From: John Garry <john.garry@huawei.com>
To: <jejb@linux.vnet.ibm.com>, <martin.petersen@oracle.com>
Cc: <john.garry2@mail.dcu.ie>, <linuxarm@huawei.com>,
<linux-scsi@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<arnd@arndb.de>, Xiang Chen <chenxiang66@hisilicon.com>,
John Garry <john.garry@huawei.com>
Subject: [PATCH 11/22] scsi: hisi_sas: add v3 hw PHY init
Date: Wed, 17 May 2017 18:49:46 +0800 [thread overview]
Message-ID: <1495018197-120535-12-git-send-email-john.garry@huawei.com> (raw)
In-Reply-To: <1495018197-120535-1-git-send-email-john.garry@huawei.com>
From: Xiang Chen <chenxiang66@hisilicon.com>
Add code to configure PHYs for v3 hw.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
---
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 126 +++++++++++++++++++++++++++++++++
1 file changed, 126 insertions(+)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index f2ea8c8..ea18582 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -19,6 +19,10 @@
#define ITCT_BASE_ADDR_HI 0x14
#define IO_BROKEN_MSG_ADDR_LO 0x18
#define IO_BROKEN_MSG_ADDR_HI 0x1c
+#define PHY_CONTEXT 0x20
+#define PHY_STATE 0x24
+#define PHY_PORT_NUM_MA 0x28
+#define PHY_CONN_RATE 0x30
#define AXI_AHB_CLK_CFG 0x3c
#define AXI_USER1 0x48
#define AXI_USER2 0x4c
@@ -42,6 +46,7 @@
#define CFG_SET_ABORTED_IPTT_OFF 0
#define CFG_SET_ABORTED_IPTT_MSK (0xfff << CFG_SET_ABORTED_IPTT_OFF)
#define CFG_1US_TIMER_TRSH 0xcc
+#define CHNL_INT_STATUS 0x148
#define INT_COAL_EN 0x19c
#define OQ_INT_COAL_TIME 0x1a0
#define OQ_INT_COAL_CNT 0x1a4
@@ -68,9 +73,11 @@
#define ENT_INT_SRC_MSK1 0x1c4
#define ENT_INT_SRC_MSK2 0x1c8
#define ENT_INT_SRC_MSK3 0x1cc
+#define ENT_INT_SRC_MSK3_ENT95_MSK_OFF 31
#define CHNL_PHYUPDOWN_INT_MSK 0x1d0
#define CHNL_ENT_INT_MSK 0x1d4
#define HGC_COM_INT_MSK 0x1d8
+#define ENT_INT_SRC_MSK3_ENT95_MSK_MSK (0x1 << ENT_INT_SRC_MSK3_ENT95_MSK_OFF)
#define SAS_ECC_INTR 0x1e8
#define SAS_ECC_INTR_MSK 0x1ec
#define HGC_ERR_STAT_EN 0x238
@@ -91,11 +98,33 @@
/* phy registers requiring init */
#define PORT_BASE (0x2000)
+#define PHY_CFG (PORT_BASE + 0x0)
+#define HARD_PHY_LINKRATE (PORT_BASE + 0x4)
+#define PHY_CFG_ENA_OFF 0
+#define PHY_CFG_ENA_MSK (0x1 << PHY_CFG_ENA_OFF)
+#define PHY_CFG_DC_OPT_OFF 2
+#define PHY_CFG_DC_OPT_MSK (0x1 << PHY_CFG_DC_OPT_OFF)
#define PROG_PHY_LINK_RATE (PORT_BASE + 0x8)
#define PHY_CTRL (PORT_BASE + 0x14)
#define PHY_CTRL_RESET_OFF 0
#define PHY_CTRL_RESET_MSK (0x1 << PHY_CTRL_RESET_OFF)
#define SL_CFG (PORT_BASE + 0x84)
+#define SL_CONTROL (PORT_BASE + 0x94)
+#define SL_CONTROL_NOTIFY_EN_OFF 0
+#define SL_CONTROL_NOTIFY_EN_MSK (0x1 << SL_CONTROL_NOTIFY_EN_OFF)
+#define SL_CTA_OFF 17
+#define SL_CTA_MSK (0x1 << SL_CTA_OFF)
+#define TX_ID_DWORD0 (PORT_BASE + 0x9c)
+#define TX_ID_DWORD1 (PORT_BASE + 0xa0)
+#define TX_ID_DWORD2 (PORT_BASE + 0xa4)
+#define TX_ID_DWORD3 (PORT_BASE + 0xa8)
+#define TX_ID_DWORD4 (PORT_BASE + 0xaC)
+#define TX_ID_DWORD5 (PORT_BASE + 0xb0)
+#define TX_ID_DWORD6 (PORT_BASE + 0xb4)
+#define TXID_AUTO (PORT_BASE + 0xb8)
+#define CT3_OFF 1
+#define CT3_MSK (0x1 << CT3_OFF)
+#define RX_IDAF_DWORD0 (PORT_BASE + 0xc4)
#define RXOP_CHECK_CFG_H (PORT_BASE + 0xfc)
#define SAS_SSP_CON_TIMER_CFG (PORT_BASE + 0x134)
#define SAS_SMP_CON_TIMER_CFG (PORT_BASE + 0x138)
@@ -135,6 +164,13 @@ struct hisi_sas_complete_v3_hdr {
};
#define HISI_SAS_COMMAND_ENTRIES_V3_HW 4096
+#define HISI_SAS_MSI_COUNT_V3_HW 32
+
+enum {
+ HISI_SAS_PHY_PHY_UPDOWN,
+ HISI_SAS_PHY_CHNL_INT,
+ HISI_SAS_PHY_INT_NR
+};
static void hisi_sas_write32(struct hisi_hba *hisi_hba, u32 off, u32 val)
{
@@ -151,6 +187,14 @@ static void hisi_sas_phy_write32(struct hisi_hba *hisi_hba, int phy_no,
writel(val, regs);
}
+static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba,
+ int phy_no, u32 off)
+{
+ void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
+
+ return readl(regs);
+}
+
static void init_reg_v3_hw(struct hisi_hba *hisi_hba)
{
int i;
@@ -265,6 +309,45 @@ static void init_reg_v3_hw(struct hisi_hba *hisi_hba)
upper_32_bits(hisi_hba->initial_fis_dma));
}
+static void config_phy_opt_mode_v3_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_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+ struct sas_identify_frame identify_frame;
+ u32 *identify_buffer;
+
+ memset(&identify_frame, 0, sizeof(identify_frame));
+ identify_frame.dev_type = SAS_END_DEVICE;
+ identify_frame.frame_type = 0;
+ identify_frame._un1 = 1;
+ identify_frame.initiator_bits = SAS_PROTOCOL_ALL;
+ identify_frame.target_bits = SAS_PROTOCOL_NONE;
+ memcpy(&identify_frame._un4_11[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
+ memcpy(&identify_frame.sas_addr[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
+ identify_frame.phy_id = phy_no;
+ identify_buffer = (u32 *)(&identify_frame);
+
+ hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD0,
+ __swab32(identify_buffer[0]));
+ hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD1,
+ __swab32(identify_buffer[1]));
+ hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD2,
+ __swab32(identify_buffer[2]));
+ hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD3,
+ __swab32(identify_buffer[3]));
+ hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD4,
+ __swab32(identify_buffer[4]));
+ hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD5,
+ __swab32(identify_buffer[5]));
+}
+
static int hw_init_v3_hw(struct hisi_hba *hisi_hba)
{
init_reg_v3_hw(hisi_hba);
@@ -272,6 +355,47 @@ static int hw_init_v3_hw(struct hisi_hba *hisi_hba)
return 0;
}
+static void enable_phy_v3_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_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+ config_id_frame_v3_hw(hisi_hba, phy_no);
+ config_phy_opt_mode_v3_hw(hisi_hba, phy_no);
+ enable_phy_v3_hw(hisi_hba, phy_no);
+}
+
+static void start_phys_v3_hw(struct hisi_hba *hisi_hba)
+{
+ int i;
+
+ for (i = 0; i < hisi_hba->n_phy; i++)
+ start_phy_v3_hw(hisi_hba, i);
+}
+
+static void phys_init_v3_hw(struct hisi_hba *hisi_hba)
+{
+ start_phys_v3_hw(hisi_hba);
+}
+
+static void sl_notify_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+ u32 sl_control;
+
+ sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
+ sl_control |= SL_CONTROL_NOTIFY_EN_MSK;
+ hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
+ msleep(1);
+ sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
+ sl_control &= ~SL_CONTROL_NOTIFY_EN_MSK;
+ hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
+}
+
static int hisi_sas_v3_init(struct hisi_hba *hisi_hba)
{
int rc;
@@ -286,7 +410,9 @@ static int hisi_sas_v3_init(struct hisi_hba *hisi_hba)
static const struct hisi_sas_hw hisi_sas_v3_hw = {
.hw_init = hisi_sas_v3_init,
.max_command_entries = HISI_SAS_COMMAND_ENTRIES_V3_HW,
+ .sl_notify = sl_notify_v3_hw,
.complete_hdr_size = sizeof(struct hisi_sas_complete_v3_hdr),
+ .phys_init = phys_init_v3_hw,
};
enum {
--
1.9.1
next prev parent reply other threads:[~2017-05-17 10:23 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-17 10:49 [PATCH 00/22] hisi_sas: hip08 support John Garry
2017-05-17 10:49 ` [PATCH 01/22] scsi: hisi_sas: fix timeout check in hisi_sas_internal_task_abort() John Garry
2017-05-17 10:49 ` [PATCH 02/22] scsi: hisi_sas: optimise the usage of hisi_hba.lock John Garry
2017-05-17 10:49 ` [PATCH 03/22] scsi: hisi_sas: relocate get_ata_protocol() John Garry
2017-05-17 10:49 ` [PATCH 04/22] scsi: hisi_sas: relocate sata_done_v2_hw() John Garry
2017-05-17 10:49 ` [PATCH 05/22] scsi: hisi_sas: relocate get_ncq_tag_v2_hw() John Garry
2017-05-17 10:49 ` [PATCH 06/22] scsi: hisi_sas: add pci_dev in hisi_hba struct John Garry
2017-05-17 10:49 ` [PATCH 07/22] scsi: hisi_sas: add the initialisation for pci-based controller John Garry
2017-05-17 12:33 ` Arnd Bergmann
2017-05-17 13:03 ` John Garry
2017-05-17 10:49 ` [PATCH 08/22] scsi: hisi_sas: add bare v3 hw driver John Garry
2017-05-17 10:49 ` [PATCH 09/22] scsi: hisi_sas: retrieve SAS address for pci-based controller John Garry
2017-05-17 12:37 ` Arnd Bergmann
2017-05-17 13:37 ` John Garry
2017-05-17 14:13 ` Arnd Bergmann
2017-05-17 16:45 ` John Garry
2017-05-17 19:23 ` Arnd Bergmann
2017-05-18 9:09 ` John Garry
2017-05-17 10:49 ` [PATCH 10/22] scsi: hisi_sas: add v3 hw init John Garry
2017-05-17 10:49 ` John Garry [this message]
2017-05-17 10:49 ` [PATCH 12/22] scsi: hisi_sas: add phy up/down/bcast and channel ISR John Garry
2017-05-17 10:49 ` [PATCH 13/22] scsi: hisi_sas: add v3 cq interrupt handler John Garry
2017-05-17 10:49 ` [PATCH 14/22] scsi: hisi_sas: add v3 code to send SSP frame John Garry
2017-05-17 10:49 ` [PATCH 15/22] scsi: hisi_sas: add v3 code to send SMP frame John Garry
2017-05-17 10:49 ` [PATCH 16/22] scsi: hisi_sas: add v3 code to send ATA frame John Garry
2017-05-17 10:49 ` [PATCH 17/22] scsi: hisi_sas: add v3 code for itct setup and free John Garry
2017-05-17 10:49 ` [PATCH 18/22] scsi: hisi_sas: add v3 code to send internal abort command John Garry
2017-05-17 10:49 ` [PATCH 19/22] scsi: hisi_sas: add get_wideport_bitmap_v3_hw() John Garry
2017-05-17 10:49 ` [PATCH 20/22] scsi: hisi_sas: Add v3 code to support ECC and AXI bus fatal error John Garry
2017-05-17 12:27 ` Arnd Bergmann
2017-05-17 12:38 ` John Garry
2017-06-13 14:05 ` John Garry
2017-05-17 10:49 ` [PATCH 21/22] scsi: hisi_sas: add v3 code to fill some more hw function pointers John Garry
2017-05-17 10:49 ` [PATCH 22/22] scsi: hisi_sas: modify internal abort dev flow for v3 hw John Garry
2017-05-17 12:38 ` [PATCH 00/22] hisi_sas: hip08 support Arnd Bergmann
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