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 #include <linux/mfd/tc6393xb.h>
  19
  20 #include <video/w100fb.h>
  21
  22 #include <asm/setup.h>
  23 #include <asm/mach/arch.h>
  24 #include <asm/mach-types.h>
  25
  26 #include <mach/pxa25x.h>
  27 #include <mach/eseries-gpio.h>
  28 #include <mach/udc.h>
  29 #include <mach/irqs.h>
  30
  31 #include "generic.h"
  32 #include "eseries.h"
  33 #include "clock.h"
  34
  35 /* ------------------------ e800 LCD definitions ------------------------- */
  36
  37 static struct w100_gen_regs e800_lcd_regs = {
  38         .lcd_format =            0x00008003,
  39         .lcdd_cntl1 =            0x02a00000,
  40         .lcdd_cntl2 =            0x0003ffff,
  41         .genlcd_cntl1 =          0x000ff2a3,
  42         .genlcd_cntl2 =          0x000002a3,
  43         .genlcd_cntl3 =          0x000102aa,
  44 };
  45
  46 static struct w100_mode e800_lcd_mode[2] = {
  47         [0] = {
  48                 .xres            = 480,
  49                 .yres            = 640,
  50                 .left_margin     = 52,
  51                 .right_margin    = 148,
  52                 .upper_margin    = 2,
  53                 .lower_margin    = 6,
  54                 .crtc_ss         = 0x80350034,
  55                 .crtc_ls         = 0x802b0026,
  56                 .crtc_gs         = 0x80160016,
  57                 .crtc_vpos_gs    = 0x00020003,
  58                 .crtc_rev        = 0x0040001d,
  59                 .crtc_dclk       = 0xe0000000,
  60                 .crtc_gclk       = 0x82a50049,
  61                 .crtc_goe        = 0x80ee001c,
  62                 .crtc_ps1_active = 0x00000000,
  63                 .pll_freq        = 128,
  64                 .pixclk_divider         = 4,
  65                 .pixclk_divider_rotated = 6,
  66                 .pixclk_src     = CLK_SRC_PLL,
  67                 .sysclk_divider  = 0,
  68                 .sysclk_src     = CLK_SRC_PLL,
  69         },
  70         [1] = {
  71                 .xres            = 240,
  72                 .yres            = 320,
  73                 .left_margin     = 15,
  74                 .right_margin    = 88,
  75                 .upper_margin    = 0,
  76                 .lower_margin    = 7,
  77                 .crtc_ss         = 0xd010000f,
  78                 .crtc_ls         = 0x80070003,
  79                 .crtc_gs         = 0x80000000,
  80                 .crtc_vpos_gs    = 0x01460147,
  81                 .crtc_rev        = 0x00400003,
  82                 .crtc_dclk       = 0xa1700030,
  83                 .crtc_gclk       = 0x814b0008,
  84                 .crtc_goe        = 0x80cc0015,
  85                 .crtc_ps1_active = 0x00000000,
  86                 .pll_freq        = 100,
  87                 .pixclk_divider         = 6, /* Wince uses 14 which gives a */
  88                 .pixclk_divider_rotated = 6, /* 7MHz Pclk. We use a 14MHz one */
  89                 .pixclk_src     = CLK_SRC_PLL,
  90                 .sysclk_divider  = 0,
  91                 .sysclk_src     = CLK_SRC_PLL,
  92         }
  93 };
  94
  95
  96 static struct w100_gpio_regs e800_w100_gpio_info = {
  97         .init_data1 = 0xc13fc019,
  98         .gpio_dir1  = 0x3e40df7f,
  99         .gpio_oe1   = 0x003c3000,
 100         .init_data2 = 0x00000000,
 101         .gpio_dir2  = 0x00000000,
 102         .gpio_oe2   = 0x00000000,
 103 };
 104
 105 static struct w100_mem_info e800_w100_mem_info = {
 106         .ext_cntl        = 0x09640011,
 107         .sdram_mode_reg  = 0x00600021,
 108         .ext_timing_cntl = 0x10001545,
 109         .io_cntl         = 0x7ddd7333,
 110         .size            = 0x1fffff,
 111 };
 112
 113 static void e800_tg_change(struct w100fb_par *par)
 114 {
 115         unsigned long tmp;
 116
 117         tmp = w100fb_gpio_read(W100_GPIO_PORT_A);
 118         if (par->mode->xres == 480)
 119                 tmp |= 0x100;
 120         else
 121                 tmp &= ~0x100;
 122         w100fb_gpio_write(W100_GPIO_PORT_A, tmp);
 123 }
 124
 125 static struct w100_tg_info e800_tg_info = {
 126         .change = e800_tg_change,
 127 };
 128
 129 static struct w100fb_mach_info e800_fb_info = {
 130         .modelist   = e800_lcd_mode,
 131         .num_modes  = 2,
 132         .regs       = &e800_lcd_regs,
 133         .gpio       = &e800_w100_gpio_info,
 134         .mem        = &e800_w100_mem_info,
 135         .tg         = &e800_tg_info,
 136         .xtal_freq  = 16000000,
 137 };
 138
 139 static struct resource e800_fb_resources[] = {
 140         [0] = {
 141                 .start          = 0x0c000000,
 142                 .end            = 0x0cffffff,
 143                 .flags          = IORESOURCE_MEM,
 144         },
 145 };
 146
 147 static struct platform_device e800_fb_device = {
 148         .name           = "w100fb",
 149         .id             = -1,
 150         .dev            = {
 151                 .platform_data  = &e800_fb_info,
 152         },
 153         .num_resources  = ARRAY_SIZE(e800_fb_resources),
 154         .resource       = e800_fb_resources,
 155 };
 156
 157 /* --------------------------- UDC definitions --------------------------- */
 158
 159 static struct pxa2xx_udc_mach_info e800_udc_mach_info = {
 160         .gpio_vbus   = GPIO_E800_USB_DISC,
 161         .gpio_pullup = GPIO_E800_USB_PULLUP,
 162         .gpio_pullup_inverted = 1
 163 };
 164
 165 /* ----------------- e800 tc6393xb parameters ------------------ */
 166
 167 static struct tc6393xb_platform_data e800_tc6393xb_info = {
 168         .irq_base       = IRQ_BOARD_START,
 169         .scr_pll2cr     = 0x0cc1,
 170         .scr_gper       = 0,
 171         .gpio_base      = -1,
 172         .suspend        = &eseries_tmio_suspend,
 173         .resume         = &eseries_tmio_resume,
 174         .enable         = &eseries_tmio_enable,
 175         .disable        = &eseries_tmio_disable,
 176 };
 177
 178 static struct platform_device e800_tc6393xb_device = {
 179         .name           = "tc6393xb",
 180         .id             = -1,
 181         .dev            = {
 182                 .platform_data = &e800_tc6393xb_info,
 183         },
 184         .num_resources = 2,
 185         .resource      = eseries_tmio_resources,
 186 };
 187
 188 /* ----------------------------------------------------------------------- */
 189
 190 static struct platform_device *devices[] __initdata = {
 191         &e800_fb_device,
 192         &e800_tc6393xb_device,
 193 };
 194
 195 static void __init e800_init(void)
 196 {
 197         clk_add_alias("CLK_CK3P6MI", e800_tc6393xb_device.name,
 198                         "GPIO11_CLK", NULL),
 199         eseries_get_tmio_gpios();
 200         platform_add_devices(devices, ARRAY_SIZE(devices));
 201         pxa_set_udc_info(&e800_udc_mach_info);
 202 }
 203
 204 MACHINE_START(E800, "Toshiba e800")
 205         /* Maintainer: Ian Molton (spyro@f2s.com) */
 206         .phys_io        = 0x40000000,
 207         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 208         .boot_params    = 0xa0000100,
 209         .map_io         = pxa_map_io,
 210         .init_irq       = pxa25x_init_irq,
 211         .fixup          = eseries_fixup,
 212         .init_machine   = e800_init,
 213         .timer          = &pxa_timer,
 214 MACHINE_END
 215