diff options
Diffstat (limited to 'arch/arm/mach-omap1/board-palmz71.c')
| -rw-r--r-- | arch/arm/mach-omap1/board-palmz71.c | 383 |
1 files changed, 383 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-palmz71.c b/arch/arm/mach-omap1/board-palmz71.c new file mode 100644 index 00000000000..c275d517764 --- /dev/null +++ b/arch/arm/mach-omap1/board-palmz71.c @@ -0,0 +1,383 @@ +/* + * linux/arch/arm/mach-omap1/board-palmz71.c + * + * Modified from board-generic.c + * + * Support for the Palm Zire71 PDA. + * + * Original version : Laurent Gonzalez + * + * Modified for zire71 : Marek Vasut + * + * 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. + */ + +#include <linux/delay.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/notifier.h> +#include <linux/clk.h> +#include <linux/irq.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> + +#include <asm/hardware.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/flash.h> + +#include <asm/arch/mcbsp.h> +#include <asm/arch/gpio.h> +#include <asm/arch/mux.h> +#include <asm/arch/usb.h> +#include <asm/arch/dma.h> +#include <asm/arch/tc.h> +#include <asm/arch/board.h> +#include <asm/arch/irda.h> +#include <asm/arch/keypad.h> +#include <asm/arch/common.h> +#include <asm/arch/omap-alsa.h> + +#include <linux/input.h> +#include <linux/spi/spi.h> +#include <linux/spi/ads7846.h> + +static void __init +omap_palmz71_init_irq(void) +{ + omap1_init_common_hw(); + omap_init_irq(); + omap_gpio_init(); +} + +static int palmz71_keymap[] = { + KEY(0, 0, KEY_F1), + KEY(0, 1, KEY_F2), + KEY(0, 2, KEY_F3), + KEY(0, 3, KEY_F4), + KEY(0, 4, KEY_POWER), + KEY(1, 0, KEY_LEFT), + KEY(1, 1, KEY_DOWN), + KEY(1, 2, KEY_UP), + KEY(1, 3, KEY_RIGHT), + KEY(1, 4, KEY_CENTER), + KEY(2, 0, KEY_CAMERA), + 0, +}; + +static struct omap_kp_platform_data palmz71_kp_data = { + .rows = 8, + .cols = 8, + .keymap = palmz71_keymap, + .rep = 1, + .delay = 80, +}; + +static struct resource palmz71_kp_resources[] = { + [0] = { + .start = INT_KEYBOARD, + .end = INT_KEYBOARD, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device palmz71_kp_device = { + .name = "omap-keypad", + .id = -1, + .dev = { + .platform_data = &palmz71_kp_data, + }, + .num_resources = ARRAY_SIZE(palmz71_kp_resources), + .resource = palmz71_kp_resources, +}; + +static struct mtd_partition palmz71_rom_partitions[] = { + /* PalmOS "Small ROM", contains the bootloader and the debugger */ + { + .name = "smallrom", + .offset = 0, + .size = 0xa000, + .mask_flags = MTD_WRITEABLE, + }, + /* PalmOS "Big ROM", a filesystem with all the OS code and data */ + { + .name = "bigrom", + .offset = SZ_128K, + /* + * 0x5f0000 bytes big in the multi-language ("EFIGS") version, + * 0x7b0000 bytes in the English-only ("enUS") version. + */ + .size = 0x7b0000, + .mask_flags = MTD_WRITEABLE, + }, +}; + +static struct flash_platform_data palmz71_rom_data = { + .map_name = "map_rom", + .name = "onboardrom", + .width = 2, + .parts = palmz71_rom_partitions, + .nr_parts = ARRAY_SIZE(palmz71_rom_partitions), +}; + +static struct resource palmz71_rom_resource = { + .start = OMAP_CS0_PHYS, + .end = OMAP_CS0_PHYS + SZ_8M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device palmz71_rom_device = { + .name = "omapflash", + .id = -1, + .dev = { + .platform_data = &palmz71_rom_data, + }, + .num_resources = 1, + .resource = &palmz71_rom_resource, +}; + +static struct platform_device palmz71_lcd_device = { + .name = "lcd_palmz71", + .id = -1, +}; + +static struct omap_irda_config palmz71_irda_config = { + .transceiver_cap = IR_SIRMODE, + .rx_channel = OMAP_DMA_UART3_RX, + .tx_channel = OMAP_DMA_UART3_TX, + .dest_start = UART3_THR, + .src_start = UART3_RHR, + .tx_trigger = 0, + .rx_trigger = 0, +}; + +static struct resource palmz71_irda_resources[] = { + [0] = { + .start = INT_UART3, + .end = INT_UART3, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device palmz71_irda_device = { + .name = "omapirda", + .id = -1, + .dev = { + .platform_data = &palmz71_irda_config, + }, + .num_resources = ARRAY_SIZE(palmz71_irda_resources), + .resource = palmz71_irda_resources, +}; + +static struct platform_device palmz71_spi_device = { + .name = "spi_palmz71", + .id = -1, +}; + +#define DEFAULT_BITPERSAMPLE 16 + +static struct omap_mcbsp_reg_cfg mcbsp_regs = { + .spcr2 = FREE | FRST | GRST | XRST | XINTM(3), + .spcr1 = RINTM(3) | RRST, + .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) | + RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0), + .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16), + .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) | + XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG, + .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16), + .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1), + .srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1), + .pcr0 = CLKXP | CLKRP, /* mcbsp: slave */ +}; + +static struct omap_alsa_codec_config alsa_config = { + .name = "PalmZ71 AIC23", + .mcbsp_regs_alsa = &mcbsp_regs, + .codec_configure_dev = NULL, /* aic23_configure */ + .codec_set_samplerate = NULL, /* aic23_set_samplerate */ + .codec_clock_setup = NULL, /* aic23_clock_setup */ + .codec_clock_on = NULL, /* aic23_clock_on */ + .codec_clock_off = NULL, /* aic23_clock_off */ + .get_default_samplerate = NULL, /* aic23_get_default_samplerate */ +}; + +static struct platform_device palmz71_mcbsp1_device = { + .name = "omap_alsa_mcbsp", + .id = 1, + .dev = { + .platform_data = &alsa_config, + }, +}; + +static struct omap_backlight_config palmz71_backlight_config = { + .default_intensity = 0xa0, +}; + +static struct platform_device palmz71_backlight_device = { + .name = "omap-bl", + .id = -1, + .dev = { + .platform_data = &palmz71_backlight_config, + }, +}; + +static struct platform_device *devices[] __initdata = { + &palmz71_rom_device, + &palmz71_kp_device, + &palmz71_mcbsp1_device, + &palmz71_lcd_device, + &palmz71_irda_device, + &palmz71_spi_device, + &palmz71_backlight_device, +}; + +static int +palmz71_get_pendown_state(void) +{ + return !omap_get_gpio_datain(PALMZ71_PENIRQ_GPIO); +} + +static const struct ads7846_platform_data palmz71_ts_info = { + .model = 7846, + .vref_delay_usecs = 100, /* internal, no capacitor */ + .x_plate_ohms = 419, + .y_plate_ohms = 486, + .get_pendown_state = palmz71_get_pendown_state, +}; + +static struct spi_board_info __initdata palmz71_boardinfo[] = { { + /* MicroWire (bus 2) CS0 has an ads7846e */ + .modalias = "ads7846", + .platform_data = &palmz71_ts_info, + .irq = OMAP_GPIO_IRQ(PALMZ71_PENIRQ_GPIO), + .max_speed_hz = 120000 /* max sample rate at 3V */ + * 26 /* command + data + overhead */, + .bus_num = 2, + .chip_select = 0, +} }; + +static struct omap_usb_config palmz71_usb_config __initdata = { + .register_dev = 1, /* Mini-B only receptacle */ + .hmc_mode = 0, + .pins[0] = 2, +}; + +static struct omap_mmc_config palmz71_mmc_config __initdata = { + .mmc[0] = { + .enabled = 1, + .wire4 = 0, + .wp_pin = PALMZ71_MMC_WP_GPIO, + .power_pin = -1, + .switch_pin = PALMZ71_MMC_IN_GPIO, + }, +}; + +static struct omap_lcd_config palmz71_lcd_config __initdata = { + .ctrl_name = "internal", +}; + +static struct omap_uart_config palmz71_uart_config __initdata = { + .enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2), +}; + +static struct omap_board_config_kernel palmz71_config[] = { + {OMAP_TAG_USB, &palmz71_usb_config}, + {OMAP_TAG_MMC, &palmz71_mmc_config}, + {OMAP_TAG_LCD, &palmz71_lcd_config}, + {OMAP_TAG_UART, &palmz71_uart_config}, +}; + +static irqreturn_t +palmz71_powercable(int irq, void *dev_id) +{ + if (omap_get_gpio_datain(PALMZ71_USBDETECT_GPIO)) { + printk(KERN_INFO "PM: Power cable connected\n"); + set_irq_type(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO), + IRQT_FALLING); + } else { + printk(KERN_INFO "PM: Power cable disconnected\n"); + set_irq_type(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO), + IRQT_RISING); + } + return IRQ_HANDLED; +} + +static void __init +omap_mpu_wdt_mode(int mode) +{ + if (mode) + omap_writew(0x8000, OMAP_WDT_TIMER_MODE); + else { + omap_writew(0x00f5, OMAP_WDT_TIMER_MODE); + omap_writew(0x00a0, OMAP_WDT_TIMER_MODE); + } +} + +static void __init +palmz71_gpio_setup(int early) +{ + if (early) { + /* Only set GPIO1 so we have a working serial */ + omap_set_gpio_dataout(1, 1); + omap_set_gpio_direction(1, 0); + } else { + /* Set MMC/SD host WP pin as input */ + if (omap_request_gpio(PALMZ71_MMC_WP_GPIO)) { + printk(KERN_ERR "Could not reserve WP GPIO!\n"); + return; + } + omap_set_gpio_direction(PALMZ71_MMC_WP_GPIO, 1); + + /* Monitor the Power-cable-connected signal */ + if (omap_request_gpio(PALMZ71_USBDETECT_GPIO)) { + printk(KERN_ERR + "Could not reserve cable signal GPIO!\n"); + return; + } + omap_set_gpio_direction(PALMZ71_USBDETECT_GPIO, 1); + if (request_irq(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO), + palmz71_powercable, IRQF_SAMPLE_RANDOM, + "palmz71-cable", 0)) + printk(KERN_ERR + "IRQ request for power cable failed!\n"); + palmz71_powercable(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO), 0); + } +} + +static void __init +omap_palmz71_init(void) +{ + palmz71_gpio_setup(1); + omap_mpu_wdt_mode(0); + + omap_board_config = palmz71_config; + omap_board_config_size = ARRAY_SIZE(palmz71_config); + + platform_add_devices(devices, ARRAY_SIZE(devices)); + + spi_register_board_info(palmz71_boardinfo, + ARRAY_SIZE(palmz71_boardinfo)); + omap_serial_init(); + palmz71_gpio_setup(0); +} + +static void __init +omap_palmz71_map_io(void) +{ + omap1_map_common_io(); +} + +MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71") + .phys_io = 0xfff00000, + .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, + .boot_params = 0x10000100,.map_io = omap_palmz71_map_io, + .init_irq = omap_palmz71_init_irq, + .init_machine = omap_palmz71_init, + .timer = &omap_timer, +MACHINE_END |