arch/arm/mach-omap1/board-h3.c

   1 /*
   2  * linux/arch/arm/mach-omap1/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/platform_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 #include <asm/arch/common.h>
  41
  42 extern int omap_gpio_init(void);
  43
  44 static struct mtd_partition h3_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 h3_flash_data = {
  76         .map_name       = "cfi_probe",
  77         .width          = 2,
  78         .parts          = h3_partitions,
  79         .nr_parts       = ARRAY_SIZE(h3_partitions),
  80 };
  81
  82 static struct resource h3_flash_resource = {
  83         /* This is on CS3, wherever it's mapped */
  84         .flags          = IORESOURCE_MEM,
  85 };
  86
  87 static struct platform_device flash_device = {
  88         .name           = "omapflash",
  89         .id             = 0,
  90         .dev            = {
  91                 .platform_data  = &h3_flash_data,
  92         },
  93         .num_resources  = 1,
  94         .resource       = &h3_flash_resource,
  95 };
  96
  97 static struct resource smc91x_resources[] = {
  98         [0] = {
  99                 .start  = OMAP1710_ETHR_START,          /* Physical */
 100                 .end    = OMAP1710_ETHR_START + 0xf,
 101                 .flags  = IORESOURCE_MEM,
 102         },
 103         [1] = {
 104                 .start  = OMAP_GPIO_IRQ(40),
 105                 .end    = OMAP_GPIO_IRQ(40),
 106                 .flags  = IORESOURCE_IRQ,
 107         },
 108 };
 109
 110 static struct platform_device smc91x_device = {
 111         .name           = "smc91x",
 112         .id             = 0,
 113         .num_resources  = ARRAY_SIZE(smc91x_resources),
 114         .resource       = smc91x_resources,
 115 };
 116
 117 #define GPTIMER_BASE            0xFFFB1400
 118 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
 119 #define GPTIMER_REGS_SIZE       0x46
 120
 121 static struct resource intlat_resources[] = {
 122         [0] = {
 123                 .start  = GPTIMER_REGS(0),            /* Physical */
 124                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
 125                 .flags  = IORESOURCE_MEM,
 126         },
 127         [1] = {
 128                 .start  = INT_1610_GPTIMER1,
 129                 .end    = INT_1610_GPTIMER1,
 130                 .flags  = IORESOURCE_IRQ,
 131         },
 132 };
 133
 134 static struct platform_device intlat_device = {
 135         .name      = "omap_intlat",
 136         .id          = 0,
 137         .num_resources  = ARRAY_SIZE(intlat_resources),
 138         .resource       = intlat_resources,
 139 };
 140
 141 static struct platform_device *devices[] __initdata = {
 142         &flash_device,
 143         &smc91x_device,
 144         &intlat_device,
 145 };
 146
 147 static struct omap_usb_config h3_usb_config __initdata = {
 148         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 149         .otg        = 2,
 150
 151 #ifdef CONFIG_USB_GADGET_OMAP
 152         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 153 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 154         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 155         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 156 #endif
 157
 158         .pins[1]        = 3,
 159 };
 160
 161 static struct omap_mmc_config h3_mmc_config __initdata = {
 162         .mmc[0] = {
 163                 .enabled        = 1,
 164                 .power_pin      = -1,   /* tps65010 GPIO4 */
 165                 .switch_pin     = OMAP_MPUIO(1),
 166         },
 167 };
 168
 169 static struct omap_uart_config h3_uart_config __initdata = {
 170         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 171 };
 172
 173 static struct omap_lcd_config h3_lcd_config __initdata = {
 174         .panel_name     = "h3",
 175         .ctrl_name      = "internal",
 176 };
 177
 178 static struct omap_board_config_kernel h3_config[] = {
 179         { OMAP_TAG_USB,         &h3_usb_config },
 180         { OMAP_TAG_MMC,         &h3_mmc_config },
 181         { OMAP_TAG_UART,        &h3_uart_config },
 182         { OMAP_TAG_LCD,         &h3_lcd_config },
 183 };
 184
 185 static void __init h3_init(void)
 186 {
 187         h3_flash_resource.end = h3_flash_resource.start = omap_cs3_phys();
 188         h3_flash_resource.end += OMAP_CS3_SIZE - 1;
 189         (void) platform_add_devices(devices, ARRAY_SIZE(devices));
 190         omap_board_config = h3_config;
 191         omap_board_config_size = ARRAY_SIZE(h3_config);
 192         omap_serial_init();
 193 }
 194
 195 static void __init h3_init_smc91x(void)
 196 {
 197         omap_cfg_reg(W15_1710_GPIO40);
 198         if (omap_request_gpio(40) < 0) {
 199                 printk("Error requesting gpio 40 for smc91x irq\n");
 200                 return;
 201         }
 202 }
 203
 204 void h3_init_irq(void)
 205 {
 206         omap_init_irq();
 207         omap_gpio_init();
 208         h3_init_smc91x();
 209 }
 210
 211 static void __init h3_map_io(void)
 212 {
 213         omap_map_common_io();
 214 }
 215
 216 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
 217         /* Maintainer: Texas Instruments, Inc. */
 218         .phys_ram       = 0x10000000,
 219         .phys_io        = 0xfff00000,
 220         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 221         .boot_params    = 0x10000100,
 222         .map_io         = h3_map_io,
 223         .init_irq       = h3_init_irq,
 224         .init_machine   = h3_init,
 225         .timer          = &omap_timer,
 226 MACHINE_END