| /* |
| * 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 <linux/delay.h> |
| #include <linux/mtd/physmap.h> |
| #include <linux/gpio.h> |
| #include <linux/spi/spi.h> |
| #include <linux/spi/ads7846.h> |
| #include <linux/mtd/sharpsl.h> |
| |
| #include <mach/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 <mach/pxa-regs.h> |
| #include <mach/pxa2xx-regs.h> |
| #include <mach/mfp-pxa25x.h> |
| #include <mach/mmc.h> |
| #include <mach/udc.h> |
| #include <mach/i2c.h> |
| #include <mach/irda.h> |
| #include <mach/poodle.h> |
| #include <mach/pxafb.h> |
| #include <mach/sharpsl.h> |
| #include <mach/ssp.h> |
| #include <mach/pxa2xx_spi.h> |
| |
| #include <asm/hardware/scoop.h> |
| #include <asm/hardware/locomo.h> |
| #include <asm/mach/sharpsl_param.h> |
| |
| #include "generic.h" |
| #include "devices.h" |
| #include "sharpsl.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 */ |
| GPIO58_LCD_LDD_0, |
| GPIO59_LCD_LDD_1, |
| GPIO60_LCD_LDD_2, |
| GPIO61_LCD_LDD_3, |
| GPIO62_LCD_LDD_4, |
| GPIO63_LCD_LDD_5, |
| GPIO64_LCD_LDD_6, |
| GPIO65_LCD_LDD_7, |
| GPIO66_LCD_LDD_8, |
| GPIO67_LCD_LDD_9, |
| GPIO68_LCD_LDD_10, |
| GPIO69_LCD_LDD_11, |
| GPIO70_LCD_LDD_12, |
| GPIO71_LCD_LDD_13, |
| GPIO72_LCD_LDD_14, |
| GPIO73_LCD_LDD_15, |
| GPIO74_LCD_FCLK, |
| GPIO75_LCD_LCLK, |
| GPIO76_LCD_PCLK, |
| GPIO77_LCD_BIAS, |
| |
| /* 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); |
| |
| |
| /* 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, |
| }, |
| }; |
| |
| struct platform_device poodle_locomo_device = { |
| .name = "locomo", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(locomo_resources), |
| .resource = locomo_resources, |
| }; |
| |
| 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 void ads7846_cs(u32 command) |
| { |
| gpio_set_value(POODLE_GPIO_TP_CS, !(command == PXA2XX_CS_ASSERT)); |
| } |
| |
| static struct pxa2xx_spi_chip poodle_ads7846_chip = { |
| .cs_control = ads7846_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 = gpio_to_irq(POODLE_GPIO_TP_INT), |
| }, |
| }; |
| |
| static void __init poodle_init_spi(void) |
| { |
| int err; |
| |
| err = gpio_request(POODLE_GPIO_TP_CS, "ADS7846_CS"); |
| if (err) |
| return; |
| |
| gpio_direction_output(POODLE_GPIO_TP_CS, 1); |
| |
| 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 struct pxamci_platform_data poodle_mci_platform_data; |
| |
| static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data) |
| { |
| int err; |
| |
| err = gpio_request(POODLE_GPIO_nSD_DETECT, "nSD_DETECT"); |
| if (err) |
| goto err_out; |
| |
| err = gpio_request(POODLE_GPIO_nSD_WP, "nSD_WP"); |
| if (err) |
| goto err_free_1; |
| |
| 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_input(POODLE_GPIO_nSD_DETECT); |
| gpio_direction_input(POODLE_GPIO_nSD_WP); |
| |
| gpio_direction_output(POODLE_GPIO_SD_PWR, 0); |
| gpio_direction_output(POODLE_GPIO_SD_PWR1, 0); |
| |
| poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250); |
| |
| err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int, |
| IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, |
| "MMC card detect", data); |
| if (err) { |
| pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n", |
| __func__); |
| goto err_free_4; |
| } |
| |
| return 0; |
| |
| err_free_4: |
| gpio_free(POODLE_GPIO_SD_PWR1); |
| err_free_3: |
| gpio_free(POODLE_GPIO_SD_PWR); |
| err_free_2: |
| gpio_free(POODLE_GPIO_nSD_WP); |
| err_free_1: |
| gpio_free(POODLE_GPIO_nSD_DETECT); |
| err_out: |
| return err; |
| } |
| |
| 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) { |
| 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); |
| } |
| } |
| |
| static int poodle_mci_get_ro(struct device *dev) |
| { |
| return !!gpio_get_value(POODLE_GPIO_nSD_WP); |
| return GPLR(POODLE_GPIO_nSD_WP) & GPIO_bit(POODLE_GPIO_nSD_WP); |
| } |
| |
| |
| static void poodle_mci_exit(struct device *dev, void *data) |
| { |
| free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data); |
| gpio_free(POODLE_GPIO_SD_PWR1); |
| gpio_free(POODLE_GPIO_SD_PWR); |
| gpio_free(POODLE_GPIO_nSD_WP); |
| gpio_free(POODLE_GPIO_nSD_DETECT); |
| } |
| |
| static struct pxamci_platform_data poodle_mci_platform_data = { |
| .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
| .init = poodle_mci_init, |
| .get_ro = poodle_mci_get_ro, |
| .setpower = poodle_mci_setpower, |
| .exit = poodle_mci_exit, |
| }; |
| |
| |
| /* |
| * Irda |
| */ |
| static void poodle_irda_transceiver_mode(struct device *dev, int mode) |
| { |
| gpio_set_value(POODLE_GPIO_IR_ON, mode & IR_OFF); |
| pxa2xx_transceiver_mode(dev, mode); |
| } |
| |
| static int poodle_irda_startup(struct device *dev) |
| { |
| int err; |
| |
| err = gpio_request(POODLE_GPIO_IR_ON, "IR_ON"); |
| if (err) |
| return err; |
| |
| gpio_direction_output(POODLE_GPIO_IR_ON, 1); |
| return 0; |
| } |
| |
| static void poodle_irda_shutdown(struct device *dev) |
| { |
| gpio_free(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, |
| .startup = poodle_irda_startup, |
| .shutdown = poodle_irda_shutdown, |
| }; |
| |
| |
| /* |
| * 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, |
| &sharpsl_nand_device, |
| &sharpsl_rom_device, |
| }; |
| |
| static void poodle_poweroff(void) |
| { |
| arm_machine_restart('h'); |
| } |
| |
| static void poodle_restart(char mode) |
| { |
| arm_machine_restart('h'); |
| } |
| |
| static void __init poodle_init(void) |
| { |
| int ret = 0; |
| |
| pm_power_off = poodle_poweroff; |
| arm_pm_restart = poodle_restart; |
| |
| PCFR |= PCFR_OPDE; |
| |
| pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config)); |
| |
| platform_scoop_config = &poodle_pcmcia_config; |
| |
| ret = platform_add_devices(devices, ARRAY_SIZE(devices)); |
| if (ret) |
| pr_warning("poodle: Unable to register LoCoMo device\n"); |
| |
| set_pxa_fb_parent(&poodle_locomo_device.dev); |
| set_pxa_fb_info(&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); |
| poodle_init_spi(); |
| } |
| |
| 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 = pxa25x_init_irq, |
| .timer = &pxa_timer, |
| .init_machine = poodle_init, |
| MACHINE_END |