1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Old U-boot compatibility for 8xx
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_8xx
15#define TARGET_HAS_ETH1
16#include "ppcboot.h"
17
18static bd_t bd;
19
20static void platform_fixups(void)
21{
22 void *node;
23
24 dt_fixup_memory(start: bd.bi_memstart, size: bd.bi_memsize);
25 dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
26 dt_fixup_cpu_clocks(cpufreq: bd.bi_intfreq, tbfreq: bd.bi_busfreq / 16, busfreq: bd.bi_busfreq);
27
28 node = finddevice(name: "/soc/cpm");
29 if (node)
30 setprop(devp: node, name: "clock-frequency", buf: &bd.bi_busfreq, buflen: 4);
31
32 node = finddevice(name: "/soc/cpm/brg");
33 if (node)
34 setprop(devp: node, name: "clock-frequency", buf: &bd.bi_busfreq, buflen: 4);
35}
36
37void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
38 unsigned long r6, unsigned long r7)
39{
40 CUBOOT_INIT();
41 fdt_init(blob: _dtb_start);
42 serial_console_init();
43 platform_ops.fixups = platform_fixups;
44}
45

source code of linux/arch/powerpc/boot/cuboot-8xx.c