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
15static bd_t bd;
16
17
18static 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
43void 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

source code of linux/arch/powerpc/boot/cuboot-824x.c