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_CPM2
16#include "ppcboot.h"
17
18static bd_t bd;
19
20static void platform_fixups(void)
21{
22	void *devp;
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_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq);
29
30	/* Unfortunately, the specific model number is encoded in the
31	 * soc node name in existing dts files -- once that is fixed,
32	 * this can do a simple path lookup.
33	 */
34	devp = find_node_by_devtype(NULL, "soc");
35	if (devp) {
36		void *serial = NULL;
37
38		setprop(devp, "bus-frequency", &bd.bi_busfreq,
39		        sizeof(bd.bi_busfreq));
40
41		while ((serial = find_node_by_devtype(serial, "serial"))) {
42			if (get_parent(serial) != devp)
43				continue;
44
45			setprop(serial, "clock-frequency", &bd.bi_busfreq,
46			        sizeof(bd.bi_busfreq));
47		}
48	}
49
50	devp = find_node_by_compatible(NULL, "fsl,cpm2-brg");
51	if (devp)
52		setprop(devp, "clock-frequency", &bd.bi_brgfreq,
53		        sizeof(bd.bi_brgfreq));
54}
55
56void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
57                   unsigned long r6, unsigned long r7)
58{
59	CUBOOT_INIT();
60	fdt_init(_dtb_start);
61	serial_console_init();
62	platform_ops.fixups = platform_fixups;
63}

 
 1/*
 2 * Old U-boot compatibility for 85xx
 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_85xx
18#define TARGET_CPM2
19#include "ppcboot.h"
20
21static bd_t bd;
22
23static void platform_fixups(void)
24{
25	void *devp;
26
27	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
28	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
29	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
30	dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr);
31	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq);
32
33	/* Unfortunately, the specific model number is encoded in the
34	 * soc node name in existing dts files -- once that is fixed,
35	 * this can do a simple path lookup.
36	 */
37	devp = find_node_by_devtype(NULL, "soc");
38	if (devp) {
39		void *serial = NULL;
40
41		setprop(devp, "bus-frequency", &bd.bi_busfreq,
42		        sizeof(bd.bi_busfreq));
43
44		while ((serial = find_node_by_devtype(serial, "serial"))) {
45			if (get_parent(serial) != devp)
46				continue;
47
48			setprop(serial, "clock-frequency", &bd.bi_busfreq,
49			        sizeof(bd.bi_busfreq));
50		}
51	}
52
53	devp = find_node_by_compatible(NULL, "fsl,cpm2-brg");
54	if (devp)
55		setprop(devp, "clock-frequency", &bd.bi_brgfreq,
56		        sizeof(bd.bi_brgfreq));
57}
58
59void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
60                   unsigned long r6, unsigned long r7)
61{
62	CUBOOT_INIT();
63	fdt_init(_dtb_start);
64	serial_console_init();
65	platform_ops.fixups = platform_fixups;
66}