armv7: ls1021a: Move DDR config options to Kconfig

Move DDR3, DDR4 and related config options to Kconfig and clean up
existing uses.

Signed-off-by: York Sun <york.sun@nxp.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/cpu/armv7/ls102xa/Kconfig b/arch/arm/cpu/armv7/ls102xa/Kconfig
index 17f1975..28bf778 100644
--- a/arch/arm/cpu/armv7/ls102xa/Kconfig
+++ b/arch/arm/cpu/armv7/ls102xa/Kconfig
@@ -3,6 +3,8 @@
 	select SYS_FSL_ERRATUM_A010315
 	select SYS_FSL_SRDS_1
 	select SYS_HAS_SERDES
+	select SYS_FSL_DDR_BE
+	select SYS_FSL_DDR_VER_50
 
 menu "LS102xA architecture"
 	depends on ARCH_LS1021A
@@ -22,6 +24,10 @@
 	  cores, count the reserved ports. This will allocate enough memory
 	  in spin table to properly handle all cores.
 
+config NUM_DDR_CONTROLLERS
+	int "Maximum DDR controllers"
+	default 1
+
 config SYS_FSL_ERRATUM_A010315
 	bool "Workaround for PCIe erratum A010315"
 
@@ -33,6 +39,47 @@
 
 config SYS_HAS_SERDES
 	bool
+
+config SYS_FSL_DDR
+	bool "Freescale DDR driver"
+	help
+	  Select Freescale General DDR driver, shared between most Freescale
+	  PowerPC- based SoCs (such as mpc83xx, mpc85xx, mpc86xx) and ARM-
+	  based Layerscape SoCs (such as ls2080a).
+
+config SYS_FSL_DDR_BE
+	bool
+	default y
+	help
+	  Access DDR registers in big-endian.
+
+config SYS_FSL_DDR_VER
+	int
+	default 50 if SYS_FSL_DDR_VER_50
+
+config SYS_FSL_DDR_VER_50
+	bool
+
+config SYS_FSL_DDRC_ARM_GEN3
+	bool
+
+config SYS_FSL_DDRC_GEN4
+	bool
+
+config SYS_FSL_DDR3
+	bool "Freescale DDR3 controller"
+	depends on !SYS_FSL_DDR4
+	select SYS_FSL_DDR
+	select SYS_FSL_DDRC_ARM_GEN3
+	help
+	  Enable Freescale DDR3 controller on ARM-based SoCs.
+
+config SYS_FSL_DDR4
+	bool "Freescale DDR4 controller"
+	select SYS_FSL_DDR
+	select SYS_FSL_DDRC_GEN4
+	help
+	  Enable Freescale DDR4 controller.
 
 config SYS_FSL_IFC_BANK_COUNT
 	int "Maximum banks of Integrated flash controller"
diff --git a/arch/arm/include/asm/arch-ls102xa/config.h b/arch/arm/include/asm/arch-ls102xa/config.h
index dfcb546..ec65cc0 100644
--- a/arch/arm/include/asm/arch-ls102xa/config.h
+++ b/arch/arm/include/asm/arch-ls102xa/config.h
@@ -94,14 +94,7 @@
 #define CONFIG_SYS_FSL_ERRATUM_A008407
 
 #ifdef CONFIG_DDR_SPD
-#define CONFIG_SYS_FSL_DDR_BE
 #define CONFIG_VERY_BIG_RAM
-#ifdef CONFIG_SYS_FSL_DDR4
-#define CONFIG_SYS_FSL_DDRC_GEN4
-#else
-#define CONFIG_SYS_FSL_DDRC_ARM_GEN3
-#endif
-#define CONFIG_SYS_FSL_DDR
 #define CONFIG_SYS_LS1_DDR_BLOCK1_SIZE		((phys_size_t)2 << 30)
 #define CONFIG_MAX_MEM_MAPPED			CONFIG_SYS_LS1_DDR_BLOCK1_SIZE
 #endif
@@ -121,9 +114,6 @@
 #define DCU_LAYER_MAX_NUM			16
 
 #ifdef CONFIG_LS102XA
-#define CONFIG_SYS_FSL_IFC_BANK_COUNT		8
-#define CONFIG_NUM_DDR_CONTROLLERS		1
-#define CONFIG_SYS_FSL_DDR_VER			FSL_DDR_VER_5_0
 #define CONFIG_SYS_FSL_SEC_COMPAT		5
 #define CONFIG_USB_MAX_CONTROLLER_COUNT		1
 #define CONFIG_SYS_FSL_ERRATUM_A008378