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
  66 /* LoCoMo device */
  67 static struct resource locomo_resources[] = {
  68         [0] = {
  69                 .start          = 0x10000000,
  70                 .end            = 0x10001fff,
  71                 .flags          = IORESOURCE_MEM,
  72         },
  73         [1] = {
  74                 .start          = IRQ_GPIO(10),
  75                 .end            = IRQ_GPIO(10),
  76                 .flags          = IORESOURCE_IRQ,
  77         },
  78 };
  79
  80 static struct platform_device locomo_device = {
  81         .name           = "locomo",
  82         .id             = 0,
  83         .num_resources  = ARRAY_SIZE(locomo_resources),
  84         .resource       = locomo_resources,
  85 };
  86
  87 /* PXAFB device */
  88 static struct pxafb_mach_info poodle_fb_info __initdata = {
  89         .pixclock       = 144700,
  90
  91         .xres           = 320,
  92         .yres           = 240,
  93         .bpp            = 16,
  94
  95         .hsync_len      = 7,
  96         .left_margin    = 11,
  97         .right_margin   = 30,
  98
  99         .vsync_len      = 2,
 100         .upper_margin   = 2,
 101         .lower_margin   = 0,
 102         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 103
 104         .lccr0          = LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
 105         .lccr3          = 0,
 106
 107         .pxafb_backlight_power  = NULL,
 108         .pxafb_lcd_power        = NULL,
 109 };
 110
 111 static struct platform_device *devices[] __initdata = {
 112         &locomo_device,
 113         &poodle_scoop_device,
 114 };
 115
 116 static void __init poodle_init(void)
 117 {
 118         int ret = 0;
 119
 120         /* cpu initialize */
 121         /* Pgsr Register */
 122         PGSR0 = 0x0146dd80;
 123         PGSR1 = 0x03bf0890;
 124         PGSR2 = 0x0001c000;
 125
 126         /* Alternate Register */
 127         GAFR0_L = 0x01001000;
 128         GAFR0_U = 0x591a8010;
 129         GAFR1_L = 0x900a8451;
 130         GAFR1_U = 0xaaa5aaaa;
 131         GAFR2_L = 0x8aaaaaaa;
 132         GAFR2_U = 0x00000002;
 133
 134         /* Direction Register */
 135         GPDR0 = 0xd3f0904c;
 136         GPDR1 = 0xfcffb7d3;
 137         GPDR2 = 0x0001ffff;
 138
 139         /* Output Register */
 140         GPCR0 = 0x00000000;
 141         GPCR1 = 0x00000000;
 142         GPCR2 = 0x00000000;
 143
 144         GPSR0 = 0x00400000;
 145         GPSR1 = 0x00000000;
 146         GPSR2 = 0x00000000;
 147
 148         set_pxa_fb_info(&poodle_fb_info);
 149
 150         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 151         if (ret) {
 152                 printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n");
 153         }
 154 }
 155
 156 static void __init fixup_poodle(struct machine_desc *desc,
 157                 struct tag *tags, char **cmdline, struct meminfo *mi)
 158 {
 159         sharpsl_save_param();
 160 }
 161
 162 static struct map_desc poodle_io_desc[] __initdata = {
 163  /* virtual     physical    length                   */
 164   { 0xef800000, 0x00000000, 0x00800000, MT_DEVICE }, /* Boot Flash */
 165 };
 166
 167 static void __init poodle_map_io(void)
 168 {
 169         pxa_map_io();
 170         iotable_init(poodle_io_desc, ARRAY_SIZE(poodle_io_desc));
 171
 172         /* setup sleep mode values */
 173         PWER  = 0x00000002;
 174         PFER  = 0x00000000;
 175         PRER  = 0x00000002;
 176         PGSR0 = 0x00008000;
 177         PGSR1 = 0x003F0202;
 178         PGSR2 = 0x0001C000;
 179         PCFR |= PCFR_OPDE;
 180 }
 181
 182 MACHINE_START(POODLE, "SHARP Poodle")
 183         BOOT_MEM(0xa0000000, 0x40000000, io_p2v(0x40000000))
 184         FIXUP(fixup_poodle)
 185         MAPIO(poodle_map_io)
 186         INITIRQ(pxa_init_irq)
 187         .timer = &pxa_timer,
 188         .init_machine = poodle_init,
 189 MACHINE_END