xref: /openbmc/linux/arch/powerpc/boot/cuboot-8xx.c (revision a1e58bbd)
1 /*
2  * Old U-boot compatibility for 8xx
3  *
4  * Author: Scott Wood <scottwood@freescale.com>
5  *
6  * Copyright (c) 2007 Freescale Semiconductor, Inc.
7  *
8  * This program is free software; you can redistribute it and/or modify it
9  * under the terms of the GNU General Public License version 2 as published
10  * by the Free Software Foundation.
11  */
12 
13 #include "ops.h"
14 #include "stdio.h"
15 #include "cuboot.h"
16 
17 #define TARGET_8xx
18 #define TARGET_HAS_ETH1
19 #include "ppcboot.h"
20 
21 static bd_t bd;
22 
23 static void platform_fixups(void)
24 {
25 	void *node;
26 
27 	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
28 	dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
29 	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 16, bd.bi_busfreq);
30 
31 	node = finddevice("/soc/cpm");
32 	if (node)
33 		setprop(node, "clock-frequency", &bd.bi_busfreq, 4);
34 
35 	node = finddevice("/soc/cpm/brg");
36 	if (node)
37 		setprop(node, "clock-frequency",  &bd.bi_busfreq, 4);
38 }
39 
40 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
41                    unsigned long r6, unsigned long r7)
42 {
43 	CUBOOT_INIT();
44 	fdt_init(_dtb_start);
45 	serial_console_init();
46 	platform_ops.fixups = platform_fixups;
47 }
48