Commit | Line | Data |
---|---|---|
7858f747 KG |
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_CPM2 | |
19 | #include "ppcboot.h" | |
20 | ||
21 | static bd_t bd; | |
22 | ||
23 | static 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 | ||
59 | void 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 | } |