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path: root/drivers/scsi/mvsas/mv_94xx.c
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Diffstat (limited to 'drivers/scsi/mvsas/mv_94xx.c')
-rw-r--r--drivers/scsi/mvsas/mv_94xx.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/scsi/mvsas/mv_94xx.c b/drivers/scsi/mvsas/mv_94xx.c
index 3501291618f..7e423e5ad5e 100644
--- a/drivers/scsi/mvsas/mv_94xx.c
+++ b/drivers/scsi/mvsas/mv_94xx.c
@@ -398,6 +398,16 @@ static int __devinit mvs_94xx_init(struct mvs_info *mvi)
/* init phys */
mvs_phy_hacks(mvi);
+ /* disable non data frame retry */
+ tmp = mvs_cr32(mvi, CMD_SAS_CTL1);
+ if ((revision == VANIR_A0_REV) ||
+ (revision == VANIR_B0_REV) ||
+ (revision == VANIR_C0_REV)) {
+ tmp &= ~0xffff;
+ tmp |= 0x007f;
+ mvs_cw32(mvi, CMD_SAS_CTL1, tmp);
+ }
+
/* set LED blink when IO*/
mw32(MVS_PA_VSR_ADDR, VSR_PHY_ACT_LED);
tmp = mr32(MVS_PA_VSR_PORT);
@@ -500,6 +510,27 @@ static int __devinit mvs_94xx_init(struct mvs_info *mvi)
tmp |= CINT_PHY_MASK;
mw32(MVS_INT_MASK, tmp);
+ tmp = mvs_cr32(mvi, CMD_LINK_TIMER);
+ tmp |= 0xFFFF0000;
+ mvs_cw32(mvi, CMD_LINK_TIMER, tmp);
+
+ /* tune STP performance */
+ tmp = 0x003F003F;
+ mvs_cw32(mvi, CMD_PL_TIMER, tmp);
+
+ /* This can improve expander large block size seq write performance */
+ tmp = mvs_cr32(mvi, CMD_PORT_LAYER_TIMER1);
+ tmp |= 0xFFFF007F;
+ mvs_cw32(mvi, CMD_PORT_LAYER_TIMER1, tmp);
+
+ /* change the connection open-close behavior (bit 9)
+ * set bit8 to 1 for performance tuning */
+ tmp = mvs_cr32(mvi, CMD_SL_MODE0);
+ tmp |= 0x00000300;
+ /* set bit0 to 0 to enable retry for no_dest reject case */
+ tmp &= 0xFFFFFFFE;
+ mvs_cw32(mvi, CMD_SL_MODE0, tmp);
+
/* Enable SRS interrupt */
mw32(MVS_INT_MASK_SRS_0, 0xFFFF);
@@ -823,6 +854,10 @@ static void mvs_94xx_fix_phy_info(struct mvs_info *mvi, int i,
phy->att_dev_info = PORT_DEV_STP_TRGT | 1;
}
+ /* enable spin up bit */
+ mvs_write_port_cfg_addr(mvi, i, PHYR_PHY_STAT);
+ mvs_write_port_cfg_data(mvi, i, 0x04);
+
}
void mvs_94xx_phy_set_link_rate(struct mvs_info *mvi, u32 phy_id,