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/platform_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 struct mtd_partition h2_partitions[] = {
  44         /* bootloader (U-Boot, etc) in first sector */
  45         {
  46               .name             = "bootloader",
  47               .offset           = 0,
  48               .size             = SZ_128K,
  49               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  50         },
  51         /* bootloader params in the next sector */
  52         {
  53               .name             = "params",
  54               .offset           = MTDPART_OFS_APPEND,
  55               .size             = SZ_128K,
  56               .mask_flags       = 0,
  57         },
  58         /* kernel */
  59         {
  60               .name             = "kernel",
  61               .offset           = MTDPART_OFS_APPEND,
  62               .size             = SZ_2M,
  63               .mask_flags       = 0
  64         },
  65         /* file system */
  66         {
  67               .name             = "filesystem",
  68               .offset           = MTDPART_OFS_APPEND,
  69               .size             = MTDPART_SIZ_FULL,
  70               .mask_flags       = 0
  71         }
  72 };
  73
  74 static struct flash_platform_data h2_flash_data = {
  75         .map_name       = "cfi_probe",
  76         .width          = 2,
  77         .parts          = h2_partitions,
  78         .nr_parts       = ARRAY_SIZE(h2_partitions),
  79 };
  80
  81 static struct resource h2_flash_resource = {
  82         /* This is on CS3, wherever it's mapped */
  83         .flags          = IORESOURCE_MEM,
  84 };
  85
  86 static struct platform_device h2_flash_device = {
  87         .name           = "omapflash",
  88         .id             = 0,
  89         .dev            = {
  90                 .platform_data  = &h2_flash_data,
  91         },
  92         .num_resources  = 1,
  93         .resource       = &h2_flash_resource,
  94 };
  95
  96 static struct resource h2_smc91x_resources[] = {
  97         [0] = {
  98                 .start  = OMAP1610_ETHR_START,          /* Physical */
  99                 .end    = OMAP1610_ETHR_START + 0xf,
 100                 .flags  = IORESOURCE_MEM,
 101         },
 102         [1] = {
 103                 .start  = OMAP_GPIO_IRQ(0),
 104                 .end    = OMAP_GPIO_IRQ(0),
 105                 .flags  = IORESOURCE_IRQ,
 106         },
 107 };
 108
 109 static struct platform_device h2_smc91x_device = {
 110         .name           = "smc91x",
 111         .id             = 0,
 112         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 113         .resource       = h2_smc91x_resources,
 114 };
 115
 116 static struct platform_device *h2_devices[] __initdata = {
 117         &h2_flash_device,
 118         &h2_smc91x_device,
 119 };
 120
 121 static void __init h2_init_smc91x(void)
 122 {
 123         if ((omap_request_gpio(0)) < 0) {
 124                 printk("Error requesting gpio 0 for smc91x irq\n");
 125                 return;
 126         }
 127 }
 128
 129 static void __init h2_init_irq(void)
 130 {
 131         omap_init_irq();
 132         omap_gpio_init();
 133         h2_init_smc91x();
 134 }
 135
 136 static struct omap_usb_config h2_usb_config __initdata = {
 137         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 138         .otg            = 2,
 139
 140 #ifdef  CONFIG_USB_GADGET_OMAP
 141         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
 142         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
 143 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 144         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 145         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
 146 #endif
 147
 148         .pins[1]        = 3,
 149 };
 150
 151 static struct omap_mmc_config h2_mmc_config __initdata = {
 152         .mmc [0] = {
 153                 .enabled        = 1,
 154                 .wire4          = 1,
 155                 .wp_pin         = OMAP_MPUIO(3),
 156                 .power_pin      = -1,   /* tps65010 gpio3 */
 157                 .switch_pin     = OMAP_MPUIO(1),
 158         },
 159 };
 160
 161 static struct omap_uart_config h2_uart_config __initdata = {
 162         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 163 };
 164
 165 static struct omap_lcd_config h2_lcd_config __initdata = {
 166         .panel_name     = "h2",
 167         .ctrl_name      = "internal",
 168 };
 169
 170 static struct omap_board_config_kernel h2_config[] = {
 171         { OMAP_TAG_USB,           &h2_usb_config },
 172         { OMAP_TAG_MMC,           &h2_mmc_config },
 173         { OMAP_TAG_UART,        &h2_uart_config },
 174         { OMAP_TAG_LCD,         &h2_lcd_config },
 175 };
 176
 177 static void __init h2_init(void)
 178 {
 179         /* NOTE: revC boards support NAND-boot, which can put NOR on CS2B
 180          * and NAND (either 16bit or 8bit) on CS3.
 181          */
 182         h2_flash_resource.end = h2_flash_resource.start = omap_cs3_phys();
 183         h2_flash_resource.end += SZ_32M - 1;
 184
 185         /* MMC:  card detect and WP */
 186         // omap_cfg_reg(U19_ARMIO1);            /* CD */
 187         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 188
 189         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 190         omap_board_config = h2_config;
 191         omap_board_config_size = ARRAY_SIZE(h2_config);
 192         omap_serial_init();
 193 }
 194
 195 static void __init h2_map_io(void)
 196 {
 197         omap_map_common_io();
 198 }
 199
 200 MACHINE_START(OMAP_H2, "TI-H2")
 201         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 202         .phys_io        = 0xfff00000,
 203         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 204         .boot_params    = 0x10000100,
 205         .map_io         = h2_map_io,
 206         .init_irq       = h2_init_irq,
 207         .init_machine   = h2_init,
 208         .timer          = &omap_timer,
 209 MACHINE_END