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authorShakeeb <shakeebbk@in.ibm.com>2016-08-27 10:50:49 -0500
committerSachin Gupta <sgupta2m@in.ibm.com>2016-08-30 06:01:06 -0400
commitf2d94b5f809410300fe10dc9d0786790018463a0 (patch)
tree467f90297b0eb7c5c6672653d778ed4734c0d5a3 /src/hwpf/include/plat/plat_hw_access.H
parent49b557dcae32250e8e06c4de895c0b7ba0e8009e (diff)
downloadtalos-sbe-f2d94b5f809410300fe10dc9d0786790018463a0.tar.gz
talos-sbe-f2d94b5f809410300fe10dc9d0786790018463a0.zip
SBE code restructure: sbe -> src rename
Change-Id: I6e4378d0e71a00ed2b239658d43f180df2a9b748 RTC:159709 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/28875 Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: RAJA DAS <rajadas2@in.ibm.com> Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>
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+/* IBM_PROLOG_BEGIN_TAG */
+/* This is an automatically generated prolog. */
+/* */
+/* $Source: src/hwpf/include/plat/plat_hw_access.H $ */
+/* */
+/* OpenPOWER sbe Project */
+/* */
+/* Contributors Listed Below - COPYRIGHT 2015,2016 */
+/* */
+/* */
+/* 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 plat_hw_access.H
+ *
+ * @brief Define platform specific calls for hardware accesses.
+ */
+
+#ifndef PLATHWACCESS_H_
+#define PLATHWACCESS_H_
+
+#include <plat_includes.H>
+#include "hw_access_def.H"
+#include <return_code.H>
+
+
+/// PIB Error Mask
+
+#define PLAT_SET_PIB_ERROR_MASK(_m_mask) \
+ { /* Read MSR */ \
+ uint32_t msr_data = mfmsr(); \
+ /* Set SEM field */ \
+ msr_data &= ~(BITS(0,8)); \
+ msr_data |= (uint32_t)(i_mask << 24); \
+ /* Write MSR */ \
+ mtmsr(msr_data); \
+ };
+
+#define PLAT_GET_PIB_ERROR_MASK(_m_mask) \
+ uint8_t _m_mask; \
+ uint32_t _sem = mfmsr(); \
+ _m_mask = (uint8_t)((_sem & MSR_SEM) >> (32-(MSR_SEM_START_BIT + MSR_SEM_LEN)));
+
+// Building block PPE instructions
+#define PPE_MFMSR(_m_data) \
+asm volatile \
+ ( \
+ "mfmsr %[data] \n" \
+ : [data]"=&r"(*_m_data) \
+ : "[data]"(*_m_data) \
+ );
+
+#define PPE_MTMSR(_m_data) \
+asm volatile \
+ ( \
+ "mtmsr %[data] \n" \
+ : [data]"=&r"(*_m_data) \
+ : "[data]"(*_m_data) \
+ );
+
+/// GetScom
+#define PLAT_GETSCOM(_m_rc, _m_base, _m_offset, _m_data) \
+ _m_rc = fapi2::getscom_abs_wrap(getEffectiveAddress(_m_base, _m_offset), _m_data)
+
+/// PutScom
+#define PLAT_PUTSCOM(_m_rc, _m_base, _m_offset, _m_data) \
+ _m_rc = fapi2::putscom_abs_wrap(getEffectiveAddress(_m_base, _m_offset), _m_data)
+
+/// GetCFAM
+#define PLAT_GETCFAM(_m_base, _m_offset, _m_data) \
+ static_assert( K == TARGET_TYPE_NONE, \
+ "getCfamRegister is not supported by PPE platforms")
+
+/// PutCFAM
+#define PLAT_PUTCFAM(_m_base, _m_offset, _m_data) \
+ static_assert( K == TARGET_TYPE_NONE, \
+ "putCfamRegister is not supported by PPE platforms")
+
+/// ModifyCFAM
+#define PLAT_MODCFAM(_m_base, _m_offset, _m_data, _m_mode) \
+ static_assert( K == TARGET_TYPE_NONE, \
+ "modifyCfamRegister is not supported by PPE platforms")
+
+namespace fapi2
+{
+ // This function loads the scan region data for the given ring address and
+ // updates the check word data
+ // @param[in] : ring addtress
+ // @param[in]: ring mode
+ // @return fapi::ReturnCode. FAPI2_RC_SUCCESS if success, else error code.
+ fapi2::ReturnCode getRing_setup(const uint32_t i_ringAddress,
+ const fapi2::RingMode i_ringMode);
+
+ // This function read the 64 bit data from the hardware
+ // @param[in] i_ringAddress - absolute ring address
+ // @param [out]: 64 bit data
+ // @param [in] i_bitShiftValue - Bit shift value that needs to rotate
+ // @note- If the ring length is divisble by 64, then bitshift will always be
+ // 64, else need to store the ring_length mod 64 and send that value in the
+ // last iteration.
+ // @return fapi::ReturnCode. FAPI2_RC_SUCCESS if success, else error code.
+ fapi2::ReturnCode getRing_granule_data(const uint32_t i_ringAddress,
+ uint64_t *o_data,
+ const uint32_t i_bitShiftValue);
+
+ // This function verify the check word data is matching or not and will
+ // clean up the scan region data
+ // @param[in] i_ringAddress - absolute ring address
+ // @param[in] i_ringMode - Ring mode value
+ // @return fapi::ReturnCode. FAPI2_RC_SUCCESS if success, else error code.
+ fapi2::ReturnCode getRing_verifyAndcleanup(const uint32_t i_ringAddress,
+ const fapi2::RingMode i_ringMode);
+
+ ///
+ /// @brief Platform wrapper over PK getscom_abs
+ ///
+ /// @param [in] i_addr The SCOM address
+ /// @param [out] o_data The data read
+ ///
+ /// @return PCB-PIB return code
+ ///
+ uint32_t getscom_abs_wrap(const uint32_t i_addr, uint64_t *o_data);
+
+ ///
+ /// @brief Platform wrapper over PK putscom_abs
+ ///
+ /// @param [in] i_addr The SCOM address
+ /// @param [in] i_data The data read
+ ///
+ /// @return PCB-PIB return code
+ ///
+ uint32_t putscom_abs_wrap(const uint32_t i_addr, uint64_t i_data);
+}
+
+
+#endif // PLATHWACCESS_H_
+
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