[coreboot-gerrit] Change in coreboot[master]: skylake, kabylake: Add support to set eMMC tuning param from dev tree

[Pratikkumar V Prajapati (Code Review)]

Pratikkumar V Prajapati has uploaded this change for review. ( https://review.coreboot.org/28274


Change subject: skylake,kabylake: Add support to set eMMC tuning param from dev tree
......................................................................

skylake,kabylake: Add support to set eMMC tuning param from dev tree

Add support to set eMMC tuning params from the device tree so that it
can be configured per board.

BUG=b:112718426,b:112690628
BRANCH=none
TEST=Build nocturne image and checked values passed in dev tree is set
by FSP.

Change-Id: Ic71934dce9a1c380a057e579ca3fda41983b9385
Signed-off-by: Pratik Prajapati <pratikkumar.v.prajapati at intel.com>
---
M src/soc/intel/skylake/chip.h
M src/soc/intel/skylake/chip_fsp20.c
2 files changed, 12 insertions(+), 0 deletions(-)



  git pull ssh://review.coreboot.org:29418/coreboot refs/changes/74/28274/1

diff --git a/src/soc/intel/skylake/chip.h b/src/soc/intel/skylake/chip.h
index ec8b461..101ac61 100644
--- a/src/soc/intel/skylake/chip.h
+++ b/src/soc/intel/skylake/chip.h
@@ -288,6 +288,9 @@
 	u8 ScsEmmcEnabled;
 	u8 ScsEmmcHs400Enabled;
 	u8 ScsSdCardEnabled;
+	u8 EmmcHs400DllNeed;
+	u8 ScsEmmcHs400RxStrobeDll1;
+	u8 ScsEmmcHs400TxDataDll;
 
 	u8 PttSwitch;
 	u8 HeciTimeouts;
diff --git a/src/soc/intel/skylake/chip_fsp20.c b/src/soc/intel/skylake/chip_fsp20.c
index d5f5433..c2c0745 100644
--- a/src/soc/intel/skylake/chip_fsp20.c
+++ b/src/soc/intel/skylake/chip_fsp20.c
@@ -336,6 +336,15 @@
 	params->ScsEmmcHs400Enabled = config->ScsEmmcHs400Enabled;
 	params->ScsSdCardEnabled = config->ScsSdCardEnabled;
 
+	if (!!params->ScsEmmcHs400Enabled && !!config->EmmcHs400DllNeed) {
+		params->PchScsEmmcHs400DllDataValid =
+			!!config->EmmcHs400DllNeed;
+		params->PchScsEmmcHs400RxStrobeDll1 =
+			config->ScsEmmcHs400RxStrobeDll1;
+		params->PchScsEmmcHs400TxDataDll =
+			config->ScsEmmcHs400TxDataDll;
+	}
+
 	/* If ISH is enabled, enable ISH elements */
 	dev = dev_find_slot(0, PCH_DEVFN_ISH);
 	if (dev)

-- 
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: Ic71934dce9a1c380a057e579ca3fda41983b9385
Gerrit-Change-Number: 28274
Gerrit-PatchSet: 1
Gerrit-Owner: Pratikkumar V Prajapati <pratikkumar.v.prajapati at intel.com>
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