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authorPH Hsu <ph.hsu@mediatek.com>2016-05-17 08:47:56 +0800
committerMartin Roth <martinroth@google.com>2016-06-12 12:13:10 +0200
commitcf6526c21135f81acca43d1fcc4566d7c1a86681 (patch)
treeca6be877a5fd72fc50b86d29a2479bc81b67b748 /src/mainboard/google
parent99f065fb6eddd46f829a756704a954d60ea201c6 (diff)
downloadcoreboot-cf6526c21135f81acca43d1fcc4566d7c1a86681.tar.xz
mt8173: dram: Add more sample points to improve dram timing margin
BRANCH=none BUG=chrome-os-partner:52959 TEST=verified on elm-EVT SKU1/SKU2, Oak-rev5 2GB/4GB models. Change-Id: I228c629d9a3d6cd8fc5c4e8ba24cc52d5283b4e6 Signed-off-by: Martin Roth <martinroth@chromium.org> Original-Commit-Id: 3c19e7d Original-Change-Id: I22356aa8d196c4c126742cfc7e85cc693acd9b39 Original-Signed-off-by: PH Hsu <ph.hsu@mediatek.com> Original-Reviewed-on: https://chromium-review.googlesource.com/347716 Original-Commit-Ready: Yidi Lin <yidi.lin@mediatek.com> Original-Tested-by: Yidi Lin <yidi.lin@mediatek.com> Original-Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/15115 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/mainboard/google')
-rw-r--r--src/mainboard/google/oak/sdram_inf/sdram-lpddr3-K4E6E304EB-4GB.inc8
-rw-r--r--src/mainboard/google/oak/sdram_inf/sdram-lpddr3-hynix-2GB.inc4
-rw-r--r--src/mainboard/google/oak/sdram_inf/sdram-lpddr3-hynix-4GB.inc10
3 files changed, 11 insertions, 11 deletions
diff --git a/src/mainboard/google/oak/sdram_inf/sdram-lpddr3-K4E6E304EB-4GB.inc b/src/mainboard/google/oak/sdram_inf/sdram-lpddr3-K4E6E304EB-4GB.inc
index 3dd795d589..0fe16a6104 100644
--- a/src/mainboard/google/oak/sdram_inf/sdram-lpddr3-K4E6E304EB-4GB.inc
+++ b/src/mainboard/google/oak/sdram_inf/sdram-lpddr3-K4E6E304EB-4GB.inc
@@ -21,12 +21,12 @@
.gating_win = {
[CHANNEL_A] = {
- { 28, 56},
- { 28, 56}
+ { 28, 64},
+ { 28, 64}
},
[CHANNEL_B] = {
- { 28, 56},
- { 28, 56}
+ { 28, 64},
+ { 28, 64}
}
},
diff --git a/src/mainboard/google/oak/sdram_inf/sdram-lpddr3-hynix-2GB.inc b/src/mainboard/google/oak/sdram_inf/sdram-lpddr3-hynix-2GB.inc
index 4e728e358a..578343b7c0 100644
--- a/src/mainboard/google/oak/sdram_inf/sdram-lpddr3-hynix-2GB.inc
+++ b/src/mainboard/google/oak/sdram_inf/sdram-lpddr3-hynix-2GB.inc
@@ -21,11 +21,11 @@
.gating_win = {
[CHANNEL_A] = {
- { 28, 56},
+ { 28, 64},
{ 0, 0}
},
[CHANNEL_B] = {
- { 28, 56},
+ { 28, 64},
{ 0, 0}
}
},
diff --git a/src/mainboard/google/oak/sdram_inf/sdram-lpddr3-hynix-4GB.inc b/src/mainboard/google/oak/sdram_inf/sdram-lpddr3-hynix-4GB.inc
index 76a1aa9a94..099a07c1dc 100644
--- a/src/mainboard/google/oak/sdram_inf/sdram-lpddr3-hynix-4GB.inc
+++ b/src/mainboard/google/oak/sdram_inf/sdram-lpddr3-hynix-4GB.inc
@@ -21,18 +21,18 @@
.gating_win = {
[CHANNEL_A] = {
- { 28, 56},
- { 28, 56}
+ { 28, 64},
+ { 28, 64}
},
[CHANNEL_B] = {
- { 28, 56},
- { 28, 56}
+ { 28, 64},
+ { 28, 64}
}
},
.rx_dqs_dly = {
[CHANNEL_A] = 0x110e0b0b,
- [CHANNEL_B] = 0x12100d0d
+ [CHANNEL_B] = 0x0D100d0d
},
.rx_dq_dly = {