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authorJamie Chen <jamie.chen@intel.com>2020-01-15 11:17:21 +0800
committerPatrick Georgi <pgeorgi@google.com>2020-01-18 11:20:12 +0000
commitc004857da06dd90be9a1ac34bd6efe2bc03fed6a (patch)
tree47f4043e511b22b72c1d3c7385ecb2c09f1f2737 /src/soc
parent1d8568c91413c76ee147bf6c09ae87197f7e75d7 (diff)
downloadcoreboot-c004857da06dd90be9a1ac34bd6efe2bc03fed6a.tar.xz
soc/intel/cannonlake: Add chip config for SATA strength
Add config to chip.h for tuning SATA gen3 strength. BUG=b:147351936 BRANCH=none TEST=build successful in puff Change-Id: I4dcd23834fa3c01c1d88697a7bb8cf361709b62e Signed-off-by: Jamie Chen <jamie.chen@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/38432 Reviewed-by: Edward O'Callaghan <quasisec@chromium.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/intel/cannonlake/chip.h5
-rw-r--r--src/soc/intel/cannonlake/include/soc/sata.h32
-rw-r--r--src/soc/intel/cannonlake/romstage/fsp_params.c22
3 files changed, 59 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/chip.h b/src/soc/intel/cannonlake/chip.h
index 07a67cd630..0712146544 100644
--- a/src/soc/intel/cannonlake/chip.h
+++ b/src/soc/intel/cannonlake/chip.h
@@ -29,6 +29,7 @@
#include <soc/pci_devs.h>
#include <soc/pm.h>
#include <soc/pmc.h>
+#include <soc/sata.h>
#include <soc/serialio.h>
#include <soc/usb.h>
#include <soc/vr_config.h>
@@ -39,6 +40,7 @@
#endif
#define SOC_INTEL_CML_UART_DEV_MAX 3
+#define SOC_INTEL_CML_SATA_DEV_MAX 8
struct soc_intel_cannonlake_config {
@@ -390,6 +392,9 @@ struct soc_intel_cannonlake_config {
/* SATA Power Optimizer */
uint8_t satapwroptimize;
+ /* SATA Gen3 Strength */
+ struct sata_port_config sata_port[SOC_INTEL_CML_SATA_DEV_MAX];
+
/* Enable or disable eDP device */
uint8_t DdiPortEdp;
diff --git a/src/soc/intel/cannonlake/include/soc/sata.h b/src/soc/intel/cannonlake/include/soc/sata.h
new file mode 100644
index 0000000000..17802c3412
--- /dev/null
+++ b/src/soc/intel/cannonlake/include/soc/sata.h
@@ -0,0 +1,32 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2020 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
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+
+#ifndef _SOC_SATA_H_
+#define _SOC_SATA_H_
+
+#include <stdint.h>
+
+/* SATA Gen3 strength */
+struct sata_port_config {
+ uint8_t RxGen3EqBoostMagEnable;
+ uint8_t RxGen3EqBoostMag;
+ uint8_t TxGen3DownscaleAmpEnable;
+ uint8_t TxGen3DownscaleAmp;
+ uint8_t TxGen3DeEmphEnable;
+ uint8_t TxGen3DeEmph;
+};
+
+#endif
diff --git a/src/soc/intel/cannonlake/romstage/fsp_params.c b/src/soc/intel/cannonlake/romstage/fsp_params.c
index 5c74d4a1e0..3c5be301b8 100644
--- a/src/soc/intel/cannonlake/romstage/fsp_params.c
+++ b/src/soc/intel/cannonlake/romstage/fsp_params.c
@@ -101,6 +101,28 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, const config_t *config)
dev = pcidev_path_on_root(SA_DEVFN_IPU);
if (dev)
m_cfg->SaIpuEnable = dev->enabled;
+
+ /* SATA Gen3 strength */
+ for (i = 0; i < SOC_INTEL_CML_SATA_DEV_MAX; i++) {
+ if (config->sata_port[i].RxGen3EqBoostMagEnable) {
+ m_cfg->PchSataHsioRxGen3EqBoostMagEnable[i] =
+ config->sata_port[i].RxGen3EqBoostMagEnable;
+ m_cfg->PchSataHsioRxGen3EqBoostMag[i] =
+ config->sata_port[i].RxGen3EqBoostMag;
+ }
+ if (config->sata_port[i].TxGen3DownscaleAmpEnable) {
+ m_cfg->PchSataHsioTxGen3DownscaleAmpEnable[i] =
+ config->sata_port[i].TxGen3DownscaleAmpEnable;
+ m_cfg->PchSataHsioTxGen3DownscaleAmp[i] =
+ config->sata_port[i].TxGen3DownscaleAmp;
+ }
+ if (config->sata_port[i].TxGen3DeEmphEnable) {
+ m_cfg->PchSataHsioTxGen3DeEmphEnable[i] =
+ config->sata_port[i].TxGen3DeEmphEnable;
+ m_cfg->PchSataHsioTxGen3DeEmph[i] =
+ config->sata_port[i].TxGen3DeEmph;
+ }
+ }
}
void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version)