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refactor(cpus): convert the Cortex-A78AE to use cpu helpers

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Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Change-Id: Ic4189d943c3e55bc25a82f09f2ad4a5b06f443a3
This commit is contained in:
Boyan Karatotev 2023-04-05 16:29:25 +01:00 • committed by Sona Mathew
parent 15702f280a
commit 65a5384844
1 changed files with 11 additions and 24 deletions
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35
lib/cpus/aarch64/cortex_a78_ae.S
View file

@ -23,13 +23,10 @@
#endif /* WORKAROUND_CVE_2022_23960 */
workaround_reset_start cortex_a78_ae, ERRATUM(1941500), ERRATA_A78_AE_1941500
/* Set bit 8 in ECTLR_EL1 */
mrs x0, CORTEX_A78_AE_CPUECTLR_EL1
bic x0, x0, #CORTEX_A78_AE_CPUECTLR_EL1_BIT_8
msr CORTEX_A78_AE_CPUECTLR_EL1, x0
sysreg_bit_clear CORTEX_A78_AE_CPUECTLR_EL1, CORTEX_A78_AE_CPUECTLR_EL1_BIT_8
workaround_reset_end cortex_a78_ae, ERRATUM(1941500)
check_erratum_range cortex_a78_ae, ERRATUM(1941500), CPU_REV(0, 0), CPU_REV(0, 1)
check_erratum_ls cortex_a78_ae, ERRATUM(1941500), CPU_REV(0, 1)
workaround_reset_start cortex_a78_ae, ERRATUM(1951502), ERRATA_A78_AE_1951502
msr S3_6_c15_c8_0, xzr
@ -59,7 +56,7 @@ workaround_reset_start cortex_a78_ae, ERRATUM(1951502), ERRATA_A78_AE_1951502
msr S3_6_c15_c8_1, x0
workaround_reset_end cortex_a78_ae, ERRATUM(1951502)
check_erratum_range cortex_a78_ae, ERRATUM(1951502), CPU_REV(0, 0), CPU_REV(0, 1)
check_erratum_ls cortex_a78_ae, ERRATUM(1951502), CPU_REV(0, 1)
workaround_reset_start cortex_a78_ae, ERRATUM(2376748), ERRATA_A78_AE_2376748
/* -------------------------------------------------------
@ -70,12 +67,10 @@ workaround_reset_start cortex_a78_ae, ERRATUM(2376748), ERRATA_A78_AE_2376748
* that share data.
* -------------------------------------------------------
*/
mrs x0, CORTEX_A78_AE_ACTLR2_EL1
orr x0, x0, #CORTEX_A78_AE_ACTLR2_EL1_BIT_0
msr CORTEX_A78_AE_ACTLR2_EL1, x0
sysreg_bit_set CORTEX_A78_AE_ACTLR2_EL1, CORTEX_A78_AE_ACTLR2_EL1_BIT_0
workaround_reset_end cortex_a78_ae, ERRATUM(2376748)
check_erratum_range cortex_a78_ae, ERRATUM(2376748), CPU_REV(0, 0), CPU_REV(0, 1)
check_erratum_ls cortex_a78_ae, ERRATUM(2376748), CPU_REV(0, 1)
workaround_reset_start cortex_a78_ae, ERRATUM(2395408), ERRATA_A78_AE_2395408
/* --------------------------------------------------------
@ -84,12 +79,10 @@ workaround_reset_start cortex_a78_ae, ERRATUM(2395408), ERRATA_A78_AE_2395408
* CPUACTLR2_EL1[40] to 1.
* --------------------------------------------------------
*/
mrs x0, CORTEX_A78_AE_ACTLR2_EL1
orr x0, x0, #CORTEX_A78_AE_ACTLR2_EL1_BIT_40
msr CORTEX_A78_AE_ACTLR2_EL1, x0
sysreg_bit_set CORTEX_A78_AE_ACTLR2_EL1, CORTEX_A78_AE_ACTLR2_EL1_BIT_40
workaround_reset_end cortex_a78_ae, ERRATUM(2395408)
check_erratum_range cortex_a78_ae, ERRATUM(2395408), CPU_REV(0, 0), CPU_REV(0, 1)
check_erratum_ls cortex_a78_ae, ERRATUM(2395408), CPU_REV(0, 1)
workaround_reset_start cortex_a78_ae, CVE(2022, 23960), WORKAROUND_CVE_2022_23960
#if IMAGE_BL31
@ -97,7 +90,7 @@ workaround_reset_start cortex_a78_ae, CVE(2022, 23960), WORKAROUND_CVE_2022_2396
* The Cortex-A78AE generic vectors are overridden to apply errata
* mitigation on exception entry from lower ELs.
*/
override_vector_table wa_cve_vbar_cortex_a78_ae
override_vector_table wa_cve_vbar_cortex_a78_ae
#endif /* IMAGE_BL31 */
workaround_reset_end cortex_a78_ae, CVE(2022, 23960)
@ -106,14 +99,10 @@ check_erratum_chosen cortex_a78_ae, CVE(2022, 23960), WORKAROUND_CVE_2022_23960
cpu_reset_func_start cortex_a78_ae
#if ENABLE_FEAT_AMU
/* Make sure accesses from EL0/EL1 and EL2 are not trapped to EL3 */
mrs x0, actlr_el3
bic x0, x0, #CORTEX_A78_ACTLR_TAM_BIT
msr actlr_el3, x0
sysreg_bit_clear actlr_el3, CORTEX_A78_ACTLR_TAM_BIT
/* Make sure accesses from non-secure EL0/EL1 are not trapped to EL2 */
mrs x0, actlr_el2
bic x0, x0, #CORTEX_A78_ACTLR_TAM_BIT
msr actlr_el2, x0
sysreg_bit_clear actlr_el2, CORTEX_A78_ACTLR_TAM_BIT
/* Enable group0 counters */
mov x0, #CORTEX_A78_AMU_GROUP0_MASK
@ -134,9 +123,7 @@ func cortex_a78_ae_core_pwr_dwn
* Enable CPU power down bit in power control register
* -------------------------------------------------------
*/
mrs x0, CORTEX_A78_CPUPWRCTLR_EL1
orr x0, x0, #CORTEX_A78_CPUPWRCTLR_EL1_CORE_PWRDN_EN_BIT
msr CORTEX_A78_CPUPWRCTLR_EL1, x0
sysreg_bit_set CORTEX_A78_CPUPWRCTLR_EL1, CORTEX_A78_CPUPWRCTLR_EL1_CORE_PWRDN_EN_BIT
isb
ret
endfunc cortex_a78_ae_core_pwr_dwn