blob: 723872ddd44787b55a4fc9a984c02a3f4f06d61b [file] [log] [blame]
Kumar Gala7858f742008-01-24 16:04:58 -06001/*
2 * Old U-boot compatibility for 85xx
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_85xx
18#define TARGET_CPM2
19#include "ppcboot.h"
20
21static bd_t bd;
22
23static void platform_fixups(void)
24{
25 void *devp;
26
27 dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
28 dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
29 dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
30 dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr);
31 dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq);
32
33 /* Unfortunately, the specific model number is encoded in the
34 * soc node name in existing dts files -- once that is fixed,
35 * this can do a simple path lookup.
36 */
37 devp = find_node_by_devtype(NULL, "soc");
38 if (devp) {
39 void *serial = NULL;
40
41 setprop(devp, "bus-frequency", &bd.bi_busfreq,
42 sizeof(bd.bi_busfreq));
43
44 while ((serial = find_node_by_devtype(serial, "serial"))) {
45 if (get_parent(serial) != devp)
46 continue;
47
48 setprop(serial, "clock-frequency", &bd.bi_busfreq,
49 sizeof(bd.bi_busfreq));
50 }
51 }
52
53 devp = find_node_by_compatible(NULL, "fsl,cpm2-brg");
54 if (devp)
55 setprop(devp, "clock-frequency", &bd.bi_brgfreq,
56 sizeof(bd.bi_brgfreq));
57}
58
59void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
60 unsigned long r6, unsigned long r7)
61{
62 CUBOOT_INIT();
63 fdt_init(_dtb_start);
64 serial_console_init();
65 platform_ops.fixups = platform_fixups;
66}