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gerrit-public.fairphone.software / kernel / msm-4.9 / caafc71b1a25096ef74904adb19d37e5c6a282dc / . / arch / arm / mach-pxa / himalaya.c
blob: 2962de898da9eefb0c1e35649e18468642b2abe4 [file] [log] [blame]
Zbynek Michlb7eb1a52009-01-02 00:26:13 +0100[diff] [blame]1/*
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
Eric Miaoca0e6872011-05-18 21:19:04 +0800[diff] [blame]27#include <mach/pxa25x.h>
Zbynek Michlb7eb1a52009-01-02 00:26:13 +0100[diff] [blame]28
29#include "generic.h"
30
31/* ---------------------- Himalaya LCD definitions -------------------- */
32
33static struct w100_gen_regs himalaya_lcd_regs = {
34 .lcd_format = 0x00000003,
35 .lcdd_cntl1 = 0x00000000,
36 .lcdd_cntl2 = 0x0003ffff,
37 .genlcd_cntl1 = 0x00fff003,
38 .genlcd_cntl2 = 0x00000003,
39 .genlcd_cntl3 = 0x000102aa,
40};
41
42static struct w100_mode himalaya4_lcd_mode = {
43 .xres = 240,
44 .yres = 320,
45 .left_margin = 0,
46 .right_margin = 31,
47 .upper_margin = 15,
48 .lower_margin = 0,
49 .crtc_ss = 0x80150014,
50 .crtc_ls = 0xa0fb00f7,
51 .crtc_gs = 0xc0080007,
52 .crtc_vpos_gs = 0x00080007,
53 .crtc_rev = 0x0000000a,
54 .crtc_dclk = 0x81700030,
55 .crtc_gclk = 0x8015010f,
56 .crtc_goe = 0x00000000,
57 .pll_freq = 80,
58 .pixclk_divider = 15,
59 .pixclk_divider_rotated = 15,
60 .pixclk_src = CLK_SRC_PLL,
61 .sysclk_divider = 0,
62 .sysclk_src = CLK_SRC_PLL,
63};
64
65static struct w100_mode himalaya6_lcd_mode = {
66 .xres = 240,
67 .yres = 320,
68 .left_margin = 9,
69 .right_margin = 8,
70 .upper_margin = 5,
71 .lower_margin = 4,
72 .crtc_ss = 0x80150014,
73 .crtc_ls = 0xa0fb00f7,
74 .crtc_gs = 0xc0080007,
75 .crtc_vpos_gs = 0x00080007,
76 .crtc_rev = 0x0000000a,
77 .crtc_dclk = 0xa1700030,
78 .crtc_gclk = 0x8015010f,
79 .crtc_goe = 0x00000000,
80 .pll_freq = 95,
81 .pixclk_divider = 0xb,
82 .pixclk_divider_rotated = 4,
83 .pixclk_src = CLK_SRC_PLL,
84 .sysclk_divider = 1,
85 .sysclk_src = CLK_SRC_PLL,
86};
87
88static struct w100_gpio_regs himalaya_w100_gpio_info = {
89 .init_data1 = 0xffff0000, /* GPIO_DATA */
90 .gpio_dir1 = 0x00000000, /* GPIO_CNTL1 */
91 .gpio_oe1 = 0x003c0000, /* GPIO_CNTL2 */
92 .init_data2 = 0x00000000, /* GPIO_DATA2 */
93 .gpio_dir2 = 0x00000000, /* GPIO_CNTL3 */
94 .gpio_oe2 = 0x00000000, /* GPIO_CNTL4 */
95};
96
97static struct w100fb_mach_info himalaya_fb_info = {
98 .num_modes = 1,
99 .regs = &himalaya_lcd_regs,
100 .gpio = &himalaya_w100_gpio_info,
101 .xtal_freq = 16000000,
102};
103
104static struct resource himalaya_fb_resources[] = {
105 [0] = {
106 .start = 0x08000000,
107 .end = 0x08ffffff,
108 .flags = IORESOURCE_MEM,
109 },
110};
111
112static struct platform_device himalaya_fb_device = {
113 .name = "w100fb",
114 .id = -1,
115 .dev = {
116 .platform_data = &himalaya_fb_info,
117 },
118 .num_resources = ARRAY_SIZE(himalaya_fb_resources),
119 .resource = himalaya_fb_resources,
120};
121
122/* ----------------------------------------------------------------------- */
123
124static struct platform_device *devices[] __initdata = {
125 &himalaya_fb_device,
126};
127
128static void __init himalaya_lcd_init(void)
129{
130 int himalaya_boardid;
131
132 himalaya_boardid = 0x4; /* hardcoded (detection needs ASIC3 functions) */
133 printk(KERN_INFO "himalaya LCD Driver init. boardid=%d\n",
134 himalaya_boardid);
135
136 switch (himalaya_boardid) {
137 case 0x4:
138 himalaya_fb_info.modelist = &himalaya4_lcd_mode;
139 break;
140 case 0x6:
141 himalaya_fb_info.modelist = &himalaya6_lcd_mode;
142 break;
143 default:
144 printk(KERN_INFO "himalaya lcd_init: unknown boardid=%d. Using 0x4\n",
145 himalaya_boardid);
146 himalaya_fb_info.modelist = &himalaya4_lcd_mode;
147 }
148}
149
150static void __init himalaya_init(void)
151{
Russell Kingcc155c62009-11-09 13:34:08 +0800[diff] [blame]152 pxa_set_ffuart_info(NULL);
153 pxa_set_btuart_info(NULL);
154 pxa_set_stuart_info(NULL);
Zbynek Michlb7eb1a52009-01-02 00:26:13 +0100[diff] [blame]155 himalaya_lcd_init();
156 platform_add_devices(devices, ARRAY_SIZE(devices));
157}
158
159
160MACHINE_START(HIMALAYA, "HTC Himalaya")
Nicolas Pitre7375aba2011-07-05 22:38:15 -0400[diff] [blame]161 .atag_offset = 0x100,
Marek Vasut851982c2010-10-11 02:20:19 +0200[diff] [blame]162 .map_io = pxa25x_map_io,
Rob Herring4e611092012-01-03 16:53:48 -0600[diff] [blame]163 .nr_irqs = PXA_NR_IRQS,
Zbynek Michlb7eb1a52009-01-02 00:26:13 +0100[diff] [blame]164 .init_irq = pxa25x_init_irq,
Eric Miao8a97ae22011-05-18 21:30:04 +0800[diff] [blame]165 .handle_irq = pxa25x_handle_irq,
Zbynek Michlb7eb1a52009-01-02 00:26:13 +0100[diff] [blame]166 .init_machine = himalaya_init,
167 .timer = &pxa_timer,
Russell King271a74f2011-11-04 14:15:53 +0000[diff] [blame]168 .restart = pxa_restart,
Zbynek Michlb7eb1a52009-01-02 00:26:13 +0100[diff] [blame]169MACHINE_END