[U-Boot] [U-Boot PATCH v2 05/12] NAND: DaVinci: allow forced disable of subpage writes
Murali Karicheri
m-karicheri2 at ti.com
Thu Feb 20 18:55:07 CET 2014
This patch introduces a configurable mechanism to disable
subpage writes in the DaVinci NAND driver.
Signed-off-by: Vitaly Andrianov <vitalya at ti.com>
Signed-off-by: Murali Karicheri <m-karicheri2 at ti.com>
---
- Added README
README | 5 +++++
drivers/mtd/nand/davinci_nand.c | 3 +++
2 files changed, 8 insertions(+)
diff --git a/README b/README
index aea82be..caf60a2 100644
--- a/README
+++ b/README
@@ -4427,6 +4427,11 @@ Low Level (hardware related) configuration options:
- CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC:
Enables the RTC32K OSC on AM33xx based plattforms
+- CONFIG_SYS_NAND_NO_SUBPAGE_WRITE
+ Option to disable subpage write in NAND driver
+ Example driver that use this:
+ drivers/mtd/nand/davinci_nand.c
+
Freescale QE/FMAN Firmware Support:
-----------------------------------
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index 5b17d7b..75b03a7 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -609,6 +609,9 @@ void davinci_nand_init(struct nand_chip *nand)
#ifdef CONFIG_SYS_NAND_USE_FLASH_BBT
nand->bbt_options |= NAND_BBT_USE_FLASH;
#endif
+#ifdef CONFIG_SYS_NAND_NO_SUBPAGE_WRITE
+ nand->options |= NAND_NO_SUBPAGE_WRITE;
+#endif
#ifdef CONFIG_SYS_NAND_HW_ECC
nand->ecc.mode = NAND_ECC_HW;
nand->ecc.size = 512;
--
1.7.9.5
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