339 строки
7.7 KiB
C
339 строки
7.7 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 <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/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/tosa.h>
|
|
|
|
#include <asm/hardware/scoop.h>
|
|
#include <asm/mach/sharpsl_param.h>
|
|
|
|
#include "generic.h"
|
|
#include "devices.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, irq_handler_t tosa_detect_int, 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 = pxa25x_init_irq,
|
|
.init_machine = tosa_init,
|
|
.timer = &pxa_timer,
|
|
MACHINE_END
|