xref: /linux/arch/powerpc/boot/cuboot-8xx.c (revision a36e9f5cfe9eb3a1dce8769c7058251c42705357)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Old U-boot compatibility for 8xx
4  *
5  * Author: Scott Wood <scottwood@freescale.com>
6  *
7  * Copyright (c) 2007 Freescale Semiconductor, Inc.
8  */
9 
10 #include "ops.h"
11 #include "stdio.h"
12 #include "cuboot.h"
13 
14 #define TARGET_8xx
15 #define TARGET_HAS_ETH1
16 #include "ppcboot.h"
17 
18 static bd_t bd;
19 
20 static void platform_fixups(void)
21 {
22 	void *node;
23 
24 	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
25 	dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
26 	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 16, bd.bi_busfreq);
27 
28 	node = finddevice("/soc/cpm");
29 	if (node)
30 		setprop(node, "clock-frequency", &bd.bi_busfreq, 4);
31 
32 	node = finddevice("/soc/cpm/brg");
33 	if (node)
34 		setprop(node, "clock-frequency",  &bd.bi_busfreq, 4);
35 }
36 
37 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
38                    unsigned long r6, unsigned long r7)
39 {
40 	CUBOOT_INIT();
41 	fdt_init(_dtb_start);
42 	serial_console_init();
43 	platform_ops.fixups = platform_fixups;
44 }
45