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kernel-fxtec-pro1x/arch/arm/mach-s3c2410/mach-qt2410.c
Ben Dooks 2d2e0c8998 ARM: QT2410: Update mach-qt2410 to use gpiolib API 
Change mach-qt2410.c to use gpiolib for the GPIO lines that are directly
manipulated by it.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-05-06 09:32:23 +09:00

373 lines
8.1 KiB
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/* linux/arch/arm/mach-s3c2410/mach-qt2410.c
*
* Copyright (C) 2006 by OpenMoko, Inc.
* Author: Harald Welte <laforge@openmoko.org>
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#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/sysdev.h>
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_bitbang.h>
#include <linux/io.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/partitions.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <mach/regs-gpio.h>
#include <mach/leds-gpio.h>
#include <plat/regs-serial.h>
#include <mach/fb.h>
#include <plat/nand.h>
#include <plat/udc.h>
#include <mach/spi.h>
#include <mach/spi-gpio.h>
#include <plat/iic.h>
#include <plat/common-smdk.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/pm.h>
static struct map_desc qt2410_iodesc[] __initdata = {
{ 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
};
#define UCON S3C2410_UCON_DEFAULT
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
static struct s3c2410_uartcfg smdk2410_uartcfgs[] = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[2] = {
.hwport = 2,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
}
};
/* LCD driver info */
static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
{
/* Configuration for 640x480 SHARP LQ080V3DG01 */
.lcdcon5 = S3C2410_LCDCON5_FRM565 |
S3C2410_LCDCON5_INVVLINE |
S3C2410_LCDCON5_INVVFRAME |
S3C2410_LCDCON5_PWREN |
S3C2410_LCDCON5_HWSWP,
.type = S3C2410_LCDCON1_TFT,
.width = 640,
.height = 480,
.pixclock = 40000, /* HCLK/4 */
.xres = 640,
.yres = 480,
.bpp = 16,
.left_margin = 44,
.right_margin = 116,
.hsync_len = 96,
.upper_margin = 19,
.lower_margin = 11,
.vsync_len = 15,
},
{
/* Configuration for 480x640 toppoly TD028TTEC1 */
.lcdcon5 = S3C2410_LCDCON5_FRM565 |
S3C2410_LCDCON5_INVVLINE |
S3C2410_LCDCON5_INVVFRAME |
S3C2410_LCDCON5_PWREN |
S3C2410_LCDCON5_HWSWP,
.type = S3C2410_LCDCON1_TFT,
.width = 480,
.height = 640,
.pixclock = 40000, /* HCLK/4 */
.xres = 480,
.yres = 640,
.bpp = 16,
.left_margin = 8,
.right_margin = 24,
.hsync_len = 8,
.upper_margin = 2,
.lower_margin = 4,
.vsync_len = 2,
},
{
/* Config for 240x320 LCD */
.lcdcon5 = S3C2410_LCDCON5_FRM565 |
S3C2410_LCDCON5_INVVLINE |
S3C2410_LCDCON5_INVVFRAME |
S3C2410_LCDCON5_PWREN |
S3C2410_LCDCON5_HWSWP,
.type = S3C2410_LCDCON1_TFT,
.width = 240,
.height = 320,
.pixclock = 100000, /* HCLK/10 */
.xres = 240,
.yres = 320,
.bpp = 16,
.left_margin = 13,
.right_margin = 8,
.hsync_len = 4,
.upper_margin = 2,
.lower_margin = 7,
.vsync_len = 4,
},
};
static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
.displays = qt2410_lcd_cfg,
.num_displays = ARRAY_SIZE(qt2410_lcd_cfg),
.default_display = 0,
.lpcsel = ((0xCE6) & ~7) | 1<<4,
};
/* CS8900 */
static struct resource qt2410_cs89x0_resources[] = {
[0] = {
.start = 0x19000000,
.end = 0x19000000 + 16,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_EINT9,
.end = IRQ_EINT9,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device qt2410_cs89x0 = {
.name = "cirrus-cs89x0",
.num_resources = ARRAY_SIZE(qt2410_cs89x0_resources),
.resource = qt2410_cs89x0_resources,
};
/* LED */
static struct s3c24xx_led_platdata qt2410_pdata_led = {
.gpio = S3C2410_GPB(0),
.flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
.name = "led",
.def_trigger = "timer",
};
static struct platform_device qt2410_led = {
.name = "s3c24xx_led",
.id = 0,
.dev = {
.platform_data = &qt2410_pdata_led,
},
};
/* SPI */
static void spi_gpio_cs(struct s3c2410_spigpio_info *spi, int cs)
{
switch (cs) {
case BITBANG_CS_ACTIVE:
gpio_set_value(S3C2410_GPB(5), 0);
break;
case BITBANG_CS_INACTIVE:
gpio_set_value(S3C2410_GPB(5), 1);
break;
}
}
static struct s3c2410_spigpio_info spi_gpio_cfg = {
.pin_clk = S3C2410_GPG(7),
.pin_mosi = S3C2410_GPG(6),
.pin_miso = S3C2410_GPG(5),
.chip_select = &spi_gpio_cs,
};
static struct platform_device qt2410_spi = {
.name = "s3c24xx-spi-gpio",
.id = 1,
.dev = {
.platform_data = &spi_gpio_cfg,
},
};
/* Board devices */
static struct platform_device *qt2410_devices[] __initdata = {
&s3c_device_ohci,
&s3c_device_lcd,
&s3c_device_wdt,
&s3c_device_i2c0,
&s3c_device_iis,
&s3c_device_sdi,
&s3c_device_usbgadget,
&qt2410_spi,
&qt2410_cs89x0,
&qt2410_led,
};
static struct mtd_partition __initdata qt2410_nand_part[] = {
[0] = {
.name = "U-Boot",
.size = 0x30000,
.offset = 0,
},
[1] = {
.name = "U-Boot environment",
.offset = 0x30000,
.size = 0x4000,
},
[2] = {
.name = "kernel",
.offset = 0x34000,
.size = SZ_2M,
},
[3] = {
.name = "initrd",
.offset = 0x234000,
.size = SZ_4M,
},
[4] = {
.name = "jffs2",
.offset = 0x634000,
.size = 0x39cc000,
},
};
static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = {
[0] = {
.name = "NAND",
.nr_chips = 1,
.nr_partitions = ARRAY_SIZE(qt2410_nand_part),
.partitions = qt2410_nand_part,
},
};
/* choose a set of timings which should suit most 512Mbit
* chips and beyond.
*/
static struct s3c2410_platform_nand __initdata qt2410_nand_info = {
.tacls = 20,
.twrph0 = 60,
.twrph1 = 20,
.nr_sets = ARRAY_SIZE(qt2410_nand_sets),
.sets = qt2410_nand_sets,
};
/* UDC */
static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
};
static char tft_type = 's';
static int __init qt2410_tft_setup(char *str)
{
tft_type = str[0];
return 1;
}
__setup("tft=", qt2410_tft_setup);
static void __init qt2410_map_io(void)
{
s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
s3c24xx_init_clocks(12*1000*1000);
s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
}
static void __init qt2410_machine_init(void)
{
s3c_nand_set_platdata(&qt2410_nand_info);
switch (tft_type) {
case 'p': /* production */
qt2410_fb_info.default_display = 1;
break;
case 'b': /* big */
qt2410_fb_info.default_display = 0;
break;
case 's': /* small */
default:
qt2410_fb_info.default_display = 2;
break;
}
s3c24xx_fb_set_platdata(&qt2410_fb_info);
s3c2410_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPIO_OUTPUT);
s3c2410_gpio_setpin(S3C2410_GPB(0), 1);
s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
s3c_i2c0_set_platdata(NULL);
WARN_ON(gpio_request(S3C2410_GPB(5), "spi cs"));
gpio_direction_output(S3C2410_GPB(5), 1);
platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
s3c_pm_init();
}
MACHINE_START(QT2410, "QT2410")
.phys_io = S3C2410_PA_UART,
.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
.boot_params = S3C2410_SDRAM_PA + 0x100,
.map_io = qt2410_map_io,
.init_irq = s3c24xx_init_irq,
.init_machine = qt2410_machine_init,
.timer = &s3c24xx_timer,
MACHINE_END
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