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authorWonkyu Kim <wonkyu.kim@intel.com>2020-04-07 20:45:28 -0700
committerPatrick Georgi <pgeorgi@google.com>2020-04-14 09:52:16 +0000
commit59431176471beac2e074cf0ebca50c98c1ab50c8 (patch)
treef350d86c863125d2d5ad862be42d68212c40ab08 /src/soc/intel
parentba41ee1f0a74cf6b0ed0c068b6560e60f7d760eb (diff)
soc/intel/tigerlake: Configure RP setting
Add LTR and AER configuration to the root ports config. BUG=b:151166040 TEST= build and boot volteer and check LTR and AER value from FSP log Signed-off-by: Wonkyu Kim <wonkyu.kim@intel.com> Change-Id: I668f2e5fea15019a9e5ae06fb4d55fa2aea69e8a Reviewed-on: https://review.coreboot.org/c/coreboot/+/40262 Reviewed-by: Srinidhi N Kaushik <srinidhi.n.kaushik@intel.com> Reviewed-by: Nick Vaccaro <nvaccaro@google.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel')
-rw-r--r--src/soc/intel/tigerlake/chip.h6
-rw-r--r--src/soc/intel/tigerlake/fsp_params.c7
2 files changed, 11 insertions, 2 deletions
diff --git a/src/soc/intel/tigerlake/chip.h b/src/soc/intel/tigerlake/chip.h
index e105061872..bc6c3db726 100644
--- a/src/soc/intel/tigerlake/chip.h
+++ b/src/soc/intel/tigerlake/chip.h
@@ -118,6 +118,12 @@ struct soc_intel_tigerlake_config {
L1_SS_L1_2,
} PcieRpL1Substates[CONFIG_MAX_ROOT_PORTS];
+ /* PCIe LTR: Enable (1) / Disable (0) */
+ uint8_t PcieRpLtrEnable[CONFIG_MAX_ROOT_PORTS];
+
+ /* PCIE RP Advanced Error Report: Enable (1) / Disable (0) */
+ uint8_t PcieRpAdvancedErrorReporting[CONFIG_MAX_ROOT_PORTS];
+
/* SMBus */
uint8_t SmbusEnable;
diff --git a/src/soc/intel/tigerlake/fsp_params.c b/src/soc/intel/tigerlake/fsp_params.c
index ff6d3a978a..231399c676 100644
--- a/src/soc/intel/tigerlake/fsp_params.c
+++ b/src/soc/intel/tigerlake/fsp_params.c
@@ -122,10 +122,13 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
}
/* RP Configs */
- for (i = 0; i < CONFIG_MAX_ROOT_PORTS; i++)
+ for (i = 0; i < CONFIG_MAX_ROOT_PORTS; i++) {
params->PcieRpL1Substates[i] =
get_l1_substate_control(config->PcieRpL1Substates[i]);
-
+ params->PcieRpLtrEnable[i] = config->PcieRpLtrEnable[i];
+ params->PcieRpAdvancedErrorReporting[i] =
+ config->PcieRpAdvancedErrorReporting[i];
+ }
/* Enable xDCI controller if enabled in devicetree and allowed */
dev = pcidev_on_root(PCH_DEV_SLOT_XHCI, 1);
if (dev) {