256 lines
5.7 KiB
C
256 lines
5.7 KiB
C
/*
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* Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
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*
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* Copyright (C) 2007 Sascha Hauer, Pengutronix
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*/
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#include <common.h>
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#include <net.h>
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#include <mci.h>
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#include <init.h>
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#include <environment.h>
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#include <asm/armlinux.h>
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#include <generated/mach-types.h>
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#include <partition.h>
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#include <fs.h>
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#include <fcntl.h>
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#include <io.h>
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#include <asm/hardware.h>
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#include <nand.h>
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#include <sizes.h>
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#include <linux/mtd/nand.h>
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#include <mach/at91_pmc.h>
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#include <mach/board.h>
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#include <mach/gpio.h>
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#include <mach/io.h>
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#include <mach/at91sam9_smc.h>
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#include <mach/sam9_smc.h>
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#include <gpio_keys.h>
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#include <readkey.h>
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/*
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* board revision encoding
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* bit 0-3: lcd type
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* 0 => truly TFT1N4633-E (sam9m10g45-ek)
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* 1 => LG philips LB043WQ1 (sam9m10-ekes and sam9g45-ekes)
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*/
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#define HAVE_LCD_TRULY_TFT1N4633E (0 << 0)
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#define HAVE_LCD_LG_LB043WQ1 (1 << 0)
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static void ek_set_board_revision(void)
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{
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u32 rev;
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#ifdef CONFIG_LCD_LG_LB043WQ1
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rev = HAVE_LCD_LG_LB043WQ1;
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#else
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rev = HAVE_LCD_TRULY_TFT1N4633E;
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#endif
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armlinux_set_revision(rev);
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}
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static struct atmel_nand_data nand_pdata = {
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.ale = 21,
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.cle = 22,
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/* .det_pin = ... not connected */
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.rdy_pin = AT91_PIN_PC8,
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.enable_pin = AT91_PIN_PC14,
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#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
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.bus_width_16 = 1,
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#else
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.bus_width_16 = 0,
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#endif
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.on_flash_bbt = 1,
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};
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static struct sam9_smc_config ek_nand_smc_config = {
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.ncs_read_setup = 0,
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.nrd_setup = 2,
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.ncs_write_setup = 0,
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.nwe_setup = 2,
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.ncs_read_pulse = 4,
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.nrd_pulse = 4,
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.ncs_write_pulse = 4,
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.nwe_pulse = 4,
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.read_cycle = 7,
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.write_cycle = 7,
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.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
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.tdf_cycles = 3,
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};
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static void ek_add_device_nand(void)
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{
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/* setup bus-width (8 or 16) */
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if (nand_pdata.bus_width_16)
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ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
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else
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ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
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/* configure chip-select 3 (NAND) */
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sam9_smc_configure(3, &ek_nand_smc_config);
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at91_add_device_nand(&nand_pdata);
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}
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static struct at91_ether_platform_data macb_pdata = {
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.flags = AT91SAM_ETHER_RMII,
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.phy_addr = 0,
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};
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#if defined(CONFIG_MCI_ATMEL)
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static struct atmel_mci_platform_data ek_mci_data = {
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.bus_width = 4,
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.host_caps = MMC_MODE_HS,
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.detect_pin = AT91_PIN_PD10,
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};
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static void ek_add_device_mci(void)
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{
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at91_add_device_mci(0, &ek_mci_data);
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}
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#else
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static void ek_add_device_mci(void) {}
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#endif
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#ifdef CONFIG_LED_GPIO
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struct gpio_led ek_leds[] = {
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{
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.gpio = AT91_PIN_PD30,
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.led = {
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.name = "d8",
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},
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}, {
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.active_low = 1,
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.gpio = AT91_PIN_PD0,
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.led = {
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.name = "d6",
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},
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}, {
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.active_low = 1,
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.gpio = AT91_PIN_PD31,
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.led = {
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.name = "d7",
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},
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},
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};
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static void ek_device_add_leds(void)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(ek_leds); i++) {
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at91_set_gpio_output(ek_leds[i].gpio, ek_leds[i].active_low);
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led_gpio_register(&ek_leds[i]);
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}
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led_set_trigger(LED_TRIGGER_HEARTBEAT, &ek_leds[0].led);
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}
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#else
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static void ek_device_add_leds(void) {}
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#endif
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#ifdef CONFIG_KEYBOARD_GPIO
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struct gpio_keys_button keys[] = {
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{
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.code = KEY_HOME,
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.gpio = AT91_PIN_PB6,
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}, {
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.code = KEY_RETURN,
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.gpio = AT91_PIN_PB7,
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}, {
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.code = KEY_LEFT,
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.gpio = AT91_PIN_PB14,
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}, {
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.code = KEY_RIGHT,
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.gpio = AT91_PIN_PB15,
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}, {
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.code = KEY_UP,
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.gpio = AT91_PIN_PB16,
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}, {
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.code = KEY_DOWN,
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.gpio = AT91_PIN_PB17,
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}, {
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.code = KEY_RETURN,
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.gpio = AT91_PIN_PB18,
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},
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};
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struct gpio_keys_platform_data gk_pdata = {
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.buttons = keys,
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.nbuttons = ARRAY_SIZE(keys),
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};
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static void ek_device_add_keyboard(void)
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{
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int i;
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for (i = 0; i < gk_pdata.nbuttons; i++) {
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/* user push button, pull up enabled */
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keys[i].active_low = 1;
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at91_set_GPIO_periph(keys[i].gpio, keys[i].active_low);
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at91_set_deglitch(keys[i].gpio, 1);
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}
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add_gpio_keys_device(-1, &gk_pdata);
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}
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#else
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static void ek_device_add_keyboard(void) {}
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#endif
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static int at91sam9m10g45ek_mem_init(void)
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{
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at91_add_device_sdram(128 * 1024 * 1024);
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return 0;
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}
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mem_initcall(at91sam9m10g45ek_mem_init);
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static int at91sam9m10g45ek_devices_init(void)
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{
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ek_add_device_nand();
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at91_add_device_eth(0, &macb_pdata);
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ek_add_device_mci();
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ek_device_add_leds();
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ek_device_add_keyboard();
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devfs_add_partition("nand0", 0x00000, SZ_128K, DEVFS_PARTITION_FIXED, "at91bootstrap_raw");
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dev_add_bb_dev("at91bootstrap_raw", "at91bootstrap");
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devfs_add_partition("nand0", SZ_128K, SZ_256K, DEVFS_PARTITION_FIXED, "self_raw");
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dev_add_bb_dev("self_raw", "self0");
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devfs_add_partition("nand0", SZ_256K + SZ_128K, SZ_128K, DEVFS_PARTITION_FIXED, "env_raw");
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dev_add_bb_dev("env_raw", "env0");
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devfs_add_partition("nand0", SZ_512K, SZ_128K, DEVFS_PARTITION_FIXED, "env_raw1");
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dev_add_bb_dev("env_raw1", "env1");
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armlinux_set_bootparams((void *)(AT91_CHIPSELECT_6 + 0x100));
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armlinux_set_architecture(MACH_TYPE_AT91SAM9M10G45EK);
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ek_set_board_revision();
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return 0;
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}
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device_initcall(at91sam9m10g45ek_devices_init);
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static int at91sam9m10g45ek_console_init(void)
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{
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at91_register_uart(0, 0);
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return 0;
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}
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console_initcall(at91sam9m10g45ek_console_init);
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