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armv8: ls1028a: add erratum A-050382 workaround

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Erratum A-050382 states that the eDMA ICID programmed in the eDMA_AMQR
register in DCFG is not correctly forwarded to the SMMU.
The workaround consists in programming the eDMA ICID in the eDMA_AMQR
register in DCFG to 40.

Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
This commit is contained in:
Laurentiu Tudor 2019-10-18 09:01:56 +00:00 committed by Priyanka Jain
parent 30449aea50
commit b4a59115e2
2 changed files with 18 additions and 0 deletions
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3
arch/arm/cpu/armv8/fsl-layerscape/Kconfig
View file

@ -45,6 +45,7 @@ config ARCH_LS1028A
select SYS_FSL_ERRATUM_A008514 if !TFABOOT
select SYS_FSL_ERRATUM_A009663 if !TFABOOT
select SYS_FSL_ERRATUM_A009942 if !TFABOOT
select SYS_FSL_ERRATUM_A050382
imply PANIC_HANG
config ARCH_LS1043A
@ -584,6 +585,8 @@ config SYS_FSL_ERRATUM_A009660
config SYS_FSL_ERRATUM_A009929
bool
config SYS_FSL_ERRATUM_A050382
bool
config SYS_FSL_HAS_RGMII
bool

15
arch/arm/include/asm/arch-fsl-layerscape/stream_id_lsch3.h
View file

@ -105,7 +105,22 @@
#define FSL_SEC_JR4_STREAM_ID 68
#define FSL_SDMMC2_STREAM_ID 69
/*
* Erratum A-050382 workaround
*
* Description:
* The eDMA ICID programmed in the eDMA_AMQR register in DCFG is not
* correctly forwarded to the SMMU.
* Workaround:
* Program eDMA ICID in the eDMA_AMQR register in DCFG to 40.
*/
#ifdef CONFIG_SYS_FSL_ERRATUM_A050382
#define FSL_EDMA_STREAM_ID 40
#else
#define FSL_EDMA_STREAM_ID 70
#endif
#define FSL_GPU_STREAM_ID 71
#define FSL_DISPLAY_STREAM_ID 72
#define FSL_SATA3_STREAM_ID 73