kernel/linux/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
  33 #include "common.h"
  34
  35 #ifdef CONFIG_ARCH_OMAP1510
  36
  37 extern int omap_gpio_init(void);
  38
  39 /* Only FPGA needs to be mapped here. All others are done with ioremap */
  40 static struct map_desc innovator1510_io_desc[] __initdata = {
  41 { OMAP1510_FPGA_BASE, OMAP1510_FPGA_START, OMAP1510_FPGA_SIZE,
  42         MT_DEVICE },
  43 };
  44
  45 static struct resource innovator1510_smc91x_resources[] = {
  46         [0] = {
  47                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
  48                 .end    = OMAP1510_FPGA_ETHR_START + 16,
  49                 .flags  = IORESOURCE_MEM,
  50         },
  51         [1] = {
  52                 .start  = INT_ETHER,
  53                 .end    = INT_ETHER,
  54                 .flags  = IORESOURCE_IRQ,
  55         },
  56 };
  57
  58 static struct platform_device innovator1510_smc91x_device = {
  59         .name           = "smc91x",
  60         .id             = 0,
  61         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
  62         .resource       = innovator1510_smc91x_resources,
  63 };
  64
  65 static struct platform_device *innovator1510_devices[] __initdata = {
  66         &innovator1510_smc91x_device,
  67 };
  68
  69 #endif /* CONFIG_ARCH_OMAP1510 */
  70
  71 #ifdef CONFIG_ARCH_OMAP1610
  72
  73 static struct map_desc innovator1610_io_desc[] __initdata = {
  74 { OMAP1610_ETHR_BASE, OMAP1610_ETHR_START, OMAP1610_ETHR_SIZE,MT_DEVICE },
  75 { OMAP1610_NOR_FLASH_BASE, OMAP1610_NOR_FLASH_START, OMAP1610_NOR_FLASH_SIZE,
  76         MT_DEVICE },
  77 };
  78
  79 static struct resource innovator1610_smc91x_resources[] = {
  80         [0] = {
  81                 .start  = OMAP1610_ETHR_START,          /* Physical */
  82                 .end    = OMAP1610_ETHR_START + SZ_4K,
  83                 .flags  = IORESOURCE_MEM,
  84         },
  85         [1] = {
  86                 .start  = 0,                            /* Really GPIO 0 */
  87                 .end    = 0,
  88                 .flags  = IORESOURCE_IRQ,
  89         },
  90 };
  91
  92 static struct platform_device innovator1610_smc91x_device = {
  93         .name           = "smc91x",
  94         .id             = 0,
  95         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
  96         .resource       = innovator1610_smc91x_resources,
  97 };
  98
  99 static struct platform_device *innovator1610_devices[] __initdata = {
 100         &innovator1610_smc91x_device,
 101 };
 102
 103 #endif /* CONFIG_ARCH_OMAP1610 */
 104
 105 void innovator_init_irq(void)
 106 {
 107         omap_init_irq();
 108 #ifdef CONFIG_ARCH_OMAP1510
 109         if (cpu_is_omap1510()) {
 110                 omap_gpio_init();
 111                 fpga_init_irq();
 112         }
 113 #endif
 114 }
 115
 116 static void __init innovator_init(void)
 117 {
 118 #ifdef CONFIG_ARCH_OMAP1510
 119         if (cpu_is_omap1510()) {
 120                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 121         }
 122 #endif
 123 #ifdef CONFIG_ARCH_OMAP1610
 124         if (cpu_is_omap1610()) {
 125                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 126         }
 127 #endif
 128 }
 129
 130 static void __init innovator_map_io(void)
 131 {
 132         omap_map_io();
 133
 134 #ifdef CONFIG_ARCH_OMAP1510
 135         if (cpu_is_omap1510()) {
 136                 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 137                 udelay(10);     /* Delay needed for FPGA */
 138
 139                 /* Dump the Innovator FPGA rev early - useful info for support. */
 140                 printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
 141                        fpga_read(OMAP1510_FPGA_REV_HIGH),
 142                        fpga_read(OMAP1510_FPGA_REV_LOW),
 143                        fpga_read(OMAP1510_FPGA_BOARD_REV));
 144         }
 145 #endif
 146 #ifdef CONFIG_ARCH_OMAP1610
 147         if (cpu_is_omap1610()) {
 148                 iotable_init(innovator1610_io_desc, ARRAY_SIZE(innovator1610_io_desc));
 149         }
 150 #endif
 151 }
 152
 153 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 154         MAINTAINER("MontaVista Software, Inc.")
 155         BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
 156         BOOT_PARAMS(0x10000100)
 157         MAPIO(innovator_map_io)
 158         INITIRQ(innovator_init_irq)
 159         INITTIME(omap_init_time)
 160         INIT_MACHINE(innovator_init)
 161 MACHINE_END