diff options
Diffstat (limited to 'arch/arm/boards/at91sam9m10ihd/init.c')
-rw-r--r-- | arch/arm/boards/at91sam9m10ihd/init.c | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/arch/arm/boards/at91sam9m10ihd/init.c b/arch/arm/boards/at91sam9m10ihd/init.c new file mode 100644 index 0000000000..f258caf2b4 --- /dev/null +++ b/arch/arm/boards/at91sam9m10ihd/init.c @@ -0,0 +1,287 @@ +/* + * Copyright (C) 2009-2012 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com> + * + * Under GPLv2 only + */ + +#include <common.h> +#include <net.h> +#include <mci.h> +#include <init.h> +#include <environment.h> +#include <asm/armlinux.h> +#include <generated/mach-types.h> +#include <partition.h> +#include <fs.h> +#include <fcntl.h> +#include <io.h> +#include <asm/hardware.h> +#include <nand.h> +#include <sizes.h> +#include <linux/mtd/nand.h> +#include <mach/board.h> +#include <gpio.h> +#include <mach/io.h> +#include <mach/at91sam9_smc.h> +#include <input/qt1070.h> +#include <readkey.h> +#include <linux/w1-gpio.h> +#include <w1_mac_address.h> +#include <spi/spi.h> + +#include "hw_version.h" + +struct w1_gpio_platform_data w1_pdata = { + .pin = AT91_PIN_PB25, + .ext_pullup_enable_pin = -EINVAL, + .is_open_drain = 0, +}; + +static struct atmel_nand_data nand_pdata = { + .ale = 21, + .cle = 22, + .det_pin = -EINVAL, + .rdy_pin = AT91_PIN_PC15, + .enable_pin = AT91_PIN_PC14, + .bus_width_16 = 0, + .on_flash_bbt = 1, +}; + +static struct sam9_smc_config 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 ek_add_device_nand(void) +{ + /* setup bus-width (8 or 16) */ + if (nand_pdata.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(&nand_pdata); +} + +static struct at91_ether_platform_data macb_pdata = { + .phy_interface = PHY_INTERFACE_MODE_RMII, + .phy_addr = 0, +}; + +static void ek_add_device_eth(void) +{ + if (w1_local_mac_address_register(0, "tml", "w1-2d-0")) + w1_local_mac_address_register(0, "tml", "w1-23-0"); + + at91_add_device_eth(0, &macb_pdata); +} + +#if defined(CONFIG_MCI_ATMEL) +static struct atmel_mci_platform_data ek_mci0_data = { + .bus_width = 4, + .detect_pin = AT91_PIN_PC25, +}; + +static void ek_add_device_mci(void) +{ + at91_add_device_mci(0, &ek_mci0_data); +} +#else +static void ek_add_device_mci(void) {} +#endif + +struct qt1070_platform_data qt1070_pdata = { + .irq_pin = AT91_PIN_PB19, + .code = { KEY_ENTER, KEY_ENTER, KEY_UP, KEY_DOWN, }, + .nb_code = 4, +}; + +static struct i2c_board_info i2c_devices[] = { + { + .platform_data = &qt1070_pdata, + I2C_BOARD_INFO("qt1070", 0x1b), + }, { + I2C_BOARD_INFO("24c512", 0x51) + }, +}; + +static void ek_add_device_i2c(void) +{ + at91_set_gpio_input(qt1070_pdata.irq_pin, 0); + at91_set_deglitch(qt1070_pdata.irq_pin, 1); + at91_add_device_i2c(0, i2c_devices, ARRAY_SIZE(i2c_devices)); +} + +static const struct spi_board_info ek_spi_devices[] = { + { + .name = "m25p80", + .chip_select = 0, + .max_speed_hz = 15 * 1000 * 1000, + .bus_num = 0, + } +}; + +static unsigned spi0_standard_cs[] = { AT91_PIN_PB3 }; +static struct at91_spi_platform_data spi_pdata = { + .chipselect = spi0_standard_cs, + .num_chipselect = ARRAY_SIZE(spi0_standard_cs), +}; + +static void ek_add_device_spi(void) +{ + spi_register_board_info(ek_spi_devices, + ARRAY_SIZE(ek_spi_devices)); + at91_add_device_spi(0, &spi_pdata); +} + +/* + * USB HS Host port (common to OHCI & EHCI) + */ +static struct at91_usbh_data ek_usbh_hs_data = { + .ports = 1, + .vbus_pin = {AT91_PIN_PC30, -EINVAL}, + .vbus_pin_active_low = {1, 0}, +}; + +static void ek_add_device_usb(void) +{ + at91_add_device_usbh_ohci(&ek_usbh_hs_data); + at91_add_device_usbh_ehci(&ek_usbh_hs_data); +} + +static int at91sam9m10g45ek_mem_init(void) +{ + at91_add_device_sdram(0); + + return 0; +} +mem_initcall(at91sam9m10g45ek_mem_init); + +#if defined(CONFIG_DRIVER_VIDEO_ATMEL) +static int ek_gpio_request_output(int gpio, const char *name) +{ + int ret; + + ret = gpio_request(gpio, name); + if (ret) { + pr_err("%s: can not request gpio %d (%d)\n", name, gpio, ret); + return ret; + } + + ret = gpio_direction_output(gpio, 1); + if (ret) + pr_err("%s: can not configure gpio %d as output (%d)\n", name, gpio, ret); + return ret; +} + +static struct fb_videomode at91fb_default_monspecs[] = { + { + .name = "MULTEK", + .refresh = 60, + .xres = 800, .yres = 480, + .pixclock = KHZ2PICOS(15000), + + .left_margin = 40, .right_margin = 40, + .upper_margin = 29, .lower_margin = 13, + .hsync_len = 48, .vsync_len = 3, + + .sync = 0, + .vmode = FB_VMODE_NONINTERLACED, + }, +}; + +#define AT91SAM9G45_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ + | ATMEL_LCDC_DISTYPE_TFT \ + | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) + +static void at91_lcdc_power_control(int on) +{ + gpio_set_value(AT91_PIN_PE6, on); +} + +/* Driver datas */ +static struct atmel_lcdfb_platform_data ek_lcdc_data = { + .lcdcon_is_backlight = true, + .default_bpp = 16, + .default_dmacon = ATMEL_LCDC_DMAEN, + .default_lcdcon2 = AT91SAM9G45_DEFAULT_LCDCON2, + .guard_time = 9, + .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB, + .atmel_lcdfb_power_control = at91_lcdc_power_control, + .mode_list = at91fb_default_monspecs, + .num_modes = ARRAY_SIZE(at91fb_default_monspecs), +}; + +static void ek_add_device_lcd(void) +{ + if (ek_gpio_request_output(AT91_PIN_PE6, "lcdc_power")) + return; + + at91_add_device_lcdc(&ek_lcdc_data); +} +#else +static void ek_add_device_lcd(void) {} +#endif + +static void ek_add_device_w1(void) +{ + at91_set_gpio_input(w1_pdata.pin, 0); + at91_set_multi_drive(w1_pdata.pin, 1); + add_generic_device_res("w1-gpio", DEVICE_ID_SINGLE, NULL, 0, &w1_pdata); + + at91sam9m10ihd_devices_detect_hw(); +} + +static int at91sam9m10ihd_devices_init(void) +{ + ek_add_device_w1(); + ek_add_device_nand(); + ek_add_device_eth(); + ek_add_device_mci(); + ek_add_device_spi(); + ek_add_device_i2c(); + ek_add_device_usb(); + ek_add_device_lcd(); + + devfs_add_partition("nand0", 0x00000, SZ_128K, DEVFS_PARTITION_FIXED, "at91bootstrap_raw"); + dev_add_bb_dev("at91bootstrap_raw", "at91bootstrap"); + devfs_add_partition("nand0", SZ_128K, SZ_256K, DEVFS_PARTITION_FIXED, "self_raw"); + dev_add_bb_dev("self_raw", "self0"); + devfs_add_partition("nand0", SZ_256K + SZ_128K, SZ_128K, DEVFS_PARTITION_FIXED, "env_raw"); + dev_add_bb_dev("env_raw", "env0"); + devfs_add_partition("nand0", SZ_512K, SZ_128K, DEVFS_PARTITION_FIXED, "env_raw1"); + dev_add_bb_dev("env_raw1", "env1"); + + armlinux_set_bootparams((void *)(AT91_CHIPSELECT_6 + 0x100)); + /* + * The internal Atmel kernel use the SAM9M10G45EK machine id + * The mainline use DT + */ + armlinux_set_architecture(MACH_TYPE_AT91SAM9M10G45EK); + + return 0; +} +device_initcall(at91sam9m10ihd_devices_init); + +static int at91sam9m10ihd_console_init(void) +{ + at91_register_uart(0, 0); + return 0; +} +console_initcall(at91sam9m10ihd_console_init); |