[mirror_ubuntu-artful-kernel.git] / arch / arm / mach-s3c24xx / mach-bast.c

/* linux/arch/arm/mach-s3c2410/mach-bast.c
 *
 * Copyright 2003-2008 Simtec Electronics
 *   Ben Dooks <ben@simtec.co.uk>
 *
 * http://www.simtec.co.uk/products/EB2410ITX/
 *
 * 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/gpio.h>
#include <linux/syscore_ops.h>
#include <linux/serial_core.h>
#include <linux/serial_s3c.h>
#include <linux/platform_device.h>
#include <linux/dm9000.h>
#include <linux/ata_platform.h>
#include <linux/i2c.h>
#include <linux/io.h>
#include <linux/serial_8250.h>

#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/partitions.h>

#include <linux/platform_data/asoc-s3c24xx_simtec.h>
#include <linux/platform_data/hwmon-s3c.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <linux/platform_data/mtd-nand-s3c2410.h>

#include <net/ax88796.h>

#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/mach-types.h>

#include <mach/fb.h>
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
#include <mach/regs-lcd.h>
#include <mach/gpio-samsung.h>

#include <plat/cpu.h>
#include <plat/cpu-freq.h>
#include <plat/devs.h>
#include <plat/gpio-cfg.h>
#include <plat/samsung-time.h>

#include "bast.h"
#include "common.h"
#include "simtec.h"

#define COPYRIGHT ", Copyright 2004-2008 Simtec Electronics"

/* macros for virtual address mods for the io space entries */
#define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
#define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4)
#define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3)
#define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2)

/* macros to modify the physical addresses for io space */

#define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2))
#define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3))
#define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4))
#define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5))

static struct map_desc bast_iodesc[] __initdata = {
  /* ISA IO areas */
  {
	  .virtual	= (u32)S3C24XX_VA_ISA_BYTE,
	  .pfn		= PA_CS2(BAST_PA_ISAIO),
	  .length	= SZ_16M,
	  .type		= MT_DEVICE,
  }, {
	  .virtual	= (u32)S3C24XX_VA_ISA_WORD,
	  .pfn		= PA_CS3(BAST_PA_ISAIO),
	  .length	= SZ_16M,
	  .type		= MT_DEVICE,
  },
  /* bast CPLD control registers, and external interrupt controls */
  {
	  .virtual	= (u32)BAST_VA_CTRL1,
	  .pfn		= __phys_to_pfn(BAST_PA_CTRL1),
	  .length	= SZ_1M,
	  .type		= MT_DEVICE,
  }, {
	  .virtual	= (u32)BAST_VA_CTRL2,
	  .pfn		= __phys_to_pfn(BAST_PA_CTRL2),
	  .length	= SZ_1M,
	  .type		= MT_DEVICE,
  }, {
	  .virtual	= (u32)BAST_VA_CTRL3,
	  .pfn		= __phys_to_pfn(BAST_PA_CTRL3),
	  .length	= SZ_1M,
	  .type		= MT_DEVICE,
  }, {
	  .virtual	= (u32)BAST_VA_CTRL4,
	  .pfn		= __phys_to_pfn(BAST_PA_CTRL4),
	  .length	= SZ_1M,
	  .type		= MT_DEVICE,
  },
  /* PC104 IRQ mux */
  {
	  .virtual	= (u32)BAST_VA_PC104_IRQREQ,
	  .pfn		= __phys_to_pfn(BAST_PA_PC104_IRQREQ),
	  .length	= SZ_1M,
	  .type		= MT_DEVICE,
  }, {
	  .virtual	= (u32)BAST_VA_PC104_IRQRAW,
	  .pfn		= __phys_to_pfn(BAST_PA_PC104_IRQRAW),
	  .length	= SZ_1M,
	  .type		= MT_DEVICE,
  }, {
	  .virtual	= (u32)BAST_VA_PC104_IRQMASK,
	  .pfn		= __phys_to_pfn(BAST_PA_PC104_IRQMASK),
	  .length	= SZ_1M,
	  .type		= MT_DEVICE,
  },

  /* peripheral space... one for each of fast/slow/byte/16bit */
  /* note, ide is only decoded in word space, even though some registers
   * are only 8bit */

  /* slow, byte */
  { VA_C2(BAST_VA_ISAIO),   PA_CS2(BAST_PA_ISAIO),    SZ_16M, MT_DEVICE },
  { VA_C2(BAST_VA_ISAMEM),  PA_CS2(BAST_PA_ISAMEM),   SZ_16M, MT_DEVICE },
  { VA_C2(BAST_VA_SUPERIO), PA_CS2(BAST_PA_SUPERIO),  SZ_1M,  MT_DEVICE },

  /* slow, word */
  { VA_C3(BAST_VA_ISAIO),   PA_CS3(BAST_PA_ISAIO),    SZ_16M, MT_DEVICE },
  { VA_C3(BAST_VA_ISAMEM),  PA_CS3(BAST_PA_ISAMEM),   SZ_16M, MT_DEVICE },
  { VA_C3(BAST_VA_SUPERIO), PA_CS3(BAST_PA_SUPERIO),  SZ_1M,  MT_DEVICE },

  /* fast, byte */
  { VA_C4(BAST_VA_ISAIO),   PA_CS4(BAST_PA_ISAIO),    SZ_16M, MT_DEVICE },
  { VA_C4(BAST_VA_ISAMEM),  PA_CS4(BAST_PA_ISAMEM),   SZ_16M, MT_DEVICE },
  { VA_C4(BAST_VA_SUPERIO), PA_CS4(BAST_PA_SUPERIO),  SZ_1M,  MT_DEVICE },

  /* fast, word */
  { VA_C5(BAST_VA_ISAIO),   PA_CS5(BAST_PA_ISAIO),    SZ_16M, MT_DEVICE },
  { VA_C5(BAST_VA_ISAMEM),  PA_CS5(BAST_PA_ISAMEM),   SZ_16M, MT_DEVICE },
  { VA_C5(BAST_VA_SUPERIO), PA_CS5(BAST_PA_SUPERIO),  SZ_1M,  MT_DEVICE },
};

#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 bast_uartcfgs[] __initdata = {
	[0] = {
		.hwport	     = 0,
		.flags	     = 0,
		.ucon	     = UCON,
		.ulcon	     = ULCON,
		.ufcon	     = UFCON,
	},
	[1] = {
		.hwport	     = 1,
		.flags	     = 0,
		.ucon	     = UCON,
		.ulcon	     = ULCON,
		.ufcon	     = UFCON,
	},
	/* port 2 is not actually used */
	[2] = {
		.hwport	     = 2,
		.flags	     = 0,
		.ucon	     = UCON,
		.ulcon	     = ULCON,
		.ufcon	     = UFCON,
	}
};

/* NAND Flash on BAST board */

#ifdef CONFIG_PM
static int bast_pm_suspend(void)
{
	/* ensure that an nRESET is not generated on resume. */
	gpio_direction_output(S3C2410_GPA(21), 1);
	return 0;
}

static void bast_pm_resume(void)
{
	s3c_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT);
}

#else
#define bast_pm_suspend NULL
#define bast_pm_resume NULL
#endif

static struct syscore_ops bast_pm_syscore_ops = {
	.suspend	= bast_pm_suspend,
	.resume		= bast_pm_resume,
};

static int smartmedia_map[] = { 0 };
static int chip0_map[] = { 1 };
static int chip1_map[] = { 2 };
static int chip2_map[] = { 3 };

static struct mtd_partition __initdata bast_default_nand_part[] = {
	[0] = {
		.name	= "Boot Agent",
		.size	= SZ_16K,
		.offset	= 0,
	},
	[1] = {
		.name	= "/boot",
		.size	= SZ_4M - SZ_16K,
		.offset	= SZ_16K,
	},
	[2] = {
		.name	= "user",
		.offset	= SZ_4M,
		.size	= MTDPART_SIZ_FULL,
	}
};

/* the bast has 4 selectable slots for nand-flash, the three
 * on-board chip areas, as well as the external SmartMedia
 * slot.
 *
 * Note, there is no current hot-plug support for the SmartMedia
 * socket.
*/

static struct s3c2410_nand_set __initdata bast_nand_sets[] = {
	[0] = {
		.name		= "SmartMedia",
		.nr_chips	= 1,
		.nr_map		= smartmedia_map,
		.options        = NAND_SCAN_SILENT_NODEV,
		.nr_partitions	= ARRAY_SIZE(bast_default_nand_part),
		.partitions	= bast_default_nand_part,
	},
	[1] = {
		.name		= "chip0",
		.nr_chips	= 1,
		.nr_map		= chip0_map,
		.nr_partitions	= ARRAY_SIZE(bast_default_nand_part),
		.partitions	= bast_default_nand_part,
	},
	[2] = {
		.name		= "chip1",
		.nr_chips	= 1,
		.nr_map		= chip1_map,
		.options        = NAND_SCAN_SILENT_NODEV,
		.nr_partitions	= ARRAY_SIZE(bast_default_nand_part),
		.partitions	= bast_default_nand_part,
	},
	[3] = {
		.name		= "chip2",
		.nr_chips	= 1,
		.nr_map		= chip2_map,
		.options        = NAND_SCAN_SILENT_NODEV,
		.nr_partitions	= ARRAY_SIZE(bast_default_nand_part),
		.partitions	= bast_default_nand_part,
	}
};

static void bast_nand_select(struct s3c2410_nand_set *set, int slot)
{
	unsigned int tmp;

	slot = set->nr_map[slot] & 3;

	pr_debug("bast_nand: selecting slot %d (set %p,%p)\n",
		 slot, set, set->nr_map);

	tmp = __raw_readb(BAST_VA_CTRL2);
	tmp &= BAST_CPLD_CTLR2_IDERST;
	tmp |= slot;
	tmp |= BAST_CPLD_CTRL2_WNAND;

	pr_debug("bast_nand: ctrl2 now %02x\n", tmp);

	__raw_writeb(tmp, BAST_VA_CTRL2);
}

static struct s3c2410_platform_nand __initdata bast_nand_info = {
	.tacls		= 30,
	.twrph0		= 60,
	.twrph1		= 60,
	.nr_sets	= ARRAY_SIZE(bast_nand_sets),
	.sets		= bast_nand_sets,
	.select_chip	= bast_nand_select,
};

/* DM9000 */

static struct resource bast_dm9k_resource[] = {
	[0] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_DM9000, 4),
	[1] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_DM9000 + 0x40, 0x40),
	[2] = DEFINE_RES_NAMED(BAST_IRQ_DM9000 , 1, NULL, IORESOURCE_IRQ \
					| IORESOURCE_IRQ_HIGHLEVEL),
};

/* for the moment we limit ourselves to 16bit IO until some
 * better IO routines can be written and tested
*/

static struct dm9000_plat_data bast_dm9k_platdata = {
	.flags		= DM9000_PLATF_16BITONLY,
};

static struct platform_device bast_device_dm9k = {
	.name		= "dm9000",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(bast_dm9k_resource),
	.resource	= bast_dm9k_resource,
	.dev		= {
		.platform_data = &bast_dm9k_platdata,
	}
};

/* serial devices */

#define SERIAL_BASE  (S3C2410_CS2 + BAST_PA_SUPERIO)
#define SERIAL_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SHARE_IRQ)
#define SERIAL_CLK   (1843200)

static struct plat_serial8250_port bast_sio_data[] = {
	[0] = {
		.mapbase	= SERIAL_BASE + 0x2f8,
		.irq		= BAST_IRQ_PCSERIAL1,
		.flags		= SERIAL_FLAGS,
		.iotype		= UPIO_MEM,
		.regshift	= 0,
		.uartclk	= SERIAL_CLK,
	},
	[1] = {
		.mapbase	= SERIAL_BASE + 0x3f8,
		.irq		= BAST_IRQ_PCSERIAL2,
		.flags		= SERIAL_FLAGS,
		.iotype		= UPIO_MEM,
		.regshift	= 0,
		.uartclk	= SERIAL_CLK,
	},
	{ }
};

static struct platform_device bast_sio = {
	.name			= "serial8250",
	.id			= PLAT8250_DEV_PLATFORM,
	.dev			= {
		.platform_data	= &bast_sio_data,
	},
};

/* we have devices on the bus which cannot work much over the
 * standard 100KHz i2c bus frequency
*/

static struct s3c2410_platform_i2c __initdata bast_i2c_info = {
	.flags		= 0,
	.slave_addr	= 0x10,
	.frequency	= 100*1000,
};

/* Asix AX88796 10/100 ethernet controller */

static struct ax_plat_data bast_asix_platdata = {
	.flags		= AXFLG_MAC_FROMDEV,
	.wordlength	= 2,
	.dcr_val	= 0x48,
	.rcr_val	= 0x40,
};

static struct resource bast_asix_resource[] = {
	[0] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_ASIXNET, 0x18 * 0x20),
	[1] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_ASIXNET + (0x1f * 0x20), 1),
	[2] = DEFINE_RES_IRQ(BAST_IRQ_ASIX),
};

static struct platform_device bast_device_asix = {
	.name		= "ax88796",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(bast_asix_resource),
	.resource	= bast_asix_resource,
	.dev		= {
		.platform_data = &bast_asix_platdata
	}
};

/* Asix AX88796 10/100 ethernet controller parallel port */

static struct resource bast_asixpp_resource[] = {
	[0] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_ASIXNET + (0x18 * 0x20), \
					0x30 * 0x20),
};

static struct platform_device bast_device_axpp = {
	.name		= "ax88796-pp",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(bast_asixpp_resource),
	.resource	= bast_asixpp_resource,
};

/* LCD/VGA controller */

static struct s3c2410fb_display __initdata bast_lcd_info[] = {
	{
		.type		= S3C2410_LCDCON1_TFT,
		.width		= 640,
		.height		= 480,

		.pixclock	= 33333,
		.xres		= 640,
		.yres		= 480,
		.bpp		= 4,
		.left_margin	= 40,
		.right_margin	= 20,
		.hsync_len	= 88,
		.upper_margin	= 30,
		.lower_margin	= 32,
		.vsync_len	= 3,

		.lcdcon5	= 0x00014b02,
	},
	{
		.type		= S3C2410_LCDCON1_TFT,
		.width		= 640,
		.height		= 480,

		.pixclock	= 33333,
		.xres		= 640,
		.yres		= 480,
		.bpp		= 8,
		.left_margin	= 40,
		.right_margin	= 20,
		.hsync_len	= 88,
		.upper_margin	= 30,
		.lower_margin	= 32,
		.vsync_len	= 3,

		.lcdcon5	= 0x00014b02,
	},
	{
		.type		= S3C2410_LCDCON1_TFT,
		.width		= 640,
		.height		= 480,

		.pixclock	= 33333,
		.xres		= 640,
		.yres		= 480,
		.bpp		= 16,
		.left_margin	= 40,
		.right_margin	= 20,
		.hsync_len	= 88,
		.upper_margin	= 30,
		.lower_margin	= 32,
		.vsync_len	= 3,

		.lcdcon5	= 0x00014b02,
	},
};

/* LCD/VGA controller */

static struct s3c2410fb_mach_info __initdata bast_fb_info = {

	.displays = bast_lcd_info,
	.num_displays = ARRAY_SIZE(bast_lcd_info),
	.default_display = 1,
};

/* I2C devices fitted. */

static struct i2c_board_info bast_i2c_devs[] __initdata = {
	{
		I2C_BOARD_INFO("tlv320aic23", 0x1a),
	}, {
		I2C_BOARD_INFO("simtec-pmu", 0x6b),
	}, {
		I2C_BOARD_INFO("ch7013", 0x75),
	},
};

static struct s3c_hwmon_pdata bast_hwmon_info = {
	/* LCD contrast (0-6.6V) */
	.in[0] = &(struct s3c_hwmon_chcfg) {
		.name		= "lcd-contrast",
		.mult		= 3300,
		.div		= 512,
	},
	/* LED current feedback */
	.in[1] = &(struct s3c_hwmon_chcfg) {
		.name		= "led-feedback",
		.mult		= 3300,
		.div		= 1024,
	},
	/* LCD feedback (0-6.6V) */
	.in[2] = &(struct s3c_hwmon_chcfg) {
		.name		= "lcd-feedback",
		.mult		= 3300,
		.div		= 512,
	},
	/* Vcore (1.8-2.0V), Vref 3.3V  */
	.in[3] = &(struct s3c_hwmon_chcfg) {
		.name		= "vcore",
		.mult		= 3300,
		.div		= 1024,
	},
};

/* Standard BAST devices */
// cat /sys/devices/platform/s3c24xx-adc/s3c-hwmon/in_0

static struct platform_device *bast_devices[] __initdata = {
	&s3c2410_device_dclk,
	&s3c_device_ohci,
	&s3c_device_lcd,
	&s3c_device_wdt,
	&s3c_device_i2c0,
 	&s3c_device_rtc,
	&s3c_device_nand,
	&s3c_device_adc,
	&s3c_device_hwmon,
	&bast_device_dm9k,
	&bast_device_asix,
	&bast_device_axpp,
	&bast_sio,
};

static struct s3c_cpufreq_board __initdata bast_cpufreq = {
	.refresh	= 7800, /* 7.8usec */
	.auto_io	= 1,
	.need_io	= 1,
};

static struct s3c24xx_audio_simtec_pdata __initdata bast_audio = {
	.have_mic	= 1,
	.have_lout	= 1,
};

static void __init bast_map_io(void)
{
	s3c_hwmon_set_platdata(&bast_hwmon_info);

	s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc));
	s3c24xx_init_uarts(bast_uartcfgs, ARRAY_SIZE(bast_uartcfgs));
	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
}

static void __init bast_init_time(void)
{
	s3c2410_init_clocks(12000000);
	samsung_timer_init();
}

static void __init bast_init(void)
{
	register_syscore_ops(&bast_pm_syscore_ops);

	s3c_i2c0_set_platdata(&bast_i2c_info);
	s3c_nand_set_platdata(&bast_nand_info);
	s3c24xx_fb_set_platdata(&bast_fb_info);
	platform_add_devices(bast_devices, ARRAY_SIZE(bast_devices));

	i2c_register_board_info(0, bast_i2c_devs,
				ARRAY_SIZE(bast_i2c_devs));

	usb_simtec_init();
	nor_simtec_init();
	simtec_audio_add(NULL, true, &bast_audio);

	WARN_ON(gpio_request(S3C2410_GPA(21), "bast nreset"));
	
	s3c_cpufreq_setboard(&bast_cpufreq);
}

MACHINE_START(BAST, "Simtec-BAST")
	/* Maintainer: Ben Dooks <ben@simtec.co.uk> */
	.atag_offset	= 0x100,
	.map_io		= bast_map_io,
	.init_irq	= s3c2410_init_irq,
	.init_machine	= bast_init,
	.init_time	= bast_init_time,
MACHINE_END
Commit	Line	Data
1da177e4 LT	1	/* linux/arch/arm/mach-s3c2410/mach-bast.c
1da177e4 LT	2	*
ccae941e	3	* Copyright 2003-2008 Simtec Electronics
1da177e4 LT	4	* Ben Dooks <ben@simtec.co.uk>
	5	*
	6	* http://www.simtec.co.uk/products/EB2410ITX/
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
1da177e4 LT	11	*/
	12
	13	#include <linux/kernel.h>
	14	#include <linux/types.h>
	15	#include <linux/interrupt.h>
	16	#include <linux/list.h>
	17	#include <linux/timer.h>
	18	#include <linux/init.h>
ec976d6e	19	#include <linux/gpio.h>
bb072c3c	20	#include <linux/syscore_ops.h>
b6d1f542	21	#include <linux/serial_core.h>
334a1c70	22	#include <linux/serial_s3c.h>
d052d1be	23	#include <linux/platform_device.h>
d97a666f	24	#include <linux/dm9000.h>
b7a12d19	25	#include <linux/ata_platform.h>
042cf0f2	26	#include <linux/i2c.h>
fced80c7	27	#include <linux/io.h>
bbd7e5e1 KK	28	#include <linux/serial_8250.h>
	29
	30	#include <linux/mtd/mtd.h>
	31	#include <linux/mtd/nand.h>
	32	#include <linux/mtd/nand_ecc.h>
	33	#include <linux/mtd/partitions.h>
	34
	35	#include <linux/platform_data/asoc-s3c24xx_simtec.h>
	36	#include <linux/platform_data/hwmon-s3c.h>
	37	#include <linux/platform_data/i2c-s3c2410.h>
	38	#include <linux/platform_data/mtd-nand-s3c2410.h>
1da177e4	39
5ce4b1fe BD	40	#include <net/ax88796.h>
5ce4b1fe BD	41
bbd7e5e1	42	#include <asm/irq.h>
1da177e4 LT	43	#include <asm/mach/arch.h>
	44	#include <asm/mach/map.h>
	45	#include <asm/mach/irq.h>
1da177e4 LT	46	#include <asm/mach-types.h>
1da177e4 LT	47
bbd7e5e1 KK	48	#include <mach/fb.h>
bbd7e5e1 KK	49	#include <mach/hardware.h>
a09e64fb	50	#include <mach/regs-gpio.h>
a09e64fb	51	#include <mach/regs-lcd.h>
b0161caa	52	#include <mach/gpio-samsung.h>
65cc3370	53
a2b7ba9c	54	#include <plat/cpu.h>
ca0b4901	55	#include <plat/cpu-freq.h>
bbd7e5e1	56	#include <plat/devs.h>
40b956f0	57	#include <plat/gpio-cfg.h>
7f78b6eb	58	#include <plat/samsung-time.h>
9d529c6e	59
bbd7e5e1	60	#include "bast.h"
b27b0727	61	#include "common.h"
bbd7e5e1	62	#include "simtec.h"
1da177e4	63
ccae941e	64	#define COPYRIGHT ", Copyright 2004-2008 Simtec Electronics"
1da177e4 LT	65
	66	/* macros for virtual address mods for the io space entries */
	67	#define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
	68	#define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4)
	69	#define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3)
	70	#define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2)
	71
	72	/* macros to modify the physical addresses for io space */
	73
1d23b65d BD	74	#define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2))
	75	#define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3))
	76	#define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4))
	77	#define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5))
1da177e4 LT	78
	79	static struct map_desc bast_iodesc[] __initdata = {
	80	/* ISA IO areas */
1d23b65d BD	81	{
	82	.virtual = (u32)S3C24XX_VA_ISA_BYTE,
	83	.pfn = PA_CS2(BAST_PA_ISAIO),
	84	.length = SZ_16M,
	85	.type = MT_DEVICE,
	86	}, {
	87	.virtual = (u32)S3C24XX_VA_ISA_WORD,
	88	.pfn = PA_CS3(BAST_PA_ISAIO),
	89	.length = SZ_16M,
	90	.type = MT_DEVICE,
	91	},
1da177e4	92	/* bast CPLD control registers, and external interrupt controls */
1d23b65d BD	93	{
	94	.virtual = (u32)BAST_VA_CTRL1,
	95	.pfn = __phys_to_pfn(BAST_PA_CTRL1),
	96	.length = SZ_1M,
	97	.type = MT_DEVICE,
	98	}, {
	99	.virtual = (u32)BAST_VA_CTRL2,
	100	.pfn = __phys_to_pfn(BAST_PA_CTRL2),
	101	.length = SZ_1M,
	102	.type = MT_DEVICE,
	103	}, {
	104	.virtual = (u32)BAST_VA_CTRL3,
	105	.pfn = __phys_to_pfn(BAST_PA_CTRL3),
	106	.length = SZ_1M,
	107	.type = MT_DEVICE,
	108	}, {
	109	.virtual = (u32)BAST_VA_CTRL4,
	110	.pfn = __phys_to_pfn(BAST_PA_CTRL4),
	111	.length = SZ_1M,
	112	.type = MT_DEVICE,
	113	},
1da177e4	114	/* PC104 IRQ mux */
1d23b65d BD	115	{
	116	.virtual = (u32)BAST_VA_PC104_IRQREQ,
	117	.pfn = __phys_to_pfn(BAST_PA_PC104_IRQREQ),
	118	.length = SZ_1M,
	119	.type = MT_DEVICE,
	120	}, {
	121	.virtual = (u32)BAST_VA_PC104_IRQRAW,
	122	.pfn = __phys_to_pfn(BAST_PA_PC104_IRQRAW),
	123	.length = SZ_1M,
	124	.type = MT_DEVICE,
	125	}, {
	126	.virtual = (u32)BAST_VA_PC104_IRQMASK,
	127	.pfn = __phys_to_pfn(BAST_PA_PC104_IRQMASK),
	128	.length = SZ_1M,
	129	.type = MT_DEVICE,
	130	},
1da177e4 LT	131
	132	/* peripheral space... one for each of fast/slow/byte/16bit */
	133	/* note, ide is only decoded in word space, even though some registers
	134	* are only 8bit */
	135
	136	/* slow, byte */
	137	{ VA_C2(BAST_VA_ISAIO), PA_CS2(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
	138	{ VA_C2(BAST_VA_ISAMEM), PA_CS2(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
1da177e4	139	{ VA_C2(BAST_VA_SUPERIO), PA_CS2(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
1da177e4 LT	140
	141	/* slow, word */
	142	{ VA_C3(BAST_VA_ISAIO), PA_CS3(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
	143	{ VA_C3(BAST_VA_ISAMEM), PA_CS3(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
1da177e4	144	{ VA_C3(BAST_VA_SUPERIO), PA_CS3(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
1da177e4 LT	145
	146	/* fast, byte */
	147	{ VA_C4(BAST_VA_ISAIO), PA_CS4(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
	148	{ VA_C4(BAST_VA_ISAMEM), PA_CS4(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
1da177e4	149	{ VA_C4(BAST_VA_SUPERIO), PA_CS4(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
1da177e4 LT	150
	151	/* fast, word */
	152	{ VA_C5(BAST_VA_ISAIO), PA_CS5(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
	153	{ VA_C5(BAST_VA_ISAMEM), PA_CS5(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
1da177e4	154	{ VA_C5(BAST_VA_SUPERIO), PA_CS5(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
1da177e4 LT	155	};
	156
	157	#define UCON S3C2410_UCON_DEFAULT \| S3C2410_UCON_UCLK
	158	#define ULCON S3C2410_LCON_CS8 \| S3C2410_LCON_PNONE \| S3C2410_LCON_STOPB
	159	#define UFCON S3C2410_UFCON_RXTRIG8 \| S3C2410_UFCON_FIFOMODE
	160
66a9b49a	161	static struct s3c2410_uartcfg bast_uartcfgs[] __initdata = {
1da177e4 LT	162	[0] = {
	163	.hwport = 0,
	164	.flags = 0,
	165	.ucon = UCON,
	166	.ulcon = ULCON,
	167	.ufcon = UFCON,
1da177e4 LT	168	},
	169	[1] = {
	170	.hwport = 1,
	171	.flags = 0,
	172	.ucon = UCON,
	173	.ulcon = ULCON,
	174	.ufcon = UFCON,
1da177e4 LT	175	},
	176	/* port 2 is not actually used */
	177	[2] = {
	178	.hwport = 2,
	179	.flags = 0,
	180	.ucon = UCON,
	181	.ulcon = ULCON,
	182	.ufcon = UFCON,
1da177e4 LT	183	}
	184	};
	185
1da177e4 LT	186	/* NAND Flash on BAST board */
1da177e4 LT	187
6ddc4b07	188	#ifdef CONFIG_PM
bb072c3c	189	static int bast_pm_suspend(void)
6ddc4b07 BD	190	{
6ddc4b07 BD	191	/* ensure that an nRESET is not generated on resume. */
408c8b8c	192	gpio_direction_output(S3C2410_GPA(21), 1);
6ddc4b07 BD	193	return 0;
	194	}
	195
bb072c3c	196	static void bast_pm_resume(void)
6ddc4b07	197	{
40b956f0	198	s3c_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT);
6ddc4b07 BD	199	}
	200
	201	#else
	202	#define bast_pm_suspend NULL
	203	#define bast_pm_resume NULL
	204	#endif
	205
bb072c3c	206	static struct syscore_ops bast_pm_syscore_ops = {
6ddc4b07 BD	207	.suspend = bast_pm_suspend,
	208	.resume = bast_pm_resume,
	209	};
	210
1da177e4 LT	211	static int smartmedia_map[] = { 0 };
	212	static int chip0_map[] = { 1 };
	213	static int chip1_map[] = { 2 };
	214	static int chip2_map[] = { 3 };
	215
2a3a1804	216	static struct mtd_partition __initdata bast_default_nand_part[] = {
1da177e4 LT	217	[0] = {
	218	.name = "Boot Agent",
	219	.size = SZ_16K,
b526bf23	220	.offset = 0,
1da177e4 LT	221	},
	222	[1] = {
	223	.name = "/boot",
	224	.size = SZ_4M - SZ_16K,
	225	.offset = SZ_16K,
	226	},
	227	[2] = {
	228	.name = "user",
	229	.offset = SZ_4M,
	230	.size = MTDPART_SIZ_FULL,
	231	}
	232	};
	233
	234	/* the bast has 4 selectable slots for nand-flash, the three
	235	* on-board chip areas, as well as the external SmartMedia
	236	* slot.
	237	*
	238	* Note, there is no current hot-plug support for the SmartMedia
	239	* socket.
	240	*/
	241
2a3a1804	242	static struct s3c2410_nand_set __initdata bast_nand_sets[] = {
1da177e4 LT	243	[0] = {
	244	.name = "SmartMedia",
	245	.nr_chips = 1,
	246	.nr_map = smartmedia_map,
d3ef7ee4	247	.options = NAND_SCAN_SILENT_NODEV,
1da177e4	248	.nr_partitions = ARRAY_SIZE(bast_default_nand_part),
b526bf23	249	.partitions = bast_default_nand_part,
1da177e4 LT	250	},
	251	[1] = {
	252	.name = "chip0",
	253	.nr_chips = 1,
	254	.nr_map = chip0_map,
	255	.nr_partitions = ARRAY_SIZE(bast_default_nand_part),
b526bf23	256	.partitions = bast_default_nand_part,
1da177e4 LT	257	},
	258	[2] = {
	259	.name = "chip1",
	260	.nr_chips = 1,
	261	.nr_map = chip1_map,
d3ef7ee4	262	.options = NAND_SCAN_SILENT_NODEV,
1da177e4	263	.nr_partitions = ARRAY_SIZE(bast_default_nand_part),
b526bf23	264	.partitions = bast_default_nand_part,
1da177e4 LT	265	},
	266	[3] = {
	267	.name = "chip2",
	268	.nr_chips = 1,
	269	.nr_map = chip2_map,
d3ef7ee4	270	.options = NAND_SCAN_SILENT_NODEV,
1da177e4	271	.nr_partitions = ARRAY_SIZE(bast_default_nand_part),
b526bf23	272	.partitions = bast_default_nand_part,
1da177e4 LT	273	}
	274	};
	275
	276	static void bast_nand_select(struct s3c2410_nand_set *set, int slot)
	277	{
	278	unsigned int tmp;
	279
	280	slot = set->nr_map[slot] & 3;
	281
	282	pr_debug("bast_nand: selecting slot %d (set %p,%p)\n",
	283	slot, set, set->nr_map);
	284
	285	tmp = __raw_readb(BAST_VA_CTRL2);
	286	tmp &= BAST_CPLD_CTLR2_IDERST;
	287	tmp \|= slot;
	288	tmp \|= BAST_CPLD_CTRL2_WNAND;
	289
	290	pr_debug("bast_nand: ctrl2 now %02x\n", tmp);
	291
	292	__raw_writeb(tmp, BAST_VA_CTRL2);
	293	}
	294
2a3a1804	295	static struct s3c2410_platform_nand __initdata bast_nand_info = {
b048dbf4 BD	296	.tacls = 30,
	297	.twrph0 = 60,
	298	.twrph1 = 60,
1da177e4 LT	299	.nr_sets = ARRAY_SIZE(bast_nand_sets),
	300	.sets = bast_nand_sets,
	301	.select_chip = bast_nand_select,
	302	};
	303
d97a666f BD	304	/* DM9000 */
	305
	306	static struct resource bast_dm9k_resource[] = {
52df44d1 TB	307	[0] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_DM9000, 4),
52df44d1 TB	308	[1] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_DM9000 + 0x40, 0x40),
bbd7e5e1	309	[2] = DEFINE_RES_NAMED(BAST_IRQ_DM9000 , 1, NULL, IORESOURCE_IRQ \
52df44d1	310	\| IORESOURCE_IRQ_HIGHLEVEL),
d97a666f BD	311	};
	312
	313	/* for the moment we limit ourselves to 16bit IO until some
	314	* better IO routines can be written and tested
	315	*/
	316
9f693d7b	317	static struct dm9000_plat_data bast_dm9k_platdata = {
b526bf23	318	.flags = DM9000_PLATF_16BITONLY,
d97a666f BD	319	};
	320
	321	static struct platform_device bast_device_dm9k = {
	322	.name = "dm9000",
	323	.id = 0,
	324	.num_resources = ARRAY_SIZE(bast_dm9k_resource),
	325	.resource = bast_dm9k_resource,
	326	.dev = {
	327	.platform_data = &bast_dm9k_platdata,
	328	}
	329	};
	330
65cc3370 BD	331	/* serial devices */
	332
	333	#define SERIAL_BASE (S3C2410_CS2 + BAST_PA_SUPERIO)
	334	#define SERIAL_FLAGS (UPF_BOOT_AUTOCONF \| UPF_IOREMAP \| UPF_SHARE_IRQ)
	335	#define SERIAL_CLK (1843200)
	336
	337	static struct plat_serial8250_port bast_sio_data[] = {
	338	[0] = {
	339	.mapbase = SERIAL_BASE + 0x2f8,
bbd7e5e1	340	.irq = BAST_IRQ_PCSERIAL1,
65cc3370 BD	341	.flags = SERIAL_FLAGS,
	342	.iotype = UPIO_MEM,
	343	.regshift = 0,
	344	.uartclk = SERIAL_CLK,
	345	},
	346	[1] = {
	347	.mapbase = SERIAL_BASE + 0x3f8,
bbd7e5e1	348	.irq = BAST_IRQ_PCSERIAL2,
65cc3370 BD	349	.flags = SERIAL_FLAGS,
	350	.iotype = UPIO_MEM,
	351	.regshift = 0,
	352	.uartclk = SERIAL_CLK,
	353	},
	354	{ }
	355	};
	356
	357	static struct platform_device bast_sio = {
	358	.name = "serial8250",
6df29deb	359	.id = PLAT8250_DEV_PLATFORM,
65cc3370 BD	360	.dev = {
	361	.platform_data = &bast_sio_data,
	362	},
	363	};
1da177e4	364
1fcf8448 BD	365	/* we have devices on the bus which cannot work much over the
	366	* standard 100KHz i2c bus frequency
	367	*/
	368
3e1b776c	369	static struct s3c2410_platform_i2c __initdata bast_i2c_info = {
1fcf8448 BD	370	.flags = 0,
1fcf8448 BD	371	.slave_addr = 0x10,
c564e6ae	372	.frequency = 100*1000,
1fcf8448 BD	373	};
1fcf8448 BD	374
5ce4b1fe BD	375	/* Asix AX88796 10/100 ethernet controller */
	376
	377	static struct ax_plat_data bast_asix_platdata = {
	378	.flags = AXFLG_MAC_FROMDEV,
	379	.wordlength = 2,
	380	.dcr_val = 0x48,
	381	.rcr_val = 0x40,
	382	};
	383
	384	static struct resource bast_asix_resource[] = {
52df44d1 TB	385	[0] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_ASIXNET, 0x18 * 0x20),
52df44d1 TB	386	[1] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_ASIXNET + (0x1f * 0x20), 1),
bbd7e5e1	387	[2] = DEFINE_RES_IRQ(BAST_IRQ_ASIX),
5ce4b1fe BD	388	};
	389
	390	static struct platform_device bast_device_asix = {
	391	.name = "ax88796",
	392	.id = 0,
	393	.num_resources = ARRAY_SIZE(bast_asix_resource),
	394	.resource = bast_asix_resource,
	395	.dev = {
	396	.platform_data = &bast_asix_platdata
	397	}
	398	};
	399
	400	/* Asix AX88796 10/100 ethernet controller parallel port */
	401
	402	static struct resource bast_asixpp_resource[] = {
52df44d1 TB	403	[0] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_ASIXNET + (0x18 * 0x20), \
52df44d1 TB	404	0x30 * 0x20),
5ce4b1fe BD	405	};
	406
	407	static struct platform_device bast_device_axpp = {
	408	.name = "ax88796-pp",
	409	.id = 0,
	410	.num_resources = ARRAY_SIZE(bast_asixpp_resource),
	411	.resource = bast_asixpp_resource,
	412	};
	413
	414	/* LCD/VGA controller */
58c8d570	415
09fe75f6 KH	416	static struct s3c2410fb_display __initdata bast_lcd_info[] = {
09fe75f6 KH	417	{
1f411537	418	.type = S3C2410_LCDCON1_TFT,
09fe75f6 KH	419	.width = 640,
09fe75f6 KH	420	.height = 480,
5f20f69b	421
69816699	422	.pixclock = 33333,
09fe75f6 KH	423	.xres = 640,
	424	.yres = 480,
	425	.bpp = 4,
1f411537 KH	426	.left_margin = 40,
1f411537 KH	427	.right_margin = 20,
93d11f5a	428	.hsync_len = 88,
5f20f69b KH	429	.upper_margin = 30,
5f20f69b KH	430	.lower_margin = 32,
93d11f5a	431	.vsync_len = 3,
09fe75f6	432
f28ef573	433	.lcdcon5 = 0x00014b02,
58c8d570	434	},
09fe75f6	435	{
1f411537	436	.type = S3C2410_LCDCON1_TFT,
09fe75f6 KH	437	.width = 640,
	438	.height = 480,
	439
69816699	440	.pixclock = 33333,
09fe75f6 KH	441	.xres = 640,
	442	.yres = 480,
	443	.bpp = 8,
1f411537 KH	444	.left_margin = 40,
1f411537 KH	445	.right_margin = 20,
93d11f5a	446	.hsync_len = 88,
5f20f69b KH	447	.upper_margin = 30,
5f20f69b KH	448	.lower_margin = 32,
93d11f5a	449	.vsync_len = 3,
09fe75f6	450
f28ef573	451	.lcdcon5 = 0x00014b02,
09fe75f6 KH	452	},
09fe75f6 KH	453	{
1f411537	454	.type = S3C2410_LCDCON1_TFT,
09fe75f6 KH	455	.width = 640,
	456	.height = 480,
	457
69816699	458	.pixclock = 33333,
09fe75f6 KH	459	.xres = 640,
	460	.yres = 480,
	461	.bpp = 16,
1f411537 KH	462	.left_margin = 40,
1f411537 KH	463	.right_margin = 20,
93d11f5a	464	.hsync_len = 88,
5f20f69b KH	465	.upper_margin = 30,
5f20f69b KH	466	.lower_margin = 32,
93d11f5a	467	.vsync_len = 3,
09fe75f6	468
f28ef573	469	.lcdcon5 = 0x00014b02,
09fe75f6 KH	470	},
09fe75f6 KH	471	};
58c8d570	472
09fe75f6 KH	473	/* LCD/VGA controller */
	474
	475	static struct s3c2410fb_mach_info __initdata bast_fb_info = {
	476
	477	.displays = bast_lcd_info,
	478	.num_displays = ARRAY_SIZE(bast_lcd_info),
9cbae12c	479	.default_display = 1,
58c8d570 BD	480	};
58c8d570 BD	481
042cf0f2 BD	482	/* I2C devices fitted. */
	483
	484	static struct i2c_board_info bast_i2c_devs[] __initdata = {
	485	{
	486	I2C_BOARD_INFO("tlv320aic23", 0x1a),
	487	}, {
	488	I2C_BOARD_INFO("simtec-pmu", 0x6b),
	489	}, {
	490	I2C_BOARD_INFO("ch7013", 0x75),
	491	},
	492	};
b7a12d19	493
885f9ebe BD	494	static struct s3c_hwmon_pdata bast_hwmon_info = {
	495	/* LCD contrast (0-6.6V) */
	496	.in[0] = &(struct s3c_hwmon_chcfg) {
	497	.name = "lcd-contrast",
	498	.mult = 3300,
	499	.div = 512,
	500	},
	501	/* LED current feedback */
	502	.in[1] = &(struct s3c_hwmon_chcfg) {
	503	.name = "led-feedback",
	504	.mult = 3300,
	505	.div = 1024,
	506	},
	507	/* LCD feedback (0-6.6V) */
	508	.in[2] = &(struct s3c_hwmon_chcfg) {
	509	.name = "lcd-feedback",
	510	.mult = 3300,
	511	.div = 512,
	512	},
	513	/* Vcore (1.8-2.0V), Vref 3.3V */
	514	.in[3] = &(struct s3c_hwmon_chcfg) {
	515	.name = "vcore",
	516	.mult = 3300,
	517	.div = 1024,
	518	},
	519	};
	520
1da177e4	521	/* Standard BAST devices */
885f9ebe	522	// cat /sys/devices/platform/s3c24xx-adc/s3c-hwmon/in_0
1da177e4 LT	523
1da177e4 LT	524	static struct platform_device *bast_devices[] __initdata = {
51cb1289	525	&s3c2410_device_dclk,
b813248c	526	&s3c_device_ohci,
1da177e4 LT	527	&s3c_device_lcd,
1da177e4 LT	528	&s3c_device_wdt,
3e1b776c	529	&s3c_device_i2c0,
1da177e4 LT	530	&s3c_device_rtc,
1da177e4 LT	531	&s3c_device_nand,
885f9ebe BD	532	&s3c_device_adc,
885f9ebe BD	533	&s3c_device_hwmon,
d97a666f	534	&bast_device_dm9k,
5ce4b1fe BD	535	&bast_device_asix,
5ce4b1fe BD	536	&bast_device_axpp,
65cc3370	537	&bast_sio,
1da177e4 LT	538	};
1da177e4 LT	539
ca0b4901 BD	540	static struct s3c_cpufreq_board __initdata bast_cpufreq = {
	541	.refresh = 7800, /* 7.8usec */
	542	.auto_io = 1,
	543	.need_io = 1,
	544	};
	545
4d3a3469 BD	546	static struct s3c24xx_audio_simtec_pdata __initdata bast_audio = {
	547	.have_mic = 1,
	548	.have_lout = 1,
	549	};
	550
5fe10ab1	551	static void __init bast_map_io(void)
1da177e4	552	{
6cd82ffe	553	s3c_hwmon_set_platdata(&bast_hwmon_info);
3e1b776c	554
1da177e4	555	s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc));
1da177e4	556	s3c24xx_init_uarts(bast_uartcfgs, ARRAY_SIZE(bast_uartcfgs));
7f78b6eb	557	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
1da177e4 LT	558	}
1da177e4 LT	559
07ee5e7c HS	560	static void __init bast_init_time(void)
	561	{
	562	s3c2410_init_clocks(12000000);
	563	samsung_timer_init();
	564	}
	565
58c8d570 BD	566	static void __init bast_init(void)
58c8d570 BD	567	{
bb072c3c	568	register_syscore_ops(&bast_pm_syscore_ops);
6ddc4b07	569
a8af6de0	570	s3c_i2c0_set_platdata(&bast_i2c_info);
2a3a1804	571	s3c_nand_set_platdata(&bast_nand_info);
09fe75f6	572	s3c24xx_fb_set_platdata(&bast_fb_info);
57e5171c	573	platform_add_devices(bast_devices, ARRAY_SIZE(bast_devices));
9d529c6e	574
042cf0f2 BD	575	i2c_register_board_info(0, bast_i2c_devs,
	576	ARRAY_SIZE(bast_i2c_devs));
	577
7a05a2cb	578	usb_simtec_init();
9d529c6e	579	nor_simtec_init();
4d3a3469	580	simtec_audio_add(NULL, true, &bast_audio);
ca0b4901	581
408c8b8c BD	582	WARN_ON(gpio_request(S3C2410_GPA(21), "bast nreset"));
408c8b8c BD	583
ca0b4901	584	s3c_cpufreq_setboard(&bast_cpufreq);
58c8d570	585	}
1da177e4 LT	586
1da177e4 LT	587	MACHINE_START(BAST, "Simtec-BAST")
e9dea0c6	588	/* Maintainer: Ben Dooks <ben@simtec.co.uk> */
69d50710	589	.atag_offset = 0x100,
f705b1ae	590	.map_io = bast_map_io,
f182aa1d	591	.init_irq = s3c2410_init_irq,
58c8d570	592	.init_machine = bast_init,
07ee5e7c	593	.init_time = bast_init_time,
1da177e4	594	MACHINE_END