1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Old U-boot compatibility for 824x
4  *
5  * Copyright (c) 2007 Freescale Semiconductor, Inc.
6  */
7 
8 #include "ops.h"
9 #include "stdio.h"
10 #include "cuboot.h"
11 
12 #define TARGET_824x
13 #include "ppcboot.h"
14 
15 static bd_t bd;
16 
17 
platform_fixups(void)18 static void platform_fixups(void)
19 {
20 	void *soc;
21 
22 	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
23 	dt_fixup_mac_addresses(bd.bi_enetaddr);
24 	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
25 
26 	soc = find_node_by_devtype(NULL, "soc");
27 	if (soc) {
28 		void *serial = NULL;
29 
30 		setprop(soc, "bus-frequency", &bd.bi_busfreq,
31 		        sizeof(bd.bi_busfreq));
32 
33 		while ((serial = find_node_by_devtype(serial, "serial"))) {
34 			if (get_parent(serial) != soc)
35 				continue;
36 
37 			setprop(serial, "clock-frequency", &bd.bi_busfreq,
38 			        sizeof(bd.bi_busfreq));
39 		}
40 	}
41 }
42 
platform_init(unsigned long r3,unsigned long r4,unsigned long r5,unsigned long r6,unsigned long r7)43 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
44                    unsigned long r6, unsigned long r7)
45 {
46 	CUBOOT_INIT();
47 	fdt_init(_dtb_start);
48 	serial_console_init();
49 	platform_ops.fixups = platform_fixups;
50 }
51