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/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 int __initdata h3_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
  45
  46 static struct mtd_partition h3_partitions[] = {
  47         /* bootloader (U-Boot, etc) in first sector */
  48         {
  49               .name             = "bootloader",
  50               .offset           = 0,
  51               .size             = SZ_128K,
  52               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  53         },
  54         /* bootloader params in the next sector */
  55         {
  56               .name             = "params",
  57               .offset           = MTDPART_OFS_APPEND,
  58               .size             = SZ_128K,
  59               .mask_flags       = 0,
  60         },
  61         /* kernel */
  62         {
  63               .name             = "kernel",
  64               .offset           = MTDPART_OFS_APPEND,
  65               .size             = SZ_2M,
  66               .mask_flags       = 0
  67         },
  68         /* file system */
  69         {
  70               .name             = "filesystem",
  71               .offset           = MTDPART_OFS_APPEND,
  72               .size             = MTDPART_SIZ_FULL,
  73               .mask_flags       = 0
  74         }
  75 };
  76
  77 static struct flash_platform_data h3_flash_data = {
  78         .map_name       = "cfi_probe",
  79         .width          = 2,
  80         .parts          = h3_partitions,
  81         .nr_parts       = ARRAY_SIZE(h3_partitions),
  82 };
  83
  84 static struct resource h3_flash_resource = {
  85         .start          = OMAP_CS2B_PHYS,
  86         .end            = OMAP_CS2B_PHYS + OMAP_CS2B_SIZE - 1,
  87         .flags          = IORESOURCE_MEM,
  88 };
  89
  90 static struct platform_device flash_device = {
  91         .name           = "omapflash",
  92         .id             = 0,
  93         .dev            = {
  94                 .platform_data  = &h3_flash_data,
  95         },
  96         .num_resources  = 1,
  97         .resource       = &h3_flash_resource,
  98 };
  99
 100 static struct resource smc91x_resources[] = {
 101         [0] = {
 102                 .start  = OMAP1710_ETHR_START,          /* Physical */
 103                 .end    = OMAP1710_ETHR_START + 0xf,
 104                 .flags  = IORESOURCE_MEM,
 105         },
 106         [1] = {
 107                 .start  = OMAP_GPIO_IRQ(40),
 108                 .end    = OMAP_GPIO_IRQ(40),
 109                 .flags  = IORESOURCE_IRQ,
 110         },
 111 };
 112
 113 static struct platform_device smc91x_device = {
 114         .name           = "smc91x",
 115         .id             = 0,
 116         .num_resources  = ARRAY_SIZE(smc91x_resources),
 117         .resource       = smc91x_resources,
 118 };
 119
 120 #define GPTIMER_BASE            0xFFFB1400
 121 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
 122 #define GPTIMER_REGS_SIZE       0x46
 123
 124 static struct resource intlat_resources[] = {
 125         [0] = {
 126                 .start  = GPTIMER_REGS(0),            /* Physical */
 127                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
 128                 .flags  = IORESOURCE_MEM,
 129         },
 130         [1] = {
 131                 .start  = INT_1610_GPTIMER1,
 132                 .end    = INT_1610_GPTIMER1,
 133                 .flags  = IORESOURCE_IRQ,
 134         },
 135 };
 136
 137 static struct platform_device intlat_device = {
 138         .name      = "omap_intlat",
 139         .id          = 0,
 140         .num_resources  = ARRAY_SIZE(intlat_resources),
 141         .resource       = intlat_resources,
 142 };
 143
 144 static struct platform_device *devices[] __initdata = {
 145         &flash_device,
 146         &smc91x_device,
 147         &intlat_device,
 148 };
 149
 150 static struct omap_usb_config h3_usb_config __initdata = {
 151         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 152         .otg        = 2,
 153
 154 #ifdef CONFIG_USB_GADGET_OMAP
 155         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 156 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 157         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 158         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 159 #endif
 160
 161         .pins[1]        = 3,
 162 };
 163
 164 static struct omap_board_config_kernel h3_config[] = {
 165         { OMAP_TAG_USB,  &h3_usb_config },
 166 };
 167
 168 static void __init h3_init(void)
 169 {
 170         (void) platform_add_devices(devices, ARRAY_SIZE(devices));
 171 }
 172
 173 static void __init h3_init_smc91x(void)
 174 {
 175         omap_cfg_reg(W15_1710_GPIO40);
 176         if (omap_request_gpio(40) < 0) {
 177                 printk("Error requesting gpio 40 for smc91x irq\n");
 178                 return;
 179         }
 180         omap_set_gpio_edge_ctrl(40, OMAP_GPIO_FALLING_EDGE);
 181 }
 182
 183 void h3_init_irq(void)
 184 {
 185         omap_init_irq();
 186         omap_gpio_init();
 187         h3_init_smc91x();
 188 }
 189
 190 static void __init h3_map_io(void)
 191 {
 192         omap_map_common_io();
 193         omap_serial_init(h3_serial_ports);
 194 }
 195
 196 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
 197         /* Maintainer: Texas Instruments, Inc. */
 198         .phys_ram       = 0x10000000,
 199         .phys_io        = 0xfff00000,
 200         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 201         .boot_params    = 0x10000100,
 202         .map_io         = h3_map_io,
 203         .init_irq       = h3_init_irq,
 204         .init_machine   = h3_init,
 205         .timer          = &omap_timer,
 206 MACHINE_END