331 lines
7.1 KiB
C
331 lines
7.1 KiB
C
/*
|
|
* linux/arch/arm/mach-omap1/board-palmtt.c
|
|
*
|
|
* Modified from board-palmtt2.c
|
|
*
|
|
* Modified and amended for Palm Tungsten|T
|
|
* by Marek Vasut <marek.vasut@gmail.com>
|
|
*
|
|
* 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/input.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
#include <linux/mtd/physmap.h>
|
|
#include <linux/leds.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <plat/led.h>
|
|
#include <mach/gpio.h>
|
|
#include <plat/flash.h>
|
|
#include <plat/mux.h>
|
|
#include <plat/usb.h>
|
|
#include <plat/dma.h>
|
|
#include <plat/tc.h>
|
|
#include <plat/board.h>
|
|
#include <plat/irda.h>
|
|
#include <plat/keypad.h>
|
|
#include <plat/common.h>
|
|
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/spi/ads7846.h>
|
|
|
|
#define PALMTT_USBDETECT_GPIO 0
|
|
#define PALMTT_CABLE_GPIO 1
|
|
#define PALMTT_LED_GPIO 3
|
|
#define PALMTT_PENIRQ_GPIO 6
|
|
#define PALMTT_MMC_WP_GPIO 8
|
|
#define PALMTT_HDQ_GPIO 11
|
|
|
|
static const unsigned int palmtt_keymap[] = {
|
|
KEY(0, 0, KEY_ESC),
|
|
KEY(1, 0, KEY_SPACE),
|
|
KEY(2, 0, KEY_LEFTCTRL),
|
|
KEY(3, 0, KEY_TAB),
|
|
KEY(4, 0, KEY_ENTER),
|
|
KEY(0, 1, KEY_LEFT),
|
|
KEY(1, 1, KEY_DOWN),
|
|
KEY(2, 1, KEY_UP),
|
|
KEY(3, 1, KEY_RIGHT),
|
|
KEY(0, 2, KEY_SLEEP),
|
|
KEY(4, 2, KEY_Y),
|
|
};
|
|
|
|
static struct mtd_partition palmtt_partitions[] = {
|
|
{
|
|
.name = "write8k",
|
|
.offset = 0,
|
|
.size = SZ_8K,
|
|
.mask_flags = 0,
|
|
},
|
|
{
|
|
.name = "PalmOS-BootLoader(ro)",
|
|
.offset = SZ_8K,
|
|
.size = 7 * SZ_8K,
|
|
.mask_flags = MTD_WRITEABLE,
|
|
},
|
|
{
|
|
.name = "u-boot",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = 8 * SZ_8K,
|
|
.mask_flags = 0,
|
|
},
|
|
{
|
|
.name = "PalmOS-FS(ro)",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = 7 * SZ_1M + 4 * SZ_64K - 16 * SZ_8K,
|
|
.mask_flags = MTD_WRITEABLE,
|
|
},
|
|
{
|
|
.name = "u-boot(rez)",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = SZ_128K,
|
|
.mask_flags = 0
|
|
},
|
|
{
|
|
.name = "empty",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = MTDPART_SIZ_FULL,
|
|
.mask_flags = 0
|
|
}
|
|
};
|
|
|
|
static struct physmap_flash_data palmtt_flash_data = {
|
|
.width = 2,
|
|
.set_vpp = omap1_set_vpp,
|
|
.parts = palmtt_partitions,
|
|
.nr_parts = ARRAY_SIZE(palmtt_partitions),
|
|
};
|
|
|
|
static struct resource palmtt_flash_resource = {
|
|
.start = OMAP_CS0_PHYS,
|
|
.end = OMAP_CS0_PHYS + SZ_8M - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct platform_device palmtt_flash_device = {
|
|
.name = "physmap-flash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &palmtt_flash_data,
|
|
},
|
|
.num_resources = 1,
|
|
.resource = &palmtt_flash_resource,
|
|
};
|
|
|
|
static struct resource palmtt_kp_resources[] = {
|
|
[0] = {
|
|
.start = INT_KEYBOARD,
|
|
.end = INT_KEYBOARD,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static const struct matrix_keymap_data palmtt_keymap_data = {
|
|
.keymap = palmtt_keymap,
|
|
.keymap_size = ARRAY_SIZE(palmtt_keymap),
|
|
};
|
|
|
|
static struct omap_kp_platform_data palmtt_kp_data = {
|
|
.rows = 6,
|
|
.cols = 3,
|
|
.keymap_data = &palmtt_keymap_data,
|
|
};
|
|
|
|
static struct platform_device palmtt_kp_device = {
|
|
.name = "omap-keypad",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palmtt_kp_data,
|
|
},
|
|
.num_resources = ARRAY_SIZE(palmtt_kp_resources),
|
|
.resource = palmtt_kp_resources,
|
|
};
|
|
|
|
static struct platform_device palmtt_lcd_device = {
|
|
.name = "lcd_palmtt",
|
|
.id = -1,
|
|
};
|
|
static struct omap_irda_config palmtt_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 palmtt_irda_resources[] = {
|
|
[0] = {
|
|
.start = INT_UART3,
|
|
.end = INT_UART3,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device palmtt_irda_device = {
|
|
.name = "omapirda",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palmtt_irda_config,
|
|
},
|
|
.num_resources = ARRAY_SIZE(palmtt_irda_resources),
|
|
.resource = palmtt_irda_resources,
|
|
};
|
|
|
|
static struct platform_device palmtt_spi_device = {
|
|
.name = "spi_palmtt",
|
|
.id = -1,
|
|
};
|
|
|
|
static struct omap_backlight_config palmtt_backlight_config = {
|
|
.default_intensity = 0xa0,
|
|
};
|
|
|
|
static struct platform_device palmtt_backlight_device = {
|
|
.name = "omap-bl",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data= &palmtt_backlight_config,
|
|
},
|
|
};
|
|
|
|
static struct omap_led_config palmtt_led_config[] = {
|
|
{
|
|
.cdev = {
|
|
.name = "palmtt:led0",
|
|
},
|
|
.gpio = PALMTT_LED_GPIO,
|
|
},
|
|
};
|
|
|
|
static struct omap_led_platform_data palmtt_led_data = {
|
|
.nr_leds = ARRAY_SIZE(palmtt_led_config),
|
|
.leds = palmtt_led_config,
|
|
};
|
|
|
|
static struct platform_device palmtt_led_device = {
|
|
.name = "omap-led",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palmtt_led_data,
|
|
},
|
|
};
|
|
|
|
static struct platform_device *palmtt_devices[] __initdata = {
|
|
&palmtt_flash_device,
|
|
&palmtt_kp_device,
|
|
&palmtt_lcd_device,
|
|
&palmtt_irda_device,
|
|
&palmtt_spi_device,
|
|
&palmtt_backlight_device,
|
|
&palmtt_led_device,
|
|
};
|
|
|
|
static int palmtt_get_pendown_state(void)
|
|
{
|
|
return !gpio_get_value(6);
|
|
}
|
|
|
|
static const struct ads7846_platform_data palmtt_ts_info = {
|
|
.model = 7846,
|
|
.vref_delay_usecs = 100, /* internal, no capacitor */
|
|
.x_plate_ohms = 419,
|
|
.y_plate_ohms = 486,
|
|
.get_pendown_state = palmtt_get_pendown_state,
|
|
};
|
|
|
|
static struct spi_board_info __initdata palmtt_boardinfo[] = {
|
|
{
|
|
/* MicroWire (bus 2) CS0 has an ads7846e */
|
|
.modalias = "ads7846",
|
|
.platform_data = &palmtt_ts_info,
|
|
.irq = OMAP_GPIO_IRQ(6),
|
|
.max_speed_hz = 120000 /* max sample rate at 3V */
|
|
* 26 /* command + data + overhead */,
|
|
.bus_num = 2,
|
|
.chip_select = 0,
|
|
}
|
|
};
|
|
|
|
static void __init omap_palmtt_init_irq(void)
|
|
{
|
|
omap1_init_common_hw();
|
|
omap_init_irq();
|
|
}
|
|
|
|
static struct omap_usb_config palmtt_usb_config __initdata = {
|
|
.register_dev = 1,
|
|
.hmc_mode = 0,
|
|
.pins[0] = 2,
|
|
};
|
|
|
|
static struct omap_lcd_config palmtt_lcd_config __initdata = {
|
|
.ctrl_name = "internal",
|
|
};
|
|
|
|
static struct omap_board_config_kernel palmtt_config[] __initdata = {
|
|
{ OMAP_TAG_LCD, &palmtt_lcd_config },
|
|
};
|
|
|
|
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 omap_palmtt_init(void)
|
|
{
|
|
/* mux pins for uarts */
|
|
omap_cfg_reg(UART1_TX);
|
|
omap_cfg_reg(UART1_RTS);
|
|
omap_cfg_reg(UART2_TX);
|
|
omap_cfg_reg(UART2_RTS);
|
|
omap_cfg_reg(UART3_TX);
|
|
omap_cfg_reg(UART3_RX);
|
|
|
|
omap_mpu_wdt_mode(0);
|
|
|
|
omap_board_config = palmtt_config;
|
|
omap_board_config_size = ARRAY_SIZE(palmtt_config);
|
|
|
|
platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices));
|
|
|
|
spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo));
|
|
omap_serial_init();
|
|
omap1_usb_init(&palmtt_usb_config);
|
|
omap_register_i2c_bus(1, 100, NULL, 0);
|
|
}
|
|
|
|
static void __init omap_palmtt_map_io(void)
|
|
{
|
|
omap1_map_common_io();
|
|
}
|
|
|
|
MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten|T")
|
|
.boot_params = 0x10000100,
|
|
.map_io = omap_palmtt_map_io,
|
|
.reserve = omap_reserve,
|
|
.init_irq = omap_palmtt_init_irq,
|
|
.init_machine = omap_palmtt_init,
|
|
.timer = &omap_timer,
|
|
MACHINE_END
|