blob: 14aa175b189e8953d9629ae3773d9471e94dfe4c [file] [log] [blame]
wdenk1f4bb372003-07-27 00:21:01 +00001/*
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#if defined(CONFIG_LYNXKDI)
21#include <lynxkdi.h>
22
23#if defined(CONFIG_MPC8260)
24void lynxkdi_boot ( image_header_t *hdr )
25{
26 void (*lynxkdi)(void) = (void(*)(void))hdr->ih_ep;
27 lynxos_bootparms_t *parms = (lynxos_bootparms_t *)0x0020;
28 bd_t *kbd;
29 DECLARE_GLOBAL_DATA_PTR;
30 u32 *psz = (u32 *)(hdr->ih_load + 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) == hdr->ih_size ){
43 char *args;
44 char *cmdline = (char *)(hdr->ih_load + 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
68
69#endif /* CONFIG_LYNXKDI */