Convert CONFIG_SYS_NAND_HW_ECC to Kconfig

This converts the following to Kconfig:
   CONFIG_SYS_NAND_HW_ECC

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

12 files changed, 16 insertions, 15 deletions

diff --git a/configs/da850evm_nand_defconfig b/configs/da850evm_nand_defconfig
index 84563b2a3c..a7aaf46ea5 100644
--- a/configs/da850evm_nand_defconfig
+++ b/configs/da850evm_nand_defconfig
@@ -86,7 +86,6 @@ CONFIG_DM_MTD=y
 CONFIG_MTD_RAW_NAND=y
 CONFIG_SYS_NAND_USE_FLASH_BBT=y
 CONFIG_NAND_DAVINCI=y
-CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST=y
 CONFIG_SYS_NAND_HW_ECC_OOBFIRST=y
 CONFIG_SYS_NAND_BLOCK_SIZE=0x20000
 CONFIG_SYS_NAND_PAGE_COUNT=0x40
diff --git a/configs/k2e_evm_defconfig b/configs/k2e_evm_defconfig
index 9bf2e862b0..977348e73f 100644
--- a/configs/k2e_evm_defconfig
+++ b/configs/k2e_evm_defconfig
@@ -79,7 +79,6 @@ CONFIG_MTD=y
 CONFIG_MTD_RAW_NAND=y
 CONFIG_SYS_NAND_USE_FLASH_BBT=y
 CONFIG_NAND_DAVINCI=y
-CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SF_DEFAULT_SPEED=30000000
 CONFIG_SPI_FLASH_STMICRO=y
diff --git a/configs/k2e_hs_evm_defconfig b/configs/k2e_hs_evm_defconfig
index afa4dc1b41..afba285ffb 100644
--- a/configs/k2e_hs_evm_defconfig
+++ b/configs/k2e_hs_evm_defconfig
@@ -54,7 +54,6 @@ CONFIG_MTD=y
 CONFIG_MTD_RAW_NAND=y
 CONFIG_SYS_NAND_USE_FLASH_BBT=y
 CONFIG_NAND_DAVINCI=y
-CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SF_DEFAULT_SPEED=30000000
 CONFIG_SPI_FLASH_STMICRO=y
diff --git a/configs/k2hk_evm_defconfig b/configs/k2hk_evm_defconfig
index cbf948f578..6c4563912b 100644
--- a/configs/k2hk_evm_defconfig
+++ b/configs/k2hk_evm_defconfig
@@ -79,7 +79,6 @@ CONFIG_MTD=y
 CONFIG_MTD_RAW_NAND=y
 CONFIG_SYS_NAND_USE_FLASH_BBT=y
 CONFIG_NAND_DAVINCI=y
-CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SF_DEFAULT_SPEED=30000000
 CONFIG_SPI_FLASH_STMICRO=y
diff --git a/configs/k2hk_hs_evm_defconfig b/configs/k2hk_hs_evm_defconfig
index 2480547a51..33624badae 100644
--- a/configs/k2hk_hs_evm_defconfig
+++ b/configs/k2hk_hs_evm_defconfig
@@ -54,7 +54,6 @@ CONFIG_MTD=y
 CONFIG_MTD_RAW_NAND=y
 CONFIG_SYS_NAND_USE_FLASH_BBT=y
 CONFIG_NAND_DAVINCI=y
-CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SF_DEFAULT_SPEED=30000000
 CONFIG_SPI_FLASH_STMICRO=y
diff --git a/configs/k2l_evm_defconfig b/configs/k2l_evm_defconfig
index f4c8c5e233..e28054bcc7 100644
--- a/configs/k2l_evm_defconfig
+++ b/configs/k2l_evm_defconfig
@@ -79,7 +79,6 @@ CONFIG_MTD=y
 CONFIG_MTD_RAW_NAND=y
 CONFIG_SYS_NAND_USE_FLASH_BBT=y
 CONFIG_NAND_DAVINCI=y
-CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SF_DEFAULT_SPEED=30000000
 CONFIG_SPI_FLASH_STMICRO=y
diff --git a/configs/k2l_hs_evm_defconfig b/configs/k2l_hs_evm_defconfig
index 051cd23481..8f8bb54913 100644
--- a/configs/k2l_hs_evm_defconfig
+++ b/configs/k2l_hs_evm_defconfig
@@ -57,7 +57,6 @@ CONFIG_MTD=y
 CONFIG_MTD_RAW_NAND=y
 CONFIG_SYS_NAND_USE_FLASH_BBT=y
 CONFIG_NAND_DAVINCI=y
-CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SF_DEFAULT_SPEED=30000000
 CONFIG_SPI_FLASH_STMICRO=y
diff --git a/configs/omapl138_lcdk_defconfig b/configs/omapl138_lcdk_defconfig
index a067c01779..ff3b5f0857 100644
--- a/configs/omapl138_lcdk_defconfig
+++ b/configs/omapl138_lcdk_defconfig
@@ -83,7 +83,6 @@ CONFIG_DM_MTD=y
 CONFIG_MTD_RAW_NAND=y
 CONFIG_SYS_NAND_USE_FLASH_BBT=y
 CONFIG_NAND_DAVINCI=y
-CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST=y
 CONFIG_SYS_NAND_HW_ECC_OOBFIRST=y
 CONFIG_SYS_NAND_BLOCK_SIZE=0x20000
 CONFIG_SYS_NAND_PAGE_COUNT=0x40
diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
index 49b7a4b04b..0e428418b2 100644
--- a/drivers/mtd/nand/raw/Kconfig
+++ b/drivers/mtd/nand/raw/Kconfig
@@ -148,9 +148,21 @@ config NAND_DAVINCI
 	  Enable this driver for NAND flash controllers available in TI Davinci
 	  and Keystone2 platforms
 
+choice
+	prompt "Type of ECC used on NAND"
+	default SYS_NAND_4BIT_HW_ECC_OOBFIRST
+	depends on NAND_DAVINCI
+
+config SYS_NAND_HW_ECC
+	bool "Use 1-bit HW ECC"
+
 config SYS_NAND_4BIT_HW_ECC_OOBFIRST
 	bool "Use 4-bit HW ECC with OOB at the front"
-	depends on NAND_DAVINCI
+
+config SYS_NAND_SOFT_ECC
+	bool "Use software ECC"
+
+endchoice
 
 config KEYSTONE_RBL_NAND
 	depends on ARCH_KEYSTONE
diff --git a/drivers/mtd/nand/raw/davinci_nand.c b/drivers/mtd/nand/raw/davinci_nand.c
index 9158d94de2..54aed13638 100644
--- a/drivers/mtd/nand/raw/davinci_nand.c
+++ b/drivers/mtd/nand/raw/davinci_nand.c
@@ -766,10 +766,7 @@ static void davinci_nand_init(struct nand_chip *nand)
 	nand->ecc.calculate = nand_davinci_calculate_ecc;
 	nand->ecc.correct  = nand_davinci_correct_data;
 	nand->ecc.hwctl  = nand_davinci_enable_hwecc;
-#else
-	nand->ecc.mode = NAND_ECC_SOFT;
-#endif /* CONFIG_SYS_NAND_HW_ECC */
-#ifdef CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST
+#elif defined(CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST)
 	nand->ecc.mode = NAND_ECC_HW_OOB_FIRST;
 	nand->ecc.size = 512;
 	nand->ecc.bytes = 10;
@@ -778,6 +775,8 @@ static void davinci_nand_init(struct nand_chip *nand)
 	nand->ecc.correct = nand_davinci_4bit_correct_data;
 	nand->ecc.hwctl = nand_davinci_4bit_enable_hwecc;
 	nand->ecc.layout = &nand_davinci_4bit_layout_oobfirst;
+#elif defined(CONFIG_SYS_NAND_SOFT_ECC)
+	nand->ecc.mode = NAND_ECC_SOFT;
 #endif
 	/* Set address of hardware control function */
 	nand->cmd_ctrl = nand_davinci_hwcontrol;
diff --git a/include/configs/da850evm.h b/include/configs/da850evm.h
index abf5db934c..11f104bcb8 100644
--- a/include/configs/da850evm.h
+++ b/include/configs/da850evm.h
@@ -112,7 +112,6 @@
 #define CONFIG_SYS_NAND_BASE		DAVINCI_ASYNC_EMIF_DATA_CE3_BASE
 #define CONFIG_SYS_NAND_MASK_CLE		0x10
 #define CONFIG_SYS_NAND_MASK_ALE		0x8
-#undef CONFIG_SYS_NAND_HW_ECC
 #define CONFIG_SYS_NAND_U_BOOT_SIZE	0x40000
 #define CONFIG_SYS_NAND_U_BOOT_DST	0xc1080000
 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_NAND_U_BOOT_DST
diff --git a/include/configs/omapl138_lcdk.h b/include/configs/omapl138_lcdk.h
index 184360f7e9..233e7b4ee5 100644
--- a/include/configs/omapl138_lcdk.h
+++ b/include/configs/omapl138_lcdk.h
@@ -110,7 +110,6 @@
 #define CONFIG_SYS_NAND_BASE		DAVINCI_ASYNC_EMIF_DATA_CE3_BASE
 #define CONFIG_SYS_NAND_MASK_CLE	0x10
 #define CONFIG_SYS_NAND_MASK_ALE	0x8
-#undef CONFIG_SYS_NAND_HW_ECC
 #define CONFIG_NAND_6BYTES_OOB_FREE_10BYTES_ECC
 #define CONFIG_SYS_NAND_U_BOOT_SIZE	SZ_512K
 #define CONFIG_SYS_NAND_U_BOOT_DST	0xc1080000