kernel/linux/arch/arm/mach-omap/board-perseus2.c

   1 /*
   2  * linux/arch/arm/mach-omap/board-perseus2.c
   3  *
   4  * Modified from board-generic.c
   5  *
   6  * Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
   7  * Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/device.h>
  17
  18 #include <asm/hardware.h>
  19 #include <asm/mach-types.h>
  20 #include <asm/mach/arch.h>
  21 #include <asm/mach/map.h>
  22
  23 #include <asm/arch/clocks.h>
  24 #include <asm/arch/gpio.h>
  25 #include <asm/arch/mux.h>
  26
  27 #include "common.h"
  28
  29 void omap_perseus2_init_irq(void)
  30 {
  31         omap_init_irq();
  32 }
  33
  34 static struct resource smc91x_resources[] = {
  35         [0] = {
  36                 .start  = OMAP730_FPGA_ETHR_START,      /* Physical */
  37                 .end    = OMAP730_FPGA_ETHR_START + SZ_4K,
  38                 .flags  = IORESOURCE_MEM,
  39         },
  40         [1] = {
  41                 .start  = 0,
  42                 .end    = 0,
  43                 .flags  = INT_ETHER,
  44         },
  45 };
  46
  47 static struct platform_device smc91x_device = {
  48         .name           = "smc91x",
  49         .id             = 0,
  50         .num_resources  = ARRAY_SIZE(smc91x_resources),
  51         .resource       = smc91x_resources,
  52 };
  53
  54 static struct platform_device *devices[] __initdata = {
  55         &smc91x_device,
  56 };
  57
  58 static void __init omap_perseus2_init(void)
  59 {
  60         (void) platform_add_devices(devices, ARRAY_SIZE(devices));
  61 }
  62
  63 /* Only FPGA needs to be mapped here. All others are done with ioremap */
  64 static struct map_desc omap_perseus2_io_desc[] __initdata = {
  65         {OMAP730_FPGA_BASE, OMAP730_FPGA_START, OMAP730_FPGA_SIZE,
  66          MT_DEVICE},
  67 };
  68
  69 static void __init omap_perseus2_map_io(void)
  70 {
  71         omap_map_io();
  72         iotable_init(omap_perseus2_io_desc,
  73                      ARRAY_SIZE(omap_perseus2_io_desc));
  74
  75         /* Early, board-dependent init */
  76
  77         /*
  78          * Hold GSM Reset until needed
  79          */
  80         omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
  81
  82         /*
  83          * UARTs -> done automagically by 8250 driver
  84          */
  85
  86         /*
  87          * CSx timings, GPIO Mux ... setup
  88          */
  89
  90         /* Flash: CS0 timings setup */
  91         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
  92         omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
  93
  94         /*
  95          * Ethernet support trough the debug board
  96          * CS1 timings setup
  97          */
  98         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
  99         omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
 100
 101         /*
 102          * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
 103          * It is used as the Ethernet controller interrupt
 104          */
 105         omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
 106 }
 107
 108 MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
 109         MAINTAINER("Kevin Hilman <kjh@hilman.org>")
 110         BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
 111         BOOT_PARAMS(0x10000100)
 112         MAPIO(omap_perseus2_map_io)
 113         INITIRQ(omap_perseus2_init_irq)
 114         INITTIME(omap_init_time)
 115         INIT_MACHINE(omap_perseus2_init)
 116 MACHINE_END