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
|
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -372,6 +372,8 @@ static struct cfi_fixup fixup_table[] =
static void cfi_fixup_major_minor(struct cfi_private *cfi,
struct cfi_pri_amdstd *extp)
{
+ // manufacturers defined in include/linux/mtd/cfi.h
+
if (cfi->mfr == CFI_MFR_SAMSUNG && cfi->id == 0x257e &&
extp->MajorVersion == '0')
extp->MajorVersion = '1';
@@ -404,6 +406,9 @@ struct mtd_info *cfi_cmdset_0002(struct
mtd->reboot_notifier.notifier_call = cfi_amdstd_reboot;
+ printk(" CFI mfr 0x%08x\n", cfi->mfr); // TODO: Is there a more general place to print this info?
+ printk(" CFI id 0x%08x\n", cfi->id);
+
if (cfi->cfi_mode==CFI_MODE_CFI){
unsigned char bootloc;
__u16 adr = primary?cfi->cfiq->P_ADR:cfi->cfiq->A_ADR;
@@ -417,16 +422,24 @@ struct mtd_info *cfi_cmdset_0002(struct
*/
cfi_fixup_major_minor(cfi, extp);
- if (extp->MajorVersion != '1' ||
- (extp->MinorVersion < '0' || extp->MinorVersion > '4')) {
+ // valid primary extension versions are: 1.0, 1.1, 1.2, 1.3
+ // see: http://www.amd.com/us-en/assets/content_type/DownloadableAssets/cfi_r20.pdf, page 19 and on
+ // http://www.amd.com/us-en/assets/content_type/DownloadableAssets/cfi_100_20011201.pdf
+ if (extp->MajorVersion < '1' ||
+ extp->MajorVersion > '1' ||
+ (extp->MajorVersion == '1' && ( extp->MinorVersion < '0' || extp->MinorVersion > '3'))) {
printk(KERN_ERR " Unknown Amd/Fujitsu Extended Query "
- "version %c.%c.\n", extp->MajorVersion,
- extp->MinorVersion);
+ "version %c.%c (0x%02x/0x%02x).\n",
+ extp->MajorVersion, extp->MinorVersion,
+ extp->MajorVersion, extp->MinorVersion);
kfree(extp);
kfree(mtd);
return NULL;
}
+ printk(" Amd/Fujitsu Extended Query version %c.%c.\n",
+ extp->MajorVersion, extp->MinorVersion);
+
/* Install our own private info structure */
cfi->cmdset_priv = extp;
|
