135 lines
3.5 KiB
C
135 lines
3.5 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 <nand.h>
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#include <linux/mtd/nand.h>
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#include <asm/arch/ether.h>
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static struct memory_platform_data ram_pdata = {
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.name = "ram0",
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.flags = DEVFS_RDWR,
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};
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static struct device_d sdram_dev = {
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.name = "mem",
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.map_base = 0x20000000,
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.size = 128 * 1024 * 1024,
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.platform_data = &ram_pdata,
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};
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static struct device_d cfi_dev = {
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.name = "cfi_flash",
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.map_base = 0x10000000,
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.size = 0, /* zero means autodetect size */
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};
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static struct at91sam_ether_platform_data macb_pdata = {
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.flags = AT91SAM_ETHER_MII | AT91SAM_ETHER_FORCE_LINK,
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.phy_addr = 4,
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};
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static struct device_d macb_dev = {
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.name = "macb",
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.map_base = AT91C_BASE_MACB,
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.size = 0x1000,
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.platform_data = &macb_pdata,
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};
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static int mmccpu_devices_init(void)
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{
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u32 pe = AT91C_PC25_ERXDV |
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AT91C_PC22_ERX2 |
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AT91C_PC23_ERX3 |
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AT91C_PC20_ETX2 |
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AT91C_PC21_ETX3;
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writel(pe, AT91C_BASE_PIOC + PIO_BSR(0));
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writel(pe, AT91C_BASE_PIOC + PIO_PDR(0));
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pe = AT91C_PE21_ETXCK |
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AT91C_PE23_ETX0 |
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AT91C_PE24_ETX1 |
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AT91C_PE25_ERX0 |
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AT91C_PE26_ERX1 |
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AT91C_PE27_ERXER |
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AT91C_PE28_ETXEN |
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AT91C_PE29_EMDC |
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AT91C_PE30_EMDIO;
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writel(pe, AT91C_BASE_PIOE + PIO_ASR(0));
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writel(pe, AT91C_BASE_PIOE + PIO_PDR(0));
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/* set PB27 to '1', enable 50MHz oscillator */
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writel(AT91C_PIO_PB27, AT91C_BASE_PIOB + PIO_PER(0));
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writel(AT91C_PIO_PB27, AT91C_BASE_PIOB + PIO_OER(0));
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writel(AT91C_PIO_PB27, AT91C_BASE_PIOB + PIO_SODR(0));
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/* set PB4, PB5 to '1', enable 50MHz oscillator */
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writel(AT91C_PIO_PB4|AT91C_PIO_PB5, AT91C_BASE_PIOB + PIO_PER(0));
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writel(AT91C_PIO_PB4|AT91C_PIO_PB5, AT91C_BASE_PIOB + PIO_OER(0));
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writel(AT91C_PIO_PB4|AT91C_PIO_PB5, AT91C_BASE_PIOB + PIO_SODR(0));
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writel(1 << AT91C_ID_EMAC, AT91C_PMC_PCER);
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register_device(&sdram_dev);
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register_device(&macb_dev);
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register_device(&cfi_dev);
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devfs_add_partition("nor0", 0x00000, 256 * 1024, PARTITION_FIXED, "self0");
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devfs_add_partition("nor0", 0x40000, 128 * 1024, PARTITION_FIXED, "env0");
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armlinux_add_dram(&sdram_dev);
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armlinux_set_bootparams((void *)0x20000100);
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armlinux_set_architecture(MACH_TYPE_MMCCPU);
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return 0;
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}
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device_initcall(mmccpu_devices_init);
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static struct device_d mmccpu_serial_device = {
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.name = "atmel_serial",
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.map_base = AT91C_BASE_DBGU,
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.size = 4096,
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};
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static int mmccpu_console_init(void)
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{
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writel(AT91C_PC31_DTXD | AT91C_PC30_DRXD, AT91C_PIOC_PDR);
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register_device(&mmccpu_serial_device);
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return 0;
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}
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console_initcall(mmccpu_console_init);
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