157 lines
3.6 KiB
C
157 lines
3.6 KiB
C
/*
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* Copyright (C) 2009-2012 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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*
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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 <gpio.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 <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/io.h>
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#include <mach/iomux.h>
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#include <mach/at91sam9_smc.h>
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#include <linux/w1-gpio.h>
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#include <w1_mac_address.h>
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struct w1_gpio_platform_data w1_pdata = {
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.pin = AT91_PIN_PB31,
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.is_open_drain = 0,
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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 = -EINVAL,
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.rdy_pin = AT91_PIN_PB30,
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.enable_pin = AT91_PIN_PD15,
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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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};
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static struct sam9_smc_config pm_nand_smc_config = {
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.ncs_read_setup = 1,
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.nrd_setup = 1,
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.ncs_write_setup = 1,
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.nwe_setup = 1,
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.ncs_read_pulse = 3,
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.nrd_pulse = 3,
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.ncs_write_pulse = 3,
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.nwe_pulse = 3,
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.read_cycle = 5,
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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 = 2,
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};
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static void pm_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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pm_nand_smc_config.mode |= AT91_SMC_DBW_16;
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else
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pm_nand_smc_config.mode |= AT91_SMC_DBW_8;
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/* configure chip-select 3 (NAND) */
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sam9_smc_configure(0, 3, &pm_nand_smc_config);
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at91_add_device_nand(&nand_pdata);
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}
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static struct macb_platform_data macb_pdata = {
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.phy_interface = PHY_INTERFACE_MODE_RMII,
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.phy_addr = -1,
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};
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static void pm9263_phy_init(void)
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{
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/*
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* PB27 enables the 50MHz oscillator for Ethernet PHY
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* 1 - enable
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* 0 - disable
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*/
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at91_set_gpio_output(AT91_PIN_PB27, 1);
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gpio_set_value(AT91_PIN_PB27, 1); /* 1- enable, 0 - disable */
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}
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static void pm9263_add_device_eth(void)
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{
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w1_local_mac_address_register(0, "ron", "w1-1-0");
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pm9263_phy_init();
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at91_add_device_eth(0, &macb_pdata);
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}
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static int pm9263_mem_init(void)
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{
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at91_add_device_sdram(64 * 1024 * 1024);
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return 0;
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}
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mem_initcall(pm9263_mem_init);
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static int pm9263_devices_init(void)
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{
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at91_set_gpio_input(w1_pdata.pin, 0);
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add_generic_device_res("w1-gpio", DEVICE_ID_SINGLE, NULL, 0, &w1_pdata);
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pm_add_device_nand();
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pm9263_add_device_eth();
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add_cfi_flash_device(0, AT91_CHIPSELECT_0, 4 * 1024 * 1024, 0);
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devfs_add_partition("nor0", 0x00000, 0x40000, DEVFS_PARTITION_FIXED, "self0");
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devfs_add_partition("nor0", 0x40000, 0x10000, DEVFS_PARTITION_FIXED, "env0");
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armlinux_set_bootparams((void *)(AT91_CHIPSELECT_1 + 0x100));
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armlinux_set_architecture(MACH_TYPE_PM9263);
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return 0;
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}
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device_initcall(pm9263_devices_init);
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static int pm9263_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(pm9263_console_init);
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static int pm9263_main_clock(void)
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{
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at91_set_main_clock(18432000);
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return 0;
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}
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pure_initcall(pm9263_main_clock);
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