1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Old U-boot compatibility for 83xx
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Author: Scott Wood <scottwood@freescale.com>
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Copyright (c) 2007 Freescale Semiconductor, Inc.
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #include "ops.h"
11*4882a593Smuzhiyun #include "stdio.h"
12*4882a593Smuzhiyun #include "cuboot.h"
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #define TARGET_83xx
15*4882a593Smuzhiyun #include "ppcboot.h"
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun static bd_t bd;
18*4882a593Smuzhiyun
platform_fixups(void)19*4882a593Smuzhiyun static void platform_fixups(void)
20*4882a593Smuzhiyun {
21*4882a593Smuzhiyun void *soc;
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
24*4882a593Smuzhiyun dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
25*4882a593Smuzhiyun dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
26*4882a593Smuzhiyun dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun /* Unfortunately, the specific model number is encoded in the
29*4882a593Smuzhiyun * soc node name in existing dts files -- once that is fixed,
30*4882a593Smuzhiyun * this can do a simple path lookup.
31*4882a593Smuzhiyun */
32*4882a593Smuzhiyun soc = find_node_by_devtype(NULL, "soc");
33*4882a593Smuzhiyun if (soc) {
34*4882a593Smuzhiyun void *serial = NULL;
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun setprop(soc, "bus-frequency", &bd.bi_busfreq,
37*4882a593Smuzhiyun sizeof(bd.bi_busfreq));
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun while ((serial = find_node_by_devtype(serial, "serial"))) {
40*4882a593Smuzhiyun if (get_parent(serial) != soc)
41*4882a593Smuzhiyun continue;
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun setprop(serial, "clock-frequency", &bd.bi_busfreq,
44*4882a593Smuzhiyun sizeof(bd.bi_busfreq));
45*4882a593Smuzhiyun }
46*4882a593Smuzhiyun }
47*4882a593Smuzhiyun }
48*4882a593Smuzhiyun
platform_init(unsigned long r3,unsigned long r4,unsigned long r5,unsigned long r6,unsigned long r7)49*4882a593Smuzhiyun void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
50*4882a593Smuzhiyun unsigned long r6, unsigned long r7)
51*4882a593Smuzhiyun {
52*4882a593Smuzhiyun CUBOOT_INIT();
53*4882a593Smuzhiyun fdt_init(_dtb_start);
54*4882a593Smuzhiyun serial_console_init();
55*4882a593Smuzhiyun platform_ops.fixups = platform_fixups;
56*4882a593Smuzhiyun }
57