forked from Minki/linux
[ARM] S3C2440: Add AT2440EVB board support
Add basic support for AT2440EVB board based on Samsung S3C2440 SoC. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Ramax Lo <ramaxlo@gmail.com>
This commit is contained in:
Ramax Lo
Ben Dooks
parent
b497549a03
commit
4ab9897172
@ -68,6 +68,11 @@ config SMDK2440_CPU2440
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default y if ARCH_S3C2440
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select CPU_S3C2440
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config MACH_AT2440EVB
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bool "Avantech AT2440EVB development board"
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select CPU_S3C2440
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help
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Say Y here if you are using the AT2440EVB development board
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endmenu
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@ -21,3 +21,4 @@ obj-$(CONFIG_MACH_OSIRIS) += mach-osiris.o
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obj-$(CONFIG_MACH_RX3715) += mach-rx3715.o
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obj-$(CONFIG_ARCH_S3C2440) += mach-smdk2440.o
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obj-$(CONFIG_MACH_NEXCODER_2440) += mach-nexcoder.o
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obj-$(CONFIG_MACH_AT2440EVB) += mach-at2440evb.o
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162
arch/arm/mach-s3c2440/mach-at2440evb.c
Normal file
162
arch/arm/mach-s3c2440/mach-at2440evb.c
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@ -0,0 +1,162 @@
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/* linux/arch/arm/mach-s3c2440/mach-at2440evb.c
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*
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* Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com>
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* Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk>
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* and modifications by SBZ <sbz@spgui.org> and
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* Weibing <http://weibing.blogbus.com>
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*
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* For product information, visit http://www.arm9e.com/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/timer.h>
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#include <linux/init.h>
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#include <linux/io.h>
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#include <linux/serial_core.h>
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#include <linux/platform_device.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <asm/hardware.h>
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#include <asm/irq.h>
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#include <asm/mach-types.h>
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#include <asm/plat-s3c/regs-serial.h>
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#include <asm/arch/regs-gpio.h>
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#include <asm/arch/regs-mem.h>
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#include <asm/arch/regs-lcd.h>
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#include <asm/plat-s3c/nand.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/nand.h>
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#include <linux/mtd/nand_ecc.h>
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#include <linux/mtd/partitions.h>
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#include <asm/plat-s3c24xx/clock.h>
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#include <asm/plat-s3c24xx/devs.h>
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#include <asm/plat-s3c24xx/cpu.h>
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static struct map_desc at2440evb_iodesc[] __initdata = {
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/* Nothing here */
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};
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#define UCON S3C2410_UCON_DEFAULT
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#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
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#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
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static struct s3c24xx_uart_clksrc at2440evb_serial_clocks[] = {
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[0] = {
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.name = "uclk",
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.divisor = 1,
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.min_baud = 0,
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.max_baud = 0,
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},
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[1] = {
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.name = "pclk",
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.divisor = 1,
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.min_baud = 0,
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.max_baud = 0,
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}
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};
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static struct s3c2410_uartcfg at2440evb_uartcfgs[] __initdata = {
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[0] = {
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.hwport = 0,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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.clocks = at2440evb_serial_clocks,
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.clocks_size = ARRAY_SIZE(at2440evb_serial_clocks),
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},
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[1] = {
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.hwport = 1,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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.clocks = at2440evb_serial_clocks,
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.clocks_size = ARRAY_SIZE(at2440evb_serial_clocks),
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},
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};
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/* NAND Flash on AT2440EVB board */
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static struct mtd_partition at2440evb_default_nand_part[] = {
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[0] = {
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.name = "Boot Agent",
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.size = SZ_256K,
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.offset = 0,
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},
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[1] = {
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.name = "Kernel",
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.size = SZ_2M,
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.offset = SZ_256K,
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},
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[2] = {
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.name = "Root",
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.offset = SZ_256K + SZ_2M,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct s3c2410_nand_set at2440evb_nand_sets[] = {
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[0] = {
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.name = "nand",
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.nr_chips = 1,
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.nr_partitions = ARRAY_SIZE(at2440evb_default_nand_part),
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.partitions = at2440evb_default_nand_part,
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},
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};
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static struct s3c2410_platform_nand at2440evb_nand_info = {
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.tacls = 25,
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.twrph0 = 55,
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.twrph1 = 40,
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.nr_sets = ARRAY_SIZE(at2440evb_nand_sets),
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.sets = at2440evb_nand_sets,
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};
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static struct platform_device *at2440evb_devices[] __initdata = {
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&s3c_device_usb,
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&s3c_device_wdt,
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&s3c_device_adc,
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&s3c_device_i2c,
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&s3c_device_rtc,
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&s3c_device_nand,
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};
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static void __init at2440evb_map_io(void)
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{
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s3c_device_nand.dev.platform_data = &at2440evb_nand_info;
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s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc));
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s3c24xx_init_clocks(16934400);
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s3c24xx_init_uarts(at2440evb_uartcfgs, ARRAY_SIZE(at2440evb_uartcfgs));
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}
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static void __init at2440evb_init(void)
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{
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platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices));
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}
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MACHINE_START(AT2440EVB, "AT2440EVB")
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.phys_io = S3C2410_PA_UART,
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.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
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.boot_params = S3C2410_SDRAM_PA + 0x100,
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.map_io = at2440evb_map_io,
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.init_machine = at2440evb_init,
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.init_irq = s3c24xx_init_irq,
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.timer = &s3c24xx_timer,
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MACHINE_END
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