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Merge changes from topic "ar/errata_refactor" into integration
* changes: fix(cpus): workaround for Neoverse N2 erratum 2779511 fix(errata-abi): added Neoverse N2 to Errata ABI list fix(cpus): workaround for Neoverse N2 erratum 2743014 fix(docs): updated certain Neoverse N2 erratum status in docs refactor(cpus): convert Neoverse N2 to use CPU helpers refactor(cpus): convert Neoverse N2 to framework refactor(cpus): reorder Neoverse N2 errata by ascending order
This commit is contained in:
Bipin Ravi
TrustedFirmware Code Review
commit
db8621a2fe
7 changed files with 158 additions and 528 deletions
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@ -601,47 +601,50 @@ For Cortex-A710, the following errata build flags are defined :
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For Neoverse N2, the following errata build flags are defined :
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- ``ERRATA_N2_2002655``: This applies errata 2002655 workaround to Neoverse-N2
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CPU. This needs to be enabled for revision r0p0 of the CPU, it is still open.
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CPU. This needs to be enabled for revision r0p0 of the CPU and is fixed in r0p1.
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- ``ERRATA_N2_2067956``: This applies errata 2067956 workaround to Neoverse-N2
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CPU. This needs to be enabled for revision r0p0 of the CPU and is still open.
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CPU. This needs to be enabled for revision r0p0 of the CPU and is fixed in r0p1.
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- ``ERRATA_N2_2025414``: This applies errata 2025414 workaround to Neoverse-N2
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CPU. This needs to be enabled for revision r0p0 of the CPU and is still open.
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CPU. This needs to be enabled for revision r0p0 of the CPU and is fixed in r0p1.
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- ``ERRATA_N2_2189731``: This applies errata 2189731 workaround to Neoverse-N2
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CPU. This needs to be enabled for revision r0p0 of the CPU and is still open.
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CPU. This needs to be enabled for revision r0p0 of the CPU and is fixed in r0p1.
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- ``ERRATA_N2_2138956``: This applies errata 2138956 workaround to Neoverse-N2
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CPU. This needs to be enabled for revision r0p0 of the CPU and is still open.
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CPU. This needs to be enabled for revision r0p0 of the CPU and is fixed in r0p1.
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- ``ERRATA_N2_2138953``: This applies errata 2138953 workaround to Neoverse-N2
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CPU. This needs to be enabled for revision r0p0 of the CPU and is still open.
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CPU. This needs to be enabled for revisions r0p0, r0p1, r0p2, r0p3 and is still open.
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- ``ERRATA_N2_2242415``: This applies errata 2242415 workaround to Neoverse-N2
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CPU. This needs to be enabled for revision r0p0 of the CPU and is still open.
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CPU. This needs to be enabled for revision r0p0 of the CPU and is fixed in r0p1.
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- ``ERRATA_N2_2138958``: This applies errata 2138958 workaround to Neoverse-N2
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CPU. This needs to be enabled for revision r0p0 of the CPU and is still open.
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CPU. This needs to be enabled for revision r0p0 of the CPU and is fixed in r0p1.
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- ``ERRATA_N2_2242400``: This applies errata 2242400 workaround to Neoverse-N2
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CPU. This needs to be enabled for revision r0p0 of the CPU and is still open.
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CPU. This needs to be enabled for revision r0p0 of the CPU and is fixed in r0p1.
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- ``ERRATA_N2_2280757``: This applies errata 2280757 workaround to Neoverse-N2
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CPU. This needs to be enabled for revision r0p0 of the CPU and is still open.
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CPU. This needs to be enabled for revision r0p0 of the CPU and is fixed in r0p1.
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- ``ERRATA_N2_2326639``: This applies errata 2326639 workaround to Neoverse-N2
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CPU. This needs to be enabled for revision r0p0 of the CPU, it is fixed in
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r0p1.
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- ``ERRATA_N2_2376738``: This applies errata 2376738 workaround to Neoverse-N2
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CPU. This needs to be enabled for revision r0p0 of the CPU, it is fixed in
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r0p1.
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CPU. This needs to be enabled for revision r0p0, r0p1, r0p2, r0p3 and is still open.
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- ``ERRATA_N2_2388450``: This applies errata 2388450 workaround to Neoverse-N2
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CPU. This needs to be enabled for revision r0p0 of the CPU, it is fixed in
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r0p1.
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- ``ERRATA_N2_2743014``: This applies errata 2743014 workaround to Neoverse-N2
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CPU. This needs to be enabled for revisions r0p0, r0p1 and r0p2. It is fixed
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in r0p3.
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- ``ERRATA_N2_2743089``: This applies errata 2743089 workaround to Neoverse-N2
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CPU. This needs to be enabled for revisions r0p0, r0p1 and r0p2. It is fixed
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in r0p3.
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@ -651,6 +654,10 @@ For Neoverse N2, the following errata build flags are defined :
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interconnect IP. This needs to be enabled for revisions r0p0, r0p1 and r0p2.
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It is fixed in r0p3.
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- ``ERRATA_N2_2779511``: This applies errata 2779511 workaround to Neoverse-N2
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CPU. This needs to be enabled for revisions r0p0, r0p1 and r0p2. It is fixed
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in r0p3.
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For Cortex-X2, the following errata build flags are defined :
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- ``ERRATA_X2_2002765``: This applies errata 2002765 workaround to Cortex-X2
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@ -42,10 +42,18 @@
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#define NEOVERSE_N2_CPUACTLR2_EL1_BIT_36 (ULL(1) << 36)
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#define NEOVERSE_N2_CPUACTLR2_EL1_BIT_40 (ULL(1) << 40)
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/*******************************************************************************
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* CPU Auxiliary Control register 3 specific definitions.
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******************************************************************************/
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#define NEOVERSE_N2_CPUACTLR3_EL1 S3_0_C15_C1_2
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#define NEOVERSE_N2_CPUACTLR3_EL1_BIT_47 (ULL(1) << 47)
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/*******************************************************************************
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* CPU Auxiliary Control register 5 specific definitions.
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******************************************************************************/
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#define NEOVERSE_N2_CPUACTLR5_EL1 S3_0_C15_C8_0
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#define NEOVERSE_N2_CPUACTLR5_EL1_BIT_56 (ULL(1) << 56)
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#define NEOVERSE_N2_CPUACTLR5_EL1_BIT_55 (ULL(1) << 55)
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#define NEOVERSE_N2_CPUACTLR5_EL1_BIT_44 (ULL(1) << 44)
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#define NEOVERSE_N2_CPUACTLR5_EL1_BIT_13 (ULL(1) << 13)
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#define NEOVERSE_N2_CPUACTLR5_EL1_BIT_17 (ULL(1) << 17)
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2020-2022, Arm Limited. All rights reserved.
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* Copyright (c) 2020-2023, Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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@ -24,20 +24,17 @@
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wa_cve_2022_23960_bhb_vector_table NEOVERSE_N2_BHB_LOOP_COUNT, neoverse_n2
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#endif /* WORKAROUND_CVE_2022_23960 */
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/* --------------------------------------------------
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* Errata Workaround for Neoverse N2 Erratum 2002655.
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* This applies to revision r0p0 of Neoverse N2. it is still open.
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* Inputs:
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* x0: variant[4:7] and revision[0:3] of current cpu.
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* Shall clobber: x0-x17
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* --------------------------------------------------
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/*
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* ERRATA_DSU_2313941:
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* The errata is defined in dsu_helpers.S and applies to Neoverse N2.
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* Henceforth creating symbolic names to the already existing errata
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* workaround functions to get them registered under the Errata Framework.
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*/
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func errata_n2_2002655_wa
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/* Check revision. */
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mov x17, x30
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bl check_errata_2002655
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cbz x0, 1f
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.equ check_erratum_neoverse_n2_2313941, check_errata_dsu_2313941
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.equ erratum_neoverse_n2_2313941_wa, errata_dsu_2313941_wa
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add_erratum_entry neoverse_n2, ERRATUM(2313941), ERRATA_DSU_2313941, APPLY_AT_RESET
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workaround_reset_start neoverse_n2, ERRATUM(2002655), ERRATA_N2_2002655
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/* Apply instruction patching sequence */
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ldr x0,=0x6
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msr S3_6_c15_c8_0,x0
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@ -55,111 +52,33 @@ func errata_n2_2002655_wa
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msr S3_6_c15_c8_3,x0
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ldr x0,=0x40000001003f3
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msr S3_6_c15_c8_1,x0
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isb
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1:
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ret x17
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endfunc errata_n2_2002655_wa
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workaround_reset_end neoverse_n2, ERRATUM(2002655)
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func check_errata_2002655
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/* Applies to r0p0 */
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mov x1, #0x00
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b cpu_rev_var_ls
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endfunc check_errata_2002655
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check_erratum_ls neoverse_n2, ERRATUM(2002655), CPU_REV(0, 0)
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/* ---------------------------------------------------------------
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* Errata Workaround for Neoverse N2 Erratum 2067956.
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* This applies to revision r0p0 of Neoverse N2 and is still open.
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* Inputs:
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* x0: variant[4:7] and revision[0:3] of current cpu.
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* Shall clobber: x0-x17
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* ---------------------------------------------------------------
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*/
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func errata_n2_2067956_wa
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/* Compare x0 against revision r0p0 */
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mov x17, x30
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bl check_errata_2067956
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cbz x0, 1f
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mrs x1, NEOVERSE_N2_CPUACTLR_EL1
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orr x1, x1, NEOVERSE_N2_CPUACTLR_EL1_BIT_46
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msr NEOVERSE_N2_CPUACTLR_EL1, x1
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1:
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ret x17
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endfunc errata_n2_2067956_wa
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workaround_reset_start neoverse_n2, ERRATUM(2025414), ERRATA_N2_2025414
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sysreg_bit_set NEOVERSE_N2_CPUECTLR_EL1, NEOVERSE_N2_CPUECTLR_EL1_PFSTIDIS_BIT
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workaround_reset_end neoverse_n2, ERRATUM(2025414)
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func check_errata_2067956
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/* Applies to r0p0 */
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mov x1, #0x00
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b cpu_rev_var_ls
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endfunc check_errata_2067956
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check_erratum_ls neoverse_n2, ERRATUM(2025414), CPU_REV(0, 0)
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/* ---------------------------------------------------------------
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* Errata Workaround for Neoverse N2 Erratum 2025414.
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* This applies to revision r0p0 of Neoverse N2 and is still open.
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* Inputs:
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* x0: variant[4:7] and revision[0:3] of current cpu.
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* Shall clobber: x0-x17
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* ---------------------------------------------------------------
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*/
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func errata_n2_2025414_wa
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/* Compare x0 against revision r0p0 */
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mov x17, x30
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bl check_errata_2025414
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cbz x0, 1f
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mrs x1, NEOVERSE_N2_CPUECTLR_EL1
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orr x1, x1, NEOVERSE_N2_CPUECTLR_EL1_PFSTIDIS_BIT
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msr NEOVERSE_N2_CPUECTLR_EL1, x1
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workaround_reset_start neoverse_n2, ERRATUM(2067956), ERRATA_N2_2067956
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sysreg_bit_set NEOVERSE_N2_CPUACTLR_EL1, NEOVERSE_N2_CPUACTLR_EL1_BIT_46
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workaround_reset_end neoverse_n2, ERRATUM(2067956)
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1:
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ret x17
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endfunc errata_n2_2025414_wa
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check_erratum_ls neoverse_n2, ERRATUM(2067956), CPU_REV(0, 0)
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func check_errata_2025414
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/* Applies to r0p0 */
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mov x1, #0x00
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b cpu_rev_var_ls
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endfunc check_errata_2025414
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workaround_reset_start neoverse_n2, ERRATUM(2138953), ERRATA_N2_2138953
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/* Apply instruction patching sequence */
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mrs x1, NEOVERSE_N2_CPUECTLR2_EL1
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mov x0, #NEOVERSE_N2_CPUECTLR2_EL1_PF_MODE_CNSRV
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bfi x1, x0, #CPUECTLR2_EL1_PF_MODE_LSB, #CPUECTLR2_EL1_PF_MODE_WIDTH
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msr NEOVERSE_N2_CPUECTLR2_EL1, x1
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workaround_reset_end neoverse_n2, ERRATUM(2138953)
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/* ---------------------------------------------------------------
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* Errata Workaround for Neoverse N2 Erratum 2189731.
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* This applies to revision r0p0 of Neoverse N2 and is still open.
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* Inputs:
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* x0: variant[4:7] and revision[0:3] of current cpu.
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* Shall clobber: x0-x17
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* ---------------------------------------------------------------
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*/
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func errata_n2_2189731_wa
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/* Compare x0 against revision r0p0 */
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mov x17, x30
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bl check_errata_2189731
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cbz x0, 1f
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mrs x1, NEOVERSE_N2_CPUACTLR5_EL1
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orr x1, x1, NEOVERSE_N2_CPUACTLR5_EL1_BIT_44
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msr NEOVERSE_N2_CPUACTLR5_EL1, x1
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1:
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ret x17
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endfunc errata_n2_2189731_wa
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func check_errata_2189731
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/* Applies to r0p0 */
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mov x1, #0x00
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b cpu_rev_var_ls
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endfunc check_errata_2189731
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/* --------------------------------------------------
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* Errata Workaround for Neoverse N2 Erratum 2138956.
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* This applies to revision r0p0 of Neoverse N2. it is still open.
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* Inputs:
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* x0: variant[4:7] and revision[0:3] of current cpu.
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* Shall clobber: x0-x17
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* --------------------------------------------------
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*/
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func errata_n2_2138956_wa
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/* Check revision. */
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mov x17, x30
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bl check_errata_2138956
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cbz x0, 1f
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check_erratum_ls neoverse_n2, ERRATUM(2138953), CPU_REV(0, 3)
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workaround_reset_start neoverse_n2, ERRATUM(2138956), ERRATA_N2_2138956
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/* Apply instruction patching sequence */
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ldr x0,=0x3
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msr S3_6_c15_c8_0,x0
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@ -177,120 +96,27 @@ func errata_n2_2138956_wa
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msr S3_6_c15_c8_3,x0
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ldr x0,=0x10002001003F3
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msr S3_6_c15_c8_1,x0
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isb
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1:
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ret x17
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endfunc errata_n2_2138956_wa
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workaround_reset_end neoverse_n2, ERRATUM(2138956)
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func check_errata_2138956
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/* Applies to r0p0 */
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mov x1, #0x00
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b cpu_rev_var_ls
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endfunc check_errata_2138956
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check_erratum_ls neoverse_n2, ERRATUM(2138956), CPU_REV(0, 0)
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/* --------------------------------------------------
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* Errata Workaround for Neoverse N2 Erratum 2242415.
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* This applies to revision r0p0 of Neoverse N2. it is still open.
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* Inputs:
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* x0: variant[4:7] and revision[0:3] of current cpu.
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* Shall clobber: x0-x1, x17
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* --------------------------------------------------
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*/
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func errata_n2_2242415_wa
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/* Check revision. */
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mov x17, x30
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bl check_errata_2242415
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cbz x0, 1f
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workaround_reset_start neoverse_n2, ERRATUM(2138958), ERRATA_N2_2138958
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/* Apply instruction patching sequence */
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mrs x1, NEOVERSE_N2_CPUACTLR_EL1
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orr x1, x1, NEOVERSE_N2_CPUACTLR_EL1_BIT_22
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msr NEOVERSE_N2_CPUACTLR_EL1, x1
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1:
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ret x17
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endfunc errata_n2_2242415_wa
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sysreg_bit_set NEOVERSE_N2_CPUACTLR5_EL1, NEOVERSE_N2_CPUACTLR5_EL1_BIT_13
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workaround_reset_end neoverse_n2, ERRATUM(2138958)
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func check_errata_2242415
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/* Applies to r0p0 */
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mov x1, #0x00
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b cpu_rev_var_ls
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endfunc check_errata_2242415
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check_erratum_ls neoverse_n2, ERRATUM(2138958), CPU_REV(0, 0)
|
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|
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/* --------------------------------------------------
|
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* Errata Workaround for Neoverse N2 Erratum 2138953.
|
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* This applies to revision r0p0 of Neoverse N2. it is still open.
|
||||
* Inputs:
|
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* x0: variant[4:7] and revision[0:3] of current cpu.
|
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* Shall clobber: x0-x1, x17
|
||||
* --------------------------------------------------
|
||||
*/
|
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func errata_n2_2138953_wa
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/* Check revision. */
|
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mov x17, x30
|
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bl check_errata_2138953
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cbz x0, 1f
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workaround_reset_start neoverse_n2, ERRATUM(2189731), ERRATA_N2_2189731
|
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sysreg_bit_set NEOVERSE_N2_CPUACTLR5_EL1, NEOVERSE_N2_CPUACTLR5_EL1_BIT_44
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workaround_reset_end neoverse_n2, ERRATUM(2189731)
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check_erratum_ls neoverse_n2, ERRATUM(2189731), CPU_REV(0, 0)
|
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workaround_reset_start neoverse_n2, ERRATUM(2242400), ERRATA_N2_2242400
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/* Apply instruction patching sequence */
|
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mrs x1, NEOVERSE_N2_CPUECTLR2_EL1
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mov x0, #NEOVERSE_N2_CPUECTLR2_EL1_PF_MODE_CNSRV
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bfi x1, x0, #CPUECTLR2_EL1_PF_MODE_LSB, #CPUECTLR2_EL1_PF_MODE_WIDTH
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msr NEOVERSE_N2_CPUECTLR2_EL1, x1
|
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1:
|
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ret x17
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endfunc errata_n2_2138953_wa
|
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|
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func check_errata_2138953
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/* Applies to r0p0 */
|
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mov x1, #0x00
|
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b cpu_rev_var_ls
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endfunc check_errata_2138953
|
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|
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/* --------------------------------------------------
|
||||
* Errata Workaround for Neoverse N2 Erratum 2138958.
|
||||
* This applies to revision r0p0 of Neoverse N2. it is still open.
|
||||
* Inputs:
|
||||
* x0: variant[4:7] and revision[0:3] of current cpu.
|
||||
* Shall clobber: x0-x1, x17
|
||||
* --------------------------------------------------
|
||||
*/
|
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func errata_n2_2138958_wa
|
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/* Check revision. */
|
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mov x17, x30
|
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bl check_errata_2138958
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cbz x0, 1f
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|
||||
/* Apply instruction patching sequence */
|
||||
mrs x1, NEOVERSE_N2_CPUACTLR5_EL1
|
||||
orr x1, x1, NEOVERSE_N2_CPUACTLR5_EL1_BIT_13
|
||||
msr NEOVERSE_N2_CPUACTLR5_EL1, x1
|
||||
1:
|
||||
ret x17
|
||||
endfunc errata_n2_2138958_wa
|
||||
|
||||
func check_errata_2138958
|
||||
/* Applies to r0p0 */
|
||||
mov x1, #0x00
|
||||
b cpu_rev_var_ls
|
||||
endfunc check_errata_2138958
|
||||
|
||||
/* --------------------------------------------------
|
||||
* Errata Workaround for Neoverse N2 Erratum 2242400.
|
||||
* This applies to revision r0p0 of Neoverse N2. it is still open.
|
||||
* Inputs:
|
||||
* x0: variant[4:7] and revision[0:3] of current cpu.
|
||||
* Shall clobber: x0-x1, x17
|
||||
* --------------------------------------------------
|
||||
*/
|
||||
func errata_n2_2242400_wa
|
||||
/* Check revision. */
|
||||
mov x17, x30
|
||||
bl check_errata_2242400
|
||||
cbz x0, 1f
|
||||
|
||||
/* Apply instruction patching sequence */
|
||||
mrs x1, NEOVERSE_N2_CPUACTLR5_EL1
|
||||
orr x1, x1, NEOVERSE_N2_CPUACTLR5_EL1_BIT_17
|
||||
msr NEOVERSE_N2_CPUACTLR5_EL1, x1
|
||||
sysreg_bit_set NEOVERSE_N2_CPUACTLR5_EL1, NEOVERSE_N2_CPUACTLR5_EL1_BIT_17
|
||||
ldr x0, =0x2
|
||||
msr S3_6_c15_c8_0, x0
|
||||
ldr x0, =0x10F600E000
|
||||
|
|
@ -299,174 +125,86 @@ func errata_n2_2242400_wa
|
|||
msr S3_6_c15_c8_3, x0
|
||||
ldr x0, =0x80000000003FF
|
||||
msr S3_6_c15_c8_1, x0
|
||||
isb
|
||||
1:
|
||||
ret x17
|
||||
endfunc errata_n2_2242400_wa
|
||||
workaround_reset_end neoverse_n2, ERRATUM(2242400)
|
||||
|
||||
func check_errata_2242400
|
||||
/* Applies to r0p0 */
|
||||
mov x1, #0x00
|
||||
b cpu_rev_var_ls
|
||||
endfunc check_errata_2242400
|
||||
check_erratum_ls neoverse_n2, ERRATUM(2242400), CPU_REV(0, 0)
|
||||
|
||||
/* --------------------------------------------------
|
||||
* Errata Workaround for Neoverse N2 Erratum 2280757.
|
||||
* This applies to revision r0p0 of Neoverse N2. it is still open.
|
||||
* Inputs:
|
||||
* x0: variant[4:7] and revision[0:3] of current cpu.
|
||||
* Shall clobber: x0-x1, x17
|
||||
* --------------------------------------------------
|
||||
*/
|
||||
func errata_n2_2280757_wa
|
||||
/* Check revision. */
|
||||
mov x17, x30
|
||||
bl check_errata_2280757
|
||||
cbz x0, 1f
|
||||
workaround_reset_start neoverse_n2, ERRATUM(2242415), ERRATA_N2_2242415
|
||||
sysreg_bit_set NEOVERSE_N2_CPUACTLR_EL1, NEOVERSE_N2_CPUACTLR_EL1_BIT_22
|
||||
workaround_reset_end neoverse_n2, ERRATUM(2242415)
|
||||
|
||||
check_erratum_ls neoverse_n2, ERRATUM(2242415), CPU_REV(0, 0)
|
||||
|
||||
workaround_reset_start neoverse_n2, ERRATUM(2280757), ERRATA_N2_2280757
|
||||
/* Apply instruction patching sequence */
|
||||
mrs x1, NEOVERSE_N2_CPUACTLR_EL1
|
||||
orr x1, x1, NEOVERSE_N2_CPUACTLR_EL1_BIT_22
|
||||
msr NEOVERSE_N2_CPUACTLR_EL1, x1
|
||||
1:
|
||||
ret x17
|
||||
endfunc errata_n2_2280757_wa
|
||||
sysreg_bit_set NEOVERSE_N2_CPUACTLR_EL1, NEOVERSE_N2_CPUACTLR_EL1_BIT_22
|
||||
workaround_reset_end neoverse_n2, ERRATUM(2280757)
|
||||
|
||||
func check_errata_2280757
|
||||
/* Applies to r0p0 */
|
||||
mov x1, #0x00
|
||||
b cpu_rev_var_ls
|
||||
endfunc check_errata_2280757
|
||||
|
||||
/* --------------------------------------------------
|
||||
* Errata Workaround for Neoverse N2 Erratum 2326639.
|
||||
* This applies to revision r0p0 of Neoverse N2,
|
||||
* fixed in r0p1.
|
||||
* Inputs:
|
||||
* x0: variant[4:7] and revision[0:3] of current cpu.
|
||||
* Shall clobber: x0-x1, x17
|
||||
* --------------------------------------------------
|
||||
*/
|
||||
func errata_n2_2326639_wa
|
||||
/* Check revision. */
|
||||
mov x17, x30
|
||||
bl check_errata_2326639
|
||||
cbz x0, 1f
|
||||
check_erratum_ls neoverse_n2, ERRATUM(2280757), CPU_REV(0, 0)
|
||||
|
||||
workaround_runtime_start neoverse_n2, ERRATUM(2326639), ERRATA_N2_2326639
|
||||
/* Set bit 36 in ACTLR2_EL1 */
|
||||
mrs x1, NEOVERSE_N2_CPUACTLR2_EL1
|
||||
orr x1, x1, #NEOVERSE_N2_CPUACTLR2_EL1_BIT_36
|
||||
msr NEOVERSE_N2_CPUACTLR2_EL1, x1
|
||||
1:
|
||||
ret x17
|
||||
endfunc errata_n2_2326639_wa
|
||||
sysreg_bit_set NEOVERSE_N2_CPUACTLR2_EL1, NEOVERSE_N2_CPUACTLR2_EL1_BIT_36
|
||||
workaround_runtime_end neoverse_n2, ERRATUM(2326639)
|
||||
|
||||
func check_errata_2326639
|
||||
/* Applies to r0p0, fixed in r0p1 */
|
||||
mov x1, #0x00
|
||||
b cpu_rev_var_ls
|
||||
endfunc check_errata_2326639
|
||||
|
||||
/* --------------------------------------------------
|
||||
* Errata Workaround for Neoverse N2 Erratum 2376738.
|
||||
* This applies to revision r0p0 of Neoverse N2,
|
||||
* fixed in r0p1.
|
||||
* Inputs:
|
||||
* x0: variant[4:7] and revision[0:3] of current CPU.
|
||||
* Shall clobber: x0-x1, x17
|
||||
* --------------------------------------------------
|
||||
*/
|
||||
func errata_n2_2376738_wa
|
||||
mov x17, x30
|
||||
bl check_errata_2376738
|
||||
cbz x0, 1f
|
||||
check_erratum_ls neoverse_n2, ERRATUM(2326639), CPU_REV(0, 0)
|
||||
|
||||
workaround_reset_start neoverse_n2, ERRATUM(2376738), ERRATA_N2_2376738
|
||||
/* Set CPUACTLR2_EL1[0] to 1 to force PLDW/PFRM
|
||||
* ST to behave like PLD/PFRM LD and not cause
|
||||
* invalidations to other PE caches.
|
||||
*/
|
||||
mrs x1, NEOVERSE_N2_CPUACTLR2_EL1
|
||||
orr x1, x1, NEOVERSE_N2_CPUACTLR2_EL1_BIT_0
|
||||
msr NEOVERSE_N2_CPUACTLR2_EL1, x1
|
||||
1:
|
||||
ret x17
|
||||
endfunc errata_n2_2376738_wa
|
||||
sysreg_bit_set NEOVERSE_N2_CPUACTLR2_EL1, NEOVERSE_N2_CPUACTLR2_EL1_BIT_0
|
||||
workaround_reset_end neoverse_n2, ERRATUM(2376738)
|
||||
|
||||
func check_errata_2376738
|
||||
/* Applies to r0p0, fixed in r0p1 */
|
||||
mov x1, 0x00
|
||||
b cpu_rev_var_ls
|
||||
endfunc check_errata_2376738
|
||||
|
||||
/* --------------------------------------------------
|
||||
* Errata Workaround for Neoverse N2 Erratum 2388450.
|
||||
* This applies to revision r0p0 of Neoverse N2,
|
||||
* fixed in r0p1.
|
||||
* Inputs:
|
||||
* x0: variant[4:7] and revision[0:3] of current cpu.
|
||||
* Shall clobber: x0-x1, x17
|
||||
* --------------------------------------------------
|
||||
*/
|
||||
func errata_n2_2388450_wa
|
||||
/* Check revision. */
|
||||
mov x17, x30
|
||||
bl check_errata_2388450
|
||||
cbz x0, 1f
|
||||
check_erratum_ls neoverse_n2, ERRATUM(2376738), CPU_REV(0, 3)
|
||||
|
||||
workaround_reset_start neoverse_n2, ERRATUM(2388450), ERRATA_N2_2388450
|
||||
/*Set bit 40 in ACTLR2_EL1 */
|
||||
mrs x1, NEOVERSE_N2_CPUACTLR2_EL1
|
||||
orr x1, x1, #NEOVERSE_N2_CPUACTLR2_EL1_BIT_40
|
||||
msr NEOVERSE_N2_CPUACTLR2_EL1, x1
|
||||
isb
|
||||
1:
|
||||
ret x17
|
||||
endfunc errata_n2_2388450_wa
|
||||
sysreg_bit_set NEOVERSE_N2_CPUACTLR2_EL1, NEOVERSE_N2_CPUACTLR2_EL1_BIT_40
|
||||
workaround_reset_end neoverse_n2, ERRATUM(2388450)
|
||||
|
||||
func check_errata_2388450
|
||||
/* Applies to r0p0, fixed in r0p1 */
|
||||
mov x1, #0x00
|
||||
b cpu_rev_var_ls
|
||||
endfunc check_errata_2388450
|
||||
check_erratum_ls neoverse_n2, ERRATUM(2388450), CPU_REV(0, 0)
|
||||
|
||||
/* -------------------------------------------------------
|
||||
* Errata Workaround for Neoverse N2 Erratum 2743089.
|
||||
* This applies to revisions <= r0p2 and is fixed in r0p3.
|
||||
* x0: variant[4:7] and revision[0:3] of current cpu.
|
||||
* Shall clobber: x0-x17
|
||||
* -------------------------------------------------------
|
||||
*/
|
||||
func errata_n2_2743089_wa
|
||||
mov x17, x30
|
||||
bl check_errata_2743089
|
||||
cbz x0, 1f
|
||||
workaround_reset_start neoverse_n2, ERRATUM(2743014), ERRATA_N2_2743014
|
||||
/* Set CPUACTLR5_EL1[56:55] to 2'b01 */
|
||||
sysreg_bit_set NEOVERSE_N2_CPUACTLR5_EL1, NEOVERSE_N2_CPUACTLR5_EL1_BIT_55
|
||||
sysreg_bit_clear NEOVERSE_N2_CPUACTLR5_EL1, NEOVERSE_N2_CPUACTLR5_EL1_BIT_56
|
||||
workaround_reset_end neoverse_n2, ERRATUM(2743014)
|
||||
|
||||
check_erratum_ls neoverse_n2, ERRATUM(2743014), CPU_REV(0, 2)
|
||||
|
||||
workaround_runtime_start neoverse_n2, ERRATUM(2743089), ERRATA_N2_2743089
|
||||
/* dsb before isb of power down sequence */
|
||||
dsb sy
|
||||
1:
|
||||
ret x17
|
||||
endfunc errata_n2_2743089_wa
|
||||
workaround_runtime_end neoverse_n2, ERRATUM(2743089)
|
||||
|
||||
func check_errata_2743089
|
||||
/* Applies to all revisions <= r0p2 */
|
||||
mov x1, #0x02
|
||||
b cpu_rev_var_ls
|
||||
endfunc check_errata_2743089
|
||||
check_erratum_ls neoverse_n2, ERRATUM(2743089), CPU_REV(0, 2)
|
||||
|
||||
func check_errata_cve_2022_23960
|
||||
#if WORKAROUND_CVE_2022_23960
|
||||
mov x0, #ERRATA_APPLIES
|
||||
#else
|
||||
mov x0, #ERRATA_MISSING
|
||||
#endif
|
||||
ret
|
||||
endfunc check_errata_cve_2022_23960
|
||||
workaround_reset_start neoverse_n2, ERRATUM(2779511), ERRATA_N2_2779511
|
||||
/* Set bit 47 in ACTLR3_EL1 */
|
||||
sysreg_bit_set NEOVERSE_N2_CPUACTLR3_EL1, NEOVERSE_N2_CPUACTLR3_EL1_BIT_47
|
||||
workaround_reset_end neoverse_n2, ERRATUM(2779511)
|
||||
|
||||
check_erratum_ls neoverse_n2, ERRATUM(2779511), CPU_REV(0, 2)
|
||||
|
||||
workaround_reset_start neoverse_n2, CVE(2022,23960), WORKAROUND_CVE_2022_23960
|
||||
#if IMAGE_BL31
|
||||
/*
|
||||
* The Neoverse-N2 generic vectors are overridden to apply errata
|
||||
* mitigation on exception entry from lower ELs.
|
||||
*/
|
||||
override_vector_table wa_cve_vbar_neoverse_n2
|
||||
#endif /* IMAGE_BL31 */
|
||||
workaround_reset_end neoverse_n2, CVE(2022,23960)
|
||||
|
||||
check_erratum_chosen neoverse_n2, CVE(2022, 23960), WORKAROUND_CVE_2022_23960
|
||||
|
||||
/* -------------------------------------------
|
||||
* The CPU Ops reset function for Neoverse N2.
|
||||
* -------------------------------------------
|
||||
*/
|
||||
func neoverse_n2_reset_func
|
||||
mov x19, x30
|
||||
cpu_reset_func_start neoverse_n2
|
||||
|
||||
/* Check if the PE implements SSBS */
|
||||
mrs x0, id_aa64pfr1_el1
|
||||
|
|
@ -477,174 +215,39 @@ func neoverse_n2_reset_func
|
|||
msr SSBS, xzr
|
||||
1:
|
||||
/* Force all cacheable atomic instructions to be near */
|
||||
mrs x0, NEOVERSE_N2_CPUACTLR2_EL1
|
||||
orr x0, x0, #NEOVERSE_N2_CPUACTLR2_EL1_BIT_2
|
||||
msr NEOVERSE_N2_CPUACTLR2_EL1, x0
|
||||
|
||||
/* Get the CPU revision and stash it in x18. */
|
||||
bl cpu_get_rev_var
|
||||
mov x18, x0
|
||||
|
||||
#if ERRATA_DSU_2313941
|
||||
bl errata_dsu_2313941_wa
|
||||
#endif
|
||||
|
||||
#if ERRATA_N2_2067956
|
||||
mov x0, x18
|
||||
bl errata_n2_2067956_wa
|
||||
#endif
|
||||
|
||||
#if ERRATA_N2_2025414
|
||||
mov x0, x18
|
||||
bl errata_n2_2025414_wa
|
||||
#endif
|
||||
|
||||
#if ERRATA_N2_2189731
|
||||
mov x0, x18
|
||||
bl errata_n2_2189731_wa
|
||||
#endif
|
||||
|
||||
|
||||
#if ERRATA_N2_2138956
|
||||
mov x0, x18
|
||||
bl errata_n2_2138956_wa
|
||||
#endif
|
||||
|
||||
#if ERRATA_N2_2138953
|
||||
mov x0, x18
|
||||
bl errata_n2_2138953_wa
|
||||
#endif
|
||||
|
||||
#if ERRATA_N2_2242415
|
||||
mov x0, x18
|
||||
bl errata_n2_2242415_wa
|
||||
#endif
|
||||
|
||||
#if ERRATA_N2_2138958
|
||||
mov x0, x18
|
||||
bl errata_n2_2138958_wa
|
||||
#endif
|
||||
|
||||
#if ERRATA_N2_2242400
|
||||
mov x0, x18
|
||||
bl errata_n2_2242400_wa
|
||||
#endif
|
||||
|
||||
#if ERRATA_N2_2280757
|
||||
mov x0, x18
|
||||
bl errata_n2_2280757_wa
|
||||
#endif
|
||||
|
||||
#if ERRATA_N2_2376738
|
||||
mov x0, x18
|
||||
bl errata_n2_2376738_wa
|
||||
#endif
|
||||
|
||||
#if ERRATA_N2_2388450
|
||||
mov x0, x18
|
||||
bl errata_n2_2388450_wa
|
||||
#endif
|
||||
sysreg_bit_set NEOVERSE_N2_CPUACTLR2_EL1, NEOVERSE_N2_CPUACTLR2_EL1_BIT_2
|
||||
|
||||
#if ENABLE_FEAT_AMU
|
||||
/* Make sure accesses from EL0/EL1 and EL2 are not trapped to EL3 */
|
||||
mrs x0, cptr_el3
|
||||
orr x0, x0, #TAM_BIT
|
||||
msr cptr_el3, x0
|
||||
|
||||
sysreg_bit_set cptr_el3, TAM_BIT
|
||||
/* Make sure accesses from EL0/EL1 are not trapped to EL2 */
|
||||
mrs x0, cptr_el2
|
||||
orr x0, x0, #TAM_BIT
|
||||
msr cptr_el2, x0
|
||||
|
||||
sysreg_bit_set cptr_el2, TAM_BIT
|
||||
/* No need to enable the counters as this would be done at el3 exit */
|
||||
#endif
|
||||
|
||||
#if NEOVERSE_Nx_EXTERNAL_LLC
|
||||
/* Some systems may have External LLC, core needs to be made aware */
|
||||
mrs x0, NEOVERSE_N2_CPUECTLR_EL1
|
||||
orr x0, x0, NEOVERSE_N2_CPUECTLR_EL1_EXTLLC_BIT
|
||||
msr NEOVERSE_N2_CPUECTLR_EL1, x0
|
||||
sysreg_bit_set NEOVERSE_N2_CPUECTLR_EL1, NEOVERSE_N2_CPUECTLR_EL1_EXTLLC_BIT
|
||||
#endif
|
||||
|
||||
#if ERRATA_N2_2002655
|
||||
mov x0, x18
|
||||
bl errata_n2_2002655_wa
|
||||
#endif
|
||||
|
||||
#if IMAGE_BL31 && WORKAROUND_CVE_2022_23960
|
||||
/*
|
||||
* The Neoverse-N2 generic vectors are overridden to apply errata
|
||||
* mitigation on exception entry from lower ELs.
|
||||
*/
|
||||
adr x0, wa_cve_vbar_neoverse_n2
|
||||
msr vbar_el3, x0
|
||||
#endif /* IMAGE_BL31 && WORKAROUND_CVE_2022_23960 */
|
||||
|
||||
isb
|
||||
ret x19
|
||||
endfunc neoverse_n2_reset_func
|
||||
cpu_reset_func_end neoverse_n2
|
||||
|
||||
func neoverse_n2_core_pwr_dwn
|
||||
#if ERRATA_N2_2326639
|
||||
mov x15, x30
|
||||
bl cpu_get_rev_var
|
||||
bl errata_n2_2326639_wa
|
||||
mov x30, x15
|
||||
#endif /* ERRATA_N2_2326639 */
|
||||
|
||||
apply_erratum neoverse_n2, ERRATUM(2326639), ERRATA_N2_2326639
|
||||
/* ---------------------------------------------------
|
||||
* Enable CPU power down bit in power control register
|
||||
* No need to do cache maintenance here.
|
||||
* ---------------------------------------------------
|
||||
*/
|
||||
mrs x0, NEOVERSE_N2_CPUPWRCTLR_EL1
|
||||
orr x0, x0, #NEOVERSE_N2_CORE_PWRDN_EN_BIT
|
||||
msr NEOVERSE_N2_CPUPWRCTLR_EL1, x0
|
||||
#if ERRATA_N2_2743089
|
||||
mov x15, x30
|
||||
bl cpu_get_rev_var
|
||||
bl errata_n2_2743089_wa
|
||||
mov x30, x15
|
||||
#endif /* ERRATA_N2_2743089 */
|
||||
sysreg_bit_set NEOVERSE_N2_CPUPWRCTLR_EL1, NEOVERSE_N2_CORE_PWRDN_EN_BIT
|
||||
|
||||
apply_erratum neoverse_n2, ERRATUM(2743089), ERRATA_N2_2743089
|
||||
|
||||
isb
|
||||
ret
|
||||
endfunc neoverse_n2_core_pwr_dwn
|
||||
|
||||
#if REPORT_ERRATA
|
||||
/*
|
||||
* Errata printing function for Neoverse N2 cores. Must follow AAPCS.
|
||||
*/
|
||||
func neoverse_n2_errata_report
|
||||
stp x8, x30, [sp, #-16]!
|
||||
|
||||
bl cpu_get_rev_var
|
||||
mov x8, x0
|
||||
|
||||
/*
|
||||
* Report all errata. The revision-variant information is passed to
|
||||
* checking functions of each errata.
|
||||
*/
|
||||
report_errata ERRATA_N2_2002655, neoverse_n2, 2002655
|
||||
report_errata ERRATA_N2_2067956, neoverse_n2, 2067956
|
||||
report_errata ERRATA_N2_2025414, neoverse_n2, 2025414
|
||||
report_errata ERRATA_N2_2189731, neoverse_n2, 2189731
|
||||
report_errata ERRATA_N2_2138956, neoverse_n2, 2138956
|
||||
report_errata ERRATA_N2_2138953, neoverse_n2, 2138953
|
||||
report_errata ERRATA_N2_2242415, neoverse_n2, 2242415
|
||||
report_errata ERRATA_N2_2138958, neoverse_n2, 2138958
|
||||
report_errata ERRATA_N2_2242400, neoverse_n2, 2242400
|
||||
report_errata ERRATA_N2_2280757, neoverse_n2, 2280757
|
||||
report_errata ERRATA_N2_2326639, neoverse_n2, 2326639
|
||||
report_errata ERRATA_N2_2376738, neoverse_n2, 2376738
|
||||
report_errata ERRATA_N2_2388450, neoverse_n2, 2388450
|
||||
report_errata ERRATA_N2_2743089, neoverse_n2, 2743089
|
||||
report_errata WORKAROUND_CVE_2022_23960, neoverse_n2, cve_2022_23960
|
||||
report_errata ERRATA_DSU_2313941, neoverse_n2, dsu_2313941
|
||||
|
||||
ldp x8, x30, [sp], #16
|
||||
ret
|
||||
endfunc neoverse_n2_errata_report
|
||||
#endif
|
||||
errata_report_shim neoverse_n2
|
||||
|
||||
/* ---------------------------------------------
|
||||
* This function provides Neoverse N2 specific
|
||||
|
|
|
|||
|
|
@ -612,43 +612,43 @@ CPU_FLAG_LIST += ERRATA_A710_2701952
|
|||
CPU_FLAG_LIST += ERRATA_A710_2768515
|
||||
|
||||
# Flag to apply erratum 2002655 workaround during reset. This erratum applies
|
||||
# to revisions r0p0 of the Neoverse-N2 cpu, it is still open.
|
||||
# to revisions r0p0 of the Neoverse-N2 cpu and is fixed in r0p1.
|
||||
CPU_FLAG_LIST += ERRATA_N2_2002655
|
||||
|
||||
# Flag to apply erratum 2067956 workaround during reset. This erratum applies
|
||||
# to revision r0p0 of the Neoverse N2 cpu and is still open.
|
||||
# to revision r0p0 of the Neoverse N2 cpu and is fixed in r0p1.
|
||||
CPU_FLAG_LIST += ERRATA_N2_2067956
|
||||
|
||||
# Flag to apply erratum 2025414 workaround during reset. This erratum applies
|
||||
# to revision r0p0 of the Neoverse N2 cpu and is still open.
|
||||
# to revision r0p0 of the Neoverse N2 cpu and is fixed in r0p1.
|
||||
CPU_FLAG_LIST += ERRATA_N2_2025414
|
||||
|
||||
# Flag to apply erratum 2189731 workaround during reset. This erratum applies
|
||||
# to revision r0p0 of the Neoverse N2 cpu and is still open.
|
||||
# to revision r0p0 of the Neoverse N2 cpu and is fixed in r0p1.
|
||||
CPU_FLAG_LIST += ERRATA_N2_2189731
|
||||
|
||||
# Flag to apply erratum 2138956 workaround during reset. This erratum applies
|
||||
# to revision r0p0 of the Neoverse N2 cpu and is still open.
|
||||
# to revision r0p0 of the Neoverse N2 cpu and is fixed in r0p1.
|
||||
CPU_FLAG_LIST += ERRATA_N2_2138956
|
||||
|
||||
# Flag to apply erratum 2138953 workaround during reset. This erratum applies
|
||||
# to revision r0p0 of the Neoverse N2 cpu and is still open.
|
||||
# to revision r0p0, r0p1, r0p2, r0p3 of the Neoverse N2 cpu and is still open.
|
||||
CPU_FLAG_LIST += ERRATA_N2_2138953
|
||||
|
||||
# Flag to apply erratum 2242415 workaround during reset. This erratum applies
|
||||
# to revision r0p0 of the Neoverse N2 cpu and is still open.
|
||||
# to revision r0p0 of the Neoverse N2 cpu and is fixed in r0p1.
|
||||
CPU_FLAG_LIST += ERRATA_N2_2242415
|
||||
|
||||
# Flag to apply erratum 2138958 workaround during reset. This erratum applies
|
||||
# to revision r0p0 of the Neoverse N2 cpu and is still open.
|
||||
# to revision r0p0 of the Neoverse N2 cpu and is fixed in r0p1.
|
||||
CPU_FLAG_LIST += ERRATA_N2_2138958
|
||||
|
||||
# Flag to apply erratum 2242400 workaround during reset. This erratum applies
|
||||
# to revision r0p0 of the Neoverse N2 cpu and is still open.
|
||||
# to revision r0p0 of the Neoverse N2 cpu and is fixed in r0p1.
|
||||
CPU_FLAG_LIST += ERRATA_N2_2242400
|
||||
|
||||
# Flag to apply erratum 2280757 workaround during reset. This erratum applies
|
||||
# to revision r0p0 of the Neoverse N2 cpu and is still open.
|
||||
# to revision r0p0 of the Neoverse N2 cpu and is fixed in r0p1.
|
||||
CPU_FLAG_LIST += ERRATA_N2_2280757
|
||||
|
||||
# Flag to apply erraturm 2326639 workaroud during powerdown. This erratum
|
||||
|
|
@ -656,7 +656,7 @@ CPU_FLAG_LIST += ERRATA_N2_2280757
|
|||
CPU_FLAG_LIST += ERRATA_N2_2326639
|
||||
|
||||
# Flag to apply erratum 2376738 workaround during reset. This erratum applies
|
||||
# to revision r0p0 of the Neoverse N2 cpu, it is fixed in r0p1.
|
||||
# to revision r0p0, r0p1, r0p2, r0p3 of the Neoverse N2 cpu and is still open.
|
||||
CPU_FLAG_LIST += ERRATA_N2_2376738
|
||||
|
||||
# Flag to apply erratum 2388450 workaround during reset. This erratum applies
|
||||
|
|
@ -668,10 +668,18 @@ CPU_FLAG_LIST += ERRATA_N2_2388450
|
|||
# r0p3.
|
||||
CPU_FLAG_LIST += ERRATA_N2_2728475
|
||||
|
||||
# Flag to apply erratum 2743014 workaround during reset. This erratum applies
|
||||
# to r0p0, r0p1, r0p2 of the Neoverse N2 cpu, it is fixed in r0p3.
|
||||
CPU_FLAG_LIST += ERRATA_N2_2743014
|
||||
|
||||
# Flag to apply erratum 2743089 workaround during during powerdown. This erratum
|
||||
# applies to all revisions <= r0p2 of the Neoverse N2 cpu, it is fixed in r0p3.
|
||||
CPU_FLAG_LIST += ERRATA_N2_2743089
|
||||
|
||||
# Flag to apply erratum 2779511 workaround during reset. This erratum applies
|
||||
# to r0p0, r0p1, r0p2 of the Neoverse N2 cpu, it is fixed in r0p3.
|
||||
CPU_FLAG_LIST += ERRATA_N2_2779511
|
||||
|
||||
# Flag to apply erratum 2002765 workaround during reset. This erratum applies
|
||||
# to revisions r0p0, r1p0, and r2p0 of the Cortex-X2 cpu and is still open.
|
||||
CPU_FLAG_LIST += ERRATA_X2_2002765
|
||||
|
|
|
|||
|
|
@ -30,6 +30,7 @@ CORTEX_A76_H_INC := 1
|
|||
CORTEX_A77_H_INC := 1
|
||||
CORTEX_A78_H_INC := 1
|
||||
NEOVERSE_N1_H_INC := 1
|
||||
NEOVERSE_N2_H_INC := 1
|
||||
NEOVERSE_V1_H_INC := 1
|
||||
CORTEX_A78_AE_H_INC := 1
|
||||
CORTEX_A510_H_INC := 1
|
||||
|
|
@ -41,6 +42,7 @@ $(eval $(call add_define, CORTEX_A76_H_INC))
|
|||
$(eval $(call add_define, CORTEX_A77_H_INC))
|
||||
$(eval $(call add_define, CORTEX_A78_H_INC))
|
||||
$(eval $(call add_define, NEOVERSE_N1_H_INC))
|
||||
$(eval $(call add_define, NEOVERSE_N2_H_INC))
|
||||
$(eval $(call add_define, NEOVERSE_V1_H_INC))
|
||||
$(eval $(call add_define, CORTEX_A78_AE_H_INC))
|
||||
$(eval $(call add_define, CORTEX_A510_H_INC))
|
||||
|
|
|
|||
|
|
@ -39,7 +39,7 @@
|
|||
#include <cortex_a9.h>
|
||||
#endif
|
||||
|
||||
#define MAX_ERRATA_ENTRIES 16
|
||||
#define MAX_ERRATA_ENTRIES 32
|
||||
|
||||
#define ERRATA_LIST_END (MAX_ERRATA_ENTRIES - 1)
|
||||
|
||||
|
|
|
|||
|
|
@ -346,8 +346,10 @@ struct em_cpu_list cpu_list[] = {
|
|||
[12] = {2388450, 0x00, 0x00, ERRATA_N2_2388450},
|
||||
[13] = {2728475, 0x00, 0x02, ERRATA_N2_2728475, \
|
||||
ERRATA_NON_ARM_INTERCONNECT},
|
||||
[14] = {2743089, 0x00, 0x02, ERRATA_N2_2743089},
|
||||
[15 ... ERRATA_LIST_END] = UNDEF_ERRATA,
|
||||
[14] = {2743014, 0x00, 0x02, ERRATA_N2_2743014},
|
||||
[15] = {2743089, 0x00, 0x02, ERRATA_N2_2743089},
|
||||
[16] = {2779511, 0x00, 0x02, ERRATA_N2_2779511},
|
||||
[17 ... ERRATA_LIST_END] = UNDEF_ERRATA,
|
||||
}
|
||||
},
|
||||
#endif /* NEOVERSE_N2_H_INC */
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue