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authorjack_wang <jack_wang@usish.com>2009-11-05 22:32:31 +0800
committerJames Bottomley <James.Bottomley@suse.de>2009-12-04 12:01:30 -0600
commitd0b68041bdd0e5ea6dae1210541bf124443d72ec (patch)
tree2bad62cf3df725f9d0b818d68569d24abee4f7ab /drivers
parentd139b9bd0e52dda14fd13412e7096e68b56d0076 (diff)
downloadlinux-bcache-d0b68041bdd0e5ea6dae1210541bf124443d72ec.tar.zst
[SCSI] pm8001: add reinitialize SPC parameters before phy start
Signed-off-by: Jack Wang <jack_wang@usish.com> Signed-off-by: Lindar Liu <lindar_liu@usish.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/pm8001/pm8001_hwi.c76
-rw-r--r--drivers/scsi/pm8001/pm8001_hwi.h19
-rw-r--r--drivers/scsi/pm8001/pm8001_sas.c1
-rw-r--r--drivers/scsi/pm8001/pm8001_sas.h1
4 files changed, 85 insertions, 12 deletions
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index aa5756fe0574..d18c2635995f 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -57,9 +57,9 @@ static void __devinit read_main_config_table(struct pm8001_hba_info *pm8001_ha)
pm8001_ha->main_cfg_tbl.ctrl_cap_flag = pm8001_mr32(address, 0x14);
pm8001_ha->main_cfg_tbl.gst_offset = pm8001_mr32(address, 0x18);
pm8001_ha->main_cfg_tbl.inbound_queue_offset =
- pm8001_mr32(address, 0x1C);
+ pm8001_mr32(address, MAIN_IBQ_OFFSET);
pm8001_ha->main_cfg_tbl.outbound_queue_offset =
- pm8001_mr32(address, 0x20);
+ pm8001_mr32(address, MAIN_OBQ_OFFSET);
pm8001_ha->main_cfg_tbl.hda_mode_flag =
pm8001_mr32(address, MAIN_HDA_FLAGS_OFFSET);
@@ -124,7 +124,7 @@ read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
int i;
void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
for (i = 0; i < inbQ_num; i++) {
- u32 offset = i * 0x24;
+ u32 offset = i * 0x20;
pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
pm8001_ha->inbnd_q_tbl[i].pi_offset =
@@ -231,7 +231,7 @@ init_default_table_values(struct pm8001_hba_info *pm8001_ha)
pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr =
pm8001_ha->memoryMap.region[PI].phys_addr_lo;
pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay =
- 0 | (0 << 16) | (0 << 24);
+ 0 | (10 << 16) | (0 << 24);
pm8001_ha->outbnd_q_tbl[i].pi_virt =
pm8001_ha->memoryMap.region[PI].virt_ptr;
offsetob = i * 0x24;
@@ -375,13 +375,16 @@ mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha, u32 SSCbit)
{
u32 offset;
u32 value;
- u32 i;
+ u32 i, j;
+ u32 bit_cnt;
#define SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR 0x00030000
#define SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR 0x00040000
#define SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET 0x1074
#define SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET 0x1074
-#define PHY_SSC_BIT_SHIFT 13
+#define PHY_G3_WITHOUT_SSC_BIT_SHIFT 12
+#define PHY_G3_WITH_SSC_BIT_SHIFT 13
+#define SNW3_PHY_CAPABILITIES_PARITY 31
/*
* Using shifted destination address 0x3_0000:0x1074 + 0x4000*N (N=0:3)
@@ -393,10 +396,22 @@ mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha, u32 SSCbit)
for (i = 0; i < 4; i++) {
offset = SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET + 0x4000 * i;
value = pm8001_cr32(pm8001_ha, 2, offset);
- if (SSCbit)
- value = value | (0x00000001 << PHY_SSC_BIT_SHIFT);
+ if (SSCbit) {
+ value |= 0x00000001 << PHY_G3_WITH_SSC_BIT_SHIFT;
+ value &= ~(0x00000001 << PHY_G3_WITHOUT_SSC_BIT_SHIFT);
+ } else {
+ value |= 0x00000001 << PHY_G3_WITHOUT_SSC_BIT_SHIFT;
+ value &= ~(0x00000001 << PHY_G3_WITH_SSC_BIT_SHIFT);
+ }
+ bit_cnt = 0;
+ for (j = 0; j < 31; j++)
+ if ((value >> j) & 0x00000001)
+ bit_cnt++;
+ if (bit_cnt % 2)
+ value &= ~(0x00000001 << SNW3_PHY_CAPABILITIES_PARITY);
else
- value = value & (~(0x00000001<<PHY_SSC_BIT_SHIFT));
+ value |= 0x00000001 << SNW3_PHY_CAPABILITIES_PARITY;
+
pm8001_cw32(pm8001_ha, 2, offset, value);
}
@@ -408,10 +423,22 @@ mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha, u32 SSCbit)
for (i = 4; i < 8; i++) {
offset = SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
value = pm8001_cr32(pm8001_ha, 2, offset);
- if (SSCbit)
- value = value | (0x00000001 << PHY_SSC_BIT_SHIFT);
+ if (SSCbit) {
+ value |= 0x00000001 << PHY_G3_WITH_SSC_BIT_SHIFT;
+ value &= ~(0x00000001 << PHY_G3_WITHOUT_SSC_BIT_SHIFT);
+ } else {
+ value |= 0x00000001 << PHY_G3_WITHOUT_SSC_BIT_SHIFT;
+ value &= ~(0x00000001 << PHY_G3_WITH_SSC_BIT_SHIFT);
+ }
+ bit_cnt = 0;
+ for (j = 0; j < 31; j++)
+ if ((value >> j) & 0x00000001)
+ bit_cnt++;
+ if (bit_cnt % 2)
+ value &= ~(0x00000001 << SNW3_PHY_CAPABILITIES_PARITY);
else
- value = value & (~(0x00000001<<PHY_SSC_BIT_SHIFT));
+ value |= 0x00000001 << SNW3_PHY_CAPABILITIES_PARITY;
+
pm8001_cw32(pm8001_ha, 2, offset, value);
}
@@ -4338,6 +4365,30 @@ pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
payload.nds = cpu_to_le32(state);
mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
return 0;
+}
+
+static int
+pm8001_chip_sas_re_initialization(struct pm8001_hba_info *pm8001_ha)
+{
+ struct sas_re_initialization_req payload;
+ struct inbound_queue_table *circularQ;
+ struct pm8001_ccb_info *ccb;
+ int rc;
+ u32 tag;
+ u32 opc = OPC_INB_SAS_RE_INITIALIZE;
+ memset(&payload, 0, sizeof(payload));
+ rc = pm8001_tag_alloc(pm8001_ha, &tag);
+ if (rc)
+ return -1;
+ ccb = &pm8001_ha->ccb_info[tag];
+ ccb->ccb_tag = tag;
+ circularQ = &pm8001_ha->inbnd_q_tbl[0];
+ payload.tag = cpu_to_le32(tag);
+ payload.SSAHOLT = cpu_to_le32(0xd << 25);
+ payload.sata_hol_tmo = cpu_to_le32(80);
+ payload.open_reject_cmdretries_data_retries = cpu_to_le32(0xff00ff);
+ rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
+ return rc;
}
@@ -4367,5 +4418,6 @@ const struct pm8001_dispatch pm8001_8001_dispatch = {
.set_nvmd_req = pm8001_chip_set_nvmd_req,
.fw_flash_update_req = pm8001_chip_fw_flash_update_req,
.set_dev_state_req = pm8001_chip_set_dev_state_req,
+ .sas_re_init_req = pm8001_chip_sas_re_initialization,
};
diff --git a/drivers/scsi/pm8001/pm8001_hwi.h b/drivers/scsi/pm8001/pm8001_hwi.h
index 3690a2ba0eb2..96e4daa68b8f 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.h
+++ b/drivers/scsi/pm8001/pm8001_hwi.h
@@ -490,6 +490,25 @@ struct set_dev_state_req {
u32 reserved[12];
} __attribute__((packed, aligned(4)));
+/*
+ * brief the data structure of sas_re_initialization
+ */
+struct sas_re_initialization_req {
+
+ __le32 tag;
+ __le32 SSAHOLT;/* bit29-set max port;
+ ** bit28-set open reject cmd retries.
+ ** bit27-set open reject data retries.
+ ** bit26-set open reject option, remap:1 or not:0.
+ ** bit25-set sata head of line time out.
+ */
+ __le32 reserved_maxPorts;
+ __le32 open_reject_cmdretries_data_retries;/* cmd retries: 31-bit16;
+ * data retries: bit15-bit0.
+ */
+ __le32 sata_hol_tmo;
+ u32 reserved1[10];
+} __attribute__((packed, aligned(4)));
/*
* brief the data structure of SATA Start Command
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index 7bf30fa6963a..1e840fd15160 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -240,6 +240,7 @@ void pm8001_scan_start(struct Scsi_Host *shost)
struct pm8001_hba_info *pm8001_ha;
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
pm8001_ha = sha->lldd_ha;
+ PM8001_CHIP_DISP->sas_re_init_req(pm8001_ha);
for (i = 0; i < pm8001_ha->chip->n_phy; ++i)
PM8001_CHIP_DISP->phy_start_req(pm8001_ha, i);
}
diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h
index 14c676bbb533..ed6dbd193aa1 100644
--- a/drivers/scsi/pm8001/pm8001_sas.h
+++ b/drivers/scsi/pm8001/pm8001_sas.h
@@ -153,6 +153,7 @@ struct pm8001_dispatch {
u32 state);
int (*sas_diag_execute_req)(struct pm8001_hba_info *pm8001_ha,
u32 state);
+ int (*sas_re_init_req)(struct pm8001_hba_info *pm8001_ha);
};
struct pm8001_chip_info {