From: Laurentiu Tudor laurentiu.tudor@nxp.com
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 --- Changes in v2: - reworded commit message and comment (Priyanka)
arch/arm/cpu/armv8/fsl-layerscape/Kconfig | 3 +++ .../asm/arch-fsl-layerscape/stream_id_lsch3.h | 15 +++++++++++++++ 2 files changed, 18 insertions(+)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig index 24c606a232..046dcf539e 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig +++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig @@ -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 diff --git a/arch/arm/include/asm/arch-fsl-layerscape/stream_id_lsch3.h b/arch/arm/include/asm/arch-fsl-layerscape/stream_id_lsch3.h index 0b36416ad3..94ea99a349 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/stream_id_lsch3.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/stream_id_lsch3.h @@ -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