Djam/arm-trusted-firmware
1
0
Fork 0
mirror of https://github.com/ARM-software/arm-trusted-firmware.git synced 2025-04-16 09:34:18 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add Makalu CPU lib

Browse source 
Add basic support for Makalu CPU.

Signed-off-by: John Powell <john.powell@arm.com>
Change-Id: I4e85d425eedea499adf585eb8ab548931185043d
This commit is contained in:
johpow01 2020-10-15 13:40:04 -05:00
parent 0aa70f4c4c
commit aaabf9789a
4 changed files with 105 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
include/lib/cpus/aarch64/cortex_makalu.h Normal file
View file

@ -0,0 +1,23 @@
/*
* Copyright (c) 2021, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef CORTEX_MAKALU_H
#define CORTEX_MAKALU_H
#define CORTEX_MAKALU_MIDR U(0x410FD4D0)
/*******************************************************************************
* CPU Extended Control register specific definitions
******************************************************************************/
#define CORTEX_MAKALU_CPUECTLR_EL1 S3_0_C15_C1_4
/*******************************************************************************
* CPU Power Control register specific definitions
******************************************************************************/
#define CORTEX_MAKALU_CPUPWRCTLR_EL1 S3_0_C15_C2_7
#define CORTEX_MAKALU_CPUPWRCTLR_EL1_CORE_PWRDN_BIT U(1)
#endif /* CORTEX_MAKALU_H */

77
lib/cpus/aarch64/cortex_makalu.S Normal file
View file

@ -0,0 +1,77 @@
/*
* Copyright (c) 2021, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arch.h>
#include <asm_macros.S>
#include <common/bl_common.h>
#include <cortex_makalu.h>
#include <cpu_macros.S>
#include <plat_macros.S>
/* Hardware handled coherency */
#if HW_ASSISTED_COHERENCY == 0
#error "Cortex Makalu must be compiled with HW_ASSISTED_COHERENCY enabled"
#endif
/* 64-bit only core */
#if CTX_INCLUDE_AARCH32_REGS == 1
#error "Cortex Makalu supports only AArch64. Compile with CTX_INCLUDE_AARCH32_REGS=0"
#endif
func cortex_makalu_reset_func
/* Disable speculative loads */
msr SSBS, xzr
isb
ret
endfunc cortex_makalu_reset_func
/* ----------------------------------------------------
* HW will do the cache maintenance while powering down
* ----------------------------------------------------
*/
func cortex_makalu_core_pwr_dwn
/* ---------------------------------------------------
* Enable CPU power down bit in power control register
* ---------------------------------------------------
*/
mrs x0, CORTEX_MAKALU_CPUPWRCTLR_EL1
orr x0, x0, #CORTEX_MAKALU_CPUPWRCTLR_EL1_CORE_PWRDN_BIT
msr CORTEX_MAKALU_CPUPWRCTLR_EL1, x0
isb
ret
endfunc cortex_makalu_core_pwr_dwn
#if REPORT_ERRATA
/*
* Errata printing function for Cortex Makalu. Must follow AAPCS.
*/
func cortex_makalu_errata_report
ret
endfunc cortex_makalu_errata_report
#endif
/* ---------------------------------------------
* This function provides Cortex Makalu-specific
* register information for crash reporting.
* It needs to return with x6 pointing to
* a list of register names in ascii and
* x8 - x15 having values of registers to be
* reported.
* ---------------------------------------------
*/
.section .rodata.cortex_makalu_regs, "aS"
cortex_makalu_regs: /* The ascii list of register names to be reported */
.asciz "cpuectlr_el1", ""
func cortex_makalu_cpu_reg_dump
adr x6, cortex_makalu_regs
mrs x8, CORTEX_MAKALU_CPUECTLR_EL1
ret
endfunc cortex_makalu_cpu_reg_dump
declare_cpu_ops cortex_makalu, CORTEX_MAKALU_MIDR, \
cortex_makalu_reset_func, \
cortex_makalu_core_pwr_dwn

5
plat/arm/board/arm_fpga/platform.mk
View file

@ -1,5 +1,5 @@
#
# Copyright (c) 2020, Arm Limited. All rights reserved.
# Copyright (c) 2021, Arm Limited. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
@ -68,7 +68,8 @@ else
lib/cpus/aarch64/cortex_a65.S \
lib/cpus/aarch64/cortex_a65ae.S \
lib/cpus/aarch64/cortex_klein.S \
lib/cpus/aarch64/cortex_matterhorn.S
lib/cpus/aarch64/cortex_matterhorn.S \
lib/cpus/aarch64/cortex_makalu.S
# AArch64/AArch32 cores
FPGA_CPU_LIBS += lib/cpus/aarch64/cortex_a55.S \

3
plat/arm/board/fvp/platform.mk
View file

@ -1,5 +1,5 @@
#
# Copyright (c) 2013-2021, ARM Limited and Contributors. All rights reserved.
# Copyright (c) 2013-2021, Arm Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
@ -133,6 +133,7 @@ else
lib/cpus/aarch64/cortex_a78_ae.S \
lib/cpus/aarch64/cortex_klein.S \
lib/cpus/aarch64/cortex_matterhorn.S \
lib/cpus/aarch64/cortex_makalu.S \
lib/cpus/aarch64/cortex_a65.S \
lib/cpus/aarch64/cortex_a65ae.S
endif