[U-Boot] [PATCH v3 16/19] arm: socfpga: Convert Altera DDR SDRAM driver to use Kconfig

[Ley Foon Tan]

Convert Altera DDR SDRAM driver to use Kconfig method.
Enable ALTERA_SDRAM by default if it is on Gen5 target.
Arria 10 will have different driver.

Signed-off-by: Tien Fong Chee <tien.fong.chee at intel.com>
Signed-off-by: Ley Foon Tan <ley.foon.tan at intel.com>
---
 drivers/Kconfig                  | 2 ++
 drivers/ddr/Kconfig              | 1 +
 drivers/ddr/altera/Kconfig       | 6 ++++++
 drivers/ddr/altera/Makefile      | 4 +++-
 include/configs/socfpga_common.h | 5 -----
 5 files changed, 12 insertions(+), 6 deletions(-)
 create mode 100644 drivers/ddr/Kconfig
 create mode 100644 drivers/ddr/altera/Kconfig

diff --git a/drivers/Kconfig b/drivers/Kconfig
index 0e5d97d..3e6bbac 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -14,6 +14,8 @@ source "drivers/cpu/Kconfig"
 
 source "drivers/crypto/Kconfig"
 
+source "drivers/ddr/Kconfig"
+
 source "drivers/demo/Kconfig"
 
 source "drivers/ddr/fsl/Kconfig"
diff --git a/drivers/ddr/Kconfig b/drivers/ddr/Kconfig
new file mode 100644
index 0000000..b764add
--- /dev/null
+++ b/drivers/ddr/Kconfig
@@ -0,0 +1 @@
+source "drivers/ddr/altera/Kconfig"
diff --git a/drivers/ddr/altera/Kconfig b/drivers/ddr/altera/Kconfig
new file mode 100644
index 0000000..eb82038
--- /dev/null
+++ b/drivers/ddr/altera/Kconfig
@@ -0,0 +1,6 @@
+config ALTERA_SDRAM
+	bool "SoCFPGA DDR SDRAM driver"
+	depends on TARGET_SOCFPGA_GEN5
+	default y if TARGET_SOCFPGA_GEN5
+	help
+	  Enable DDR SDRAM controller for the SoCFPGA devices.
diff --git a/drivers/ddr/altera/Makefile b/drivers/ddr/altera/Makefile
index 1ca7058..bdd2872 100644
--- a/drivers/ddr/altera/Makefile
+++ b/drivers/ddr/altera/Makefile
@@ -8,4 +8,6 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-$(CONFIG_ALTERA_SDRAM) += sdram.o sequencer.o
+ifdef CONFIG_ALTERA_SDRAM
+obj-$(CONFIG_TARGET_SOCFPGA_GEN5) += sdram.o sequencer.o
+endif
diff --git a/include/configs/socfpga_common.h b/include/configs/socfpga_common.h
index 55e0bf9..bc92a2c 100644
--- a/include/configs/socfpga_common.h
+++ b/include/configs/socfpga_common.h
@@ -77,11 +77,6 @@
 #define CONFIG_SYS_PL310_BASE		SOCFPGA_MPUL2_ADDRESS
 
 /*
- * SDRAM controller
- */
-#define CONFIG_ALTERA_SDRAM
-
-/*
  * EPCS/EPCQx1 Serial Flash Controller
  */
 #ifdef CONFIG_ALTERA_SPI
-- 
2.2.0