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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
7858f747 KG |
2 | /* |
3 | * Old U-boot compatibility for 85xx | |
4 | * | |
5 | * Author: Scott Wood <scottwood@freescale.com> | |
6 | * | |
7 | * Copyright (c) 2007 Freescale Semiconductor, Inc. | |
7858f747 KG |
8 | */ |
9 | ||
10 | #include "ops.h" | |
11 | #include "stdio.h" | |
12 | #include "cuboot.h" | |
13 | ||
14 | #define TARGET_85xx | |
15 | #define TARGET_CPM2 | |
16 | #include "ppcboot.h" | |
17 | ||
18 | static bd_t bd; | |
19 | ||
20 | static void platform_fixups(void) | |
21 | { | |
22 | void *devp; | |
23 | ||
24 | dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); | |
25 | dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); | |
26 | dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); | |
27 | dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr); | |
28 | dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq); | |
29 | ||
30 | /* Unfortunately, the specific model number is encoded in the | |
31 | * soc node name in existing dts files -- once that is fixed, | |
32 | * this can do a simple path lookup. | |
33 | */ | |
34 | devp = find_node_by_devtype(NULL, "soc"); | |
35 | if (devp) { | |
36 | void *serial = NULL; | |
37 | ||
38 | setprop(devp, "bus-frequency", &bd.bi_busfreq, | |
39 | sizeof(bd.bi_busfreq)); | |
40 | ||
41 | while ((serial = find_node_by_devtype(serial, "serial"))) { | |
42 | if (get_parent(serial) != devp) | |
43 | continue; | |
44 | ||
45 | setprop(serial, "clock-frequency", &bd.bi_busfreq, | |
46 | sizeof(bd.bi_busfreq)); | |
47 | } | |
48 | } | |
49 | ||
50 | devp = find_node_by_compatible(NULL, "fsl,cpm2-brg"); | |
51 | if (devp) | |
52 | setprop(devp, "clock-frequency", &bd.bi_brgfreq, | |
53 | sizeof(bd.bi_brgfreq)); | |
54 | } | |
55 | ||
56 | void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, | |
57 | unsigned long r6, unsigned long r7) | |
58 | { | |
59 | CUBOOT_INIT(); | |
60 | fdt_init(_dtb_start); | |
61 | serial_console_init(); | |
62 | platform_ops.fixups = platform_fixups; | |
63 | } |