Merge branch 'depends/rmk/smp' into tmp
[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / arm / mach-pxa / himalaya.c
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
27 #include <mach/pxa25x.h>
28
29 #include "generic.h"
30
31 /* ---------------------- Himalaya LCD definitions -------------------- */
32
33 static 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
42 static 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
65 static 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
88 static 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
97 static 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
104 static struct resource himalaya_fb_resources[] = {
105         [0] = {
106                 .start  = 0x08000000,
107                 .end    = 0x08ffffff,
108                 .flags  = IORESOURCE_MEM,
109         },
110 };
111
112 static 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
124 static struct platform_device *devices[] __initdata = {
125         &himalaya_fb_device,
126 };
127
128 static 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
150 static void __init himalaya_init(void)
151 {
152         pxa_set_ffuart_info(NULL);
153         pxa_set_btuart_info(NULL);
154         pxa_set_stuart_info(NULL);
155         himalaya_lcd_init();
156         platform_add_devices(devices, ARRAY_SIZE(devices));
157 }
158
159
160 MACHINE_START(HIMALAYA, "HTC Himalaya")
161         .boot_params = 0xa0000100,
162         .map_io = pxa25x_map_io,
163         .init_irq = pxa25x_init_irq,
164         .handle_irq = pxa25x_handle_irq,
165         .init_machine = himalaya_init,
166         .timer = &pxa_timer,
167 MACHINE_END