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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/arch/powerpc/boot/
1/*
2 * Old U-boot compatibility for Sequoia
3 *
4 * Valentine Barshak <vbarshak@ru.mvista.com>
5 * Copyright 2007 MontaVista Software, Inc
6 *
7 * Based on Ebony code by David Gibson <david@gibson.dropbear.id.au>
8 * Copyright IBM Corporation, 2007
9 *
10 * Based on Bamboo code by Josh Boyer <jwboyer@linux.vnet.ibm.com>
11 * Copyright IBM Corporation, 2007
12 *
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; version 2 of the License
16 */
17
18#include <stdarg.h>
19#include <stddef.h>
20#include "types.h"
21#include "elf.h"
22#include "string.h"
23#include "stdio.h"
24#include "page.h"
25#include "ops.h"
26#include "dcr.h"
27#include "4xx.h"
28#include "44x.h"
29#include "cuboot.h"
30
31#define TARGET_4xx
32#define TARGET_44x
33#include "ppcboot.h"
34
35static bd_t bd;
36
37
38static void sequoia_fixups(void)
39{
40	unsigned long sysclk = 33333333;
41
42	ibm440ep_fixup_clocks(sysclk, 11059200, 50000000);
43	ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
44	ibm4xx_denali_fixup_memsize();
45	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
46	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
47}
48
49void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
50                   unsigned long r6, unsigned long r7)
51{
52	CUBOOT_INIT();
53	platform_ops.fixups = sequoia_fixups;
54	platform_ops.exit = ibm44x_dbcr_reset;
55	fdt_init(_dtb_start);
56	serial_console_init();
57}
58