162 lines
3.7 KiB
C
162 lines
3.7 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 <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 <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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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_PD3,
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.enable_pin = AT91_PIN_PC14,
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.bus_width_16 = 0,
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};
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static struct sam9_smc_config pm_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 = 2,
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.nrd_pulse = 3,
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.ncs_write_pulse = 3,
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.nwe_pulse = 4,
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.read_cycle = 4,
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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 pm_add_device_nand(void)
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{
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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(3, &pm_nand_smc_config);
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at91_add_device_nand(&nand_pdata);
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}
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#if defined(CONFIG_MCI_ATMEL)
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static struct atmel_mci_platform_data __initdata mci_data = {
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.bus_width = 4,
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.wp_pin = 0,
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.detect_pin = AT91_PIN_PD6,
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};
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static void pm9g45_add_device_mci(void)
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{
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at91_add_device_mci(0, &mci_data);
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}
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#else
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static void pm9g45_add_device_mci(void) {}
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#endif
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/*
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* USB OHCI Host port
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*/
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#ifdef CONFIG_USB_OHCI_AT91
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static struct at91_usbh_data __initdata usbh_data = {
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.ports = 2,
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.vbus_pin = { AT91_PIN_PD0, 0x0 },
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};
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static void __init pm9g45_add_device_usbh(void)
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{
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at91_add_device_usbh_ohci(&usbh_data);
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}
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#else
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static void __init pm9g45_add_device_usbh(void) {}
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#endif
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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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static void pm9g45_phy_init(void)
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{
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/*
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* PD2 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_PD2, 1);
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at91_set_gpio_value(AT91_PIN_PD2, 1);
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}
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static int pm9g45_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(pm9g45_mem_init);
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static int pm9g45_devices_init(void)
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{
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pm_add_device_nand();
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pm9g45_add_device_mci();
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pm9g45_phy_init();
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at91_add_device_eth(0, &macb_pdata);
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pm9g45_add_device_usbh();
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devfs_add_partition("nand0", 0x00000, 0x80000, PARTITION_FIXED, "self_raw");
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dev_add_bb_dev("self_raw", "self0");
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devfs_add_partition("nand0", 0x40000, 0x40000, PARTITION_FIXED, "env_raw");
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dev_add_bb_dev("env_raw", "env0");
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armlinux_set_bootparams((void *)(AT91_CHIPSELECT_6 + 0x100));
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armlinux_set_architecture(MACH_TYPE_PM9G45);
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return 0;
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}
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device_initcall(pm9g45_devices_init);
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static int pm9g45_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(pm9g45_console_init);
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