1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Old U-boot compatibility for 85xx
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_85xx
15 #define TARGET_HAS_ETH3
16 #include "ppcboot.h"
17 
18 static bd_t bd;
19 
platform_fixups(void)20 static void platform_fixups(void)
21 {
22 	void *soc;
23 
24 	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
25 	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
26 	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
27 	dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr);
28 	dt_fixup_mac_address_by_alias("ethernet3", bd.bi_enet3addr);
29 	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq);
30 
31 	/* Unfortunately, the specific model number is encoded in the
32 	 * soc node name in existing dts files -- once that is fixed,
33 	 * this can do a simple path lookup.
34 	 */
35 	soc = find_node_by_devtype(NULL, "soc");
36 	if (soc) {
37 		void *serial = NULL;
38 
39 		setprop(soc, "bus-frequency", &bd.bi_busfreq,
40 		        sizeof(bd.bi_busfreq));
41 
42 		while ((serial = find_node_by_devtype(serial, "serial"))) {
43 			if (get_parent(serial) != soc)
44 				continue;
45 
46 			setprop(serial, "clock-frequency", &bd.bi_busfreq,
47 			        sizeof(bd.bi_busfreq));
48 		}
49 	}
50 }
51 
platform_init(unsigned long r3,unsigned long r4,unsigned long r5,unsigned long r6,unsigned long r7)52 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
53                    unsigned long r6, unsigned long r7)
54 {
55 	CUBOOT_INIT();
56 	fdt_init(_dtb_start);
57 	serial_console_init();
58 	platform_ops.fixups = platform_fixups;
59 }
60