LXR linux/arch/arm/mach-pxa/himalaya.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * linux/arch/arm/mach-pxa/himalaya.c
   4 *
   5 * Hardware definitions for the HTC Himalaya
   6 *
   7 * Based on 2.6.21-hh20's himalaya.c and himalaya_lcd.c
   8 *
   9 * Copyright (c) 2008 Zbynek Michl <Zbynek.Michl@seznam.cz>
  10 */
  11
  12#include <linux/kernel.h>
  13#include <linux/init.h>
  14#include <linux/device.h>
  15#include <linux/fb.h>
  16#include <linux/platform_device.h>
  17
  18#include <video/w100fb.h>
  19
  20#include <asm/setup.h>
  21#include <asm/mach-types.h>
  22#include <asm/mach/arch.h>
  23
  24#include "pxa25x.h"
  25
  26#include "generic.h"
  27
  28/* ---------------------- Himalaya LCD definitions -------------------- */
  29
  30static struct w100_gen_regs himalaya_lcd_regs = {
  31        .lcd_format =        0x00000003,
  32        .lcdd_cntl1 =        0x00000000,
  33        .lcdd_cntl2 =        0x0003ffff,
  34        .genlcd_cntl1 =      0x00fff003,
  35        .genlcd_cntl2 =      0x00000003,
  36        .genlcd_cntl3 =      0x000102aa,
  37};
  38
  39static struct w100_mode himalaya4_lcd_mode = {
  40        .xres           = 240,
  41        .yres           = 320,
  42        .left_margin    = 0,
  43        .right_margin   = 31,
  44        .upper_margin   = 15,
  45        .lower_margin   = 0,
  46        .crtc_ss        = 0x80150014,
  47        .crtc_ls        = 0xa0fb00f7,
  48        .crtc_gs        = 0xc0080007,
  49        .crtc_vpos_gs   = 0x00080007,
  50        .crtc_rev       = 0x0000000a,
  51        .crtc_dclk      = 0x81700030,
  52        .crtc_gclk      = 0x8015010f,
  53        .crtc_goe       = 0x00000000,
  54        .pll_freq       = 80,
  55        .pixclk_divider = 15,
  56        .pixclk_divider_rotated = 15,
  57        .pixclk_src     = CLK_SRC_PLL,
  58        .sysclk_divider = 0,
  59        .sysclk_src     = CLK_SRC_PLL,
  60};
  61
  62static struct w100_mode himalaya6_lcd_mode = {
  63        .xres           = 240,
  64        .yres           = 320,
  65        .left_margin    = 9,
  66        .right_margin   = 8,
  67        .upper_margin   = 5,
  68        .lower_margin   = 4,
  69        .crtc_ss        = 0x80150014,
  70        .crtc_ls        = 0xa0fb00f7,
  71        .crtc_gs        = 0xc0080007,
  72        .crtc_vpos_gs   = 0x00080007,
  73        .crtc_rev       = 0x0000000a,
  74        .crtc_dclk      = 0xa1700030,
  75        .crtc_gclk      = 0x8015010f,
  76        .crtc_goe       = 0x00000000,
  77        .pll_freq       = 95,
  78        .pixclk_divider = 0xb,
  79        .pixclk_divider_rotated = 4,
  80        .pixclk_src     = CLK_SRC_PLL,
  81        .sysclk_divider = 1,
  82        .sysclk_src     = CLK_SRC_PLL,
  83};
  84
  85static struct w100_gpio_regs himalaya_w100_gpio_info = {
  86        .init_data1 = 0xffff0000,       /* GPIO_DATA  */
  87        .gpio_dir1  = 0x00000000,       /* GPIO_CNTL1 */
  88        .gpio_oe1   = 0x003c0000,       /* GPIO_CNTL2 */
  89        .init_data2 = 0x00000000,       /* GPIO_DATA2 */
  90        .gpio_dir2  = 0x00000000,       /* GPIO_CNTL3 */
  91        .gpio_oe2   = 0x00000000,       /* GPIO_CNTL4 */
  92};
  93
  94static struct w100fb_mach_info himalaya_fb_info = {
  95        .num_modes  = 1,
  96        .regs       = &himalaya_lcd_regs,
  97        .gpio       = &himalaya_w100_gpio_info,
  98        .xtal_freq = 16000000,
  99};
 100
 101static struct resource himalaya_fb_resources[] = {
 102        [0] = {
 103                .start  = 0x08000000,
 104                .end    = 0x08ffffff,
 105                .flags  = IORESOURCE_MEM,
 106        },
 107};
 108
 109static struct platform_device himalaya_fb_device = {
 110        .name           = "w100fb",
 111        .id             = -1,
 112        .dev            = {
 113                .platform_data  = &himalaya_fb_info,
 114        },
 115        .num_resources  = ARRAY_SIZE(himalaya_fb_resources),
 116        .resource       = himalaya_fb_resources,
 117};
 118
 119/* ----------------------------------------------------------------------- */
 120
 121static struct platform_device *devices[] __initdata = {
 122        &himalaya_fb_device,
 123};
 124
 125static void __init himalaya_lcd_init(void)
 126{
 127        int himalaya_boardid;
 128
 129        himalaya_boardid = 0x4; /* hardcoded (detection needs ASIC3 functions) */
 130        printk(KERN_INFO "himalaya LCD Driver init. boardid=%d\n",
 131                himalaya_boardid);
 132
 133        switch (himalaya_boardid) {
 134        case 0x4:
 135                himalaya_fb_info.modelist = &himalaya4_lcd_mode;
 136        break;
 137        case 0x6:
 138                himalaya_fb_info.modelist = &himalaya6_lcd_mode;
 139        break;
 140        default:
 141                printk(KERN_INFO "himalaya lcd_init: unknown boardid=%d. Using 0x4\n",
 142                        himalaya_boardid);
 143                himalaya_fb_info.modelist = &himalaya4_lcd_mode;
 144        }
 145}
 146
 147static void __init himalaya_init(void)
 148{
 149        pxa_set_ffuart_info(NULL);
 150        pxa_set_btuart_info(NULL);
 151        pxa_set_stuart_info(NULL);
 152        himalaya_lcd_init();
 153        platform_add_devices(devices, ARRAY_SIZE(devices));
 154}
 155
 156
 157MACHINE_START(HIMALAYA, "HTC Himalaya")
 158        .atag_offset = 0x100,
 159        .map_io = pxa25x_map_io,
 160        .nr_irqs = PXA_NR_IRQS,
 161        .init_irq = pxa25x_init_irq,
 162        .handle_irq = pxa25x_handle_irq,
 163        .init_machine = himalaya_init,
 164        .init_time      = pxa_timer_init,
 165        .restart        = pxa_restart,
 166MACHINE_END
 167