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

   1 /*
   2  * linux/arch/arm/mach-omap/board-innovator.c
   3  *
   4  * Board specific inits for OMAP-1510 and OMAP-1610 Innovator
   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  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License version 2 as
  16  * published by the Free Software Foundation.
  17  */
  18
  19 #include <linux/kernel.h>
  20 #include <linux/init.h>
  21 #include <linux/device.h>
  22 #include <linux/delay.h>
  23
  24 #include <asm/hardware.h>
  25 #include <asm/mach-types.h>
  26 #include <asm/mach/arch.h>
  27 #include <asm/mach/map.h>
  28
  29 #include <asm/arch/clocks.h>
  30 #include <asm/arch/gpio.h>
  31 #include <asm/arch/fpga.h>
  32 #include <asm/arch/usb.h>
  33
  34 #include "common.h"
  35
  36 extern void __init omap_init_time(void);
  37
  38 #ifdef CONFIG_ARCH_OMAP1510
  39
  40 extern int omap_gpio_init(void);
  41
  42 /* Only FPGA needs to be mapped here. All others are done with ioremap */
  43 static struct map_desc innovator1510_io_desc[] __initdata = {
  44 { OMAP1510_FPGA_BASE, OMAP1510_FPGA_START, OMAP1510_FPGA_SIZE,
  45         MT_DEVICE },
  46 };
  47
  48 static struct resource innovator1510_smc91x_resources[] = {
  49         [0] = {
  50                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
  51                 .end    = OMAP1510_FPGA_ETHR_START + 16,
  52                 .flags  = IORESOURCE_MEM,
  53         },
  54         [1] = {
  55                 .start  = OMAP1510_INT_ETHER,
  56                 .end    = OMAP1510_INT_ETHER,
  57                 .flags  = IORESOURCE_IRQ,
  58         },
  59 };
  60
  61 static struct platform_device innovator1510_smc91x_device = {
  62         .name           = "smc91x",
  63         .id             = 0,
  64         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
  65         .resource       = innovator1510_smc91x_resources,
  66 };
  67
  68 static struct platform_device *innovator1510_devices[] __initdata = {
  69         &innovator1510_smc91x_device,
  70 };
  71
  72 #endif /* CONFIG_ARCH_OMAP1510 */
  73
  74 #ifdef CONFIG_ARCH_OMAP1610
  75
  76 static struct map_desc innovator1610_io_desc[] __initdata = {
  77 { OMAP1610_ETHR_BASE, OMAP1610_ETHR_START, OMAP1610_ETHR_SIZE,MT_DEVICE },
  78 { OMAP1610_NOR_FLASH_BASE, OMAP1610_NOR_FLASH_START, OMAP1610_NOR_FLASH_SIZE,
  79         MT_DEVICE },
  80 };
  81
  82 static struct resource innovator1610_smc91x_resources[] = {
  83         [0] = {
  84                 .start  = OMAP1610_ETHR_START,          /* Physical */
  85                 .end    = OMAP1610_ETHR_START + SZ_4K,
  86                 .flags  = IORESOURCE_MEM,
  87         },
  88         [1] = {
  89                 .start  = 0,                            /* Really GPIO 0 */
  90                 .end    = 0,
  91                 .flags  = IORESOURCE_IRQ,
  92         },
  93 };
  94
  95 static struct platform_device innovator1610_smc91x_device = {
  96         .name           = "smc91x",
  97         .id             = 0,
  98         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
  99         .resource       = innovator1610_smc91x_resources,
 100 };
 101
 102 static struct platform_device *innovator1610_devices[] __initdata = {
 103         &innovator1610_smc91x_device,
 104 };
 105
 106 #endif /* CONFIG_ARCH_OMAP1610 */
 107
 108 void innovator_init_irq(void)
 109 {
 110         omap_init_irq();
 111 #ifdef CONFIG_ARCH_OMAP1510
 112         if (cpu_is_omap1510()) {
 113                 omap_gpio_init();
 114                 omap1510_fpga_init_irq();
 115         }
 116 #endif
 117 }
 118
 119 #ifdef CONFIG_ARCH_OMAP1510
 120 static struct omap_usb_config innovator1510_usb_config __initdata = {
 121         /* has usb host and device, but no Mini-AB port */
 122         .register_host  = 1,
 123         .register_dev   = 1,
 124         /* Assume bad Innovator wiring; Use internal host only with custom cable */
 125         .hmc_mode       = 16,
 126         .pins[0]        = 2,
 127 };
 128 #endif
 129
 130 #ifdef CONFIG_ARCH_OMAP1610
 131 static struct omap_usb_config h2_usb_config __initdata = {
 132         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 133         .otg            = 2,
 134
 135 #ifdef  CONFIG_USB_GADGET_OMAP
 136         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
 137         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
 138 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 139         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 140         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
 141 #endif
 142
 143         .pins[1]        = 3,
 144 };
 145 #endif
 146
 147 static struct omap_board_config_kernel innovator_config[] = {
 148         { OMAP_TAG_USB,         NULL },
 149 };
 150
 151 static void __init innovator_init(void)
 152 {
 153 #ifdef CONFIG_ARCH_OMAP1510
 154         if (cpu_is_omap1510()) {
 155                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 156         }
 157 #endif
 158 #ifdef CONFIG_ARCH_OMAP1610
 159         if (!cpu_is_omap1510()) {
 160                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 161         }
 162 #endif
 163
 164 #ifdef CONFIG_ARCH_OMAP1510
 165         if (cpu_is_omap1510())
 166                 innovator_config[0].data = &innovator1510_usb_config;
 167 #endif
 168 #ifdef CONFIG_ARCH_OMAP1610
 169         if (cpu_is_omap1610())
 170                 innovator_config[0].data = &h2_usb_config;
 171 #endif
 172         omap_board_config = innovator_config;
 173         omap_board_config_size = ARRAY_SIZE(innovator_config);
 174 }
 175
 176 static void __init innovator_map_io(void)
 177 {
 178         omap_map_io();
 179
 180 #ifdef CONFIG_ARCH_OMAP1510
 181         if (cpu_is_omap1510()) {
 182                 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 183                 udelay(10);     /* Delay needed for FPGA */
 184
 185                 /* Dump the Innovator FPGA rev early - useful info for support. */
 186                 printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
 187                        fpga_read(OMAP1510_FPGA_REV_HIGH),
 188                        fpga_read(OMAP1510_FPGA_REV_LOW),
 189                        fpga_read(OMAP1510_FPGA_BOARD_REV));
 190         }
 191 #endif
 192 #ifdef CONFIG_ARCH_OMAP1610
 193         if (!cpu_is_omap1510()) {
 194                 iotable_init(innovator1610_io_desc, ARRAY_SIZE(innovator1610_io_desc));
 195         }
 196 #endif
 197 }
 198
 199 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 200         MAINTAINER("MontaVista Software, Inc.")
 201         BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
 202         BOOT_PARAMS(0x10000100)
 203         MAPIO(innovator_map_io)
 204         INITIRQ(innovator_init_irq)
 205         INIT_MACHINE(innovator_init)
 206         INITTIME(omap_init_time)
 207 MACHINE_END