130 lines
3.0 KiB
C
130 lines
3.0 KiB
C
/*
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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 <cfi_flash.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 <asm/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 <asm/io.h>
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#include <asm/hardware.h>
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#include <asm/arch/memory-map.h>
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#include <nand.h>
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#include <linux/mtd/nand.h>
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#include <asm/arch/gpio.h>
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#define MASK_ALE (1 << 21) /* our ALE is AD21 */
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#define MASK_CLE (1 << 22)
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static void at91sam9260ek_nand_hwcontrol(struct nand_chip *this, int cmd)
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{
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ulong IO_ADDR_W = (ulong) this->IO_ADDR_W;
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IO_ADDR_W &= ~(MASK_ALE|MASK_CLE);
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switch (cmd) {
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case NAND_CTL_SETCLE:
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IO_ADDR_W |= MASK_CLE;
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break;
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case NAND_CTL_SETALE:
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IO_ADDR_W |= MASK_ALE;
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break;
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case NAND_CTL_CLRNCE:
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at91_set_gpio_value(AT91_PIN_PC14, 1);
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break;
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case NAND_CTL_SETNCE:
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at91_set_gpio_value(AT91_PIN_PC14, 0);
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break;
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}
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this->IO_ADDR_W = (void *) IO_ADDR_W;
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}
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static int at91sam9260ek_nand_ready(struct nand_chip *this)
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{
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return at91_get_gpio_value(AT91_PIN_PC13);
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}
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static struct nand_platform_data nand_pdata = {
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.hwcontrol = at91sam9260ek_nand_hwcontrol,
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.eccmode = NAND_ECC_SOFT,
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.dev_ready = at91sam9260ek_nand_ready,
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.chip_delay = 20,
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};
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static struct device_d nand_dev = {
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.name = "nand_controller",
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.map_base = 0x40000000,
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.size = 0x10,
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.platform_data = &nand_pdata,
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};
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static struct device_d sdram_dev = {
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.name = "ram",
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.id = "ram0",
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.map_base = 0x20000000,
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.size = 64 * 1024 * 1024,
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.type = DEVICE_TYPE_DRAM,
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};
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static struct device_d macb_dev = {
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.name = "macb",
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.id = "eth0",
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.map_base = AT91_BASE_EMAC,
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.size = 0x1000,
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.type = DEVICE_TYPE_ETHER,
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};
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static int pcm038_devices_init(void)
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{
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register_device(&sdram_dev);
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register_device(&nand_dev);
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register_device(&macb_dev);
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armlinux_set_bootparams((void *)0x20000100);
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armlinux_set_architecture(MACH_TYPE_AT91SAM9260EK);
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return 0;
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}
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device_initcall(pcm038_devices_init);
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static struct device_d pcm038_serial_device = {
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.name = "atmel_serial",
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.id = "cs0",
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.map_base = USART3_BASE,
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.size = 4096,
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.type = DEVICE_TYPE_CONSOLE,
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};
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static int pcm038_console_init(void)
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{
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register_device(&pcm038_serial_device);
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return 0;
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}
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console_initcall(pcm038_console_init);
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