openwrtv3/target/linux/adm5120-2.6/patches/101-mtd-mxflash.patch
2007-04-02 09:34:39 +00:00

31 lines
1.1 KiB
Diff
Executable file

--- linux-2.6.19.2/drivers/mtd/chips/Kconfig.old 2007-01-11 03:10:36.000000000 +0800
+++ linux-2.6.19.2/drivers/mtd/chips/Kconfig 2007-03-29 14:43:32.000000000 +0800
@@ -199,6 +199,14 @@
provides support for one of those command sets, used on chips
including the AMD Am29LV320.
+config MTD_CFI_AMDSTD_FORCE_BOTTOM_BOOT
+ bool "Force bottom boot for Macronix flash chips"
+ depends on MTD_CFI_AMDSTD
+ help
+ Some Macronix flash chips have wrong CFI info, and the driver may
+ detect the type incorrectly. Select this if the chip part number
+ ends with BTC.
+
config MTD_CFI_STAA
tristate "Support for ST (Advanced Architecture) flash chips"
depends on MTD_GEN_PROBE
--- linux-2.6.19.2/drivers/mtd/chips/cfi_cmdset_0002.c.old 2007-03-22 16:14:56.000000000 +0800
+++ linux-2.6.19.2/drivers/mtd/chips/cfi_cmdset_0002.c 2007-03-29 14:07:28.000000000 +0800
@@ -320,6 +320,11 @@
cfi_tell_features(extp);
#endif
+#ifdef CONFIG_MTD_CFI_AMDSTD_FORCE_BOTTOM_BOOT
+ extp->TopBottom = 2;
+ bootloc = extp->TopBottom;
+#endif
+
bootloc = extp->TopBottom;
if ((bootloc != 2) && (bootloc != 3)) {
printk(KERN_WARNING "%s: CFI does not contain boot "