/* linux/arch/arm/mach-s3c2416/mach-cybook_orizon.c
 *
 * Slightly based on mach-s3c2416.c
 *
 * 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 <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <asm/setup.h>
#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/mach-types.h>

#include <asm/arch/regs-serial.h>
#include <asm/arch/regs-gpio.h>
#include <asm/arch/regs-gpioj.h>
#include <asm/arch/regs-lcd.h>
#include <asm/arch/regs-mem.h>

#include <asm/arch/idle.h>
#include <asm/arch/fb.h>

#include <asm/plat-s3c24xx/s3c2410.h>
#include <asm/plat-s3c24xx/s3c2440.h>
#include <asm/plat-s3c24xx/clock.h>
#include <asm/plat-s3c24xx/devs.h>
#include <asm/plat-s3c24xx/cpu.h>

#include <asm/plat-s3c24xx/common-smdk.h>

#include <asm/arch/nand.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>

#include <asm/arch/hsmmc.h>

#include <cybook.h>
unsigned int platform_type = CYBOOK_GEN4;
unsigned long platform_capability = PLAT_CAP_GTILT | PLAT_CAP_SOUNDNO
                                 | PLAT_CAP_VTCON | PLAT_CAP_ORIZONFORM;

static struct map_desc bkorizon_iodesc[] __initdata = {

};

#define UCON S3C2410_UCON_DEFAULT | S3C2440_UCON_FCLK
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE

static struct s3c24xx_uart_clksrc bkorizon_serial_clocks[] = {
	[0] = {
		.name		= "pclk",
		.divisor	= 1,
		.min_baud	= 0,
		.max_baud	= 0,
	},
	[1] = {
		.name		= "esysclk",
		.divisor	= 1,
		.min_baud	= 0,
		.max_baud	= 0,
	}

};

static struct s3c2410_uartcfg bkorizon_uartcfgs[] __initdata = {
	[0] = {
		.hwport	     = 0,
		.flags	     = 0,
		.ucon	     = 0x3c5,
		.ulcon	     = 0x03,
		.ufcon	     = 0x51,
	},
	[1] = { /* VRFY: Used by BT? */
		.hwport	     = 1,
		.flags	     = 0,
		/* Use PCLK */
		.ucon	     = 0x3c5,
		.ulcon	     = 0x03,
		.ufcon	     = 0x51,
		.clocks	     = bkorizon_serial_clocks,
		.clocks_size = ARRAY_SIZE(bkorizon_serial_clocks),
	},
	/* IR port */
	[2] = {
		.hwport	     = 2,
		.flags	     = 0,
		.ucon	     = 0x3c5,
		.ulcon	     = 0x03,
		.ufcon	     = 0x51,
		.clocks	     = bkorizon_serial_clocks,
		.clocks_size = ARRAY_SIZE(bkorizon_serial_clocks),
	}
};

/*** TODO: Verify this list and remove anything unneeded */
static struct platform_device *bkorizon_devices[] __initdata = {
	&s3c_device_spi0,
	&s3c_device_spi1,
	&s3c_device_wdt,
	&s3c_device_i2c,
	&s3c_device_lcd,
	&s3c_device_rtc,
	&s3c_device_adc,
	&s3c_device_iis,
	&s3c_device_usbgadget,
	&s3c_device_usb,
	&s3c_device_hsmmc0,
	&s3c_device_hsmmc1,

	&s3c_device_ts_iic,
};

static struct s3c24xx_board bkorizon_board __initdata = {
	.devices       = bkorizon_devices,
	.devices_count = ARRAY_SIZE(bkorizon_devices)
};

static void bkorizon_power_off(void)
{
	printk(KERN_ERR "Will Shutdown...\n");
	s3c2410_gpio_cfgpin(S3C2410_GPD14, S3C2410_GPD14_OUTP);
	s3c2410_gpio_setpin(S3C2410_GPD14, 0);
}

static void __init bkorizon_map_io(void)
{
        s3c24xx_init_io(bkorizon_iodesc, ARRAY_SIZE(bkorizon_iodesc));
	s3c24xx_init_clocks(12000000);
	s3c24xx_init_uarts(bkorizon_uartcfgs, ARRAY_SIZE(bkorizon_uartcfgs));
	s3c24xx_set_board(&bkorizon_board);
}

static void __init bkorizon_machine_init(void)
{
	smdk_machine_init();
	pm_power_off = bkorizon_power_off;
}

static void __init bkorizon_fixup (struct machine_desc *desc, struct tag *tags,
	      char **cmdline, struct meminfo *mi)
{
	/*
	 * Bank start addresses are not present in the information
	 * passed in from the boot loader.  We could potentially
	 * detect them, but instead we hard-code them.
	 */
	mi->bank[0].start = 0x30000000;
	mi->bank[0].size = 128*1024*1024;
	mi->bank[0].node = 0;
	mi->nr_banks = 1;
}


MACHINE_START(CYBOOK_ORIZON, "Cybook Orizon")
	/* Maintainer: Manoel Trapier <mtrapier@bookeen.com> */
	.phys_io	= S3C2410_PA_UART,
	.io_pg_offst	= (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
	.boot_params	= S3C2410_SDRAM_PA + 0x100,

	.init_irq	= s3c24xx_init_irq,
	.map_io		= bkorizon_map_io,
	.fixup      	= bkorizon_fixup,
	.init_machine	= bkorizon_machine_init,
	.timer		= &s3c24xx_timer,
MACHINE_END


/*
 * HS-MMC GPIO Set function for S3C2416 SMDK board
 */
void hsmmc_set_gpio (uint channel, uint width)
{
	switch (channel) {

	/* can supports 1 and 4 bit bus */
	case 0:
		/* GPIO E : Command, Clock */
		s3c2410_gpio_cfgpin(S3C2410_GPE5,  S3C2450_GPE5_SD0_CLK);
		s3c2410_gpio_cfgpin(S3C2410_GPE6, S3C2450_GPE6_SD0_CMD);

		if (width == 1) {
			/* GPIO E : MMC DATA0[0] */
			s3c2410_gpio_cfgpin(S3C2410_GPE7,  S3C2450_GPE7_SD0_DAT0);
		}
		else if (width == 4) {
			/* GPIO E : MMC DATA0[0:3] */
			s3c2410_gpio_cfgpin(S3C2410_GPE7,  S3C2450_GPE7_SD0_DAT0);
			s3c2410_gpio_cfgpin(S3C2410_GPE8,  S3C2450_GPE8_SD0_DAT1);
			s3c2410_gpio_cfgpin(S3C2410_GPE9,  S3C2450_GPE9_SD0_DAT2);
			s3c2410_gpio_cfgpin(S3C2410_GPE10,  S3C2450_GPE10_SD0_DAT3);
		}
		break;

	/* can supports 1 and 4 bit bus */
	case 1:
		/* GPIO L : Command, Clock */
		s3c2410_gpio_cfgpin(S3C2443_GPL8, S3C2450_GPL8_SD1CMD);
		s3c2410_gpio_cfgpin(S3C2443_GPL9, S3C2450_GPL9_SD1CLK);

		if (width == 1) {
			/* GPIO L : MMC DATA1[0] */
			s3c2410_gpio_cfgpin(S3C2443_GPL0, S3C2450_GPL0_SD1DAT0);
		}
		else if (width == 4) {
			/* GPIO L : MMC DATA1[0:3] */
			s3c2410_gpio_cfgpin(S3C2443_GPL0, S3C2450_GPL0_SD1DAT0);
			s3c2410_gpio_cfgpin(S3C2443_GPL1, S3C2450_GPL1_SD1DAT1);
			s3c2410_gpio_cfgpin(S3C2443_GPL2, S3C2450_GPL2_SD1DAT2);
			s3c2410_gpio_cfgpin(S3C2443_GPL3, S3C2450_GPL3_SD1DAT3);
		}
		break;

	default:
		break;
	}
}

EXPORT_SYMBOL_GPL(hsmmc_set_gpio);

#define HOST_CAPS (MMC_CAP_4_BIT_DATA | MMC_CAP_MULTIWRITE | \
			MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED)

/* Channel 0 : added HS-MMC channel */
struct s3c_hsmmc_cfg s3c_hsmmc0_platform = {
	.hwport = 0,
	.enabled = 1,
	.host_caps = 0xF ,
	.bus_width = 4,
	.highspeed = 0,

	/* ctrl for mmc */
	.fd_ctrl[MMC_MODE_MMC] = {
		.ctrl2 = 0xC0000100,			/* ctrl2 for mmc */
		.ctrl3[SPEED_NORMAL] = 0,		/* ctrl3 for low speed */
		.ctrl3[SPEED_HIGH]   = 0,		/* ctrl3 for high speed */
		.ctrl4 = 0x3,
	},

	/* ctrl for sd */
	.fd_ctrl[MMC_MODE_SD] = {
		.ctrl2 = 0xC0000100,			/* ctrl2 for sd */
		.ctrl3[SPEED_NORMAL] = 0,		/* ctrl3 for low speed */
		.ctrl3[SPEED_HIGH]   = 0,		/* ctrl3 for high speed */
		.ctrl4 = 0x3,
	},

	.clk_name[0] = "hsmmc",				/* 1st clock source */
	.clk_name[1] = "esysclk",			/* 2nd clock source hsmmc-epll by Ben Dooks */
	.clk_name[2] = "hsmmc-ext",			/* 3rd clock source */
};

/* Channel 1 : default HS-MMC channel */
struct s3c_hsmmc_cfg s3c_hsmmc1_platform = {
	.hwport = 1,
	.enabled = 1,
	.host_caps = 0xF ,
	.bus_width = 8,
	.highspeed = 0,

	/* ctrl for mmc */
	.fd_ctrl[MMC_MODE_MMC] = {
		.ctrl2 = 0xC0000100,			/* ctrl2 for mmc */
		.ctrl3[SPEED_NORMAL] = 0,		/* ctrl3 for low speed */
		.ctrl3[SPEED_HIGH]   = 0,		/* ctrl3 for high speed */
		.ctrl4 = 0x3,
	},

	/* ctrl for sd */
	.fd_ctrl[MMC_MODE_SD] = {
		.ctrl2 = 0xC0000100,			/* ctrl2 for sd */
		.ctrl3[SPEED_NORMAL] = 0,		/* ctrl3 for low speed */
		.ctrl3[SPEED_HIGH]   = 0,		/* ctrl3 for high speed */
		.ctrl4 = 0x3,
	},

	.clk_name[0] = "hsmmc",				/* 1st clock source */
	.clk_name[1] = "esysclk",			/* 2nd clock source hsmmc-epll by Ben Dooks */
	.clk_name[2] = "hsmmc-ext",			/* 3rd clock source */
};