1 /*
2  * Old U-boot compatibility for PPC405EX. This image is already included
3  * a dtb.
4  *
5  * Author: Tiejun Chen <tiejun.chen@windriver.com>
6  *
7  * Copyright (C) 2009 Wind River Systems, Inc.
8  *
9  * This program is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU General Public License version 2 as published
11  * by the Free Software Foundation.
12  */
13 
14 #include "ops.h"
15 #include "io.h"
16 #include "dcr.h"
17 #include "stdio.h"
18 #include "4xx.h"
19 #include "44x.h"
20 #include "cuboot.h"
21 
22 #define TARGET_4xx
23 #define TARGET_44x
24 #include "ppcboot.h"
25 
26 #define KILAUEA_SYS_EXT_SERIAL_CLOCK     11059200        /* ext. 11.059MHz clk */
27 
28 static bd_t bd;
29 
30 static void kilauea_fixups(void)
31 {
32 	unsigned long sysclk = 33333333;
33 
34 	ibm405ex_fixup_clocks(sysclk, KILAUEA_SYS_EXT_SERIAL_CLOCK);
35 	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
36 	ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
37 	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
38 	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
39 }
40 
41 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
42 		unsigned long r6, unsigned long r7)
43 {
44 	CUBOOT_INIT();
45 	platform_ops.fixups = kilauea_fixups;
46 	platform_ops.exit = ibm40x_dbcr_reset;
47 	fdt_init(_dtb_start);
48 	serial_console_init();
49 }
50