source: SVN/rincon/u-boot/common/lynxkdi.c @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 22 months ago

rincon: added latest u-boot source

restored form server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 1.9 KB
Line 
1/*
2 * Copyright (c) Orbacom Systems, Inc <www.orbacom.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms are freely
6 * permitted provided that the above copyright notice and this
7 * paragraph and the following disclaimer are duplicated in all
8 * such forms.
9 *
10 * This software is provided "AS IS" and without any express or
11 * implied warranties, including, without limitation, the implied
12 * warranties of merchantability and fitness for a particular
13 * purpose.
14 */
15
16#include <common.h>
17#include <asm/processor.h>
18#include <image.h>
19
20#include <lynxkdi.h>
21
22DECLARE_GLOBAL_DATA_PTR;
23
24#if defined(CONFIG_MPC8260) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
25void lynxkdi_boot (image_header_t *hdr)
26{
27        void (*lynxkdi)(void) = (void(*)(void))image_get_ep (hdr);
28        lynxos_bootparms_t *parms = (lynxos_bootparms_t *)0x0020;
29        bd_t *kbd;
30        u32 *psz = (u32 *)(image_get_load (hdr) + 0x0204);
31
32        memset (parms, 0, sizeof(*parms));
33        kbd = gd->bd;
34        parms->clock_ref = kbd->bi_busfreq;
35        parms->dramsz = kbd->bi_memsize;
36        memcpy (parms->ethaddr, kbd->bi_enetaddr, 6);
37        mtspr (SPRN_SPRG2, 0x0020);
38
39        /* Do a simple check for Bluecat so we can pass the
40         * kernel command line parameters.
41         */
42        if (le32_to_cpu (*psz) == image_get_data_size (hdr)) {  /* FIXME: NOT SURE HERE ! */
43                char *args;
44                char *cmdline = (char *)(image_get_load (hdr) + 0x020c);
45                int len;
46
47                printf ("Booting Bluecat KDI ...\n");
48                udelay (200*1000); /* Allow serial port to flush */
49                if ((args = getenv ("bootargs")) == NULL)
50                        args = "";
51                /* Prepend the cmdline */
52                len = strlen (args);
53                if (len && (len + strlen (cmdline) + 2 < (0x0400 - 0x020c))) {
54                        memmove (cmdline + strlen (args) + 1, cmdline, strlen (cmdline));
55                        strcpy (cmdline, args);
56                        cmdline[len] = ' ';
57                }
58        }
59        else {
60                printf ("Booting LynxOS KDI ...\n");
61        }
62
63        lynxkdi ();
64}
65#else
66#error "Lynx KDI support not implemented for configured CPU"
67#endif
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