1 /*
2  * linux/arch/arm/mach-omap1/board-ams-delta.c
3  *
4  * Modified from board-generic.c
5  *
6  * Board specific inits for the Amstrad E3 (codename Delta) videophone
7  *
8  * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
9  *
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.
13  */
14 
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>
21 
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>
27 
28 #include <plat/board-ams-delta.h>
29 #include <mach/gpio.h>
30 #include <plat/keypad.h>
31 #include <plat/mux.h>
32 #include <plat/usb.h>
33 #include <plat/board.h>
34 #include <plat/common.h>
35 
36 static u8 ams_delta_latch1_reg;
37 static u16 ams_delta_latch2_reg;
38 
39 static int ams_delta_keymap[] = {
40 	KEY(0, 0, KEY_F1),		/* Advert    */
41 
42 	KEY(3, 0, KEY_COFFEE),		/* Games     */
43 	KEY(2, 0, KEY_QUESTION),	/* Directory */
44 	KEY(3, 2, KEY_CONNECT),		/* Internet  */
45 	KEY(2, 1, KEY_SHOP),		/* Services  */
46 	KEY(1, 1, KEY_PHONE),		/* VoiceMail */
47 
48 	KEY(1, 0, KEY_DELETE),		/* Delete    */
49 	KEY(2, 2, KEY_PLAY),		/* Play      */
50 	KEY(0, 1, KEY_PAGEUP),		/* Up        */
51 	KEY(3, 1, KEY_PAGEDOWN),	/* Down      */
52 	KEY(0, 2, KEY_EMAIL),		/* ReadEmail */
53 	KEY(1, 2, KEY_STOP),		/* Stop      */
54 
55 	/* Numeric keypad portion */
56 	KEY(7, 0, KEY_KP1),
57 	KEY(6, 0, KEY_KP2),
58 	KEY(5, 0, KEY_KP3),
59 	KEY(7, 1, KEY_KP4),
60 	KEY(6, 1, KEY_KP5),
61 	KEY(5, 1, KEY_KP6),
62 	KEY(7, 2, KEY_KP7),
63 	KEY(6, 2, KEY_KP8),
64 	KEY(5, 2, KEY_KP9),
65 	KEY(6, 3, KEY_KP0),
66 	KEY(7, 3, KEY_KPASTERISK),
67 	KEY(5, 3, KEY_KPDOT),		/* # key     */
68 	KEY(2, 7, KEY_NUMLOCK),		/* Mute      */
69 	KEY(1, 7, KEY_KPMINUS),		/* Recall    */
70 	KEY(1, 6, KEY_KPPLUS),		/* Redial    */
71 	KEY(6, 7, KEY_KPSLASH),		/* Handsfree */
72 	KEY(0, 6, KEY_ENTER),		/* Video     */
73 
74 	KEY(4, 7, KEY_CAMERA),		/* Photo     */
75 
76 	KEY(4, 0, KEY_F2),		/* Home      */
77 	KEY(4, 1, KEY_F3),		/* Office    */
78 	KEY(4, 2, KEY_F4),		/* Mobile    */
79 	KEY(7, 7, KEY_F5),		/* SMS       */
80 	KEY(5, 7, KEY_F6),		/* Email     */
81 
82 	/* QWERTY portion of keypad */
83 	KEY(4, 3, KEY_Q),
84 	KEY(3, 3, KEY_W),
85 	KEY(2, 3, KEY_E),
86 	KEY(1, 3, KEY_R),
87 	KEY(0, 3, KEY_T),
88 	KEY(7, 4, KEY_Y),
89 	KEY(6, 4, KEY_U),
90 	KEY(5, 4, KEY_I),
91 	KEY(4, 4, KEY_O),
92 	KEY(3, 4, KEY_P),
93 
94 	KEY(2, 4, KEY_A),
95 	KEY(1, 4, KEY_S),
96 	KEY(0, 4, KEY_D),
97 	KEY(7, 5, KEY_F),
98 	KEY(6, 5, KEY_G),
99 	KEY(5, 5, KEY_H),
100 	KEY(4, 5, KEY_J),
101 	KEY(3, 5, KEY_K),
102 	KEY(2, 5, KEY_L),
103 
104 	KEY(1, 5, KEY_Z),
105 	KEY(0, 5, KEY_X),
106 	KEY(7, 6, KEY_C),
107 	KEY(6, 6, KEY_V),
108 	KEY(5, 6, KEY_B),
109 	KEY(4, 6, KEY_N),
110 	KEY(3, 6, KEY_M),
111 	KEY(2, 6, KEY_SPACE),
112 
113 	KEY(0, 7, KEY_LEFTSHIFT),	/* Vol up    */
114 	KEY(3, 7, KEY_LEFTCTRL),	/* Vol down  */
115 
116 	0
117 };
118 
119 void ams_delta_latch1_write(u8 mask, u8 value)
120 {
121 	ams_delta_latch1_reg &= ~mask;
122 	ams_delta_latch1_reg |= value;
123 	*(volatile __u8 *) AMS_DELTA_LATCH1_VIRT = ams_delta_latch1_reg;
124 }
125 
126 void ams_delta_latch2_write(u16 mask, u16 value)
127 {
128 	ams_delta_latch2_reg &= ~mask;
129 	ams_delta_latch2_reg |= value;
130 	*(volatile __u16 *) AMS_DELTA_LATCH2_VIRT = ams_delta_latch2_reg;
131 }
132 
133 static void __init ams_delta_init_irq(void)
134 {
135 	omap1_init_common_hw();
136 	omap_init_irq();
137 	omap_gpio_init();
138 }
139 
140 static struct map_desc ams_delta_io_desc[] __initdata = {
141 	/* AMS_DELTA_LATCH1 */
142 	{
143 		.virtual	= AMS_DELTA_LATCH1_VIRT,
144 		.pfn		= __phys_to_pfn(AMS_DELTA_LATCH1_PHYS),
145 		.length		= 0x01000000,
146 		.type		= MT_DEVICE
147 	},
148 	/* AMS_DELTA_LATCH2 */
149 	{
150 		.virtual	= AMS_DELTA_LATCH2_VIRT,
151 		.pfn		= __phys_to_pfn(AMS_DELTA_LATCH2_PHYS),
152 		.length		= 0x01000000,
153 		.type		= MT_DEVICE
154 	},
155 	/* AMS_DELTA_MODEM */
156 	{
157 		.virtual	= AMS_DELTA_MODEM_VIRT,
158 		.pfn		= __phys_to_pfn(AMS_DELTA_MODEM_PHYS),
159 		.length		= 0x01000000,
160 		.type		= MT_DEVICE
161 	}
162 };
163 
164 static struct omap_lcd_config ams_delta_lcd_config __initdata = {
165 	.ctrl_name	= "internal",
166 };
167 
168 static struct omap_usb_config ams_delta_usb_config __initdata = {
169 	.register_host	= 1,
170 	.hmc_mode	= 16,
171 	.pins[0]	= 2,
172 };
173 
174 static struct omap_board_config_kernel ams_delta_config[] = {
175 	{ OMAP_TAG_LCD,		&ams_delta_lcd_config },
176 };
177 
178 static struct resource ams_delta_kp_resources[] = {
179 	[0] = {
180 		.start	= INT_KEYBOARD,
181 		.end	= INT_KEYBOARD,
182 		.flags	= IORESOURCE_IRQ,
183 	},
184 };
185 
186 static struct omap_kp_platform_data ams_delta_kp_data = {
187 	.rows		= 8,
188 	.cols		= 8,
189 	.keymap 	= ams_delta_keymap,
190 	.keymapsize	= ARRAY_SIZE(ams_delta_keymap),
191 	.delay		= 9,
192 };
193 
194 static struct platform_device ams_delta_kp_device = {
195 	.name		= "omap-keypad",
196 	.id		= -1,
197 	.dev		= {
198 		.platform_data = &ams_delta_kp_data,
199 	},
200 	.num_resources	= ARRAY_SIZE(ams_delta_kp_resources),
201 	.resource	= ams_delta_kp_resources,
202 };
203 
204 static struct platform_device ams_delta_lcd_device = {
205 	.name	= "lcd_ams_delta",
206 	.id	= -1,
207 };
208 
209 static struct platform_device ams_delta_led_device = {
210 	.name	= "ams-delta-led",
211 	.id	= -1
212 };
213 
214 static struct platform_device *ams_delta_devices[] __initdata = {
215 	&ams_delta_kp_device,
216 	&ams_delta_lcd_device,
217 	&ams_delta_led_device,
218 };
219 
220 static void __init ams_delta_init(void)
221 {
222 	/* mux pins for uarts */
223 	omap_cfg_reg(UART1_TX);
224 	omap_cfg_reg(UART1_RTS);
225 
226 	iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
227 
228 	omap_board_config = ams_delta_config;
229 	omap_board_config_size = ARRAY_SIZE(ams_delta_config);
230 	omap_serial_init();
231 	omap_register_i2c_bus(1, 100, NULL, 0);
232 
233 	/* Clear latch2 (NAND, LCD, modem enable) */
234 	ams_delta_latch2_write(~0, 0);
235 
236 	omap_usb_init(&ams_delta_usb_config);
237 	platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
238 
239 	omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
240 }
241 
242 static struct plat_serial8250_port ams_delta_modem_ports[] = {
243 	{
244 		.membase	= (void *) AMS_DELTA_MODEM_VIRT,
245 		.mapbase	= AMS_DELTA_MODEM_PHYS,
246 		.irq		= -EINVAL, /* changed later */
247 		.flags		= UPF_BOOT_AUTOCONF,
248 		.irqflags	= IRQF_TRIGGER_RISING,
249 		.iotype		= UPIO_MEM,
250 		.regshift	= 1,
251 		.uartclk	= BASE_BAUD * 16,
252 	},
253 	{ },
254 };
255 
256 static struct platform_device ams_delta_modem_device = {
257 	.name	= "serial8250",
258 	.id	= PLAT8250_DEV_PLATFORM1,
259 	.dev		= {
260 		.platform_data = ams_delta_modem_ports,
261 	},
262 };
263 
264 static int __init ams_delta_modem_init(void)
265 {
266 	omap_cfg_reg(M14_1510_GPIO2);
267 	ams_delta_modem_ports[0].irq = gpio_to_irq(2);
268 
269 	ams_delta_latch2_write(
270 		AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC,
271 		AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC);
272 
273 	return platform_device_register(&ams_delta_modem_device);
274 }
275 arch_initcall(ams_delta_modem_init);
276 
277 static void __init ams_delta_map_io(void)
278 {
279 	omap1_map_common_io();
280 }
281 
282 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
283 	/* Maintainer: Jonathan McDowell <noodles@earth.li> */
284 	.phys_io	= 0xfff00000,
285 	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
286 	.boot_params	= 0x10000100,
287 	.map_io		= ams_delta_map_io,
288 	.init_irq	= ams_delta_init_irq,
289 	.init_machine	= ams_delta_init,
290 	.timer		= &omap_timer,
291 MACHINE_END
292 
293 EXPORT_SYMBOL(ams_delta_latch1_write);
294 EXPORT_SYMBOL(ams_delta_latch2_write);
295