diff options
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-etm4x.h')
-rw-r--r-- | drivers/hwtracing/coresight/coresight-etm4x.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h index b3b5ea7b7fb3..397fd40556b0 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.h +++ b/drivers/hwtracing/coresight/coresight-etm4x.h @@ -182,6 +182,7 @@ ETM_MODE_EXCL_USER) #define TRCSTATR_IDLE_BIT 0 +#define TRCSTATR_PMSTABLE_BIT 1 #define ETM_DEFAULT_ADDR_COMP 0 /* PowerDown Control Register bits */ @@ -292,6 +293,65 @@ struct etmv4_config { }; /** + * struct etm4_save_state - state to be preserved when ETM is without power + */ +struct etmv4_save_state { + u32 trcprgctlr; + u32 trcprocselr; + u32 trcconfigr; + u32 trcauxctlr; + u32 trceventctl0r; + u32 trceventctl1r; + u32 trcstallctlr; + u32 trctsctlr; + u32 trcsyncpr; + u32 trcccctlr; + u32 trcbbctlr; + u32 trctraceidr; + u32 trcqctlr; + + u32 trcvictlr; + u32 trcviiectlr; + u32 trcvissctlr; + u32 trcvipcssctlr; + u32 trcvdctlr; + u32 trcvdsacctlr; + u32 trcvdarcctlr; + + u32 trcseqevr[ETM_MAX_SEQ_STATES]; + u32 trcseqrstevr; + u32 trcseqstr; + u32 trcextinselr; + u32 trccntrldvr[ETMv4_MAX_CNTR]; + u32 trccntctlr[ETMv4_MAX_CNTR]; + u32 trccntvr[ETMv4_MAX_CNTR]; + + u32 trcrsctlr[ETM_MAX_RES_SEL * 2]; + + u32 trcssccr[ETM_MAX_SS_CMP]; + u32 trcsscsr[ETM_MAX_SS_CMP]; + u32 trcsspcicr[ETM_MAX_SS_CMP]; + + u64 trcacvr[ETM_MAX_SINGLE_ADDR_CMP]; + u64 trcacatr[ETM_MAX_SINGLE_ADDR_CMP]; + u64 trccidcvr[ETMv4_MAX_CTXID_CMP]; + u32 trcvmidcvr[ETM_MAX_VMID_CMP]; + u32 trccidcctlr0; + u32 trccidcctlr1; + u32 trcvmidcctlr0; + u32 trcvmidcctlr1; + + u32 trcclaimset; + + u32 cntr_val[ETMv4_MAX_CNTR]; + u32 seq_state; + u32 vinst_ctrl; + u32 ss_status[ETM_MAX_SS_CMP]; + + u32 trcpdcr; +}; + +/** * struct etm4_drvdata - specifics associated to an ETM component * @base: Memory mapped base address for this component. * @dev: The device entity associated to this component. @@ -347,6 +407,8 @@ struct etmv4_config { * @atbtrig: If the implementation can support ATB triggers * @lpoverride: If the implementation can support low-power state over. * @config: structure holding configuration parameters. + * @save_state: State to be preserved across power loss + * @state_needs_restore: True when there is context to restore after PM exit */ struct etmv4_drvdata { void __iomem *base; @@ -393,6 +455,8 @@ struct etmv4_drvdata { bool atbtrig; bool lpoverride; struct etmv4_config config; + struct etmv4_save_state *save_state; + bool state_needs_restore; }; /* Address comparator access types */ |