diff options
Diffstat (limited to 'arch/arm/mach-at91/board-sam9rlek.c')
| -rw-r--r-- | arch/arm/mach-at91/board-sam9rlek.c | 236 |
1 files changed, 182 insertions, 54 deletions
diff --git a/arch/arm/mach-at91/board-sam9rlek.c b/arch/arm/mach-at91/board-sam9rlek.c index bc0546d7245..b64648b4a1f 100644 --- a/arch/arm/mach-at91/board-sam9rlek.c +++ b/arch/arm/mach-at91/board-sam9rlek.c @@ -8,6 +8,7 @@ */ #include <linux/types.h> +#include <linux/gpio.h> #include <linux/init.h> #include <linux/mm.h> #include <linux/module.h> @@ -15,10 +16,12 @@ #include <linux/spi/spi.h> #include <linux/fb.h> #include <linux/clk.h> +#include <linux/input.h> +#include <linux/gpio_keys.h> +#include <linux/platform_data/at91_adc.h> #include <video/atmel_lcdc.h> -#include <asm/hardware.h> #include <asm/setup.h> #include <asm/mach-types.h> #include <asm/irq.h> @@ -27,47 +30,41 @@ #include <asm/mach/map.h> #include <asm/mach/irq.h> -#include <asm/arch/board.h> -#include <asm/arch/gpio.h> -#include <asm/arch/at91sam926x_mc.h> +#include <mach/hardware.h> +#include <mach/at91sam9_smc.h> -#include "generic.h" +#include "at91_aic.h" +#include "at91_shdwc.h" +#include "board.h" +#include "sam9_smc.h" +#include "generic.h" +#include "gpio.h" -/* - * Serial port configuration. - * 0 .. 3 = USART0 .. USART3 - * 4 = DBGU - */ -static struct at91_uart_config __initdata ek_uart_config = { - .console_tty = 0, /* ttyS0 */ - .nr_tty = 2, - .tty_map = { 4, 0, -1, -1, -1 } /* ttyS0, ..., ttyS4 */ -}; -static void __init ek_map_io(void) +static void __init ek_init_early(void) { /* Initialize processor: 12.000 MHz crystal */ - at91sam9rl_initialize(12000000); - - /* Setup the serial ports and console */ - at91_init_serial(&ek_uart_config); + at91_initialize(12000000); } -static void __init ek_init_irq(void) -{ - at91sam9rl_init_interrupts(NULL); -} +/* + * USB HS Device port + */ +static struct usba_platform_data __initdata ek_usba_udc_data = { + .vbus_pin = AT91_PIN_PA8, +}; /* * MCI (SD/MMC) */ -static struct at91_mmc_data __initdata ek_mmc_data = { - .wire4 = 1, - .det_pin = AT91_PIN_PA15, -// .wp_pin = ... not connected -// .vcc_pin = ... not connected +static struct mci_platform_data __initdata mci0_data = { + .slot[0] = { + .bus_width = 4, + .detect_pin = AT91_PIN_PA15, + .wp_pin = -EINVAL, + }, }; @@ -78,31 +75,53 @@ static struct mtd_partition __initdata ek_nand_partition[] = { { .name = "Partition 1", .offset = 0, - .size = 256 * 1024, + .size = SZ_256K, }, { .name = "Partition 2", - .offset = 256 * 1024 , + .offset = MTDPART_OFS_NXTBLK, .size = MTDPART_SIZ_FULL, }, }; -static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) -{ - *num_partitions = ARRAY_SIZE(ek_nand_partition); - return ek_nand_partition; -} - -static struct at91_nand_data __initdata ek_nand_data = { +static struct atmel_nand_data __initdata ek_nand_data = { .ale = 21, .cle = 22, -// .det_pin = ... not connected + .det_pin = -EINVAL, .rdy_pin = AT91_PIN_PD17, .enable_pin = AT91_PIN_PB6, - .partition_info = nand_partitions, - .bus_width_16 = 0, + .ecc_mode = NAND_ECC_SOFT, + .on_flash_bbt = 1, + .parts = ek_nand_partition, + .num_parts = ARRAY_SIZE(ek_nand_partition), }; +static struct sam9_smc_config __initdata ek_nand_smc_config = { + .ncs_read_setup = 0, + .nrd_setup = 1, + .ncs_write_setup = 0, + .nwe_setup = 1, + + .ncs_read_pulse = 3, + .nrd_pulse = 3, + .ncs_write_pulse = 3, + .nwe_pulse = 3, + + .read_cycle = 5, + .write_cycle = 5, + + .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, + .tdf_cycles = 2, +}; + +static void __init ek_add_device_nand(void) +{ + /* configure chip-select 3 (NAND) */ + sam9_smc_configure(0, 3, &ek_nand_smc_config); + + at91_add_device_nand(&ek_nand_data); +} + /* * SPI devices @@ -153,52 +172,161 @@ static struct fb_monspecs at91fb_default_monspecs = { | ATMEL_LCDC_DISTYPE_TFT \ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) -static void at91_lcdc_power_control(int on) +static void at91_lcdc_power_control(struct atmel_lcdfb_pdata *pdata, int on) { if (on) - at91_set_gpio_value(AT91_PIN_PA30, 0); /* power up */ + at91_set_gpio_value(AT91_PIN_PC1, 0); /* power up */ else - at91_set_gpio_value(AT91_PIN_PA30, 1); /* power down */ + at91_set_gpio_value(AT91_PIN_PC1, 1); /* power down */ } /* Driver datas */ -static struct atmel_lcdfb_info __initdata ek_lcdc_data = { +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = { + .lcdcon_is_backlight = true, .default_bpp = 16, .default_dmacon = ATMEL_LCDC_DMAEN, .default_lcdcon2 = AT91SAM9RL_DEFAULT_LCDCON2, .default_monspecs = &at91fb_default_monspecs, .atmel_lcdfb_power_control = at91_lcdc_power_control, .guard_time = 1, + .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB, +}; + +#else +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data; +#endif + + +/* + * AC97 + * reset_pin is not connected: NRST + */ +static struct ac97c_platform_data ek_ac97_data = { + .reset_pin = -EINVAL, +}; + + +/* + * LEDs + */ +static struct gpio_led ek_leds[] = { + { /* "bottom" led, green, userled1 to be defined */ + .name = "ds1", + .gpio = AT91_PIN_PD15, + .active_low = 1, + .default_trigger = "none", + }, + { /* "bottom" led, green, userled2 to be defined */ + .name = "ds2", + .gpio = AT91_PIN_PD16, + .active_low = 1, + .default_trigger = "none", + }, + { /* "power" led, yellow */ + .name = "ds3", + .gpio = AT91_PIN_PD14, + .default_trigger = "heartbeat", + } +}; + + +/* + * ADC + Touchscreen + */ +static struct at91_adc_data ek_adc_data = { + .channels_used = BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5), + .use_external_triggers = true, + .vref = 3300, + .touchscreen_type = ATMEL_ADC_TOUCHSCREEN_4WIRE, }; + +/* + * GPIO Buttons + */ +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +static struct gpio_keys_button ek_buttons[] = { + { + .gpio = AT91_PIN_PB0, + .code = BTN_2, + .desc = "Right Click", + .active_low = 1, + .wakeup = 1, + }, + { + .gpio = AT91_PIN_PB1, + .code = BTN_1, + .desc = "Left Click", + .active_low = 1, + .wakeup = 1, + } +}; + +static struct gpio_keys_platform_data ek_button_data = { + .buttons = ek_buttons, + .nbuttons = ARRAY_SIZE(ek_buttons), +}; + +static struct platform_device ek_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &ek_button_data, + } +}; + +static void __init ek_add_device_buttons(void) +{ + at91_set_gpio_input(AT91_PIN_PB1, 1); /* btn1 */ + at91_set_deglitch(AT91_PIN_PB1, 1); + at91_set_gpio_input(AT91_PIN_PB0, 1); /* btn2 */ + at91_set_deglitch(AT91_PIN_PB0, 1); + + platform_device_register(&ek_button_device); +} #else -static struct atmel_lcdfb_info __initdata ek_lcdc_data; +static void __init ek_add_device_buttons(void) {} #endif static void __init ek_board_init(void) { /* Serial */ + /* DBGU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */ + at91_register_uart(AT91SAM9RL_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS); at91_add_device_serial(); + /* USB HS */ + at91_add_device_usba(&ek_usba_udc_data); /* I2C */ at91_add_device_i2c(NULL, 0); /* NAND */ - at91_add_device_nand(&ek_nand_data); + ek_add_device_nand(); /* SPI */ at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); /* MMC */ - at91_add_device_mmc(0, &ek_mmc_data); + at91_add_device_mci(0, &mci0_data); /* LCD Controller */ at91_add_device_lcdc(&ek_lcdc_data); + /* AC97 */ + at91_add_device_ac97(&ek_ac97_data); + /* Touch Screen Controller + ADC */ + at91_add_device_adc(&ek_adc_data); + /* LEDs */ + at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); + /* Push Buttons */ + ek_add_device_buttons(); } MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK") /* Maintainer: Atmel */ - .phys_io = AT91_BASE_SYS, - .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, - .boot_params = AT91_SDRAM_BASE + 0x100, - .timer = &at91sam926x_timer, - .map_io = ek_map_io, - .init_irq = ek_init_irq, + .init_time = at91sam926x_pit_init, + .map_io = at91_map_io, + .handle_irq = at91_aic_handle_irq, + .init_early = ek_init_early, + .init_irq = at91_init_irq_default, .init_machine = ek_board_init, MACHINE_END |