ARM: clps711x: autcpu12: Special driver for handling NAND memory is removed
[deliverable/linux.git] / arch / arm / mach-clps711x / p720t.c
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1da177e4
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1/*
2 * linux/arch/arm/mach-clps711x/p720t.c
3 *
4 * Copyright (C) 2000-2001 Deep Blue Solutions Ltd
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
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20#include <linux/kernel.h>
21#include <linux/init.h>
22#include <linux/types.h>
23#include <linux/string.h>
24#include <linux/mm.h>
fced80c7 25#include <linux/io.h>
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26#include <linux/slab.h>
27#include <linux/leds.h>
b3a076dd 28#include <linux/platform_device.h>
1da177e4 29
a09e64fb 30#include <mach/hardware.h>
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31#include <asm/pgtable.h>
32#include <asm/page.h>
33#include <asm/setup.h>
f10083f5 34#include <asm/sizes.h>
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35#include <asm/mach-types.h>
36#include <asm/mach/arch.h>
37#include <asm/mach/map.h>
a09e64fb 38#include <mach/syspld.h>
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39
40#include "common.h"
41
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42#define GPIO_USERLED CLPS711X_GPIO(3, 0)
43
1da177e4 44/*
6cb1b145
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45 * Map the P720T system PLD. It occupies two address spaces:
46 * 0x10000000 and 0x10400000. We map both regions as one.
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47 */
48static struct map_desc p720t_io_desc[] __initdata = {
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49 {
50 .virtual = SYSPLD_VIRT_BASE,
51 .pfn = __phys_to_pfn(SYSPLD_PHYS_BASE),
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52 .length = SZ_8M,
53 .type = MT_DEVICE,
54 },
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55};
56
57static void __init
0744a3ee 58fixup_p720t(struct tag *tag, char **cmdline, struct meminfo *mi)
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59{
60 /*
61 * Our bootloader doesn't setup any tags (yet).
62 */
63 if (tag->hdr.tag != ATAG_CORE) {
64 tag->hdr.tag = ATAG_CORE;
65 tag->hdr.size = tag_size(tag_core);
66 tag->u.core.flags = 0;
67 tag->u.core.pagesize = PAGE_SIZE;
68 tag->u.core.rootdev = 0x0100;
69
70 tag = tag_next(tag);
71 tag->hdr.tag = ATAG_MEM;
72 tag->hdr.size = tag_size(tag_mem32);
73 tag->u.mem.size = 4096;
74 tag->u.mem.start = PHYS_OFFSET;
75
76 tag = tag_next(tag);
77 tag->hdr.tag = ATAG_NONE;
78 tag->hdr.size = 0;
79 }
80}
81
82static void __init p720t_map_io(void)
83{
84 clps711x_map_io();
85 iotable_init(p720t_io_desc, ARRAY_SIZE(p720t_io_desc));
86}
87
02d7d6d2 88static void __init p720t_init_early(void)
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89{
90 /*
91 * Power down as much as possible in case we don't
92 * have the drivers loaded.
93 */
94 PLD_LCDEN = 0;
95 PLD_PWR &= ~(PLD_S4_ON|PLD_S3_ON|PLD_S2_ON|PLD_S1_ON);
96
97 PLD_KBD = 0;
98 PLD_IO = 0;
99 PLD_IRDA = 0;
100 PLD_CODEC = 0;
101 PLD_TCH = 0;
102 PLD_SPI = 0;
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103 if (!IS_ENABLED(CONFIG_DEBUG_LL)) {
104 PLD_COM2 = 0;
105 PLD_COM1 = 0;
106 }
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107}
108
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109static struct gpio_led p720t_gpio_leds[] = {
110 {
111 .name = "User LED",
112 .default_trigger = "heartbeat",
113 .gpio = GPIO_USERLED,
114 },
115};
8ee8ef29 116
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117static struct gpio_led_platform_data p720t_gpio_led_pdata __initdata = {
118 .leds = p720t_gpio_leds,
119 .num_leds = ARRAY_SIZE(p720t_gpio_leds),
120};
8ee8ef29 121
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122static void __init p720t_init(void)
123{
124 platform_device_register_simple("video-clps711x", 0, NULL, 0);
125}
126
b3a076dd 127static void __init p720t_init_late(void)
8ee8ef29 128{
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129 platform_device_register_data(&platform_bus, "leds-gpio", 0,
130 &p720t_gpio_led_pdata,
131 sizeof(p720t_gpio_led_pdata));
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132}
133
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134MACHINE_START(P720T, "ARM-Prospector720T")
135 /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
136 .atag_offset = 0x100,
0d8be81c 137 .nr_irqs = CLPS711X_NR_IRQS,
02d7d6d2 138 .fixup = fixup_p720t,
02d7d6d2 139 .map_io = p720t_map_io,
b3a076dd 140 .init_early = p720t_init_early,
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141 .init_irq = clps711x_init_irq,
142 .timer = &clps711x_timer,
dd850f12 143 .init_machine = p720t_init,
b3a076dd 144 .init_late = p720t_init_late,
99f04c8f 145 .handle_irq = clps711x_handle_irq,
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146 .restart = clps711x_restart,
147MACHINE_END
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