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 | |
18 | static void platform_fixups(void) |
19 | { |
20 | void *soc; |
21 | |
22 | dt_fixup_memory(start: bd.bi_memstart, size: bd.bi_memsize); |
23 | dt_fixup_mac_addresses(bd.bi_enetaddr); |
24 | dt_fixup_cpu_clocks(cpufreq: bd.bi_intfreq, tbfreq: bd.bi_busfreq / 4, busfreq: bd.bi_busfreq); |
25 | |
26 | soc = find_node_by_devtype(prev: NULL, type: "soc" ); |
27 | if (soc) { |
28 | void *serial = NULL; |
29 | |
30 | setprop(devp: soc, name: "bus-frequency" , buf: &bd.bi_busfreq, |
31 | buflen: sizeof(bd.bi_busfreq)); |
32 | |
33 | while ((serial = find_node_by_devtype(prev: serial, type: "serial" ))) { |
34 | if (get_parent(devp: serial) != soc) |
35 | continue; |
36 | |
37 | setprop(devp: serial, name: "clock-frequency" , buf: &bd.bi_busfreq, |
38 | buflen: sizeof(bd.bi_busfreq)); |
39 | } |
40 | } |
41 | } |
42 | |
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(blob: _dtb_start); |
48 | serial_console_init(); |
49 | platform_ops.fixups = platform_fixups; |
50 | } |
51 | |