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/tc.h>
  37 #include <asm/arch/usb.h>
  38 #include <asm/arch/common.h>
  39
  40 extern int omap_gpio_init(void);
  41
  42 static int __initdata h2_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
  43
  44 static struct mtd_partition h2_partitions[] = {
  45         /* bootloader (U-Boot, etc) in first sector */
  46         {
  47               .name             = "bootloader",
  48               .offset           = 0,
  49               .size             = SZ_128K,
  50               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  51         },
  52         /* bootloader params in the next sector */
  53         {
  54               .name             = "params",
  55               .offset           = MTDPART_OFS_APPEND,
  56               .size             = SZ_128K,
  57               .mask_flags       = 0,
  58         },
  59         /* kernel */
  60         {
  61               .name             = "kernel",
  62               .offset           = MTDPART_OFS_APPEND,
  63               .size             = SZ_2M,
  64               .mask_flags       = 0
  65         },
  66         /* file system */
  67         {
  68               .name             = "filesystem",
  69               .offset           = MTDPART_OFS_APPEND,
  70               .size             = MTDPART_SIZ_FULL,
  71               .mask_flags       = 0
  72         }
  73 };
  74
  75 static struct flash_platform_data h2_flash_data = {
  76         .map_name       = "cfi_probe",
  77         .width          = 2,
  78         .parts          = h2_partitions,
  79         .nr_parts       = ARRAY_SIZE(h2_partitions),
  80 };
  81
  82 static struct resource h2_flash_resource = {
  83         .start          = OMAP_CS2B_PHYS,
  84         .end            = OMAP_CS2B_PHYS + OMAP_CS2B_SIZE - 1,
  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         omap_set_gpio_edge_ctrl(0, OMAP_GPIO_FALLING_EDGE);
 130 }
 131
 132 void h2_init_irq(void)
 133 {
 134         omap_init_irq();
 135         omap_gpio_init();
 136         h2_init_smc91x();
 137 }
 138
 139 static struct omap_usb_config h2_usb_config __initdata = {
 140         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 141         .otg            = 2,
 142
 143 #ifdef  CONFIG_USB_GADGET_OMAP
 144         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
 145         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
 146 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 147         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 148         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
 149 #endif
 150
 151         .pins[1]        = 3,
 152 };
 153
 154 static struct omap_mmc_config h2_mmc_config __initdata = {
 155         .mmc_blocks             = 1,
 156         .mmc1_power_pin         = -1,   /* tps65010 gpio3 */
 157         .mmc1_switch_pin        = OMAP_MPUIO(1),
 158 };
 159
 160 static struct omap_board_config_kernel h2_config[] = {
 161         { OMAP_TAG_USB,           &h2_usb_config },
 162         { OMAP_TAG_MMC,           &h2_mmc_config },
 163 };
 164
 165 static void __init h2_init(void)
 166 {
 167         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 168         omap_board_config = h2_config;
 169         omap_board_config_size = ARRAY_SIZE(h2_config);
 170 }
 171
 172 static void __init h2_map_io(void)
 173 {
 174         omap_map_common_io();
 175         omap_serial_init(h2_serial_ports);
 176 }
 177
 178 MACHINE_START(OMAP_H2, "TI-H2")
 179         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 180         .phys_ram       = 0x10000000,
 181         .phys_io        = 0xfff00000,
 182         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 183         .boot_params    = 0x10000100,
 184         .map_io         = h2_map_io,
 185         .init_irq       = h2_init_irq,
 186         .init_machine   = h2_init,
 187         .timer          = &omap_timer,
 188 MACHINE_END