1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * Embedded Planet EP88xC with PlanetCore firmware |
4 | * |
5 | * Author: Scott Wood <scottwood@freescale.com> |
6 | * |
7 | * Copyright (c) 2007 Freescale Semiconductor, Inc. |
8 | */ |
9 | |
10 | #include "ops.h" |
11 | #include "stdio.h" |
12 | #include "planetcore.h" |
13 | #include "mpc8xx.h" |
14 | |
15 | static char *table; |
16 | static u64 mem_size; |
17 | |
18 | static void platform_fixups(void) |
19 | { |
20 | u64 val; |
21 | |
22 | dt_fixup_memory(start: 0, size: mem_size); |
23 | planetcore_set_mac_addrs(table); |
24 | |
25 | if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, val: &val)) { |
26 | printf(fmt: "No PlanetCore crystal frequency key.\r\n" ); |
27 | return; |
28 | } |
29 | |
30 | mpc885_fixup_clocks(crystal: val); |
31 | } |
32 | |
33 | void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, |
34 | unsigned long r6, unsigned long r7) |
35 | { |
36 | table = (char *)r3; |
37 | planetcore_prepare_table(table); |
38 | |
39 | if (!planetcore_get_decimal(table, PLANETCORE_KEY_MB_RAM, val: &mem_size)) |
40 | return; |
41 | |
42 | mem_size *= 1024 * 1024; |
43 | simple_alloc_init(base: _end, heap_size: mem_size - (unsigned long)_end, granularity: 32, max_allocs: 64); |
44 | |
45 | fdt_init(blob: _dtb_start); |
46 | |
47 | planetcore_set_stdout_path(table); |
48 | |
49 | serial_console_init(); |
50 | platform_ops.fixups = platform_fixups; |
51 | } |
52 | |