6b13f685e
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BSP 최초 추가
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/* linux/arch/arm/mach-s3c2410/mach-jive.c
*
* Copyright 2007 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
*
* http://armlinux.simtec.co.uk/
*
* 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/platform_device.h>
#include <linux/i2c.h>
#include <video/ili9320.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_gpio.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <plat/regs-serial.h>
#include <linux/platform_data/mtd-nand-s3c2410.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <mach/regs-gpio.h>
#include <mach/regs-lcd.h>
#include <mach/fb.h>
#include <mach/gpio-samsung.h>
#include <asm/mach-types.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/partitions.h>
#include <plat/gpio-cfg.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/pm.h>
#include <linux/platform_data/usb-s3c2410_udc.h>
#include <plat/samsung-time.h>
#include "common.h"
#include "s3c2412-power.h"
static struct map_desc jive_iodesc[] __initdata = {
};
#define UCON S3C2410_UCON_DEFAULT
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
static struct s3c2410_uartcfg jive_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,
}
};
/* Jive flash assignment
*
* 0x00000000-0x00028000 : uboot
* 0x00028000-0x0002c000 : uboot env
* 0x0002c000-0x00030000 : spare
* 0x00030000-0x00200000 : zimage A
* 0x00200000-0x01600000 : cramfs A
* 0x01600000-0x017d0000 : zimage B
* 0x017d0000-0x02bd0000 : cramfs B
* 0x02bd0000-0x03fd0000 : yaffs
*/
static struct mtd_partition __initdata jive_imageA_nand_part[] = {
#ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
/* Don't allow access to the bootloader from linux */
{
.name = "uboot",
.offset = 0,
.size = (160 * SZ_1K),
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
/* spare */
{
.name = "spare",
.offset = (176 * SZ_1K),
.size = (16 * SZ_1K),
},
#endif
/* booted images */
{
.name = "kernel (ro)",
.offset = (192 * SZ_1K),
.size = (SZ_2M) - (192 * SZ_1K),
.mask_flags = MTD_WRITEABLE, /* force read-only */
}, {
.name = "root (ro)",
.offset = (SZ_2M),
.size = (20 * SZ_1M),
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
/* yaffs */
{
.name = "yaffs",
.offset = (44 * SZ_1M),
.size = (20 * SZ_1M),
},
/* bootloader environment */
{
.name = "env",
.offset = (160 * SZ_1K),
.size = (16 * SZ_1K),
},
/* upgrade images */
{
.name = "zimage",
.offset = (22 * SZ_1M),
.size = (2 * SZ_1M) - (192 * SZ_1K),
}, {
.name = "cramfs",
.offset = (24 * SZ_1M) - (192*SZ_1K),
.size = (20 * SZ_1M),
},
};
static struct mtd_partition __initdata jive_imageB_nand_part[] = {
#ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
/* Don't allow access to the bootloader from linux */
{
.name = "uboot",
.offset = 0,
.size = (160 * SZ_1K),
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
/* spare */
{
.name = "spare",
.offset = (176 * SZ_1K),
.size = (16 * SZ_1K),
},
#endif
/* booted images */
{
.name = "kernel (ro)",
.offset = (22 * SZ_1M),
.size = (2 * SZ_1M) - (192 * SZ_1K),
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
{
.name = "root (ro)",
.offset = (24 * SZ_1M) - (192 * SZ_1K),
.size = (20 * SZ_1M),
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
/* yaffs */
{
.name = "yaffs",
.offset = (44 * SZ_1M),
.size = (20 * SZ_1M),
},
/* bootloader environment */
{
.name = "env",
.offset = (160 * SZ_1K),
.size = (16 * SZ_1K),
},
/* upgrade images */
{
.name = "zimage",
.offset = (192 * SZ_1K),
.size = (2 * SZ_1M) - (192 * SZ_1K),
}, {
.name = "cramfs",
.offset = (2 * SZ_1M),
.size = (20 * SZ_1M),
},
};
static struct s3c2410_nand_set __initdata jive_nand_sets[] = {
[0] = {
.name = "flash",
.nr_chips = 1,
.nr_partitions = ARRAY_SIZE(jive_imageA_nand_part),
.partitions = jive_imageA_nand_part,
},
};
static struct s3c2410_platform_nand __initdata jive_nand_info = {
/* set taken from osiris nand timings, possibly still conservative */
.tacls = 30,
.twrph0 = 55,
.twrph1 = 40,
.sets = jive_nand_sets,
.nr_sets = ARRAY_SIZE(jive_nand_sets),
};
static int __init jive_mtdset(char *options)
{
struct s3c2410_nand_set *nand = &jive_nand_sets[0];
unsigned long set;
if (options == NULL || options[0] == '\0')
return 0;
if (strict_strtoul(options, 10, &set)) {
printk(KERN_ERR "failed to parse mtdset=%s
", options);
return 0;
}
switch (set) {
case 1:
nand->nr_partitions = ARRAY_SIZE(jive_imageB_nand_part);
nand->partitions = jive_imageB_nand_part;
case 0:
/* this is already setup in the nand info */
break;
default:
printk(KERN_ERR "Unknown mtd set %ld specified,"
"using default.", set);
}
return 0;
}
/* parse the mtdset= option given to the kernel command line */
__setup("mtdset=", jive_mtdset);
/* LCD timing and setup */
#define LCD_XRES (240)
#define LCD_YRES (320)
#define LCD_LEFT_MARGIN (12)
#define LCD_RIGHT_MARGIN (12)
#define LCD_LOWER_MARGIN (12)
#define LCD_UPPER_MARGIN (12)
#define LCD_VSYNC (2)
#define LCD_HSYNC (2)
#define LCD_REFRESH (60)
#define LCD_HTOT (LCD_HSYNC + LCD_LEFT_MARGIN + LCD_XRES + LCD_RIGHT_MARGIN)
#define LCD_VTOT (LCD_VSYNC + LCD_LOWER_MARGIN + LCD_YRES + LCD_UPPER_MARGIN)
static struct s3c2410fb_display jive_vgg2432a4_display[] = {
[0] = {
.width = LCD_XRES,
.height = LCD_YRES,
.xres = LCD_XRES,
.yres = LCD_YRES,
.left_margin = LCD_LEFT_MARGIN,
.right_margin = LCD_RIGHT_MARGIN,
.upper_margin = LCD_UPPER_MARGIN,
.lower_margin = LCD_LOWER_MARGIN,
.hsync_len = LCD_HSYNC,
.vsync_len = LCD_VSYNC,
.pixclock = (1000000000000LL /
(LCD_REFRESH * LCD_HTOT * LCD_VTOT)),
.bpp = 16,
.type = (S3C2410_LCDCON1_TFT16BPP |
S3C2410_LCDCON1_TFT),
.lcdcon5 = (S3C2410_LCDCON5_FRM565 |
S3C2410_LCDCON5_INVVLINE |
S3C2410_LCDCON5_INVVFRAME |
S3C2410_LCDCON5_INVVDEN |
S3C2410_LCDCON5_PWREN),
},
};
/* todo - put into gpio header */
#define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2))
#define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2))
static struct s3c2410fb_mach_info jive_lcd_config = {
.displays = jive_vgg2432a4_display,
.num_displays = ARRAY_SIZE(jive_vgg2432a4_display),
.default_display = 0,
/* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN
* and disable the pull down resistors on pins we are using for LCD
* data. */
.gpcup = (0xf << 1) | (0x3f << 10),
.gpccon = (S3C2410_GPC1_VCLK | S3C2410_GPC2_VLINE |
S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM |
S3C2410_GPC10_VD2 | S3C2410_GPC11_VD3 |
S3C2410_GPC12_VD4 | S3C2410_GPC13_VD5 |
S3C2410_GPC14_VD6 | S3C2410_GPC15_VD7),
.gpccon_mask = (S3C2410_GPCCON_MASK(1) | S3C2410_GPCCON_MASK(2) |
S3C2410_GPCCON_MASK(3) | S3C2410_GPCCON_MASK(4) |
S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) |
S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) |
S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)),
.gpdup = (0x3f << 2) | (0x3f << 10),
.gpdcon = (S3C2410_GPD2_VD10 | S3C2410_GPD3_VD11 |
S3C2410_GPD4_VD12 | S3C2410_GPD5_VD13 |
S3C2410_GPD6_VD14 | S3C2410_GPD7_VD15 |
S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 |
S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 |
S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23),
.gpdcon_mask = (S3C2410_GPDCON_MASK(2) | S3C2410_GPDCON_MASK(3) |
S3C2410_GPDCON_MASK(4) | S3C2410_GPDCON_MASK(5) |
S3C2410_GPDCON_MASK(6) | S3C2410_GPDCON_MASK(7) |
S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)|
S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)|
S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),
};
/* ILI9320 support. */
static void jive_lcm_reset(unsigned int set)
{
printk(KERN_DEBUG "%s(%d)
", __func__, set);
gpio_set_value(S3C2410_GPG(13), set);
}
#undef LCD_UPPER_MARGIN
#define LCD_UPPER_MARGIN 2
static struct ili9320_platdata jive_lcm_config = {
.hsize = LCD_XRES,
.vsize = LCD_YRES,
.reset = jive_lcm_reset,
.suspend = ILI9320_SUSPEND_DEEP,
.entry_mode = ILI9320_ENTRYMODE_ID(3) | ILI9320_ENTRYMODE_BGR,
.display2 = (ILI9320_DISPLAY2_FP(LCD_UPPER_MARGIN) |
ILI9320_DISPLAY2_BP(LCD_LOWER_MARGIN)),
.display3 = 0x0,
.display4 = 0x0,
.rgb_if1 = (ILI9320_RGBIF1_RIM_RGB18 |
ILI9320_RGBIF1_RM | ILI9320_RGBIF1_CLK_RGBIF),
.rgb_if2 = ILI9320_RGBIF2_DPL,
.interface2 = 0x0,
.interface3 = 0x3,
.interface4 = (ILI9320_INTERFACE4_RTNE(16) |
ILI9320_INTERFACE4_DIVE(1)),
.interface5 = 0x0,
.interface6 = 0x0,
};
/* LCD SPI support */
static struct spi_gpio_platform_data jive_lcd_spi = {
.sck = S3C2410_GPG(8),
.mosi = S3C2410_GPB(8),
.miso = SPI_GPIO_NO_MISO,
};
static struct platform_device jive_device_lcdspi = {
.name = "spi-gpio",
.id = 1,
.dev.platform_data = &jive_lcd_spi,
};
/* WM8750 audio code SPI definition */
static struct spi_gpio_platform_data jive_wm8750_spi = {
.sck = S3C2410_GPB(4),
.mosi = S3C2410_GPB(9),
.miso = SPI_GPIO_NO_MISO,
};
static struct platform_device jive_device_wm8750 = {
.name = "spi-gpio",
.id = 2,
.dev.platform_data = &jive_wm8750_spi,
};
/* JIVE SPI devices. */
static struct spi_board_info __initdata jive_spi_devs[] = {
[0] = {
.modalias = "VGG2432A4",
.bus_num = 1,
.chip_select = 0,
.mode = SPI_MODE_3, /* CPOL=1, CPHA=1 */
.max_speed_hz = 100000,
.platform_data = &jive_lcm_config,
.controller_data = (void *)S3C2410_GPB(7),
}, {
.modalias = "WM8750",
.bus_num = 2,
.chip_select = 0,
.mode = SPI_MODE_0, /* CPOL=0, CPHA=0 */
.max_speed_hz = 100000,
.controller_data = (void *)S3C2410_GPH(10),
},
};
/* I2C bus and device configuration. */
static struct s3c2410_platform_i2c jive_i2c_cfg __initdata = {
.frequency = 80 * 1000,
.flags = S3C_IICFLG_FILTER,
.sda_delay = 2,
};
static struct i2c_board_info jive_i2c_devs[] __initdata = {
[0] = {
I2C_BOARD_INFO("lis302dl", 0x1c),
.irq = IRQ_EINT14,
},
};
/* The platform devices being used. */
static struct platform_device *jive_devices[] __initdata = {
&s3c_device_ohci,
&s3c_device_rtc,
&s3c_device_wdt,
&s3c_device_i2c0,
&s3c_device_lcd,
&jive_device_lcdspi,
&jive_device_wm8750,
&s3c_device_nand,
&s3c_device_usbgadget,
&s3c2412_device_dma,
};
static struct s3c2410_udc_mach_info jive_udc_cfg __initdata = {
.vbus_pin = S3C2410_GPG(1), /* detect is on GPG1 */
};
/* Jive power management device */
#ifdef CONFIG_PM
static int jive_pm_suspend(void)
{
/* Write the magic value u-boot uses to check for resume into
* the INFORM0 register, and ensure INFORM1 is set to the
* correct address to resume from. */
__raw_writel(0x2BED, S3C2412_INFORM0);
__raw_writel(virt_to_phys(s3c_cpu_resume), S3C2412_INFORM1);
return 0;
}
static void jive_pm_resume(void)
{
__raw_writel(0x0, S3C2412_INFORM0);
}
#else
#define jive_pm_suspend NULL
#define jive_pm_resume NULL
#endif
static struct syscore_ops jive_pm_syscore_ops = {
.suspend = jive_pm_suspend,
.resume = jive_pm_resume,
};
static void __init jive_map_io(void)
{
s3c24xx_init_io(jive_iodesc, ARRAY_SIZE(jive_iodesc));
s3c24xx_init_clocks(12000000);
s3c24xx_init_uarts(jive_uartcfgs, ARRAY_SIZE(jive_uartcfgs));
samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
}
static void jive_power_off(void)
{
printk(KERN_INFO "powering system down...
");
gpio_request_one(S3C2410_GPC(5), GPIOF_OUT_INIT_HIGH, NULL);
gpio_free(S3C2410_GPC(5));
}
static void __init jive_machine_init(void)
{
/* register system core operations for managing low level suspend */
register_syscore_ops(&jive_pm_syscore_ops);
/* write our sleep configurations for the IO. Pull down all unused
* IO, ensure that we have turned off all peripherals we do not
* need, and configure the ones we do need. */
/* Port B sleep */
__raw_writel(S3C2412_SLPCON_IN(0) |
S3C2412_SLPCON_PULL(1) |
S3C2412_SLPCON_HIGH(2) |
S3C2412_SLPCON_PULL(3) |
S3C2412_SLPCON_PULL(4) |
S3C2412_SLPCON_PULL(5) |
S3C2412_SLPCON_PULL(6) |
S3C2412_SLPCON_HIGH(7) |
S3C2412_SLPCON_PULL(8) |
S3C2412_SLPCON_PULL(9) |
S3C2412_SLPCON_PULL(10), S3C2412_GPBSLPCON);
/* Port C sleep */
__raw_writel(S3C2412_SLPCON_PULL(0) |
S3C2412_SLPCON_PULL(1) |
S3C2412_SLPCON_PULL(2) |
S3C2412_SLPCON_PULL(3) |
S3C2412_SLPCON_PULL(4) |
S3C2412_SLPCON_PULL(5) |
S3C2412_SLPCON_LOW(6) |
S3C2412_SLPCON_PULL(6) |
S3C2412_SLPCON_PULL(7) |
S3C2412_SLPCON_PULL(8) |
S3C2412_SLPCON_PULL(9) |
S3C2412_SLPCON_PULL(10) |
S3C2412_SLPCON_PULL(11) |
S3C2412_SLPCON_PULL(12) |
S3C2412_SLPCON_PULL(13) |
S3C2412_SLPCON_PULL(14) |
S3C2412_SLPCON_PULL(15), S3C2412_GPCSLPCON);
/* Port D sleep */
__raw_writel(S3C2412_SLPCON_ALL_PULL, S3C2412_GPDSLPCON);
/* Port F sleep */
__raw_writel(S3C2412_SLPCON_LOW(0) |
S3C2412_SLPCON_LOW(1) |
S3C2412_SLPCON_LOW(2) |
S3C2412_SLPCON_EINT(3) |
S3C2412_SLPCON_EINT(4) |
S3C2412_SLPCON_EINT(5) |
S3C2412_SLPCON_EINT(6) |
S3C2412_SLPCON_EINT(7), S3C2412_GPFSLPCON);
/* Port G sleep */
__raw_writel(S3C2412_SLPCON_IN(0) |
S3C2412_SLPCON_IN(1) |
S3C2412_SLPCON_IN(2) |
S3C2412_SLPCON_IN(3) |
S3C2412_SLPCON_IN(4) |
S3C2412_SLPCON_IN(5) |
S3C2412_SLPCON_IN(6) |
S3C2412_SLPCON_IN(7) |
S3C2412_SLPCON_PULL(8) |
S3C2412_SLPCON_PULL(9) |
S3C2412_SLPCON_IN(10) |
S3C2412_SLPCON_PULL(11) |
S3C2412_SLPCON_PULL(12) |
S3C2412_SLPCON_PULL(13) |
S3C2412_SLPCON_IN(14) |
S3C2412_SLPCON_PULL(15), S3C2412_GPGSLPCON);
/* Port H sleep */
__raw_writel(S3C2412_SLPCON_PULL(0) |
S3C2412_SLPCON_PULL(1) |
S3C2412_SLPCON_PULL(2) |
S3C2412_SLPCON_PULL(3) |
S3C2412_SLPCON_PULL(4) |
S3C2412_SLPCON_PULL(5) |
S3C2412_SLPCON_PULL(6) |
S3C2412_SLPCON_IN(7) |
S3C2412_SLPCON_IN(8) |
S3C2412_SLPCON_PULL(9) |
S3C2412_SLPCON_IN(10), S3C2412_GPHSLPCON);
/* initialise the power management now we've setup everything. */
s3c_pm_init();
/** TODO - check that this is after the cmdline option! */
s3c_nand_set_platdata(&jive_nand_info);
/* initialise the spi */
gpio_request(S3C2410_GPG(13), "lcm reset");
gpio_direction_output(S3C2410_GPG(13), 0);
gpio_request(S3C2410_GPB(7), "jive spi");
gpio_direction_output(S3C2410_GPB(7), 1);
gpio_request_one(S3C2410_GPB(6), GPIOF_OUT_INIT_LOW, NULL);
gpio_free(S3C2410_GPB(6));
gpio_request_one(S3C2410_GPG(8), GPIOF_OUT_INIT_HIGH, NULL);
gpio_free(S3C2410_GPG(8));
/* initialise the WM8750 spi */
gpio_request(S3C2410_GPH(10), "jive wm8750 spi");
gpio_direction_output(S3C2410_GPH(10), 1);
/* Turn off suspend on both USB ports, and switch the
* selectable USB port to USB device mode. */
s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
S3C2410_MISCCR_USBSUSPND0 |
S3C2410_MISCCR_USBSUSPND1, 0x0);
s3c24xx_udc_set_platdata(&jive_udc_cfg);
s3c24xx_fb_set_platdata(&jive_lcd_config);
spi_register_board_info(jive_spi_devs, ARRAY_SIZE(jive_spi_devs));
s3c_i2c0_set_platdata(&jive_i2c_cfg);
i2c_register_board_info(0, jive_i2c_devs, ARRAY_SIZE(jive_i2c_devs));
pm_power_off = jive_power_off;
platform_add_devices(jive_devices, ARRAY_SIZE(jive_devices));
}
MACHINE_START(JIVE, "JIVE")
/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
.atag_offset = 0x100,
.init_irq = s3c2412_init_irq,
.map_io = jive_map_io,
.init_machine = jive_machine_init,
.init_time = samsung_timer_init,
.restart = s3c2412_restart,
MACHINE_END
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