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 #include <net.h>
20
21 #include <lynxkdi.h>
22
23 DECLARE_GLOBAL_DATA_PTR;
24
25 #if defined(CONFIG_MPC8260) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
lynxkdi_boot(image_header_t * hdr)26 void lynxkdi_boot (image_header_t *hdr)
27 {
28 void (*lynxkdi)(void) = (void(*)(void))image_get_ep (hdr);
29 lynxos_bootparms_t *parms = (lynxos_bootparms_t *)0x0020;
30 bd_t *kbd;
31 u32 *psz = (u32 *)(image_get_load (hdr) + 0x0204);
32
33 memset (parms, 0, sizeof(*parms));
34 kbd = gd->bd;
35 parms->clock_ref = kbd->bi_busfreq;
36 parms->dramsz = kbd->bi_memsize;
37 eth_getenv_enetaddr("ethaddr", parms->ethaddr);
38 mtspr (SPRN_SPRG2, 0x0020);
39
40 /* Do a simple check for Bluecat so we can pass the
41 * kernel command line parameters.
42 */
43 if (le32_to_cpu (*psz) == image_get_data_size (hdr)) { /* FIXME: NOT SURE HERE ! */
44 char *args;
45 char *cmdline = (char *)(image_get_load (hdr) + 0x020c);
46 int len;
47
48 printf ("Booting Bluecat KDI ...\n");
49 udelay (200*1000); /* Allow serial port to flush */
50 if ((args = getenv ("bootargs")) == NULL)
51 args = "";
52 /* Prepend the cmdline */
53 len = strlen (args);
54 if (len && (len + strlen (cmdline) + 2 < (0x0400 - 0x020c))) {
55 memmove (cmdline + strlen (args) + 1, cmdline, strlen (cmdline));
56 strcpy (cmdline, args);
57 cmdline[len] = ' ';
58 }
59 }
60 else {
61 printf ("Booting LynxOS KDI ...\n");
62 }
63
64 lynxkdi ();
65 }
66 #else
67 #error "Lynx KDI support not implemented for configured CPU"
68 #endif
69