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Zbynek Michlb7eb1a52009-01-02 00:26:13 +01001/*
2 * linux/arch/arm/mach-pxa/himalaya.c
3 *
4 * Hardware definitions for the HTC Himalaya
5 *
6 * Based on 2.6.21-hh20's himalaya.c and himalaya_lcd.c
7 *
8 * Copyright (c) 2008 Zbynek Michl <Zbynek.Michl@seznam.cz>
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/device.h>
18#include <linux/fb.h>
19#include <linux/platform_device.h>
20
21#include <video/w100fb.h>
22
23#include <asm/setup.h>
24#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26
27#include <mach/mfp-pxa25x.h>
28#include <mach/hardware.h>
29#include <mach/pxa-regs.h>
30#include <mach/pxa2xx-regs.h>
31
32#include "generic.h"
33
34/* ---------------------- Himalaya LCD definitions -------------------- */
35
36static struct w100_gen_regs himalaya_lcd_regs = {
37 .lcd_format = 0x00000003,
38 .lcdd_cntl1 = 0x00000000,
39 .lcdd_cntl2 = 0x0003ffff,
40 .genlcd_cntl1 = 0x00fff003,
41 .genlcd_cntl2 = 0x00000003,
42 .genlcd_cntl3 = 0x000102aa,
43};
44
45static struct w100_mode himalaya4_lcd_mode = {
46 .xres = 240,
47 .yres = 320,
48 .left_margin = 0,
49 .right_margin = 31,
50 .upper_margin = 15,
51 .lower_margin = 0,
52 .crtc_ss = 0x80150014,
53 .crtc_ls = 0xa0fb00f7,
54 .crtc_gs = 0xc0080007,
55 .crtc_vpos_gs = 0x00080007,
56 .crtc_rev = 0x0000000a,
57 .crtc_dclk = 0x81700030,
58 .crtc_gclk = 0x8015010f,
59 .crtc_goe = 0x00000000,
60 .pll_freq = 80,
61 .pixclk_divider = 15,
62 .pixclk_divider_rotated = 15,
63 .pixclk_src = CLK_SRC_PLL,
64 .sysclk_divider = 0,
65 .sysclk_src = CLK_SRC_PLL,
66};
67
68static struct w100_mode himalaya6_lcd_mode = {
69 .xres = 240,
70 .yres = 320,
71 .left_margin = 9,
72 .right_margin = 8,
73 .upper_margin = 5,
74 .lower_margin = 4,
75 .crtc_ss = 0x80150014,
76 .crtc_ls = 0xa0fb00f7,
77 .crtc_gs = 0xc0080007,
78 .crtc_vpos_gs = 0x00080007,
79 .crtc_rev = 0x0000000a,
80 .crtc_dclk = 0xa1700030,
81 .crtc_gclk = 0x8015010f,
82 .crtc_goe = 0x00000000,
83 .pll_freq = 95,
84 .pixclk_divider = 0xb,
85 .pixclk_divider_rotated = 4,
86 .pixclk_src = CLK_SRC_PLL,
87 .sysclk_divider = 1,
88 .sysclk_src = CLK_SRC_PLL,
89};
90
91static struct w100_gpio_regs himalaya_w100_gpio_info = {
92 .init_data1 = 0xffff0000, /* GPIO_DATA */
93 .gpio_dir1 = 0x00000000, /* GPIO_CNTL1 */
94 .gpio_oe1 = 0x003c0000, /* GPIO_CNTL2 */
95 .init_data2 = 0x00000000, /* GPIO_DATA2 */
96 .gpio_dir2 = 0x00000000, /* GPIO_CNTL3 */
97 .gpio_oe2 = 0x00000000, /* GPIO_CNTL4 */
98};
99
100static struct w100fb_mach_info himalaya_fb_info = {
101 .num_modes = 1,
102 .regs = &himalaya_lcd_regs,
103 .gpio = &himalaya_w100_gpio_info,
104 .xtal_freq = 16000000,
105};
106
107static struct resource himalaya_fb_resources[] = {
108 [0] = {
109 .start = 0x08000000,
110 .end = 0x08ffffff,
111 .flags = IORESOURCE_MEM,
112 },
113};
114
115static struct platform_device himalaya_fb_device = {
116 .name = "w100fb",
117 .id = -1,
118 .dev = {
119 .platform_data = &himalaya_fb_info,
120 },
121 .num_resources = ARRAY_SIZE(himalaya_fb_resources),
122 .resource = himalaya_fb_resources,
123};
124
125/* ----------------------------------------------------------------------- */
126
127static struct platform_device *devices[] __initdata = {
128 &himalaya_fb_device,
129};
130
131static void __init himalaya_lcd_init(void)
132{
133 int himalaya_boardid;
134
135 himalaya_boardid = 0x4; /* hardcoded (detection needs ASIC3 functions) */
136 printk(KERN_INFO "himalaya LCD Driver init. boardid=%d\n",
137 himalaya_boardid);
138
139 switch (himalaya_boardid) {
140 case 0x4:
141 himalaya_fb_info.modelist = &himalaya4_lcd_mode;
142 break;
143 case 0x6:
144 himalaya_fb_info.modelist = &himalaya6_lcd_mode;
145 break;
146 default:
147 printk(KERN_INFO "himalaya lcd_init: unknown boardid=%d. Using 0x4\n",
148 himalaya_boardid);
149 himalaya_fb_info.modelist = &himalaya4_lcd_mode;
150 }
151}
152
153static void __init himalaya_init(void)
154{
155 himalaya_lcd_init();
156 platform_add_devices(devices, ARRAY_SIZE(devices));
157}
158
159
160MACHINE_START(HIMALAYA, "HTC Himalaya")
161 .phys_io = 0x40000000,
162 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
163 .boot_params = 0xa0000100,
164 .map_io = pxa_map_io,
165 .init_irq = pxa25x_init_irq,
166 .init_machine = himalaya_init,
167 .timer = &pxa_timer,
168MACHINE_END