arch/arm/mach-pxa/poodle.c

   1 /*
   2  * linux/arch/arm/mach-pxa/poodle.c
   3  *
   4  *  Support for the SHARP Poodle Board.
   5  *
   6  * Based on:
   7  *  linux/arch/arm/mach-pxa/lubbock.c Author:   Nicolas Pitre
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License version 2 as
  11  *  published by the Free Software Foundation.
  12  *
  13  * Change Log
  14  *  12-Dec-2002 Sharp Corporation for Poodle
  15  *  John Lenz <lenz@cs.wisc.edu> updates to 2.6
  16  */
  17 #include <linux/kernel.h>
  18 #include <linux/init.h>
  19 #include <linux/device.h>
  20 #include <linux/fb.h>
  21
  22 #include <asm/hardware.h>
  23 #include <asm/mach-types.h>
  24 #include <asm/irq.h>
  25 #include <asm/setup.h>
  26
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/map.h>
  29 #include <asm/mach/irq.h>
  30
  31 #include <asm/arch/pxa-regs.h>
  32 #include <asm/arch/irq.h>
  33 #include <asm/arch/poodle.h>
  34 #include <asm/arch/pxafb.h>
  35
  36 #include <asm/hardware/scoop.h>
  37 #include <asm/hardware/locomo.h>
  38 #include <asm/mach/sharpsl_param.h>
  39
  40 #include "generic.h"
  41
  42 static struct resource poodle_scoop_resources[] = {
  43         [0] = {
  44                 .start          = 0x10800000,
  45                 .end            = 0x10800fff,
  46                 .flags          = IORESOURCE_MEM,
  47         },
  48 };
  49
  50 static struct scoop_config poodle_scoop_setup = {
  51         .io_dir         = POODLE_SCOOP_IO_DIR,
  52         .io_out         = POODLE_SCOOP_IO_OUT,
  53 };
  54
  55 struct platform_device poodle_scoop_device = {
  56         .name           = "sharp-scoop",
  57         .id             = -1,
  58         .dev            = {
  59                 .platform_data  = &poodle_scoop_setup,
  60         },
  61         .num_resources  = ARRAY_SIZE(poodle_scoop_resources),
  62         .resource       = poodle_scoop_resources,
  63 };
  64
  65 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
  66 {
  67         .dev        = &poodle_scoop_device.dev,
  68         .irq        = POODLE_IRQ_GPIO_CF_IRQ,
  69         .cd_irq     = POODLE_IRQ_GPIO_CF_CD,
  70         .cd_irq_str = "PCMCIA0 CD",
  71 },
  72 };
  73
  74
  75 /* LoCoMo device */
  76 static struct resource locomo_resources[] = {
  77         [0] = {
  78                 .start          = 0x10000000,
  79                 .end            = 0x10001fff,
  80                 .flags          = IORESOURCE_MEM,
  81         },
  82         [1] = {
  83                 .start          = IRQ_GPIO(10),
  84                 .end            = IRQ_GPIO(10),
  85                 .flags          = IORESOURCE_IRQ,
  86         },
  87 };
  88
  89 static struct platform_device locomo_device = {
  90         .name           = "locomo",
  91         .id             = 0,
  92         .num_resources  = ARRAY_SIZE(locomo_resources),
  93         .resource       = locomo_resources,
  94 };
  95
  96 /* PXAFB device */
  97 static struct pxafb_mach_info poodle_fb_info __initdata = {
  98         .pixclock       = 144700,
  99
 100         .xres           = 320,
 101         .yres           = 240,
 102         .bpp            = 16,
 103
 104         .hsync_len      = 7,
 105         .left_margin    = 11,
 106         .right_margin   = 30,
 107
 108         .vsync_len      = 2,
 109         .upper_margin   = 2,
 110         .lower_margin   = 0,
 111         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 112
 113         .lccr0          = LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
 114         .lccr3          = 0,
 115
 116         .pxafb_backlight_power  = NULL,
 117         .pxafb_lcd_power        = NULL,
 118 };
 119
 120 static struct platform_device *devices[] __initdata = {
 121         &locomo_device,
 122         &poodle_scoop_device,
 123 };
 124
 125 static void __init poodle_init(void)
 126 {
 127         int ret = 0;
 128
 129         /* cpu initialize */
 130         /* Pgsr Register */
 131         PGSR0 = 0x0146dd80;
 132         PGSR1 = 0x03bf0890;
 133         PGSR2 = 0x0001c000;
 134
 135         /* Alternate Register */
 136         GAFR0_L = 0x01001000;
 137         GAFR0_U = 0x591a8010;
 138         GAFR1_L = 0x900a8451;
 139         GAFR1_U = 0xaaa5aaaa;
 140         GAFR2_L = 0x8aaaaaaa;
 141         GAFR2_U = 0x00000002;
 142
 143         /* Direction Register */
 144         GPDR0 = 0xd3f0904c;
 145         GPDR1 = 0xfcffb7d3;
 146         GPDR2 = 0x0001ffff;
 147
 148         /* Output Register */
 149         GPCR0 = 0x00000000;
 150         GPCR1 = 0x00000000;
 151         GPCR2 = 0x00000000;
 152
 153         GPSR0 = 0x00400000;
 154         GPSR1 = 0x00000000;
 155         GPSR2 = 0x00000000;
 156
 157         set_pxa_fb_info(&poodle_fb_info);
 158
 159         scoop_num = 1;
 160         scoop_devs = &poodle_pcmcia_scoop[0];
 161
 162         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 163         if (ret) {
 164                 printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n");
 165         }
 166 }
 167
 168 static void __init fixup_poodle(struct machine_desc *desc,
 169                 struct tag *tags, char **cmdline, struct meminfo *mi)
 170 {
 171         sharpsl_save_param();
 172 }
 173
 174 static struct map_desc poodle_io_desc[] __initdata = {
 175  /* virtual     physical    length                   */
 176   { 0xef800000, 0x00000000, 0x00800000, MT_DEVICE }, /* Boot Flash */
 177 };
 178
 179 static void __init poodle_map_io(void)
 180 {
 181         pxa_map_io();
 182         iotable_init(poodle_io_desc, ARRAY_SIZE(poodle_io_desc));
 183
 184         /* setup sleep mode values */
 185         PWER  = 0x00000002;
 186         PFER  = 0x00000000;
 187         PRER  = 0x00000002;
 188         PGSR0 = 0x00008000;
 189         PGSR1 = 0x003F0202;
 190         PGSR2 = 0x0001C000;
 191         PCFR |= PCFR_OPDE;
 192 }
 193
 194 MACHINE_START(POODLE, "SHARP Poodle")
 195         .phys_ram       = 0xa0000000,
 196         .phys_io        = 0x40000000,
 197         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 198         .fixup          = fixup_poodle,
 199         .map_io         = poodle_map_io,
 200         .init_irq       = pxa_init_irq,
 201         .timer          = &pxa_timer,
 202         .init_machine   = poodle_init,
 203 MACHINE_END