summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/boot/cuboot-taishan.c
blob: f66455a45ab1cfcbf17f5bfbd391f0fb3e37cd37 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
/*
 * Old U-boot compatibility for Taishan
 *
 * Author: Hugh Blemings <hugh@au.ibm.com>
 *
 * Copyright 2007 Hugh Blemings, IBM Corporation.
 *   Based on cuboot-ebony.c which is:
 * Copyright 2007 David Gibson, IBM Corporation.
 *   Based on cuboot-83xx.c, which is:
 * Copyright (c) 2007 Freescale Semiconductor, Inc.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 */

#include "ops.h"
#include "stdio.h"
#include "cuboot.h"
#include "reg.h"
#include "dcr.h"
#include "4xx.h"

#define TARGET_44x
#include "ppcboot.h"

static bd_t bd;

BSS_STACK(4096);

static void taishan_fixups(void)
{
	/* FIXME: sysclk should be derived by reading the FPGA
	   registers */
	unsigned long sysclk = 33000000;

	ibm440gx_fixup_clocks(sysclk, 6 * 1843200, 25000000);

	ibm4xx_sdram_fixup_memsize();

	dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);

	ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
}

void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
		   unsigned long r6, unsigned long r7)
{
	CUBOOT_INIT();

	platform_ops.fixups = taishan_fixups;
	fdt_init(_dtb_start);
	serial_console_init();
}
OpenPOWER on IntegriCloud