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  
kilauea_fixups(void)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  
platform_init(unsigned long r3,unsigned long r4,unsigned long r5,unsigned long r6,unsigned long r7)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