Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-16 00:52:01 +00:00
Code Issues Packages Projects Releases Wiki Activity
3b0eb4a195
linux/arch/arm/mach-s3c2410/mach-qt2410.c
Ben Dooks c6184e271d [ARM] 4214/2: S3C2410: Add Armzone QT2410 
Patch from: Harald Welte <laforge@openmoko.org>

Add support for the Armzone QT2410 system, with
basic peripheral support for TFT display, SPI
and LEDs.

Signed-off-by: Harald Welte <laforge@openmoko.org>
Signed-off-by: Ben Dooks <ben-linux@fluf.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-02-17 11:17:42 +00:00

449 lines
9.4 KiB
C
Raw Blame History

/* 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/platform_device.h>
#include <linux/serial_core.h>
#include <linux/mmc/protocol.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_bitbang.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 <asm/hardware.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/arch/regs-gpio.h>
#include <asm/arch/leds-gpio.h>
#include <asm/arch/regs-serial.h>
#include <asm/arch/fb.h>
#include <asm/arch/nand.h>
#include <asm/arch/udc.h>
#include <asm/arch/spi.h>
#include <asm/arch/spi-gpio.h>
#include <asm/plat-s3c24xx/common-smdk.h>
#include <asm/plat-s3c24xx/devs.h>
#include <asm/plat-s3c24xx/cpu.h>
#include <asm/plat-s3c24xx/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 */
/* Configuration for 640x480 SHARP LQ080V3DG01 */
static struct s3c2410fb_mach_info qt2410_biglcd_cfg __initdata = {
.regs = {
.lcdcon1 = S3C2410_LCDCON1_TFT16BPP |
S3C2410_LCDCON1_TFT |
S3C2410_LCDCON1_CLKVAL(0x01), /* HCLK/4 */
.lcdcon2 = S3C2410_LCDCON2_VBPD(18) | /* 19 */
S3C2410_LCDCON2_LINEVAL(479) |
S3C2410_LCDCON2_VFPD(10) | /* 11 */
S3C2410_LCDCON2_VSPW(14), /* 15 */
.lcdcon3 = S3C2410_LCDCON3_HBPD(43) | /* 44 */
S3C2410_LCDCON3_HOZVAL(639) | /* 640 */
S3C2410_LCDCON3_HFPD(115), /* 116 */
.lcdcon4 = S3C2410_LCDCON4_MVAL(0) |
S3C2410_LCDCON4_HSPW(95), /* 96 */
.lcdcon5 = S3C2410_LCDCON5_FRM565 |
S3C2410_LCDCON5_INVVLINE |
S3C2410_LCDCON5_INVVFRAME |
S3C2410_LCDCON5_PWREN |
S3C2410_LCDCON5_HWSWP,
},
.lpcsel = ((0xCE6) & ~7) | 1<<4,
.width = 640,
.height = 480,
.xres = {
.min = 640,
.max = 640,
.defval = 640,
},
.yres = {
.min = 480,
.max = 480,
.defval = 480,
},
.bpp = {
.min = 16,
.max = 16,
.defval = 16,
},
};
/* Configuration for 480x640 toppoly TD028TTEC1 */
static struct s3c2410fb_mach_info qt2410_prodlcd_cfg __initdata = {
.regs = {
.lcdcon1 = S3C2410_LCDCON1_TFT16BPP |
S3C2410_LCDCON1_TFT |
S3C2410_LCDCON1_CLKVAL(0x01), /* HCLK/4 */
.lcdcon2 = S3C2410_LCDCON2_VBPD(1) | /* 2 */
S3C2410_LCDCON2_LINEVAL(639) |/* 640 */
S3C2410_LCDCON2_VFPD(3) | /* 4 */
S3C2410_LCDCON2_VSPW(1), /* 2 */
.lcdcon3 = S3C2410_LCDCON3_HBPD(7) | /* 8 */
S3C2410_LCDCON3_HOZVAL(479) | /* 479 */
S3C2410_LCDCON3_HFPD(23), /* 24 */
.lcdcon4 = S3C2410_LCDCON4_MVAL(0) |
S3C2410_LCDCON4_HSPW(7), /* 8 */
.lcdcon5 = S3C2410_LCDCON5_FRM565 |
S3C2410_LCDCON5_INVVLINE |
S3C2410_LCDCON5_INVVFRAME |
S3C2410_LCDCON5_PWREN |
S3C2410_LCDCON5_HWSWP,
},
.lpcsel = ((0xCE6) & ~7) | 1<<4,
.width = 480,
.height = 640,
.xres = {
.min = 480,
.max = 480,
.defval = 480,
},
.yres = {
.min = 640,
.max = 640,
.defval = 640,
},
.bpp = {
.min = 16,
.max = 16,
.defval = 16,
},
};
/* Config for 240x320 LCD */
static struct s3c2410fb_mach_info qt2410_lcd_cfg __initdata = {
.regs = {
.lcdcon1 = S3C2410_LCDCON1_TFT16BPP |
S3C2410_LCDCON1_TFT |
S3C2410_LCDCON1_CLKVAL(0x04),
.lcdcon2 = S3C2410_LCDCON2_VBPD(1) |
S3C2410_LCDCON2_LINEVAL(319) |
S3C2410_LCDCON2_VFPD(6) |
S3C2410_LCDCON2_VSPW(3),
.lcdcon3 = S3C2410_LCDCON3_HBPD(12) |
S3C2410_LCDCON3_HOZVAL(239) |
S3C2410_LCDCON3_HFPD(7),
.lcdcon4 = S3C2410_LCDCON4_MVAL(0) |
S3C2410_LCDCON4_HSPW(3),
.lcdcon5 = S3C2410_LCDCON5_FRM565 |
S3C2410_LCDCON5_INVVLINE |
S3C2410_LCDCON5_INVVFRAME |
S3C2410_LCDCON5_PWREN |
S3C2410_LCDCON5_HWSWP,
},
.lpcsel = ((0xCE6) & ~7) | 1<<4,
.width = 240,
.height = 320,
.xres = {
.min = 240,
.max = 240,
.defval = 240,
},
.yres = {
.min = 320,
.max = 320,
.defval = 320,
},
.bpp = {
.min = 16,
.max = 16,
.defval = 16,
},
};
/* 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_GPB0,
.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:
s3c2410_gpio_setpin(S3C2410_GPB5, 0);
break;
case BITBANG_CS_INACTIVE:
s3c2410_gpio_setpin(S3C2410_GPB5, 1);
break;
}
}
static struct s3c2410_spigpio_info spi_gpio_cfg = {
.pin_clk = S3C2410_GPG7,
.pin_mosi = S3C2410_GPG6,
.pin_miso = S3C2410_GPG5,
.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_usb,
&s3c_device_lcd,
&s3c_device_wdt,
&s3c_device_i2c,
&s3c_device_iis,
&s3c_device_sdi,
&s3c_device_usbgadget,
&qt2410_spi,
&qt2410_cs89x0,
&qt2410_led,
};
static struct s3c24xx_board qt2410_board __initdata = {
.devices = qt2410_devices,
.devices_count = ARRAY_SIZE(qt2410_devices)
};
static struct mtd_partition 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 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 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));
s3c24xx_set_board(&qt2410_board);
}
static void __init qt2410_machine_init(void)
{
s3c_device_nand.dev.platform_data = &qt2410_nand_info;
switch (tft_type) {
case 'p': /* production */
s3c24xx_fb_set_platdata(&qt2410_prodlcd_cfg);
break;
case 'b': /* big */
s3c24xx_fb_set_platdata(&qt2410_biglcd_cfg);
break;
case 's': /* small */
default:
s3c24xx_fb_set_platdata(&qt2410_lcd_cfg);
break;
}
s3c2410_gpio_cfgpin(S3C2410_GPB0, S3C2410_GPIO_OUTPUT);
s3c2410_gpio_setpin(S3C2410_GPB0, 1);
s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
s3c2410_gpio_cfgpin(S3C2410_GPB5, S3C2410_GPIO_OUTPUT);
s3c2410_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
Reference in New Issue View Git Blame Copy Permalink