Linux Kernel iMX6
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/* 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.arm.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/gpio.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 <mach/fb.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/gpio-samsung.h>
#include <linux/platform_data/mtd-nand-s3c2410.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/partitions.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <linux/platform_data/mmc-s3cmci.h>
#include <plat/samsung-time.h>
#include "common.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 s3c2410_uartcfg at2440evb_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
.clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
.clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
},
};
/* NAND Flash on AT2440EVB board */
static struct mtd_partition __initdata 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 __initdata 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 __initdata 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] = DEFINE_RES_MEM(S3C2410_CS3, 4),
[1] = DEFINE_RES_MEM(S3C2410_CS3 + 4, 4),
[2] = DEFINE_RES_NAMED(IRQ_EINT7, 1, NULL, 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 s3c24xx_mci_pdata at2440evb_mci_pdata __initdata = {
.gpio_detect = S3C2410_GPG(10),
};
/* 7" LCD panel */
static struct s3c2410fb_display at2440evb_lcd_cfg __initdata = {
.lcdcon5 = S3C2410_LCDCON5_FRM565 |
S3C2410_LCDCON5_INVVLINE |
S3C2410_LCDCON5_INVVFRAME |
S3C2410_LCDCON5_PWREN |
S3C2410_LCDCON5_HWSWP,
.type = S3C2410_LCDCON1_TFT,
.width = 800,
.height = 480,
.pixclock = 33333, /* HCLK 60 MHz, divisor 2 */
.xres = 800,
.yres = 480,
.bpp = 16,
.left_margin = 88,
.right_margin = 40,
.hsync_len = 128,
.upper_margin = 32,
.lower_margin = 11,
.vsync_len = 2,
};
static struct s3c2410fb_mach_info at2440evb_fb_info __initdata = {
.displays = &at2440evb_lcd_cfg,
.num_displays = 1,
.default_display = 0,
};
static struct platform_device *at2440evb_devices[] __initdata = {
&s3c_device_ohci,
&s3c_device_wdt,
&s3c_device_adc,
&s3c_device_i2c0,
&s3c_device_rtc,
&s3c_device_nand,
&s3c_device_sdi,
&s3c_device_lcd,
&at2440evb_device_eth,
};
static void __init at2440evb_map_io(void)
{
s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc));
s3c24xx_init_clocks(16934400);
s3c24xx_init_uarts(at2440evb_uartcfgs, ARRAY_SIZE(at2440evb_uartcfgs));
samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
}
static void __init at2440evb_init(void)
{
s3c24xx_fb_set_platdata(&at2440evb_fb_info);
s3c24xx_mci_set_platdata(&at2440evb_mci_pdata);
s3c_nand_set_platdata(&at2440evb_nand_info);
s3c_i2c0_set_platdata(NULL);
platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices));
}
MACHINE_START(AT2440EVB, "AT2440EVB")
.atag_offset = 0x100,
.map_io = at2440evb_map_io,
.init_machine = at2440evb_init,
.init_irq = s3c2440_init_irq,
.init_time = samsung_timer_init,
.restart = s3c244x_restart,
MACHINE_END