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/mfp-pxa25x.h>
  28 #include <mach/hardware.h>
  29
  30 #include "generic.h"
  31
  32 /* ---------------------- Himalaya LCD definitions -------------------- */
  33
  34 static 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
  43 static 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
  66 static 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
  89 static 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
  98 static 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
 105 static struct resource himalaya_fb_resources[] = {
 106         [0] = {
 107                 .start  = 0x08000000,
 108                 .end    = 0x08ffffff,
 109                 .flags  = IORESOURCE_MEM,
 110         },
 111 };
 112
 113 static 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
 125 static struct platform_device *devices[] __initdata = {
 126         &himalaya_fb_device,
 127 };
 128
 129 static 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
 151 static void __init himalaya_init(void)
 152 {
 153         himalaya_lcd_init();
 154         platform_add_devices(devices, ARRAY_SIZE(devices));
 155 }
 156
 157
 158 MACHINE_START(HIMALAYA, "HTC Himalaya")
 159         .phys_io = 0x40000000,
 160         .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
 161         .boot_params = 0xa0000100,
 162         .map_io = pxa_map_io,
 163         .init_irq = pxa25x_init_irq,
 164         .init_machine = himalaya_init,
 165         .timer = &pxa_timer,
 166 MACHINE_END