xref: /linux/arch/powerpc/boot/cuboot-sequoia.c (revision bfd5bb6f90af092aa345b15cd78143956a13c2a8)
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 
35 static bd_t bd;
36 
37 
38 static 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 
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 	platform_ops.fixups = sequoia_fixups;
54 	platform_ops.exit = ibm44x_dbcr_reset;
55 	fdt_init(_dtb_start);
56 	serial_console_init();
57 }
58