Linux Kernel iMX6
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/* linux/arch/arm/mach-s3c2416/mach-hanlin_v3c.c
*
* Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
* as part of OpenInkpot project
* Copyright (c) 2009 Promwad Innovation Company
* Yauhen Kharuzhy <yauhen.kharuzhy@promwad.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/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/mtd/partitions.h>
#include <linux/gpio.h>
#include <linux/fb.h>
#include <linux/delay.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <video/samsung_fimd.h>
#include <mach/hardware.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/regs-s3c2443-clock.h>
#include <mach/gpio-samsung.h>
#include <linux/platform_data/leds-s3c24xx.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <plat/gpio-cfg.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <linux/platform_data/mtd-nand-s3c2410.h>
#include <plat/sdhci.h>
#include <linux/platform_data/usb-s3c2410_udc.h>
#include <linux/platform_data/s3c-hsudc.h>
#include <plat/samsung-time.h>
#include <plat/fb.h>
#include "common.h"
#include "common-smdk.h"
static struct map_desc smdk2416_iodesc[] __initdata = {
/* ISA IO Space map (memory space selected by A24) */
{
.virtual = (u32)S3C24XX_VA_ISA_WORD,
.pfn = __phys_to_pfn(S3C2410_CS2),
.length = 0x10000,
.type = MT_DEVICE,
}, {
.virtual = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
.pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
.length = SZ_4M,
.type = MT_DEVICE,
}, {
.virtual = (u32)S3C24XX_VA_ISA_BYTE,
.pfn = __phys_to_pfn(S3C2410_CS2),
.length = 0x10000,
.type = MT_DEVICE,
}, {
.virtual = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
.pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
.length = SZ_4M,
.type = MT_DEVICE,
}
};
#define UCON (S3C2410_UCON_DEFAULT | \
S3C2440_UCON_PCLK | \
S3C2443_UCON_RXERR_IRQEN)
#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
#define UFCON (S3C2410_UFCON_RXTRIG8 | \
S3C2410_UFCON_FIFOMODE | \
S3C2440_UFCON_TXTRIG16)
static struct s3c2410_uartcfg smdk2416_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
/* IR port */
[2] = {
.hwport = 2,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON | 0x50,
.ufcon = UFCON,
},
[3] = {
.hwport = 3,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
}
};
static void smdk2416_hsudc_gpio_init(void)
{
s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_UP);
s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_NONE);
s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(1));
s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 0);
}
static void smdk2416_hsudc_gpio_uninit(void)
{
s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 1);
s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_NONE);
s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(0));
}
static struct s3c24xx_hsudc_platdata smdk2416_hsudc_platdata = {
.epnum = 9,
.gpio_init = smdk2416_hsudc_gpio_init,
.gpio_uninit = smdk2416_hsudc_gpio_uninit,
};
static struct s3c_fb_pd_win smdk2416_fb_win[] = {
[0] = {
.default_bpp = 16,
.max_bpp = 32,
.xres = 800,
.yres = 480,
},
};
static struct fb_videomode smdk2416_lcd_timing = {
.pixclock = 41094,
.left_margin = 8,
.right_margin = 13,
.upper_margin = 7,
.lower_margin = 5,
.hsync_len = 3,
.vsync_len = 1,
.xres = 800,
.yres = 480,
};
static void s3c2416_fb_gpio_setup_24bpp(void)
{
unsigned int gpio;
for (gpio = S3C2410_GPC(1); gpio <= S3C2410_GPC(4); gpio++) {
s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
}
for (gpio = S3C2410_GPC(8); gpio <= S3C2410_GPC(15); gpio++) {
s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
}
for (gpio = S3C2410_GPD(0); gpio <= S3C2410_GPD(15); gpio++) {
s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
}
}
static struct s3c_fb_platdata smdk2416_fb_platdata = {
.win[0] = &smdk2416_fb_win[0],
.vtiming = &smdk2416_lcd_timing,
.setup_gpio = s3c2416_fb_gpio_setup_24bpp,
.vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
.vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
};
static struct s3c_sdhci_platdata smdk2416_hsmmc0_pdata __initdata = {
.max_width = 4,
.cd_type = S3C_SDHCI_CD_GPIO,
.ext_cd_gpio = S3C2410_GPF(1),
.ext_cd_gpio_invert = 1,
};
static struct s3c_sdhci_platdata smdk2416_hsmmc1_pdata __initdata = {
.max_width = 4,
.cd_type = S3C_SDHCI_CD_NONE,
};
static struct platform_device *smdk2416_devices[] __initdata = {
&s3c_device_fb,
&s3c_device_wdt,
&s3c_device_ohci,
&s3c_device_i2c0,
&s3c_device_hsmmc0,
&s3c_device_hsmmc1,
&s3c_device_usb_hsudc,
&s3c2443_device_dma,
};
static void __init smdk2416_map_io(void)
{
s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc));
s3c24xx_init_clocks(12000000);
s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs));
samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
}
static void __init smdk2416_machine_init(void)
{
s3c_i2c0_set_platdata(NULL);
s3c_fb_set_platdata(&smdk2416_fb_platdata);
s3c_sdhci0_set_platdata(&smdk2416_hsmmc0_pdata);
s3c_sdhci1_set_platdata(&smdk2416_hsmmc1_pdata);
s3c24xx_hsudc_set_platdata(&smdk2416_hsudc_platdata);
gpio_request(S3C2410_GPB(4), "USBHost Power");
gpio_direction_output(S3C2410_GPB(4), 1);
gpio_request(S3C2410_GPB(3), "Display Power");
gpio_direction_output(S3C2410_GPB(3), 1);
gpio_request(S3C2410_GPB(1), "Display Reset");
gpio_direction_output(S3C2410_GPB(1), 1);
platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices));
smdk_machine_init();
}
MACHINE_START(SMDK2416, "SMDK2416")
/* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */
.atag_offset = 0x100,
.init_irq = s3c2416_init_irq,
.map_io = smdk2416_map_io,
.init_machine = smdk2416_machine_init,
.init_time = samsung_timer_init,
.restart = s3c2416_restart,
MACHINE_END