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  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/device.h>
  14
  15 #include <asm/hardware.h>
  16 #include <asm/mach/arch.h>
  17 #include <asm/mach/map.h>
  18
  19 #include <asm/arch/clocks.h>
  20 #include <asm/arch/gpio.h>
  21 #include <asm/arch/mux.h>
  22
  23 #include "common.h"
  24
  25 void omap_perseus2_init_irq(void)
  26 {
  27         omap_init_irq();
  28 }
  29
  30 static struct resource smc91x_resources[] = {
  31         [0] = {
  32                 .start  = OMAP730_FPGA_ETHR_START,      /* Physical */
  33                 .end    = OMAP730_FPGA_ETHR_START + SZ_4K,
  34                 .flags  = IORESOURCE_MEM,
  35         },
  36         [1] = {
  37                 .start  = 0,
  38                 .end    = 0,
  39                 .flags  = INT_ETHER,
  40         },
  41 };
  42
  43 static struct platform_device smc91x_device = {
  44         .name           = "smc91x",
  45         .id             = 0,
  46         .num_resources  = ARRAY_SIZE(smc91x_resources),
  47         .resource       = smc91x_resources,
  48 };
  49
  50 static struct platform_device *devices[] __initdata = {
  51         &smc91x_device,
  52 };
  53
  54 static void __init omap_perseus2_init(void)
  55 {
  56         (void) platform_add_devices(devices, ARRAY_SIZE(devices));
  57 }
  58
  59 /* Only FPGA needs to be mapped here. All others are done with ioremap */
  60 static struct map_desc omap_perseus2_io_desc[] __initdata = {
  61         {OMAP730_FPGA_BASE, OMAP730_FPGA_START, OMAP730_FPGA_SIZE,
  62          MT_DEVICE},
  63 };
  64
  65 static void __init omap_perseus2_map_io(void)
  66 {
  67         omap_map_io();
  68         iotable_init(omap_perseus2_io_desc,
  69                      ARRAY_SIZE(omap_perseus2_io_desc));
  70
  71         /* Early, board-dependent init */
  72
  73         /*
  74          * Hold GSM Reset until needed
  75          */
  76         omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
  77
  78         /*
  79          * UARTs -> done automagically by 8250 driver
  80          */
  81
  82         /*
  83          * CSx timings, GPIO Mux ... setup
  84          */
  85
  86         /* Flash: CS0 timings setup */
  87         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
  88         omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
  89
  90         /*
  91          * Ethernet support trough the debug board
  92          * CS1 timings setup
  93          */
  94         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
  95         omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
  96
  97         /*
  98          * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
  99          * It is used as the Ethernet controller interrupt
 100          */
 101         omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
 102 }
 103
 104 MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
 105         MAINTAINER("Kevin Hilman <k-hilman@ti.com>")
 106         BOOT_MEM(0x10000000, 0xe0000000, 0xe0000000)
 107         BOOT_PARAMS(0x10000100)
 108         MAPIO(omap_perseus2_map_io)
 109         INITIRQ(omap_perseus2_init_irq)
 110         INIT_MACHINE(omap_perseus2_init)
 111 MACHINE_END