arch/ppc/platforms/4xx/redwood5.c

   1 /*
   2  * arch/ppc/platforms/4xx/redwood5.c
   3  *
   4  * Support for the IBM redwood5 eval board file
   5  *
   6  * Author: Armin Kuster <akuster@mvista.com>
   7  *
   8  * 2000-2001 (c) MontaVista, Software, Inc.  This file is licensed under
   9  * the terms of the GNU General Public License version 2.  This program
  10  * is licensed "as is" without any warranty of any kind, whether express
  11  * or implied.
  12  */
  13
  14 #include <linux/config.h>
  15 #include <linux/init.h>
  16 #include <linux/pagemap.h>
  17 #include <linux/device.h>
  18 #include <linux/ioport.h>
  19 #include <asm/io.h>
  20 #include <asm/machdep.h>
  21
  22 static struct resource smc91x_resources[] = {
  23         [0] = {
  24                 .start  = SMC91111_BASE_ADDR,
  25                 .end    = SMC91111_BASE_ADDR + SMC91111_REG_SIZE - 1,
  26                 .flags  = IORESOURCE_MEM,
  27         },
  28         [1] = {
  29                 .start  = SMC91111_IRQ,
  30                 .end    = SMC91111_IRQ,
  31                 .flags  = IORESOURCE_IRQ,
  32         },
  33 };
  34
  35 static struct platform_device smc91x_device = {
  36         .name           = "smc91x",
  37         .id             = 0,
  38         .num_resources  = ARRAY_SIZE(smc91x_resources),
  39         .resource       = smc91x_resources,
  40 };
  41
  42 static struct platform_device *redwood5_devs[] __initdata = {
  43         &smc91x_device,
  44 };
  45
  46 static int __init
  47 redwood5_platform_add_devices(void)
  48 {
  49         return platform_add_devices(redwood5_devs, ARRAY_SIZE(redwood5_devs));
  50 }
  51
  52 void __init
  53 redwood5_setup_arch(void)
  54 {
  55         ppc4xx_setup_arch();
  56
  57 #ifdef CONFIG_DEBUG_BRINGUP
  58         printk("\n");
  59         printk("machine\t: %s\n", PPC4xx_MACHINE_NAME);
  60         printk("\n");
  61         printk("bi_s_version\t %s\n",      bip->bi_s_version);
  62         printk("bi_r_version\t %s\n",      bip->bi_r_version);
  63         printk("bi_memsize\t 0x%8.8x\t %dMBytes\n", bip->bi_memsize,bip->bi_memsize/(1024*1000));
  64         printk("bi_enetaddr %d\t %2.2x%2.2x%2.2x-%2.2x%2.2x%2.2x\n", 0,
  65         bip->bi_enetaddr[0], bip->bi_enetaddr[1],
  66         bip->bi_enetaddr[2], bip->bi_enetaddr[3],
  67         bip->bi_enetaddr[4], bip->bi_enetaddr[5]);
  68
  69         printk("bi_intfreq\t 0x%8.8x\t clock:\t %dMhz\n",
  70                bip->bi_intfreq, bip->bi_intfreq/ 1000000);
  71
  72         printk("bi_busfreq\t 0x%8.8x\t plb bus clock:\t %dMHz\n",
  73                 bip->bi_busfreq, bip->bi_busfreq / 1000000 );
  74         printk("bi_tbfreq\t 0x%8.8x\t TB freq:\t %dMHz\n",
  75                bip->bi_tbfreq, bip->bi_tbfreq/1000000);
  76
  77         printk("\n");
  78 #endif
  79         device_initcall(redwood5_platform_add_devices);
  80 }
  81
  82 void __init
  83 redwood5_map_io(void)
  84 {
  85         int i;
  86
  87         ppc4xx_map_io();
  88         for (i = 0; i < 16; i++) {
  89          unsigned long v, p;
  90
  91         /* 0x400x0000 -> 0xe00x0000 */
  92         p = 0x40000000 | (i << 16);
  93         v = STB04xxx_IO_BASE | (i << 16);
  94
  95         io_block_mapping(v, p, PAGE_SIZE,
  96                  _PAGE_NO_CACHE | pgprot_val(PAGE_KERNEL) | _PAGE_GUARDED);
  97         }
  98
  99
 100 }
 101
 102 void __init
 103 platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 104               unsigned long r6, unsigned long r7)
 105 {
 106         ppc4xx_init(r3, r4, r5, r6, r7);
 107
 108         ppc_md.setup_arch = redwood5_setup_arch;
 109         ppc_md.setup_io_mappings = redwood5_map_io;
 110 }