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Commit 5fcdb16b authored by Ben Dooks's avatar Ben Dooks
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ARM: Merge for-2635/rx1950 

Merge branch 'for-2635/rx1950' into for-linus/samsung2
parents 5a5c419f 192ff91f
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Showing with 621 additions and 7 deletions
arch/arm/Makefile
View file @ 5fcdb16b
......@@ -110,6 +110,8 @@ CHECKFLAGS += -D__arm__
head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
textofs-y := 0x00008000
textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
# We don't want the htc bootloader to corrupt kernel during resume
textofs-$(CONFIG_PM_H1940) := 0x00108000
# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
ifeq ($(CONFIG_ARCH_SA1100),y)
textofs-$(CONFIG_SA1111) := 0x00208000
......
arch/arm/mach-s3c2410/Makefile.boot
View file @ 5fcdb16b
zreladdr-y := 0x30008000
params_phys-y := 0x30000100
ifeq ($(CONFIG_PM_H1940),y)
zreladdr-y := 0x30108000
params_phys-y := 0x30100100
else
zreladdr-y := 0x30008000
params_phys-y := 0x30000100
endif
arch/arm/mach-s3c2410/pm.c
View file @ 5fcdb16b
......@@ -60,10 +60,10 @@ static void s3c2410_pm_prepare(void)
__raw_writel(calc, phys_to_virt(H1940_SUSPEND_CHECKSUM));
}
/* the RX3715 uses similar code and the same H1940 and the
/* RX3715 and RX1950 use similar to H1940 code and the
* same offsets for resume and checksum pointers */
if (machine_is_rx3715()) {
if (machine_is_rx3715() || machine_is_rx1950()) {
void *base = phys_to_virt(H1940_SUSPEND_CHECK);
unsigned long ptr;
unsigned long calc = 0;
......@@ -79,6 +79,17 @@ static void s3c2410_pm_prepare(void)
if ( machine_is_aml_m5900() )
s3c2410_gpio_setpin(S3C2410_GPF(2), 1);
if (machine_is_rx1950()) {
/* According to S3C2442 user's manual, page 7-17,
* when the system is operating in NAND boot mode,
* the hardware pin configuration - EINT[23:21] –
* must be set as input for starting up after
* wakeup from sleep mode
*/
s3c_gpio_cfgpin(S3C2410_GPG(13), S3C2410_GPIO_INPUT);
s3c_gpio_cfgpin(S3C2410_GPG(14), S3C2410_GPIO_INPUT);
s3c_gpio_cfgpin(S3C2410_GPG(15), S3C2410_GPIO_INPUT);
}
}
static int s3c2410_pm_resume(struct sys_device *dev)
......
arch/arm/mach-s3c2440/Kconfig
View file @ 5fcdb16b
......@@ -187,4 +187,17 @@ config MACH_MINI2440
Say Y here to select support for the MINI2440. Is a 10cm x 10cm board
available via various sources. It can come with a 3.5" or 7" touch LCD.
config MACH_RX1950
bool "HP iPAQ rx1950"
select CPU_S3C2442
select S3C24XX_DCLK
select PM_H1940 if PM
select I2C
select S3C2410_PWM
select S3C_DEV_NAND
select S3C2410_IOTIMING if S3C2440_CPUFREQ
select S3C2440_XTAL_16934400
help
Say Y here if you're using HP iPAQ rx1950
endmenu
arch/arm/mach-s3c2440/Makefile
View file @ 5fcdb16b
......@@ -34,6 +34,7 @@ obj-$(CONFIG_MACH_NEXCODER_2440) += mach-nexcoder.o
obj-$(CONFIG_MACH_AT2440EVB) += mach-at2440evb.o
obj-$(CONFIG_MACH_MINI2440) += mach-mini2440.o
obj-$(CONFIG_MACH_NEO1973_GTA02) += mach-gta02.o
obj-$(CONFIG_MACH_RX1950) += mach-rx1950.o
# extra machine support
......
arch/arm/mach-s3c2440/mach-rx1950.c 0 → 100644
View file @ 5fcdb16b
/* 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/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));
}
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,
.init_irq = s3c24xx_init_irq,
.init_machine = rx1950_init_machine,
.timer = &s3c24xx_timer,
MACHINE_END
arch/arm/mm/mmu.c
View file @ 5fcdb16b
......@@ -869,9 +869,10 @@ void __init reserve_node_zero(pg_data_t *pgdat)
if (machine_is_p720t())
res_size = 0x00014000;
/* H1940 and RX3715 need to reserve this for suspend */
/* H1940, RX3715 and RX1950 need to reserve this for suspend */
if (machine_is_h1940() || machine_is_rx3715()) {
if (machine_is_h1940() || machine_is_rx3715()
|| machine_is_rx1950()) {
reserve_bootmem_node(pgdat, 0x30003000, 0x1000,
BOOTMEM_DEFAULT);
reserve_bootmem_node(pgdat, 0x30081000, 0x1000,
......
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