1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Old U-boot compatibility for Sam440ep based off bamboo.c code
4 * original copyrights below
5 *
6 * Author: Josh Boyer <jwboyer@linux.vnet.ibm.com>
7 *
8 * Copyright 2007 IBM Corporation
9 *
10 * Based on cuboot-ebony.c
11 *
12 * Modified from cuboot-bamboo.c for sam440ep:
13 * Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com>
14 */
15
16 #include "ops.h"
17 #include "stdio.h"
18 #include "44x.h"
19 #include "4xx.h"
20 #include "cuboot.h"
21
22 #define TARGET_4xx
23 #define TARGET_44x
24 #include "ppcboot.h"
25
26 static bd_t bd;
27
sam440ep_fixups(void)28 static void sam440ep_fixups(void)
29 {
30 unsigned long sysclk = 66666666;
31
32 ibm440ep_fixup_clocks(sysclk, 11059200, 25000000);
33 ibm4xx_sdram_fixup_memsize();
34 ibm4xx_quiesce_eth((u32 *)0xef600e00, (u32 *)0xef600f00);
35 dt_fixup_mac_addresses(&bd.bi_enetaddr, &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 = sam440ep_fixups;
43 platform_ops.exit = ibm44x_dbcr_reset;
44 fdt_init(_dtb_start);
45 serial_console_init();
46 }
47