1 files changed, 29 insertions, 0 deletions
diff --git a/src/mainboard/system76/tgl-h/romstage.c b/src/mainboard/system76/tgl-h/romstage.c
new file mode 100644
index 000000000000..f69bae98eb16
--- /dev/null
+++ b/src/mainboard/system76/tgl-h/romstage.c
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <soc/meminit.h>
+#include <soc/romstage.h>
+#include <variant/romstage.h>
+
+static const struct mb_cfg board_cfg = {
+	.type = MEM_TYPE_DDR4,
+	.ddr4_config = {
+		.dq_pins_interleaved = true,
+	},
+};
+
+static const struct mem_spd spd_info = {
+	.topo = MEM_TOPO_DIMM_MODULE,
+	.smbus = {
+		[0] = { .addr_dimm[0] = 0x50, },
+		[1] = { .addr_dimm[0] = 0x52, },
+	},
+};
+
+void mainboard_memory_init_params(FSPM_UPD *mupd)
+{
+	variant_memory_init_params(mupd);
+
+	const bool half_populated = false;
+
+	memcfg_init(mupd, &board_cfg, &spd_info, half_populated);
+}