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redwood5.c

/*
 * Support for the IBM redwood5 eval board file
 *
 * Author: Armin Kuster <akuster@mvista.com>
 *
 * 2000-2001 (c) MontaVista, Software, Inc.  This file is licensed under
 * the terms of the GNU General Public License version 2.  This program
 * is licensed "as is" without any warranty of any kind, whether express
 * or implied.
 */

#include <linux/init.h>
#include <linux/pagemap.h>
#include <linux/platform_device.h>
#include <linux/ioport.h>
#include <asm/io.h>
#include <asm/machdep.h>
#include <asm/ppc4xx_pic.h>

/*
 * Define external IRQ senses and polarities.
 */
unsigned char ppc4xx_uic_ext_irq_cfg[] __initdata = {
      (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),      /* Ext Int 0 */
      (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),      /* Ext Int 1 */
      (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),      /* Ext Int 2 */
      (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),      /* Ext Int 3 */
      (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),      /* Ext Int 4 */
      (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),      /* Ext Int 5 */
};

static struct resource smc91x_resources[] = {
      [0] = {
            .start      = SMC91111_BASE_ADDR,
            .end  = SMC91111_BASE_ADDR + SMC91111_REG_SIZE - 1,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = SMC91111_IRQ,
            .end  = SMC91111_IRQ,
            .flags      = IORESOURCE_IRQ,
      },
};

static struct platform_device smc91x_device = {
      .name       = "smc91x",
      .id         = 0,
      .num_resources    = ARRAY_SIZE(smc91x_resources),
      .resource   = smc91x_resources,
};

static struct platform_device *redwood5_devs[] __initdata = {
      &smc91x_device,
};

static int __init
redwood5_platform_add_devices(void)
{
      return platform_add_devices(redwood5_devs, ARRAY_SIZE(redwood5_devs));
}

void __init
redwood5_setup_arch(void)
{
      ppc4xx_setup_arch();

#ifdef CONFIG_DEBUG_BRINGUP
      printk("\n");
      printk("machine\t: %s\n", PPC4xx_MACHINE_NAME);
      printk("\n");
      printk("bi_s_version\t %s\n",      bip->bi_s_version);
      printk("bi_r_version\t %s\n",      bip->bi_r_version);
      printk("bi_memsize\t 0x%8.8x\t %dMBytes\n", bip->bi_memsize,bip->bi_memsize/(1024*1000));
      printk("bi_enetaddr %d\t %2.2x%2.2x%2.2x-%2.2x%2.2x%2.2x\n", 0,
      bip->bi_enetaddr[0], bip->bi_enetaddr[1],
      bip->bi_enetaddr[2], bip->bi_enetaddr[3],
      bip->bi_enetaddr[4], bip->bi_enetaddr[5]);

      printk("bi_intfreq\t 0x%8.8x\t clock:\t %dMhz\n",
             bip->bi_intfreq, bip->bi_intfreq/ 1000000);

      printk("bi_busfreq\t 0x%8.8x\t plb bus clock:\t %dMHz\n",
            bip->bi_busfreq, bip->bi_busfreq / 1000000 );
      printk("bi_tbfreq\t 0x%8.8x\t TB freq:\t %dMHz\n",
             bip->bi_tbfreq, bip->bi_tbfreq/1000000);

      printk("\n");
#endif
      device_initcall(redwood5_platform_add_devices);
}

void __init
redwood5_map_io(void)
{
      int i;

      ppc4xx_map_io();
      for (i = 0; i < 16; i++) {
       unsigned long v, p;

      /* 0x400x0000 -> 0xe00x0000 */
      p = 0x40000000 | (i << 16);
      v = STB04xxx_IO_BASE | (i << 16);

      io_block_mapping(v, p, PAGE_SIZE,
             _PAGE_NO_CACHE | pgprot_val(PAGE_KERNEL) | _PAGE_GUARDED);
      }


}

void __init
platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
            unsigned long r6, unsigned long r7)
{
      ppc4xx_init(r3, r4, r5, r6, r7);

      ppc_md.setup_arch = redwood5_setup_arch;
      ppc_md.setup_io_mappings = redwood5_map_io;
}

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