summaryrefslogtreecommitdiff
path: root/target/linux/coldfire/patches/034-Enable-the-NFC-driver-for-soft_ecc.patch
diff options
context:
space:
mode:
authorkaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-05-01 07:00:17 +0000
committerkaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-05-01 07:00:17 +0000
commit7e7649baa9de9d592a76e150970e3079d7610138 (patch)
tree7e3c3b52269e3c7564c6a88d67dc4ea6219b041c /target/linux/coldfire/patches/034-Enable-the-NFC-driver-for-soft_ecc.patch
parent7877ca154f130fe0c83a5f151320c3ce902195d1 (diff)
[coldfire]: switch to 2.6.38
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31546 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 0000000000..f1f1c59447
--- /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,