arch/arm/mach-omap/board-h3.c

   1 /*
   2  * linux/arch/arm/mach-omap/board-h3.c
   3  *
   4  * This file contains OMAP1710 H3 specific code.
   5  *
   6  * Copyright (C) 2004 Texas Instruments, Inc.
   7  * Copyright (C) 2002 MontaVista Software, Inc.
   8  * Copyright (C) 2001 RidgeRun, Inc.
   9  * Author: RidgeRun, Inc.
  10  *         Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License version 2 as
  14  * published by the Free Software Foundation.
  15  */
  16
  17 #include <linux/config.h>
  18 #include <linux/types.h>
  19 #include <linux/init.h>
  20 #include <linux/major.h>
  21 #include <linux/kernel.h>
  22 #include <linux/device.h>
  23 #include <linux/errno.h>
  24 #include <linux/mtd/mtd.h>
  25 #include <linux/mtd/partitions.h>
  26
  27 #include <asm/setup.h>
  28 #include <asm/page.h>
  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/irqs.h>
  37 #include <asm/arch/mux.h>
  38 #include <asm/arch/tc.h>
  39 #include <asm/arch/usb.h>
  40
  41 #include "common.h"
  42
  43 extern int omap_gpio_init(void);
  44
  45 static int __initdata h3_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
  46
  47 static struct mtd_partition h3_partitions[] = {
  48         /* bootloader (U-Boot, etc) in first sector */
  49         {
  50               .name             = "bootloader",
  51               .offset           = 0,
  52               .size             = SZ_128K,
  53               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  54         },
  55         /* bootloader params in the next sector */
  56         {
  57               .name             = "params",
  58               .offset           = MTDPART_OFS_APPEND,
  59               .size             = SZ_128K,
  60               .mask_flags       = 0,
  61         },
  62         /* kernel */
  63         {
  64               .name             = "kernel",
  65               .offset           = MTDPART_OFS_APPEND,
  66               .size             = SZ_2M,
  67               .mask_flags       = 0
  68         },
  69         /* file system */
  70         {
  71               .name             = "filesystem",
  72               .offset           = MTDPART_OFS_APPEND,
  73               .size             = MTDPART_SIZ_FULL,
  74               .mask_flags       = 0
  75         }
  76 };
  77
  78 static struct flash_platform_data h3_flash_data = {
  79         .map_name       = "cfi_probe",
  80         .width          = 2,
  81         .parts          = h3_partitions,
  82         .nr_parts       = ARRAY_SIZE(h3_partitions),
  83 };
  84
  85 static struct resource h3_flash_resource = {
  86         .start          = OMAP_CS2B_PHYS,
  87         .end            = OMAP_CS2B_PHYS + OMAP_CS2B_SIZE - 1,
  88         .flags          = IORESOURCE_MEM,
  89 };
  90
  91 static struct platform_device flash_device = {
  92         .name           = "omapflash",
  93         .id             = 0,
  94         .dev            = {
  95                 .platform_data  = &h3_flash_data,
  96         },
  97         .num_resources  = 1,
  98         .resource       = &h3_flash_resource,
  99 };
 100
 101 static struct resource smc91x_resources[] = {
 102         [0] = {
 103                 .start  = OMAP1710_ETHR_START,          /* Physical */
 104                 .end    = OMAP1710_ETHR_START + 0xf,
 105                 .flags  = IORESOURCE_MEM,
 106         },
 107         [1] = {
 108                 .start  = OMAP_GPIO_IRQ(40),
 109                 .end    = OMAP_GPIO_IRQ(40),
 110                 .flags  = IORESOURCE_IRQ,
 111         },
 112 };
 113
 114 static struct platform_device smc91x_device = {
 115         .name           = "smc91x",
 116         .id             = 0,
 117         .num_resources  = ARRAY_SIZE(smc91x_resources),
 118         .resource       = smc91x_resources,
 119 };
 120
 121 #define GPTIMER_BASE            0xFFFB1400
 122 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
 123 #define GPTIMER_REGS_SIZE       0x46
 124
 125 static struct resource intlat_resources[] = {
 126         [0] = {
 127                 .start  = GPTIMER_REGS(0),            /* Physical */
 128                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
 129                 .flags  = IORESOURCE_MEM,
 130         },
 131         [1] = {
 132                 .start  = INT_1610_GPTIMER1,
 133                 .end    = INT_1610_GPTIMER1,
 134                 .flags  = IORESOURCE_IRQ,
 135         },
 136 };
 137
 138 static struct platform_device intlat_device = {
 139         .name      = "omap_intlat",
 140         .id          = 0,
 141         .num_resources  = ARRAY_SIZE(intlat_resources),
 142         .resource       = intlat_resources,
 143 };
 144
 145 static struct platform_device *devices[] __initdata = {
 146         &flash_device,
 147         &smc91x_device,
 148         &intlat_device,
 149 };
 150
 151 static struct omap_usb_config h3_usb_config __initdata = {
 152         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 153         .otg        = 2,
 154
 155 #ifdef CONFIG_USB_GADGET_OMAP
 156         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 157 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 158         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 159         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 160 #endif
 161
 162         .pins[1]        = 3,
 163 };
 164
 165 static struct omap_board_config_kernel h3_config[] = {
 166         { OMAP_TAG_USB,  &h3_usb_config },
 167 };
 168
 169 static void __init h3_init(void)
 170 {
 171         (void) platform_add_devices(devices, ARRAY_SIZE(devices));
 172 }
 173
 174 static void __init h3_init_smc91x(void)
 175 {
 176         omap_cfg_reg(W15_1710_GPIO40);
 177         if (omap_request_gpio(40) < 0) {
 178                 printk("Error requesting gpio 40 for smc91x irq\n");
 179                 return;
 180         }
 181         omap_set_gpio_edge_ctrl(40, OMAP_GPIO_FALLING_EDGE);
 182 }
 183
 184 void h3_init_irq(void)
 185 {
 186         omap_init_irq();
 187         omap_gpio_init();
 188         h3_init_smc91x();
 189 }
 190
 191 static void __init h3_map_io(void)
 192 {
 193         omap_map_io();
 194         omap_serial_init(h3_serial_ports);
 195 }
 196
 197 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
 198         MAINTAINER("Texas Instruments, Inc.")
 199         BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
 200         BOOT_PARAMS(0x10000100)
 201         MAPIO(h3_map_io)
 202         INITIRQ(h3_init_irq)
 203         INIT_MACHINE(h3_init)
 204         .timer          = &omap_timer,
 205 MACHINE_END