164 lines
3.8 KiB
C
164 lines
3.8 KiB
C
/*
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* Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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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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*
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*/
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#include <common.h>
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#include <net.h>
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#include <init.h>
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#include <environment.h>
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#include <fec.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/board.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.h>
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#include <mach/io.h>
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#include <mach/at91_pmc.h>
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#include <mach/at91_rstc.h>
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#include <gpio_keys.h>
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#include <readkey.h>
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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 = 0,
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.rdy_pin = AT91_PIN_PD5,
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.enable_pin = AT91_PIN_PD4,
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#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
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.bus_width_16 = 1,
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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 cm_nand_smc_config = {
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.ncs_read_setup = 0,
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.nrd_setup = 1,
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.ncs_write_setup = 0,
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.nwe_setup = 1,
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.ncs_read_pulse = 6,
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.nrd_pulse = 4,
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.ncs_write_pulse = 5,
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.nwe_pulse = 3,
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.read_cycle = 6,
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.write_cycle = 5,
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.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
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.tdf_cycles = 1,
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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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cm_nand_smc_config.mode |= AT91_SMC_DBW_16;
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else
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cm_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, &cm_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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/*
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* USB Host port
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*/
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static struct at91_usbh_data __initdata ek_usbh_data = {
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.ports = 2,
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.vbus_pin = {AT91_PIN_PD20, AT91_PIN_PD19},
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};
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struct gpio_led leds[] = {
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{
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.gpio = AT91_PIN_PB18,
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.active_low = 1,
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.led = {
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.name = "d1",
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},
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}, {
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.gpio = AT91_PIN_PD21,
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.led = {
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.name = "d2",
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},
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},
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};
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static void __init ek_add_led(void)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(leds); i++) {
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at91_set_gpio_output(leds[i].gpio, leds[i].active_low);
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led_gpio_register(&leds[i]);
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}
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led_set_trigger(LED_TRIGGER_HEARTBEAT, &leds[0].led);
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}
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static int at91sam9x5ek_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(at91sam9x5ek_mem_init);
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static int at91sam9x5ek_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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at91_add_device_usbh_ohci(&ek_usbh_data);
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ek_add_led();
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armlinux_set_bootparams((void *)(AT91_CHIPSELECT_1 + 0x100));
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armlinux_set_architecture(CONFIG_MACH_AT91SAM9X5EK);
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devfs_add_partition("nand0", 0x00000, SZ_256K, 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_256K, SZ_256K + SZ_128K, 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_512K + 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_256K, SZ_128K, DEVFS_PARTITION_FIXED, "env_raw1");
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dev_add_bb_dev("env_raw1", "env1");
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return 0;
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}
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device_initcall(at91sam9x5ek_devices_init);
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static int at91sam9x5ek_console_init(void)
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{
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at91_register_uart(0, 0);
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at91_register_uart(1, 0);
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at91_register_uart(2, 0);
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return 0;
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}
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console_initcall(at91sam9x5ek_console_init);
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