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/mfp-pxa25x.h>
  27 #include <mach/pxa-regs.h>
  28 #include <mach/hardware.h>
  29 #include <mach/eseries-gpio.h>
  30 #include <mach/udc.h>
  31 #include <mach/irqs.h>
  32
  33 #include "generic.h"
  34 #include "eseries.h"
  35 #include "clock.h"
  36
  37 /* ------------------------ e800 LCD definitions ------------------------- */
  38
  39 static struct w100_gen_regs e800_lcd_regs = {
  40         .lcd_format =            0x00008003,
  41         .lcdd_cntl1 =            0x02a00000,
  42         .lcdd_cntl2 =            0x0003ffff,
  43         .genlcd_cntl1 =          0x000ff2a3,
  44         .genlcd_cntl2 =          0x000002a3,
  45         .genlcd_cntl3 =          0x000102aa,
  46 };
  47
  48 static struct w100_mode e800_lcd_mode[2] = {
  49         [0] = {
  50                 .xres            = 480,
  51                 .yres            = 640,
  52                 .left_margin     = 52,
  53                 .right_margin    = 148,
  54                 .upper_margin    = 2,
  55                 .lower_margin    = 6,
  56                 .crtc_ss         = 0x80350034,
  57                 .crtc_ls         = 0x802b0026,
  58                 .crtc_gs         = 0x80160016,
  59                 .crtc_vpos_gs    = 0x00020003,
  60                 .crtc_rev        = 0x0040001d,
  61                 .crtc_dclk       = 0xe0000000,
  62                 .crtc_gclk       = 0x82a50049,
  63                 .crtc_goe        = 0x80ee001c,
  64                 .crtc_ps1_active = 0x00000000,
  65                 .pll_freq        = 128,
  66                 .pixclk_divider         = 4,
  67                 .pixclk_divider_rotated = 6,
  68                 .pixclk_src     = CLK_SRC_PLL,
  69                 .sysclk_divider  = 0,
  70                 .sysclk_src     = CLK_SRC_PLL,
  71         },
  72         [1] = {
  73                 .xres            = 240,
  74                 .yres            = 320,
  75                 .left_margin     = 15,
  76                 .right_margin    = 88,
  77                 .upper_margin    = 0,
  78                 .lower_margin    = 7,
  79                 .crtc_ss         = 0xd010000f,
  80                 .crtc_ls         = 0x80070003,
  81                 .crtc_gs         = 0x80000000,
  82                 .crtc_vpos_gs    = 0x01460147,
  83                 .crtc_rev        = 0x00400003,
  84                 .crtc_dclk       = 0xa1700030,
  85                 .crtc_gclk       = 0x814b0008,
  86                 .crtc_goe        = 0x80cc0015,
  87                 .crtc_ps1_active = 0x00000000,
  88                 .pll_freq        = 100,
  89                 .pixclk_divider         = 6, /* Wince uses 14 which gives a */
  90                 .pixclk_divider_rotated = 6, /* 7MHz Pclk. We use a 14MHz one */
  91                 .pixclk_src     = CLK_SRC_PLL,
  92                 .sysclk_divider  = 0,
  93                 .sysclk_src     = CLK_SRC_PLL,
  94         }
  95 };
  96
  97
  98 static struct w100_gpio_regs e800_w100_gpio_info = {
  99         .init_data1 = 0xc13fc019,
 100         .gpio_dir1  = 0x3e40df7f,
 101         .gpio_oe1   = 0x003c3000,
 102         .init_data2 = 0x00000000,
 103         .gpio_dir2  = 0x00000000,
 104         .gpio_oe2   = 0x00000000,
 105 };
 106
 107 static struct w100_mem_info e800_w100_mem_info = {
 108         .ext_cntl        = 0x09640011,
 109         .sdram_mode_reg  = 0x00600021,
 110         .ext_timing_cntl = 0x10001545,
 111         .io_cntl         = 0x7ddd7333,
 112         .size            = 0x1fffff,
 113 };
 114
 115 static void e800_tg_change(struct w100fb_par *par)
 116 {
 117         unsigned long tmp;
 118
 119         tmp = w100fb_gpio_read(W100_GPIO_PORT_A);
 120         if (par->mode->xres == 480)
 121                 tmp |= 0x100;
 122         else
 123                 tmp &= ~0x100;
 124         w100fb_gpio_write(W100_GPIO_PORT_A, tmp);
 125 }
 126
 127 static struct w100_tg_info e800_tg_info = {
 128         .change = e800_tg_change,
 129 };
 130
 131 static struct w100fb_mach_info e800_fb_info = {
 132         .modelist   = e800_lcd_mode,
 133         .num_modes  = 2,
 134         .regs       = &e800_lcd_regs,
 135         .gpio       = &e800_w100_gpio_info,
 136         .mem        = &e800_w100_mem_info,
 137         .tg         = &e800_tg_info,
 138         .xtal_freq  = 16000000,
 139 };
 140
 141 static struct resource e800_fb_resources[] = {
 142         [0] = {
 143                 .start          = 0x0c000000,
 144                 .end            = 0x0cffffff,
 145                 .flags          = IORESOURCE_MEM,
 146         },
 147 };
 148
 149 static struct platform_device e800_fb_device = {
 150         .name           = "w100fb",
 151         .id             = -1,
 152         .dev            = {
 153                 .platform_data  = &e800_fb_info,
 154         },
 155         .num_resources  = ARRAY_SIZE(e800_fb_resources),
 156         .resource       = e800_fb_resources,
 157 };
 158
 159 /* --------------------------- UDC definitions --------------------------- */
 160
 161 static struct pxa2xx_udc_mach_info e800_udc_mach_info = {
 162         .gpio_vbus   = GPIO_E800_USB_DISC,
 163         .gpio_pullup = GPIO_E800_USB_PULLUP,
 164         .gpio_pullup_inverted = 1
 165 };
 166
 167 /* ----------------- e800 tc6393xb parameters ------------------ */
 168
 169 static struct tc6393xb_platform_data e800_tc6393xb_info = {
 170         .irq_base       = IRQ_BOARD_START,
 171         .scr_pll2cr     = 0x0cc1,
 172         .scr_gper       = 0,
 173         .gpio_base      = -1,
 174         .suspend        = &eseries_tmio_suspend,
 175         .resume         = &eseries_tmio_resume,
 176         .enable         = &eseries_tmio_enable,
 177         .disable        = &eseries_tmio_disable,
 178 };
 179
 180 static struct platform_device e800_tc6393xb_device = {
 181         .name           = "tc6393xb",
 182         .id             = -1,
 183         .dev            = {
 184                 .platform_data = &e800_tc6393xb_info,
 185         },
 186         .num_resources = 2,
 187         .resource      = eseries_tmio_resources,
 188 };
 189
 190 /* ----------------------------------------------------------------------- */
 191
 192 static struct platform_device *devices[] __initdata = {
 193         &e800_fb_device,
 194         &e800_tc6393xb_device,
 195 };
 196
 197 static void __init e800_init(void)
 198 {
 199         clk_add_alias("CLK_CK3P6MI", &e800_tc6393xb_device.dev,
 200                         "GPIO11_CLK", NULL),
 201         eseries_get_tmio_gpios();
 202         platform_add_devices(devices, ARRAY_SIZE(devices));
 203         pxa_set_udc_info(&e800_udc_mach_info);
 204 }
 205
 206 MACHINE_START(E800, "Toshiba e800")
 207         /* Maintainer: Ian Molton (spyro@f2s.com) */
 208         .phys_io        = 0x40000000,
 209         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 210         .boot_params    = 0xa0000100,
 211         .map_io         = pxa_map_io,
 212         .init_irq       = pxa25x_init_irq,
 213         .fixup          = eseries_fixup,
 214         .init_machine   = e800_init,
 215         .timer          = &pxa_timer,
 216 MACHINE_END
 217