summaryrefslogtreecommitdiff
path: root/src/mainboard/asrock/h110m/romstage.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mainboard/asrock/h110m/romstage.c')
-rw-r--r--src/mainboard/asrock/h110m/romstage.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/src/mainboard/asrock/h110m/romstage.c b/src/mainboard/asrock/h110m/romstage.c
new file mode 100644
index 0000000000..4961a792ad
--- /dev/null
+++ b/src/mainboard/asrock/h110m/romstage.c
@@ -0,0 +1,86 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Intel Corporation.
+ * Copyright (C) 2019 Maxim Polyakov <max.senia.poliak@gmail.com>
+ *
+ * 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 <spd_bin.h>
+
+#define RCOMP_TARGET_PARAMS 0x5
+
+static 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));
+}
+
+static 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));
+}
+
+static void mainboard_fill_rcomp_res_data(void *rcomp_ptr)
+{
+ /* Rcomp resistor */
+ const u16 RcompResistor[3] = { 200, 81, 162 };
+ memcpy(rcomp_ptr, RcompResistor,
+ sizeof(RcompResistor));
+}
+
+static void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr)
+{
+ /* Rcomp target */
+ static const u16 RcompTarget[RCOMP_TARGET_PARAMS] = {
+ 100, 40, 40, 23, 40 };
+ memcpy(rcomp_strength_ptr, RcompTarget, sizeof(RcompTarget));
+}
+
+void mainboard_memory_init_params(FSPM_UPD *mupd)
+{
+ FSP_M_CONFIG *mem_cfg;
+ struct spd_block blk = {
+ .addr_map = { 0x50, 0x51, 0x52, 0x53, },
+ };
+
+ mem_cfg = &mupd->FspmConfig;
+ mainboard_fill_dq_map_data(&mem_cfg->DqByteMapCh0);
+ mainboard_fill_dqs_map_data(&mem_cfg->DqsMapCpu2DramCh0);
+ mainboard_fill_rcomp_res_data(&mem_cfg->RcompResistor);
+ mainboard_fill_rcomp_strength_data(&mem_cfg->RcompTarget);
+
+ mem_cfg->DqPinsInterleaved = 1;
+ get_spd_smbus(&blk);
+ mem_cfg->MemorySpdDataLen = blk.len;
+ mem_cfg->MemorySpdPtr00 = (uintptr_t)blk.spd_array[0];
+ mem_cfg->MemorySpdPtr10 = (uintptr_t)blk.spd_array[2];
+ mem_cfg->MemorySpdPtr01 = (uintptr_t)blk.spd_array[1];
+ mem_cfg->MemorySpdPtr11 = (uintptr_t)blk.spd_array[3];
+ dump_spd_info(&blk);
+
+ /* use virtual channel 1 for the dmi interface of the PCH */
+ mupd->FspmTestConfig.DmiVc1 = 1;
+
+ /* desktop type */
+ mem_cfg->UserBd = BOARD_TYPE_DESKTOP;
+}