xref: /linux/arch/powerpc/boot/cuboot-katmai.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  * Old U-boot compatibility for Katmai
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 "reg.h"
20 #include "dcr.h"
21 #include "4xx.h"
22 #include "44x.h"
23 #include "cuboot.h"
24 
25 #define TARGET_4xx
26 #define TARGET_44x
27 #include "ppcboot.h"
28 
29 static bd_t bd;
30 
31 BSS_STACK(4096);
32 
33 static void katmai_fixups(void)
34 {
35 	unsigned long sysclk = 33333000;
36 
37 	/* 440SP Clock logic is all but identical to 440GX
38 	 * so we just use that code for now at least
39 	 */
40 	ibm440spe_fixup_clocks(sysclk, 6 * 1843200, 0);
41 
42 	ibm440spe_fixup_memsize();
43 
44 	dt_fixup_mac_address(0, bd.bi_enetaddr);
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 = katmai_fixups;
55 	fdt_init(_dtb_start);
56 	serial_console_init();
57 }
58