GNU Linux-libre 4.14.266-gnu1
[releases.git] / arch / powerpc / boot / cuboot-85xx.c
1 /*
2  * Old U-boot compatibility for 85xx
3  *
4  * Author: Scott Wood <scottwood@freescale.com>
5  *
6  * Copyright (c) 2007 Freescale Semiconductor, Inc.
7  *
8  * This program is free software; you can redistribute it and/or modify it
9  * under the terms of the GNU General Public License version 2 as published
10  * by the Free Software Foundation.
11  */
12
13 #include "ops.h"
14 #include "stdio.h"
15 #include "cuboot.h"
16
17 #define TARGET_85xx
18 #define TARGET_HAS_ETH3
19 #include "ppcboot.h"
20
21 static bd_t bd;
22
23 static void platform_fixups(void)
24 {
25         void *soc;
26
27         dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
28         dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
29         dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
30         dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr);
31         dt_fixup_mac_address_by_alias("ethernet3", bd.bi_enet3addr);
32         dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq);
33
34         /* Unfortunately, the specific model number is encoded in the
35          * soc node name in existing dts files -- once that is fixed,
36          * this can do a simple path lookup.
37          */
38         soc = find_node_by_devtype(NULL, "soc");
39         if (soc) {
40                 void *serial = NULL;
41
42                 setprop(soc, "bus-frequency", &bd.bi_busfreq,
43                         sizeof(bd.bi_busfreq));
44
45                 while ((serial = find_node_by_devtype(serial, "serial"))) {
46                         if (get_parent(serial) != soc)
47                                 continue;
48
49                         setprop(serial, "clock-frequency", &bd.bi_busfreq,
50                                 sizeof(bd.bi_busfreq));
51                 }
52         }
53 }
54
55 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
56                    unsigned long r6, unsigned long r7)
57 {
58         CUBOOT_INIT();
59         fdt_init(_dtb_start);
60         serial_console_init();
61         platform_ops.fixups = platform_fixups;
62 }