1 /*
2 * Embedded Planet EP8248E with PlanetCore firmware
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 "planetcore.h"
16 #include "pq2.h"
17
18 static char *table;
19 static u64 mem_size;
20
21 #include <io.h>
22
platform_fixups(void)23 static void platform_fixups(void)
24 {
25 u64 val;
26
27 dt_fixup_memory(0, mem_size);
28 planetcore_set_mac_addrs(table);
29
30 if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, &val)) {
31 printf("No PlanetCore crystal frequency key.\r\n");
32 return;
33 }
34
35 pq2_fixup_clocks(val);
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 table = (char *)r3;
42 planetcore_prepare_table(table);
43
44 if (!planetcore_get_decimal(table, PLANETCORE_KEY_MB_RAM, &mem_size))
45 return;
46
47 mem_size *= 1024 * 1024;
48 simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64);
49
50 fdt_init(_dtb_start);
51
52 planetcore_set_stdout_path(table);
53 serial_console_init();
54 platform_ops.fixups = platform_fixups;
55 }
56