140 lines
3.4 KiB
C
140 lines
3.4 KiB
C
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/*
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* Copyright (C) 2010 Marek Belisko <marek.belisko@open-nandra.com>
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*
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* Based on a9m2440.c board init by Juergen Beisert, 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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/**
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* @file
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* @brief mini2440 Specific Board Initialization routines
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*
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*/
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#include <common.h>
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#include <driver.h>
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#include <init.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 <nand.h>
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#include <asm/io.h>
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#include <mach/s3c24x0-iomap.h>
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#include <mach/s3c24x0-nand.h>
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#include <mach/s3c24xx-generic.h>
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#include <dm9000.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 = CS6_BASE,
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.platform_data = &ram_pdata,
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};
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static struct s3c24x0_nand_platform_data nand_info = {
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.nand_timing = CALC_NFCONF_TIMING(A9M2440_TACLS, A9M2440_TWRPH0, A9M2440_TWRPH1)
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};
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static struct device_d nand_dev = {
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.name = "s3c24x0_nand",
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.map_base = S3C24X0_NAND_BASE,
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.platform_data = &nand_info,
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};
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/*
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* dm9000 network controller onboard
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*/
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static struct dm9000_platform_data dm9000_data = {
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.iobase = CS4_BASE + 0x300,
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.iodata = CS4_BASE + 0x304,
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.buswidth = DM9000_WIDTH_16,
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.srom = 1,
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};
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static struct device_d dm9000_dev = {
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.name = "dm9000",
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.map_base = CS4_BASE + 0x300,
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.size = 8,
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.platform_data = &dm9000_data,
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};
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static int mini2440_devices_init(void)
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{
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uint32_t reg;
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reg = readl(BWSCON);
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/* CS#4 to access the network controller */
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reg &= ~0x000f0000;
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reg |= 0x000d0000; /* 16 bit */
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writel(0x1f4c, BANKCON4);
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writel(reg, BWSCON);
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/* release the reset signal to external devices */
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reg = readl(MISCCR);
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reg |= 0x10000;
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writel(reg, MISCCR);
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register_device(&nand_dev);
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register_device(&sdram_dev);
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register_device(&dm9000_dev);
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#ifdef CONFIG_NAND
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/* ----------- add some vital partitions -------- */
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devfs_del_partition("self_raw");
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devfs_add_partition("nand0", 0x00000, 0x40000, PARTITION_FIXED, "self_raw");
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dev_add_bb_dev("self_raw", NULL);
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devfs_del_partition("env_raw");
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devfs_add_partition("nand0", 0x40000, 0x20000, PARTITION_FIXED, "env_raw");
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dev_add_bb_dev("env_raw", NULL);
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#endif
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armlinux_add_dram(&sdram_dev);
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armlinux_set_bootparams((void *)sdram_dev.map_base + 0x100);
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armlinux_set_architecture(MACH_TYPE_MINI2440);
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return 0;
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}
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device_initcall(mini2440_devices_init);
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#ifdef CONFIG_S3C24XX_NAND_BOOT
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void __bare_init nand_boot(void)
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{
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s3c24x0_nand_load_image((void *)TEXT_BASE, 256 * 1024, 0, 512);
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}
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#endif
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static struct device_d mini2440_serial_device = {
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.name = "s3c24x0_serial",
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.map_base = UART1_BASE,
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.size = UART1_SIZE,
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};
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static int mini2440_console_init(void)
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{
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register_device(&mini2440_serial_device);
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return 0;
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}
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console_initcall(mini2440_console_init);
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