[coreboot-gerrit] Patch set updated for coreboot: Braswell: Disable SD card detect simulation in FSP

Hannah Williams (hannah.williams@intel.com) gerrit at coreboot.org
Tue Jan 12 16:53:36 CET 2016


Hannah Williams (hannah.williams at intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/12742

-gerrit

commit e946dd5e4ea02488373263872274a40d78f3c2bd
Author: Divya Sasidharan <divya.s.sasidharan at intel.com>
Date:   Wed Oct 28 15:02:35 2015 -0700

    Braswell: Disable SD card detect simulation in FSP
    
    Debounce for SD card detect takes a long time and thus affects boot time.
    Disabling SD card detect simulation in FSP through UPD
    
    Original-Reviewed-on: https://chromium-review.googlesource.com/311850
    Original-Reviewed-by: Duncan Laurie <dlaurie at chromium.org>
    Original-Tested-by: Hannah Williams <hannah.williams at intel.com>
    
    Change-Id: Iab0794ec058460df94f6bbed5c9b0911e57e3a71
    Signed-off-by: Divya Sasidharan <divya.s.sasidharan at intel.com>
---
 src/mainboard/google/cyan/devicetree.cb  | 1 +
 src/mainboard/intel/strago/devicetree.cb | 1 +
 src/soc/intel/braswell/chip.c            | 3 +++
 src/soc/intel/braswell/chip.h            | 1 +
 4 files changed, 6 insertions(+)

diff --git a/src/mainboard/google/cyan/devicetree.cb b/src/mainboard/google/cyan/devicetree.cb
index c36ae3d..6ba7b7c 100755
--- a/src/mainboard/google/cyan/devicetree.cb
+++ b/src/mainboard/google/cyan/devicetree.cb
@@ -70,6 +70,7 @@ chip soc/intel/braswell
 	register "PMIC_I2CBus" = "0"
 	register "ISPEnable" = "0"		# Disable IUNIT
 	register "ISPPciDevConfig" = "3"
+	register "PcdSdDetectChk" = "0" # Disable SD card detect
 
 	# LPE audio codec settings
 	register "lpe_codec_clk_freq" = "25" # 25MHz clock
diff --git a/src/mainboard/intel/strago/devicetree.cb b/src/mainboard/intel/strago/devicetree.cb
index bcf92f1..5250415 100755
--- a/src/mainboard/intel/strago/devicetree.cb
+++ b/src/mainboard/intel/strago/devicetree.cb
@@ -70,6 +70,7 @@ chip soc/intel/braswell
 	register "PMIC_I2CBus" = "0"
 	register "ISPEnable" = "0"		# Disable IUNIT
 	register "ISPPciDevConfig" = "3"
+	register "PcdSdDetectChk" = "0" # Disable SD card detect
 
 	# LPE audio codec settings
 	register "lpe_codec_clk_freq" = "25" # 25MHz clock
diff --git a/src/soc/intel/braswell/chip.c b/src/soc/intel/braswell/chip.c
index 6cf3e8a..1e04faa 100644
--- a/src/soc/intel/braswell/chip.c
+++ b/src/soc/intel/braswell/chip.c
@@ -152,6 +152,7 @@ void soc_silicon_init_params(SILICON_INIT_UPD *params)
 	params->PMIC_I2CBus = config->PMIC_I2CBus;
 	params->ISPEnable = config->ISPEnable;
 	params->ISPPciDevConfig = config->ISPPciDevConfig;
+	params->PcdSdDetectChk = config->PcdSdDetectChk;
 }
 
 void soc_display_silicon_init_params(const SILICON_INIT_UPD *old,
@@ -312,6 +313,8 @@ void soc_display_silicon_init_params(const SILICON_INIT_UPD *old,
 		old->ISPEnable, new->ISPEnable);
 	fsp_display_upd_value("ISPPciDevConfig", 1,
 		old->ISPPciDevConfig, new->ISPPciDevConfig);
+	soc_display_upd_value("PcdSdDetectChk", 1,
+		old->PcdSdDetectChk, new->PcdSdDetectChk);
 }
 
 /* Called at BS_DEV_INIT_CHIPS time -- very early. Just after BS_PRE_DEVICE. */
diff --git a/src/soc/intel/braswell/chip.h b/src/soc/intel/braswell/chip.h
index 0f3c1d0..acbfee0 100644
--- a/src/soc/intel/braswell/chip.h
+++ b/src/soc/intel/braswell/chip.h
@@ -135,6 +135,7 @@ struct soc_intel_braswell_config {
 	UINT8  PMIC_I2CBus;
 	UINT8  ISPEnable;
 	UINT8  ISPPciDevConfig;
+	UINT8  PcdSdDetectChk; /*Enable\Disable SD Card Detect Simulation*/
 };
 
 extern struct chip_operations soc_intel_braswell_ops;



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