3 files changed, 76 insertions, 2 deletions
diff --git a/src/device/Kconfig b/src/device/Kconfig
index c0ba3d1614..60ee04709b 100644
--- a/src/device/Kconfig
+++ b/src/device/Kconfig
@@ -953,4 +953,6 @@ config XHCI_UTILS
 	help
 	  Provides xHCI utility functions.
 
+source "src/device/dram/Kconfig"
+
 endmenu
diff --git a/src/device/dram/Kconfig b/src/device/dram/Kconfig
new file mode 100644
index 0000000000..7bb1dab50d
--- /dev/null
+++ b/src/device/dram/Kconfig
@@ -0,0 +1,57 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+# Short-term plan: Start adding 'USE_' and "NO_" options to each chip.
+#
+# Long-term plan: Every SoC or chipset should select the memory types they
+# use. When they all select their memory, the 'no_' options can be removed
+# and the defaults for all memory types can be set to n.
+
+config NO_DDR5
+	bool
+
+config NO_LPDDR4
+	bool
+
+config NO_DDR4
+	bool
+
+config NO_DDR3
+	bool
+
+config NO_DDR2
+	bool
+
+config USE_DDR5
+	bool
+	default n if NO_DDR5
+	default y
+	help
+	  system supports DDR5 memory
+
+config USE_LPDDR4
+	bool
+	default n if NO_LPDDR4
+	default y
+	help
+	  system supports LPDDR4 memory
+
+config USE_DDR4
+	bool
+	default n if NO_DDR4
+	default y
+	help
+	  system supports DDR4 memory
+
+config USE_DDR3
+	bool
+	default n if NO_DDR3
+	default y
+	help
+	  system supports DDR3 memory
+
+config USE_DDR2
+	bool
+	default n if NO_DDR2
+	default y
+	help
+	  system supports DDR2 memory
diff --git a/src/device/dram/Makefile.inc b/src/device/dram/Makefile.inc
index 31dfb91d7f..fc472ea711 100644
--- a/src/device/dram/Makefile.inc
+++ b/src/device/dram/Makefile.inc
@@ -1,3 +1,18 @@
-romstage-y += ddr5.c lpddr4.c ddr4.c ddr3.c ddr2.c ddr_common.c
 
-ramstage-y += ddr5.c lpddr4.c ddr4.c ddr3.c ddr2.c ddr_common.c spd.c
+romstage-y += ddr_common.c
+ramstage-y += ddr_common.c spd.c
+
+romstage-$(CONFIG_USE_DDR5) += ddr5.c
+ramstage-$(CONFIG_USE_DDR5) += ddr5.c
+
+romstage-$(CONFIG_USE_LPDDR4) += lpddr4.c
+ramstage-$(CONFIG_USE_LPDDR4) += lpddr4.c
+
+romstage-$(CONFIG_USE_DDR4) += ddr4.c
+ramstage-$(CONFIG_USE_DDR4) += ddr4.c
+
+romstage-$(CONFIG_USE_DDR3) += ddr3.c
+ramstage-$(CONFIG_USE_DDR3) += ddr3.c
+
+romstage-$(CONFIG_USE_DDR2) += ddr2.c
+ramstage-$(CONFIG_USE_DDR2) += ddr2.c