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Diffstat (limited to 'target/linux/generic/patches-2.6.37/473-mtd_samsung_flash.patch')
-rw-r--r--target/linux/generic/patches-2.6.37/473-mtd_samsung_flash.patch41
1 files changed, 41 insertions, 0 deletions
diff --git a/target/linux/generic/patches-2.6.37/473-mtd_samsung_flash.patch b/target/linux/generic/patches-2.6.37/473-mtd_samsung_flash.patch
new file mode 100644
index 0000000000..9b8cc815a8
--- /dev/null
+++ b/target/linux/generic/patches-2.6.37/473-mtd_samsung_flash.patch
@@ -0,0 +1,41 @@
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -392,9 +392,35 @@ static struct cfi_fixup fixup_table[] =
+ static void cfi_fixup_major_minor(struct cfi_private *cfi,
+ struct cfi_pri_amdstd *extp)
+ {
+- if (cfi->mfr == CFI_MFR_SAMSUNG && cfi->id == 0x257e &&
+- extp->MajorVersion == '0')
+- extp->MajorVersion = '1';
++ /* Manufacturers are defined in include/linux/mtd/cfi.h */
++
++ if (cfi->mfr == CFI_MFR_SAMSUNG &&
++ extp->MajorVersion == '0') {
++ printk(" Fixed Samsung's Amd/Fujitsu Extended Query version from %c.%c",
++ extp->MajorVersion, extp->MinorVersion);
++
++ extp->MajorVersion = '1';
++ extp->MinorVersion = '0';
++
++ printk(" to %c.%c.\n",
++ extp->MajorVersion, extp->MinorVersion);
++ }
++
++ if (cfi->mfr == CFI_MFR_SAMSUNG &&
++ extp->MajorVersion == '3' && extp->MinorVersion == '3') {
++ printk(KERN_NOTICE " Newer Samsung flash detected, "
++ "should be compatible with Amd/Fujitsu.\n");
++
++ printk(" Fixed Samsung's Amd/Fujitsu Extended Query version from %c.%c",
++ extp->MajorVersion, extp->MinorVersion);
++
++ extp->MajorVersion = '1'; // set to 1.3
++ extp->MinorVersion = '3';
++
++ printk(" to %c.%c.\n",
++ extp->MajorVersion, extp->MinorVersion);
++ }
++
+ /*
+ * SST 38VF640x chips report major=0xFF / minor=0xFF.
+ */