342 lines
7.5 KiB
C
342 lines
7.5 KiB
C
/* linux/arch/arm/mach-s3c2410/mach-h1940.c
|
|
*
|
|
* Copyright (c) 2003-2005 Simtec Electronics
|
|
* Ben Dooks <ben@simtec.co.uk>
|
|
*
|
|
* http://www.handhelds.org/projects/h1940.html
|
|
*
|
|
* 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/serial_core.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/io.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/pwm_backlight.h>
|
|
#include <video/platform_lcd.h>
|
|
|
|
#include <linux/mmc/host.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 <plat/regs-serial.h>
|
|
#include <mach/regs-lcd.h>
|
|
#include <mach/regs-clock.h>
|
|
|
|
#include <mach/regs-gpio.h>
|
|
#include <mach/gpio-fns.h>
|
|
#include <mach/gpio-nrs.h>
|
|
|
|
#include <mach/h1940.h>
|
|
#include <mach/h1940-latch.h>
|
|
#include <mach/fb.h>
|
|
#include <plat/udc.h>
|
|
#include <plat/iic.h>
|
|
|
|
#include <plat/clock.h>
|
|
#include <plat/devs.h>
|
|
#include <plat/cpu.h>
|
|
#include <plat/pll.h>
|
|
#include <plat/pm.h>
|
|
#include <plat/mci.h>
|
|
|
|
static struct map_desc h1940_iodesc[] __initdata = {
|
|
[0] = {
|
|
.virtual = (unsigned long)H1940_LATCH,
|
|
.pfn = __phys_to_pfn(H1940_PA_LATCH),
|
|
.length = SZ_16K,
|
|
.type = 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 h1940_uartcfgs[] __initdata = {
|
|
[0] = {
|
|
.hwport = 0,
|
|
.flags = 0,
|
|
.ucon = 0x3c5,
|
|
.ulcon = 0x03,
|
|
.ufcon = 0x51,
|
|
},
|
|
[1] = {
|
|
.hwport = 1,
|
|
.flags = 0,
|
|
.ucon = 0x245,
|
|
.ulcon = 0x03,
|
|
.ufcon = 0x00,
|
|
},
|
|
/* IR port */
|
|
[2] = {
|
|
.hwport = 2,
|
|
.flags = 0,
|
|
.uart_flags = UPF_CONS_FLOW,
|
|
.ucon = 0x3c5,
|
|
.ulcon = 0x43,
|
|
.ufcon = 0x51,
|
|
}
|
|
};
|
|
|
|
/* Board control latch control */
|
|
|
|
static unsigned int latch_state = H1940_LATCH_DEFAULT;
|
|
|
|
void h1940_latch_control(unsigned int clear, unsigned int set)
|
|
{
|
|
unsigned long flags;
|
|
|
|
local_irq_save(flags);
|
|
|
|
latch_state &= ~clear;
|
|
latch_state |= set;
|
|
|
|
__raw_writel(latch_state, H1940_LATCH);
|
|
|
|
local_irq_restore(flags);
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(h1940_latch_control);
|
|
|
|
static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
|
|
{
|
|
printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
|
|
|
|
switch (cmd)
|
|
{
|
|
case S3C2410_UDC_P_ENABLE :
|
|
h1940_latch_control(0, H1940_LATCH_USB_DP);
|
|
break;
|
|
case S3C2410_UDC_P_DISABLE :
|
|
h1940_latch_control(H1940_LATCH_USB_DP, 0);
|
|
break;
|
|
case S3C2410_UDC_P_RESET :
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
|
|
.udc_command = h1940_udc_pullup,
|
|
.vbus_pin = S3C2410_GPG(5),
|
|
.vbus_pin_inverted = 1,
|
|
};
|
|
|
|
|
|
/**
|
|
* Set lcd on or off
|
|
**/
|
|
static struct s3c2410fb_display h1940_lcd __initdata = {
|
|
.lcdcon5= S3C2410_LCDCON5_FRM565 | \
|
|
S3C2410_LCDCON5_INVVLINE | \
|
|
S3C2410_LCDCON5_HWSWP,
|
|
|
|
.type = S3C2410_LCDCON1_TFT,
|
|
.width = 240,
|
|
.height = 320,
|
|
.pixclock = 260000,
|
|
.xres = 240,
|
|
.yres = 320,
|
|
.bpp = 16,
|
|
.left_margin = 20,
|
|
.right_margin = 8,
|
|
.hsync_len = 4,
|
|
.upper_margin = 8,
|
|
.lower_margin = 7,
|
|
.vsync_len = 1,
|
|
};
|
|
|
|
static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
|
|
.displays = &h1940_lcd,
|
|
.num_displays = 1,
|
|
.default_display = 0,
|
|
|
|
.lpcsel= 0x02,
|
|
.gpccon= 0xaa940659,
|
|
.gpccon_mask= 0xffffffff,
|
|
.gpcup= 0x0000ffff,
|
|
.gpcup_mask= 0xffffffff,
|
|
.gpdcon= 0xaa84aaa0,
|
|
.gpdcon_mask= 0xffffffff,
|
|
.gpdup= 0x0000faff,
|
|
.gpdup_mask= 0xffffffff,
|
|
};
|
|
|
|
static struct platform_device h1940_device_leds = {
|
|
.name = "h1940-leds",
|
|
.id = -1,
|
|
};
|
|
|
|
static struct platform_device h1940_device_bluetooth = {
|
|
.name = "h1940-bt",
|
|
.id = -1,
|
|
};
|
|
|
|
static struct s3c24xx_mci_pdata h1940_mmc_cfg = {
|
|
.gpio_detect = S3C2410_GPF(5),
|
|
.gpio_wprotect = S3C2410_GPH(8),
|
|
.set_power = NULL,
|
|
.ocr_avail = MMC_VDD_32_33,
|
|
};
|
|
|
|
static int h1940_backlight_init(struct device *dev)
|
|
{
|
|
gpio_request(S3C2410_GPB(0), "Backlight");
|
|
|
|
s3c2410_gpio_setpin(S3C2410_GPB(0), 0);
|
|
s3c2410_gpio_pullup(S3C2410_GPB(0), 0);
|
|
s3c2410_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void h1940_backlight_exit(struct device *dev)
|
|
{
|
|
s3c2410_gpio_cfgpin(S3C2410_GPB(0), 1/*S3C2410_GPB0_OUTP*/);
|
|
}
|
|
|
|
static struct platform_pwm_backlight_data backlight_data = {
|
|
.pwm_id = 0,
|
|
.max_brightness = 100,
|
|
.dft_brightness = 50,
|
|
/* tcnt = 0x31 */
|
|
.pwm_period_ns = 36296,
|
|
.init = h1940_backlight_init,
|
|
.exit = h1940_backlight_exit,
|
|
};
|
|
|
|
static struct platform_device h1940_backlight = {
|
|
.name = "pwm-backlight",
|
|
.dev = {
|
|
.parent = &s3c_device_timer[0].dev,
|
|
.platform_data = &backlight_data,
|
|
},
|
|
.id = -1,
|
|
};
|
|
|
|
static void h1940_lcd_power_set(struct plat_lcd_data *pd,
|
|
unsigned int power)
|
|
{
|
|
int value;
|
|
|
|
if (!power) {
|
|
/* set to 3ec */
|
|
s3c2410_gpio_setpin(S3C2410_GPC(0), 0);
|
|
/* wait for 3ac */
|
|
do {
|
|
value = s3c2410_gpio_getpin(S3C2410_GPC(6));
|
|
} while (value);
|
|
/* set to 38c */
|
|
s3c2410_gpio_setpin(S3C2410_GPC(5), 0);
|
|
} else {
|
|
/* Set to 3ac */
|
|
s3c2410_gpio_setpin(S3C2410_GPC(5), 1);
|
|
/* Set to 3ad */
|
|
s3c2410_gpio_setpin(S3C2410_GPC(0), 1);
|
|
}
|
|
}
|
|
|
|
static struct plat_lcd_data h1940_lcd_power_data = {
|
|
.set_power = h1940_lcd_power_set,
|
|
};
|
|
|
|
static struct platform_device h1940_lcd_powerdev = {
|
|
.name = "platform-lcd",
|
|
.dev.parent = &s3c_device_lcd.dev,
|
|
.dev.platform_data = &h1940_lcd_power_data,
|
|
};
|
|
|
|
static struct platform_device *h1940_devices[] __initdata = {
|
|
&s3c_device_usb,
|
|
&s3c_device_lcd,
|
|
&s3c_device_wdt,
|
|
&s3c_device_i2c0,
|
|
&s3c_device_iis,
|
|
&s3c_device_usbgadget,
|
|
&h1940_device_leds,
|
|
&h1940_device_bluetooth,
|
|
&s3c_device_sdi,
|
|
&s3c_device_rtc,
|
|
&s3c_device_timer[0],
|
|
&h1940_backlight,
|
|
&h1940_lcd_powerdev,
|
|
};
|
|
|
|
static void __init h1940_map_io(void)
|
|
{
|
|
s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
|
|
s3c24xx_init_clocks(0);
|
|
s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
|
|
|
|
/* setup PM */
|
|
|
|
#ifdef CONFIG_PM_H1940
|
|
memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
|
|
#endif
|
|
s3c_pm_init();
|
|
}
|
|
|
|
static void __init h1940_init_irq(void)
|
|
{
|
|
s3c24xx_init_irq();
|
|
}
|
|
|
|
static void __init h1940_init(void)
|
|
{
|
|
u32 tmp;
|
|
|
|
s3c24xx_fb_set_platdata(&h1940_fb_info);
|
|
s3c24xx_udc_set_platdata(&h1940_udc_cfg);
|
|
s3c_i2c0_set_platdata(NULL);
|
|
|
|
s3c_device_sdi.dev.platform_data = &h1940_mmc_cfg;
|
|
|
|
/* 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);
|
|
|
|
tmp = (0x78 << S3C24XX_PLLCON_MDIVSHIFT)
|
|
| (0x02 << S3C24XX_PLLCON_PDIVSHIFT)
|
|
| (0x03 << S3C24XX_PLLCON_SDIVSHIFT);
|
|
writel(tmp, S3C2410_UPLLCON);
|
|
|
|
gpio_request(S3C2410_GPC(0), "LCD power");
|
|
gpio_request(S3C2410_GPC(5), "LCD power");
|
|
gpio_request(S3C2410_GPC(6), "LCD power");
|
|
|
|
|
|
platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
|
|
}
|
|
|
|
MACHINE_START(H1940, "IPAQ-H1940")
|
|
/* 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,
|
|
.map_io = h1940_map_io,
|
|
.init_irq = h1940_init_irq,
|
|
.init_machine = h1940_init,
|
|
.timer = &s3c24xx_timer,
|
|
MACHINE_END
|