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Diffstat (limited to 'src/hwpf/include/hw_access.H')
| -rw-r--r-- | src/hwpf/include/hw_access.H | 603 |
1 files changed, 603 insertions, 0 deletions
diff --git a/src/hwpf/include/hw_access.H b/src/hwpf/include/hw_access.H new file mode 100644 index 00000000..53ad6b14 --- /dev/null +++ b/src/hwpf/include/hw_access.H @@ -0,0 +1,603 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/hwpf/include/hw_access.H $ */ +/* */ +/* OpenPOWER sbe Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2012,2016 */ +/* */ +/* */ +/* Licensed under the Apache License, Version 2.0 (the "License"); */ +/* you may not use this file except in compliance with the License. */ +/* You may obtain a copy of the License at */ +/* */ +/* http://www.apache.org/licenses/LICENSE-2.0 */ +/* */ +/* Unless required by applicable law or agreed to in writing, software */ +/* distributed under the License is distributed on an "AS IS" BASIS, */ +/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */ +/* implied. See the License for the specific language governing */ +/* permissions and limitations under the License. */ +/* */ +/* IBM_PROLOG_END_TAG */ +/** + * @file hw_access.H + * +* @brief Defines the hardware access functions that platform code must + * implement. + */ + +#ifndef FAPI2_HWACCESS_H_ +#define FAPI2_HWACCESS_H_ + + +// variable_buffer isn't supported on PPE +#ifndef __PPE__ +#include <variable_buffer.H> +#endif + +#include <utils.H> +#include <plat_hw_access.H> +#include <fapi2_hw_access.H> +#include "plat_ring_traverse.H" // for findRS4InImageAndApply + +namespace fapi2 +{ + + //-------------------------------------------------------------------------- + // PIB Error Functions + //-------------------------------------------------------------------------- + + /// @brief Sets the PIB error mask - platform dependant + /// @param[in] i_mask The new error mask + void setPIBErrorMask(uint8_t i_mask) + { + PLAT_SET_PIB_ERROR_MASK(i_mask); + } + + /// @brief Gets the PIB error mask - platform dependant + /// @return uint8_t The current PIB error mask + uint8_t getPIBErrorMask(void) + { + PLAT_GET_PIB_ERROR_MASK(o_pib_mask); + return o_pib_mask; + } + + //-------------------------------------------------------------------------- + // Operational Mode Error Functions + //-------------------------------------------------------------------------- + + /// @brief Sets the operational mode + /// @param[in] i_mode The new mode + // note: this can be moved to a C file if desired + inline void setOpMode(const OpModes i_mode) + { + // Keeps the compiler from complaining about the unused i_mode + static_cast<void>(i_mode); + + // No-op for now. Should set thread-local operational mode + return; + } + + /// @brief Gets the operational mode + /// @return the operational mode + // note: this can be moved to a C file if desired + inline OpModes getOpMode(void) + { + // No-op for now. Should read thread-local operational mode + return NORMAL; + } + + //-------------------------------------------------------------------------- + // HW Communication Functions + //-------------------------------------------------------------------------- + + /// @brief Reads a SCOM register from a chip. + /// @tparam K template parameter, passed in target. + /// @param[in] i_target HW target to operate on. + /// @param[in] i_address SCOM register address to read from. + /// @param[out] o_data Buffer that holds data read from HW target. + /// @return fapi::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. + template< TargetType K, typename V > + __attribute__((always_inline)) + inline ReturnCode getScom(const Target<K, V>& i_target, const uint64_t i_address, + buffer<uint64_t>& o_data) + { + fapi2::ReturnCode l_rc; + PLAT_GETSCOM(l_rc, + i_target, + i_address, + &(o_data())); + + return l_rc; + } + + /// @brief Writes a SCOM register on a chip. + /// @tparam K template parameter, passed in target. + /// @param[in] i_target HW target to operate on. + /// @param[in] i_address SCOM register address to write to. + /// @param[in] i_data Buffer that holds data to write into address. + /// @return fapi::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. + template< TargetType K, typename V > + __attribute__((always_inline)) + inline ReturnCode putScom(const Target<K, V>& i_target, const uint64_t i_address, + const buffer<uint64_t> i_data) + { + fapi2::ReturnCode l_rc; + PLAT_PUTSCOM(l_rc, + i_target, + i_address, + i_data()); + + return l_rc; + } + + /// @brief Read-modify-write a SCOM register on a chip + /// @tparam K template parameter, passed in target. + /// @param[in] i_target HW target to operate on. + /// @param[in] i_address SCOM register address to write to. + /// @param[in] i_data Buffer that holds data to be modified. + /// @param[in] i_modifyMode The modify mode (or/and/xor). + /// @return fapi::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. + template< TargetType K, typename V > + inline ReturnCode modifyScom(const Target<K, V>& i_target, + const uint64_t i_address, + const buffer<uint64_t> i_data, + const ChipOpModifyMode i_modifyMode) + { + fapi2::buffer<uint64_t> l_modifyDataBuffer; + + fapi2::ReturnCode l_rc; + PLAT_GETSCOM(l_rc, + i_target, + (uint32_t)(i_address & BITS(40,24)), + &(l_modifyDataBuffer())); + if (l_rc) goto __fapi2exit__; + + if ( i_modifyMode == CHIP_OP_MODIFY_MODE_OR) + { + l_modifyDataBuffer |= i_data; + } + + if ( i_modifyMode == CHIP_OP_MODIFY_MODE_AND) + { + l_modifyDataBuffer &= i_data; + } + + if ( i_modifyMode == CHIP_OP_MODIFY_MODE_XOR) + { + l_modifyDataBuffer ^= i_data; + } + + PLAT_PUTSCOM(l_rc, + i_target, + (uint32_t)(i_address & BITS(40,24)), + l_modifyDataBuffer()); + if (l_rc) goto __fapi2exit__; + + +__fapi2exit__: + return l_rc; + + } + + /// @brief Writes a SCOM register under mask on a chip + /// @tparam K template parameter, passed in target. + /// @param[in] i_target HW target to operate on. + /// @param[in] i_address SCOM register address to write to. + /// @param[in] i_data Buffer that holds data to write into address. + /// @param[in] i_mask Buffer that holds the mask value. + /// @return fapi::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. + template< TargetType K, typename V > + inline ReturnCode putScomUnderMask( const Target<K, V>& i_target, + const uint64_t i_address, + buffer<uint64_t> i_data, + buffer<uint64_t> i_mask) + { + fapi2::buffer<uint64_t> l_modifyDataBuffer = i_data; + + l_modifyDataBuffer &= i_mask; + + fapi2::ReturnCode l_rc; + PLAT_PUTSCOM(l_rc, + i_target, + (uint32_t)(i_address & BITS(40,24)), + l_modifyDataBuffer()); + + return l_rc; + + } + + + /// @brief Reads a CFAM register from a chip. + /// CFAM register is 32-bit wide. + /// @tparam K template parameter, passed in target. + /// @param[in] i_target HW target to operate on. + /// @param[in] i_address CFAM register address to read from. + /// @param[out] o_data Buffer that holds data read from HW target. + /// @return fapi::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. + template< TargetType K, typename V > + inline ReturnCode getCfamRegister(const Target<K, V>& i_target, + const uint32_t i_address, + buffer<uint32_t>& o_data) + { + PLAT_GETCFAM(i_target.get(), + (uint32_t)(i_address & BITS(40,24)), + &(o_data())); + + return FAPI2_RC_SUCCESS; + } + + /// @brief Writes a CFAM register on a chip. + /// CFAM register is 32-bit wide. + /// @tparam K template parameter, passed in target. + /// @param[in] i_target HW target to operate on. + /// @param[in] i_address CFAM register address to write to. + /// @param[in] i_data Buffer that holds data to write into address. + /// @return fapi::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. + template< TargetType K, typename V > + inline ReturnCode putCfamRegister(const Target<K, V>& i_target, + const uint32_t i_address, + buffer<uint32_t>& i_data) + { + PLAT_PUTCFAM(i_target.get(), + (uint32_t)(i_address & BITS(40,24)), + &(i_data())); + + return FAPI2_RC_SUCCESS; + } + + /// @brief Read-modify-write a CFAM register on a chip. + /// CFAM register is 32-bit wide. + /// @tparam K template parameter, passed in target. + /// @param[in] i_target HW target to operate on. + /// @param[in] i_address CFAM register address to modify. + /// @param[in] i_data Buffer that holds data to be modified. + /// @param[in] i_modifyMode The modify mode (or/and/xor). + /// @return fapi::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. + template< TargetType K, typename V > + inline ReturnCode modifyCfamRegister(const Target<K, V>& i_target, + const uint32_t i_address, + const buffer<uint32_t>& i_data, + const ChipOpModifyMode i_modifyMode) + { + PLAT_MODCFAM(i_target.get(), + (uint32_t)(i_address & BITS(40,24)), + &(i_data()), + i_modifyMode); + + return FAPI2_RC_SUCCESS; + } + + /// @brief Platform-level implementation of putRing() + /// Hardware procedures writers will not call this function. + /// @tparam K template parameter, passed in target. + /// @param[in] i_target Target to operate on. + /// @param[in] i_ringID Ring ID that will identify the Ring in the image. + /// @param[in] i_ringMode Ring operation mode. + /// @return fapi::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. + template< TargetType K, typename V > + inline ReturnCode putRing(const Target<K, V>& i_target, + const RingID i_ringID, + const RingMode i_ringMode) + { + ReturnCode l_rc = FAPI2_RC_SUCCESS; + + // Find the RS4 string in the SEEPROM + l_rc = findRS4InImageAndApply(i_target, i_ringID, i_ringMode); + + return l_rc; + } + + // variable_buffer isn't supported on PPE +#ifndef __PPE__ + /// @brief Reads a ring from a chip. + /// @tparam K template parameter, passed in target. + /// @param[in] i_target Target to operate on. + /// @param[in] i_address Ring address to read from. + /// @param[out] o_data Buffer that holds data read from HW target. + /// @param[in] i_ringMode Ring operation mode. + /// @return fapi::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. + template< TargetType K, typename V > + inline ReturnCode getRing(const Target<K, V>& i_target, + const scanRingId_t i_address, + variable_buffer& o_data, + const RingMode i_ringMode = 0) + { + o_data.setBit(0); + o_data.setBit(3); +#ifndef __PPE__ + std::cout << std::hex << " getRing " + << "target: {" << i_target.getType() << "," + << uint64_t(i_target) << "}; " + << "ring address: " << i_address << "; " + << "ring mode: " << i_ringMode << "; " + << "output data:"; + o_data.print(); +#endif + + return FAPI2_RC_SUCCESS; + } + + /// @brief Read-modify-write a ring on a chip. + /// @tparam K template parameter, passed in target. + /// @param[in] i_target Target to operate on. + /// @param[in] i_address Ring address to modify. + /// @param[in] i_data Buffer that contains RS4 compressed ring data + /// to be modified. + /// @param[in] i_modifyMode The modify mode (or/and/xor) + /// @param[in] i_ringMode Ring operation mode. + /// @return fapi::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. + template< TargetType K, typename V > + inline ReturnCode modifyRing(const Target<K, V>& i_target, + const scanRingId_t i_address, + variable_buffer& i_data, + const ChipOpModifyMode i_modifyMode, + const RingMode i_ringMode = 0) + { + + return FAPI2_RC_SUCCESS; + } +#endif + + +#ifdef FAPI_SUPPORT_MULTI_SCOM + /// @brief Performs a multiple SCOM operation + /// This interface performs multiple SCOM operations on a chip in the + /// order specified by the input MultiScom object. + /// See fapiMultiScom.H for details of how to populate the MultiScom + /// object with SCOM operations. + /// + /// @tparam K template parameter, passed in target. + /// @param[in] i_target Target to operate on. + /// @param[in,out] io_multiScomObj Reference to a MultiScom object, + /// pre-populated with SingleScomInfo entries + /// to perform multiple SCOMs on input target + /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. + /// + /// @note This is a synchronous interface and would return after all the + /// SCOM operations are completed or on the first failed operation + /// + /// @note SCOMs will be performed in the order they were added to the + /// input MultiScom object + /// + /// @note In case of errors, the platform code is responsible to collect + /// and add all the required error info and FFDC into the error data + /// for debugging + /// + /// @note If the SCOM operations added are specific to a processor chip, + /// then the FSI Shift Engine configured in scatter-gather DMA mode + /// extension would be used to execute the SCOM operations in a + /// performance optimize mode. In this mode, the special + /// SCOM_BULK_READ_MODE and SCOM_BULK_WRITE_MODE operations are + /// supported that allow a large bulk of SCOM access (in multiple of + /// 64 bits) for targets that support auto-increment. The + /// SCOM_WRITE_UNDER_MASK operation is not supported in this mode + /// + /// @note If the SCOM operations added are specific to a memory buffer + /// chip, then the regular SCOM engine is used to execute the SCOM + /// operations. SCOM_WRITE_UNDER_MASK operation is supported in + /// this mode, but the special SCOM_BULK_READ_MODE and + /// SCOM_BULK_WRITE_MODE operations are not supported due to + /// hardware limitations. + /// + template< TargetType K, typename V > + fapi2::ReturnCode multiScom (const Target<K, V>& i_target, + MultiScom& io_multiScomObj) + { + } +#endif + + // -------------------------------------------------------------------------- + // NOTE: + // Implement platform Spy access functions if platform supports them. + // -------------------------------------------------------------------------- + + // variable_buffer isn't supported on PPE +#ifndef __PPE__ + /// @brief Reads a spy from a chip. + /// @tparam K template parameter, passed in target. + /// @param[in] i_target Target to operate on. + /// @param[in] i_spyId Id of the spy whose data to be read. + /// @param[out] o_data Buffer that holds data read from HW target. + /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. + /// + /// @note: The string version is only supported for cronus. + /// + /// The fapi design to support both FSP and cronus use of get and + /// put spy functions is dependant on the SPY names being expanded + /// to resemble a valid C identifier. This design places some + /// restrictions on the SPY names which can be used. + /// + /// 1. if the spy name contains a # procedure writers should replace + /// it with an __P__ for example - + /// + /// ABUS.RX0.RXPACKS#0.RXPACK.RD.LC.LC.ACT_DIS + /// becomes + /// ABUS.RX0.RXPACKS__P__0.RXPACK.RD.LC.LC.ACT_DIS + /// + /// 2. if the spy name has a number following a "." it must have an + /// underscore prepended to the number. + /// + /// EH.TPCHIP.2KX100_ARY_CLK_EDGES_DLY + /// becomes + /// EH.TPCHIP._2KX100_ARY_CLK_EDGES_DLY + /// + /// Example SPY name: + /// The hardware procedure should call the function like: + /// + /// ABUS.RX0.RXPACKS#0.RXPACK.RD.LC.LC.ACT_DIS + /// + /// fapi2::ReturnCode rc = fapiGetSpy( targ, + /// ABUS.RX0.RXPACKS__P__0.RXPACK.RD.LC.LC.ACT_DIS, data ); + /// + /// @note The ID is not in quotes the fapi code will handle adding + /// the quotes for the cronus environment + /// +#ifdef FAPI_SUPPORT_SPY_AS_ENUM + template< TargetType K, typename V > + inline ReturnCode getSpy(const Target<K, V>& i_target, + const spyId_t i_spyId, + variable_buffer& o_data) + { + static_assert(K == 0, "implement getSpy (string)"); + return ~FAPI2_RC_SUCCESS; + } +#endif +#ifdef FAPI_SUPPORT_SPY_AS_STRING + template< TargetType K, typename V > + inline ReturnCode getSpy(const Target<K, V>& i_target, + const char * const i_spyId, + variable_buffer& o_data) + { + static_assert(K == 0, "implement getSpy (string)"); + return ~FAPI2_RC_SUCCESS; + } +#endif + /// @brief Writes a spy on a chip. + /// @tparam K template parameter, passed in target. + /// @param[in] i_target Target to operate on. + /// @param[in] i_spyId Id of the spy to write data to. + /// @param[out] i_data Buffer that holds data to write into spy. + /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. + /// + /// @note: The string version is only supported for cronus. + /// + /// The fapi design to support both FSP and cronus use of get and + /// put spy functions is dependent on the SPY names being expanded + /// to resemble a valid C identifier. This design places some + /// restrictions on the SPY names which can be used. + /// + /// 1. if the spy name contains a # procedure writers should replace + /// is with an __P__ for example - + /// + /// ABUS.RX0.RXPACKS#0.RXPACK.RD.LC.LC.ACT_DIS + /// becomes + /// ABUS.RX0.RXPACKS__P__0.RXPACK.RD.LC.LC.ACT_DIS + /// + /// 2. if the spy name has a number following a "." it must have an + /// underscore prepended to the number. + /// + /// EH.TPCHIP.2KX100_ARY_CLK_EDGES_DLY + /// becomes + /// EH.TPCHIP._2KX100_ARY_CLK_EDGES_DLY + /// + /// Example SPY name: + /// The hardware procedure should call the function like: + /// + /// ABUS.RX0.RXPACKS#0.RXPACK.RD.LC.LC.ACT_DIS + /// + /// fapi2::ReturnCode rc = fapiPutSpy( targ, + /// ABUS.RX0.RXPACKS__P__0.RXPACK.RD.LC.LC.ACT_DIS, data ); + /// + /// @note The ID is not in quotes the fapi code will handle adding + /// the quotes for the cronus environment + /// +#ifdef FAPI_SUPPORT_SPY_AS_ENUM + template< TargetType K, typename V > + inline ReturnCode putSpy(const Target<K, V>& i_target, + const spyId_t i_spyId, + variable_buffer& i_data) + { + static_assert(K == 0, "implement putSpy (enum)"); + return ~FAPI2_RC_SUCCESS; + } +#endif +#ifdef FAPI_SUPPORT_SPY_AS_STRING + template< TargetType K, typename V > + inline ReturnCode putSpy(const Target<K, V>& i_target, + const char* const i_spyId, + variable_buffer& i_data) + { + static_assert(K == 0, "implement putSpy (string)"); + return ~FAPI2_RC_SUCCESS; + } +#endif + /// @brief Writes spy data into a buffer holding ring data image + /// This API is used by L2/L3 repair to put column repair data + /// into a ring buffer image. + /// @tparam K template parameter, passed in target. + /// @param[in] i_target Target to operate on. + /// @param[in] i_spyId Id of the spy. + /// @param[in] i_data Buffer that holds spy data to write into ring + /// image. + /// @param[out] o_data Buffer that holds updated ring image. + /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. + /// + /// @note: The string version is only supported for cronus. + /// + /// The fapi design to support both FSP and cronus use of get and + /// put spy functions is dependent on the SPY names being expanded + /// to resemble a valid C identifier. This design places some + /// restrictions on the SPY names which can be used. + /// + /// See fapiPutSpy for details on spy id specifics. + /// +#ifdef FAPI_SUPPORT_SPY_AS_ENUM + template< TargetType K, typename V > + inline ReturnCode putSpyImage(const Target<K, V>& i_target, + const spyId_t i_spyId, + const variable_buffer& i_data, + variable_buffer& o_imageData) + { + static_assert(K == 0, "implement putSpyImage (enum)"); + return ~FAPI2_RC_SUCCESS; + } +#endif +#ifdef FAPI_SUPPORT_SPY_AS_STRING + template< TargetType K, typename V > + inline ReturnCode putSpyImage(const Target<K, V>& i_target, + const char* const i_spyId, + const variable_buffer& i_data, + variable_buffer& o_imageData) + { + static_assert(K == 0, "implement putSpyImage (string)"); + return ~FAPI2_RC_SUCCESS; + } +#endif + /// @brief Reads spy data from a ring image buffer + /// @param[in] i_target Target to operate on + /// @param[in] i_spyId The spy's id + /// @param[out] o_data Buffer that holds data read from ring image. + /// @param[in] i_imageData Buffer that holds ring image to read data + /// from. + /// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. + /// + /// @note: The string version is only supported for cronus. + /// + /// The fapi design to support both FSP and cronus use of get and + /// put spy functions is dependent on the SPY names being expanded + /// to resemble a valid C identifier. This design places some + /// restrictions on the SPY names which can be used. + /// + /// See fapiPutSpy for details on spy id specifics. + /// +#ifdef FAPI_SUPPORT_SPY_AS_ENUM + template< TargetType K, typename V > + inline ReturnCode getSpyImage(const Target<K, V>& i_target, + const spyId_t i_spyId, + variable_buffer& o_data, + const variable_buffer& i_imageData) + { + static_assert(K == 0, "implement getSpyImage (enum)"); + return ~FAPI2_RC_SUCCESS; + } +#endif +#ifdef FAPI_SUPPORT_SPY_AS_STRING + template< TargetType K, typename V > + inline ReturnCode getSpyImage(const Target<K, V>& i_target, + const char * const i_spyId, + variable_buffer& o_data, + const variable_buffer& i_imageData) + { + static_assert(K == 0, "implement getSpyImage (string)"); + return ~FAPI2_RC_SUCCESS; + } +#endif + +#endif // PPE + +}; + +#endif // _FAPI2_HWACCESS_H_ |
