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/platform_device.h>
18
19#include <asm/hardware.h>
20#include <asm/mach-types.h>
21#include <asm/mach/arch.h>
22#include <asm/mach/map.h>
23
24#include <asm/arch/board-ams-delta.h>
25#include <asm/arch/gpio.h>
26#include <asm/arch/mux.h>
27#include <asm/arch/usb.h>
28#include <asm/arch/board.h>
29#include <asm/arch/common.h>
30
31static u8 ams_delta_latch1_reg;
32static u16 ams_delta_latch2_reg;
33
34void ams_delta_latch1_write(u8 mask, u8 value)
35{
36	ams_delta_latch1_reg &= ~mask;
37	ams_delta_latch1_reg |= value;
38	*(volatile __u8 *) AMS_DELTA_LATCH1_VIRT = ams_delta_latch1_reg;
39}
40
41void ams_delta_latch2_write(u16 mask, u16 value)
42{
43	ams_delta_latch2_reg &= ~mask;
44	ams_delta_latch2_reg |= value;
45	*(volatile __u16 *) AMS_DELTA_LATCH2_VIRT = ams_delta_latch2_reg;
46}
47
48static void __init ams_delta_init_irq(void)
49{
50	omap1_init_common_hw();
51	omap_init_irq();
52	omap_gpio_init();
53}
54
55static struct map_desc ams_delta_io_desc[] __initdata = {
56	// AMS_DELTA_LATCH1
57	{
58		.virtual	= AMS_DELTA_LATCH1_VIRT,
59		.pfn		= __phys_to_pfn(AMS_DELTA_LATCH1_PHYS),
60		.length		= 0x01000000,
61		.type		= MT_DEVICE
62	},
63	// AMS_DELTA_LATCH2
64	{
65		.virtual	= AMS_DELTA_LATCH2_VIRT,
66		.pfn		= __phys_to_pfn(AMS_DELTA_LATCH2_PHYS),
67		.length		= 0x01000000,
68		.type		= MT_DEVICE
69	},
70	// AMS_DELTA_MODEM
71	{
72		.virtual	= AMS_DELTA_MODEM_VIRT,
73		.pfn		= __phys_to_pfn(AMS_DELTA_MODEM_PHYS),
74		.length		= 0x01000000,
75		.type		= MT_DEVICE
76	}
77};
78
79static struct omap_uart_config ams_delta_uart_config __initdata = {
80	.enabled_uarts = 1,
81};
82
83static struct omap_usb_config ams_delta_usb_config __initdata = {
84	.register_host	= 1,
85	.hmc_mode	= 16,
86	.pins[0]	= 2,
87};
88
89static struct omap_board_config_kernel ams_delta_config[] = {
90	{ OMAP_TAG_UART,	&ams_delta_uart_config },
91	{ OMAP_TAG_USB,		&ams_delta_usb_config },
92};
93
94static struct platform_device ams_delta_led_device = {
95	.name	= "ams-delta-led",
96	.id	= -1
97};
98
99static struct platform_device *ams_delta_devices[] __initdata = {
100	&ams_delta_led_device,
101};
102
103static void __init ams_delta_init(void)
104{
105	iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
106
107	omap_board_config = ams_delta_config;
108	omap_board_config_size = ARRAY_SIZE(ams_delta_config);
109	omap_serial_init();
110
111	/* Clear latch2 (NAND, LCD, modem enable) */
112	ams_delta_latch2_write(~0, 0);
113
114	platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
115}
116
117static void __init ams_delta_map_io(void)
118{
119	omap1_map_common_io();
120}
121
122MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
123	/* Maintainer: Jonathan McDowell <noodles@earth.li> */
124	.phys_io	= 0xfff00000,
125	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
126	.boot_params	= 0x10000100,
127	.map_io		= ams_delta_map_io,
128	.init_irq	= ams_delta_init_irq,
129	.init_machine	= ams_delta_init,
130	.timer		= &omap_timer,
131MACHINE_END
132
133EXPORT_SYMBOL(ams_delta_latch1_write);
134EXPORT_SYMBOL(ams_delta_latch2_write);
135