treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
[sfrench/cifs-2.6.git] / arch / powerpc / boot / ep8248e.c
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
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
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 }