1 /*
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_HAS_ETH3
19 #include "ppcboot.h"
20
21 static bd_t bd;
22
platform_fixups(void)23 static void platform_fixups(void)
24 {
25 void *soc;
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_mac_address_by_alias("ethernet3", bd.bi_enet3addr);
32 dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq);
33
34 /* Unfortunately, the specific model number is encoded in the
35 * soc node name in existing dts files -- once that is fixed,
36 * this can do a simple path lookup.
37 */
38 soc = find_node_by_devtype(NULL, "soc");
39 if (soc) {
40 void *serial = NULL;
41
42 setprop(soc, "bus-frequency", &bd.bi_busfreq,
43 sizeof(bd.bi_busfreq));
44
45 while ((serial = find_node_by_devtype(serial, "serial"))) {
46 if (get_parent(serial) != soc)
47 continue;
48
49 setprop(serial, "clock-frequency", &bd.bi_busfreq,
50 sizeof(bd.bi_busfreq));
51 }
52 }
53 }
54
platform_init(unsigned long r3,unsigned long r4,unsigned long r5,unsigned long r6,unsigned long r7)55 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
56 unsigned long r6, unsigned long r7)
57 {
58 CUBOOT_INIT();
59 fdt_init(_dtb_start);
60 serial_console_init();
61 platform_ops.fixups = platform_fixups;
62 }
63