arch/ppc/platforms/redwood5.c

   1 /*
   2  *
   3  *    Copyright 2000-2001 MontaVista Software Inc.
   4  *      Completed implementation.
   5  *      Author: Armin Kuster
   6  *
   7  *    Module name: redwood5.c
   8  *
   9  *    Description:
  10  *      IBM redwood5 eval board file
  11  *
  12  *      History:  12/29/2001 - Armin
  13  *      initail release
  14  *
  15  * Please read the COPYING file for all license details.
  16  */
  17
  18 #include <linux/config.h>
  19 #include <linux/init.h>
  20 #include <linux/pagemap.h>
  21 #include <asm/io.h>
  22 #include <asm/machdep.h>
  23
  24 void __init
  25 board_setup_arch(void)
  26 {
  27
  28         bd_t *bip = (bd_t *)__res;
  29
  30 #ifdef CONFIG_DEBUG_BRINGUP
  31         printk("\n");
  32         printk("machine\t: %s\n", PPC4xx_MACHINE_NAME);
  33         printk("\n");
  34         printk("bi_s_version\t %s\n",      bip->bi_s_version);
  35         printk("bi_r_version\t %s\n",      bip->bi_r_version);
  36         printk("bi_memsize\t 0x%8.8x\t %dMBytes\n", bip->bi_memsize,bip->bi_memsize/(1024*1000));
  37         printk("bi_enetaddr %d\t %2.2x%2.2x%2.2x-%2.2x%2.2x%2.2x\n", 0,
  38         bip->bi_enetaddr[0], bip->bi_enetaddr[1],
  39         bip->bi_enetaddr[2], bip->bi_enetaddr[3],
  40         bip->bi_enetaddr[4], bip->bi_enetaddr[5]);
  41
  42         printk("bi_intfreq\t 0x%8.8x\t clock:\t %dMhz\n",
  43                bip->bi_intfreq, bip->bi_intfreq/ 1000000);
  44
  45         printk("bi_busfreq\t 0x%8.8x\t plb bus clock:\t %dMHz\n",
  46                 bip->bi_busfreq, bip->bi_busfreq / 1000000 );
  47         printk("bi_tbfreq\t 0x%8.8x\t TB freq:\t %dMHz\n",
  48                bip->bi_tbfreq, bip->bi_tbfreq/1000000);
  49
  50         printk("\n");
  51 #endif
  52
  53 }
  54
  55 void __init
  56 board_io_mapping(void)
  57 {
  58         int i;
  59
  60         for (i = 0; i < 16; i++) {
  61          unsigned long v, p;
  62
  63         /* 0x400x0000 -> 0xe00x0000 */
  64         p = 0x40000000 | (i << 16);
  65         v = STB04xxx_IO_BASE | (i << 16);
  66
  67         io_block_mapping(v, p, PAGE_SIZE,
  68                  _PAGE_NO_CACHE | pgprot_val(PAGE_KERNEL) | _PAGE_GUARDED);
  69         }
  70
  71
  72 }
  73
  74 void __init
  75 board_setup_irq(void)
  76 {
  77 }
  78
  79 void __init
  80 board_init(void)
  81 {
  82 }