diff options
| author | Jacek Danecki <Jacek.Danecki@intel.com> | 2011-02-23 08:08:58 (GMT) |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2011-07-03 10:55:27 (GMT) |
| commit | d9def184b39b966b7496dfbfad126808d3cd701b (patch) | |
| tree | ba846330e7f33dc8de24c236760a825e30ff75c1 /drivers/scsi/isci/core/scic_sds_phy.c | |
| parent | 246214667f275a952b05a42b3c45a6fcb520bd28 (diff) | |
| download | linux-d9def184b39b966b7496dfbfad126808d3cd701b.tar.xz | |
isci: Add support for user parameters in SCIC layer
Add support for the following parameters in SCIC:
/**
* This field specifies the NOTIFY (ENABLE SPIN UP) primitive
* insertion frequency for this phy index.
*/
u32 notify_enable_spin_up_insertion_frequency;
/**
* This method specifies the number of transmitted DWORDs within which
* to transmit a single ALIGN primitive. This value applies regardless
* of what type of device is attached or connection state. A value of
* 0 indicates that no ALIGN primitives will be inserted.
*/
u16 align_insertion_frequency;
/**
* This method specifies the number of transmitted DWORDs within which
* to transmit 2 ALIGN primitives. This applies for SAS connections
* only. A minimum value of 3 is required for this field.
*/
u16 in_connection_align_insertion_frequency;
Signed-off-by: Krzysztof Wierzbicki <Krzysztof.Wierzbicki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/scsi/isci/core/scic_sds_phy.c')
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_phy.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/scsi/isci/core/scic_sds_phy.c b/drivers/scsi/isci/core/scic_sds_phy.c index bd0a6ba..ecd7cc6 100644 --- a/drivers/scsi/isci/core/scic_sds_phy.c +++ b/drivers/scsi/isci/core/scic_sds_phy.c @@ -125,6 +125,7 @@ static enum sci_status scic_sds_phy_link_layer_initialization( u32 parity_check = 0; u32 parity_count = 0; u32 link_layer_control; + u32 clksm_value = 0; this_phy->link_layer_registers = link_layer_registers; @@ -199,7 +200,20 @@ static enum sci_status scic_sds_phy_link_layer_initialization( SCU_SAS_PHYCAP_WRITE(this_phy, phy_capabilities.u.all); /* Set the enable spinup period but disable the ability to send notify enable spinup */ - SCU_SAS_ENSPINUP_WRITE(this_phy, SCU_ENSPINUP_GEN_VAL(COUNT, 0x33)); + SCU_SAS_ENSPINUP_WRITE(this_phy, SCU_ENSPINUP_GEN_VAL(COUNT, + this_phy->owning_port->owning_controller->user_parameters.sds1. + phys[this_phy->phy_index].notify_enable_spin_up_insertion_frequency)); + + /* Write the ALIGN Insertion Ferequency for connected phy and inpendent of connected state */ + clksm_value = SCU_ALIGN_INSERTION_FREQUENCY_GEN_VAL(CONNECTED, + this_phy->owning_port->owning_controller->user_parameters.sds1. + phys[this_phy->phy_index].in_connection_align_insertion_frequency); + + clksm_value |= SCU_ALIGN_INSERTION_FREQUENCY_GEN_VAL(GENERAL, + this_phy->owning_port->owning_controller->user_parameters.sds1. + phys[this_phy->phy_index].align_insertion_frequency); + + SCU_SAS_CLKSM_WRITE(this_phy, clksm_value); #if defined(CONFIG_PBG_HBA_A0) || defined(CONFIG_PBG_HBA_A2) || defined(CONFIG_PBG_HBA_BETA) /* / @todo Provide a way to write this register correctly */ |