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authorYork Yang <york.yang@intel.com>2015-01-05 10:04:45 -0700
committerMartin Roth <gaumless@gmail.com>2015-01-31 23:09:26 +0100
commite1e11e63afab8e461ac7e6466c9a7f9f47a10702 (patch)
tree4f9587be74905d98c8f2ab071acbb8369613b687 /src/northbridge
parent9cd155334baa28331f2cf2e6e7bf57c912d7a731 (diff)
intel/rangeley: Update UPD_DATA_REGION to support POST-GOLD 2 FSP
Rangeley POST-GOLD 2 FSP added PCIe ports de-emphasis configuration by UPD input. Update UPD_DATA_REGION structure for matching up this FSP change. PcdCustomerRevision is a debugging aid that will be output to debug message in FSP. When needed, it can be customized by BCT tool for tracking BCT configurations. Change-Id: I6d4138c9d8bbb9c89f24c77f976dbc760d626a9b Signed-off-by: York Yang <york.yang@intel.com> Reviewed-on: http://review.coreboot.org/8107 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <gaumless@gmail.com>
Diffstat (limited to 'src/northbridge')
-rw-r--r--src/northbridge/intel/fsp_rangeley/chip.h10
-rw-r--r--src/northbridge/intel/fsp_rangeley/fsp/chipset_fsp_util.c7
2 files changed, 17 insertions, 0 deletions
diff --git a/src/northbridge/intel/fsp_rangeley/chip.h b/src/northbridge/intel/fsp_rangeley/chip.h
index 80a22bf1ea..d3828c7764 100644
--- a/src/northbridge/intel/fsp_rangeley/chip.h
+++ b/src/northbridge/intel/fsp_rangeley/chip.h
@@ -2,6 +2,7 @@
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2008 coresystems GmbH
+ * Copyright (C) 2015 Intel Corporation
*
* 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
@@ -57,6 +58,15 @@ struct northbridge_intel_fsp_rangeley_config {
#define BIFURCATION_8_8 3
#define BIFURCATION_16 4
uint8_t Bifurcation;
+
+ /* PCIe port de-emphasis control */
+ #define DE_EMPHASIS_DEFAULT 0
+ #define DE_EMPHASIS_MINUS_6_0_DB 1
+ #define DE_EMPHASIS_MINUS_3_5_DB 2
+ uint8_t PcdPcieRootPort1DeEmphasis;
+ uint8_t PcdPcieRootPort2DeEmphasis;
+ uint8_t PcdPcieRootPort3DeEmphasis;
+ uint8_t PcdPcieRootPort4DeEmphasis;
};
#endif
diff --git a/src/northbridge/intel/fsp_rangeley/fsp/chipset_fsp_util.c b/src/northbridge/intel/fsp_rangeley/fsp/chipset_fsp_util.c
index ae95087f85..3f8690a388 100644
--- a/src/northbridge/intel/fsp_rangeley/fsp/chipset_fsp_util.c
+++ b/src/northbridge/intel/fsp_rangeley/fsp/chipset_fsp_util.c
@@ -2,6 +2,7 @@
* This file is part of the coreboot project.
*
* Copyright (C) 2013-2014 Sage Electronic Engineering, LLC.
+ * Copyright (C) 2015 Intel Corporation
*
* 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
@@ -143,6 +144,12 @@ static void ConfigureDefaultUpdData(UPD_DATA_REGION *UpdData)
break;
}
}
+
+ /* Set PCIe de-emphasis */
+ UPD_DEFAULT_CHECK(PcdPcieRootPort1DeEmphasis);
+ UPD_DEFAULT_CHECK(PcdPcieRootPort2DeEmphasis);
+ UPD_DEFAULT_CHECK(PcdPcieRootPort3DeEmphasis);
+ UPD_DEFAULT_CHECK(PcdPcieRootPort4DeEmphasis);
}
/* Set up the Rangeley specific structures for the call into the FSP */