blob: 22ad384ef66c29b73f57bb788f0d8338e834eae6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/*
* Copyright (c) Orbacom Systems, Inc <www.orbacom.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms are freely
* permitted provided that the above copyright notice and this
* paragraph and the following disclaimer are duplicated in all
* such forms.
*
* This software is provided "AS IS" and without any express or
* implied warranties, including, without limitation, the implied
* warranties of merchantability and fitness for a particular
* purpose.
*/
#include <common.h>
#include <asm/processor.h>
#include <image.h>
#include <net.h>
#include <lynxkdi.h>
DECLARE_GLOBAL_DATA_PTR;
#if defined(CONFIG_MPC8260) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
void lynxkdi_boot(image_header_t *hdr)
{
void (*lynxkdi)(void) = (void(*)(void))image_get_ep(hdr);
lynxos_bootparms_t *parms = (lynxos_bootparms_t *)0x0020;
bd_t *kbd;
u32 *psz = (u32 *)(image_get_load(hdr) + 0x0204);
memset(parms, 0, sizeof(*parms));
kbd = gd->bd;
parms->clock_ref = kbd->bi_busfreq;
parms->dramsz = kbd->bi_memsize;
eth_getenv_enetaddr("ethaddr", parms->ethaddr);
mtspr(SPRN_SPRG2, 0x0020);
/* Do a simple check for Bluecat so we can pass the
* kernel command line parameters.
*/
/* FIXME: NOT SURE HERE ! */
if (le32_to_cpu(*psz) == image_get_data_size(hdr)) {
char *args;
char *cmdline = (char *)(image_get_load(hdr) + 0x020c);
int len;
printf("Booting Bluecat KDI ...\n");
udelay(200*1000); /* Allow serial port to flush */
if ((args = getenv("bootargs")) == NULL)
args = "";
/* Prepend the cmdline */
len = strlen(args);
if (len && (len + strlen(cmdline) + 2 < (0x0400 - 0x020c))) {
memmove(cmdline + strlen(args) + 1, cmdline,
strlen(cmdline));
strcpy(cmdline, args);
cmdline[len] = ' ';
}
}
else {
printf("Booting LynxOS KDI ...\n");
}
lynxkdi();
}
#else
#error "Lynx KDI support not implemented for configured CPU"
#endif
|
