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 #include <asm/arch/fpga.h>
  27
  28 #include "common.h"
  29
  30 extern void __init omap_init_time(void);
  31
  32 void omap_perseus2_init_irq(void)
  33 {
  34         omap_init_irq();
  35 }
  36
  37 static struct resource smc91x_resources[] = {
  38         [0] = {
  39                 .start  = H2P2_DBG_FPGA_ETHR_START,     /* Physical */
  40                 .end    = H2P2_DBG_FPGA_ETHR_START + SZ_4K,
  41                 .flags  = IORESOURCE_MEM,
  42         },
  43         [1] = {
  44                 .start  = INT_730_MPU_EXT_NIRQ,
  45                 .end    = 0,
  46                 .flags  = IORESOURCE_IRQ,
  47         },
  48 };
  49
  50 static struct platform_device smc91x_device = {
  51         .name           = "smc91x",
  52         .id             = 0,
  53         .num_resources  = ARRAY_SIZE(smc91x_resources),
  54         .resource       = smc91x_resources,
  55 };
  56
  57 static struct platform_device *devices[] __initdata = {
  58         &smc91x_device,
  59 };
  60
  61 static void __init omap_perseus2_init(void)
  62 {
  63         (void) platform_add_devices(devices, ARRAY_SIZE(devices));
  64 }
  65
  66 /* Only FPGA needs to be mapped here. All others are done with ioremap */
  67 static struct map_desc omap_perseus2_io_desc[] __initdata = {
  68         {H2P2_DBG_FPGA_BASE, H2P2_DBG_FPGA_START, H2P2_DBG_FPGA_SIZE,
  69          MT_DEVICE},
  70 };
  71
  72 static void __init omap_perseus2_map_io(void)
  73 {
  74         omap_map_io();
  75         iotable_init(omap_perseus2_io_desc,
  76                      ARRAY_SIZE(omap_perseus2_io_desc));
  77
  78         /* Early, board-dependent init */
  79
  80         /*
  81          * Hold GSM Reset until needed
  82          */
  83         omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
  84
  85         /*
  86          * UARTs -> done automagically by 8250 driver
  87          */
  88
  89         /*
  90          * CSx timings, GPIO Mux ... setup
  91          */
  92
  93         /* Flash: CS0 timings setup */
  94         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
  95         omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
  96
  97         /*
  98          * Ethernet support trough the debug board
  99          * CS1 timings setup
 100          */
 101         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
 102         omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
 103
 104         /*
 105          * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
 106          * It is used as the Ethernet controller interrupt
 107          */
 108         omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
 109 }
 110
 111 MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
 112         MAINTAINER("Kevin Hilman <kjh@hilman.org>")
 113         BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
 114         BOOT_PARAMS(0x10000100)
 115         MAPIO(omap_perseus2_map_io)
 116         INITIRQ(omap_perseus2_init_irq)
 117         INIT_MACHINE(omap_perseus2_init)
 118         INITTIME(omap_init_time)
 119 MACHINE_END