release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-pxa/h5000.c

   1 /*
   2  * Hardware definitions for HP iPAQ h5xxx Handheld Computers
   3  *
   4  * Copyright 2000-2003  Hewlett-Packard Company.
   5  * Copyright 2002       Jamey Hicks <jamey.hicks@hp.com>
   6  * Copyright 2004-2005  Phil Blundell <pb@handhelds.org>
   7  * Copyright 2007-2008  Anton Vorontsov <cbouatmailru@gmail.com>
   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 as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * COMPAQ COMPUTER CORPORATION MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
  15  * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
  16  * FITNESS FOR ANY PARTICULAR PURPOSE.
  17  *
  18  * Author: Jamey Hicks.
  19  */
  20
  21 #include <linux/kernel.h>
  22 #include <linux/init.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/mtd/mtd.h>
  25 #include <linux/mtd/partitions.h>
  26 #include <linux/mtd/physmap.h>
  27
  28 #include <asm/mach-types.h>
  29 #include <asm/mach/arch.h>
  30 #include <asm/mach/map.h>
  31
  32 #include <mach/pxa25x.h>
  33 #include <mach/h5000.h>
  34 #include <mach/udc.h>
  35
  36 #include "generic.h"
  37
  38 /*
  39  * Flash
  40  */
  41
  42 static struct mtd_partition h5000_flash0_partitions[] = {
  43         {
  44                 .name = "bootldr",
  45                 .size = 0x00040000,
  46                 .offset = 0,
  47                 .mask_flags = MTD_WRITEABLE,
  48         },
  49         {
  50                 .name = "root",
  51                 .size = MTDPART_SIZ_FULL,
  52                 .offset = MTDPART_OFS_APPEND,
  53         },
  54 };
  55
  56 static struct mtd_partition h5000_flash1_partitions[] = {
  57         {
  58                 .name = "second root",
  59                 .size = SZ_16M - 0x00040000,
  60                 .offset = 0,
  61         },
  62         {
  63                 .name = "asset",
  64                 .size = MTDPART_SIZ_FULL,
  65                 .offset = MTDPART_OFS_APPEND,
  66                 .mask_flags = MTD_WRITEABLE,
  67         },
  68 };
  69
  70 static struct physmap_flash_data h5000_flash0_data = {
  71         .width = 4,
  72         .parts = h5000_flash0_partitions,
  73         .nr_parts = ARRAY_SIZE(h5000_flash0_partitions),
  74 };
  75
  76 static struct physmap_flash_data h5000_flash1_data = {
  77         .width = 4,
  78         .parts = h5000_flash1_partitions,
  79         .nr_parts = ARRAY_SIZE(h5000_flash1_partitions),
  80 };
  81
  82 static struct resource h5000_flash0_resources = {
  83         .start = PXA_CS0_PHYS,
  84         .end = PXA_CS0_PHYS + SZ_32M - 1,
  85         .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
  86 };
  87
  88 static struct resource h5000_flash1_resources = {
  89         .start = PXA_CS0_PHYS + SZ_32M,
  90         .end = PXA_CS0_PHYS + SZ_32M + SZ_16M - 1,
  91         .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
  92 };
  93
  94 static struct platform_device h5000_flash[] = {
  95         {
  96                 .name = "physmap-flash",
  97                 .id = 0,
  98                 .resource = &h5000_flash0_resources,
  99                 .num_resources = 1,
 100                 .dev = {
 101                         .platform_data = &h5000_flash0_data,
 102                 },
 103         },
 104         {
 105                 .name = "physmap-flash",
 106                 .id = 1,
 107                 .resource = &h5000_flash1_resources,
 108                 .num_resources = 1,
 109                 .dev = {
 110                         .platform_data = &h5000_flash1_data,
 111                 },
 112         },
 113 };
 114
 115 /*
 116  * USB Device Controller
 117  */
 118
 119 static struct pxa2xx_udc_mach_info h5000_udc_mach_info __initdata = {
 120         .gpio_pullup = H5000_GPIO_USB_PULLUP,
 121 };
 122
 123 /*
 124  * GPIO setup
 125  */
 126
 127 static unsigned long h5000_pin_config[] __initdata = {
 128         /* Crystal and Clock Signals */
 129         GPIO12_32KHz,
 130
 131         /* SDRAM and Static Memory I/O Signals */
 132         GPIO15_nCS_1,
 133         GPIO78_nCS_2,
 134         GPIO79_nCS_3,
 135         GPIO80_nCS_4,
 136
 137         /* FFUART */
 138         GPIO34_FFUART_RXD,
 139         GPIO35_FFUART_CTS,
 140         GPIO36_FFUART_DCD,
 141         GPIO37_FFUART_DSR,
 142         GPIO38_FFUART_RI,
 143         GPIO39_FFUART_TXD,
 144         GPIO40_FFUART_DTR,
 145         GPIO41_FFUART_RTS,
 146
 147         /* BTUART */
 148         GPIO42_BTUART_RXD,
 149         GPIO43_BTUART_TXD,
 150         GPIO44_BTUART_CTS,
 151         GPIO45_BTUART_RTS,
 152
 153         /* SSP1 */
 154         GPIO23_SSP1_SCLK,
 155         GPIO25_SSP1_TXD,
 156         GPIO26_SSP1_RXD,
 157
 158         /* I2S */
 159         GPIO28_I2S_BITCLK_OUT,
 160         GPIO29_I2S_SDATA_IN,
 161         GPIO30_I2S_SDATA_OUT,
 162         GPIO31_I2S_SYNC,
 163         GPIO32_I2S_SYSCLK,
 164 };
 165
 166 /*
 167  * Localbus setup:
 168  * CS0: Flash;
 169  * CS1: MediaQ chip, select 16-bit bus and vlio;
 170  * CS5: SAMCOP.
 171  */
 172
 173 static void fix_msc(void)
 174 {
 175         MSC0 = 0x129c24f2;
 176         MSC1 = 0x7ff424fa;
 177         MSC2 = 0x7ff47ff4;
 178
 179         MDREFR |= 0x02080000;
 180 }
 181
 182 /*
 183  * Platform devices
 184  */
 185
 186 static struct platform_device *devices[] __initdata = {
 187         &h5000_flash[0],
 188         &h5000_flash[1],
 189 };
 190
 191 static void __init h5000_init(void)
 192 {
 193         fix_msc();
 194
 195         pxa2xx_mfp_config(ARRAY_AND_SIZE(h5000_pin_config));
 196         pxa_set_ffuart_info(NULL);
 197         pxa_set_btuart_info(NULL);
 198         pxa_set_stuart_info(NULL);
 199         pxa_set_udc_info(&h5000_udc_mach_info);
 200         platform_add_devices(ARRAY_AND_SIZE(devices));
 201 }
 202
 203 MACHINE_START(H5400, "HP iPAQ H5000")
 204         .phys_io = 0x40000000,
 205         .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
 206         .boot_params = 0xa0000100,
 207         .map_io = pxa_map_io,
 208         .init_irq = pxa25x_init_irq,
 209         .timer = &pxa_timer,
 210         .init_machine = h5000_init,
 211 MACHINE_END