LXR linux/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
  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