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6bbc5476 HB |
1 | /* |
2 | * Old U-boot compatibility for Taishan | |
3 | * | |
4 | * Author: Hugh Blemings <hugh@au.ibm.com> | |
5 | * | |
6 | * Copyright 2007 Hugh Blemings, IBM Corporation. | |
7 | * Based on cuboot-ebony.c which is: | |
8 | * Copyright 2007 David Gibson, IBM Corporation. | |
9 | * Based on cuboot-83xx.c, which is: | |
10 | * Copyright (c) 2007 Freescale Semiconductor, Inc. | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify it | |
13 | * under the terms of the GNU General Public License version 2 as published | |
14 | * by the Free Software Foundation. | |
15 | */ | |
16 | ||
17 | #include "ops.h" | |
18 | #include "stdio.h" | |
19 | #include "cuboot.h" | |
20 | #include "reg.h" | |
21 | #include "dcr.h" | |
22 | #include "4xx.h" | |
23 | ||
c91f91e5 | 24 | #define TARGET_4xx |
6bbc5476 | 25 | #define TARGET_44x |
c91f91e5 | 26 | #define TARGET_440GX |
6bbc5476 HB |
27 | #include "ppcboot.h" |
28 | ||
29 | static bd_t bd; | |
30 | ||
31 | BSS_STACK(4096); | |
32 | ||
33 | static void taishan_fixups(void) | |
34 | { | |
35 | /* FIXME: sysclk should be derived by reading the FPGA | |
36 | registers */ | |
37 | unsigned long sysclk = 33000000; | |
38 | ||
190de005 | 39 | ibm440gx_fixup_clocks(sysclk, 6 * 1843200, 25000000); |
6bbc5476 | 40 | |
d23f5099 | 41 | ibm4xx_sdram_fixup_memsize(); |
6bbc5476 | 42 | |
ecc6cd73 DG |
43 | dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); |
44 | dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); | |
6bbc5476 HB |
45 | |
46 | ibm4xx_fixup_ebc_ranges("/plb/opb/ebc"); | |
47 | } | |
48 | ||
49 | void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, | |
50 | unsigned long r6, unsigned long r7) | |
51 | { | |
52 | CUBOOT_INIT(); | |
53 | ||
54 | platform_ops.fixups = taishan_fixups; | |
55 | fdt_init(_dtb_start); | |
56 | serial_console_init(); | |
57 | } |