powerpc/bootwrapper: Use the child-bus #address-cells to decide which range entry...
[linux-2.6] / arch / powerpc / boot / ep88xc.c
1 /*
2  * Embedded Planet EP88xC 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 "mpc8xx.h"
17
18 static char *table;
19 static u64 mem_size;
20
21 static void platform_fixups(void)
22 {
23         u64 val;
24
25         dt_fixup_memory(0, mem_size);
26         planetcore_set_mac_addrs(table);
27
28         if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, &val)) {
29                 printf("No PlanetCore crystal frequency key.\r\n");
30                 return;
31         }
32
33         mpc885_fixup_clocks(val);
34 }
35
36 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
37                    unsigned long r6, unsigned long r7)
38 {
39         table = (char *)r3;
40         planetcore_prepare_table(table);
41
42         if (!planetcore_get_decimal(table, PLANETCORE_KEY_MB_RAM, &mem_size))
43                 return;
44
45         mem_size *= 1024 * 1024;
46         simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64);
47
48         fdt_init(_dtb_start);
49
50         planetcore_set_stdout_path(table);
51
52         serial_console_init();
53         platform_ops.fixups = platform_fixups;
54 }