diff options
| author | Mandy Lavi <mandy.lavi@freescale.com> | 2013-07-16 08:03:57 (GMT) |
|---|---|---|
| committer | J. German Rivera <Jose.G.Rivera@freescale.com> | 2013-08-12 21:38:38 (GMT) |
| commit | c1efd40363ac2bb4737ae9a22d047eda8510bfe8 (patch) | |
| tree | 27c706c7a496a02987d606a072d79754083844ee /drivers/net | |
| parent | 17b2f42e8fee7ad98cc8f7ed7e50aa5b76a3acab (diff) | |
| download | linux-fsl-qoriq-c1efd40363ac2bb4737ae9a22d047eda8510bfe8.tar.xz | |
fmd: handle erratum A006981
Changes open dma allocation to workaround erratum A006981
Also verify that it applies only to B4-rev1 while rev2 should have this erratum fixed
Signed-off-by: Mandy Lavi <mandy.lavi@freescale.com>
Change-Id: Icc0552269da9ad80763e8ad1394d6ad67ee143a8
Reviewed-on: http://git.am.freescale.net:8181/3428
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Diffstat (limited to 'drivers/net')
3 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/fman/Peripherals/FM/Port/fm_port.c b/drivers/net/ethernet/freescale/fman/Peripherals/FM/Port/fm_port.c index 6b92941..b2dbcac 100644 --- a/drivers/net/ethernet/freescale/fman/Peripherals/FM/Port/fm_port.c +++ b/drivers/net/ethernet/freescale/fman/Peripherals/FM/Port/fm_port.c @@ -2444,6 +2444,17 @@ t_Handle FM_PORT_Config(t_FmPortParams *p_FmPortParams) } } +#ifdef FM_HEAVY_TRAFFIC_SEQUENCER_HANG_ERRATA_FMAN_A006981 + if ((p_FmPort->fmRevInfo.majorRev == 6) && + (p_FmPort->fmRevInfo.minorRev == 0) && + ((p_FmPort->portType == e_FM_PORT_TYPE_OH_OFFLINE_PARSING) || + (p_FmPort->portType == e_FM_PORT_TYPE_TX))) + { + p_FmPort->openDmas.num = 16; + p_FmPort->openDmas.extra = 0; + } +#endif /* FM_HEAVY_TRAFFIC_SEQUENCER_HANG_ERRATA_FMAN_A006981 */ + if (p_FmPort->portType == e_FM_PORT_TYPE_OH_HOST_COMMAND) p_FmPort->p_FmPortDriverParam->syncReq = DEFAULT_PORT_syncReqForHc; else diff --git a/drivers/net/ethernet/freescale/fman/Peripherals/FM/fm.c b/drivers/net/ethernet/freescale/fman/Peripherals/FM/fm.c index 2fdc4c8..a44bdab 100644 --- a/drivers/net/ethernet/freescale/fman/Peripherals/FM/fm.c +++ b/drivers/net/ethernet/freescale/fman/Peripherals/FM/fm.c @@ -3313,6 +3313,10 @@ t_Error FmSetNumOfOpenDmas(t_Handle h_Fm, p_Fm->p_FmStateStruct->fmId)); #else if ((p_Fm->p_FmStateStruct->revInfo.majorRev >= 6) && +#ifdef FM_HEAVY_TRAFFIC_SEQUENCER_HANG_ERRATA_FMAN_A006981 + !((p_Fm->p_FmStateStruct->revInfo.majorRev == 6) && + (p_Fm->p_FmStateStruct->revInfo.minorRev == 0)) && +#endif /* FM_HEAVY_TRAFFIC_SEQUENCER_HANG_ERRATA_FMAN_A006981 */ (p_Fm->p_FmStateStruct->accumulatedNumOfOpenDmas - oldVal + numOfOpenDmas > DMA_THRESH_MAX_COMMQ + 1)) RETURN_ERROR(MAJOR, E_NOT_AVAILABLE, ("Requested numOfOpenDmas for fm%d exceeds DMA Command queue (%d)", diff --git a/drivers/net/ethernet/freescale/fman/inc/integrations/T4240/dpaa_integration_ext.h b/drivers/net/ethernet/freescale/fman/inc/integrations/T4240/dpaa_integration_ext.h index 64349ea..b6780b9 100644 --- a/drivers/net/ethernet/freescale/fman/inc/integrations/T4240/dpaa_integration_ext.h +++ b/drivers/net/ethernet/freescale/fman/inc/integrations/T4240/dpaa_integration_ext.h @@ -264,6 +264,7 @@ typedef enum #define FM_WRONG_RESET_VALUES_ERRATA_FMAN_A005127 #define FM_RX_FIFO_CORRUPT_ERRATA_10GMAC_A006320 #define FM_OP_NO_VSP_NO_RELEASE_ERRATA_FMAN_A006675 +#define FM_HEAVY_TRAFFIC_SEQUENCER_HANG_ERRATA_FMAN_A006981 #define FM_BCB_ERRATA_BMI_SW001 #define FM_LEN_CHECK_ERRATA_FMAN_SW002 |