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Commit e76d8057 authored by Maciej Patelczyk's avatar Maciej Patelczyk Committed by Dan Williams
Browse files

isci: Implement SCU AFE recipe 10. 



Updated SCU AFE initialization values accordingly to the recipe 10.

Signed-off-by: default avatarMaciej Patelczyk <maciej.patelczyk@intel.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent d2d61433

drivers/scsi/isci/core/scic_sds_controller.c

+11 −2
Original line number Diff line number Diff line
@@ -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);