1 files changed, 63 insertions, 0 deletions
diff --git a/src/mainboard/libretrend/lt1000/romstage.c b/src/mainboard/libretrend/lt1000/romstage.c
new file mode 100644
index 0000000000..510038b3b7
--- /dev/null
+++ b/src/mainboard/libretrend/lt1000/romstage.c
@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* This file is part of the coreboot project. */
+
+#include <soc/romstage.h>
+#include <spd_bin.h>
+#include <string.h>
+
+static void mainboard_fill_dq_map_data(void *dq_map_ch0, void *dq_map_ch1)
+{
+	const u8 dq_map[2][12] = {
+		{ 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0,
+		  0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 },
+		{ 0x33, 0xCC, 0x00, 0xCC, 0x33, 0xCC,
+		  0x33, 0x00, 0xFF, 0x00, 0xFF, 0x00 } };
+	memcpy(dq_map_ch0, dq_map[0], sizeof(dq_map[0]));
+	memcpy(dq_map_ch1, dq_map[1], sizeof(dq_map[1]));
+}
+
+static void mainboard_fill_dqs_map_data(void *dqs_map_ch0, void *dqs_map_ch1)
+{
+	const u8 dqs_map[2][8] = {
+		{ 0, 1, 2, 3, 4, 5, 6, 7 },
+		{ 1, 0, 2, 3, 4, 5, 6, 7 } };
+	memcpy(dqs_map_ch0, dqs_map[0], sizeof(dqs_map[0]));
+	memcpy(dqs_map_ch1, dqs_map[1], sizeof(dqs_map[1]));
+}
+
+static void mainboard_fill_rcomp_res_data(void *rcomp_ptr)
+{
+	const u16 RcompResistor[3] = { 121, 81, 100 };
+	memcpy(rcomp_ptr, RcompResistor, sizeof(RcompResistor));
+}
+
+static void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr)
+{
+	const u16 RcompTarget[5] = { 100, 40, 20, 20, 26 };
+	memcpy(rcomp_strength_ptr, RcompTarget, sizeof(RcompTarget));
+}
+
+void mainboard_memory_init_params(FSPM_UPD *mupd)
+{
+	FSP_M_CONFIG *mem_cfg;
+	mem_cfg = &mupd->FspmConfig;
+
+	mainboard_fill_dq_map_data(&mem_cfg->DqByteMapCh0, &mem_cfg->DqByteMapCh1);
+	mainboard_fill_dqs_map_data(&mem_cfg->DqsMapCpu2DramCh0, &mem_cfg->DqsMapCpu2DramCh1);
+	mainboard_fill_rcomp_res_data(&mem_cfg->RcompResistor);
+	mainboard_fill_rcomp_strength_data(&mem_cfg->RcompTarget);
+
+	struct spd_block blk = {
+		.addr_map = { 0x50, 0x52, },
+	};
+
+	mem_cfg->DqPinsInterleaved = 1;
+	mem_cfg->CaVrefConfig = 2;
+
+	get_spd_smbus(&blk);
+	dump_spd_info(&blk);
+
+	mem_cfg->MemorySpdDataLen = blk.len;
+	mem_cfg->MemorySpdPtr00 = (uintptr_t)blk.spd_array[0];
+	mem_cfg->MemorySpdPtr10 = (uintptr_t)blk.spd_array[1];
+}