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_44x
25 #include "ppcboot.h"
26 
27 static bd_t bd;
28 
29 BSS_STACK(4096);
30 
31 static void taishan_fixups(void)
32 {
33 	/* FIXME: sysclk should be derived by reading the FPGA
34 	   registers */
35 	unsigned long sysclk = 33000000;
36 
37 	ibm440gx_fixup_clocks(sysclk, 6 * 1843200, 25000000);
38 
39 	ibm4xx_sdram_fixup_memsize();
40 
41 	dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
42 
43 	ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
44 }
45 
46 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
47 		   unsigned long r6, unsigned long r7)
48 {
49 	CUBOOT_INIT();
50 
51 	platform_ops.fixups = taishan_fixups;
52 	fdt_init(_dtb_start);
53 	serial_console_init();
54 }
55