + .num_resources = ARRAY_SIZE(smsc911x_resources), + .resource = smsc911x_resources, +}; +#endif + +#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) +static struct resource musb_resources[] = { + [0] = { + .start = 0xFFC03C00, + .end = 0xFFC040FF, + .flags = IORESOURCE_MEM, + }, + [1] = { /* general IRQ */ + .start = IRQ_USB_INT0, + .end = IRQ_USB_INT0, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + }, + [2] = { /* DMA IRQ */ + .start = IRQ_USB_DMA, + .end = IRQ_USB_DMA, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + }, +}; + +static struct musb_hdrc_platform_data musb_plat = { +#if defined(CONFIG_USB_MUSB_OTG) + .mode = MUSB_OTG, +#elif defined(CONFIG_USB_MUSB_HDRC_HCD) + .mode = MUSB_HOST, +#elif defined(CONFIG_USB_GADGET_MUSB_HDRC) + .mode = MUSB_PERIPHERAL, +#endif + .multipoint = 0, +}; + +static u64 musb_dmamask = ~(u32)0; + +static struct platform_device musb_device = { + .name = "musb_hdrc", + .id = 0, + .dev = { + .dma_mask = &musb_dmamask, + .coherent_dma_mask = 0xffffffff, + .platform_data = &musb_plat, + }, + .num_resources = ARRAY_SIZE(musb_resources), + .resource = musb_resources, +}; +#endif + +#if defined(CONFIG_PATA_BF54X) || defined(CONFIG_PATA_BF54X_MODULE) +static struct resource bfin_atapi_resources[] = { + { + .start = 0xFFC03800, + .end = 0xFFC0386F, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_ATAPI_ERR, + .end = IRQ_ATAPI_ERR, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bfin_atapi_device = { + .name = "pata-bf54x", + .id = -1, + .num_resources = ARRAY_SIZE(bfin_atapi_resources), + .resource = bfin_atapi_resources, +}; +#endif + +#if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE) +static struct mtd_partition partition_info[] = { + { + .name = "Linux Kernel", + .offset = 0, + .size = 4 * SIZE_1M, + }, + { + .name = "File System", + .offset = 4 * SIZE_1M, + .size = (256 - 4) * SIZE_1M, + }, +}; + +static struct bf5xx_nand_platform bf5xx_nand_platform = { + .page_size = NFC_PG_SIZE_256, + .data_width = NFC_NWIDTH_8, + .partitions = partition_info, + .nr_partitions = ARRAY_SIZE(partition_info), + .rd_dly = 3, + .wr_dly = 3, +}; + +static struct resource bf5xx_nand_resources[] = { + { + .start = 0xFFC03B00, + .end = 0xFFC03B4F, + .flags = IORESOURCE_MEM, + }, + { + .start = CH_NFC, + .end = CH_NFC, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bf5xx_nand_device = { + .name = "bf5xx-nand", + .id = 0, + .num_resources = ARRAY_SIZE(bf5xx_nand_resources), + .resource = bf5xx_nand_resources, + .dev = { + .platform_data = &bf5xx_nand_platform, + }, +}; +#endif + +#if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE) +static struct platform_device bf54x_sdh_device = { + .name = "bfin-sdh", + .id = 0, +}; +#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", + .size = 0x00040000, + .offset = 0, + .mask_flags = MTD_CAP_ROM + }, { + .name = "linux kernel", + .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_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE) +static struct bfin5xx_spi_chip spi_ad7877_chip_info = { + .cs_change_per_word = 0, + .enable_dma = 0, + .bits_per_word = 16, +}; + +static const struct ad7877_platform_data bfin_ad7877_ts_info = { + .model = 7877, + .vref_delay_usecs = 50, /* internal, no capacitor */ + .x_plate_ohms = 419, + .y_plate_ohms = 486, + .pressure_max = 1000, + .pressure_min = 0, + .stopacq_polarity = 1, + .first_conversion_delay = 3, + .acquisition_time = 1, + .averaging = 1, + .pen_down_acc_interval = 1, +}; +#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 + +static struct spi_board_info bf54x_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_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE) +{ + .modalias = "ad7877", + .platform_data = &bfin_ad7877_ts_info, + .irq = IRQ_PJ11, + .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 2, + .controller_data = &spi_ad7877_chip_info, +}, +#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 controller data */ +static struct bfin5xx_spi_master bf54x_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 bf54x_spi_master0 = { + .name = "bfin-spi", + .id = 0, /* Bus number */ + .num_resources = ARRAY_SIZE(bfin_spi0_resource), + .resource = bfin_spi0_resource, + .dev = { + .platform_data = &bf54x_spi_master_info0, /* Passed to driver */ + }, +}; + +static struct bfin5xx_spi_master bf54x_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 bf54x_spi_master1 = { + .name = "bfin-spi", + .id = 1, /* Bus number */ + .num_resources = ARRAY_SIZE(bfin_spi1_resource), + .resource = bfin_spi1_resource, + .dev = { + .platform_data = &bf54x_spi_master_info1, /* 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_PH7, 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 struct platform_device *cm_bf548_devices[] __initdata = { +#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_FB_BF54X_LQ043) || defined(CONFIG_FB_BF54X_LQ043_MODULE) + &bf54x_lq043_device, +#endif + +#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) + &smsc911x_device, +#endif + +#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) + &musb_device, +#endif + +#if defined(CONFIG_PATA_BF54X) || defined(CONFIG_PATA_BF54X_MODULE) + &bfin_atapi_device, +#endif + +#if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE) + &bf5xx_nand_device, +#endif + +#if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE) + &bf54x_sdh_device, +#endif + +#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) + &bf54x_spi_master0, + &bf54x_spi_master1, +#endif + +#if defined(CONFIG_KEYBOARD_BFIN) || defined(CONFIG_KEYBOARD_BFIN_MODULE) + &bf54x_kpad_device, +#endif + +#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE) +/* &i2c_bfin_twi0_device, */ +#if !defined(CONFIG_BF542) + &i2c_bfin_twi1_device, +#endif +#endif + +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) + &bfin_device_gpiokeys, +#endif +}; + +static int __init cm_bf548_init(void) +{ + printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__); + platform_add_devices(cm_bf548_devices, ARRAY_SIZE(cm_bf548_devices)); + +#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) + spi_register_board_info(bf54x_spi_board_info, + ARRAY_SIZE(bf54x_spi_board_info)); +#endif + + return 0; +} + +arch_initcall(cm_bf548_init); |