diff options
Diffstat (limited to 'kernel/arch/arm/mach-pxa/poodle.c')
| -rw-r--r-- | kernel/arch/arm/mach-pxa/poodle.c | 477 |
1 files changed, 477 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-pxa/poodle.c b/kernel/arch/arm/mach-pxa/poodle.c new file mode 100644 index 000000000..195b1121c --- /dev/null +++ b/kernel/arch/arm/mach-pxa/poodle.c @@ -0,0 +1,477 @@ +/* + * 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 <mach/pxa25x.h> +#include <linux/platform_data/mmc-pxamci.h> +#include <mach/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 |