148 lines
5.1 KiB
C
148 lines
5.1 KiB
C
/******************************************************************************
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* Copyright (c) 2014 - 2021 Xilinx, Inc. All rights reserved.
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* SPDX-License-Identifier: MIT
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******************************************************************************/
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/*****************************************************************************/
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/**
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*
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* @file xplatform_info.c
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* @addtogroup common_platform_info Hardware Platform Information
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* @{
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* This file contains information about hardware for which the code is built
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*
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* <pre>
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* MODIFICATION HISTORY:
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*
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* Ver Who Date Changes
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* ----- ---- -------- -------------------------------------------------------
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* 5.00 pkp 12/15/14 Initial release
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* 5.04 pkp 01/12/16 Added platform information support for Cortex-A53 32bit
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* mode
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* 6.00 mus 17/08/16 Removed unused variable from XGetPlatform_Info
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* 6.4 ms 05/23/17 Added PSU_PMU macro to support XGetPSVersion_Info
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* function for PMUFW.
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* ms 06/13/17 Added PSU_PMU macro to provide support of
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* XGetPlatform_Info function for PMUFW.
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* mus 08/17/17 Add EL1 NS mode support for
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* XGet_Zynq_UltraMp_Platform_info and XGetPSVersion_Info
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* APIs.
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* 7.0 aru 03/15/19 Check for versal before aarch64 and armr5
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* in XGetPlatform_Info()
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* 7.2 adk 08/01/20 Added versal support for the XGetPSVersion_Info function.
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* 7.6 mus 08/23/21 Updated prototypes for functions which are not taking any
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* arguments with void keyword. This has been done to fix
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* compilation warnings with "-Wstrict-prototypes" flag.
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* It fixes CR#1108601.
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* 7.6 mus 08/30/21 Updated flag checking to fix compilation warnings
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* reported with "-Wundef" flag. It fixes CR#1108601.
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* 7.7 mus 11/02/21 Updated XGet_Zynq_UltraMp_Platform_info and
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* XGetPSVersion_Info to fix compilation warning
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* reported with "-Wundef" flag CR#1111453
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* </pre>
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*
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******************************************************************************/
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/***************************** Include Files *********************************/
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#include "xil_types.h"
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#include "xil_io.h"
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#include "xplatform_info.h"
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#if defined (__aarch64__)
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#include "bspconfig.h"
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#include "xil_smc.h"
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#endif
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/************************** Constant Definitions *****************************/
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/**************************** Type Definitions *******************************/
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/***************** Macros (Inline Functions) Definitions *********************/
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/************************** Variable Definitions *****************************/
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/************************** Function Prototypes ******************************/
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/*****************************************************************************/
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/**
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*
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* @brief This API is used to provide information about platform
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*
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* @return The information about platform defined in xplatform_info.h
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*
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******************************************************************************/
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u32 XGetPlatform_Info(void)
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{
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#if defined (versal)
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return XPLAT_VERSAL;
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#elif defined (ARMR5) || defined (__aarch64__) || defined (ARMA53_32) || defined (PSU_PMU)
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return XPLAT_ZYNQ_ULTRA_MP;
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#elif defined (__microblaze__)
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return XPLAT_MICROBLAZE;
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#else
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return XPLAT_ZYNQ;
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#endif
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}
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/*****************************************************************************/
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/**
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*
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* @brief This API is used to provide information about zynq ultrascale MP platform
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*
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* @return The information about zynq ultrascale MP platform defined in
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* xplatform_info.h
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*
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******************************************************************************/
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#if defined (ARMR5) || defined (__aarch64__) || defined (ARMA53_32)
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u32 XGet_Zynq_UltraMp_Platform_info(void)
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{
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#if defined (__aarch64__) && (EL1_NONSECURE == 1)
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XSmc_OutVar reg;
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/*
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* This SMC call will return,
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* idcode - upper 32 bits of reg.Arg0
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* version - lower 32 bits of reg.Arg1
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*/
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reg = Xil_Smc(GET_CHIPID_SMC_FID,0,0, 0, 0, 0, 0, 0);
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return (u32)((reg.Arg1 >> XPLAT_INFO_SHIFT) & XPLAT_INFO_MASK);
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#else
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u32 reg;
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reg = ((Xil_In32(XPLAT_PS_VERSION_ADDRESS) >> XPLAT_INFO_SHIFT )
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& XPLAT_INFO_MASK);
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return reg;
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#endif
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}
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#endif
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/*****************************************************************************/
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/**
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*
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* @brief This API is used to provide information about PS Silicon version
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*
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* @return The information about PS Silicon version.
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*
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******************************************************************************/
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#if defined (ARMR5) || defined (__aarch64__) || defined (ARMA53_32) || defined (PSU_PMU) || defined (versal)
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u32 XGetPSVersion_Info(void)
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{
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#if defined (__aarch64__) && (EL1_NONSECURE == 1)
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/*
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* This SMC call will return,
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* idcode - upper 32 bits of reg.Arg0
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* version - lower 32 bits of reg.Arg1
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*/
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XSmc_OutVar reg;
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reg = Xil_Smc(GET_CHIPID_SMC_FID,0,0, 0, 0, 0, 0, 0);
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return (u32)((reg.Arg1 & XPS_VERSION_INFO_MASK) >>
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XPS_VERSION_INFO_SHIFT);
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#else
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u32 reg;
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reg = (Xil_In32(XPLAT_PS_VERSION_ADDRESS)
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& XPS_VERSION_INFO_MASK);
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return (reg >> XPS_VERSION_INFO_SHIFT);
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#endif
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}
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#endif
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/** @} */
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