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Commit 29a20428 authored by John Garry's avatar John Garry Committed by Martin K. Petersen
Browse files

hisi_sas: add v2 phy init code 



Signed-off-by: default avatarJohn Garry <john.garry@huawei.com>
Reviewed-by: default avatarHannes Reinecke <hare@suse.de>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 806bb768

drivers/scsi/hisi_sas/hisi_sas_v2_hw.c

+49 −0
Original line number Diff line number Diff line
@@ -288,6 +288,15 @@ static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba, 
	return readl(regs);

}



static void config_phy_opt_mode_v2_hw(struct hisi_hba *hisi_hba, int phy_no)

{

	u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);



	cfg &= ~PHY_CFG_DC_OPT_MSK;

	cfg |= 1 << PHY_CFG_DC_OPT_OFF;

	hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);

}



static void config_id_frame_v2_hw(struct hisi_hba *hisi_hba, int phy_no)

{

	struct sas_identify_frame identify_frame;
@@ -563,6 +572,44 @@ static int hw_init_v2_hw(struct hisi_hba *hisi_hba) 
	return 0;

}



static void enable_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)

{

	u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);



	cfg |= PHY_CFG_ENA_MSK;

	hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);

}



static void start_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)

{

	config_id_frame_v2_hw(hisi_hba, phy_no);

	config_phy_opt_mode_v2_hw(hisi_hba, phy_no);

	enable_phy_v2_hw(hisi_hba, phy_no);

}



static void start_phys_v2_hw(unsigned long data)

{

	struct hisi_hba *hisi_hba = (struct hisi_hba *)data;

	int i;



	for (i = 0; i < hisi_hba->n_phy; i++)

		start_phy_v2_hw(hisi_hba, i);

}



static void phys_init_v2_hw(struct hisi_hba *hisi_hba)

{

	int i;

	struct timer_list *timer = &hisi_hba->timer;



	for (i = 0; i < hisi_hba->n_phy; i++) {

		hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x6a);

		hisi_sas_phy_read32(hisi_hba, i, CHL_INT2_MSK);

	}



	setup_timer(timer, start_phys_v2_hw, (unsigned long)hisi_hba);

	mod_timer(timer, jiffies + HZ);

}



static int hisi_sas_v2_init(struct hisi_hba *hisi_hba)

{

	int rc;
@@ -571,6 +618,8 @@ static int hisi_sas_v2_init(struct hisi_hba *hisi_hba) 
	if (rc)

		return rc;



	phys_init_v2_hw(hisi_hba);



	return 0;

}