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 
32 static bd_t bd;
33 
34 
35 static void sequoia_fixups(void)
36 {
37 	unsigned long sysclk = 33333333;
38 
39 	ibm440ep_fixup_clocks(sysclk, 11059200, 50000000);
40 	ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
41 	ibm4xx_denali_fixup_memsize();
42 	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
43 	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
44 }
45 
46 void 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(_dtb_start);
53 	serial_console_init();
54 }
55