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 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{ 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 160MACHINE_START(HIMALAYA, "HTC Himalaya") 161 .atag_offset = 0x100, 162 .map_io = pxa25x_map_io, 163 .nr_irqs = PXA_NR_IRQS, 164 .init_irq = pxa25x_init_irq, 165 .handle_irq = pxa25x_handle_irq, 166 .init_machine = himalaya_init, 167 .init_time = pxa_timer_init, 168 .restart = pxa_restart, 169MACHINE_END 170