Convert CONFIG_CMD_SPL_WRITE_SIZE to Kconfig

This converts the following to Kconfig:
   CONFIG_CMD_SPL_WRITE_SIZE

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff --git a/cmd/Kconfig b/cmd/Kconfig
index 4f7336a..845589d 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -295,6 +295,15 @@
 	  for full information about how to use this option (and also see
 	  board/gateworks/gw_ventana/README for an example).
 
+config CMD_SPL_WRITE_SIZE
+	hex "Size of argument area"
+	depends on CMD_SPL
+	default 0x2000
+	help
+	  This provides the size of the command-line argument area in NAND
+	  flash used by Falcon-mode boot. See the documentation until CMD_SPL
+	  for detail.
+
 endmenu
 
 menu "Environment commands"
diff --git a/configs/am43xx_evm_defconfig b/configs/am43xx_evm_defconfig
index a66d807..afac014 100644
--- a/configs/am43xx_evm_defconfig
+++ b/configs/am43xx_evm_defconfig
@@ -17,6 +17,7 @@
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_SPL=y
 CONFIG_CMD_SPL_NAND_OFS=0x00100000
+CONFIG_CMD_SPL_WRITE_SIZE=0x40000
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_NAND=y
 # CONFIG_CMD_SETEXPR is not set
diff --git a/configs/am43xx_evm_ethboot_defconfig b/configs/am43xx_evm_ethboot_defconfig
index 5679f31..687bec3 100644
--- a/configs/am43xx_evm_ethboot_defconfig
+++ b/configs/am43xx_evm_ethboot_defconfig
@@ -17,6 +17,7 @@
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_SPL=y
 CONFIG_CMD_SPL_NAND_OFS=0x00100000
+CONFIG_CMD_SPL_WRITE_SIZE=0x40000
 CONFIG_CMD_ASKENV=y
 CONFIG_CMD_EEPROM=y
 # CONFIG_CMD_FLASH is not set
diff --git a/configs/am43xx_evm_usbhost_boot_defconfig b/configs/am43xx_evm_usbhost_boot_defconfig
index 549ec0a..0717d69 100644
--- a/configs/am43xx_evm_usbhost_boot_defconfig
+++ b/configs/am43xx_evm_usbhost_boot_defconfig
@@ -21,6 +21,7 @@
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_SPL=y
 CONFIG_CMD_SPL_NAND_OFS=0x00100000
+CONFIG_CMD_SPL_WRITE_SIZE=0x40000
 CONFIG_CMD_ASKENV=y
 CONFIG_CMD_EEPROM=y
 # CONFIG_CMD_FLASH is not set
diff --git a/configs/devkit8000_defconfig b/configs/devkit8000_defconfig
index 875c888..f0d6018 100644
--- a/configs/devkit8000_defconfig
+++ b/configs/devkit8000_defconfig
@@ -12,6 +12,7 @@
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_SPL=y
 CONFIG_CMD_SPL_NAND_OFS=0x680000
+CONFIG_CMD_SPL_WRITE_SIZE=0x400
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_MMC=y
 CONFIG_CMD_NAND=y
diff --git a/configs/gwventana_emmc_defconfig b/configs/gwventana_emmc_defconfig
index 3318fae..944c012 100644
--- a/configs/gwventana_emmc_defconfig
+++ b/configs/gwventana_emmc_defconfig
@@ -33,6 +33,7 @@
 CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_SPL_NAND_OFS=0x1100000
+CONFIG_CMD_SPL_WRITE_SIZE=0x20000
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_MMC=y
 CONFIG_CMD_I2C=y
diff --git a/configs/gwventana_gw5904_defconfig b/configs/gwventana_gw5904_defconfig
index 7830d90..5b2672c 100644
--- a/configs/gwventana_gw5904_defconfig
+++ b/configs/gwventana_gw5904_defconfig
@@ -33,6 +33,7 @@
 CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_SPL_NAND_OFS=0x1100000
+CONFIG_CMD_SPL_WRITE_SIZE=0x20000
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_MMC=y
 CONFIG_CMD_I2C=y
diff --git a/configs/gwventana_nand_defconfig b/configs/gwventana_nand_defconfig
index 3b0f42d..ecbe4e6 100644
--- a/configs/gwventana_nand_defconfig
+++ b/configs/gwventana_nand_defconfig
@@ -34,6 +34,7 @@
 CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_SPL_NAND_OFS=0x1100000
+CONFIG_CMD_SPL_WRITE_SIZE=0x20000
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_MMC=y
 CONFIG_CMD_NAND=y
diff --git a/configs/ipam390_defconfig b/configs/ipam390_defconfig
index 702b311..80d9f47 100644
--- a/configs/ipam390_defconfig
+++ b/configs/ipam390_defconfig
@@ -19,6 +19,7 @@
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_SPL=y
 CONFIG_CMD_SPL_NAND_OFS=0x00180000
+CONFIG_CMD_SPL_WRITE_SIZE=0x400
 CONFIG_CMD_ASKENV=y
 CONFIG_CRC32_VERIFY=y
 # CONFIG_CMD_FLASH is not set
diff --git a/configs/mx6sabresd_defconfig b/configs/mx6sabresd_defconfig
index 02e1d6a..a5e63aa 100644
--- a/configs/mx6sabresd_defconfig
+++ b/configs/mx6sabresd_defconfig
@@ -23,6 +23,7 @@
 CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_SPL=y
+CONFIG_CMD_SPL_WRITE_SIZE=0x20000
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_MMC=y
 CONFIG_CMD_PART=y
diff --git a/configs/twister_defconfig b/configs/twister_defconfig
index 1308060..29c183a 100644
--- a/configs/twister_defconfig
+++ b/configs/twister_defconfig
@@ -13,6 +13,7 @@
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_SPL=y
 CONFIG_CMD_SPL_NAND_OFS=0x00800000
+CONFIG_CMD_SPL_WRITE_SIZE=0x400
 CONFIG_CMD_EEPROM=y
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_MMC=y
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index e11527f..9c419de 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -239,7 +239,6 @@
 #endif
 #ifdef CONFIG_SPL_OS_BOOT
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x00200000 /* kernel offset */
-#define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
 #endif
 #endif /* !CONFIG_NAND */
 
diff --git a/include/configs/am43xx_evm.h b/include/configs/am43xx_evm.h
index 7a811a0..17fc286 100644
--- a/include/configs/am43xx_evm.h
+++ b/include/configs/am43xx_evm.h
@@ -308,7 +308,6 @@
 /* NAND: SPL falcon mode configs */
 #ifdef CONFIG_SPL_OS_BOOT
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x00300000 /* kernel offset */
-#define CONFIG_CMD_SPL_WRITE_SIZE	CONFIG_SYS_NAND_BLOCK_SIZE
 #endif
 #define NANDARGS \
 	"mtdids=" MTDIDS_DEFAULT "\0" \
diff --git a/include/configs/baltos.h b/include/configs/baltos.h
index d5413fd..dbd933f 100644
--- a/include/configs/baltos.h
+++ b/include/configs/baltos.h
@@ -46,7 +46,6 @@
 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x00080000
 #ifdef CONFIG_SPL_OS_BOOT
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00200000 /* kernel offset */
-#define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
 #endif
 #define NANDARGS \
 	"mtdids=" MTDIDS_DEFAULT "\0" \
diff --git a/include/configs/bav335x.h b/include/configs/bav335x.h
index 8acc771..59530be 100644
--- a/include/configs/bav335x.h
+++ b/include/configs/bav335x.h
@@ -396,7 +396,6 @@
 #endif
 #ifdef CONFIG_SPL_OS_BOOT
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x00200000 /* kernel offset */
-#define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
 #endif
 #endif /* !CONFIG_NAND */
 
diff --git a/include/configs/brppt1.h b/include/configs/brppt1.h
index 3dbbf67..f965fc9 100644
--- a/include/configs/brppt1.h
+++ b/include/configs/brppt1.h
@@ -67,7 +67,6 @@
 /* NAND */
 #ifdef CONFIG_NAND
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS		0x140000
-#define CONFIG_CMD_SPL_WRITE_SIZE		0x2000
 #endif /* CONFIG_NAND */
 #endif /* CONFIG_SPL_OS_BOOT */
 
diff --git a/include/configs/cm_t335.h b/include/configs/cm_t335.h
index 1874cd3..0da8774 100644
--- a/include/configs/cm_t335.h
+++ b/include/configs/cm_t335.h
@@ -138,7 +138,6 @@
 #define CONFIG_SYS_NAND_ONFI_DETECTION
 #ifdef CONFIG_SPL_OS_BOOT
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x500000
-#define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
 #endif
 
 /* GPIO pin + bank to pin ID mapping */
diff --git a/include/configs/devkit8000.h b/include/configs/devkit8000.h
index 30c165c..314c393a 100644
--- a/include/configs/devkit8000.h
+++ b/include/configs/devkit8000.h
@@ -209,7 +209,6 @@
 #define CONFIG_SYS_NAND_U_BOOT_SIZE	0x200000
 
 /* SPL OS boot options */
-#define CONFIG_CMD_SPL_WRITE_SIZE       0x400 /* 1024 byte */
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000
 
 #undef CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR
diff --git a/include/configs/dra7xx_evm.h b/include/configs/dra7xx_evm.h
index 9316a12..e124bda 100644
--- a/include/configs/dra7xx_evm.h
+++ b/include/configs/dra7xx_evm.h
@@ -210,7 +210,6 @@
 /* NAND: SPL falcon mode configs */
 #ifdef CONFIG_SPL_OS_BOOT
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x00200000 /* kernel offset */
-#define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
 #endif
 #endif /* !CONFIG_NAND */
 
diff --git a/include/configs/gw_ventana.h b/include/configs/gw_ventana.h
index d389058..aeacd46 100644
--- a/include/configs/gw_ventana.h
+++ b/include/configs/gw_ventana.h
@@ -13,7 +13,6 @@
 
 /* Falcon Mode */
 #define CONFIG_SYS_SPL_ARGS_ADDR	0x18000000
-#define CONFIG_CMD_SPL_WRITE_SIZE	(128 * SZ_1K)
 
 /* Falcon Mode - NAND support: args@17MB kernel@18MB */
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	(18 * SZ_1M)
diff --git a/include/configs/ipam390.h b/include/configs/ipam390.h
index 6adbb8e..be91dc2 100644
--- a/include/configs/ipam390.h
+++ b/include/configs/ipam390.h
@@ -276,7 +276,6 @@
 /* add FALCON boot mode */
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x00200000
 #define CONFIG_SYS_SPL_ARGS_ADDR	LINUX_BOOT_PARAM_ADDR
-#define CONFIG_CMD_SPL_WRITE_SIZE	0x400
 
 /* GPIO support */
 #define CONFIG_DA8XX_GPIO
diff --git a/include/configs/mx6sabreauto.h b/include/configs/mx6sabreauto.h
index daebf5c..03ab812 100644
--- a/include/configs/mx6sabreauto.h
+++ b/include/configs/mx6sabreauto.h
@@ -35,7 +35,6 @@
 #define CONFIG_SPL_FS_LOAD_ARGS_NAME	"args"
 #define CONFIG_SPL_FS_LOAD_KERNEL_NAME	"uImage"
 #define CONFIG_SYS_SPL_ARGS_ADDR       0x18000000
-#define CONFIG_CMD_SPL_WRITE_SIZE      (128 * SZ_1K)
 
 /* Falcon Mode - MMC support: args@1MB kernel@2MB */
 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR  0x800   /* 1MB */
diff --git a/include/configs/mx6sabresd.h b/include/configs/mx6sabresd.h
index 9622394..5410881 100644
--- a/include/configs/mx6sabresd.h
+++ b/include/configs/mx6sabresd.h
@@ -25,7 +25,6 @@
 #define CONFIG_SPL_FS_LOAD_ARGS_NAME	"args"
 #define CONFIG_SPL_FS_LOAD_KERNEL_NAME	"uImage"
 #define CONFIG_SYS_SPL_ARGS_ADDR       0x18000000
-#define CONFIG_CMD_SPL_WRITE_SIZE      (128 * SZ_1K)
 
 /* Falcon Mode - MMC support: args@1MB kernel@2MB */
 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR  0x800   /* 1MB */
diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
index c683901..fe83e71 100644
--- a/include/configs/omap3_beagle.h
+++ b/include/configs/omap3_beagle.h
@@ -277,7 +277,6 @@
 /* NAND: SPL falcon mode configs */
 #ifdef CONFIG_SPL_OS_BOOT
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x280000
-#define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
 #endif
 
 #endif /* __CONFIG_H */
diff --git a/include/configs/omap3_cairo.h b/include/configs/omap3_cairo.h
index 5f9f815..162fe0f 100644
--- a/include/configs/omap3_cairo.h
+++ b/include/configs/omap3_cairo.h
@@ -201,7 +201,6 @@
 /* NAND: SPL falcon mode configs */
 #ifdef CONFIG_SPL_OS_BOOT
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x280000
-#define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
 #endif
 
 /* env defaults */
diff --git a/include/configs/omap3_logic.h b/include/configs/omap3_logic.h
index 795538b..5490fc9 100644
--- a/include/configs/omap3_logic.h
+++ b/include/configs/omap3_logic.h
@@ -264,7 +264,6 @@
 /* NAND: SPL falcon mode configs */
 #ifdef CONFIG_SPL_OS_BOOT
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x280000
-#define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
 #endif
 
 #endif /* __CONFIG_H */
diff --git a/include/configs/omap3_overo.h b/include/configs/omap3_overo.h
index bfcf790..473ffc0 100644
--- a/include/configs/omap3_overo.h
+++ b/include/configs/omap3_overo.h
@@ -218,7 +218,6 @@
 /* NAND: SPL falcon mode configs */
 #ifdef CONFIG_SPL_OS_BOOT
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x280000
-#define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
 #endif
 
 #endif				/* __CONFIG_H */
diff --git a/include/configs/omap3_zoom1.h b/include/configs/omap3_zoom1.h
index d3c72f3..5694cb7 100644
--- a/include/configs/omap3_zoom1.h
+++ b/include/configs/omap3_zoom1.h
@@ -58,7 +58,6 @@
 /* NAND: SPL falcon mode configs */
 #ifdef CONFIG_SPL_OS_BOOT
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x280000
-#define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
 #endif
 #endif
 
diff --git a/include/configs/pengwyn.h b/include/configs/pengwyn.h
index 1c61167..f1b8198 100644
--- a/include/configs/pengwyn.h
+++ b/include/configs/pengwyn.h
@@ -164,7 +164,6 @@
 /* NAND: SPL falcon mode configs */
 #ifdef CONFIG_SPL_OS_BOOT
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x280000
-#define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
 #endif
 
 /*
diff --git a/include/configs/twister.h b/include/configs/twister.h
index 80d480b..bec402e 100644
--- a/include/configs/twister.h
+++ b/include/configs/twister.h
@@ -36,7 +36,6 @@
 	"bootcmd=run nandboot\0"
 
 /* SPL OS boot options */
-#define CONFIG_CMD_SPL_WRITE_SIZE	0x400 /* 1024 byte */
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x00200000
 
 #define CONFIG_SYS_SPL_ARGS_ADDR	(PHYS_SDRAM_1 + 0x100)
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index e570f0f..2b80164 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -293,7 +293,6 @@
 CONFIG_CMDLINE_EDITING
 CONFIG_CMDLINE_PS_SUPPORT
 CONFIG_CMDLINE_TAG
-CONFIG_CMD_SPL_WRITE_SIZE
 CONFIG_CMD_STRINGS
 CONFIG_CMD_SX151X
 CONFIG_CMD_TCA642X