1/*
2 * Old U-boot compatibility for 83xx
3 *
4 * Author: Scott Wood <scottwood@freescale.com>
5 *
6 * Copyright (c) 2007 Freescale Semiconductor, Inc.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published
10 * by the Free Software Foundation.
11 */
12
13#include "ops.h"
14#include "stdio.h"
15#include "cuboot.h"
16
17#define TARGET_83xx
18#include "ppcboot.h"
19
20static bd_t bd;
21
22static void platform_fixups(void)
23{
24	void *soc;
25
26	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
27	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
28	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
29	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
30
31	/* Unfortunately, the specific model number is encoded in the
32	 * soc node name in existing dts files -- once that is fixed,
33	 * this can do a simple path lookup.
34	 */
35	soc = find_node_by_devtype(NULL, "soc");
36	if (soc) {
37		void *serial = NULL;
38
39		setprop(soc, "bus-frequency", &bd.bi_busfreq,
40		        sizeof(bd.bi_busfreq));
41
42		while ((serial = find_node_by_devtype(serial, "serial"))) {
43			if (get_parent(serial) != soc)
44				continue;
45
46			setprop(serial, "clock-frequency", &bd.bi_busfreq,
47			        sizeof(bd.bi_busfreq));
48		}
49	}
50}
51
52void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
53                   unsigned long r6, unsigned long r7)
54{
55	CUBOOT_INIT();
56	fdt_init(_dtb_start);
57	serial_console_init();
58	platform_ops.fixups = platform_fixups;
59}
60