release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-h720x/h7202-eval.c

   1 /*
   2  * linux/arch/arm/mach-h720x/h7202-eval.c
   3  *
   4  * Copyright (C) 2003 Thomas Gleixner <tglx@linutronix.de>
   5  *               2003 Robert Schwebel <r.schwebel@pengutronix.de>
   6  *               2004 Sascha Hauer <s.hauer@pengutronix.de>
   7  *
   8  * Architecture specific stuff for Hynix HMS30C7202 development board
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  *
  14  */
  15
  16 #include <linux/init.h>
  17 #include <linux/kernel.h>
  18 #include <linux/types.h>
  19 #include <linux/string.h>
  20 #include <linux/platform_device.h>
  21
  22 #include <asm/setup.h>
  23 #include <asm/types.h>
  24 #include <asm/mach-types.h>
  25 #include <asm/page.h>
  26 #include <asm/pgtable.h>
  27 #include <asm/mach/arch.h>
  28 #include <mach/irqs.h>
  29 #include <mach/hardware.h>
  30 #include "common.h"
  31
  32 static struct resource cirrus_resources[] = {
  33         [0] = {
  34                 .start  = ETH0_PHYS + 0x300,
  35                 .end    = ETH0_PHYS + 0x300 + 0x10,
  36                 .flags  = IORESOURCE_MEM,
  37         },
  38         [1] = {
  39                 .start  = IRQ_CHAINED_GPIOB(8),
  40                 .end    = IRQ_CHAINED_GPIOB(8),
  41                 .flags  = IORESOURCE_IRQ,
  42         },
  43 };
  44
  45 static struct platform_device cirrus_device = {
  46         .name           = "cirrus-cs89x0",
  47         .id             = -1,
  48         .num_resources  = ARRAY_SIZE(cirrus_resources),
  49         .resource       = cirrus_resources,
  50 };
  51
  52 static struct platform_device *devices[] __initdata = {
  53         &cirrus_device,
  54 };
  55
  56 /*
  57  * Hardware init. This is called early in initcalls
  58  * Place pin inits here. So you avoid adding ugly
  59  * #ifdef stuff to common drivers.
  60  * Use this only, if your bootloader is not able
  61  * to initialize the pins proper.
  62  */
  63 static void __init init_eval_h7202(void)
  64 {
  65         init_hw_h7202();
  66         (void) platform_add_devices(devices, ARRAY_SIZE(devices));
  67
  68         /* Enable interrupt on portb bit 8 (ethernet) */
  69         CPU_REG (GPIO_B_VIRT, GPIO_POL) &= ~(1 << 8);
  70         CPU_REG (GPIO_B_VIRT, GPIO_EN) |= (1 << 8);
  71 }
  72
  73 MACHINE_START(H7202, "Hynix HMS30C7202")
  74         /* Maintainer: Robert Schwebel, Pengutronix */
  75         .phys_io        = 0x80000000,
  76         .io_pg_offst    = ((0xf0000000) >> 18) & 0xfffc,
  77         .boot_params    = 0x40000100,
  78         .map_io         = h720x_map_io,
  79         .init_irq       = h7202_init_irq,
  80         .timer          = &h7202_timer,
  81         .init_machine   = init_eval_h7202,
  82 MACHINE_END