diff options
Diffstat (limited to 'arch/arm/mach-at91/board-sam9263ek.c')
| -rw-r--r-- | arch/arm/mach-at91/board-sam9263ek.c | 223 |
1 files changed, 144 insertions, 79 deletions
diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c index bf103b24c93..cd2726ee5ad 100644 --- a/arch/arm/mach-at91/board-sam9263ek.c +++ b/arch/arm/mach-at91/board-sam9263ek.c @@ -20,19 +20,21 @@ */ #include <linux/types.h> +#include <linux/gpio.h> #include <linux/init.h> #include <linux/mm.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/spi/spi.h> #include <linux/spi/ads7846.h> +#include <linux/platform_data/at24.h> #include <linux/fb.h> #include <linux/gpio_keys.h> #include <linux/input.h> +#include <linux/leds.h> #include <video/atmel_lcdc.h> -#include <asm/hardware.h> #include <asm/setup.h> #include <asm/mach-types.h> #include <asm/irq.h> @@ -41,45 +43,32 @@ #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 <mach/system_rev.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 .. 2 = USART0 .. USART2 - * 3 = DBGU - */ -static struct at91_uart_config __initdata ek_uart_config = { - .console_tty = 0, /* ttyS0 */ - .nr_tty = 2, - .tty_map = { 3, 0, -1, -1, } /* ttyS0, ..., ttyS3 */ -}; - -static void __init ek_map_io(void) +static void __init ek_init_early(void) { /* Initialize processor: 16.367 MHz crystal */ - at91sam9263_initialize(16367660); - - /* Setup the serial ports and console */ - at91_init_serial(&ek_uart_config); -} - -static void __init ek_init_irq(void) -{ - at91sam9263_init_interrupts(NULL); + at91_initialize(16367660); } - /* * USB Host port */ static struct at91_usbh_data __initdata ek_usbh_data = { .ports = 2, .vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 }, + .vbus_pin_active_low = {1, 1}, + .overcurrent_pin= {-EINVAL, -EINVAL}, }; /* @@ -87,7 +76,7 @@ static struct at91_usbh_data __initdata ek_usbh_data = { */ static struct at91_udc_data __initdata ek_udc_data = { .vbus_pin = AT91_PIN_PA25, - .pullup_pin = 0, /* pull-up driven by UDC */ + .pullup_pin = -EINVAL, /* pull-up driven by UDC */ }; @@ -144,7 +133,7 @@ static struct spi_board_info ek_spi_devices[] = { .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */ .bus_num = 0, .platform_data = &ads_info, - .irq = AT91SAM9263_ID_IRQ1, + .irq = NR_IRQS_LEGACY + AT91SAM9263_ID_IRQ1, }, #endif }; @@ -153,18 +142,19 @@ static struct spi_board_info ek_spi_devices[] = { /* * MCI (SD/MMC) */ -static struct at91_mmc_data __initdata ek_mmc_data = { - .wire4 = 1, - .det_pin = AT91_PIN_PE18, - .wp_pin = AT91_PIN_PE19, -// .vcc_pin = ... not connected +static struct mci_platform_data __initdata mci1_data = { + .slot[0] = { + .bus_width = 4, + .detect_pin = AT91_PIN_PE18, + .wp_pin = AT91_PIN_PE19, + }, }; /* * MACB Ethernet device */ -static struct at91_eth_data __initdata ek_macb_data = { +static struct macb_platform_data __initdata ek_macb_data = { .phy_irq_pin = AT91_PIN_PE31, .is_rmii = 1, }; @@ -177,35 +167,78 @@ static struct mtd_partition __initdata ek_nand_partition[] = { { .name = "Partition 1", .offset = 0, - .size = 64 * 1024 * 1024, + .size = SZ_64M, }, { .name = "Partition 2", - .offset = 64 * 1024 * 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_PA22, .enable_pin = AT91_PIN_PD15, - .partition_info = nand_partitions, -#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16) - .bus_width_16 = 1, -#else - .bus_width_16 = 0, -#endif + .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, + .tdf_cycles = 2, +}; + +static void __init ek_add_device_nand(void) +{ + ek_nand_data.bus_width_16 = board_have_nand_16bit(); + /* setup bus-width (8 or 16) */ + if (ek_nand_data.bus_width_16) + ek_nand_smc_config.mode |= AT91_SMC_DBW_16; + else + ek_nand_smc_config.mode |= AT91_SMC_DBW_8; + + /* configure chip-select 3 (NAND) */ + sam9_smc_configure(0, 3, &ek_nand_smc_config); + + at91_add_device_nand(&ek_nand_data); +} + + +/* + * I2C devices + */ +static struct at24_platform_data at24c512 = { + .byte_len = SZ_512K / 8, + .page_size = 128, + .flags = AT24_FLAG_ADDR16, +}; + + +static struct i2c_board_info __initdata ek_i2c_devices[] = { + { + I2C_BOARD_INFO("24c512", 0x50), + .platform_data = &at24c512, + }, + /* more devices can be added using expansion connectors */ +}; /* * LCD Controller @@ -213,7 +246,7 @@ static struct at91_nand_data __initdata ek_nand_data = { #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) static struct fb_videomode at91_tft_vga_modes[] = { { - .name = "TX09D50VM1CCA @ 60", + .name = "TX09D50VM1CCA @ 60", .refresh = 60, .xres = 240, .yres = 320, .pixclock = KHZ2PICOS(4965), @@ -229,7 +262,7 @@ static struct fb_videomode at91_tft_vga_modes[] = { static struct fb_monspecs at91fb_default_monspecs = { .manufacturer = "HIT", - .monitor = "TX09D70VM1CCA", + .monitor = "TX09D70VM1CCA", .modedb = at91_tft_vga_modes, .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), @@ -240,16 +273,16 @@ static struct fb_monspecs at91fb_default_monspecs = { }; #define AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ - | ATMEL_LCDC_DISTYPE_TFT \ + | 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) { at91_set_gpio_value(AT91_PIN_PA30, on); } /* 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, @@ -260,7 +293,7 @@ static struct atmel_lcdfb_info __initdata ek_lcdc_data = { }; #else -static struct atmel_lcdfb_info __initdata ek_lcdc_data; +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data; #endif @@ -282,7 +315,7 @@ static struct gpio_keys_button ek_buttons[] = { .active_low = 1, .desc = "right_click", .wakeup = 1, - }, + } }; static struct gpio_keys_platform_data ek_button_data = { @@ -301,9 +334,9 @@ static struct platform_device ek_button_device = { static void __init ek_add_device_buttons(void) { - at91_set_GPIO_periph(AT91_PIN_PC5, 0); /* left button */ + at91_set_GPIO_periph(AT91_PIN_PC5, 1); /* left button */ at91_set_deglitch(AT91_PIN_PC5, 1); - at91_set_GPIO_periph(AT91_PIN_PC4, 0); /* right button */ + at91_set_GPIO_periph(AT91_PIN_PC4, 1); /* right button */ at91_set_deglitch(AT91_PIN_PC4, 1); platform_device_register(&ek_button_device); @@ -315,9 +348,10 @@ static void __init ek_add_device_buttons(void) {} /* * AC97 + * reset_pin is not connected: NRST */ -static struct atmel_ac97_data ek_ac97_data = { - .reset_pin = AT91_PIN_PA13, +static struct ac97c_platform_data ek_ac97_data = { + .reset_pin = -EINVAL, }; @@ -325,29 +359,58 @@ static struct atmel_ac97_data ek_ac97_data = { * LEDs ... these could all be PWM-driven, for variable brightness */ static struct gpio_led ek_leds[] = { - { /* "left" led, green, userled1, pwm1 */ - .name = "ds1", - .gpio = AT91_PIN_PB8, - .active_low = 1, - .default_trigger = "mmc0", - }, - { /* "right" led, green, userled2, pwm2 */ + { /* "right" led, green, userled2 (could be driven by pwm2) */ .name = "ds2", .gpio = AT91_PIN_PC29, .active_low = 1, .default_trigger = "nand-disk", }, - { /* "power" led, yellow, pwm0 */ + { /* "power" led, yellow (could be driven by pwm0) */ .name = "ds3", .gpio = AT91_PIN_PB7, .default_trigger = "heartbeat", - }, + } }; +/* + * PWM Leds + */ +static struct gpio_led ek_pwm_led[] = { + /* For now only DS1 is PWM-driven (by pwm1) */ + { + .name = "ds1", + .gpio = 1, /* is PWM channel number */ + .active_low = 1, + .default_trigger = "none", + } +}; + +/* + * CAN + */ +static void sam9263ek_transceiver_switch(int on) +{ + if (on) { + at91_set_gpio_output(AT91_PIN_PA18, 1); /* CANRXEN */ + at91_set_gpio_output(AT91_PIN_PA19, 0); /* CANRS */ + } else { + at91_set_gpio_output(AT91_PIN_PA18, 0); /* CANRXEN */ + at91_set_gpio_output(AT91_PIN_PA19, 1); /* CANRS */ + } +} + +static struct at91_can_data ek_can_data = { + .transceiver_switch = sam9263ek_transceiver_switch, +}; 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, RTS, CTS) */ + at91_register_uart(AT91SAM9263_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS); at91_add_device_serial(); /* USB Host */ at91_add_device_usbh(&ek_usbh_data); @@ -359,13 +422,13 @@ static void __init ek_board_init(void) /* Touchscreen */ ek_add_device_ts(); /* MMC */ - at91_add_device_mmc(1, &ek_mmc_data); + at91_add_device_mci(1, &mci1_data); /* Ethernet */ at91_add_device_eth(&ek_macb_data); /* NAND */ - at91_add_device_nand(&ek_nand_data); + ek_add_device_nand(); /* I2C */ - at91_add_device_i2c(NULL, 0); + at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices)); /* LCD Controller */ at91_add_device_lcdc(&ek_lcdc_data); /* Push Buttons */ @@ -374,15 +437,17 @@ static void __init ek_board_init(void) at91_add_device_ac97(&ek_ac97_data); /* LEDs */ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); + at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led)); + /* CAN */ + at91_add_device_can(&ek_can_data); } MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-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 |