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Diffstat (limited to 'src/mainboard/google/poppy/romstage.c')
-rw-r--r--src/mainboard/google/poppy/romstage.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/src/mainboard/google/poppy/romstage.c b/src/mainboard/google/poppy/romstage.c
new file mode 100644
index 0000000000..70e93d8e97
--- /dev/null
+++ b/src/mainboard/google/poppy/romstage.c
@@ -0,0 +1,51 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Google Inc.
+ *
+ * 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 <soc/romstage.h>
+#include <string.h>
+
+#include <fsp/soc_binding.h>
+
+#include "spd/spd.h"
+
+void mainboard_memory_init_params(FSPM_UPD *mupd)
+{
+ FSP_M_CONFIG *mem_cfg = &mupd->FspmConfig;
+ /* DQ byte map */
+ const u8 dq_map[2][12] = {
+ { 0xF0, 0x0F, 0x00, 0xF0, 0x0F, 0xF0,
+ 0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 },
+ { 0x33, 0xCC, 0x00, 0x33, 0xCC, 0x33,
+ 0xCC, 0x00, 0xFF, 0x00, 0xFF, 0x00 }
+ };
+ /* DQS CPU<>DRAM map */
+ const u8 dqs_map[2][8] = {
+ { 0, 3, 1, 2, 4, 7, 6, 5 },
+ { 5, 6, 0, 3, 4, 7, 2, 1 },
+ };
+ /* Rcomp resistor */
+ const u16 rcomp_resistor[] = { 200, 81, 162 };
+ /* Rcomp target */
+ const u16 rcomp_target[] = { 100, 40, 40, 23, 40 };
+
+ memcpy(&mem_cfg->DqByteMapCh0, dq_map, sizeof(dq_map));
+ memcpy(&mem_cfg->DqsMapCpu2DramCh0, dqs_map, sizeof(dqs_map));
+ memcpy(&mem_cfg->RcompResistor, rcomp_resistor, sizeof(rcomp_resistor));
+ memcpy(&mem_cfg->RcompTarget, rcomp_target, sizeof(rcomp_target));
+
+ mem_cfg->MemorySpdPtr00 = mainboard_get_spd_data();
+ mem_cfg->MemorySpdPtr10 = mem_cfg->MemorySpdPtr00;
+ mem_cfg->MemorySpdDataLen = SPD_LEN;
+}