1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * Old U-boot compatibility for 83xx
 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_83xx
15#include "ppcboot.h"
16
17static bd_t bd;
18
19static void platform_fixups(void)
20{
21	void *soc;
22
23	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
24	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
25	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
26	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
27
28	/* Unfortunately, the specific model number is encoded in the
29	 * soc node name in existing dts files -- once that is fixed,
30	 * this can do a simple path lookup.
31	 */
32	soc = find_node_by_devtype(NULL, "soc");
33	if (soc) {
34		void *serial = NULL;
35
36		setprop(soc, "bus-frequency", &bd.bi_busfreq,
37		        sizeof(bd.bi_busfreq));
38
39		while ((serial = find_node_by_devtype(serial, "serial"))) {
40			if (get_parent(serial) != soc)
41				continue;
42
43			setprop(serial, "clock-frequency", &bd.bi_busfreq,
44			        sizeof(bd.bi_busfreq));
45		}
46	}
47}
48
49void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
50                   unsigned long r6, unsigned long r7)
51{
52	CUBOOT_INIT();
53	fdt_init(_dtb_start);
54	serial_console_init();
55	platform_ops.fixups = platform_fixups;
56}

 
 1/*
 2 * Old U-boot compatibility for 83xx
 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_83xx
18#include "ppcboot.h"
19
20static bd_t bd;
21
22static void platform_fixups(void)
23{
24	void *soc;
25
26	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
27	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
28	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
29	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, 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
52void 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}