1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Embedded Planet EP8248E 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 "pq2.h"
14
15 static char *table;
16 static u64 mem_size;
17
18 #include <io.h>
19
platform_fixups(void)20 static void platform_fixups(void)
21 {
22 u64 val;
23
24 dt_fixup_memory(0, mem_size);
25 planetcore_set_mac_addrs(table);
26
27 if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, &val)) {
28 printf("No PlanetCore crystal frequency key.\r\n");
29 return;
30 }
31
32 pq2_fixup_clocks(val);
33 }
34
platform_init(unsigned long r3,unsigned long r4,unsigned long r5,unsigned long r6,unsigned long r7)35 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
36 unsigned long r6, unsigned long r7)
37 {
38 table = (char *)r3;
39 planetcore_prepare_table(table);
40
41 if (!planetcore_get_decimal(table, PLANETCORE_KEY_MB_RAM, &mem_size))
42 return;
43
44 mem_size *= 1024 * 1024;
45 simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64);
46
47 fdt_init(_dtb_start);
48
49 planetcore_set_stdout_path(table);
50 serial_console_init();
51 platform_ops.fixups = platform_fixups;
52 }
53