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-rw-r--r--arch/arm/mach-pxa/poodle.c471
1 files changed, 471 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
new file mode 100644
index 000000000..3a4ecc3c8
--- /dev/null
+++ b/arch/arm/mach-pxa/poodle.c
@@ -0,0 +1,471 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * 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
+ *
+ * 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/gpio/machine.h>
+#include <linux/i2c.h>
+#include <linux/platform_data/i2c-pxa.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_controller 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,
+};
+
+static struct gpiod_lookup_table poodle_mci_gpio_table = {
+ .dev_id = "pxa2xx-mci.0",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", POODLE_GPIO_nSD_DETECT,
+ "cd", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("gpio-pxa", POODLE_GPIO_nSD_WP,
+ "wp", GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
+/*
+ * 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 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 const char * const probes[] = {
+ "cmdlinepart",
+ "ofpart",
+ "sharpslpart",
+ NULL,
+};
+
+static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
+ .badblock_pattern = &sharpsl_bbt,
+ .part_parsers = probes,
+};
+
+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);
+ gpiod_add_lookup_table(&poodle_mci_gpio_table);
+ 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
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