295 lines
6.9 KiB
C
295 lines
6.9 KiB
C
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/*
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* linux/arch/arm/mach-omap1/board-ams-delta.c
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*
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* Modified from board-generic.c
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*
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* Board specific inits for the Amstrad E3 (codename Delta) videophone
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*
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* Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
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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/kernel.h>
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#include <linux/init.h>
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#include <linux/input.h>
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#include <linux/interrupt.h>
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#include <linux/platform_device.h>
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#include <linux/serial_8250.h>
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#include <asm/serial.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 <mach/board-ams-delta.h>
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#include <mach/gpio.h>
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#include <mach/keypad.h>
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#include <mach/mux.h>
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#include <mach/usb.h>
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#include <mach/board.h>
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#include <mach/common.h>
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static u8 ams_delta_latch1_reg;
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static u16 ams_delta_latch2_reg;
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static int ams_delta_keymap[] = {
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KEY(0, 0, KEY_F1), /* Advert */
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KEY(3, 0, KEY_COFFEE), /* Games */
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KEY(2, 0, KEY_QUESTION), /* Directory */
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KEY(3, 2, KEY_CONNECT), /* Internet */
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KEY(2, 1, KEY_SHOP), /* Services */
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KEY(1, 1, KEY_PHONE), /* VoiceMail */
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KEY(1, 0, KEY_DELETE), /* Delete */
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KEY(2, 2, KEY_PLAY), /* Play */
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KEY(0, 1, KEY_PAGEUP), /* Up */
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KEY(3, 1, KEY_PAGEDOWN), /* Down */
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KEY(0, 2, KEY_EMAIL), /* ReadEmail */
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KEY(1, 2, KEY_STOP), /* Stop */
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/* Numeric keypad portion */
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KEY(7, 0, KEY_KP1),
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KEY(6, 0, KEY_KP2),
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KEY(5, 0, KEY_KP3),
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KEY(7, 1, KEY_KP4),
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KEY(6, 1, KEY_KP5),
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KEY(5, 1, KEY_KP6),
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KEY(7, 2, KEY_KP7),
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KEY(6, 2, KEY_KP8),
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KEY(5, 2, KEY_KP9),
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KEY(6, 3, KEY_KP0),
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KEY(7, 3, KEY_KPASTERISK),
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KEY(5, 3, KEY_KPDOT), /* # key */
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KEY(2, 7, KEY_NUMLOCK), /* Mute */
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KEY(1, 7, KEY_KPMINUS), /* Recall */
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KEY(1, 6, KEY_KPPLUS), /* Redial */
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KEY(6, 7, KEY_KPSLASH), /* Handsfree */
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KEY(0, 6, KEY_ENTER), /* Video */
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KEY(4, 7, KEY_CAMERA), /* Photo */
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KEY(4, 0, KEY_F2), /* Home */
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KEY(4, 1, KEY_F3), /* Office */
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KEY(4, 2, KEY_F4), /* Mobile */
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KEY(7, 7, KEY_F5), /* SMS */
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KEY(5, 7, KEY_F6), /* Email */
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/* QWERTY portion of keypad */
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KEY(4, 3, KEY_Q),
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KEY(3, 3, KEY_W),
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KEY(2, 3, KEY_E),
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KEY(1, 3, KEY_R),
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KEY(0, 3, KEY_T),
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KEY(7, 4, KEY_Y),
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KEY(6, 4, KEY_U),
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KEY(5, 4, KEY_I),
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KEY(4, 4, KEY_O),
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KEY(3, 4, KEY_P),
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KEY(2, 4, KEY_A),
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KEY(1, 4, KEY_S),
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KEY(0, 4, KEY_D),
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KEY(7, 5, KEY_F),
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KEY(6, 5, KEY_G),
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KEY(5, 5, KEY_H),
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KEY(4, 5, KEY_J),
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KEY(3, 5, KEY_K),
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KEY(2, 5, KEY_L),
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KEY(1, 5, KEY_Z),
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KEY(0, 5, KEY_X),
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KEY(7, 6, KEY_C),
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KEY(6, 6, KEY_V),
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KEY(5, 6, KEY_B),
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KEY(4, 6, KEY_N),
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KEY(3, 6, KEY_M),
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KEY(2, 6, KEY_SPACE),
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KEY(0, 7, KEY_LEFTSHIFT), /* Vol up */
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KEY(3, 7, KEY_LEFTCTRL), /* Vol down */
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0
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};
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void ams_delta_latch1_write(u8 mask, u8 value)
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{
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ams_delta_latch1_reg &= ~mask;
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ams_delta_latch1_reg |= value;
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*(volatile __u8 *) AMS_DELTA_LATCH1_VIRT = ams_delta_latch1_reg;
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}
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void ams_delta_latch2_write(u16 mask, u16 value)
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{
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ams_delta_latch2_reg &= ~mask;
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ams_delta_latch2_reg |= value;
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*(volatile __u16 *) AMS_DELTA_LATCH2_VIRT = ams_delta_latch2_reg;
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}
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static void __init ams_delta_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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omap_gpio_init();
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}
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static struct map_desc ams_delta_io_desc[] __initdata = {
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/* AMS_DELTA_LATCH1 */
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{
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.virtual = AMS_DELTA_LATCH1_VIRT,
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.pfn = __phys_to_pfn(AMS_DELTA_LATCH1_PHYS),
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.length = 0x01000000,
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.type = MT_DEVICE
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},
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/* AMS_DELTA_LATCH2 */
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{
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.virtual = AMS_DELTA_LATCH2_VIRT,
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.pfn = __phys_to_pfn(AMS_DELTA_LATCH2_PHYS),
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.length = 0x01000000,
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.type = MT_DEVICE
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},
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/* AMS_DELTA_MODEM */
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{
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.virtual = AMS_DELTA_MODEM_VIRT,
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.pfn = __phys_to_pfn(AMS_DELTA_MODEM_PHYS),
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.length = 0x01000000,
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.type = MT_DEVICE
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}
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};
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static struct omap_lcd_config ams_delta_lcd_config __initdata = {
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.ctrl_name = "internal",
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};
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static struct omap_usb_config ams_delta_usb_config __initdata = {
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.register_host = 1,
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.hmc_mode = 16,
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.pins[0] = 2,
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};
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static struct omap_board_config_kernel ams_delta_config[] = {
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{ OMAP_TAG_LCD, &ams_delta_lcd_config },
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};
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static struct resource ams_delta_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 ams_delta_kp_data = {
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.rows = 8,
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.cols = 8,
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.keymap = ams_delta_keymap,
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.keymapsize = ARRAY_SIZE(ams_delta_keymap),
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.delay = 9,
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};
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static struct platform_device ams_delta_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 = &ams_delta_kp_data,
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},
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.num_resources = ARRAY_SIZE(ams_delta_kp_resources),
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.resource = ams_delta_kp_resources,
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};
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static struct platform_device ams_delta_lcd_device = {
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.name = "lcd_ams_delta",
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.id = -1,
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};
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static struct platform_device ams_delta_led_device = {
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.name = "ams-delta-led",
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.id = -1
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};
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static struct platform_device *ams_delta_devices[] __initdata = {
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&ams_delta_kp_device,
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&ams_delta_lcd_device,
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&ams_delta_led_device,
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};
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static void __init ams_delta_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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iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
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omap_board_config = ams_delta_config;
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omap_board_config_size = ARRAY_SIZE(ams_delta_config);
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omap_serial_init();
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omap_register_i2c_bus(1, 100, NULL, 0);
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/* Clear latch2 (NAND, LCD, modem enable) */
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ams_delta_latch2_write(~0, 0);
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omap_usb_init(&ams_delta_usb_config);
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platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
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omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
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}
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static struct plat_serial8250_port ams_delta_modem_ports[] = {
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{
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.membase = (void *) AMS_DELTA_MODEM_VIRT,
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.mapbase = AMS_DELTA_MODEM_PHYS,
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.irq = -EINVAL, /* changed later */
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.flags = UPF_BOOT_AUTOCONF,
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.irqflags = IRQF_TRIGGER_RISING,
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.iotype = UPIO_MEM,
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.regshift = 1,
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.uartclk = BASE_BAUD * 16,
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},
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{ },
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};
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static struct platform_device ams_delta_modem_device = {
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.name = "serial8250",
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.id = PLAT8250_DEV_PLATFORM1,
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.dev = {
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.platform_data = ams_delta_modem_ports,
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},
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};
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static int __init ams_delta_modem_init(void)
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{
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omap_cfg_reg(M14_1510_GPIO2);
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ams_delta_modem_ports[0].irq = gpio_to_irq(2);
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ams_delta_latch2_write(
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AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC,
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AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC);
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return platform_device_register(&ams_delta_modem_device);
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}
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arch_initcall(ams_delta_modem_init);
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static void __init ams_delta_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(AMS_DELTA, "Amstrad E3 (Delta)")
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/* Maintainer: Jonathan McDowell <noodles@earth.li> */
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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 = ams_delta_map_io,
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.init_irq = ams_delta_init_irq,
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.init_machine = ams_delta_init,
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.timer = &omap_timer,
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MACHINE_END
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EXPORT_SYMBOL(ams_delta_latch1_write);
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EXPORT_SYMBOL(ams_delta_latch2_write);
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