redonkable/alistair23-linux
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isci: Implement SCU AFE recipe 10.

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Updated SCU AFE initialization values accordingly to the recipe 10.

Signed-off-by: Maciej Patelczyk <maciej.patelczyk@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Maciej Patelczyk 2011-04-27 17:50:50 +00:00 committed by Dan Williams
parent d2d61433a8
commit e76d80579c
1 changed files with 11 additions and 2 deletions
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13
drivers/scsi/isci/core/scic_sds_controller.c
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@ -442,11 +442,20 @@ static void scic_sds_controller_afe_initialization(struct scic_sds_controller *s
writel(0x0081000f, &scic->scu_registers->afe.afe_dfx_master_control0);
udelay(AFE_REGISTER_WRITE_DELAY);
if (is_b0()) {
/* PM Rx Equalization Save, PM SPhy Rx Acknowledgement
* Timer, PM Stagger Timer */
writel(0x0007BFFF, &scic->scu_registers->afe.afe_pmsn_master_control2);
udelay(AFE_REGISTER_WRITE_DELAY);
}
/* Configure bias currents to normal */
if (is_a0())
writel(0x00005500, &scic->scu_registers->afe.afe_bias_control);
else
else if (is_a2())
writel(0x00005A00, &scic->scu_registers->afe.afe_bias_control);
else if (is_b0())
writel(0x00005F00, &scic->scu_registers->afe.afe_bias_control);
udelay(AFE_REGISTER_WRITE_DELAY);
@ -464,7 +473,7 @@ static void scic_sds_controller_afe_initialization(struct scic_sds_controller *s
udelay(AFE_REGISTER_WRITE_DELAY);
} while ((afe_status & 0x00001000) == 0);
if (is_b0()) {
if (is_a0() || is_a2()) {
/* Shorten SAS SNW lock time (RxLock timer value from 76 us to 50 us) */
writel(0x7bcc96ad, &scic->scu_registers->afe.afe_pmsn_master_control0);
udelay(AFE_REGISTER_WRITE_DELAY);