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authorMichael Lauer <mickey@vanille-media.de>2007-12-28 13:10:28 +0000
committerMichael Lauer <mickey@vanille-media.de>2007-12-28 13:10:28 +0000
commitbe3e650d031916b132b4cef9d19e7844cca3440b (patch)
tree96dea5f2866a9c43bee966b9d01753467f19a9a3 /packages/u-boot/u-boot-mkimage-openmoko-native/bbt-create-optional.patch
parent518fac47b16e548ace1e23d1bc6f4a38b44670bb (diff)
rename uboot directory for more consistency
Diffstat (limited to 'packages/u-boot/u-boot-mkimage-openmoko-native/bbt-create-optional.patch')
-rw-r--r--packages/u-boot/u-boot-mkimage-openmoko-native/bbt-create-optional.patch52
1 files changed, 52 insertions, 0 deletions
diff --git a/packages/u-boot/u-boot-mkimage-openmoko-native/bbt-create-optional.patch b/packages/u-boot/u-boot-mkimage-openmoko-native/bbt-create-optional.patch
new file mode 100644
index 0000000000..d7a2a872e5
--- /dev/null
+++ b/packages/u-boot/u-boot-mkimage-openmoko-native/bbt-create-optional.patch
@@ -0,0 +1,52 @@
+This patch makes creation of the BBT optional for the s3c24x0 platform.
+It adds:
+
+- a new platform-independent NAND-wide flag NAND_DONT_CREATE_BBT
+- one user of this flag, namely s3c24x0
+
+Experimental.
+
+- Werner Almesberger <werner@openmoko.org>
+
+
+Index: u-boot/cpu/arm920t/s3c24x0/nand.c
+===================================================================
+--- u-boot.orig/cpu/arm920t/s3c24x0/nand.c 2007-02-16 23:53:29.000000000 +0100
++++ u-boot/cpu/arm920t/s3c24x0/nand.c 2007-02-16 23:53:54.000000000 +0100
+@@ -169,7 +169,7 @@
+
+ nand->eccmode = NAND_ECC_SOFT;
+ #ifdef CONFIG_S3C2410_NAND_BBT
+- nand->options = NAND_USE_FLASH_BBT;
++ nand->options = NAND_USE_FLASH_BBT | NAND_DONT_CREATE_BBT;
+ #else
+ nand->options = 0;
+ #endif
+Index: u-boot/drivers/nand/nand_bbt.c
+===================================================================
+--- u-boot.orig/drivers/nand/nand_bbt.c 2007-02-16 23:53:36.000000000 +0100
++++ u-boot/drivers/nand/nand_bbt.c 2007-02-16 23:53:54.000000000 +0100
+@@ -678,7 +678,8 @@
+ }
+ create:
+ /* Create the bad block table by scanning the device ? */
+- if (!(td->options & NAND_BBT_CREATE))
++ if (!(td->options & NAND_BBT_CREATE) ||
++ (this->options & NAND_DONT_CREATE_BBT))
+ continue;
+
+ /* Create the table in memory by scanning the chip(s) */
+Index: u-boot/include/linux/mtd/nand.h
+===================================================================
+--- u-boot.orig/include/linux/mtd/nand.h 2007-02-16 23:53:08.000000000 +0100
++++ u-boot/include/linux/mtd/nand.h 2007-02-16 23:53:54.000000000 +0100
+@@ -187,7 +187,8 @@
+ * This can only work if we have the ecc bytes directly behind the
+ * data bytes. Applies for DOC and AG-AND Renesas HW Reed Solomon generators */
+ #define NAND_HWECC_SYNDROME 0x00020000
+-
++/* Do not create an BBT if none is found. Overrides NAND_BBT_CREATE. */
++#define NAND_DONT_CREATE_BBT 0x00040000
+
+ /* Options set by nand scan */
+ /* Nand scan has allocated oob_buf */