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