/* linux/arch/arm/mach-s3c2440/mach-at2440evb.c
*
* Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com>
* Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk>
* and modifications by SBZ <sbz@spgui.org> and
* Weibing <http://weibing.blogbus.com>
*
* For product information, visit http://www.arm9e.com/
*
* 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/io.h>
#include <linux/serial_core.h>
#include <linux/dm9000.h>
#include <linux/platform_device.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/plat-s3c/regs-serial.h>
#include <mach/regs-gpio.h>
#include <mach/regs-mem.h>
#include <mach/regs-lcd.h>
#include <asm/plat-s3c/nand.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/partitions.h>
#include <asm/plat-s3c24xx/clock.h>
#include <asm/plat-s3c24xx/devs.h>
#include <asm/plat-s3c24xx/cpu.h>
static struct map_desc at2440evb_iodesc[] __initdata = {
/* Nothing here */
};
#define UCON S3C2410_UCON_DEFAULT
#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
static struct s3c24xx_uart_clksrc at2440evb_serial_clocks[] = {
[0] = {
.name = "uclk",
.divisor = 1,
.min_baud = 0,
.max_baud = 0,
},
[1] = {
.name = "pclk",
.divisor = 1,
.min_baud = 0,
.max_baud = 0,
}
};
static struct s3c2410_uartcfg at2440evb_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
.clocks = at2440evb_serial_clocks,
.clocks_size = ARRAY_SIZE(at2440evb_serial_clocks),
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
.clocks = at2440evb_serial_clocks,
.clocks_size = ARRAY_SIZE(at2440evb_serial_clocks),
},
};
/* NAND Flash on AT2440EVB board */
static struct mtd_partition at2440evb_default_nand_part[] = {
[0] = {
.name = "Boot Agent",
.size = SZ_256K,
.offset = 0,
},
[1] = {
.name = "Kernel",
.size = SZ_2M,
.offset = SZ_256K,
},
[2] = {
.name = "Root",
.offset = SZ_256K + SZ_2M,
.size = MTDPART_SIZ_FULL,
},
};
static struct s3c2410_nand_set at2440evb_nand_sets[] = {
[0] = {
.name = "nand",
.nr_chips = 1,
.nr_partitions = ARRAY_SIZE(at2440evb_default_nand_part),
.partitions = at2440evb_default_nand_part,
},
};
static struct s3c2410_platform_nand at2440evb_nand_info = {
.tacls = 25,
.twrph0 = 55,
.twrph1 = 40,
.nr_sets = ARRAY_SIZE(at2440evb_nand_sets),
.sets = at2440evb_nand_sets,
};
/* DM9000AEP 10/100 ethernet controller */
static struct resource at2440evb_dm9k_resource[] = {
[0] = {
.start = S3C2410_CS3,
.end = S3C2410_CS3 + 3,
.flags = IORESOURCE_MEM
},
[1] = {
.start = S3C2410_CS3 + 4,
.end = S3C2410_CS3 + 7,
.flags = IORESOURCE_MEM
},
[2] = {
.start = IRQ_EINT7,
.end = IRQ_EINT7,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
}
};
static struct dm9000_plat_data at2440evb_dm9k_pdata = {
.flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
};
static struct platform_device at2440evb_device_eth = {
.name = "dm9000",
.id = -1,
.num_resources = ARRAY_SIZE(at2440evb_dm9k_resource),
.resource = at2440evb_dm9k_resource,
.dev = {
.platform_data = &at2440evb_dm9k_pdata,
},
};
static struct platform_device *at2440evb_devices[] __initdata = {
&s3c_device_usb,
&s3c_device_wdt,
&s3c_device_adc,
&s3c_device_i2c,
&s3c_device_rtc,
&s3c_device_nand,
&at2440evb_device_eth,
};
static void __init at2440evb_map_io(void)
{
s3c_device_nand.dev.platform_data = &at2440evb_nand_info;
s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc));
s3c24xx_init_clocks(16934400);
s3c24xx_init_uarts(at2440evb_uartcfgs, ARRAY_SIZE(at2440evb_uartcfgs));
}
static void __init at2440evb_init(void)
{
platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices));
}
MACHINE_START(AT2440EVB, "AT2440EVB")
.phys_io = S3C2410_PA_UART,
.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
.boot_params = S3C2410_SDRAM_PA + 0x100,
.map_io = at2440evb_map_io,
.init_machine = at2440evb_init,
.init_irq = s3c24xx_init_irq,
.timer = &s3c24xx_timer,
MACHINE_END
