• Home
  • History
  • Annotate
  • Line#
  • Navigate
  • Raw
  • Download
  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/arch/arm/mach-pxa/
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/mfp-pxa25x.h>
28#include <mach/hardware.h>
29
30#include "generic.h"
31
32/* ---------------------- Himalaya LCD definitions -------------------- */
33
34static struct w100_gen_regs himalaya_lcd_regs = {
35	.lcd_format =        0x00000003,
36	.lcdd_cntl1 =        0x00000000,
37	.lcdd_cntl2 =        0x0003ffff,
38	.genlcd_cntl1 =      0x00fff003,
39	.genlcd_cntl2 =      0x00000003,
40	.genlcd_cntl3 =      0x000102aa,
41};
42
43static struct w100_mode himalaya4_lcd_mode = {
44	.xres 		= 240,
45	.yres 		= 320,
46	.left_margin 	= 0,
47	.right_margin 	= 31,
48	.upper_margin 	= 15,
49	.lower_margin 	= 0,
50	.crtc_ss	= 0x80150014,
51	.crtc_ls	= 0xa0fb00f7,
52	.crtc_gs	= 0xc0080007,
53	.crtc_vpos_gs	= 0x00080007,
54	.crtc_rev	= 0x0000000a,
55	.crtc_dclk	= 0x81700030,
56	.crtc_gclk	= 0x8015010f,
57	.crtc_goe	= 0x00000000,
58	.pll_freq 	= 80,
59	.pixclk_divider = 15,
60	.pixclk_divider_rotated = 15,
61	.pixclk_src     = CLK_SRC_PLL,
62	.sysclk_divider = 0,
63	.sysclk_src     = CLK_SRC_PLL,
64};
65
66static struct w100_mode himalaya6_lcd_mode = {
67	.xres 		= 240,
68	.yres 		= 320,
69	.left_margin 	= 9,
70	.right_margin 	= 8,
71	.upper_margin 	= 5,
72	.lower_margin 	= 4,
73	.crtc_ss	= 0x80150014,
74	.crtc_ls	= 0xa0fb00f7,
75	.crtc_gs	= 0xc0080007,
76	.crtc_vpos_gs	= 0x00080007,
77	.crtc_rev	= 0x0000000a,
78	.crtc_dclk	= 0xa1700030,
79	.crtc_gclk	= 0x8015010f,
80	.crtc_goe	= 0x00000000,
81	.pll_freq 	= 95,
82	.pixclk_divider = 0xb,
83	.pixclk_divider_rotated = 4,
84	.pixclk_src     = CLK_SRC_PLL,
85	.sysclk_divider = 1,
86	.sysclk_src     = CLK_SRC_PLL,
87};
88
89static struct w100_gpio_regs himalaya_w100_gpio_info = {
90	.init_data1 = 0xffff0000,	/* GPIO_DATA  */
91	.gpio_dir1  = 0x00000000,	/* GPIO_CNTL1 */
92	.gpio_oe1   = 0x003c0000,	/* GPIO_CNTL2 */
93	.init_data2 = 0x00000000,	/* GPIO_DATA2 */
94	.gpio_dir2  = 0x00000000,	/* GPIO_CNTL3 */
95	.gpio_oe2   = 0x00000000,	/* GPIO_CNTL4 */
96};
97
98static struct w100fb_mach_info himalaya_fb_info = {
99	.num_modes  = 1,
100	.regs       = &himalaya_lcd_regs,
101	.gpio       = &himalaya_w100_gpio_info,
102	.xtal_freq = 16000000,
103};
104
105static struct resource himalaya_fb_resources[] = {
106	[0] = {
107		.start	= 0x08000000,
108		.end	= 0x08ffffff,
109		.flags	= IORESOURCE_MEM,
110	},
111};
112
113static struct platform_device himalaya_fb_device = {
114	.name           = "w100fb",
115	.id             = -1,
116	.dev            = {
117		.platform_data  = &himalaya_fb_info,
118	},
119	.num_resources  = ARRAY_SIZE(himalaya_fb_resources),
120	.resource       = himalaya_fb_resources,
121};
122
123/* ----------------------------------------------------------------------- */
124
125static struct platform_device *devices[] __initdata = {
126	&himalaya_fb_device,
127};
128
129static void __init himalaya_lcd_init(void)
130{
131	int himalaya_boardid;
132
133	himalaya_boardid = 0x4; /* hardcoded (detection needs ASIC3 functions) */
134	printk(KERN_INFO "himalaya LCD Driver init. boardid=%d\n",
135		himalaya_boardid);
136
137	switch (himalaya_boardid) {
138	case 0x4:
139		himalaya_fb_info.modelist = &himalaya4_lcd_mode;
140	break;
141	case 0x6:
142		himalaya_fb_info.modelist = &himalaya6_lcd_mode;
143	break;
144	default:
145		printk(KERN_INFO "himalaya lcd_init: unknown boardid=%d. Using 0x4\n",
146			himalaya_boardid);
147		himalaya_fb_info.modelist = &himalaya4_lcd_mode;
148	}
149}
150
151static void __init himalaya_init(void)
152{
153	pxa_set_ffuart_info(NULL);
154	pxa_set_btuart_info(NULL);
155	pxa_set_stuart_info(NULL);
156	himalaya_lcd_init();
157	platform_add_devices(devices, ARRAY_SIZE(devices));
158}
159
160
161MACHINE_START(HIMALAYA, "HTC Himalaya")
162	.phys_io = 0x40000000,
163	.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
164	.boot_params = 0xa0000100,
165	.map_io = pxa_map_io,
166	.init_irq = pxa25x_init_irq,
167	.init_machine = himalaya_init,
168	.timer = &pxa_timer,
169MACHINE_END
170