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kernel-fxtec-pro1x/arch/arm/mach-pxa/tosa.c
Linus Torvalds 0cd61b68c3 Initial blind fixup for arm for irq changes 
Untested, but this should fix up the bulk of the totally mechanical
issues, and should make the actual detail fixing easier.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-06 10:59:54 -07:00

339 lines
7.7 KiB
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/*
* 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 <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/irda.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/pxa-regs.h>
#include <asm/arch/tosa.h>
#include <asm/hardware/scoop.h>
#include <asm/mach/sharpsl_param.h>
#include "generic.h"
/*
* 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,
.io_out = TOSA_SCOOP_IO_OUT,
};
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,
.io_out = TOSA_SCOOP_JC_IO_OUT,
};
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 void tosa_pcmcia_init(void)
{
/* Setup default state of GPIO outputs
before we enable them as outputs. */
GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
GPIO_bit(GPIO53_nPCE_2);
pxa_gpio_mode(GPIO48_nPOE_MD);
pxa_gpio_mode(GPIO49_nPWE_MD);
pxa_gpio_mode(GPIO50_nPIOR_MD);
pxa_gpio_mode(GPIO51_nPIOW_MD);
pxa_gpio_mode(GPIO55_nPREG_MD);
pxa_gpio_mode(GPIO56_nPWAIT_MD);
pxa_gpio_mode(GPIO57_nIOIS16_MD);
pxa_gpio_mode(GPIO52_nPCE_1_MD);
pxa_gpio_mode(GPIO53_nPCE_2_MD);
pxa_gpio_mode(GPIO54_pSKTSEL_MD);
}
static struct scoop_pcmcia_config tosa_pcmcia_config = {
.devs = &tosa_pcmcia_scoop[0],
.num_devs = 2,
.pcmcia_init = tosa_pcmcia_init,
};
/*
* USB Device Controller
*/
static void tosa_udc_command(int cmd)
{
switch(cmd) {
case PXA2XX_UDC_CMD_CONNECT:
set_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
break;
case PXA2XX_UDC_CMD_DISCONNECT:
reset_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
break;
}
}
static int tosa_udc_is_connected(void)
{
return ((GPLR(TOSA_GPIO_USB_IN) & GPIO_bit(TOSA_GPIO_USB_IN)) == 0);
}
static struct pxa2xx_udc_mach_info udc_info __initdata = {
.udc_command = tosa_udc_command,
.udc_is_connected = tosa_udc_is_connected,
};
/*
* MMC/SD Device
*/
static struct pxamci_platform_data tosa_mci_platform_data;
static int tosa_mci_init(struct device *dev, irqreturn_t (*tosa_detect_int)(int, void *), void *data)
{
int err;
/* setup GPIO for PXA25x MMC controller */
pxa_gpio_mode(GPIO6_MMCCLK_MD);
pxa_gpio_mode(GPIO8_MMCCS0_MD);
pxa_gpio_mode(TOSA_GPIO_nSD_DETECT | GPIO_IN);
tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int, IRQF_DISABLED,
"MMC/SD card detect", data);
if (err) {
printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
return -1;
}
set_irq_type(TOSA_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
return 0;
}
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) {
set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
} else {
reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
}
}
static int tosa_mci_get_ro(struct device *dev)
{
return (read_scoop_reg(&tosascoop_device.dev, SCOOP_GPWR)&TOSA_SCOOP_SD_WP);
}
static void tosa_mci_exit(struct device *dev, void *data)
{
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 void tosa_irda_transceiver_mode(struct device *dev, int mode)
{
if (mode & IR_OFF) {
reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
pxa_gpio_mode(GPIO47_STTXD|GPIO_DFLT_LOW);
pxa_gpio_mode(GPIO47_STTXD|GPIO_OUT);
} else {
pxa_gpio_mode(GPIO47_STTXD_MD);
set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
}
}
static struct pxaficp_platform_data tosa_ficp_platform_data = {
.transceiver_cap = IR_SIRMODE | IR_OFF,
.transceiver_mode = tosa_irda_transceiver_mode,
};
/*
* Tosa Keyboard
*/
static struct platform_device tosakbd_device = {
.name = "tosa-keyboard",
.id = -1,
};
/*
* Tosa LEDs
*/
static struct platform_device tosaled_device = {
.name = "tosa-led",
.id = -1,
};
static struct platform_device *devices[] __initdata = {
&tosascoop_device,
&tosascoop_jc_device,
&tosakbd_device,
&tosaled_device,
};
static void tosa_poweroff(void)
{
RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_OUT);
GPSR(TOSA_GPIO_ON_RESET) = GPIO_bit(TOSA_GPIO_ON_RESET);
mdelay(1000);
arm_machine_restart('h');
}
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)
{
pm_power_off = tosa_poweroff;
arm_pm_restart = tosa_restart;
pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_IN);
pxa_gpio_mode(TOSA_GPIO_TC6393_INT | GPIO_IN);
pxa_gpio_mode(TOSA_GPIO_USB_IN | GPIO_IN);
/* setup sleep mode values */
PWER = 0x00000002;
PFER = 0x00000000;
PRER = 0x00000002;
PGSR0 = 0x00000000;
PGSR1 = 0x00FF0002;
PGSR2 = 0x00014000;
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);
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 = pxa_init_irq,
.init_machine = tosa_init,
.timer = &pxa_timer,
MACHINE_END
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