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 static int __initdata innovator_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
  37
  38 #ifdef CONFIG_ARCH_OMAP1510
  39
  40 /* Only FPGA needs to be mapped here. All others are done with ioremap */
  41 static struct map_desc innovator1510_io_desc[] __initdata = {
  42 { OMAP1510_FPGA_BASE, OMAP1510_FPGA_START, OMAP1510_FPGA_SIZE,
  43         MT_DEVICE },
  44 };
  45
  46 static struct resource innovator1510_smc91x_resources[] = {
  47         [0] = {
  48                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
  49                 .end    = OMAP1510_FPGA_ETHR_START + 16,
  50                 .flags  = IORESOURCE_MEM,
  51         },
  52         [1] = {
  53                 .start  = OMAP1510_INT_ETHER,
  54                 .end    = OMAP1510_INT_ETHER,
  55                 .flags  = IORESOURCE_IRQ,
  56         },
  57 };
  58
  59 static struct platform_device innovator1510_smc91x_device = {
  60         .name           = "smc91x",
  61         .id             = 0,
  62         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
  63         .resource       = innovator1510_smc91x_resources,
  64 };
  65
  66 static struct platform_device *innovator1510_devices[] __initdata = {
  67         &innovator1510_smc91x_device,
  68 };
  69
  70 #endif /* CONFIG_ARCH_OMAP1510 */
  71
  72 #ifdef CONFIG_ARCH_OMAP16XX
  73
  74 static struct resource innovator1610_smc91x_resources[] = {
  75         [0] = {
  76                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
  77                 .end    = INNOVATOR1610_ETHR_START + SZ_4K,
  78                 .flags  = IORESOURCE_MEM,
  79         },
  80         [1] = {
  81                 .start  = OMAP_GPIO_IRQ(0),
  82                 .end    = OMAP_GPIO_IRQ(0),
  83                 .flags  = IORESOURCE_IRQ,
  84         },
  85 };
  86
  87 static struct platform_device innovator1610_smc91x_device = {
  88         .name           = "smc91x",
  89         .id             = 0,
  90         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
  91         .resource       = innovator1610_smc91x_resources,
  92 };
  93
  94 static struct platform_device *innovator1610_devices[] __initdata = {
  95         &innovator1610_smc91x_device,
  96 };
  97
  98 #endif /* CONFIG_ARCH_OMAP16XX */
  99
 100 static void __init innovator_init_smc91x(void)
 101 {
 102         if (cpu_is_omap1510()) {
 103                 fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
 104                            OMAP1510_FPGA_RST);
 105                 udelay(750);
 106         } else {
 107                 if ((omap_request_gpio(0)) < 0) {
 108                         printk("Error requesting gpio 0 for smc91x irq\n");
 109                         return;
 110                 }
 111                 omap_set_gpio_edge_ctrl(0, OMAP_GPIO_RISING_EDGE);
 112         }
 113 }
 114
 115 void innovator_init_irq(void)
 116 {
 117         omap_init_irq();
 118         omap_gpio_init();
 119 #ifdef CONFIG_ARCH_OMAP1510
 120         if (cpu_is_omap1510()) {
 121                 omap1510_fpga_init_irq();
 122         }
 123 #endif
 124         innovator_init_smc91x();
 125 }
 126
 127 #ifdef CONFIG_ARCH_OMAP1510
 128 static struct omap_usb_config innovator1510_usb_config __initdata = {
 129         /* for bundled non-standard host and peripheral cables */
 130         .hmc_mode       = 4,
 131
 132         .register_host  = 1,
 133         .pins[1]        = 6,
 134         .pins[2]        = 6,            /* Conflicts with UART2 */
 135
 136         .register_dev   = 1,
 137         .pins[0]        = 2,
 138 };
 139 #endif
 140
 141 #ifdef CONFIG_ARCH_OMAP16XX
 142 static struct omap_usb_config h2_usb_config __initdata = {
 143         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 144         .otg            = 2,
 145
 146 #ifdef  CONFIG_USB_GADGET_OMAP
 147         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
 148         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
 149 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 150         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 151         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
 152 #endif
 153
 154         .pins[1]        = 3,
 155 };
 156 #endif
 157
 158 static struct omap_board_config_kernel innovator_config[] = {
 159         { OMAP_TAG_USB,         NULL },
 160 };
 161
 162 static void __init innovator_init(void)
 163 {
 164 #ifdef CONFIG_ARCH_OMAP1510
 165         if (cpu_is_omap1510()) {
 166                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 167         }
 168 #endif
 169 #ifdef CONFIG_ARCH_OMAP16XX
 170         if (!cpu_is_omap1510()) {
 171                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 172         }
 173 #endif
 174
 175 #ifdef CONFIG_ARCH_OMAP1510
 176         if (cpu_is_omap1510())
 177                 innovator_config[0].data = &innovator1510_usb_config;
 178 #endif
 179 #ifdef CONFIG_ARCH_OMAP16XX
 180         if (cpu_is_omap1610())
 181                 innovator_config[0].data = &h2_usb_config;
 182 #endif
 183         omap_board_config = innovator_config;
 184         omap_board_config_size = ARRAY_SIZE(innovator_config);
 185 }
 186
 187 static void __init innovator_map_io(void)
 188 {
 189         omap_map_io();
 190
 191 #ifdef CONFIG_ARCH_OMAP1510
 192         if (cpu_is_omap1510()) {
 193                 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 194                 udelay(10);     /* Delay needed for FPGA */
 195
 196                 /* Dump the Innovator FPGA rev early - useful info for support. */
 197                 printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
 198                        fpga_read(OMAP1510_FPGA_REV_HIGH),
 199                        fpga_read(OMAP1510_FPGA_REV_LOW),
 200                        fpga_read(OMAP1510_FPGA_BOARD_REV));
 201         }
 202 #endif
 203         omap_serial_init(innovator_serial_ports);
 204 }
 205
 206 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 207         MAINTAINER("MontaVista Software, Inc.")
 208         BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
 209         BOOT_PARAMS(0x10000100)
 210         MAPIO(innovator_map_io)
 211         INITIRQ(innovator_init_irq)
 212         INIT_MACHINE(innovator_init)
 213         .timer          = &omap_timer,
 214 MACHINE_END