186 строки
4.5 KiB
C
186 строки
4.5 KiB
C
/* linux/arch/arm/mach-s3c6410/mach-smdk6410.c
|
|
*
|
|
* Copyright 2008 Openmoko, Inc.
|
|
* Copyright 2008 Simtec Electronics
|
|
* Ben Dooks <ben@simtec.co.uk>
|
|
* http://armlinux.simtec.co.uk/
|
|
*
|
|
* 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/i2c.h>
|
|
#include <linux/fb.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/delay.h>
|
|
|
|
#include <video/platform_lcd.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/irq.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <mach/regs-fb.h>
|
|
#include <mach/map.h>
|
|
|
|
#include <asm/irq.h>
|
|
#include <asm/mach-types.h>
|
|
|
|
#include <plat/regs-serial.h>
|
|
#include <plat/iic.h>
|
|
#include <plat/fb.h>
|
|
|
|
#include <plat/s3c6410.h>
|
|
#include <plat/clock.h>
|
|
#include <plat/devs.h>
|
|
#include <plat/cpu.h>
|
|
|
|
#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
|
|
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
|
|
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
|
|
|
|
static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = {
|
|
[0] = {
|
|
.hwport = 0,
|
|
.flags = 0,
|
|
.ucon = 0x3c5,
|
|
.ulcon = 0x03,
|
|
.ufcon = 0x51,
|
|
},
|
|
[1] = {
|
|
.hwport = 1,
|
|
.flags = 0,
|
|
.ucon = 0x3c5,
|
|
.ulcon = 0x03,
|
|
.ufcon = 0x51,
|
|
},
|
|
};
|
|
|
|
/* framebuffer and LCD setup. */
|
|
|
|
/* GPF15 = LCD backlight control
|
|
* GPF13 => Panel power
|
|
* GPN5 = LCD nRESET signal
|
|
* PWM_TOUT1 => backlight brightness
|
|
*/
|
|
|
|
static void smdk6410_lcd_power_set(struct plat_lcd_data *pd,
|
|
unsigned int power)
|
|
{
|
|
if (power) {
|
|
gpio_direction_output(S3C64XX_GPF(13), 1);
|
|
gpio_direction_output(S3C64XX_GPF(15), 1);
|
|
|
|
/* fire nRESET on power up */
|
|
gpio_direction_output(S3C64XX_GPN(5), 0);
|
|
msleep(10);
|
|
gpio_direction_output(S3C64XX_GPN(5), 1);
|
|
msleep(1);
|
|
} else {
|
|
gpio_direction_output(S3C64XX_GPF(15), 0);
|
|
gpio_direction_output(S3C64XX_GPF(13), 0);
|
|
}
|
|
}
|
|
|
|
static struct plat_lcd_data smdk6410_lcd_power_data = {
|
|
.set_power = smdk6410_lcd_power_set,
|
|
};
|
|
|
|
static struct platform_device smdk6410_lcd_powerdev = {
|
|
.name = "platform-lcd",
|
|
.dev.parent = &s3c_device_fb.dev,
|
|
.dev.platform_data = &smdk6410_lcd_power_data,
|
|
};
|
|
|
|
static struct s3c_fb_pd_win smdk6410_fb_win0 = {
|
|
/* this is to ensure we use win0 */
|
|
.win_mode = {
|
|
.pixclock = 41094,
|
|
.left_margin = 8,
|
|
.right_margin = 13,
|
|
.upper_margin = 7,
|
|
.lower_margin = 5,
|
|
.hsync_len = 3,
|
|
.vsync_len = 1,
|
|
.xres = 800,
|
|
.yres = 480,
|
|
},
|
|
.max_bpp = 32,
|
|
.default_bpp = 16,
|
|
};
|
|
|
|
/* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */
|
|
static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = {
|
|
.setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
|
|
.win[0] = &smdk6410_fb_win0,
|
|
.vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
|
|
.vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
|
|
};
|
|
|
|
struct map_desc smdk6410_iodesc[] = {};
|
|
|
|
static struct platform_device *smdk6410_devices[] __initdata = {
|
|
#ifdef CONFIG_SMDK6410_SD_CH0
|
|
&s3c_device_hsmmc0,
|
|
#endif
|
|
#ifdef CONFIG_SMDK6410_SD_CH1
|
|
&s3c_device_hsmmc1,
|
|
#endif
|
|
&s3c_device_i2c0,
|
|
&s3c_device_i2c1,
|
|
&s3c_device_fb,
|
|
&smdk6410_lcd_powerdev,
|
|
};
|
|
|
|
static struct i2c_board_info i2c_devs0[] __initdata = {
|
|
{ I2C_BOARD_INFO("24c08", 0x50), },
|
|
{ I2C_BOARD_INFO("WM8580", 0X1b), },
|
|
};
|
|
|
|
static struct i2c_board_info i2c_devs1[] __initdata = {
|
|
{ I2C_BOARD_INFO("24c128", 0x57), }, /* Samsung S524AD0XD1 */
|
|
};
|
|
|
|
static void __init smdk6410_map_io(void)
|
|
{
|
|
s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc));
|
|
s3c24xx_init_clocks(12000000);
|
|
s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs));
|
|
}
|
|
|
|
static void __init smdk6410_machine_init(void)
|
|
{
|
|
s3c_i2c0_set_platdata(NULL);
|
|
s3c_i2c1_set_platdata(NULL);
|
|
s3c_fb_set_platdata(&smdk6410_lcd_pdata);
|
|
|
|
i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
|
|
i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
|
|
|
|
platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices));
|
|
}
|
|
|
|
MACHINE_START(SMDK6410, "SMDK6410")
|
|
/* Maintainer: Ben Dooks <ben@fluff.org> */
|
|
.phys_io = S3C_PA_UART & 0xfff00000,
|
|
.io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
|
|
.boot_params = S3C64XX_PA_SDRAM + 0x100,
|
|
|
|
.init_irq = s3c6410_init_irq,
|
|
.map_io = smdk6410_map_io,
|
|
.init_machine = smdk6410_machine_init,
|
|
.timer = &s3c24xx_timer,
|
|
MACHINE_END
|