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
platform_fixups(void)18 static void platform_fixups(void)
19 {
20 u64 val;
21
22 dt_fixup_memory(0, mem_size);
23 planetcore_set_mac_addrs(table);
24
25 if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, &val)) {
26 printf("No PlanetCore crystal frequency key.\r\n");
27 return;
28 }
29
30 mpc885_fixup_clocks(val);
31 }
32
platform_init(unsigned long r3,unsigned long r4,unsigned long r5,unsigned long r6,unsigned long r7)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, &mem_size))
40 return;
41
42 mem_size *= 1024 * 1024;
43 simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64);
44
45 fdt_init(_dtb_start);
46
47 planetcore_set_stdout_path(table);
48
49 serial_console_init();
50 platform_ops.fixups = platform_fixups;
51 }
52