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c5b20d39 TC |
1 | /* |
2 | * Old U-boot compatibility for PPC405EX. This image is already included | |
3 | * a dtb. | |
4 | * | |
5 | * Author: Tiejun Chen <tiejun.chen@windriver.com> | |
6 | * | |
7 | * Copyright (C) 2009 Wind River Systems, Inc. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify it | |
10 | * under the terms of the GNU General Public License version 2 as published | |
11 | * by the Free Software Foundation. | |
12 | */ | |
13 | ||
14 | #include "ops.h" | |
15 | #include "io.h" | |
16 | #include "dcr.h" | |
17 | #include "stdio.h" | |
18 | #include "4xx.h" | |
19 | #include "44x.h" | |
20 | #include "cuboot.h" | |
21 | ||
22 | #define TARGET_4xx | |
23 | #define TARGET_44x | |
24 | #include "ppcboot.h" | |
25 | ||
26 | #define KILAUEA_SYS_EXT_SERIAL_CLOCK 11059200 /* ext. 11.059MHz clk */ | |
27 | ||
28 | static bd_t bd; | |
29 | ||
30 | static void kilauea_fixups(void) | |
31 | { | |
32 | unsigned long sysclk = 33333333; | |
33 | ||
34 | ibm405ex_fixup_clocks(sysclk, KILAUEA_SYS_EXT_SERIAL_CLOCK); | |
35 | dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); | |
36 | ibm4xx_fixup_ebc_ranges("/plb/opb/ebc"); | |
37 | dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); | |
38 | dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); | |
39 | } | |
40 | ||
41 | void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, | |
42 | unsigned long r6, unsigned long r7) | |
43 | { | |
44 | CUBOOT_INIT(); | |
45 | platform_ops.fixups = kilauea_fixups; | |
46 | platform_ops.exit = ibm40x_dbcr_reset; | |
47 | fdt_init(_dtb_start); | |
48 | serial_console_init(); | |
49 | } |