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
  23 #include <asm/hardware.h>
  24 #include <asm/mach/arch.h>
  25 #include <asm/mach/map.h>
  26
  27 #include <asm/arch/clocks.h>
  28 #include <asm/arch/gpio.h>
  29 #include <asm/arch/fpga.h>
  30
  31 #include "common.h"
  32
  33 #ifdef CONFIG_ARCH_OMAP1510
  34
  35 extern int omap_gpio_init(void);
  36
  37 /* Only FPGA needs to be mapped here. All others are done with ioremap */
  38 static struct map_desc innovator1510_io_desc[] __initdata = {
  39 { OMAP1510P1_FPGA_BASE, OMAP1510P1_FPGA_START, OMAP1510P1_FPGA_SIZE,
  40         MT_DEVICE },
  41 };
  42
  43 static struct resource innovator1510_smc91x_resources[] = {
  44         [0] = {
  45                 .start  = OMAP1510P1_FPGA_ETHR_START,   /* Physical */
  46                 .end    = OMAP1510P1_FPGA_ETHR_START + 16,
  47                 .flags  = IORESOURCE_MEM,
  48         },
  49         [1] = {
  50                 .start  = INT_ETHER,
  51                 .end    = INT_ETHER,
  52                 .flags  = IORESOURCE_IRQ,
  53         },
  54 };
  55
  56 static struct platform_device innovator1510_smc91x_device = {
  57         .name           = "smc91x",
  58         .id             = 0,
  59         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
  60         .resource       = innovator1510_smc91x_resources,
  61 };
  62
  63 static struct platform_device *innovator1510_devices[] __initdata = {
  64         &innovator1510_smc91x_device,
  65 };
  66
  67 #endif /* CONFIG_ARCH_OMAP1510 */
  68
  69 #ifdef CONFIG_ARCH_OMAP1610
  70
  71 static struct map_desc innovator1610_io_desc[] __initdata = {
  72 { OMAP1610_ETHR_BASE, OMAP1610_ETHR_START, OMAP1610_ETHR_SIZE,MT_DEVICE },
  73 { OMAP1610_NOR_FLASH_BASE, OMAP1610_NOR_FLASH_START, OMAP1610_NOR_FLASH_SIZE,
  74         MT_DEVICE },
  75 };
  76
  77 static struct resource innovator1610_smc91x_resources[] = {
  78         [0] = {
  79                 .start  = OMAP1610_ETHR_START,          /* Physical */
  80                 .end    = OMAP1610_ETHR_START + SZ_4K,
  81                 .flags  = IORESOURCE_MEM,
  82         },
  83         [1] = {
  84                 .start  = 0,                            /* Really GPIO 0 */
  85                 .end    = 0,
  86                 .flags  = IORESOURCE_IRQ,
  87         },
  88 };
  89
  90 static struct platform_device innovator1610_smc91x_device = {
  91         .name           = "smc91x",
  92         .id             = 0,
  93         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
  94         .resource       = innovator1610_smc91x_resources,
  95 };
  96
  97 static struct platform_device *innovator1610_devices[] __initdata = {
  98         &innovator1610_smc91x_device,
  99 };
 100
 101 #endif /* CONFIG_ARCH_OMAP1610 */
 102
 103 void innovator_init_irq(void)
 104 {
 105         omap_init_irq();
 106 #ifdef CONFIG_ARCH_OMAP1510
 107         if (cpu_is_omap1510()) {
 108                 omap_gpio_init();
 109                 fpga_init_irq();
 110         }
 111 #endif
 112 }
 113
 114 static void __init innovator_init(void)
 115 {
 116 #ifdef CONFIG_ARCH_OMAP1510
 117         if (cpu_is_omap1510()) {
 118                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 119         }
 120 #endif
 121 #ifdef CONFIG_ARCH_OMAP1610
 122         if (cpu_is_omap1610()) {
 123                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 124         }
 125 #endif
 126 }
 127
 128 static void __init innovator_map_io(void)
 129 {
 130         omap_map_io();
 131
 132 #ifdef CONFIG_ARCH_OMAP1510
 133         if (cpu_is_omap1510()) {
 134                 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 135
 136                 /* Dump the Innovator FPGA rev early - useful info for support. */
 137                 printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
 138                        fpga_read(OMAP1510P1_FPGA_REV_HIGH),
 139                        fpga_read(OMAP1510P1_FPGA_REV_LOW),
 140                        fpga_read(OMAP1510P1_FPGA_BOARD_REV));
 141         }
 142 #endif
 143 #ifdef CONFIG_ARCH_OMAP1610
 144         if (cpu_is_omap1610()) {
 145                 iotable_init(innovator1610_io_desc, ARRAY_SIZE(innovator1610_io_desc));
 146         }
 147 #endif
 148 }
 149
 150 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 151         MAINTAINER("MontaVista Software, Inc.")
 152         BOOT_MEM(0x10000000, 0xe0000000, 0xe0000000)
 153         BOOT_PARAMS(0x10000100)
 154         MAPIO(innovator_map_io)
 155         INITIRQ(innovator_init_irq)
 156         INIT_MACHINE(innovator_init)
 157 MACHINE_END