OpenCloudOS-Kernel/arch/arm/mach-s3c2412/mach-vstms.c

168 lines
3.5 KiB
C

/* linux/arch/arm/mach-s3c2412/mach-vstms.c
*
* (C) 2006 Thomas Gleixner <tglx@linutronix.de>
*
* Derived from mach-smdk2413.c - (C) 2006 Simtec Electronics
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/partitions.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <plat/regs-serial.h>
#include <mach/regs-gpio.h>
#include <mach/regs-lcd.h>
#include <mach/idle.h>
#include <mach/fb.h>
#include <asm/plat-s3c/nand.h>
#include <plat/s3c2410.h>
#include <plat/s3c2412.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
static struct map_desc vstms_iodesc[] __initdata = {
};
static struct s3c2410_uartcfg vstms_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = 0x3c5,
.ulcon = 0x03,
.ufcon = 0x51,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = 0x3c5,
.ulcon = 0x03,
.ufcon = 0x51,
},
[2] = {
.hwport = 2,
.flags = 0,
.ucon = 0x3c5,
.ulcon = 0x03,
.ufcon = 0x51,
}
};
static struct mtd_partition vstms_nand_part[] = {
[0] = {
.name = "Boot Agent",
.size = 0x7C000,
.offset = 0,
},
[1] = {
.name = "UBoot Config",
.offset = 0x7C000,
.size = 0x4000,
},
[2] = {
.name = "Kernel",
.offset = 0x80000,
.size = 0x200000,
},
[3] = {
.name = "RFS",
.offset = 0x280000,
.size = 0x3d80000,
},
};
static struct s3c2410_nand_set vstms_nand_sets[] = {
[0] = {
.name = "NAND",
.nr_chips = 1,
.nr_partitions = ARRAY_SIZE(vstms_nand_part),
.partitions = vstms_nand_part,
},
};
/* choose a set of timings which should suit most 512Mbit
* chips and beyond.
*/
static struct s3c2410_platform_nand vstms_nand_info = {
.tacls = 20,
.twrph0 = 60,
.twrph1 = 20,
.nr_sets = ARRAY_SIZE(vstms_nand_sets),
.sets = vstms_nand_sets,
};
static struct platform_device *vstms_devices[] __initdata = {
&s3c_device_usb,
&s3c_device_wdt,
&s3c_device_i2c,
&s3c_device_iis,
&s3c_device_rtc,
&s3c_device_nand,
};
static void __init vstms_fixup(struct machine_desc *desc,
struct tag *tags, char **cmdline,
struct meminfo *mi)
{
if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
mi->nr_banks=1;
mi->bank[0].start = 0x30000000;
mi->bank[0].size = SZ_64M;
mi->bank[0].node = 0;
}
}
static void __init vstms_map_io(void)
{
s3c_device_nand.dev.platform_data = &vstms_nand_info;
s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc));
s3c24xx_init_clocks(12000000);
s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs));
}
static void __init vstms_init(void)
{
platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices));
}
MACHINE_START(VSTMS, "VSTMS")
.phys_io = S3C2410_PA_UART,
.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
.boot_params = S3C2410_SDRAM_PA + 0x100,
.fixup = vstms_fixup,
.init_irq = s3c24xx_init_irq,
.init_machine = vstms_init,
.map_io = vstms_map_io,
.timer = &s3c24xx_timer,
MACHINE_END