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authorblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-10-05 10:12:53 +0000
committerblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-10-05 10:12:53 +0000
commit5c105d9f3fd086aff195d3849dcf847d6b0bd927 (patch)
tree1229a11f725bfa58aa7c57a76898553bb5f6654a /target/linux/coldfire/patches/034-Enable-the-NFC-driver-for-soft_ecc.patch
downloadopenwrt-5c105d9f3fd086aff195d3849dcf847d6b0bd927.tar.gz
openwrt-5c105d9f3fd086aff195d3849dcf847d6b0bd927.zip
branch Attitude Adjustment
git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@33625 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/coldfire/patches/034-Enable-the-NFC-driver-for-soft_ecc.patch')
-rw-r--r--target/linux/coldfire/patches/034-Enable-the-NFC-driver-for-soft_ecc.patch50
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/coldfire/patches/034-Enable-the-NFC-driver-for-soft_ecc.patch b/target/linux/coldfire/patches/034-Enable-the-NFC-driver-for-soft_ecc.patch
new file mode 100644
index 000000000..f1f1c5944
--- /dev/null
+++ b/target/linux/coldfire/patches/034-Enable-the-NFC-driver-for-soft_ecc.patch
@@ -0,0 +1,50 @@
+From 25ebef8c87221774de01d1f1de4fb615fcfc6b54 Mon Sep 17 00:00:00 2001
+From: Jason Jin <Jason.jin@freescale.com>
+Date: Thu, 4 Aug 2011 09:59:47 +0800
+Subject: [PATCH 34/52] Enable the NFC driver for soft_ecc.
+
+If enabled YAFFS2 support, soft ecc should be used for the
+nand flash driver.
+
+Signed-off-by: Jason Jin <Jason.jin@freescale.com>
+---
+ drivers/mtd/nand/Kconfig | 6 ++++++
+ drivers/mtd/nand/fsl_nfc.c | 12 +++++++++---
+ 2 files changed, 15 insertions(+), 3 deletions(-)
+
+--- a/drivers/mtd/nand/Kconfig
++++ b/drivers/mtd/nand/Kconfig
+@@ -481,6 +481,12 @@ config MTD_NAND_FSL_NFC
+ Enables support for NAND Flash chips wired onto Freescale PowerPC
+ processor localbus with User-Programmable Machine support.
+
++config MTD_NAND_FSL_NFC_SWECC
++ bool "Software ECC"
++ depends on MTD_NAND_FSL_NFC
++ help
++ Use software ECC.
++
+ config MTD_NAND_MXC
+ tristate "MXC NAND support"
+ depends on ARCH_MX2 || ARCH_MX25 || ARCH_MX3 || ARCH_MX51
+--- a/drivers/mtd/nand/fsl_nfc.c
++++ b/drivers/mtd/nand/fsl_nfc.c
+@@ -403,9 +403,15 @@ fsl_nfc_command(struct mtd_info *mtd, un
+ if (page != -1)
+ prv->page = page;
+
+- nfc_set_field(mtd, NFC_FLASH_CONFIG,
+- CONFIG_ECC_MODE_MASK,
+- CONFIG_ECC_MODE_SHIFT, ECC_45_BYTE);
++ if(hardware_ecc)
++ nfc_set_field(mtd, NFC_FLASH_CONFIG,
++ CONFIG_ECC_MODE_MASK,
++ CONFIG_ECC_MODE_SHIFT, ECC_45_BYTE);
++ else
++ /* set ECC BY_PASS */
++ nfc_set_field(mtd, NFC_FLASH_CONFIG,
++ CONFIG_ECC_MODE_MASK,
++ CONFIG_ECC_MODE_SHIFT, ECC_BYPASS);
+
+ if (!(page%0x40)) {
+ nfc_set_field(mtd, NFC_FLASH_CONFIG,