leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity
d8aa0251f1
linux/arch/arm/mach-s3c2412/mach-jive.c
Ben Dooks df9f17e20e [ARM] JIVE: Fix the spi bus numbering 
The first spi bus is registered with number 0, but
the board data says that the device on it is registered
on bus 1.

Move the spi bus to bus 1 to keep the compatibility with the
original board-support patches.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2008-08-26 22:56:22 +01:00

685 lines
17 KiB
C
Raw Blame History

/* 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/sysdev.h>
#include <linux/delay.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 <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/plat-s3c/regs-serial.h>
#include <asm/plat-s3c/nand.h>
#include <asm/plat-s3c/iic.h>
#include <mach/regs-power.h>
#include <mach/regs-gpio.h>
#include <mach/regs-mem.h>
#include <mach/regs-lcd.h>
#include <mach/spi-gpio.h>
#include <mach/fb.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 <asm/plat-s3c24xx/clock.h>
#include <asm/plat-s3c24xx/devs.h>
#include <asm/plat-s3c24xx/cpu.h>
#include <asm/plat-s3c24xx/pm.h>
#include <asm/plat-s3c24xx/udc.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 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 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 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 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\n", 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)
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))
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)\n", __func__, set);
s3c2410_gpio_setpin(S3C2410_GPG13, set);
s3c2410_gpio_cfgpin(S3C2410_GPG13, S3C2410_GPIO_OUTPUT);
}
#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 void jive_lcd_spi_chipselect(struct s3c2410_spigpio_info *spi, int cs)
{
s3c2410_gpio_setpin(S3C2410_GPB7, cs ? 0 : 1);
}
static struct s3c2410_spigpio_info jive_lcd_spi = {
.bus_num = 1,
.pin_clk = S3C2410_GPG8,
.pin_mosi = S3C2410_GPB8,
.chip_select = jive_lcd_spi_chipselect,
};
static struct platform_device jive_device_lcdspi = {
.name = "s3c24xx-spi-gpio",
.id = 1,
.num_resources = 0,
.dev.platform_data = &jive_lcd_spi,
};
/* WM8750 audio code SPI definition */
static void jive_wm8750_chipselect(struct s3c2410_spigpio_info *spi, int cs)
{
s3c2410_gpio_setpin(S3C2410_GPH10, cs ? 0 : 1);
}
static struct s3c2410_spigpio_info jive_wm8750_spi = {
.bus_num = 2,
.pin_clk = S3C2410_GPB4,
.pin_mosi = S3C2410_GPB9,
.chip_select = jive_wm8750_chipselect,
};
static struct platform_device jive_device_wm8750 = {
.name = "s3c24xx-spi-gpio",
.id = 2,
.num_resources = 0,
.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,
}, {
.modalias = "WM8750",
.bus_num = 2,
.chip_select = 0,
.mode = SPI_MODE_0, /* CPOL=0, CPHA=0 */
.max_speed_hz = 100000,
},
};
/* I2C bus and device configuration. */
static struct s3c2410_platform_i2c jive_i2c_cfg = {
.max_freq = 80 * 1000,
.bus_freq = 50 * 1000,
.flags = S3C_IICFLG_FILTER,
.sda_delay = 2,
};
static struct i2c_board_info jive_i2c_devs[] = {
[0] = {
I2C_BOARD_INFO("lis302dl", 0x1c),
.irq = IRQ_EINT14,
},
};
/* The platform devices being used. */
static struct platform_device *jive_devices[] __initdata = {
&s3c_device_usb,
&s3c_device_rtc,
&s3c_device_wdt,
&s3c_device_i2c,
&s3c_device_lcd,
&jive_device_lcdspi,
&jive_device_wm8750,
&s3c_device_nand,
&s3c_device_usbgadget,
};
static struct s3c2410_udc_mach_info jive_udc_cfg __initdata = {
.vbus_pin = S3C2410_GPG1, /* detect is on GPG1 */
};
/* Jive power management device */
#ifdef CONFIG_PM
static int jive_pm_suspend(struct sys_device *sd, pm_message_t state)
{
/* 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(s3c2410_cpu_resume), S3C2412_INFORM1);
return 0;
}
static int jive_pm_resume(struct sys_device *sd)
{
__raw_writel(0x0, S3C2412_INFORM0);
return 0;
}
#else
#define jive_pm_suspend NULL
#define jive_pm_resume NULL
#endif
static struct sysdev_class jive_pm_sysclass = {
.name = "jive-pm",
.suspend = jive_pm_suspend,
.resume = jive_pm_resume,
};
static struct sys_device jive_pm_sysdev = {
.cls = &jive_pm_sysclass,
};
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));
}
static void jive_power_off(void)
{
printk(KERN_INFO "powering system down...\n");
s3c2410_gpio_setpin(S3C2410_GPC5, 1);
s3c2410_gpio_cfgpin(S3C2410_GPC5, S3C2410_GPIO_OUTPUT);
}
static void __init jive_machine_init(void)
{
/* register system devices for managing low level suspend */
sysdev_class_register(&jive_pm_sysclass);
sysdev_register(&jive_pm_sysdev);
/* 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. */
s3c2410_pm_init();
s3c_device_nand.dev.platform_data = &jive_nand_info;
/* initialise the spi */
s3c2410_gpio_setpin(S3C2410_GPG13, 0);
s3c2410_gpio_cfgpin(S3C2410_GPG13, S3C2410_GPIO_OUTPUT);
s3c2410_gpio_setpin(S3C2410_GPB7, 1);
s3c2410_gpio_cfgpin(S3C2410_GPB7, S3C2410_GPIO_OUTPUT);
s3c2410_gpio_setpin(S3C2410_GPB6, 0);
s3c2410_gpio_cfgpin(S3C2410_GPB6, S3C2410_GPIO_OUTPUT);
s3c2410_gpio_setpin(S3C2410_GPG8, 1);
s3c2410_gpio_cfgpin(S3C2410_GPG8, S3C2410_GPIO_OUTPUT);
/* initialise the WM8750 spi */
s3c2410_gpio_setpin(S3C2410_GPH10, 1);
s3c2410_gpio_cfgpin(S3C2410_GPH10, S3C2410_GPIO_OUTPUT);
/* 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_device_i2c.dev.platform_data = &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@fluff.org> */
.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 = jive_map_io,
.init_machine = jive_machine_init,
.timer = &s3c24xx_timer,
MACHINE_END
Reference in New Issue View Git Blame Copy Permalink