diff options
Diffstat (limited to 'arch/arm/mach-at91/board-sam9m10g45ek.c')
| -rw-r--r-- | arch/arm/mach-at91/board-sam9m10g45ek.c | 389 |
1 files changed, 389 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c new file mode 100644 index 000000000000..b8558eae5229 --- /dev/null +++ b/arch/arm/mach-at91/board-sam9m10g45ek.c @@ -0,0 +1,389 @@ +/* + * Board-specific setup code for the AT91SAM9M10G45 Evaluation Kit family + * + * Covers: * AT91SAM9G45-EKES board + * * AT91SAM9M10G45-EK board + * + * Copyright (C) 2009 Atmel Corporation. + * + * 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. + * + */ + +#include <linux/types.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/fb.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <linux/leds.h> +#include <linux/clk.h> + +#include <mach/hardware.h> +#include <video/atmel_lcdc.h> + +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/irq.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <mach/board.h> +#include <mach/gpio.h> +#include <mach/at91sam9_smc.h> +#include <mach/at91_shdwc.h> + +#include "sam9_smc.h" +#include "generic.h" + + +static void __init ek_map_io(void) +{ + /* Initialize processor: 12.000 MHz crystal */ + at91sam9g45_initialize(12000000); + + /* DGBU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART0 not connected on the -EK board */ + /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ + at91_register_uart(AT91SAM9G45_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); +} + +static void __init ek_init_irq(void) +{ + at91sam9g45_init_interrupts(NULL); +} + + +/* + * USB HS Host port (common to OHCI & EHCI) + */ +static struct at91_usbh_data __initdata ek_usbh_hs_data = { + .ports = 2, + .vbus_pin = {AT91_PIN_PD1, AT91_PIN_PD3}, +}; + + +/* + * USB HS Device port + */ +static struct usba_platform_data __initdata ek_usba_udc_data = { + .vbus_pin = AT91_PIN_PB19, +}; + + +/* + * SPI devices. + */ +static struct spi_board_info ek_spi_devices[] = { + { /* DataFlash chip */ + .modalias = "mtd_dataflash", + .chip_select = 0, + .max_speed_hz = 15 * 1000 * 1000, + .bus_num = 0, + }, +}; + + +/* + * MACB Ethernet device + */ +static struct at91_eth_data __initdata ek_macb_data = { + .phy_irq_pin = AT91_PIN_PD5, + .is_rmii = 1, +}; + + +/* + * NAND flash + */ +static struct mtd_partition __initdata ek_nand_partition[] = { + { + .name = "Partition 1", + .offset = 0, + .size = SZ_64M, + }, + { + .name = "Partition 2", + .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; +} + +/* det_pin is not connected */ +static struct atmel_nand_data __initdata ek_nand_data = { + .ale = 21, + .cle = 22, + .rdy_pin = AT91_PIN_PC8, + .enable_pin = AT91_PIN_PC14, + .partition_info = nand_partitions, +#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16) + .bus_width_16 = 1, +#else + .bus_width_16 = 0, +#endif +}; + +static struct sam9_smc_config __initdata ek_nand_smc_config = { + .ncs_read_setup = 0, + .nrd_setup = 2, + .ncs_write_setup = 0, + .nwe_setup = 2, + + .ncs_read_pulse = 4, + .nrd_pulse = 4, + .ncs_write_pulse = 4, + .nwe_pulse = 4, + + .read_cycle = 7, + .write_cycle = 7, + + .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE, + .tdf_cycles = 3, +}; + +static void __init ek_add_device_nand(void) +{ + /* 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(3, &ek_nand_smc_config); + + at91_add_device_nand(&ek_nand_data); +} + + +/* + * LCD Controller + */ +#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) +static struct fb_videomode at91_tft_vga_modes[] = { + { + .name = "LG", + .refresh = 60, + .xres = 480, .yres = 272, + .pixclock = KHZ2PICOS(9000), + + .left_margin = 1, .right_margin = 1, + .upper_margin = 40, .lower_margin = 1, + .hsync_len = 45, .vsync_len = 1, + + .sync = 0, + .vmode = FB_VMODE_NONINTERLACED, + }, +}; + +static struct fb_monspecs at91fb_default_monspecs = { + .manufacturer = "LG", + .monitor = "LB043WQ1", + + .modedb = at91_tft_vga_modes, + .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), + .hfmin = 15000, + .hfmax = 17640, + .vfmin = 57, + .vfmax = 67, +}; + +#define AT91SAM9G45_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ + | ATMEL_LCDC_DISTYPE_TFT \ + | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) + +/* Driver datas */ +static struct atmel_lcdfb_info __initdata ek_lcdc_data = { + .lcdcon_is_backlight = true, + .default_bpp = 32, + .default_dmacon = ATMEL_LCDC_DMAEN, + .default_lcdcon2 = AT91SAM9G45_DEFAULT_LCDCON2, + .default_monspecs = &at91fb_default_monspecs, + .guard_time = 9, + .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB, +}; + +#else +static struct atmel_lcdfb_info __initdata ek_lcdc_data; +#endif + + +/* + * GPIO Buttons + */ +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +static struct gpio_keys_button ek_buttons[] = { + { /* BP1, "leftclic" */ + .code = BTN_LEFT, + .gpio = AT91_PIN_PB6, + .active_low = 1, + .desc = "left_click", + .wakeup = 1, + }, + { /* BP2, "rightclic" */ + .code = BTN_RIGHT, + .gpio = AT91_PIN_PB7, + .active_low = 1, + .desc = "right_click", + .wakeup = 1, + }, + /* BP3, "joystick" */ + { + .code = KEY_LEFT, + .gpio = AT91_PIN_PB14, + .active_low = 1, + .desc = "Joystick Left", + }, + { + .code = KEY_RIGHT, + .gpio = AT91_PIN_PB15, + .active_low = 1, + .desc = "Joystick Right", + }, + { + .code = KEY_UP, + .gpio = AT91_PIN_PB16, + .active_low = 1, + .desc = "Joystick Up", + }, + { + .code = KEY_DOWN, + .gpio = AT91_PIN_PB17, + .active_low = 1, + .desc = "Joystick Down", + }, + { + .code = KEY_ENTER, + .gpio = AT91_PIN_PB18, + .active_low = 1, + .desc = "Joystick Press", + }, +}; + +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) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) { + at91_set_GPIO_periph(ek_buttons[i].gpio, 1); + at91_set_deglitch(ek_buttons[i].gpio, 1); + } + + platform_device_register(&ek_button_device); +} +#else +static void __init ek_add_device_buttons(void) {} +#endif + + +/* + * LEDs ... these could all be PWM-driven, for variable brightness + */ +static struct gpio_led ek_leds[] = { + { /* "top" led, red, powerled */ + .name = "d8", + .gpio = AT91_PIN_PD30, + .default_trigger = "heartbeat", + }, + { /* "left" led, green, userled2, pwm3 */ + .name = "d6", + .gpio = AT91_PIN_PD0, + .active_low = 1, + .default_trigger = "nand-disk", + }, +#if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)) + { /* "right" led, green, userled1, pwm1 */ + .name = "d7", + .gpio = AT91_PIN_PD31, + .active_low = 1, + .default_trigger = "mmc0", + }, +#endif +}; + + +/* + * PWM Leds + */ +static struct gpio_led ek_pwm_led[] = { +#if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE) + { /* "right" led, green, userled1, pwm1 */ + .name = "d7", + .gpio = 1, /* is PWM channel number */ + .active_low = 1, + .default_trigger = "none", + }, +#endif +}; + + + +static void __init ek_board_init(void) +{ + /* Serial */ + at91_add_device_serial(); + /* USB HS Host */ + at91_add_device_usbh_ohci(&ek_usbh_hs_data); + /* USB HS Device */ + at91_add_device_usba(&ek_usba_udc_data); + /* SPI */ + at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); + /* Ethernet */ + at91_add_device_eth(&ek_macb_data); + /* NAND */ + ek_add_device_nand(); + /* I2C */ + at91_add_device_i2c(0, NULL, 0); + /* LCD Controller */ + at91_add_device_lcdc(&ek_lcdc_data); + /* Push Buttons */ + ek_add_device_buttons(); + /* LEDs */ + at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); + at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led)); +} + +MACHINE_START(AT91SAM9G45EKES, "Atmel AT91SAM9G45-EKES") + /* 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_machine = ek_board_init, +MACHINE_END |