diff options
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.patch | 50 |
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, |