Set R_SPI_LVSCC

[edk2] [Patch][edk2-platforms/devel-MinnowBoardMax-UDK2017] Set R_SPI_LVSCC

Posted by Guo, Mang 6 years, 5 months ago

Set bit30(VCL) of R_SPI_LVSCC because Vendor Specific Component Capabilities should be locked.

Cc: David Wei <david.wei@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Guo Mang <mang.guo@intel.com>
---
 .../BroxtonSiPkg/SouthCluster/Library/BaseScSpiCommonLib/SpiCommon.c  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/BaseScSpiCommonLib/SpiCommon.c b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/BaseScSpiCommonLib/SpiCommon.c
index 722f297..4240fd5 100644
--- a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/BaseScSpiCommonLib/SpiCommon.c
+++ b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/BaseScSpiCommonLib/SpiCommon.c
@@ -1,7 +1,7 @@
 /** @file
   SC SPI Common Driver implements the SPI Host Controller Compatibility Interface.
 
-  Copyright (c) 2008 - 2017, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
 
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
@@ -74,6 +74,8 @@ SpiProtocolConstructor (
   SpiInstance->RegionPermission = MmioRead16 (ScSpiBar0 + R_SPI_FRAP);
   DEBUG ((DEBUG_INFO, "Flash RegionPermission : %0x\n", SpiInstance->RegionPermission));
 
+  MmioOr32 (ScSpiBar0 + R_SPI_LVSCC, B_SPI_LVSCC_VCL);
+
   SpiInstance->SfdpVscc0Value = MmioRead32 (ScSpiBar0 + R_SPI_LVSCC);
   DEBUG ((DEBUG_INFO, "Component 0 SFDP VSCC value : %0x\n", SpiInstance->SfdpVscc0Value));
   SpiInstance->SfdpVscc1Value = MmioRead32 (ScSpiBar0 + R_SPI_UVSCC);
-- 
2.10.1.windows.1

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Re: [edk2] [Patch][edk2-platforms/devel-MinnowBoardMax-UDK2017] Set R_SPI_LVSCC

Posted by Wei, David 6 years, 5 months ago

Reviewed-by: zwei4 <david.wei@intel.com>

Thanks,
David  Wei

Intel SSG/STO/UEFI BIOS                                 

-----Original Message-----
From: Guo, Mang 
Sent: Wednesday, June 13, 2018 5:05 PM
To: edk2-devel@lists.01.org
Cc: Wei, David <david.wei@intel.com>
Subject: [Patch][edk2-platforms/devel-MinnowBoardMax-UDK2017] Set R_SPI_LVSCC

Set bit30(VCL) of R_SPI_LVSCC because Vendor Specific Component Capabilities should be locked.

Cc: David Wei <david.wei@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Guo Mang <mang.guo@intel.com>
---
 .../BroxtonSiPkg/SouthCluster/Library/BaseScSpiCommonLib/SpiCommon.c  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/BaseScSpiCommonLib/SpiCommon.c b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/BaseScSpiCommonLib/SpiCommon.c
index 722f297..4240fd5 100644
--- a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/BaseScSpiCommonLib/SpiCommon.c
+++ b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/BaseScSpiCommonLib/SpiCommon.c
@@ -1,7 +1,7 @@
 /** @file
   SC SPI Common Driver implements the SPI Host Controller Compatibility Interface.
 
-  Copyright (c) 2008 - 2017, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
 
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
@@ -74,6 +74,8 @@ SpiProtocolConstructor (
   SpiInstance->RegionPermission = MmioRead16 (ScSpiBar0 + R_SPI_FRAP);
   DEBUG ((DEBUG_INFO, "Flash RegionPermission : %0x\n", SpiInstance->RegionPermission));
 
+  MmioOr32 (ScSpiBar0 + R_SPI_LVSCC, B_SPI_LVSCC_VCL);
+
   SpiInstance->SfdpVscc0Value = MmioRead32 (ScSpiBar0 + R_SPI_LVSCC);
   DEBUG ((DEBUG_INFO, "Component 0 SFDP VSCC value : %0x\n", SpiInstance->SfdpVscc0Value));
   SpiInstance->SfdpVscc1Value = MmioRead32 (ScSpiBar0 + R_SPI_UVSCC);
-- 
2.10.1.windows.1

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