Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * Embedded Planet EP88xC with PlanetCore firmware

 *

 * Author: Scott Wood <scottwood@freescale.com>

 *

 * Copyright (c) 2007 Freescale Semiconductor, Inc.

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 as published

 * by the Free Software Foundation.

 */

#include "ops.h"

#include "stdio.h"

#include "planetcore.h"

#include "mpc8xx.h"

static char *table;

static u64 mem_size;

static void platform_fixups(void)

{

        u64 val;

        dt_fixup_memory(0, mem_size);

        planetcore_set_mac_addrs(table);

        if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, &val)) {

                printf("No PlanetCore crystal frequency key.\r\n");

                return;

        }

        mpc885_fixup_clocks(val);

}

void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,

                   unsigned long r6, unsigned long r7)

{

        table = (char *)r3;

        planetcore_prepare_table(table);

        if (!planetcore_get_decimal(table, PLANETCORE_KEY_MB_RAM, &mem_size))

                return;

        mem_size *= 1024 * 1024;

        simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64);

        ft_init(_dtb_start, _dtb_end - _dtb_start, 32);

        planetcore_set_stdout_path(table);

        serial_console_init();

        platform_ops.fixups = platform_fixups;

}