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_4xx
25 #define TARGET_44x
26 #define TARGET_440GX
27 #include "ppcboot.h"
28 
29 static bd_t bd;
30 
31 BSS_STACK(4096);
32 
33 static void taishan_fixups(void)
34 {
35 	/* FIXME: sysclk should be derived by reading the FPGA
36 	   registers */
37 	unsigned long sysclk = 33000000;
38 
39 	ibm440gx_fixup_clocks(sysclk, 6 * 1843200, 25000000);
40 
41 	ibm4xx_sdram_fixup_memsize();
42 
43 	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
44 	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
45 
46 	ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
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 
54 	platform_ops.fixups = taishan_fixups;
55 	fdt_init(_dtb_start);
56 	serial_console_init();
57 }
58