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Commit 4ab98971 authored by Ramax Lo's avatar Ramax Lo Committed by Ben Dooks
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[ARM] S3C2440: Add AT2440EVB board support 



Add basic support for AT2440EVB board based on Samsung S3C2440 SoC.

Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
Signed-off-by: default avatarRamax Lo <ramaxlo@gmail.com>
parent b497549a

arch/arm/mach-s3c2440/Kconfig

+5 −0
Original line number Diff line number Diff line
@@ -68,6 +68,11 @@ config SMDK2440_CPU2440 
	default y if ARCH_S3C2440

	select CPU_S3C2440



config MACH_AT2440EVB

	bool "Avantech AT2440EVB development board"

	select CPU_S3C2440

	help

	  Say Y here if you are using the AT2440EVB development board



endmenu

arch/arm/mach-s3c2440/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -21,3 +21,4 @@ obj-$(CONFIG_MACH_OSIRIS) += mach-osiris.o 
obj-$(CONFIG_MACH_RX3715)	+= mach-rx3715.o

obj-$(CONFIG_ARCH_S3C2440)	+= mach-smdk2440.o

obj-$(CONFIG_MACH_NEXCODER_2440) += mach-nexcoder.o

obj-$(CONFIG_MACH_AT2440EVB) += mach-at2440evb.o

arch/arm/mach-s3c2440/mach-at2440evb.c

0 → 100644
+162 −0
Original line number Diff line number Diff line 
/* 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/platform_device.h>



#include <asm/mach/arch.h>

#include <asm/mach/map.h>

#include <asm/mach/irq.h>



#include <asm/hardware.h>

#include <asm/irq.h>

#include <asm/mach-types.h>



#include <asm/plat-s3c/regs-serial.h>

#include <asm/arch/regs-gpio.h>

#include <asm/arch/regs-mem.h>

#include <asm/arch/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,

};



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,

};



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