mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-12 02:06:41 +07:00
98c672cf1f
Move the platform specific bootmem memory reservations out of arch/arm/mm/mmu.c into their respective platform files. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
592 lines
13 KiB
C
592 lines
13 KiB
C
/* linux/arch/arm/mach-s3c2440/mach-rx1950.c
|
|
*
|
|
* Copyright (c) 2006-2009 Victor Chukhantsev, Denis Grigoriev,
|
|
* Copyright (c) 2007-2010 Vasily Khoruzhick
|
|
*
|
|
* based on smdk2440 written by Ben Dooks
|
|
*
|
|
* 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/bootmem.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/timer.h>
|
|
#include <linux/init.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/serial_core.h>
|
|
#include <linux/input.h>
|
|
#include <linux/gpio_keys.h>
|
|
#include <linux/sysdev.h>
|
|
#include <linux/pwm_backlight.h>
|
|
#include <linux/pwm.h>
|
|
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
|
|
#include <linux/mmc/host.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach-types.h>
|
|
|
|
#include <mach/regs-gpio.h>
|
|
#include <mach/regs-gpioj.h>
|
|
#include <mach/h1940.h>
|
|
#include <mach/fb.h>
|
|
|
|
#include <plat/clock.h>
|
|
#include <plat/regs-serial.h>
|
|
#include <plat/regs-iic.h>
|
|
#include <plat/mci.h>
|
|
#include <plat/udc.h>
|
|
#include <plat/nand.h>
|
|
#include <plat/iic.h>
|
|
#include <plat/devs.h>
|
|
#include <plat/cpu.h>
|
|
#include <plat/pm.h>
|
|
#include <plat/irq.h>
|
|
#include <plat/ts.h>
|
|
|
|
#define LCD_PWM_PERIOD 192960
|
|
#define LCD_PWM_DUTY 127353
|
|
|
|
static struct map_desc rx1950_iodesc[] __initdata = {
|
|
};
|
|
|
|
static struct s3c24xx_uart_clksrc rx1950_serial_clocks[] = {
|
|
[0] = {
|
|
.name = "fclk",
|
|
.divisor = 0x0a,
|
|
.min_baud = 0,
|
|
.max_baud = 0,
|
|
},
|
|
};
|
|
|
|
static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
|
|
[0] = {
|
|
.hwport = 0,
|
|
.flags = 0,
|
|
.ucon = 0x3c5,
|
|
.ulcon = 0x03,
|
|
.ufcon = 0x51,
|
|
.clocks = rx1950_serial_clocks,
|
|
.clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
|
|
},
|
|
[1] = {
|
|
.hwport = 1,
|
|
.flags = 0,
|
|
.ucon = 0x3c5,
|
|
.ulcon = 0x03,
|
|
.ufcon = 0x51,
|
|
.clocks = rx1950_serial_clocks,
|
|
.clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
|
|
},
|
|
/* IR port */
|
|
[2] = {
|
|
.hwport = 2,
|
|
.flags = 0,
|
|
.ucon = 0x3c5,
|
|
.ulcon = 0x43,
|
|
.ufcon = 0xf1,
|
|
.clocks = rx1950_serial_clocks,
|
|
.clocks_size = ARRAY_SIZE(rx1950_serial_clocks),
|
|
},
|
|
};
|
|
|
|
static struct s3c2410fb_display rx1950_display = {
|
|
.type = S3C2410_LCDCON1_TFT,
|
|
.width = 240,
|
|
.height = 320,
|
|
.xres = 240,
|
|
.yres = 320,
|
|
.bpp = 16,
|
|
|
|
.pixclock = 260000,
|
|
.left_margin = 10,
|
|
.right_margin = 20,
|
|
.hsync_len = 10,
|
|
.upper_margin = 2,
|
|
.lower_margin = 2,
|
|
.vsync_len = 2,
|
|
|
|
.lcdcon5 = S3C2410_LCDCON5_FRM565 |
|
|
S3C2410_LCDCON5_INVVCLK |
|
|
S3C2410_LCDCON5_INVVLINE |
|
|
S3C2410_LCDCON5_INVVFRAME |
|
|
S3C2410_LCDCON5_HWSWP |
|
|
(0x02 << 13) |
|
|
(0x02 << 15),
|
|
|
|
};
|
|
|
|
static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
|
|
.displays = &rx1950_display,
|
|
.num_displays = 1,
|
|
.default_display = 0,
|
|
|
|
.lpcsel = 0x02,
|
|
.gpccon = 0xaa9556a9,
|
|
.gpccon_mask = 0xffc003fc,
|
|
.gpcup = 0x0000ffff,
|
|
.gpcup_mask = 0xffffffff,
|
|
|
|
.gpdcon = 0xaa90aaa1,
|
|
.gpdcon_mask = 0xffc0fff0,
|
|
.gpdup = 0x0000fcfd,
|
|
.gpdup_mask = 0xffffffff,
|
|
|
|
};
|
|
|
|
static struct pwm_device *lcd_pwm;
|
|
|
|
void rx1950_lcd_power(int enable)
|
|
{
|
|
int i;
|
|
static int enabled;
|
|
if (enabled == enable)
|
|
return;
|
|
if (!enable) {
|
|
|
|
/* GPC11-GPC15->OUTPUT */
|
|
for (i = 11; i < 16; i++)
|
|
gpio_direction_output(S3C2410_GPC(i), 1);
|
|
|
|
/* Wait a bit here... */
|
|
mdelay(100);
|
|
|
|
/* GPD2-GPD7->OUTPUT */
|
|
/* GPD11-GPD15->OUTPUT */
|
|
/* GPD2-GPD7->1, GPD11-GPD15->1 */
|
|
for (i = 2; i < 8; i++)
|
|
gpio_direction_output(S3C2410_GPD(i), 1);
|
|
for (i = 11; i < 16; i++)
|
|
gpio_direction_output(S3C2410_GPD(i), 1);
|
|
|
|
/* Wait a bit here...*/
|
|
mdelay(100);
|
|
|
|
/* GPB0->OUTPUT, GPB0->0 */
|
|
gpio_direction_output(S3C2410_GPB(0), 0);
|
|
|
|
/* GPC1-GPC4->OUTPUT, GPC1-4->0 */
|
|
for (i = 1; i < 5; i++)
|
|
gpio_direction_output(S3C2410_GPC(i), 0);
|
|
|
|
/* GPC15-GPC11->0 */
|
|
for (i = 11; i < 16; i++)
|
|
gpio_direction_output(S3C2410_GPC(i), 0);
|
|
|
|
/* GPD15-GPD11->0, GPD2->GPD7->0 */
|
|
for (i = 11; i < 16; i++)
|
|
gpio_direction_output(S3C2410_GPD(i), 0);
|
|
|
|
for (i = 2; i < 8; i++)
|
|
gpio_direction_output(S3C2410_GPD(i), 0);
|
|
|
|
/* GPC6->0, GPC7->0, GPC5->0 */
|
|
gpio_direction_output(S3C2410_GPC(6), 0);
|
|
gpio_direction_output(S3C2410_GPC(7), 0);
|
|
gpio_direction_output(S3C2410_GPC(5), 0);
|
|
|
|
/* GPB1->OUTPUT, GPB1->0 */
|
|
gpio_direction_output(S3C2410_GPB(1), 0);
|
|
pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
|
|
pwm_disable(lcd_pwm);
|
|
|
|
/* GPC0->0, GPC10->0 */
|
|
gpio_direction_output(S3C2410_GPC(0), 0);
|
|
gpio_direction_output(S3C2410_GPC(10), 0);
|
|
} else {
|
|
pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
|
|
pwm_enable(lcd_pwm);
|
|
|
|
gpio_direction_output(S3C2410_GPC(0), 1);
|
|
gpio_direction_output(S3C2410_GPC(5), 1);
|
|
|
|
s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
|
|
gpio_direction_output(S3C2410_GPC(7), 1);
|
|
|
|
for (i = 1; i < 5; i++)
|
|
s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
|
|
|
|
for (i = 11; i < 16; i++)
|
|
s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
|
|
|
|
for (i = 2; i < 8; i++)
|
|
s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
|
|
|
|
for (i = 11; i < 16; i++)
|
|
s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
|
|
|
|
gpio_direction_output(S3C2410_GPC(10), 1);
|
|
gpio_direction_output(S3C2410_GPC(6), 1);
|
|
}
|
|
enabled = enable;
|
|
}
|
|
|
|
static void rx1950_bl_power(int enable)
|
|
{
|
|
static int enabled;
|
|
if (enabled == enable)
|
|
return;
|
|
if (!enable) {
|
|
gpio_direction_output(S3C2410_GPB(0), 0);
|
|
} else {
|
|
/* LED driver need a "push" to power on */
|
|
gpio_direction_output(S3C2410_GPB(0), 1);
|
|
/* Warm up backlight for one period of PWM.
|
|
* Without this trick its almost impossible to
|
|
* enable backlight with low brightness value
|
|
*/
|
|
ndelay(48000);
|
|
s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
|
|
}
|
|
enabled = enable;
|
|
}
|
|
|
|
static int rx1950_backlight_init(struct device *dev)
|
|
{
|
|
WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
|
|
lcd_pwm = pwm_request(1, "RX1950 LCD");
|
|
if (IS_ERR(lcd_pwm)) {
|
|
dev_err(dev, "Unable to request PWM for LCD power!\n");
|
|
return PTR_ERR(lcd_pwm);
|
|
}
|
|
|
|
rx1950_lcd_power(1);
|
|
rx1950_bl_power(1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void rx1950_backlight_exit(struct device *dev)
|
|
{
|
|
rx1950_bl_power(0);
|
|
rx1950_lcd_power(0);
|
|
|
|
pwm_free(lcd_pwm);
|
|
gpio_free(S3C2410_GPB(0));
|
|
}
|
|
|
|
|
|
static int rx1950_backlight_notify(struct device *dev, int brightness)
|
|
{
|
|
if (!brightness) {
|
|
rx1950_bl_power(0);
|
|
rx1950_lcd_power(0);
|
|
} else {
|
|
rx1950_lcd_power(1);
|
|
rx1950_bl_power(1);
|
|
}
|
|
return brightness;
|
|
}
|
|
|
|
static struct platform_pwm_backlight_data rx1950_backlight_data = {
|
|
.pwm_id = 0,
|
|
.max_brightness = 24,
|
|
.dft_brightness = 4,
|
|
.pwm_period_ns = 48000,
|
|
.init = rx1950_backlight_init,
|
|
.notify = rx1950_backlight_notify,
|
|
.exit = rx1950_backlight_exit,
|
|
};
|
|
|
|
static struct platform_device rx1950_backlight = {
|
|
.name = "pwm-backlight",
|
|
.dev = {
|
|
.parent = &s3c_device_timer[0].dev,
|
|
.platform_data = &rx1950_backlight_data,
|
|
},
|
|
};
|
|
|
|
static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
|
|
{
|
|
switch (power_mode) {
|
|
case MMC_POWER_OFF:
|
|
gpio_direction_output(S3C2410_GPJ(1), 0);
|
|
break;
|
|
case MMC_POWER_UP:
|
|
case MMC_POWER_ON:
|
|
gpio_direction_output(S3C2410_GPJ(1), 1);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
|
|
.gpio_detect = S3C2410_GPF(5),
|
|
.gpio_wprotect = S3C2410_GPH(8),
|
|
.set_power = rx1950_set_mmc_power,
|
|
.ocr_avail = MMC_VDD_32_33,
|
|
};
|
|
|
|
static struct mtd_partition rx1950_nand_part[] = {
|
|
[0] = {
|
|
.name = "Boot0",
|
|
.offset = 0,
|
|
.size = 0x4000,
|
|
.mask_flags = MTD_WRITEABLE,
|
|
},
|
|
[1] = {
|
|
.name = "Boot1",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = 0x40000,
|
|
.mask_flags = MTD_WRITEABLE,
|
|
},
|
|
[2] = {
|
|
.name = "Kernel",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = 0x300000,
|
|
.mask_flags = 0,
|
|
},
|
|
[3] = {
|
|
.name = "Filesystem",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = MTDPART_SIZ_FULL,
|
|
.mask_flags = 0,
|
|
},
|
|
};
|
|
|
|
static struct s3c2410_nand_set rx1950_nand_sets[] = {
|
|
[0] = {
|
|
.name = "Internal",
|
|
.nr_chips = 1,
|
|
.nr_partitions = ARRAY_SIZE(rx1950_nand_part),
|
|
.partitions = rx1950_nand_part,
|
|
},
|
|
};
|
|
|
|
static struct s3c2410_platform_nand rx1950_nand_info = {
|
|
.tacls = 25,
|
|
.twrph0 = 50,
|
|
.twrph1 = 15,
|
|
.nr_sets = ARRAY_SIZE(rx1950_nand_sets),
|
|
.sets = rx1950_nand_sets,
|
|
};
|
|
|
|
static void rx1950_udc_pullup(enum s3c2410_udc_cmd_e cmd)
|
|
{
|
|
switch (cmd) {
|
|
case S3C2410_UDC_P_ENABLE:
|
|
gpio_direction_output(S3C2410_GPJ(5), 1);
|
|
break;
|
|
case S3C2410_UDC_P_DISABLE:
|
|
gpio_direction_output(S3C2410_GPJ(5), 0);
|
|
break;
|
|
case S3C2410_UDC_P_RESET:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
|
|
.udc_command = rx1950_udc_pullup,
|
|
.vbus_pin = S3C2410_GPG(5),
|
|
.vbus_pin_inverted = 1,
|
|
};
|
|
|
|
static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
|
|
.delay = 10000,
|
|
.presc = 49,
|
|
.oversampling_shift = 3,
|
|
};
|
|
|
|
static struct gpio_keys_button rx1950_gpio_keys_table[] = {
|
|
{
|
|
.code = KEY_POWER,
|
|
.gpio = S3C2410_GPF(0),
|
|
.active_low = 1,
|
|
.desc = "Power button",
|
|
.wakeup = 1,
|
|
},
|
|
{
|
|
.code = KEY_F5,
|
|
.gpio = S3C2410_GPF(7),
|
|
.active_low = 1,
|
|
.desc = "Record button",
|
|
},
|
|
{
|
|
.code = KEY_F1,
|
|
.gpio = S3C2410_GPG(0),
|
|
.active_low = 1,
|
|
.desc = "Calendar button",
|
|
},
|
|
{
|
|
.code = KEY_F2,
|
|
.gpio = S3C2410_GPG(2),
|
|
.active_low = 1,
|
|
.desc = "Contacts button",
|
|
},
|
|
{
|
|
.code = KEY_F3,
|
|
.gpio = S3C2410_GPG(3),
|
|
.active_low = 1,
|
|
.desc = "Mail button",
|
|
},
|
|
{
|
|
.code = KEY_F4,
|
|
.gpio = S3C2410_GPG(7),
|
|
.active_low = 1,
|
|
.desc = "WLAN button",
|
|
},
|
|
{
|
|
.code = KEY_LEFT,
|
|
.gpio = S3C2410_GPG(10),
|
|
.active_low = 1,
|
|
.desc = "Left button",
|
|
},
|
|
{
|
|
.code = KEY_RIGHT,
|
|
.gpio = S3C2410_GPG(11),
|
|
.active_low = 1,
|
|
.desc = "Right button",
|
|
},
|
|
{
|
|
.code = KEY_UP,
|
|
.gpio = S3C2410_GPG(4),
|
|
.active_low = 1,
|
|
.desc = "Up button",
|
|
},
|
|
{
|
|
.code = KEY_DOWN,
|
|
.gpio = S3C2410_GPG(6),
|
|
.active_low = 1,
|
|
.desc = "Down button",
|
|
},
|
|
{
|
|
.code = KEY_ENTER,
|
|
.gpio = S3C2410_GPG(9),
|
|
.active_low = 1,
|
|
.desc = "Ok button"
|
|
},
|
|
};
|
|
|
|
static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
|
|
.buttons = rx1950_gpio_keys_table,
|
|
.nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
|
|
};
|
|
|
|
static struct platform_device rx1950_device_gpiokeys = {
|
|
.name = "gpio-keys",
|
|
.dev.platform_data = &rx1950_gpio_keys_data,
|
|
};
|
|
|
|
static struct s3c2410_platform_i2c rx1950_i2c_data = {
|
|
.flags = 0,
|
|
.slave_addr = 0x42,
|
|
.frequency = 400 * 1000,
|
|
.sda_delay = S3C2410_IICLC_SDA_DELAY5 | S3C2410_IICLC_FILTER_ON,
|
|
};
|
|
|
|
static struct platform_device *rx1950_devices[] __initdata = {
|
|
&s3c_device_lcd,
|
|
&s3c_device_wdt,
|
|
&s3c_device_i2c0,
|
|
&s3c_device_iis,
|
|
&s3c_device_usbgadget,
|
|
&s3c_device_rtc,
|
|
&s3c_device_nand,
|
|
&s3c_device_sdi,
|
|
&s3c_device_adc,
|
|
&s3c_device_ts,
|
|
&s3c_device_timer[0],
|
|
&s3c_device_timer[1],
|
|
&rx1950_backlight,
|
|
&rx1950_device_gpiokeys,
|
|
};
|
|
|
|
static struct clk *rx1950_clocks[] __initdata = {
|
|
&s3c24xx_clkout0,
|
|
&s3c24xx_clkout1,
|
|
};
|
|
|
|
static void __init rx1950_map_io(void)
|
|
{
|
|
s3c24xx_clkout0.parent = &clk_h;
|
|
s3c24xx_clkout1.parent = &clk_f;
|
|
|
|
s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks));
|
|
|
|
s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
|
|
s3c24xx_init_clocks(16934000);
|
|
s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
|
|
|
|
/* setup PM */
|
|
|
|
#ifdef CONFIG_PM_H1940
|
|
memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
|
|
#endif
|
|
|
|
s3c_pm_init();
|
|
}
|
|
|
|
static void __init rx1950_init_machine(void)
|
|
{
|
|
int i;
|
|
|
|
s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
|
|
s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
|
|
s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
|
|
s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
|
|
s3c_i2c0_set_platdata(&rx1950_i2c_data);
|
|
s3c_nand_set_platdata(&rx1950_nand_info);
|
|
|
|
/* 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);
|
|
|
|
WARN_ON(gpio_request(S3C2410_GPJ(5), "UDC pullup"));
|
|
gpio_direction_output(S3C2410_GPJ(5), 0);
|
|
|
|
/* mmc power is disabled by default */
|
|
WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
|
|
gpio_direction_output(S3C2410_GPJ(1), 0);
|
|
|
|
for (i = 0; i < 8; i++)
|
|
WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
|
|
|
|
for (i = 10; i < 16; i++)
|
|
WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
|
|
|
|
for (i = 2; i < 8; i++)
|
|
WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
|
|
|
|
for (i = 11; i < 16; i++)
|
|
WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
|
|
|
|
WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
|
|
|
|
platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
|
|
}
|
|
|
|
/* H1940 and RX3715 need to reserve this for suspend */
|
|
static void __init rx1950_reserve(void)
|
|
{
|
|
reserve_bootmem(0x30003000, 0x1000, BOOTMEM_DEFAULT);
|
|
reserve_bootmem(0x30081000, 0x1000, BOOTMEM_DEFAULT);
|
|
}
|
|
|
|
MACHINE_START(RX1950, "HP iPAQ RX1950")
|
|
/* Maintainers: Vasily Khoruzhick */
|
|
.phys_io = S3C2410_PA_UART,
|
|
.io_pg_offst = (((u32) S3C24XX_VA_UART) >> 18) & 0xfffc,
|
|
.boot_params = S3C2410_SDRAM_PA + 0x100,
|
|
.map_io = rx1950_map_io,
|
|
.reserve = rx1950_reserve,
|
|
.init_irq = s3c24xx_init_irq,
|
|
.init_machine = rx1950_init_machine,
|
|
.timer = &s3c24xx_timer,
|
|
MACHINE_END
|