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plat/nxp: tryfix ACTLR
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Signed-off-by: Andrew Yong <me@ndoo.sg>
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ndoo committed Oct 9, 2024
1 parent cb7ce31 commit aa32070
Showing 1 changed file with 23 additions and 10 deletions.
33 changes: 23 additions & 10 deletions plat/nxp/common/aarch64/ls_helpers.S
Original file line number Diff line number Diff line change
Expand Up @@ -195,19 +195,32 @@ func _set_smmu_pagesz_64
endfunc _set_smmu_pagesz_64

func _delay_exclusive_snoop_A72
mrs x0, CORTEX_A72_CPUACTLR_EL1
tst x0, #CORTEX_A72_CPUACTLR_EL1_DELAY_EXCLUSIVE_SNOOP
b.eq 1f
b 2f

mrs x0, CORTEX_A72_L2CTLR_EL1
/* Enable L2 ECC and parity with inline data */
orr x0, x0, #CORTEX_A72_L2CTLR_EL1_ECC_AND_PARITY_ENABLE
orr x0, x0, #CORTEX_A72_L2CTLR_EL1_DATA_INLINE_ECC_ENABLE
msr CORTEX_A72_L2CTLR_EL1, x0

mrs x0, CORTEX_A72_L2ACTLR_EL1
/* Enable L2 UniqueClean evictions with data */
orr x0, x0, #CORTEX_A72_L2ACTLR_ENABLE_UNIQUE_CLEAN
msr CORTEX_A72_L2ACTLR_EL1, x0

mrs x0, CORTEX_A72_CPUACTLR_EL1
/* Set Snoop-delayed exclusive handling */
tst x0, #CORTEX_A72_CPUACTLR_EL1_DELAY_EXCLUSIVE_SNOOP
b.eq 1f
b 2f

.align 6
1:
dsb sy
isb
orr x0, x0, #CORTEX_A72_CPUACTLR_EL1_DELAY_EXCLUSIVE_SNOOP
msr CORTEX_A72_CPUACTLR_EL1, x0
isb
dsb sy
isb
orr x0, x0, #CORTEX_A72_CPUACTLR_EL1_DELAY_EXCLUSIVE_SNOOP
msr CORTEX_A72_CPUACTLR_EL1, x0
isb

2:
ret
ret
endfunc _delay_exclusive_snoop_A72

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