~ubuntu-branches/ubuntu/precise/linux-lowlatency/precise

« back to all changes in this revision

Viewing changes to arch/powerpc/boot/cuboot-85xx-cpm2.c

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
ImportĀ upstreamĀ versionĀ 3.2.0

Show diffs side-by-side

added added

removed removed

Lines of Context:
 
1
/*
 
2
 * Old U-boot compatibility for 85xx
 
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 "cuboot.h"
 
16
 
 
17
#define TARGET_85xx
 
18
#define TARGET_CPM2
 
19
#include "ppcboot.h"
 
20
 
 
21
static bd_t bd;
 
22
 
 
23
static void platform_fixups(void)
 
24
{
 
25
        void *devp;
 
26
 
 
27
        dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
 
28
        dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
 
29
        dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
 
30
        dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr);
 
31
        dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq);
 
32
 
 
33
        /* Unfortunately, the specific model number is encoded in the
 
34
         * soc node name in existing dts files -- once that is fixed,
 
35
         * this can do a simple path lookup.
 
36
         */
 
37
        devp = find_node_by_devtype(NULL, "soc");
 
38
        if (devp) {
 
39
                void *serial = NULL;
 
40
 
 
41
                setprop(devp, "bus-frequency", &bd.bi_busfreq,
 
42
                        sizeof(bd.bi_busfreq));
 
43
 
 
44
                while ((serial = find_node_by_devtype(serial, "serial"))) {
 
45
                        if (get_parent(serial) != devp)
 
46
                                continue;
 
47
 
 
48
                        setprop(serial, "clock-frequency", &bd.bi_busfreq,
 
49
                                sizeof(bd.bi_busfreq));
 
50
                }
 
51
        }
 
52
 
 
53
        devp = find_node_by_compatible(NULL, "fsl,cpm2-brg");
 
54
        if (devp)
 
55
                setprop(devp, "clock-frequency", &bd.bi_brgfreq,
 
56
                        sizeof(bd.bi_brgfreq));
 
57
}
 
58
 
 
59
void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 
60
                   unsigned long r6, unsigned long r7)
 
61
{
 
62
        CUBOOT_INIT();
 
63
        fdt_init(_dtb_start);
 
64
        serial_console_init();
 
65
        platform_ops.fixups = platform_fixups;
 
66
}