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
20 static bd_t bd;
21
platform_fixups(void)22 static 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
platform_init(unsigned long r3,unsigned long r4,unsigned long r5,unsigned long r6,unsigned long r7)52 void 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