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51 lines
1.9 KiB
Diff
51 lines
1.9 KiB
Diff
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
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+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
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@@ -325,6 +325,8 @@ static struct cfi_fixup fixup_table[] =
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static void cfi_fixup_major_minor(struct cfi_private *cfi,
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struct cfi_pri_amdstd *extp)
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{
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+ // manufacturers defined in include/linux/mtd/cfi.h
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+
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if (cfi->mfr == CFI_MFR_SAMSUNG && cfi->id == 0x257e &&
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extp->MajorVersion == '0')
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extp->MajorVersion = '1';
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@@ -355,6 +357,9 @@ struct mtd_info *cfi_cmdset_0002(struct
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mtd->name = map->name;
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mtd->writesize = 1;
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+ printk(" CFI mfr 0x%08x\n", cfi->mfr); // TODO: Is there a more general place to print this info?
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+ printk(" CFI id 0x%08x\n", cfi->id);
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+
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if (cfi->cfi_mode==CFI_MODE_CFI){
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unsigned char bootloc;
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/*
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@@ -373,16 +378,24 @@ struct mtd_info *cfi_cmdset_0002(struct
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cfi_fixup_major_minor(cfi, extp);
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- if (extp->MajorVersion != '1' ||
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- (extp->MinorVersion < '0' || extp->MinorVersion > '4')) {
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+ // valid primary extension versions are: 1.0, 1.1, 1.2, 1.3
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+ // see: http://www.amd.com/us-en/assets/content_type/DownloadableAssets/cfi_r20.pdf, page 19 and on
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+ // http://www.amd.com/us-en/assets/content_type/DownloadableAssets/cfi_100_20011201.pdf
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+ if (extp->MajorVersion < '1' ||
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+ extp->MajorVersion > '1' ||
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+ (extp->MajorVersion == '1' && ( extp->MinorVersion < '0' || extp->MinorVersion > '3'))) {
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printk(KERN_ERR " Unknown Amd/Fujitsu Extended Query "
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- "version %c.%c.\n", extp->MajorVersion,
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- extp->MinorVersion);
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+ "version %c.%c (0x%02x/0x%02x).\n",
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+ extp->MajorVersion, extp->MinorVersion,
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+ extp->MajorVersion, extp->MinorVersion);
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kfree(extp);
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kfree(mtd);
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return NULL;
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}
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+ printk(" Amd/Fujitsu Extended Query version %c.%c.\n",
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+ extp->MajorVersion, extp->MinorVersion);
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+
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/* Install our own private info structure */
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cfi->cmdset_priv = extp;
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