From: Armen Baloyan <armen.baloyan@xxxxxxxxxx>
Signed-off-by: Armen Baloyan <armen.baloyan@xxxxxxxxxx>
Signed-off-by: Saurav Kashyap <saurav.kashyap@xxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_mr.c | 55 +++++++++++++++++++++++++++++++++++------
drivers/scsi/qla2xxx/qla_mr.h | 1 +
2 files changed, 48 insertions(+), 8 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c
index 3fdf844..abeb390 100644
--- a/drivers/scsi/qla2xxx/qla_mr.c
+++ b/drivers/scsi/qla2xxx/qla_mr.c
@@ -527,21 +527,63 @@ qlafx00_soc_cpu_reset(scsi_qla_host_t *vha)
struct qla_hw_data *ha = vha->hw;
int i, core;
uint32_t cnt;
+ uint32_t reg_val;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+
+ QLAFX00_SET_HBA_SOC_REG(ha, 0x80004, 0);
+ QLAFX00_SET_HBA_SOC_REG(ha, 0x82004, 0);
+
+ /* stop the XOR DMA engines */
+ QLAFX00_SET_HBA_SOC_REG(ha, 0x60920, 0x02);
+ QLAFX00_SET_HBA_SOC_REG(ha, 0x60924, 0x02);
+ QLAFX00_SET_HBA_SOC_REG(ha, 0xf0920, 0x02);
+ QLAFX00_SET_HBA_SOC_REG(ha, 0xf0924, 0x02);
+
+ /* stop the IDMA engines */
+ reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60840);
+ reg_val &= ~(1<<12);
+ QLAFX00_SET_HBA_SOC_REG(ha, 0x60840, reg_val);
+
+ reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60844);
+ reg_val &= ~(1<<12);
+ QLAFX00_SET_HBA_SOC_REG(ha, 0x60844, reg_val);
+
+ reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60848);
+ reg_val &= ~(1<<12);
+ QLAFX00_SET_HBA_SOC_REG(ha, 0x60848, reg_val);
+
+ reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x6084C);
+ reg_val &= ~(1<<12);
+ QLAFX00_SET_HBA_SOC_REG(ha, 0x6084C, reg_val);
+
+ for (i = 0; i < 100000; i++) {
+ if ((QLAFX00_GET_HBA_SOC_REG(ha, 0xd0000) & 0x10000000) == 0 &&
+ (QLAFX00_GET_HBA_SOC_REG(ha, 0x10600) & 0x1) == 0)
+ break;
+ udelay(100);
+ }
/* Set all 4 cores in reset */
for (i = 0; i < 4; i++) {
QLAFX00_SET_HBA_SOC_REG(ha,
(SOC_SW_RST_CONTROL_REG_CORE0 + 8*i), (0xF01));
- }
-
- /* Set all 4 core Clock gating control */
- for (i = 0; i < 4; i++) {
QLAFX00_SET_HBA_SOC_REG(ha,
(SOC_SW_RST_CONTROL_REG_CORE0 + 4 + 8*i), (0x01010101));
}
/* Reset all units in Fabric */
- QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x11F0101));
+ QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x011f0101));
+
+ /* */
+ QLAFX00_SET_HBA_SOC_REG(ha, 0x10610, 1);
+ QLAFX00_SET_HBA_SOC_REG(ha, 0x10600, 0);
+
+ /* Set all 4 core Memory Power Down Registers */
+ for (i = 0; i < 5; i++) {
+ QLAFX00_SET_HBA_SOC_REG(ha,
+ (SOC_PWR_MANAGEMENT_PWR_DOWN_REG + 4*i), (0x0));
+ }
/* Reset all interrupt control registers */
for (i = 0; i < 115; i++) {
@@ -564,8 +606,6 @@ qlafx00_soc_cpu_reset(scsi_qla_host_t *vha)
QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONTROL_REG, (0x2));
QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONFIG_REG, (0x3));
- spin_lock_irqsave(&ha->hardware_lock, flags);
-
/* Kick in Fabric units */
QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x0));
@@ -598,7 +638,6 @@ qlafx00_soft_reset(scsi_qla_host_t *vha)
ha->isp_ops->disable_intrs(ha);
qlafx00_soc_cpu_reset(vha);
- ha->isp_ops->enable_intrs(ha);
}
/**
diff --git a/drivers/scsi/qla2xxx/qla_mr.h b/drivers/scsi/qla2xxx/qla_mr.h
index 1e6941e..aeaa1b4 100644
--- a/drivers/scsi/qla2xxx/qla_mr.h
+++ b/drivers/scsi/qla2xxx/qla_mr.h
@@ -351,6 +351,7 @@ struct config_info_data {
#define SOC_FABRIC_RST_CONTROL_REG 0x0020840
#define SOC_FABRIC_CONTROL_REG 0x0020200
#define SOC_FABRIC_CONFIG_REG 0x0020204
+#define SOC_PWR_MANAGEMENT_PWR_DOWN_REG 0x001820C
#define SOC_INTERRUPT_SOURCE_I_CONTROL_REG 0x0020B00
#define SOC_CORE_TIMER_REG 0x0021850
--
1.7.7
--
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