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Diffstat (limited to 'src/mainboard/purism/librem_skl/pei_data.c')
-rw-r--r--src/mainboard/purism/librem_skl/pei_data.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/src/mainboard/purism/librem_skl/pei_data.c b/src/mainboard/purism/librem_skl/pei_data.c
new file mode 100644
index 0000000000..0be917d3c7
--- /dev/null
+++ b/src/mainboard/purism/librem_skl/pei_data.c
@@ -0,0 +1,65 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Google Inc.
+ * Copyright (C) 2015 Intel Corporation
+ * Copyright (C) 2017 Purism SPC.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include <soc/pei_data.h>
+#include <soc/pei_wrapper.h>
+#include "pei_data.h"
+
+void mainboard_fill_dq_map_data(void *dq_map_ptr)
+{
+ /* DQ byte map */
+ 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_ptr, dq_map, sizeof(dq_map));
+}
+
+void mainboard_fill_dqs_map_data(void *dqs_map_ptr)
+{
+ /* DQS CPU<>DRAM map */
+ const u8 dqs_map[2][8] = {
+ { 0, 1, 3, 2, 4, 5, 6, 7 },
+ { 1, 0, 4, 5, 2, 3, 6, 7 } };
+ memcpy(dqs_map_ptr, dqs_map, sizeof(dqs_map));
+}
+
+void mainboard_fill_rcomp_res_data(void *rcomp_ptr)
+{
+ /* Rcomp resistor */
+ const u16 RcompResistor[3] = { 121, 81, 100 };
+ memcpy(rcomp_ptr, RcompResistor,
+ sizeof(RcompResistor));
+}
+
+void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr)
+{
+ /* Rcomp target */
+ const u16 RcompTarget[5] = { 100, 40, 20, 20, 26 };
+ memcpy(rcomp_strength_ptr, RcompTarget, sizeof(RcompTarget));
+}
+
+void mainboard_fill_pei_data(struct pei_data *pei_data)
+{
+ mainboard_fill_dq_map_data(&pei_data->dq_map);
+ mainboard_fill_dqs_map_data(&pei_data->dqs_map);
+ mainboard_fill_rcomp_res_data(&pei_data->RcompResistor);
+ mainboard_fill_rcomp_strength_data(&pei_data->RcompTarget);
+}