478 lines
10 KiB
C
478 lines
10 KiB
C
|
/*
|
||
|
|
* 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/export.h>
|
||
|
|
#include <linux/platform_device.h>
|
||
|
|
#include <linux/fb.h>
|
||
|
|
#include <linux/pm.h>
|
||
|
|
#include <linux/delay.h>
|
||
|
|
#include <linux/mtd/physmap.h>
|
||
|
|
#include <linux/gpio.h>
|
||
|
|
#include <linux/i2c.h>
|
||
|
|
#include <linux/i2c/pxa-i2c.h>
|
||
|
|
#include <linux/regulator/machine.h>
|
||
|
|
#include <linux/spi/spi.h>
|
||
|
|
#include <linux/spi/ads7846.h>
|
||
|
|
#include <linux/spi/pxa2xx_spi.h>
|
||
|
|
#include <linux/mtd/sharpsl.h>
|
||
|
|
#include <linux/memblock.h>
|
||
|
|
|
||
|
|
#include <mach/hardware.h>
|
||
|
|
#include <asm/mach-types.h>
|
||
|
|
#include <asm/irq.h>
|
||
|
|
#include <asm/setup.h>
|
||
|
|
|
||
|
|
#include <asm/mach/arch.h>
|
||
|
|
#include <asm/mach/map.h>
|
||
|
|
#include <asm/mach/irq.h>
|
||
|
|
|
||
|
|
#include "pxa25x.h"
|
||
|
|
#include <linux/platform_data/mmc-pxamci.h>
|
||
|
|
#include "udc.h"
|
||
|
|
#include <linux/platform_data/irda-pxaficp.h>
|
||
|
|
#include <mach/poodle.h>
|
||
|
|
#include <linux/platform_data/video-pxafb.h>
|
||
|
|
|
||
|
|
#include <asm/hardware/scoop.h>
|
||
|
|
#include <asm/hardware/locomo.h>
|
||
|
|
#include <asm/mach/sharpsl_param.h>
|
||
|
|
|
||
|
|
#include "generic.h"
|
||
|
|
#include "devices.h"
|
||
|
|
|
||
|
|
static unsigned long poodle_pin_config[] __initdata = {
|
||
|
|
/* I/O */
|
||
|
|
GPIO79_nCS_3,
|
||
|
|
GPIO80_nCS_4,
|
||
|
|
GPIO18_RDY,
|
||
|
|
|
||
|
|
/* Clock */
|
||
|
|
GPIO12_32KHz,
|
||
|
|
|
||
|
|
/* SSP1 */
|
||
|
|
GPIO23_SSP1_SCLK,
|
||
|
|
GPIO25_SSP1_TXD,
|
||
|
|
GPIO26_SSP1_RXD,
|
||
|
|
GPIO24_GPIO, /* POODLE_GPIO_TP_CS - SFRM as chip select */
|
||
|
|
|
||
|
|
/* I2S */
|
||
|
|
GPIO28_I2S_BITCLK_OUT,
|
||
|
|
GPIO29_I2S_SDATA_IN,
|
||
|
|
GPIO30_I2S_SDATA_OUT,
|
||
|
|
GPIO31_I2S_SYNC,
|
||
|
|
GPIO32_I2S_SYSCLK,
|
||
|
|
|
||
|
|
/* Infra-Red */
|
||
|
|
GPIO47_FICP_TXD,
|
||
|
|
GPIO46_FICP_RXD,
|
||
|
|
|
||
|
|
/* FFUART */
|
||
|
|
GPIO40_FFUART_DTR,
|
||
|
|
GPIO41_FFUART_RTS,
|
||
|
|
GPIO39_FFUART_TXD,
|
||
|
|
GPIO37_FFUART_DSR,
|
||
|
|
GPIO34_FFUART_RXD,
|
||
|
|
GPIO35_FFUART_CTS,
|
||
|
|
|
||
|
|
/* LCD */
|
||
|
|
GPIOxx_LCD_TFT_16BPP,
|
||
|
|
|
||
|
|
/* PC Card */
|
||
|
|
GPIO48_nPOE,
|
||
|
|
GPIO49_nPWE,
|
||
|
|
GPIO50_nPIOR,
|
||
|
|
GPIO51_nPIOW,
|
||
|
|
GPIO52_nPCE_1,
|
||
|
|
GPIO53_nPCE_2,
|
||
|
|
GPIO54_nPSKTSEL,
|
||
|
|
GPIO55_nPREG,
|
||
|
|
GPIO56_nPWAIT,
|
||
|
|
GPIO57_nIOIS16,
|
||
|
|
|
||
|
|
/* MMC */
|
||
|
|
GPIO6_MMC_CLK,
|
||
|
|
GPIO8_MMC_CS0,
|
||
|
|
|
||
|
|
/* GPIO */
|
||
|
|
GPIO9_GPIO, /* POODLE_GPIO_nSD_DETECT */
|
||
|
|
GPIO7_GPIO, /* POODLE_GPIO_nSD_WP */
|
||
|
|
GPIO3_GPIO, /* POODLE_GPIO_SD_PWR */
|
||
|
|
GPIO33_GPIO, /* POODLE_GPIO_SD_PWR1 */
|
||
|
|
|
||
|
|
GPIO20_GPIO, /* POODLE_GPIO_USB_PULLUP */
|
||
|
|
GPIO22_GPIO, /* POODLE_GPIO_IR_ON */
|
||
|
|
};
|
||
|
|
|
||
|
|
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,
|
||
|
|
.gpio_base = POODLE_SCOOP_GPIO_BASE,
|
||
|
|
};
|
||
|
|
|
||
|
|
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 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,
|
||
|
|
};
|
||
|
|
|
||
|
|
EXPORT_SYMBOL(poodle_scoop_device);
|
||
|
|
|
||
|
|
|
||
|
|
static struct platform_device poodle_audio_device = {
|
||
|
|
.name = "poodle-audio",
|
||
|
|
.id = -1,
|
||
|
|
};
|
||
|
|
|
||
|
|
/* LoCoMo device */
|
||
|
|
static struct resource locomo_resources[] = {
|
||
|
|
[0] = {
|
||
|
|
.start = 0x10000000,
|
||
|
|
.end = 0x10001fff,
|
||
|
|
.flags = IORESOURCE_MEM,
|
||
|
|
},
|
||
|
|
[1] = {
|
||
|
|
.start = PXA_GPIO_TO_IRQ(10),
|
||
|
|
.end = PXA_GPIO_TO_IRQ(10),
|
||
|
|
.flags = IORESOURCE_IRQ,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct locomo_platform_data locomo_info = {
|
||
|
|
.irq_base = IRQ_BOARD_START,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct platform_device poodle_locomo_device = {
|
||
|
|
.name = "locomo",
|
||
|
|
.id = 0,
|
||
|
|
.num_resources = ARRAY_SIZE(locomo_resources),
|
||
|
|
.resource = locomo_resources,
|
||
|
|
.dev = {
|
||
|
|
.platform_data = &locomo_info,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
EXPORT_SYMBOL(poodle_locomo_device);
|
||
|
|
|
||
|
|
#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
|
||
|
|
static struct pxa2xx_spi_master poodle_spi_info = {
|
||
|
|
.num_chipselect = 1,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct ads7846_platform_data poodle_ads7846_info = {
|
||
|
|
.model = 7846,
|
||
|
|
.vref_delay_usecs = 100,
|
||
|
|
.x_plate_ohms = 419,
|
||
|
|
.y_plate_ohms = 486,
|
||
|
|
.gpio_pendown = POODLE_GPIO_TP_INT,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct pxa2xx_spi_chip poodle_ads7846_chip = {
|
||
|
|
.gpio_cs = POODLE_GPIO_TP_CS,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct spi_board_info poodle_spi_devices[] = {
|
||
|
|
{
|
||
|
|
.modalias = "ads7846",
|
||
|
|
.max_speed_hz = 10000,
|
||
|
|
.bus_num = 1,
|
||
|
|
.platform_data = &poodle_ads7846_info,
|
||
|
|
.controller_data= &poodle_ads7846_chip,
|
||
|
|
.irq = PXA_GPIO_TO_IRQ(POODLE_GPIO_TP_INT),
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static void __init poodle_init_spi(void)
|
||
|
|
{
|
||
|
|
pxa2xx_set_spi_info(1, &poodle_spi_info);
|
||
|
|
spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices));
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
static inline void poodle_init_spi(void) {}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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 int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
|
||
|
|
err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
|
||
|
|
if (err)
|
||
|
|
goto err_free_2;
|
||
|
|
|
||
|
|
err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
|
||
|
|
if (err)
|
||
|
|
goto err_free_3;
|
||
|
|
|
||
|
|
gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
|
||
|
|
gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
err_free_3:
|
||
|
|
gpio_free(POODLE_GPIO_SD_PWR);
|
||
|
|
err_free_2:
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int 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) {
|
||
|
|
gpio_set_value(POODLE_GPIO_SD_PWR, 1);
|
||
|
|
mdelay(2);
|
||
|
|
gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
|
||
|
|
} else {
|
||
|
|
gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
|
||
|
|
gpio_set_value(POODLE_GPIO_SD_PWR, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void poodle_mci_exit(struct device *dev, void *data)
|
||
|
|
{
|
||
|
|
gpio_free(POODLE_GPIO_SD_PWR1);
|
||
|
|
gpio_free(POODLE_GPIO_SD_PWR);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct pxamci_platform_data poodle_mci_platform_data = {
|
||
|
|
.detect_delay_ms = 250,
|
||
|
|
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
|
||
|
|
.init = poodle_mci_init,
|
||
|
|
.setpower = poodle_mci_setpower,
|
||
|
|
.exit = poodle_mci_exit,
|
||
|
|
.gpio_card_detect = POODLE_GPIO_nSD_DETECT,
|
||
|
|
.gpio_card_ro = POODLE_GPIO_nSD_WP,
|
||
|
|
.gpio_power = -1,
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Irda
|
||
|
|
*/
|
||
|
|
static struct pxaficp_platform_data poodle_ficp_platform_data = {
|
||
|
|
.gpio_pwdown = POODLE_GPIO_IR_ON,
|
||
|
|
.transceiver_cap = IR_SIRMODE | IR_OFF,
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* USB Device Controller
|
||
|
|
*/
|
||
|
|
static struct pxa2xx_udc_mach_info udc_info __initdata = {
|
||
|
|
/* no connect GPIO; poodle can't tell connection status */
|
||
|
|
.gpio_pullup = POODLE_GPIO_USB_PULLUP,
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
/* PXAFB device */
|
||
|
|
static struct pxafb_mode_info poodle_fb_mode = {
|
||
|
|
.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,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct pxafb_mach_info poodle_fb_info = {
|
||
|
|
.modes = &poodle_fb_mode,
|
||
|
|
.num_modes = 1,
|
||
|
|
.lcd_conn = LCD_COLOR_TFT_16BPP,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct mtd_partition sharpsl_nand_partitions[] = {
|
||
|
|
{
|
||
|
|
.name = "System Area",
|
||
|
|
.offset = 0,
|
||
|
|
.size = 7 * 1024 * 1024,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "Root Filesystem",
|
||
|
|
.offset = 7 * 1024 * 1024,
|
||
|
|
.size = 22 * 1024 * 1024,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "Home Filesystem",
|
||
|
|
.offset = MTDPART_OFS_APPEND,
|
||
|
|
.size = MTDPART_SIZ_FULL,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
|
||
|
|
|
||
|
|
static struct nand_bbt_descr sharpsl_bbt = {
|
||
|
|
.options = 0,
|
||
|
|
.offs = 4,
|
||
|
|
.len = 2,
|
||
|
|
.pattern = scan_ff_pattern
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
|
||
|
|
.badblock_pattern = &sharpsl_bbt,
|
||
|
|
.partitions = sharpsl_nand_partitions,
|
||
|
|
.nr_partitions = ARRAY_SIZE(sharpsl_nand_partitions),
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct resource sharpsl_nand_resources[] = {
|
||
|
|
{
|
||
|
|
.start = 0x0C000000,
|
||
|
|
.end = 0x0C000FFF,
|
||
|
|
.flags = IORESOURCE_MEM,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct platform_device sharpsl_nand_device = {
|
||
|
|
.name = "sharpsl-nand",
|
||
|
|
.id = -1,
|
||
|
|
.resource = sharpsl_nand_resources,
|
||
|
|
.num_resources = ARRAY_SIZE(sharpsl_nand_resources),
|
||
|
|
.dev.platform_data = &sharpsl_nand_platform_data,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct mtd_partition sharpsl_rom_parts[] = {
|
||
|
|
{
|
||
|
|
.name ="Boot PROM Filesystem",
|
||
|
|
.offset = 0x00120000,
|
||
|
|
.size = MTDPART_SIZ_FULL,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct physmap_flash_data sharpsl_rom_data = {
|
||
|
|
.width = 2,
|
||
|
|
.nr_parts = ARRAY_SIZE(sharpsl_rom_parts),
|
||
|
|
.parts = sharpsl_rom_parts,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct resource sharpsl_rom_resources[] = {
|
||
|
|
{
|
||
|
|
.start = 0x00000000,
|
||
|
|
.end = 0x007fffff,
|
||
|
|
.flags = IORESOURCE_MEM,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct platform_device sharpsl_rom_device = {
|
||
|
|
.name = "physmap-flash",
|
||
|
|
.id = -1,
|
||
|
|
.resource = sharpsl_rom_resources,
|
||
|
|
.num_resources = ARRAY_SIZE(sharpsl_rom_resources),
|
||
|
|
.dev.platform_data = &sharpsl_rom_data,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct platform_device *devices[] __initdata = {
|
||
|
|
&poodle_locomo_device,
|
||
|
|
&poodle_scoop_device,
|
||
|
|
&poodle_audio_device,
|
||
|
|
&sharpsl_nand_device,
|
||
|
|
&sharpsl_rom_device,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct i2c_board_info __initdata poodle_i2c_devices[] = {
|
||
|
|
{ I2C_BOARD_INFO("wm8731", 0x1b) },
|
||
|
|
};
|
||
|
|
|
||
|
|
static void poodle_poweroff(void)
|
||
|
|
{
|
||
|
|
pxa_restart(REBOOT_HARD, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __init poodle_init(void)
|
||
|
|
{
|
||
|
|
int ret = 0;
|
||
|
|
|
||
|
|
pm_power_off = poodle_poweroff;
|
||
|
|
|
||
|
|
PCFR |= PCFR_OPDE;
|
||
|
|
|
||
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
|
||
|
|
|
||
|
|
pxa_set_ffuart_info(NULL);
|
||
|
|
pxa_set_btuart_info(NULL);
|
||
|
|
pxa_set_stuart_info(NULL);
|
||
|
|
|
||
|
|
platform_scoop_config = &poodle_pcmcia_config;
|
||
|
|
|
||
|
|
ret = platform_add_devices(devices, ARRAY_SIZE(devices));
|
||
|
|
if (ret)
|
||
|
|
pr_warn("poodle: Unable to register LoCoMo device\n");
|
||
|
|
|
||
|
|
pxa_set_fb_info(&poodle_locomo_device.dev, &poodle_fb_info);
|
||
|
|
pxa_set_udc_info(&udc_info);
|
||
|
|
pxa_set_mci_info(&poodle_mci_platform_data);
|
||
|
|
pxa_set_ficp_info(&poodle_ficp_platform_data);
|
||
|
|
pxa_set_i2c_info(NULL);
|
||
|
|
i2c_register_board_info(0, ARRAY_AND_SIZE(poodle_i2c_devices));
|
||
|
|
poodle_init_spi();
|
||
|
|
regulator_has_full_constraints();
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __init fixup_poodle(struct tag *tags, char **cmdline)
|
||
|
|
{
|
||
|
|
sharpsl_save_param();
|
||
|
|
memblock_add(0xa0000000, SZ_32M);
|
||
|
|
}
|
||
|
|
|
||
|
|
MACHINE_START(POODLE, "SHARP Poodle")
|
||
|
|
.fixup = fixup_poodle,
|
||
|
|
.map_io = pxa25x_map_io,
|
||
|
|
.nr_irqs = POODLE_NR_IRQS, /* 4 for LoCoMo */
|
||
|
|
.init_irq = pxa25x_init_irq,
|
||
|
|
.handle_irq = pxa25x_handle_irq,
|
||
|
|
.init_time = pxa_timer_init,
|
||
|
|
.init_machine = poodle_init,
|
||
|
|
.restart = pxa_restart,
|
||
|
|
MACHINE_END
|