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 #include <asm/irq.h>
  32
  33 #include <mach/pxa25x.h>
  34 #include <mach/h5000.h>
  35 #include <mach/udc.h>
  36 #include <mach/smemc.h>
  37
  38 #include "generic.h"
  39
  40 /*
  41  * Flash
  42  */
  43
  44 static struct mtd_partition h5000_flash0_partitions[] = {
  45         {
  46                 .name = "bootldr",
  47                 .size = 0x00040000,
  48                 .offset = 0,
  49                 .mask_flags = MTD_WRITEABLE,
  50         },
  51         {
  52                 .name = "root",
  53                 .size = MTDPART_SIZ_FULL,
  54                 .offset = MTDPART_OFS_APPEND,
  55         },
  56 };
  57
  58 static struct mtd_partition h5000_flash1_partitions[] = {
  59         {
  60                 .name = "second root",
  61                 .size = SZ_16M - 0x00040000,
  62                 .offset = 0,
  63         },
  64         {
  65                 .name = "asset",
  66                 .size = MTDPART_SIZ_FULL,
  67                 .offset = MTDPART_OFS_APPEND,
  68                 .mask_flags = MTD_WRITEABLE,
  69         },
  70 };
  71
  72 static struct physmap_flash_data h5000_flash0_data = {
  73         .width = 4,
  74         .parts = h5000_flash0_partitions,
  75         .nr_parts = ARRAY_SIZE(h5000_flash0_partitions),
  76 };
  77
  78 static struct physmap_flash_data h5000_flash1_data = {
  79         .width = 4,
  80         .parts = h5000_flash1_partitions,
  81         .nr_parts = ARRAY_SIZE(h5000_flash1_partitions),
  82 };
  83
  84 static struct resource h5000_flash0_resources = {
  85         .start = PXA_CS0_PHYS,
  86         .end = PXA_CS0_PHYS + SZ_32M - 1,
  87         .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
  88 };
  89
  90 static struct resource h5000_flash1_resources = {
  91         .start = PXA_CS0_PHYS + SZ_32M,
  92         .end = PXA_CS0_PHYS + SZ_32M + SZ_16M - 1,
  93         .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
  94 };
  95
  96 static struct platform_device h5000_flash[] = {
  97         {
  98                 .name = "physmap-flash",
  99                 .id = 0,
 100                 .resource = &h5000_flash0_resources,
 101                 .num_resources = 1,
 102                 .dev = {
 103                         .platform_data = &h5000_flash0_data,
 104                 },
 105         },
 106         {
 107                 .name = "physmap-flash",
 108                 .id = 1,
 109                 .resource = &h5000_flash1_resources,
 110                 .num_resources = 1,
 111                 .dev = {
 112                         .platform_data = &h5000_flash1_data,
 113                 },
 114         },
 115 };
 116
 117 /*
 118  * USB Device Controller
 119  */
 120
 121 static struct pxa2xx_udc_mach_info h5000_udc_mach_info __initdata = {
 122         .gpio_pullup = H5000_GPIO_USB_PULLUP,
 123 };
 124
 125 /*
 126  * GPIO setup
 127  */
 128
 129 static unsigned long h5000_pin_config[] __initdata = {
 130         /* Crystal and Clock Signals */
 131         GPIO12_32KHz,
 132
 133         /* SDRAM and Static Memory I/O Signals */
 134         GPIO15_nCS_1,
 135         GPIO78_nCS_2,
 136         GPIO79_nCS_3,
 137         GPIO80_nCS_4,
 138
 139         /* FFUART */
 140         GPIO34_FFUART_RXD,
 141         GPIO35_FFUART_CTS,
 142         GPIO36_FFUART_DCD,
 143         GPIO37_FFUART_DSR,
 144         GPIO38_FFUART_RI,
 145         GPIO39_FFUART_TXD,
 146         GPIO40_FFUART_DTR,
 147         GPIO41_FFUART_RTS,
 148
 149         /* BTUART */
 150         GPIO42_BTUART_RXD,
 151         GPIO43_BTUART_TXD,
 152         GPIO44_BTUART_CTS,
 153         GPIO45_BTUART_RTS,
 154
 155         /* SSP1 */
 156         GPIO23_SSP1_SCLK,
 157         GPIO25_SSP1_TXD,
 158         GPIO26_SSP1_RXD,
 159
 160         /* I2S */
 161         GPIO28_I2S_BITCLK_OUT,
 162         GPIO29_I2S_SDATA_IN,
 163         GPIO30_I2S_SDATA_OUT,
 164         GPIO31_I2S_SYNC,
 165         GPIO32_I2S_SYSCLK,
 166 };
 167
 168 /*
 169  * Localbus setup:
 170  * CS0: Flash;
 171  * CS1: MediaQ chip, select 16-bit bus and vlio;
 172  * CS5: SAMCOP.
 173  */
 174
 175 static void fix_msc(void)
 176 {
 177         __raw_writel(0x129c24f2, MSC0);
 178         __raw_writel(0x7ff424fa, MSC1);
 179         __raw_writel(0x7ff47ff4, MSC2);
 180
 181         __raw_writel(__raw_readl(MDREFR) | 0x02080000, MDREFR);
 182 }
 183
 184 /*
 185  * Platform devices
 186  */
 187
 188 static struct platform_device *devices[] __initdata = {
 189         &h5000_flash[0],
 190         &h5000_flash[1],
 191 };
 192
 193 static void __init h5000_init(void)
 194 {
 195         fix_msc();
 196
 197         pxa2xx_mfp_config(ARRAY_AND_SIZE(h5000_pin_config));
 198         pxa_set_ffuart_info(NULL);
 199         pxa_set_btuart_info(NULL);
 200         pxa_set_stuart_info(NULL);
 201         pxa_set_udc_info(&h5000_udc_mach_info);
 202         platform_add_devices(ARRAY_AND_SIZE(devices));
 203 }
 204
 205 MACHINE_START(H5400, "HP iPAQ H5000")
 206         .atag_offset = 0x100,
 207         .map_io = pxa25x_map_io,
 208         .nr_irqs = PXA_NR_IRQS,
 209         .init_irq = pxa25x_init_irq,
 210         .handle_irq = pxa25x_handle_irq,
 211         .init_time      = pxa_timer_init,
 212         .init_machine = h5000_init,
 213         .restart        = pxa_restart,
 214 MACHINE_END