1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Old U-boot compatibility for Sequoia
4 *
5 * Valentine Barshak <vbarshak@ru.mvista.com>
6 * Copyright 2007 MontaVista Software, Inc
7 *
8 * Based on Ebony code by David Gibson <david@gibson.dropbear.id.au>
9 * Copyright IBM Corporation, 2007
10 *
11 * Based on Bamboo code by Josh Boyer <jwboyer@linux.vnet.ibm.com>
12 * Copyright IBM Corporation, 2007
13 */
14
15#include <stdarg.h>
16#include <stddef.h>
17#include "types.h"
18#include "elf.h"
19#include "string.h"
20#include "stdio.h"
21#include "page.h"
22#include "ops.h"
23#include "dcr.h"
24#include "4xx.h"
25#include "44x.h"
26#include "cuboot.h"
27
28#define TARGET_4xx
29#define TARGET_44x
30#include "ppcboot.h"
31
32static bd_t bd;
33
34
35static void sequoia_fixups(void)
36{
37 unsigned long sysclk = 33333333;
38
39 ibm440ep_fixup_clocks(sys_clk: sysclk, ser_clk: 11059200, tmr_clk: 50000000);
40 ibm4xx_fixup_ebc_ranges(ebc: "/plb/opb/ebc");
41 ibm4xx_denali_fixup_memsize();
42 dt_fixup_mac_address_by_alias(alias: "ethernet0", addr: bd.bi_enetaddr);
43 dt_fixup_mac_address_by_alias(alias: "ethernet1", addr: bd.bi_enet1addr);
44}
45
46void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
47 unsigned long r6, unsigned long r7)
48{
49 CUBOOT_INIT();
50 platform_ops.fixups = sequoia_fixups;
51 platform_ops.exit = ibm44x_dbcr_reset;
52 fdt_init(blob: _dtb_start);
53 serial_console_init();
54}
55

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