arch/arm/mach-omap1/board-h2.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-h2.c
   3  *
   4  * Board specific inits for OMAP-1610 H2
   5  *
   6  * Copyright (C) 2001 RidgeRun, Inc.
   7  * Author: Greg Lonnon <glonnon@ridgerun.com>
   8  *
   9  * Copyright (C) 2002 MontaVista Software, Inc.
  10  *
  11  * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
  12  * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
  13  *
  14  * H2 specific changes and cleanup
  15  * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
  16  *
  17  * This program is free software; you can redistribute it and/or modify
  18  * it under the terms of the GNU General Public License version 2 as
  19  * published by the Free Software Foundation.
  20  */
  21
  22 #include <linux/kernel.h>
  23 #include <linux/init.h>
  24 #include <linux/device.h>
  25 #include <linux/delay.h>
  26 #include <linux/mtd/mtd.h>
  27 #include <linux/mtd/partitions.h>
  28
  29 #include <asm/hardware.h>
  30 #include <asm/mach-types.h>
  31 #include <asm/mach/arch.h>
  32 #include <asm/mach/flash.h>
  33 #include <asm/mach/map.h>
  34
  35 #include <asm/arch/gpio.h>
  36 #include <asm/arch/mux.h>
  37 #include <asm/arch/tc.h>
  38 #include <asm/arch/usb.h>
  39 #include <asm/arch/common.h>
  40
  41 extern int omap_gpio_init(void);
  42
  43 static int __initdata h2_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
  44
  45 static struct mtd_partition h2_partitions[] = {
  46         /* bootloader (U-Boot, etc) in first sector */
  47         {
  48               .name             = "bootloader",
  49               .offset           = 0,
  50               .size             = SZ_128K,
  51               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  52         },
  53         /* bootloader params in the next sector */
  54         {
  55               .name             = "params",
  56               .offset           = MTDPART_OFS_APPEND,
  57               .size             = SZ_128K,
  58               .mask_flags       = 0,
  59         },
  60         /* kernel */
  61         {
  62               .name             = "kernel",
  63               .offset           = MTDPART_OFS_APPEND,
  64               .size             = SZ_2M,
  65               .mask_flags       = 0
  66         },
  67         /* file system */
  68         {
  69               .name             = "filesystem",
  70               .offset           = MTDPART_OFS_APPEND,
  71               .size             = MTDPART_SIZ_FULL,
  72               .mask_flags       = 0
  73         }
  74 };
  75
  76 static struct flash_platform_data h2_flash_data = {
  77         .map_name       = "cfi_probe",
  78         .width          = 2,
  79         .parts          = h2_partitions,
  80         .nr_parts       = ARRAY_SIZE(h2_partitions),
  81 };
  82
  83 static struct resource h2_flash_resource = {
  84         /* This is on CS3, wherever it's mapped */
  85         .flags          = IORESOURCE_MEM,
  86 };
  87
  88 static struct platform_device h2_flash_device = {
  89         .name           = "omapflash",
  90         .id             = 0,
  91         .dev            = {
  92                 .platform_data  = &h2_flash_data,
  93         },
  94         .num_resources  = 1,
  95         .resource       = &h2_flash_resource,
  96 };
  97
  98 static struct resource h2_smc91x_resources[] = {
  99         [0] = {
 100                 .start  = OMAP1610_ETHR_START,          /* Physical */
 101                 .end    = OMAP1610_ETHR_START + 0xf,
 102                 .flags  = IORESOURCE_MEM,
 103         },
 104         [1] = {
 105                 .start  = OMAP_GPIO_IRQ(0),
 106                 .end    = OMAP_GPIO_IRQ(0),
 107                 .flags  = IORESOURCE_IRQ,
 108         },
 109 };
 110
 111 static struct platform_device h2_smc91x_device = {
 112         .name           = "smc91x",
 113         .id             = 0,
 114         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 115         .resource       = h2_smc91x_resources,
 116 };
 117
 118 static struct platform_device *h2_devices[] __initdata = {
 119         &h2_flash_device,
 120         &h2_smc91x_device,
 121 };
 122
 123 static void __init h2_init_smc91x(void)
 124 {
 125         if ((omap_request_gpio(0)) < 0) {
 126                 printk("Error requesting gpio 0 for smc91x irq\n");
 127                 return;
 128         }
 129 }
 130
 131 static void __init h2_init_irq(void)
 132 {
 133         omap_init_irq();
 134         omap_gpio_init();
 135         h2_init_smc91x();
 136 }
 137
 138 static struct omap_usb_config h2_usb_config __initdata = {
 139         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 140         .otg            = 2,
 141
 142 #ifdef  CONFIG_USB_GADGET_OMAP
 143         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
 144         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
 145 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 146         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 147         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
 148 #endif
 149
 150         .pins[1]        = 3,
 151 };
 152
 153 static struct omap_mmc_config h2_mmc_config __initdata = {
 154         .mmc [0] = {
 155                 .enabled        = 1,
 156                 .wire4          = 1,
 157                 .wp_pin         = OMAP_MPUIO(3),
 158                 .power_pin      = -1,   /* tps65010 gpio3 */
 159                 .switch_pin     = OMAP_MPUIO(1),
 160         },
 161 };
 162
 163 static struct omap_board_config_kernel h2_config[] = {
 164         { OMAP_TAG_USB,           &h2_usb_config },
 165         { OMAP_TAG_MMC,           &h2_mmc_config },
 166 };
 167
 168 static void __init h2_init(void)
 169 {
 170         /* NOTE: revC boards support NAND-boot, which can put NOR on CS2B
 171          * and NAND (either 16bit or 8bit) on CS3.
 172          */
 173         h2_flash_resource.end = h2_flash_resource.start = omap_cs3_phys();
 174         h2_flash_resource.end += SZ_32M - 1;
 175
 176         /* MMC:  card detect and WP */
 177         // omap_cfg_reg(U19_ARMIO1);            /* CD */
 178         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 179
 180         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 181         omap_board_config = h2_config;
 182         omap_board_config_size = ARRAY_SIZE(h2_config);
 183 }
 184
 185 static void __init h2_map_io(void)
 186 {
 187         omap_map_common_io();
 188         omap_serial_init(h2_serial_ports);
 189 }
 190
 191 MACHINE_START(OMAP_H2, "TI-H2")
 192         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 193         .phys_ram       = 0x10000000,
 194         .phys_io        = 0xfff00000,
 195         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 196         .boot_params    = 0x10000100,
 197         .map_io         = h2_map_io,
 198         .init_irq       = h2_init_irq,
 199         .init_machine   = h2_init,
 200         .timer          = &omap_timer,
 201 MACHINE_END