diff options
Diffstat (limited to 'arch/arm26/boot/compressed/hw-bse.c')
-rw-r--r-- | arch/arm26/boot/compressed/hw-bse.c | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/arch/arm26/boot/compressed/hw-bse.c b/arch/arm26/boot/compressed/hw-bse.c deleted file mode 100644 index 3e8f07f8e08a..000000000000 --- a/arch/arm26/boot/compressed/hw-bse.c +++ /dev/null | |||
@@ -1,74 +0,0 @@ | |||
1 | /* | ||
2 | * Bright Star Engineering Inc. | ||
3 | * | ||
4 | * code for readng parameters from the | ||
5 | * parameter blocks of the boot block | ||
6 | * flash memory | ||
7 | * | ||
8 | */ | ||
9 | |||
10 | static int strcmp(const char *s1, const char *s2) | ||
11 | { | ||
12 | while (*s1 != '\0' && *s1 == *s2) | ||
13 | { | ||
14 | s1++; | ||
15 | s2++; | ||
16 | } | ||
17 | |||
18 | return (*(unsigned char *) s1) - (*(unsigned char *) s2); | ||
19 | } | ||
20 | |||
21 | struct pblk_t { | ||
22 | char type; | ||
23 | unsigned short size; | ||
24 | }; | ||
25 | |||
26 | static char *bse_getflashparam(char *name) { | ||
27 | unsigned int esize; | ||
28 | char *q,*r; | ||
29 | unsigned char *p,*e; | ||
30 | struct pblk_t *thepb = (struct pblk_t *) 0x00004000; | ||
31 | struct pblk_t *altpb = (struct pblk_t *) 0x00006000; | ||
32 | if (thepb->type&1) { | ||
33 | if (altpb->type&1) { | ||
34 | /* no valid param block */ | ||
35 | return (char*)0; | ||
36 | } else { | ||
37 | /* altpb is valid */ | ||
38 | struct pblk_t *tmp; | ||
39 | tmp = thepb; | ||
40 | thepb = altpb; | ||
41 | altpb = tmp; | ||
42 | } | ||
43 | } | ||
44 | p = (char*)thepb + sizeof(struct pblk_t); | ||
45 | e = p + thepb->size; | ||
46 | while (p < e) { | ||
47 | q = p; | ||
48 | esize = *p; | ||
49 | if (esize == 0xFF) break; | ||
50 | if (esize == 0) break; | ||
51 | if (esize > 127) { | ||
52 | esize = (esize&0x7F)<<8 | p[1]; | ||
53 | q++; | ||
54 | } | ||
55 | q++; | ||
56 | r=q; | ||
57 | if (*r && ((name == 0) || (!strcmp(name,r)))) { | ||
58 | while (*q++) ; | ||
59 | return q; | ||
60 | } | ||
61 | p+=esize; | ||
62 | } | ||
63 | return (char*)0; | ||
64 | } | ||
65 | |||
66 | void bse_setup(void) { | ||
67 | /* extract the linux cmdline from flash */ | ||
68 | char *name=bse_getflashparam("linuxboot"); | ||
69 | char *x = (char *)0xc0000100; | ||
70 | if (name) { | ||
71 | while (*name) *x++=*name++; | ||
72 | } | ||
73 | *x=0; | ||
74 | } | ||