aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/boot/ep8248e.c
blob: f57d14d0272bea844273daf40a247a0ac71eeeea (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
/*
 * Embedded Planet EP8248E 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 "pq2.h"

static char *table;
static u64 mem_size;

#include <io.h>

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;
	}

	pq2_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);

	fdt_init(_dtb_start);

	planetcore_set_stdout_path(table);
	serial_console_init();
	platform_ops.fixups = platform_fixups;
}