1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Old U-boot compatibility for PPC405EX. This image is already included
4  * a dtb.
5  *
6  * Author: Tiejun Chen <tiejun.chen@windriver.com>
7  *
8  * Copyright (C) 2009 Wind River Systems, Inc.
9  */
10 
11 #include "ops.h"
12 #include "io.h"
13 #include "dcr.h"
14 #include "stdio.h"
15 #include "4xx.h"
16 #include "44x.h"
17 #include "cuboot.h"
18 
19 #define TARGET_4xx
20 #define TARGET_44x
21 #include "ppcboot.h"
22 
23 #define KILAUEA_SYS_EXT_SERIAL_CLOCK     11059200        /* ext. 11.059MHz clk */
24 
25 static bd_t bd;
26 
27 static void kilauea_fixups(void)
28 {
29 	unsigned long sysclk = 33333333;
30 
31 	ibm405ex_fixup_clocks(sysclk, KILAUEA_SYS_EXT_SERIAL_CLOCK);
32 	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
33 	ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
34 	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
35 	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
36 }
37 
38 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
39 		unsigned long r6, unsigned long r7)
40 {
41 	CUBOOT_INIT();
42 	platform_ops.fixups = kilauea_fixups;
43 	platform_ops.exit = ibm40x_dbcr_reset;
44 	fdt_init(_dtb_start);
45 	serial_console_init();
46 }
47