2 * linux/arch/arm/mach-omap1/board-ams-delta.c
4 * Modified from board-generic.c
6 * Board specific inits for the Amstrad E3 (codename Delta) videophone
8 * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/input.h>
18 #include <linux/interrupt.h>
19 #include <linux/platform_device.h>
20 #include <linux/serial_8250.h>
22 #include <asm/serial.h>
23 #include <mach/hardware.h>
24 #include <asm/mach-types.h>
25 #include <asm/mach/arch.h>
26 #include <asm/mach/map.h>
28 #include <plat/board-ams-delta.h>
29 #include <mach/gpio.h>
30 #include <plat/keypad.h>
33 #include <plat/board.h>
34 #include <plat/common.h>
36 #include <mach/ams-delta-fiq.h>
38 static u8 ams_delta_latch1_reg
;
39 static u16 ams_delta_latch2_reg
;
41 static int ams_delta_keymap
[] = {
42 KEY(0, 0, KEY_F1
), /* Advert */
44 KEY(3, 0, KEY_COFFEE
), /* Games */
45 KEY(2, 0, KEY_QUESTION
), /* Directory */
46 KEY(3, 2, KEY_CONNECT
), /* Internet */
47 KEY(2, 1, KEY_SHOP
), /* Services */
48 KEY(1, 1, KEY_PHONE
), /* VoiceMail */
50 KEY(1, 0, KEY_DELETE
), /* Delete */
51 KEY(2, 2, KEY_PLAY
), /* Play */
52 KEY(0, 1, KEY_PAGEUP
), /* Up */
53 KEY(3, 1, KEY_PAGEDOWN
), /* Down */
54 KEY(0, 2, KEY_EMAIL
), /* ReadEmail */
55 KEY(1, 2, KEY_STOP
), /* Stop */
57 /* Numeric keypad portion */
68 KEY(7, 3, KEY_KPASTERISK
),
69 KEY(5, 3, KEY_KPDOT
), /* # key */
70 KEY(2, 7, KEY_NUMLOCK
), /* Mute */
71 KEY(1, 7, KEY_KPMINUS
), /* Recall */
72 KEY(1, 6, KEY_KPPLUS
), /* Redial */
73 KEY(6, 7, KEY_KPSLASH
), /* Handsfree */
74 KEY(0, 6, KEY_ENTER
), /* Video */
76 KEY(4, 7, KEY_CAMERA
), /* Photo */
78 KEY(4, 0, KEY_F2
), /* Home */
79 KEY(4, 1, KEY_F3
), /* Office */
80 KEY(4, 2, KEY_F4
), /* Mobile */
81 KEY(7, 7, KEY_F5
), /* SMS */
82 KEY(5, 7, KEY_F6
), /* Email */
84 /* QWERTY portion of keypad */
113 KEY(2, 6, KEY_SPACE
),
115 KEY(0, 7, KEY_LEFTSHIFT
), /* Vol up */
116 KEY(3, 7, KEY_LEFTCTRL
), /* Vol down */
121 void ams_delta_latch1_write(u8 mask
, u8 value
)
123 ams_delta_latch1_reg
&= ~mask
;
124 ams_delta_latch1_reg
|= value
;
125 *(volatile __u8
*) AMS_DELTA_LATCH1_VIRT
= ams_delta_latch1_reg
;
128 void ams_delta_latch2_write(u16 mask
, u16 value
)
130 ams_delta_latch2_reg
&= ~mask
;
131 ams_delta_latch2_reg
|= value
;
132 *(volatile __u16
*) AMS_DELTA_LATCH2_VIRT
= ams_delta_latch2_reg
;
135 static void __init
ams_delta_init_irq(void)
137 omap1_init_common_hw();
142 static struct map_desc ams_delta_io_desc
[] __initdata
= {
143 /* AMS_DELTA_LATCH1 */
145 .virtual = AMS_DELTA_LATCH1_VIRT
,
146 .pfn
= __phys_to_pfn(AMS_DELTA_LATCH1_PHYS
),
147 .length
= 0x01000000,
150 /* AMS_DELTA_LATCH2 */
152 .virtual = AMS_DELTA_LATCH2_VIRT
,
153 .pfn
= __phys_to_pfn(AMS_DELTA_LATCH2_PHYS
),
154 .length
= 0x01000000,
157 /* AMS_DELTA_MODEM */
159 .virtual = AMS_DELTA_MODEM_VIRT
,
160 .pfn
= __phys_to_pfn(AMS_DELTA_MODEM_PHYS
),
161 .length
= 0x01000000,
166 static struct omap_lcd_config ams_delta_lcd_config __initdata
= {
167 .ctrl_name
= "internal",
170 static struct omap_usb_config ams_delta_usb_config __initdata
= {
176 static struct omap_board_config_kernel ams_delta_config
[] = {
177 { OMAP_TAG_LCD
, &ams_delta_lcd_config
},
180 static struct resource ams_delta_kp_resources
[] = {
182 .start
= INT_KEYBOARD
,
184 .flags
= IORESOURCE_IRQ
,
188 static struct omap_kp_platform_data ams_delta_kp_data
= {
191 .keymap
= ams_delta_keymap
,
192 .keymapsize
= ARRAY_SIZE(ams_delta_keymap
),
196 static struct platform_device ams_delta_kp_device
= {
197 .name
= "omap-keypad",
200 .platform_data
= &ams_delta_kp_data
,
202 .num_resources
= ARRAY_SIZE(ams_delta_kp_resources
),
203 .resource
= ams_delta_kp_resources
,
206 static struct platform_device ams_delta_lcd_device
= {
207 .name
= "lcd_ams_delta",
211 static struct platform_device ams_delta_led_device
= {
212 .name
= "ams-delta-led",
216 static struct platform_device
*ams_delta_devices
[] __initdata
= {
217 &ams_delta_kp_device
,
218 &ams_delta_lcd_device
,
219 &ams_delta_led_device
,
222 static void __init
ams_delta_init(void)
224 /* mux pins for uarts */
225 omap_cfg_reg(UART1_TX
);
226 omap_cfg_reg(UART1_RTS
);
228 iotable_init(ams_delta_io_desc
, ARRAY_SIZE(ams_delta_io_desc
));
230 omap_board_config
= ams_delta_config
;
231 omap_board_config_size
= ARRAY_SIZE(ams_delta_config
);
233 omap_register_i2c_bus(1, 100, NULL
, 0);
235 /* Clear latch2 (NAND, LCD, modem enable) */
236 ams_delta_latch2_write(~0, 0);
238 omap_usb_init(&ams_delta_usb_config
);
239 platform_add_devices(ams_delta_devices
, ARRAY_SIZE(ams_delta_devices
));
241 #ifdef CONFIG_AMS_DELTA_FIQ
242 ams_delta_init_fiq();
245 omap_writew(omap_readw(ARM_RSTCT1
) | 0x0004, ARM_RSTCT1
);
248 static struct plat_serial8250_port ams_delta_modem_ports
[] = {
250 .membase
= (void *) AMS_DELTA_MODEM_VIRT
,
251 .mapbase
= AMS_DELTA_MODEM_PHYS
,
252 .irq
= -EINVAL
, /* changed later */
253 .flags
= UPF_BOOT_AUTOCONF
,
254 .irqflags
= IRQF_TRIGGER_RISING
,
257 .uartclk
= BASE_BAUD
* 16,
262 static struct platform_device ams_delta_modem_device
= {
263 .name
= "serial8250",
264 .id
= PLAT8250_DEV_PLATFORM1
,
266 .platform_data
= ams_delta_modem_ports
,
270 static int __init
ams_delta_modem_init(void)
274 omap_cfg_reg(M14_1510_GPIO2
);
275 ams_delta_modem_ports
[0].irq
=
276 gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ
);
278 err
= gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ
, "modem");
280 pr_err("Couldn't request gpio pin for modem\n");
283 gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ
);
285 ams_delta_latch2_write(
286 AMS_DELTA_LATCH2_MODEM_NRESET
| AMS_DELTA_LATCH2_MODEM_CODEC
,
287 AMS_DELTA_LATCH2_MODEM_NRESET
| AMS_DELTA_LATCH2_MODEM_CODEC
);
289 return platform_device_register(&ams_delta_modem_device
);
291 arch_initcall(ams_delta_modem_init
);
293 static void __init
ams_delta_map_io(void)
295 omap1_map_common_io();
298 MACHINE_START(AMS_DELTA
, "Amstrad E3 (Delta)")
299 /* Maintainer: Jonathan McDowell <noodles@earth.li> */
300 .phys_io
= 0xfff00000,
301 .io_pg_offst
= ((0xfef00000) >> 18) & 0xfffc,
302 .boot_params
= 0x10000100,
303 .map_io
= ams_delta_map_io
,
304 .init_irq
= ams_delta_init_irq
,
305 .init_machine
= ams_delta_init
,
306 .timer
= &omap_timer
,
309 EXPORT_SYMBOL(ams_delta_latch1_write
);
310 EXPORT_SYMBOL(ams_delta_latch2_write
);