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 #include <mach/smemc.h>
  36
  37 #include "generic.h"
  38
  39 /*
  40  * Flash
  41  */
  42
  43 static struct mtd_partition h5000_flash0_partitions[] = {
  44         {
  45                 .name = "bootldr",
  46                 .size = 0x00040000,
  47                 .offset = 0,
  48                 .mask_flags = MTD_WRITEABLE,
  49         },
  50         {
  51                 .name = "root",
  52                 .size = MTDPART_SIZ_FULL,
  53                 .offset = MTDPART_OFS_APPEND,
  54         },
  55 };
  56
  57 static struct mtd_partition h5000_flash1_partitions[] = {
  58         {
  59                 .name = "second root",
  60                 .size = SZ_16M - 0x00040000,
  61                 .offset = 0,
  62         },
  63         {
  64                 .name = "asset",
  65                 .size = MTDPART_SIZ_FULL,
  66                 .offset = MTDPART_OFS_APPEND,
  67                 .mask_flags = MTD_WRITEABLE,
  68         },
  69 };
  70
  71 static struct physmap_flash_data h5000_flash0_data = {
  72         .width = 4,
  73         .parts = h5000_flash0_partitions,
  74         .nr_parts = ARRAY_SIZE(h5000_flash0_partitions),
  75 };
  76
  77 static struct physmap_flash_data h5000_flash1_data = {
  78         .width = 4,
  79         .parts = h5000_flash1_partitions,
  80         .nr_parts = ARRAY_SIZE(h5000_flash1_partitions),
  81 };
  82
  83 static struct resource h5000_flash0_resources = {
  84         .start = PXA_CS0_PHYS,
  85         .end = PXA_CS0_PHYS + SZ_32M - 1,
  86         .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
  87 };
  88
  89 static struct resource h5000_flash1_resources = {
  90         .start = PXA_CS0_PHYS + SZ_32M,
  91         .end = PXA_CS0_PHYS + SZ_32M + SZ_16M - 1,
  92         .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
  93 };
  94
  95 static struct platform_device h5000_flash[] = {
  96         {
  97                 .name = "physmap-flash",
  98                 .id = 0,
  99                 .resource = &h5000_flash0_resources,
 100                 .num_resources = 1,
 101                 .dev = {
 102                         .platform_data = &h5000_flash0_data,
 103                 },
 104         },
 105         {
 106                 .name = "physmap-flash",
 107                 .id = 1,
 108                 .resource = &h5000_flash1_resources,
 109                 .num_resources = 1,
 110                 .dev = {
 111                         .platform_data = &h5000_flash1_data,
 112                 },
 113         },
 114 };
 115
 116 /*
 117  * USB Device Controller
 118  */
 119
 120 static struct pxa2xx_udc_mach_info h5000_udc_mach_info __initdata = {
 121         .gpio_pullup = H5000_GPIO_USB_PULLUP,
 122 };
 123
 124 /*
 125  * GPIO setup
 126  */
 127
 128 static unsigned long h5000_pin_config[] __initdata = {
 129         /* Crystal and Clock Signals */
 130         GPIO12_32KHz,
 131
 132         /* SDRAM and Static Memory I/O Signals */
 133         GPIO15_nCS_1,
 134         GPIO78_nCS_2,
 135         GPIO79_nCS_3,
 136         GPIO80_nCS_4,
 137
 138         /* FFUART */
 139         GPIO34_FFUART_RXD,
 140         GPIO35_FFUART_CTS,
 141         GPIO36_FFUART_DCD,
 142         GPIO37_FFUART_DSR,
 143         GPIO38_FFUART_RI,
 144         GPIO39_FFUART_TXD,
 145         GPIO40_FFUART_DTR,
 146         GPIO41_FFUART_RTS,
 147
 148         /* BTUART */
 149         GPIO42_BTUART_RXD,
 150         GPIO43_BTUART_TXD,
 151         GPIO44_BTUART_CTS,
 152         GPIO45_BTUART_RTS,
 153
 154         /* SSP1 */
 155         GPIO23_SSP1_SCLK,
 156         GPIO25_SSP1_TXD,
 157         GPIO26_SSP1_RXD,
 158
 159         /* I2S */
 160         GPIO28_I2S_BITCLK_OUT,
 161         GPIO29_I2S_SDATA_IN,
 162         GPIO30_I2S_SDATA_OUT,
 163         GPIO31_I2S_SYNC,
 164         GPIO32_I2S_SYSCLK,
 165 };
 166
 167 /*
 168  * Localbus setup:
 169  * CS0: Flash;
 170  * CS1: MediaQ chip, select 16-bit bus and vlio;
 171  * CS5: SAMCOP.
 172  */
 173
 174 static void fix_msc(void)
 175 {
 176         __raw_writel(0x129c24f2, MSC0);
 177         __raw_writel(0x7ff424fa, MSC1);
 178         __raw_writel(0x7ff47ff4, MSC2);
 179
 180         __raw_writel(__raw_readl(MDREFR) | 0x02080000, MDREFR);
 181 }
 182
 183 /*
 184  * Platform devices
 185  */
 186
 187 static struct platform_device *devices[] __initdata = {
 188         &h5000_flash[0],
 189         &h5000_flash[1],
 190 };
 191
 192 static void __init h5000_init(void)
 193 {
 194         fix_msc();
 195
 196         pxa2xx_mfp_config(ARRAY_AND_SIZE(h5000_pin_config));
 197         pxa_set_ffuart_info(NULL);
 198         pxa_set_btuart_info(NULL);
 199         pxa_set_stuart_info(NULL);
 200         pxa_set_udc_info(&h5000_udc_mach_info);
 201         platform_add_devices(ARRAY_AND_SIZE(devices));
 202 }
 203
 204 MACHINE_START(H5400, "HP iPAQ H5000")
 205         .boot_params = 0xa0000100,
 206         .map_io = pxa25x_map_io,
 207         .init_irq = pxa25x_init_irq,
 208         .timer = &pxa_timer,
 209         .init_machine = h5000_init,
 210 MACHINE_END