summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorHuayang Duan <huayang.duan@mediatek.com>2019-07-24 09:57:40 +0800
committerJulius Werner <jwerner@chromium.org>2019-08-16 19:52:44 +0000
commit126d4198a9739f07fe456da27aef10076b955185 (patch)
treef2391a5b04e9e6a3ffba451100317dec2896e3d0 /src
parentf4aa501ecacb3cbc3774d01b5f9209f71bd578cf (diff)
downloadcoreboot-126d4198a9739f07fe456da27aef10076b955185.tar.xz
mediatek/mt8183: Add SAMSUNG 4GB LPDDR4X discrete DDR support
BUG=b:80501386 BRANCH=none TEST=Boots correctly and stress test passes on Kukui. Change-Id: I27164f0909edb9d9398835e292fb845f0e342391 Signed-off-by: Huayang Duan <huayang.duan@mediatek.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34532 Reviewed-by: Hung-Te Lin <hungte@chromium.org> Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Martin Roth <martinroth@google.com> Reviewed-by: Huayang Duan <huayang.duan@mediatek.corp-partner.google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/kukui/sdram_configs.c1
-rw-r--r--src/mainboard/google/kukui/sdram_params/Makefile.inc1
-rw-r--r--src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB.c41
3 files changed, 43 insertions, 0 deletions
diff --git a/src/mainboard/google/kukui/sdram_configs.c b/src/mainboard/google/kukui/sdram_configs.c
index d8b3cc4c2f..b6277eaebf 100644
--- a/src/mainboard/google/kukui/sdram_configs.c
+++ b/src/mainboard/google/kukui/sdram_configs.c
@@ -26,6 +26,7 @@ static const char *const sdram_configs[] = {
[5] = "sdram-lpddr4x-MT29VZZZAD8DQKSL-4GB",
[6] = "sdram-lpddr4x-KMDV6001DA-B620-4GB",
[7] = "sdram-lpddr4x-SDADA4CR-128G-4GB",
+ [8] = "sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB",
};
static struct sdram_params params;
diff --git a/src/mainboard/google/kukui/sdram_params/Makefile.inc b/src/mainboard/google/kukui/sdram_params/Makefile.inc
index fbc505b588..4d91998e52 100644
--- a/src/mainboard/google/kukui/sdram_params/Makefile.inc
+++ b/src/mainboard/google/kukui/sdram_params/Makefile.inc
@@ -1,4 +1,5 @@
sdram-params :=
+sdram-params += sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB
sdram-params += sdram-lpddr4x-H9HCNNNCPMALHR-4GB
sdram-params += sdram-lpddr4x-MT53E1G32D4NQ-4GB
sdram-params += sdram-lpddr4x-KMDH6001DA-B422-4GB
diff --git a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB.c b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB.c
new file mode 100644
index 0000000000..8d855ff1ba
--- /dev/null
+++ b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB.c
@@ -0,0 +1,41 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 MediaTek 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/emi.h>
+
+struct sdram_params params = {
+ .impedance = {
+ [ODT_OFF] = {0x9, 0x7, 0x0, 0xF},
+ [ODT_ON] = {0xB, 0x9, 0x0, 0xE}
+ },
+ .wr_level = {
+ [CHANNEL_A] = { {0x22, 0x1C}, {0x23, 0x1D} },
+ [CHANNEL_B] = { {0x26, 0x23}, {0x26, 0x23} }
+ },
+ .cbt_cs = {
+ [CHANNEL_A] = {0x6, 0x5},
+ [CHANNEL_B] = {0x6, 0x6}
+ },
+ .cbt_mr12 = {
+ [CHANNEL_A] = {0x56, 0x58},
+ [CHANNEL_B] = {0x58, 0x56}
+ },
+ .emi_cona_val = 0xF053F154,
+ .emi_conh_val = 0x44440003,
+ .emi_conf_val = 0x00421000,
+ .chn_emi_cona_val = {0x0444F051, 0x0444F051},
+ .cbt_mode_extern = CBT_NORMAL_MODE,
+ .delay_cell_unit = 868,
+};