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-rw-r--r--arch/powerpc/boot/cuboot-taishan.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/powerpc/boot/cuboot-taishan.c b/arch/powerpc/boot/cuboot-taishan.c
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+++ b/arch/powerpc/boot/cuboot-taishan.c
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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
24#define TARGET_44x
25#include "ppcboot.h"
26
27static bd_t bd;
28
29BSS_STACK(4096);
30
31static void taishan_fixups(void)
32{
33 /* FIXME: sysclk should be derived by reading the FPGA
34 registers */
35 unsigned long sysclk = 33000000;
36
37 ibm440gx_fixup_clocks(sysclk, 6 * 1843200, 25000000);
38
39 ibm4xx_sdram_fixup_memsize();
40
41 dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
42
43 ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
44}
45
46void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
47 unsigned long r6, unsigned long r7)
48{
49 CUBOOT_INIT();
50
51 platform_ops.fixups = taishan_fixups;
52 fdt_init(_dtb_start);
53 serial_console_init();
54}