Migrate CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC

This converts CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC to Kconfig

Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
diff --git a/README b/README
index ed79298..87d79ef 100644
--- a/README
+++ b/README
@@ -3430,9 +3430,6 @@
 		If defined, the x86 reset vector code is included. This is not
 		needed when U-Boot is running from Coreboot.
 
-- 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
 		driver that uses this:
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index b9b9e0f..d15f576 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -772,6 +772,13 @@
 
 	  If your ATF is affected, say Y.
 
+config SPL_AM33XX_ENABLE_RTC32K_OSC
+	bool "Enable the RTC32K OSC on AM33xx based platforms"
+	default y if AM33XX
+	help
+	  Enable access to the AM33xx RTC and select the external 32kHz clock
+	  source.
+
 config TPL
 	bool
 	depends on SUPPORT_TPL
diff --git a/configs/am335x_shc_defconfig b/configs/am335x_shc_defconfig
index fb714da..a9fe489 100644
--- a/configs/am335x_shc_defconfig
+++ b/configs/am335x_shc_defconfig
@@ -22,6 +22,7 @@
 CONFIG_SPL_OS_BOOT=y
 CONFIG_SPL_POWER_SUPPORT=y
 CONFIG_SPL_YMODEM_SUPPORT=y
+# CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC is not set
 CONFIG_SYS_PROMPT="U-Boot# "
 CONFIG_AUTOBOOT_KEYED=y
 CONFIG_AUTOBOOT_PROMPT="Enter 'shc' to enter prompt (times out) %d \nEnter 'noautoboot' to enter prompt without timeout\n"
diff --git a/configs/am335x_shc_ict_defconfig b/configs/am335x_shc_ict_defconfig
index 2568e3d..3a81e9e 100644
--- a/configs/am335x_shc_ict_defconfig
+++ b/configs/am335x_shc_ict_defconfig
@@ -23,6 +23,7 @@
 CONFIG_SPL_OS_BOOT=y
 CONFIG_SPL_POWER_SUPPORT=y
 CONFIG_SPL_YMODEM_SUPPORT=y
+# CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC is not set
 CONFIG_SYS_PROMPT="U-Boot# "
 CONFIG_AUTOBOOT_KEYED=y
 CONFIG_AUTOBOOT_PROMPT="Enter 'shc' to enter prompt (times out) %d \nEnter 'noautoboot' to enter prompt without timeout\n"
diff --git a/configs/am335x_shc_netboot_defconfig b/configs/am335x_shc_netboot_defconfig
index 16071fb..8d2703f 100644
--- a/configs/am335x_shc_netboot_defconfig
+++ b/configs/am335x_shc_netboot_defconfig
@@ -24,6 +24,7 @@
 CONFIG_SPL_OS_BOOT=y
 CONFIG_SPL_POWER_SUPPORT=y
 CONFIG_SPL_YMODEM_SUPPORT=y
+# CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC is not set
 CONFIG_SYS_PROMPT="U-Boot# "
 CONFIG_AUTOBOOT_KEYED=y
 CONFIG_AUTOBOOT_PROMPT="Enter 'shc' to enter prompt (times out) %d \nEnter 'noautoboot' to enter prompt without timeout\n"
diff --git a/configs/am335x_shc_prompt_defconfig b/configs/am335x_shc_prompt_defconfig
index bbad6dd..b989a64 100644
--- a/configs/am335x_shc_prompt_defconfig
+++ b/configs/am335x_shc_prompt_defconfig
@@ -22,6 +22,7 @@
 CONFIG_SPL_OS_BOOT=y
 CONFIG_SPL_POWER_SUPPORT=y
 CONFIG_SPL_YMODEM_SUPPORT=y
+# CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC is not set
 CONFIG_AUTOBOOT_KEYED=y
 CONFIG_AUTOBOOT_PROMPT="Enter 'shc' to enter prompt (times out) %d \nEnter 'noautoboot' to enter prompt without timeout\n"
 CONFIG_AUTOBOOT_DELAY_STR="shc"
diff --git a/configs/am335x_shc_sdboot_defconfig b/configs/am335x_shc_sdboot_defconfig
index 82a61a3..2ef7ced 100644
--- a/configs/am335x_shc_sdboot_defconfig
+++ b/configs/am335x_shc_sdboot_defconfig
@@ -23,6 +23,7 @@
 CONFIG_SPL_OS_BOOT=y
 CONFIG_SPL_POWER_SUPPORT=y
 CONFIG_SPL_YMODEM_SUPPORT=y
+# CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC is not set
 CONFIG_SYS_PROMPT="U-Boot# "
 CONFIG_AUTOBOOT_KEYED=y
 CONFIG_AUTOBOOT_PROMPT="Enter 'shc' to enter prompt (times out) %d \nEnter 'noautoboot' to enter prompt without timeout\n"
diff --git a/configs/am335x_shc_sdboot_prompt_defconfig b/configs/am335x_shc_sdboot_prompt_defconfig
index 82a61a3..2ef7ced 100644
--- a/configs/am335x_shc_sdboot_prompt_defconfig
+++ b/configs/am335x_shc_sdboot_prompt_defconfig
@@ -23,6 +23,7 @@
 CONFIG_SPL_OS_BOOT=y
 CONFIG_SPL_POWER_SUPPORT=y
 CONFIG_SPL_YMODEM_SUPPORT=y
+# CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC is not set
 CONFIG_SYS_PROMPT="U-Boot# "
 CONFIG_AUTOBOOT_KEYED=y
 CONFIG_AUTOBOOT_PROMPT="Enter 'shc' to enter prompt (times out) %d \nEnter 'noautoboot' to enter prompt without timeout\n"
diff --git a/configs/cm_t335_defconfig b/configs/cm_t335_defconfig
index 46979b3..45eace2 100644
--- a/configs/cm_t335_defconfig
+++ b/configs/cm_t335_defconfig
@@ -19,6 +19,7 @@
 CONFIG_SPL_I2C_SUPPORT=y
 CONFIG_SPL_MTD_SUPPORT=y
 CONFIG_SPL_POWER_SUPPORT=y
+# CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC is not set
 CONFIG_SYS_PROMPT="CM-T335 # "
 CONFIG_CMD_ASKENV=y
 CONFIG_CMD_EEPROM=y
diff --git a/configs/draco_defconfig b/configs/draco_defconfig
index 985e662..19c9a6c 100644
--- a/configs/draco_defconfig
+++ b/configs/draco_defconfig
@@ -24,6 +24,7 @@
 CONFIG_SPL=y
 CONFIG_SPL_I2C_SUPPORT=y
 CONFIG_SPL_YMODEM_SUPPORT=y
+# CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC is not set
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="U-Boot# "
 CONFIG_AUTOBOOT_KEYED=y
diff --git a/configs/etamin_defconfig b/configs/etamin_defconfig
index dd862bb..7db9685 100644
--- a/configs/etamin_defconfig
+++ b/configs/etamin_defconfig
@@ -24,6 +24,7 @@
 CONFIG_SPL=y
 CONFIG_SPL_I2C_SUPPORT=y
 CONFIG_SPL_YMODEM_SUPPORT=y
+# CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC is not set
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="U-Boot# "
 CONFIG_AUTOBOOT_KEYED=y
diff --git a/configs/rastaban_defconfig b/configs/rastaban_defconfig
index e561edc..6a7c2ef 100644
--- a/configs/rastaban_defconfig
+++ b/configs/rastaban_defconfig
@@ -24,6 +24,7 @@
 CONFIG_SPL=y
 CONFIG_SPL_I2C_SUPPORT=y
 CONFIG_SPL_YMODEM_SUPPORT=y
+# CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC is not set
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="U-Boot# "
 CONFIG_AUTOBOOT_KEYED=y
diff --git a/configs/thuban_defconfig b/configs/thuban_defconfig
index eb7e285..3fccaf1 100644
--- a/configs/thuban_defconfig
+++ b/configs/thuban_defconfig
@@ -24,6 +24,7 @@
 CONFIG_SPL=y
 CONFIG_SPL_I2C_SUPPORT=y
 CONFIG_SPL_YMODEM_SUPPORT=y
+# CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC is not set
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="U-Boot# "
 CONFIG_AUTOBOOT_KEYED=y
diff --git a/drivers/bootcount/Kconfig b/drivers/bootcount/Kconfig
index 73972b7..d335ed1 100644
--- a/drivers/bootcount/Kconfig
+++ b/drivers/bootcount/Kconfig
@@ -34,6 +34,7 @@
 config BOOTCOUNT_AM33XX
 	bool "Boot counter in AM33XX RTC IP block"
 	depends on AM33XX || SOC_DA8XX
+	select SPL_AM33XX_ENABLE_RTC32K_OSC if AM33XX
 	help
 	  A bootcount driver for the RTC IP block found on many TI platforms.
 	  This requires the RTC clocks, etc, to be enabled prior to use and
diff --git a/include/configs/am335x_shc.h b/include/configs/am335x_shc.h
index 6fa117e..60b162e 100644
--- a/include/configs/am335x_shc.h
+++ b/include/configs/am335x_shc.h
@@ -16,7 +16,6 @@
 #include <configs/ti_am335x_common.h>
 
 /* settings we don;t want on this board */
-#undef CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC
 #undef CONFIG_CMD_SPI
 
 #define CONFIG_CMD_CACHE
diff --git a/include/configs/bur_am335x_common.h b/include/configs/bur_am335x_common.h
index e8abe53..4aa0cb6 100644
--- a/include/configs/bur_am335x_common.h
+++ b/include/configs/bur_am335x_common.h
@@ -17,7 +17,6 @@
 /* Timer information */
 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
 #define CONFIG_SYS_TIMERBASE		0x48040000	/* Use Timer2 */
-#define CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC	/* enable 32kHz OSC at bootime */
 #define CONFIG_POWER_TPS65217
 
 #include <asm/arch/omap.h>
diff --git a/include/configs/cm_t335.h b/include/configs/cm_t335.h
index 641bdb7..0609cca 100644
--- a/include/configs/cm_t335.h
+++ b/include/configs/cm_t335.h
@@ -16,7 +16,6 @@
 #include <configs/ti_am335x_common.h>
 
 #undef CONFIG_SPI
-#undef CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC
 
 #undef CONFIG_MAX_RAM_BANK_SIZE
 #define CONFIG_MAX_RAM_BANK_SIZE	(512 << 20)	/* 512MB */
diff --git a/include/configs/draco.h b/include/configs/draco.h
index c181640..02e935e 100644
--- a/include/configs/draco.h
+++ b/include/configs/draco.h
@@ -18,7 +18,6 @@
 #include "siemens-am33x-common.h"
 
 #define DDR_PLL_FREQ	303
-#undef CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC
 
 #define BOARD_DFU_BUTTON_GPIO	27	/* Use as default */
 #define GPIO_LAN9303_NRST	88	/* GPIO2_24 = gpio88 */
diff --git a/include/configs/etamin.h b/include/configs/etamin.h
index ef9f330..a605f8d 100644
--- a/include/configs/etamin.h
+++ b/include/configs/etamin.h
@@ -70,7 +70,6 @@
 
 #define CONFIG_SYS_NAND_ONFI_DETECTION
 #define DDR_PLL_FREQ	303
-#undef CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC
 
 /* FWD Button = 27
  * SRV Button = 87 */
diff --git a/include/configs/rastaban.h b/include/configs/rastaban.h
index 116728f..a9304e8 100644
--- a/include/configs/rastaban.h
+++ b/include/configs/rastaban.h
@@ -16,7 +16,6 @@
 #include "siemens-am33x-common.h"
 
 #define DDR_PLL_FREQ	303
-#undef CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC
 
 /* FWD Button = 27
  * SRV Button = 87 */
diff --git a/include/configs/thuban.h b/include/configs/thuban.h
index 78674a1..88dce54 100644
--- a/include/configs/thuban.h
+++ b/include/configs/thuban.h
@@ -16,7 +16,6 @@
 #include "siemens-am33x-common.h"
 
 #define DDR_PLL_FREQ	303
-#undef CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC
 
 #define BOARD_DFU_BUTTON_GPIO	27	/* Use as default */
 #define GPIO_LAN9303_NRST	88	/* GPIO2_24 = gpio88 */
diff --git a/include/configs/ti_am335x_common.h b/include/configs/ti_am335x_common.h
index 8251ceb..9832e09 100644
--- a/include/configs/ti_am335x_common.h
+++ b/include/configs/ti_am335x_common.h
@@ -15,7 +15,6 @@
 #define CONFIG_ARCH_CPU_INIT
 #define CONFIG_MAX_RAM_BANK_SIZE	(1024 << 20)	/* 1GB */
 #define CONFIG_SYS_TIMERBASE		0x48040000	/* Use Timer2 */
-#define CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC
 
 #include <asm/arch/omap.h>
 
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index f76d68b..88494bf 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -1942,7 +1942,6 @@
 CONFIG_SPLASH_SOURCE
 CONFIG_SPLL_FREQ
 CONFIG_SPL_
-CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC
 CONFIG_SPL_ATMEL_SIZE
 CONFIG_SPL_BOARD_LOAD_IMAGE
 CONFIG_SPL_BOOTROM_SAVE