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| author | Tao Zhang <quic_taozha@quicinc.com> | 2024-02-04 08:30:41 +0300 |
|---|---|---|
| committer | Suzuki K Poulose <suzuki.poulose@arm.com> | 2024-02-12 13:29:47 +0300 |
| commit | 8e8804145a46e092c5207bb1258d29236a2cbcaa (patch) | |
| tree | 0c711a8a25b7a7619064f7df47cb21141fecebc3 /drivers/hwtracing/coresight/coresight-tpdm.h | |
| parent | 19bfaff3845727f354079a140f092336d97e5c1e (diff) | |
| download | linux-8e8804145a46e092c5207bb1258d29236a2cbcaa.tar.xz | |
coresight-tpdm: Add msr register support for CMB
Add the nodes for CMB subunit MSR(mux select register) support.
CMB MSRs(mux select registers) is to separate mux, arbitration,
interleaving,data packing control from stream filtering control.
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1707024641-22460-11-git-send-email-quic_taozha@quicinc.com
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-tpdm.h')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-tpdm.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.h b/drivers/hwtracing/coresight/coresight-tpdm.h index 6d1fe4aed7d0..f3a8f56d0fe7 100644 --- a/drivers/hwtracing/coresight/coresight-tpdm.h +++ b/drivers/hwtracing/coresight/coresight-tpdm.h @@ -21,6 +21,8 @@ #define TPDM_CMB_XPR(n) (0xA18 + (n * 4)) /* CMB subunit trigger pattern mask registers */ #define TPDM_CMB_XPMR(n) (0xA20 + (n * 4)) +/* CMB MSR register */ +#define TPDM_CMB_MSR(n) (0xA80 + (n * 4)) /* Enable bit for CMB subunit */ #define TPDM_CMB_CR_ENA BIT(0) @@ -36,6 +38,9 @@ /* Patten register number */ #define TPDM_CMB_MAX_PATT 2 +/* MAX number of DSB MSR */ +#define TPDM_CMB_MAX_MSR 32 + /* DSB Subunit Registers */ #define TPDM_DSB_CR (0x780) #define TPDM_DSB_TIER (0x784) @@ -203,6 +208,10 @@ tpdm_patt_enable_ts(enable_ts, \ CMB_PATT) +#define CMB_MSR_ATTR(nr) \ + tpdm_simple_dataset_rw(msr##nr, \ + CMB_MSR, nr) + /** * struct dsb_dataset - specifics associated to dsb dataset * @mode: DSB programming mode @@ -242,6 +251,7 @@ struct dsb_dataset { * @patt_mask: Save value for pattern mask * @trig_patt: Save value for trigger pattern * @trig_patt_mask: Save value for trigger pattern mask + * @msr Save value for MSR * @patt_ts: Indicates if pattern match for timestamp is enabled. * @trig_ts: Indicates if CTI trigger for timestamp is enabled. * @ts_all: Indicates if timestamp is enabled for all packets. @@ -252,6 +262,7 @@ struct cmb_dataset { u32 patt_mask[TPDM_CMB_MAX_PATT]; u32 trig_patt[TPDM_CMB_MAX_PATT]; u32 trig_patt_mask[TPDM_CMB_MAX_PATT]; + u32 msr[TPDM_CMB_MAX_MSR]; bool patt_ts; bool trig_ts; bool ts_all; @@ -268,6 +279,7 @@ struct cmb_dataset { * @dsb Specifics associated to TPDM DSB. * @cmb Specifics associated to TPDM CMB. * @dsb_msr_num Number of MSR supported by DSB TPDM + * @cmb_msr_num Number of MSR supported by CMB TPDM */ struct tpdm_drvdata { @@ -280,6 +292,7 @@ struct tpdm_drvdata { struct dsb_dataset *dsb; struct cmb_dataset *cmb; u32 dsb_msr_num; + u32 cmb_msr_num; }; /* Enumerate members of various datasets */ @@ -294,7 +307,8 @@ enum dataset_mem { CMB_TRIG_PATT, CMB_TRIG_PATT_MASK, CMB_PATT, - CMB_PATT_MASK + CMB_PATT_MASK, + CMB_MSR }; /** |