p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
linux_old1/arch/arm/mach-pxa/poodle.c

342 lines
7.8 KiB
C
Raw Blame History

/*
* linux/arch/arm/mach-pxa/poodle.c
*
* Support for the SHARP Poodle Board.
*
* Based on:
* linux/arch/arm/mach-pxa/lubbock.c Author: Nicolas Pitre
*
* 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.
*
* Change Log
* 12-Dec-2002 Sharp Corporation for Poodle
* John Lenz <lenz@cs.wisc.edu> updates to 2.6
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/fb.h>
#include <linux/pm.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/setup.h>
#include <asm/system.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/mmc.h>
#include <asm/arch/udc.h>
#include <asm/arch/irda.h>
#include <asm/arch/poodle.h>
#include <asm/arch/pxafb.h>
#include <asm/hardware/scoop.h>
#include <asm/hardware/locomo.h>
#include <asm/mach/sharpsl_param.h>
#include "generic.h"
static struct resource poodle_scoop_resources[] = {
[0] = {
.start = 0x10800000,
.end = 0x10800fff,
.flags = IORESOURCE_MEM,
},
};
static struct scoop_config poodle_scoop_setup = {
.io_dir = POODLE_SCOOP_IO_DIR,
.io_out = POODLE_SCOOP_IO_OUT,
};
struct platform_device poodle_scoop_device = {
.name = "sharp-scoop",
.id = -1,
.dev = {
.platform_data = &poodle_scoop_setup,
},
.num_resources = ARRAY_SIZE(poodle_scoop_resources),
.resource = poodle_scoop_resources,
};
static void poodle_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_dev poodle_pcmcia_scoop[] = {
{
.dev = &poodle_scoop_device.dev,
.irq = POODLE_IRQ_GPIO_CF_IRQ,
.cd_irq = POODLE_IRQ_GPIO_CF_CD,
.cd_irq_str = "PCMCIA0 CD",
},
};
static struct scoop_pcmcia_config poodle_pcmcia_config = {
.devs = &poodle_pcmcia_scoop[0],
.num_devs = 1,
.pcmcia_init = poodle_pcmcia_init,
};
EXPORT_SYMBOL(poodle_scoop_device);
/* LoCoMo device */
static struct resource locomo_resources[] = {
[0] = {
.start = 0x10000000,
.end = 0x10001fff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_GPIO(10),
.end = IRQ_GPIO(10),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device locomo_device = {
.name = "locomo",
.id = 0,
.num_resources = ARRAY_SIZE(locomo_resources),
.resource = locomo_resources,
};
/*
* MMC/SD Device
*
* The card detect interrupt isn't debounced so we delay it by 250ms
* to give the card a chance to fully insert/eject.
*/
static struct pxamci_platform_data poodle_mci_platform_data;
static int poodle_mci_init(struct device *dev, irqreturn_t (*poodle_detect_int)(int, void *, struct pt_regs *), 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(POODLE_GPIO_nSD_DETECT | GPIO_IN);
pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT);
poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int,
SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
"MMC card detect", data);
if (err) {
printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
return -1;
}
return 0;
}
static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
{
struct pxamci_platform_data* p_d = dev->platform_data;
if (( 1 << vdd) & p_d->ocr_mask)
GPSR1 = GPIO_bit(POODLE_GPIO_SD_PWR);
else
GPCR1 = GPIO_bit(POODLE_GPIO_SD_PWR);
}
static void poodle_mci_exit(struct device *dev, void *data)
{
free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data);
}
static struct pxamci_platform_data poodle_mci_platform_data = {
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
.init = poodle_mci_init,
.setpower = poodle_mci_setpower,
.exit = poodle_mci_exit,
};
/*
* Irda
*/
static void poodle_irda_transceiver_mode(struct device *dev, int mode)
{
if (mode & IR_OFF) {
GPSR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
} else {
GPCR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
}
}
static struct pxaficp_platform_data poodle_ficp_platform_data = {
.transceiver_cap = IR_SIRMODE | IR_OFF,
.transceiver_mode = poodle_irda_transceiver_mode,
};
/*
* USB Device Controller
*/
static void poodle_udc_command(int cmd)
{
switch(cmd) {
case PXA2XX_UDC_CMD_CONNECT:
GPSR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
break;
case PXA2XX_UDC_CMD_DISCONNECT:
GPCR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
break;
}
}
static struct pxa2xx_udc_mach_info udc_info __initdata = {
/* no connect GPIO; poodle can't tell connection status */
.udc_command = poodle_udc_command,
};
/* PXAFB device */
static struct pxafb_mach_info poodle_fb_info __initdata = {
.pixclock = 144700,
.xres = 320,
.yres = 240,
.bpp = 16,
.hsync_len = 7,
.left_margin = 11,
.right_margin = 30,
.vsync_len = 2,
.upper_margin = 2,
.lower_margin = 0,
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
.lccr0 = LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
.lccr3 = 0,
.pxafb_backlight_power = NULL,
.pxafb_lcd_power = NULL,
};
static struct platform_device *devices[] __initdata = {
&locomo_device,
&poodle_scoop_device,
};
static void poodle_poweroff(void)
{
RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
arm_machine_restart('h');
}
static void poodle_restart(char mode)
{
RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
arm_machine_restart('h');
}
static void __init poodle_init(void)
{
int ret = 0;
pm_power_off = poodle_poweroff;
arm_pm_restart = poodle_restart;
/* setup sleep mode values */
PWER = 0x00000002;
PFER = 0x00000000;
PRER = 0x00000002;
PGSR0 = 0x00008000;
PGSR1 = 0x003F0202;
PGSR2 = 0x0001C000;
PCFR |= PCFR_OPDE;
/* cpu initialize */
/* Pgsr Register */
PGSR0 = 0x0146dd80;
PGSR1 = 0x03bf0890;
PGSR2 = 0x0001c000;
/* Alternate Register */
GAFR0_L = 0x01001000;
GAFR0_U = 0x591a8010;
GAFR1_L = 0x900a8451;
GAFR1_U = 0xaaa5aaaa;
GAFR2_L = 0x8aaaaaaa;
GAFR2_U = 0x00000002;
/* Direction Register */
GPDR0 = 0xd3f0904c;
GPDR1 = 0xfcffb7d3;
GPDR2 = 0x0001ffff;
/* Output Register */
GPCR0 = 0x00000000;
GPCR1 = 0x00000000;
GPCR2 = 0x00000000;
GPSR0 = 0x00400000;
GPSR1 = 0x00000000;
GPSR2 = 0x00000000;
set_pxa_fb_info(&poodle_fb_info);
pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT);
pxa_gpio_mode(POODLE_GPIO_IR_ON | GPIO_OUT);
pxa_set_udc_info(&udc_info);
pxa_set_mci_info(&poodle_mci_platform_data);
pxa_set_ficp_info(&poodle_ficp_platform_data);
platform_scoop_config = &poodle_pcmcia_config;
ret = platform_add_devices(devices, ARRAY_SIZE(devices));
if (ret) {
printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n");
}
}
static void __init fixup_poodle(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 = (32*1024*1024);
}
MACHINE_START(POODLE, "SHARP Poodle")
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = fixup_poodle,
.map_io = pxa_map_io,
.init_irq = pxa_init_irq,
.timer = &pxa_timer,
.init_machine = poodle_init,
MACHINE_END
Reference in New Issue View Git Blame Copy Permalink