forked from luck/tmp_suning_uos_patched
86159a98ad
Use new reset_gpio to reset tosa and spitz PDAs. Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Acked-by: Eric Miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
527 lines
11 KiB
C
527 lines
11 KiB
C
/*
|
|
* Support for Sharp SL-C6000x PDAs
|
|
* Model: (Tosa)
|
|
*
|
|
* Copyright (c) 2005 Dirk Opfer
|
|
*
|
|
* Based on code written by Sharp/Lineo for 2.4 kernels
|
|
*
|
|
* 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/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/major.h>
|
|
#include <linux/fs.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/mmc/host.h>
|
|
#include <linux/pm.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/gpio_keys.h>
|
|
#include <linux/input.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/reboot.h>
|
|
|
|
#include <asm/setup.h>
|
|
#include <asm/memory.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/hardware.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/system.h>
|
|
#include <asm/arch/pxa-regs.h>
|
|
#include <asm/arch/pxa2xx-regs.h>
|
|
#include <asm/arch/mfp-pxa25x.h>
|
|
#include <asm/arch/irda.h>
|
|
#include <asm/arch/i2c.h>
|
|
#include <asm/arch/mmc.h>
|
|
#include <asm/arch/udc.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/irq.h>
|
|
#include <asm/arch/tosa.h>
|
|
|
|
#include <asm/hardware/scoop.h>
|
|
#include <asm/mach/sharpsl_param.h>
|
|
|
|
#include "generic.h"
|
|
#include "devices.h"
|
|
|
|
static unsigned long tosa_pin_config[] = {
|
|
GPIO78_nCS_2, /* Scoop */
|
|
GPIO80_nCS_4, /* tg6393xb */
|
|
GPIO33_nCS_5, /* Scoop */
|
|
|
|
// GPIO76 CARD_VCC_ON1
|
|
|
|
GPIO19_GPIO, /* Reset out */
|
|
GPIO1_RST | WAKEUP_ON_EDGE_FALL,
|
|
|
|
GPIO0_GPIO | WAKEUP_ON_EDGE_FALL, /* WAKE_UP */
|
|
GPIO2_GPIO | WAKEUP_ON_EDGE_BOTH, /* AC_IN */
|
|
GPIO3_GPIO | WAKEUP_ON_EDGE_FALL, /* RECORD */
|
|
GPIO4_GPIO | WAKEUP_ON_EDGE_FALL, /* SYNC */
|
|
GPIO20_GPIO, /* EAR_IN */
|
|
GPIO22_GPIO, /* On */
|
|
|
|
GPIO5_GPIO, /* USB_IN */
|
|
GPIO32_GPIO, /* Pen IRQ */
|
|
|
|
GPIO7_GPIO, /* Jacket Detect */
|
|
GPIO14_GPIO, /* BAT0_CRG */
|
|
GPIO12_GPIO, /* BAT1_CRG */
|
|
GPIO17_GPIO, /* BAT0_LOW */
|
|
GPIO84_GPIO, /* BAT1_LOW */
|
|
GPIO38_GPIO, /* BAT_LOCK */
|
|
|
|
GPIO11_3_6MHz,
|
|
GPIO15_GPIO, /* TC6393XB IRQ */
|
|
GPIO18_RDY,
|
|
GPIO27_GPIO, /* LCD Sync */
|
|
|
|
/* MMC */
|
|
GPIO6_MMC_CLK,
|
|
GPIO8_MMC_CS0,
|
|
GPIO9_GPIO, /* Detect */
|
|
// GPIO10 nSD_INT
|
|
|
|
/* CF */
|
|
GPIO13_GPIO, /* CD_IRQ */
|
|
GPIO21_GPIO, /* Main Slot IRQ */
|
|
GPIO36_GPIO, /* Jacket Slot IRQ */
|
|
GPIO48_nPOE,
|
|
GPIO49_nPWE,
|
|
GPIO50_nPIOR,
|
|
GPIO51_nPIOW,
|
|
GPIO52_nPCE_1,
|
|
GPIO53_nPCE_2,
|
|
GPIO54_nPSKTSEL,
|
|
GPIO55_nPREG,
|
|
GPIO56_nPWAIT,
|
|
GPIO57_nIOIS16,
|
|
|
|
/* AC97 */
|
|
GPIO31_AC97_SYNC,
|
|
GPIO30_AC97_SDATA_OUT,
|
|
GPIO28_AC97_BITCLK,
|
|
GPIO29_AC97_SDATA_IN_0,
|
|
// GPIO79 nAUD_IRQ
|
|
|
|
/* FFUART */
|
|
GPIO34_FFUART_RXD,
|
|
GPIO35_FFUART_CTS,
|
|
GPIO37_FFUART_DSR,
|
|
GPIO39_FFUART_TXD,
|
|
GPIO40_FFUART_DTR,
|
|
GPIO41_FFUART_RTS,
|
|
|
|
/* BTUART */
|
|
GPIO42_BTUART_RXD,
|
|
GPIO43_BTUART_TXD,
|
|
GPIO44_BTUART_CTS,
|
|
GPIO45_BTUART_RTS,
|
|
|
|
/* IrDA */
|
|
GPIO46_STUART_RXD,
|
|
GPIO47_STUART_TXD,
|
|
|
|
/* Keybd */
|
|
GPIO58_GPIO,
|
|
GPIO59_GPIO,
|
|
GPIO60_GPIO,
|
|
GPIO61_GPIO,
|
|
GPIO62_GPIO,
|
|
GPIO63_GPIO,
|
|
GPIO64_GPIO,
|
|
GPIO65_GPIO,
|
|
GPIO66_GPIO,
|
|
GPIO67_GPIO,
|
|
GPIO68_GPIO,
|
|
GPIO69_GPIO,
|
|
GPIO70_GPIO,
|
|
GPIO71_GPIO,
|
|
GPIO72_GPIO,
|
|
GPIO73_GPIO,
|
|
GPIO74_GPIO,
|
|
GPIO75_GPIO,
|
|
|
|
/* SPI */
|
|
GPIO81_SSP2_CLK_OUT,
|
|
GPIO82_SSP2_FRM_OUT,
|
|
GPIO83_SSP2_TXD,
|
|
};
|
|
|
|
/*
|
|
* SCOOP Device
|
|
*/
|
|
static struct resource tosa_scoop_resources[] = {
|
|
[0] = {
|
|
.start = TOSA_CF_PHYS,
|
|
.end = TOSA_CF_PHYS + 0xfff,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct scoop_config tosa_scoop_setup = {
|
|
.io_dir = TOSA_SCOOP_IO_DIR,
|
|
.gpio_base = TOSA_SCOOP_GPIO_BASE,
|
|
};
|
|
|
|
static struct platform_device tosascoop_device = {
|
|
.name = "sharp-scoop",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &tosa_scoop_setup,
|
|
},
|
|
.num_resources = ARRAY_SIZE(tosa_scoop_resources),
|
|
.resource = tosa_scoop_resources,
|
|
};
|
|
|
|
|
|
/*
|
|
* SCOOP Device Jacket
|
|
*/
|
|
static struct resource tosa_scoop_jc_resources[] = {
|
|
[0] = {
|
|
.start = TOSA_SCOOP_PHYS + 0x40,
|
|
.end = TOSA_SCOOP_PHYS + 0xfff,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct scoop_config tosa_scoop_jc_setup = {
|
|
.io_dir = TOSA_SCOOP_JC_IO_DIR,
|
|
.gpio_base = TOSA_SCOOP_JC_GPIO_BASE,
|
|
};
|
|
|
|
static struct platform_device tosascoop_jc_device = {
|
|
.name = "sharp-scoop",
|
|
.id = 1,
|
|
.dev = {
|
|
.platform_data = &tosa_scoop_jc_setup,
|
|
.parent = &tosascoop_device.dev,
|
|
},
|
|
.num_resources = ARRAY_SIZE(tosa_scoop_jc_resources),
|
|
.resource = tosa_scoop_jc_resources,
|
|
};
|
|
|
|
/*
|
|
* PCMCIA
|
|
*/
|
|
static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = {
|
|
{
|
|
.dev = &tosascoop_device.dev,
|
|
.irq = TOSA_IRQ_GPIO_CF_IRQ,
|
|
.cd_irq = TOSA_IRQ_GPIO_CF_CD,
|
|
.cd_irq_str = "PCMCIA0 CD",
|
|
},{
|
|
.dev = &tosascoop_jc_device.dev,
|
|
.irq = TOSA_IRQ_GPIO_JC_CF_IRQ,
|
|
.cd_irq = -1,
|
|
},
|
|
};
|
|
|
|
static struct scoop_pcmcia_config tosa_pcmcia_config = {
|
|
.devs = &tosa_pcmcia_scoop[0],
|
|
.num_devs = 2,
|
|
};
|
|
|
|
/*
|
|
* USB Device Controller
|
|
*/
|
|
static struct pxa2xx_udc_mach_info udc_info __initdata = {
|
|
.gpio_pullup = TOSA_GPIO_USB_PULLUP,
|
|
.gpio_vbus = TOSA_GPIO_USB_IN,
|
|
.gpio_vbus_inverted = 1,
|
|
};
|
|
|
|
/*
|
|
* MMC/SD Device
|
|
*/
|
|
static struct pxamci_platform_data tosa_mci_platform_data;
|
|
|
|
static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void *data)
|
|
{
|
|
int err;
|
|
|
|
tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
|
|
|
|
err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int,
|
|
IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
|
|
"MMC/SD card detect", data);
|
|
if (err) {
|
|
printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
|
|
goto err_irq;
|
|
}
|
|
|
|
err = gpio_request(TOSA_GPIO_SD_WP, "sd_wp");
|
|
if (err) {
|
|
printk(KERN_ERR "tosa_mci_init: can't request SD_WP gpio\n");
|
|
goto err_gpio_wp;
|
|
}
|
|
err = gpio_direction_input(TOSA_GPIO_SD_WP);
|
|
if (err)
|
|
goto err_gpio_wp_dir;
|
|
|
|
err = gpio_request(TOSA_GPIO_PWR_ON, "sd_pwr");
|
|
if (err) {
|
|
printk(KERN_ERR "tosa_mci_init: can't request SD_PWR gpio\n");
|
|
goto err_gpio_pwr;
|
|
}
|
|
err = gpio_direction_output(TOSA_GPIO_PWR_ON, 0);
|
|
if (err)
|
|
goto err_gpio_pwr_dir;
|
|
|
|
return 0;
|
|
|
|
err_gpio_pwr_dir:
|
|
gpio_free(TOSA_GPIO_PWR_ON);
|
|
err_gpio_pwr:
|
|
err_gpio_wp_dir:
|
|
gpio_free(TOSA_GPIO_SD_WP);
|
|
err_gpio_wp:
|
|
free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
|
|
err_irq:
|
|
return err;
|
|
}
|
|
|
|
static void tosa_mci_setpower(struct device *dev, unsigned int vdd)
|
|
{
|
|
struct pxamci_platform_data* p_d = dev->platform_data;
|
|
|
|
if (( 1 << vdd) & p_d->ocr_mask) {
|
|
gpio_set_value(TOSA_GPIO_PWR_ON, 1);
|
|
} else {
|
|
gpio_set_value(TOSA_GPIO_PWR_ON, 0);
|
|
}
|
|
}
|
|
|
|
static int tosa_mci_get_ro(struct device *dev)
|
|
{
|
|
return gpio_get_value(TOSA_GPIO_SD_WP);
|
|
}
|
|
|
|
static void tosa_mci_exit(struct device *dev, void *data)
|
|
{
|
|
gpio_free(TOSA_GPIO_PWR_ON);
|
|
gpio_free(TOSA_GPIO_SD_WP);
|
|
free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
|
|
}
|
|
|
|
static struct pxamci_platform_data tosa_mci_platform_data = {
|
|
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
|
|
.init = tosa_mci_init,
|
|
.get_ro = tosa_mci_get_ro,
|
|
.setpower = tosa_mci_setpower,
|
|
.exit = tosa_mci_exit,
|
|
};
|
|
|
|
/*
|
|
* Irda
|
|
*/
|
|
static int tosa_irda_startup(struct device *dev)
|
|
{
|
|
int ret;
|
|
|
|
ret = gpio_request(TOSA_GPIO_IR_POWERDWN, "IrDA powerdown");
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = gpio_direction_output(TOSA_GPIO_IR_POWERDWN, 0);
|
|
if (ret)
|
|
gpio_free(TOSA_GPIO_IR_POWERDWN);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void tosa_irda_shutdown(struct device *dev)
|
|
{
|
|
gpio_free(TOSA_GPIO_IR_POWERDWN);
|
|
}
|
|
|
|
static void tosa_irda_transceiver_mode(struct device *dev, int mode)
|
|
{
|
|
gpio_set_value(TOSA_GPIO_IR_POWERDWN, !(mode & IR_OFF));
|
|
}
|
|
|
|
static struct pxaficp_platform_data tosa_ficp_platform_data = {
|
|
.transceiver_cap = IR_SIRMODE | IR_OFF,
|
|
.transceiver_mode = tosa_irda_transceiver_mode,
|
|
.startup = tosa_irda_startup,
|
|
.shutdown = tosa_irda_shutdown,
|
|
};
|
|
|
|
/*
|
|
* Tosa Keyboard
|
|
*/
|
|
static struct platform_device tosakbd_device = {
|
|
.name = "tosa-keyboard",
|
|
.id = -1,
|
|
};
|
|
|
|
static struct gpio_keys_button tosa_gpio_keys[] = {
|
|
/*
|
|
* Two following keys are directly tied to "ON" button of tosa. Why?
|
|
* The first one can be used as a wakeup source, the second can't;
|
|
* also the first one is OR of ac_powered and on_button.
|
|
*/
|
|
{
|
|
.type = EV_PWR,
|
|
.code = KEY_RESERVED,
|
|
.gpio = TOSA_GPIO_POWERON,
|
|
.desc = "Poweron",
|
|
.wakeup = 1,
|
|
.active_low = 1,
|
|
},
|
|
{
|
|
.type = EV_PWR,
|
|
.code = KEY_SUSPEND,
|
|
.gpio = TOSA_GPIO_ON_KEY,
|
|
.desc = "On key",
|
|
/*
|
|
* can't be used as wakeup
|
|
* .wakeup = 1,
|
|
*/
|
|
.active_low = 1,
|
|
},
|
|
{
|
|
.type = EV_KEY,
|
|
.code = TOSA_KEY_RECORD,
|
|
.gpio = TOSA_GPIO_RECORD_BTN,
|
|
.desc = "Record Button",
|
|
.wakeup = 1,
|
|
.active_low = 1,
|
|
},
|
|
{
|
|
.type = EV_KEY,
|
|
.code = TOSA_KEY_SYNC,
|
|
.gpio = TOSA_GPIO_SYNC,
|
|
.desc = "Sync Button",
|
|
.wakeup = 1,
|
|
.active_low = 1,
|
|
},
|
|
};
|
|
|
|
static struct gpio_keys_platform_data tosa_gpio_keys_platform_data = {
|
|
.buttons = tosa_gpio_keys,
|
|
.nbuttons = ARRAY_SIZE(tosa_gpio_keys),
|
|
};
|
|
|
|
static struct platform_device tosa_gpio_keys_device = {
|
|
.name = "gpio-keys",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &tosa_gpio_keys_platform_data,
|
|
},
|
|
};
|
|
|
|
/*
|
|
* Tosa LEDs
|
|
*/
|
|
static struct gpio_led tosa_gpio_leds[] = {
|
|
{
|
|
.name = "tosa:amber:charge",
|
|
.default_trigger = "main-battery-charging",
|
|
.gpio = TOSA_GPIO_CHRG_ERR_LED,
|
|
},
|
|
{
|
|
.name = "tosa:green:mail",
|
|
.default_trigger = "nand-disk",
|
|
.gpio = TOSA_GPIO_NOTE_LED,
|
|
},
|
|
{
|
|
.name = "tosa:dual:wlan",
|
|
.default_trigger = "none",
|
|
.gpio = TOSA_GPIO_WLAN_LED,
|
|
},
|
|
{
|
|
.name = "tosa:blue:bluetooth",
|
|
.default_trigger = "none",
|
|
.gpio = TOSA_GPIO_BT_LED,
|
|
},
|
|
};
|
|
|
|
static struct gpio_led_platform_data tosa_gpio_leds_platform_data = {
|
|
.leds = tosa_gpio_leds,
|
|
.num_leds = ARRAY_SIZE(tosa_gpio_leds),
|
|
};
|
|
|
|
static struct platform_device tosaled_device = {
|
|
.name = "leds-gpio",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &tosa_gpio_leds_platform_data,
|
|
},
|
|
};
|
|
|
|
static struct platform_device *devices[] __initdata = {
|
|
&tosascoop_device,
|
|
&tosascoop_jc_device,
|
|
&tosakbd_device,
|
|
&tosa_gpio_keys_device,
|
|
&tosaled_device,
|
|
};
|
|
|
|
static void tosa_poweroff(void)
|
|
{
|
|
arm_machine_restart('g');
|
|
}
|
|
|
|
static void tosa_restart(char mode)
|
|
{
|
|
/* Bootloader magic for a reboot */
|
|
if((MSC0 & 0xffff0000) == 0x7ff00000)
|
|
MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
|
|
|
|
tosa_poweroff();
|
|
}
|
|
|
|
static void __init tosa_init(void)
|
|
{
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_config));
|
|
gpio_set_wake(MFP_PIN_GPIO1, 1);
|
|
/* We can't pass to gpio-keys since it will drop the Reset altfunc */
|
|
|
|
init_gpio_reset(TOSA_GPIO_ON_RESET);
|
|
|
|
pm_power_off = tosa_poweroff;
|
|
arm_pm_restart = tosa_restart;
|
|
|
|
PCFR |= PCFR_OPDE;
|
|
|
|
/* enable batt_fault */
|
|
PMCR = 0x01;
|
|
|
|
pxa_set_mci_info(&tosa_mci_platform_data);
|
|
pxa_set_udc_info(&udc_info);
|
|
pxa_set_ficp_info(&tosa_ficp_platform_data);
|
|
pxa_set_i2c_info(NULL);
|
|
platform_scoop_config = &tosa_pcmcia_config;
|
|
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
}
|
|
|
|
static void __init fixup_tosa(struct machine_desc *desc,
|
|
struct tag *tags, char **cmdline, struct meminfo *mi)
|
|
{
|
|
sharpsl_save_param();
|
|
mi->nr_banks=1;
|
|
mi->bank[0].start = 0xa0000000;
|
|
mi->bank[0].node = 0;
|
|
mi->bank[0].size = (64*1024*1024);
|
|
}
|
|
|
|
MACHINE_START(TOSA, "SHARP Tosa")
|
|
.phys_io = 0x40000000,
|
|
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
|
.fixup = fixup_tosa,
|
|
.map_io = pxa_map_io,
|
|
.init_irq = pxa25x_init_irq,
|
|
.init_machine = tosa_init,
|
|
.timer = &pxa_timer,
|
|
MACHINE_END
|