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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
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2 | /* |
3 | * Old U-boot compatibility for 83xx | |
4 | * | |
5 | * Author: Scott Wood <scottwood@freescale.com> | |
6 | * | |
7 | * Copyright (c) 2007 Freescale Semiconductor, Inc. | |
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8 | */ |
9 | ||
10 | #include "ops.h" | |
11 | #include "stdio.h" | |
85aecac8 | 12 | #include "cuboot.h" |
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13 | |
14 | #define TARGET_83xx | |
15 | #include "ppcboot.h" | |
16 | ||
17 | static bd_t bd; | |
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18 | |
19 | static void platform_fixups(void) | |
20 | { | |
21 | void *soc; | |
22 | ||
23 | dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); | |
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24 | dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); |
25 | dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); | |
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26 | dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq); |
27 | ||
28 | /* Unfortunately, the specific model number is encoded in the | |
29 | * soc node name in existing dts files -- once that is fixed, | |
30 | * this can do a simple path lookup. | |
31 | */ | |
32 | soc = find_node_by_devtype(NULL, "soc"); | |
33 | if (soc) { | |
34 | void *serial = NULL; | |
35 | ||
36 | setprop(soc, "bus-frequency", &bd.bi_busfreq, | |
37 | sizeof(bd.bi_busfreq)); | |
38 | ||
39 | while ((serial = find_node_by_devtype(serial, "serial"))) { | |
40 | if (get_parent(serial) != soc) | |
41 | continue; | |
42 | ||
43 | setprop(serial, "clock-frequency", &bd.bi_busfreq, | |
44 | sizeof(bd.bi_busfreq)); | |
45 | } | |
46 | } | |
47 | } | |
48 | ||
49 | void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, | |
50 | unsigned long r6, unsigned long r7) | |
51 | { | |
85aecac8 | 52 | CUBOOT_INIT(); |
2f0dfeaa | 53 | fdt_init(_dtb_start); |
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54 | serial_console_init(); |
55 | platform_ops.fixups = platform_fixups; | |
56 | } |