mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-10-31 16:38:31 +00:00
329 lines
7.1 KiB
C
329 lines
7.1 KiB
C
/*
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* linux/arch/arm/mach-omap1/board-palmtt.c
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*
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* Modified from board-palmtt2.c
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*
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* Modified and amended for Palm Tungsten|T
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* by Marek Vasut <marek.vasut@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/delay.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/notifier.h>
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#include <linux/clk.h>
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#include <linux/input.h>
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#include <linux/interrupt.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <linux/leds.h>
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#include <mach/hardware.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <plat/led.h>
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#include <mach/gpio.h>
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#include <plat/flash.h>
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#include <plat/mux.h>
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#include <plat/usb.h>
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#include <plat/dma.h>
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#include <plat/tc.h>
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#include <plat/board.h>
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#include <plat/irda.h>
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#include <plat/keypad.h>
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#include <plat/common.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/ads7846.h>
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#define PALMTT_USBDETECT_GPIO 0
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#define PALMTT_CABLE_GPIO 1
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#define PALMTT_LED_GPIO 3
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#define PALMTT_PENIRQ_GPIO 6
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#define PALMTT_MMC_WP_GPIO 8
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#define PALMTT_HDQ_GPIO 11
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static int palmtt_keymap[] = {
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KEY(0, 0, KEY_ESC),
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KEY(0, 1, KEY_SPACE),
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KEY(0, 2, KEY_LEFTCTRL),
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KEY(0, 3, KEY_TAB),
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KEY(0, 4, KEY_ENTER),
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KEY(1, 0, KEY_LEFT),
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KEY(1, 1, KEY_DOWN),
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KEY(1, 2, KEY_UP),
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KEY(1, 3, KEY_RIGHT),
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KEY(2, 0, KEY_SLEEP),
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KEY(2, 4, KEY_Y),
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0
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};
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static struct mtd_partition palmtt_partitions[] = {
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{
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.name = "write8k",
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.offset = 0,
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.size = SZ_8K,
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.mask_flags = 0,
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},
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{
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.name = "PalmOS-BootLoader(ro)",
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.offset = SZ_8K,
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.size = 7 * SZ_8K,
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.mask_flags = MTD_WRITEABLE,
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},
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{
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.name = "u-boot",
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.offset = MTDPART_OFS_APPEND,
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.size = 8 * SZ_8K,
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.mask_flags = 0,
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},
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{
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.name = "PalmOS-FS(ro)",
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.offset = MTDPART_OFS_APPEND,
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.size = 7 * SZ_1M + 4 * SZ_64K - 16 * SZ_8K,
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.mask_flags = MTD_WRITEABLE,
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},
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{
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.name = "u-boot(rez)",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_128K,
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.mask_flags = 0
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},
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{
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.name = "empty",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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.mask_flags = 0
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}
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};
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static struct physmap_flash_data palmtt_flash_data = {
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.width = 2,
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.set_vpp = omap1_set_vpp,
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.parts = palmtt_partitions,
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.nr_parts = ARRAY_SIZE(palmtt_partitions),
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};
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static struct resource palmtt_flash_resource = {
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.start = OMAP_CS0_PHYS,
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.end = OMAP_CS0_PHYS + SZ_8M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device palmtt_flash_device = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &palmtt_flash_data,
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},
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.num_resources = 1,
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.resource = &palmtt_flash_resource,
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};
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static struct resource palmtt_kp_resources[] = {
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[0] = {
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.start = INT_KEYBOARD,
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.end = INT_KEYBOARD,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct omap_kp_platform_data palmtt_kp_data = {
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.rows = 6,
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.cols = 3,
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.keymap = palmtt_keymap,
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};
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static struct platform_device palmtt_kp_device = {
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.name = "omap-keypad",
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.id = -1,
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.dev = {
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.platform_data = &palmtt_kp_data,
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},
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.num_resources = ARRAY_SIZE(palmtt_kp_resources),
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.resource = palmtt_kp_resources,
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};
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static struct platform_device palmtt_lcd_device = {
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.name = "lcd_palmtt",
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.id = -1,
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};
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static struct omap_irda_config palmtt_irda_config = {
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.transceiver_cap = IR_SIRMODE,
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.rx_channel = OMAP_DMA_UART3_RX,
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.tx_channel = OMAP_DMA_UART3_TX,
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.dest_start = UART3_THR,
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.src_start = UART3_RHR,
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.tx_trigger = 0,
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.rx_trigger = 0,
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};
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static struct resource palmtt_irda_resources[] = {
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[0] = {
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.start = INT_UART3,
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.end = INT_UART3,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device palmtt_irda_device = {
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.name = "omapirda",
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.id = -1,
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.dev = {
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.platform_data = &palmtt_irda_config,
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},
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.num_resources = ARRAY_SIZE(palmtt_irda_resources),
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.resource = palmtt_irda_resources,
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};
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static struct platform_device palmtt_spi_device = {
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.name = "spi_palmtt",
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.id = -1,
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};
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static struct omap_backlight_config palmtt_backlight_config = {
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.default_intensity = 0xa0,
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};
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static struct platform_device palmtt_backlight_device = {
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.name = "omap-bl",
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.id = -1,
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.dev = {
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.platform_data= &palmtt_backlight_config,
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},
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};
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static struct omap_led_config palmtt_led_config[] = {
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{
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.cdev = {
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.name = "palmtt:led0",
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},
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.gpio = PALMTT_LED_GPIO,
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},
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};
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static struct omap_led_platform_data palmtt_led_data = {
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.nr_leds = ARRAY_SIZE(palmtt_led_config),
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.leds = palmtt_led_config,
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};
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static struct platform_device palmtt_led_device = {
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.name = "omap-led",
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.id = -1,
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.dev = {
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.platform_data = &palmtt_led_data,
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},
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};
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static struct platform_device *palmtt_devices[] __initdata = {
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&palmtt_flash_device,
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&palmtt_kp_device,
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&palmtt_lcd_device,
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&palmtt_irda_device,
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&palmtt_spi_device,
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&palmtt_backlight_device,
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&palmtt_led_device,
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};
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static int palmtt_get_pendown_state(void)
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{
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return !gpio_get_value(6);
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}
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static const struct ads7846_platform_data palmtt_ts_info = {
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.model = 7846,
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.vref_delay_usecs = 100, /* internal, no capacitor */
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.x_plate_ohms = 419,
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.y_plate_ohms = 486,
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.get_pendown_state = palmtt_get_pendown_state,
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};
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static struct spi_board_info __initdata palmtt_boardinfo[] = {
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{
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/* MicroWire (bus 2) CS0 has an ads7846e */
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.modalias = "ads7846",
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.platform_data = &palmtt_ts_info,
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.irq = OMAP_GPIO_IRQ(6),
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.max_speed_hz = 120000 /* max sample rate at 3V */
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* 26 /* command + data + overhead */,
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.bus_num = 2,
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.chip_select = 0,
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}
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};
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static void __init omap_palmtt_init_irq(void)
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{
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omap1_init_common_hw();
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omap_init_irq();
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}
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static struct omap_usb_config palmtt_usb_config __initdata = {
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.register_dev = 1,
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.hmc_mode = 0,
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.pins[0] = 2,
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};
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static struct omap_lcd_config palmtt_lcd_config __initdata = {
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.ctrl_name = "internal",
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};
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static struct omap_board_config_kernel palmtt_config[] __initdata = {
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{ OMAP_TAG_LCD, &palmtt_lcd_config },
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};
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static void __init omap_mpu_wdt_mode(int mode) {
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if (mode)
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omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
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else {
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omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
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omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
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}
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}
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static void __init omap_palmtt_init(void)
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{
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/* mux pins for uarts */
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omap_cfg_reg(UART1_TX);
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omap_cfg_reg(UART1_RTS);
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omap_cfg_reg(UART2_TX);
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omap_cfg_reg(UART2_RTS);
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omap_cfg_reg(UART3_TX);
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omap_cfg_reg(UART3_RX);
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omap_mpu_wdt_mode(0);
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omap_board_config = palmtt_config;
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omap_board_config_size = ARRAY_SIZE(palmtt_config);
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platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices));
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spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo));
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omap_serial_init();
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omap_usb_init(&palmtt_usb_config);
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omap_register_i2c_bus(1, 100, NULL, 0);
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}
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static void __init omap_palmtt_map_io(void)
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{
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omap1_map_common_io();
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}
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MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten|T")
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.phys_io = 0xfff00000,
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.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
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.boot_params = 0x10000100,
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.map_io = omap_palmtt_map_io,
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.reserve = omap_reserve,
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.init_irq = omap_palmtt_init_irq,
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.init_machine = omap_palmtt_init,
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.timer = &omap_timer,
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MACHINE_END
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