1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* Copyright (C) 2000, 2001 Blue Mug, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/memblock.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <asm/setup.h>
#include <asm/mach/map.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
#include <video/platform_lcd.h>
#include <mach/hardware.h>
#include "common.h"
#define VIDEORAM_SIZE SZ_128K
#define EDB7211_LCD_DC_DC_EN CLPS711X_GPIO(3, 1)
#define EDB7211_LCDEN CLPS711X_GPIO(3, 2)
#define EDB7211_CS8900_BASE (CS2_PHYS_BASE + 0x300)
#define EDB7211_CS8900_IRQ (IRQ_EINT3)
static struct resource edb7211_cs8900_resource[] __initdata = {
DEFINE_RES_MEM(EDB7211_CS8900_BASE, SZ_1K),
DEFINE_RES_IRQ(EDB7211_CS8900_IRQ),
};
static void edb7211_lcd_power_set(struct plat_lcd_data *pd, unsigned int power)
{
if (power) {
gpio_set_value(EDB7211_LCDEN, 1);
udelay(100);
gpio_set_value(EDB7211_LCD_DC_DC_EN, 1);
} else {
gpio_set_value(EDB7211_LCD_DC_DC_EN, 0);
udelay(100);
gpio_set_value(EDB7211_LCDEN, 0);
}
}
static struct plat_lcd_data edb7211_lcd_power_pdata = {
.set_power = edb7211_lcd_power_set,
};
static struct gpio edb7211_gpios[] __initconst = {
{ EDB7211_LCD_DC_DC_EN, GPIOF_OUT_INIT_LOW, "LCD DC-DC" },
{ EDB7211_LCDEN, GPIOF_OUT_INIT_LOW, "LCD POWER" },
};
static struct map_desc edb7211_io_desc[] __initdata = {
{ /* Memory-mapped extra keyboard row */
.virtual = IO_ADDRESS(EP7211_PHYS_EXTKBD),
.pfn = __phys_to_pfn(EP7211_PHYS_EXTKBD),
.length = SZ_1M,
.type = MT_DEVICE,
}, { /* Flash bank 0 */
.virtual = IO_ADDRESS(EP7211_PHYS_FLASH1),
.pfn = __phys_to_pfn(EP7211_PHYS_FLASH1),
.length = SZ_8M,
.type = MT_DEVICE,
}, { /* Flash bank 1 */
.virtual = IO_ADDRESS(EP7211_PHYS_FLASH2),
.pfn = __phys_to_pfn(EP7211_PHYS_FLASH2),
.length = SZ_8M,
.type = MT_DEVICE,
},
};
void __init edb7211_map_io(void)
{
clps711x_map_io();
iotable_init(edb7211_io_desc, ARRAY_SIZE(edb7211_io_desc));
}
/* Reserve screen memory region at the start of main system memory. */
static void __init edb7211_reserve(void)
{
memblock_reserve(PHYS_OFFSET, VIDEORAM_SIZE);
}
static void __init
fixup_edb7211(struct tag *tags, char **cmdline, struct meminfo *mi)
{
/*
* Bank start addresses are not present in the information
* passed in from the boot loader. We could potentially
* detect them, but instead we hard-code them.
*
* Banks sizes _are_ present in the param block, but we're
* not using that information yet.
*/
mi->bank[0].start = 0xc0000000;
mi->bank[0].size = SZ_8M;
mi->bank[1].start = 0xc1000000;
mi->bank[1].size = SZ_8M;
mi->nr_banks = 2;
}
static void __init edb7211_init(void)
{
gpio_request_array(edb7211_gpios, ARRAY_SIZE(edb7211_gpios));
platform_device_register_data(&platform_bus, "platform-lcd", 0,
&edb7211_lcd_power_pdata,
sizeof(edb7211_lcd_power_pdata));
platform_device_register_simple("video-clps711x", 0, NULL, 0);
platform_device_register_simple("cs89x0", 0, edb7211_cs8900_resource,
ARRAY_SIZE(edb7211_cs8900_resource));
}
MACHINE_START(EDB7211, "CL-EDB7211 (EP7211 eval board)")
/* Maintainer: Jon McClintock */
.atag_offset = VIDEORAM_SIZE + 0x100,
.nr_irqs = CLPS711X_NR_IRQS,
.fixup = fixup_edb7211,
.reserve = edb7211_reserve,
.map_io = edb7211_map_io,
.init_irq = clps711x_init_irq,
.timer = &clps711x_timer,
.init_machine = edb7211_init,
.handle_irq = clps711x_handle_irq,
.restart = clps711x_restart,
MACHINE_END
|
