Merge pull request #637 from yatharth-arm/yk/genfw-1134
Add support for ARM Cortex-A73 MPCore Processor
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danh-arm
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/*
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* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __CORTEX_A73_H__
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#define __CORTEX_A73_H__
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/* Cortex-A73 midr for revision 0 */
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#define CORTEX_A73_MIDR 0x410FD090
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/*******************************************************************************
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* CPU Extended Control register specific definitions.
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******************************************************************************/
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#define CORTEX_A73_CPUECTLR_EL1 S3_1_C15_C2_1 /* Instruction def. */
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#define CORTEX_A73_CPUECTLR_SMP_BIT (1 << 6)
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#endif /* __CORTEX_A73_H__ */
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@ -0,0 +1,155 @@
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/*
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* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <arch.h>
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#include <asm_macros.S>
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#include <bl_common.h>
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#include <cortex_a73.h>
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#include <cpu_macros.S>
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#include <plat_macros.S>
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/* ---------------------------------------------
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* Disable L1 data cache
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* ---------------------------------------------
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*/
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func cortex_a73_disable_dcache
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mrs x1, sctlr_el3
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bic x1, x1, #SCTLR_C_BIT
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msr sctlr_el3, x1
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isb
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ret
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endfunc cortex_a73_disable_dcache
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/* ---------------------------------------------
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* Disable intra-cluster coherency
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* ---------------------------------------------
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*/
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func cortex_a73_disable_smp
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mrs x0, CORTEX_A73_CPUECTLR_EL1
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bic x0, x0, #CORTEX_A73_CPUECTLR_SMP_BIT
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msr CORTEX_A73_CPUECTLR_EL1, x0
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isb
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dsb sy
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ret
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endfunc cortex_a73_disable_smp
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func cortex_a73_reset_func
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/* ---------------------------------------------
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* Enable the SMP bit.
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* Clobbers : x0
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* ---------------------------------------------
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*/
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mrs x0, CORTEX_A73_CPUECTLR_EL1
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orr x0, x0, #CORTEX_A73_CPUECTLR_SMP_BIT
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msr CORTEX_A73_CPUECTLR_EL1, x0
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isb
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ret
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endfunc cortex_a73_reset_func
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func cortex_a73_core_pwr_dwn
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mov x18, x30
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/* ---------------------------------------------
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* Turn off caches.
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* ---------------------------------------------
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*/
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bl cortex_a73_disable_dcache
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/* ---------------------------------------------
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* Flush L1 caches.
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* ---------------------------------------------
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*/
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mov x0, #DCCISW
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bl dcsw_op_level1
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/* ---------------------------------------------
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* Come out of intra cluster coherency
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* ---------------------------------------------
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*/
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mov x30, x18
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b cortex_a73_disable_smp
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endfunc cortex_a73_core_pwr_dwn
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func cortex_a73_cluster_pwr_dwn
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mov x18, x30
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/* ---------------------------------------------
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* Turn off caches.
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* ---------------------------------------------
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*/
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bl cortex_a73_disable_dcache
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/* ---------------------------------------------
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* Flush L1 caches.
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* ---------------------------------------------
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*/
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mov x0, #DCCISW
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bl dcsw_op_level1
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/* ---------------------------------------------
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* Disable the optional ACP.
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* ---------------------------------------------
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*/
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bl plat_disable_acp
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/* ---------------------------------------------
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* Flush L2 caches.
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* ---------------------------------------------
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*/
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mov x0, #DCCISW
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bl dcsw_op_level2
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/* ---------------------------------------------
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* Come out of intra cluster coherency
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* ---------------------------------------------
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*/
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mov x30, x18
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b cortex_a73_disable_smp
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endfunc cortex_a73_cluster_pwr_dwn
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/* ---------------------------------------------
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* This function provides cortex_a73 specific
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* register information for crash reporting.
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* It needs to return with x6 pointing to
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* a list of register names in ascii and
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* x8 - x15 having values of registers to be
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* reported.
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* ---------------------------------------------
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*/
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.section .rodata.cortex_a73_regs, "aS"
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cortex_a73_regs: /* The ascii list of register names to be reported */
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.asciz "cpuectlr_el1", ""
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func cortex_a73_cpu_reg_dump
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adr x6, cortex_a73_regs
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mrs x8, CORTEX_A73_CPUECTLR_EL1
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ret
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endfunc cortex_a73_cpu_reg_dump
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declare_cpu_ops cortex_a73, CORTEX_A73_MIDR
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@ -102,7 +102,8 @@ FVP_CPU_LIBS := lib/cpus/aarch64/aem_generic.S \
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lib/cpus/aarch64/cortex_a35.S \
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lib/cpus/aarch64/cortex_a53.S \
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lib/cpus/aarch64/cortex_a57.S \
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lib/cpus/aarch64/cortex_a72.S
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lib/cpus/aarch64/cortex_a72.S \
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lib/cpus/aarch64/cortex_a73.S
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BL1_SOURCES += drivers/io/io_semihosting.c \
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lib/semihosting/semihosting.c \
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