arch/arm/mach-pxa/e800.c

   1 /*
   2  * Hardware definitions for the Toshiba eseries PDAs
   3  *
   4  * Copyright (c) 2003 Ian Molton <spyro@f2s.com>
   5  *
   6  * This file is licensed under
   7  * the terms of the GNU General Public License version 2. This program
   8  * is licensed "as is" without any warranty of any kind, whether express
   9  * or implied.
  10  *
  11  */
  12
  13 #include <linux/kernel.h>
  14 #include <linux/init.h>
  15 #include <linux/device.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/fb.h>
  18
  19 #include <video/w100fb.h>
  20
  21 #include <asm/setup.h>
  22 #include <asm/mach/arch.h>
  23 #include <asm/mach-types.h>
  24
  25 #include <mach/mfp-pxa25x.h>
  26 #include <mach/hardware.h>
  27 #include <mach/eseries-gpio.h>
  28 #include <mach/udc.h>
  29
  30 #include "generic.h"
  31 #include "eseries.h"
  32
  33 /* ------------------------ e800 LCD definitions ------------------------- */
  34
  35 static struct w100_gen_regs e800_lcd_regs = {
  36         .lcd_format =            0x00008003,
  37         .lcdd_cntl1 =            0x02a00000,
  38         .lcdd_cntl2 =            0x0003ffff,
  39         .genlcd_cntl1 =          0x000ff2a3,
  40         .genlcd_cntl2 =          0x000002a3,
  41         .genlcd_cntl3 =          0x000102aa,
  42 };
  43
  44 static struct w100_mode e800_lcd_mode[2] = {
  45         [0] = {
  46                 .xres            = 480,
  47                 .yres            = 640,
  48                 .left_margin     = 52,
  49                 .right_margin    = 148,
  50                 .upper_margin    = 2,
  51                 .lower_margin    = 6,
  52                 .crtc_ss         = 0x80350034,
  53                 .crtc_ls         = 0x802b0026,
  54                 .crtc_gs         = 0x80160016,
  55                 .crtc_vpos_gs    = 0x00020003,
  56                 .crtc_rev        = 0x0040001d,
  57                 .crtc_dclk       = 0xe0000000,
  58                 .crtc_gclk       = 0x82a50049,
  59                 .crtc_goe        = 0x80ee001c,
  60                 .crtc_ps1_active = 0x00000000,
  61                 .pll_freq        = 128,
  62                 .pixclk_divider         = 4,
  63                 .pixclk_divider_rotated = 6,
  64                 .pixclk_src     = CLK_SRC_PLL,
  65                 .sysclk_divider  = 0,
  66                 .sysclk_src     = CLK_SRC_PLL,
  67         },
  68         [1] = {
  69                 .xres            = 240,
  70                 .yres            = 320,
  71                 .left_margin     = 15,
  72                 .right_margin    = 88,
  73                 .upper_margin    = 0,
  74                 .lower_margin    = 7,
  75                 .crtc_ss         = 0xd010000f,
  76                 .crtc_ls         = 0x80070003,
  77                 .crtc_gs         = 0x80000000,
  78                 .crtc_vpos_gs    = 0x01460147,
  79                 .crtc_rev        = 0x00400003,
  80                 .crtc_dclk       = 0xa1700030,
  81                 .crtc_gclk       = 0x814b0008,
  82                 .crtc_goe        = 0x80cc0015,
  83                 .crtc_ps1_active = 0x00000000,
  84                 .pll_freq        = 100,
  85                 .pixclk_divider         = 6, /* Wince uses 14 which gives a */
  86                 .pixclk_divider_rotated = 6, /* 7MHz Pclk. We use a 14MHz one */
  87                 .pixclk_src     = CLK_SRC_PLL,
  88                 .sysclk_divider  = 0,
  89                 .sysclk_src     = CLK_SRC_PLL,
  90         }
  91 };
  92
  93
  94 static struct w100_gpio_regs e800_w100_gpio_info = {
  95         .init_data1 = 0xc13fc019,
  96         .gpio_dir1  = 0x3e40df7f,
  97         .gpio_oe1   = 0x003c3000,
  98         .init_data2 = 0x00000000,
  99         .gpio_dir2  = 0x00000000,
 100         .gpio_oe2   = 0x00000000,
 101 };
 102
 103 static struct w100_mem_info e800_w100_mem_info = {
 104         .ext_cntl        = 0x09640011,
 105         .sdram_mode_reg  = 0x00600021,
 106         .ext_timing_cntl = 0x10001545,
 107         .io_cntl         = 0x7ddd7333,
 108         .size            = 0x1fffff,
 109 };
 110
 111 static void e800_tg_change(struct w100fb_par *par)
 112 {
 113         unsigned long tmp;
 114
 115         tmp = w100fb_gpio_read(W100_GPIO_PORT_A);
 116         if (par->mode->xres == 480)
 117                 tmp |= 0x100;
 118         else
 119                 tmp &= ~0x100;
 120         w100fb_gpio_write(W100_GPIO_PORT_A, tmp);
 121 }
 122
 123 static struct w100_tg_info e800_tg_info = {
 124         .change = e800_tg_change,
 125 };
 126
 127 static struct w100fb_mach_info e800_fb_info = {
 128         .modelist   = e800_lcd_mode,
 129         .num_modes  = 2,
 130         .regs       = &e800_lcd_regs,
 131         .gpio       = &e800_w100_gpio_info,
 132         .mem        = &e800_w100_mem_info,
 133         .tg         = &e800_tg_info,
 134         .xtal_freq  = 16000000,
 135 };
 136
 137 static struct resource e800_fb_resources[] = {
 138         [0] = {
 139                 .start          = 0x0c000000,
 140                 .end            = 0x0cffffff,
 141                 .flags          = IORESOURCE_MEM,
 142         },
 143 };
 144
 145 static struct platform_device e800_fb_device = {
 146         .name           = "w100fb",
 147         .id             = -1,
 148         .dev            = {
 149                 .platform_data  = &e800_fb_info,
 150         },
 151         .num_resources  = ARRAY_SIZE(e800_fb_resources),
 152         .resource       = e800_fb_resources,
 153 };
 154
 155 /* --------------------------- UDC definitions --------------------------- */
 156
 157 static struct pxa2xx_udc_mach_info e800_udc_mach_info = {
 158         .gpio_vbus   = GPIO_E800_USB_DISC,
 159         .gpio_pullup = GPIO_E800_USB_PULLUP,
 160         .gpio_pullup_inverted = 1
 161 };
 162
 163 /* ----------------------------------------------------------------------- */
 164
 165 static struct platform_device *devices[] __initdata = {
 166         &e800_fb_device,
 167 };
 168
 169 static void __init e800_init(void)
 170 {
 171         platform_add_devices(devices, ARRAY_SIZE(devices));
 172         pxa_set_udc_info(&e800_udc_mach_info);
 173 }
 174
 175 MACHINE_START(E800, "Toshiba e800")
 176         /* Maintainer: Ian Molton (spyro@f2s.com) */
 177         .phys_io        = 0x40000000,
 178         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 179         .boot_params    = 0xa0000100,
 180         .map_io         = pxa_map_io,
 181         .init_irq       = pxa25x_init_irq,
 182         .fixup          = eseries_fixup,
 183         .init_machine   = e800_init,
 184         .timer          = &pxa_timer,
 185 MACHINE_END
 186