Provide functions to initialize PCIe PHY on Ampere Altra processor.
Cc: Thang Nguyen <th...@os.amperecomputing.com>
Cc: Chuong Tran <chu...@os.amperecomputing.com>
Cc: Phong Vo <ph...@os.amperecomputing.com>
Cc: Leif Lindholm <l...@nuviainc.com>
Cc: Michael D Kinney <michael.d.kin...@intel.com>
Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org>
Cc: Nate DeSimone <nathaniel.l.desim...@intel.com>
Signed-off-by: Vu Nguyen <vungu...@os.amperecomputing.com>
---
Silicon/Ampere/License.txt | 25 +++++
Silicon/Ampere/AmpereAltraBinPkg/AmpereAltraBinPkg.dec | 16 +++
Silicon/Ampere/AmpereAltraBinPkg/Library/PciePhyLib/PciePhyLib.inf | 23 ++++
Silicon/Ampere/AmpereAltraBinPkg/Include/Library/PciePhyLib.h | 111
++++++++++++++++++++
4 files changed, 175 insertions(+)
diff --git a/Silicon/Ampere/License.txt b/Silicon/Ampere/License.txt
new file mode 100644
index 000000000000..27b640bf5ce2
--- /dev/null
+++ b/Silicon/Ampere/License.txt
@@ -0,0 +1,25 @@
+Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
diff --git a/Silicon/Ampere/AmpereAltraBinPkg/AmpereAltraBinPkg.dec
b/Silicon/Ampere/AmpereAltraBinPkg/AmpereAltraBinPkg.dec
new file mode 100644
index 000000000000..32fcd6f6b9d4
--- /dev/null
+++ b/Silicon/Ampere/AmpereAltraBinPkg/AmpereAltraBinPkg.dec
@@ -0,0 +1,16 @@
+## @file
+#
+# Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ DEC_SPECIFICATION = 0x0001001B
+ PACKAGE_NAME = AmpereAltraBinPkg
+ PACKAGE_GUID = 04F7CB64-0F97-4D05-86B8-34987F4E1B21
+ PACKAGE_VERSION = 0.1
+
+[Includes]
+ Include
diff --git a/Silicon/Ampere/AmpereAltraBinPkg/Library/PciePhyLib/PciePhyLib.inf
b/Silicon/Ampere/AmpereAltraBinPkg/Library/PciePhyLib/PciePhyLib.inf
new file mode 100644
index 000000000000..a963b8910649
--- /dev/null
+++ b/Silicon/Ampere/AmpereAltraBinPkg/Library/PciePhyLib/PciePhyLib.inf
@@ -0,0 +1,23 @@
+## @file
+#
+# Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x0001001B
+ BASE_NAME = PciePhyLib
+ FILE_GUID = F2AD0AD0-D4B6-11E3-9C1A-0800200C9A66
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = PciePhyLib
+
+[Binaries.AArch64]
+ LIB|PciePhyLib.lib|*
+
+[Packages]
+ MdePkg/MdePkg.dec
+ ArmPkg/ArmPkg.dec
+ ArmPlatformPkg/ArmPlatformPkg.dec
diff --git a/Silicon/Ampere/AmpereAltraBinPkg/Include/Library/PciePhyLib.h
b/Silicon/Ampere/AmpereAltraBinPkg/Include/Library/PciePhyLib.h
new file mode 100644
index 000000000000..981072c577de
--- /dev/null
+++ b/Silicon/Ampere/AmpereAltraBinPkg/Include/Library/PciePhyLib.h
@@ -0,0 +1,111 @@
+/** @file
+
+ Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef PCIE_PHY_LIB_H_
+#define PCIE_PHY_LIB_H_
+
+#define PHY_TX_PARAM_SIZE 2
+#define PHY_RX_PARAM_SIZE 2
+
+//
+// PCIe PHY error code
+//
+typedef enum {
+ PHY_SRAM_UPDATE_FAIL = -1,
+ PHY_INIT_PASS = 0,
+ PHY_ROM_ECC_FAIL,
+ PHY_SRAM_ECC_FAIL,
+ PHY_CALIB_FAIL,
+ PHY_CALIB_TIMEOUT,
+ PHY_PLL_FAIL
+} PHY_STATUS;
+
+//
+// PCIe PHY debug flags
+//
+typedef enum {
+ PHY_DBG_ERROR = 0x0001,
+ PHY_DBG_INFO = 0x0002,
+ PHY_DBG_WARN = 0x0004,
+ PHY_DBG_VERBOSE = 0x0008,
+ GEN1 = 0,
+ GEN2 = 1,
+ GEN3 = 2,
+ GEN4 = 3,
+ CCIX = 4
+} PHY_DBG_FLAGS;
+
+//
+// PCIe PHY setting structure
+//
+typedef struct {
+ UINT8 IsCalBySram;
+ UINT32 PllSettings;
+ UINT64 TuneTxParam[PHY_RX_PARAM_SIZE];
+ UINT64 TuneRxParam[PHY_TX_PARAM_SIZE];
+} PHY_SETTING;
+
+//
+// PCIe PHY Platform Operations Structure
+//
+// @Puts: Prints string to serial console
+// @PutInt: Prints 32-bit unsigned integer to serial console
+// @PutHex: Prints 32-bit unsigned hex to serial console
+// @PutHex64: Prints 64-bit unsigned hex to serial console
+// @DebugPrint: Prints formated string to serial console
+// @MmioRd: Reads 32-bit unsigned integer
+// @MmioWr: Writes 32-bit unsigned integer
+//
+typedef struct {
+ VOID (*Puts)(CONST CHAR8 *Msg);
+ VOID (*PutInt)(UINT32 Val);
+ VOID (*PutHex)(UINT32 Val);
+ VOID (*PutHex64)(UINT64 Val);
+ INT32 (*DebugPrint)(CONST CHAR8 *Fmt, ...);
+ VOID (*MmioRd)(UINT64 Addr, UINT32 *Val);
+ VOID (*MmioWr)(UINT64 Addr, UINT32 Val);
+ VOID (*UsDelay)(UINT32 Val);
+} PHY_PLAT_RESOURCE;
+
+//
+// PCIe PHY context structure
+//
+typedef struct {
+ UINT64 SdsAddr; /* PHY base address */
+ UINT64 PcieCtrlInfo; /* PCIe controller related information
+ * BIT0-1: SoC revision
+ * 0: Ampere Altra
+ * BIT2 : SocketID (0: Socket0, 1:
Socket1)
+ * BIT3 : Reserved
+ * BIT4-6: Root Complex context
(RCA0/1/2/3 or RCB0/4/5/6)
+ * BIT7 : Reserved
+ * BIT8-9: PHY Numbers within RCA/RCB [0
to 3 each controls 4 lane]
+ * 0: x16, 1: x8 , 2:x4, 3: 0x2
+ * BIT10-11 : Gen
+ * 0: Gen1, 1: Gen2, 2: Gen3, 3:
Gen4 + ESM
+ * BIT13-15 : Setting configuration
selection
+ */
+ PHY_SETTING PhySetting; /* PHY input setting */
+ PHY_PLAT_RESOURCE *PhyPlatResource; /* Debug & misc function pointers */
+ PHY_DBG_FLAGS Debug;
+} PHY_CONTEXT;
+
+/**
+ Function to initial clock and reset setting of the PCIe PHY.
+
+ @param[in] Ctx A pointer to the PHY context structure.
+
+ @retval PHY_INIT_PASS PHY has been initialized.
+ @retval Other Failed to initialize the PHY.
+**/
+PHY_STATUS
+SerdesInitClkrst (
+ IN PHY_CONTEXT *Ctx
+ );
+
+#endif
--
2.17.1
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