mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-27 08:22:25 +02:00
51 lines
1.5 KiB
Diff
51 lines
1.5 KiB
Diff
|
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,
|