>From 2ce3ecb52358fcd358e1ea93a02522084fc7f968 Mon Sep 17 00:00:00 2001
From: Sakthivel K <sakthivel.saravanankamalr...@pmcs.com>
Date: Tue, 19 Mar 2013 18:05:55 +0530
Subject: [PATCH V5 07/12] pm80xx: SPC new firmware changes for device id 0x8081
alone
Additional bar shift for new SPC firmware, applicable to device
id 0x8081 only.
Signed-off-by: Sakthivel K <sakthivel.saravanankamalr...@pmcs.com>
Signed-off-by: Anand Kumar S <anandkumar.santha...@pmcs.com>
Acked-by: Jack Wang <jack_w...@usish.com>
Reviewed-by: Hannes Reinecke <h...@suse.de>
---
drivers/scsi/pm8001/pm8001_hwi.c | 31 ++++++++++++++++++++++++++++---
drivers/scsi/pm8001/pm8001_hwi.h | 2 ++
2 files changed, 30 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index c335ae8..3adf499 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -640,6 +640,18 @@ static void init_pci_device_addresses(struct
pm8001_hba_info *pm8001_ha)
static int pm8001_chip_init(struct pm8001_hba_info *pm8001_ha)
{
u8 i = 0;
+ u16 deviceid;
+ pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
+ /* 8081 controllers need BAR shift to access MPI space
+ * as this is shared with BIOS data */
+ if (deviceid == 0x8081) {
+ if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
+ PM8001_FAIL_DBG(pm8001_ha,
+ pm8001_printk("Shift Bar4 to 0x%x failed\n",
+ GSM_SM_BASE));
+ return -1;
+ }
+ }
/* check the firmware status */
if (-1 == check_fw_ready(pm8001_ha)) {
PM8001_FAIL_DBG(pm8001_ha,
@@ -660,9 +672,12 @@ static int pm8001_chip_init(struct pm8001_hba_info
*pm8001_ha)
update_inbnd_queue_table(pm8001_ha, i);
for (i = 0; i < PM8001_MAX_OUTB_NUM; i++)
update_outbnd_queue_table(pm8001_ha, i);
- mpi_set_phys_g3_with_ssc(pm8001_ha, 0);
- /* 7->130ms, 34->500ms, 119->1.5s */
- mpi_set_open_retry_interval_reg(pm8001_ha, 119);
+ /* 8081 controller donot require these operations */
+ if (deviceid != 0x8081) {
+ mpi_set_phys_g3_with_ssc(pm8001_ha, 0);
+ /* 7->130ms, 34->500ms, 119->1.5s */
+ mpi_set_open_retry_interval_reg(pm8001_ha, 119);
+ }
/* notify firmware update finished and check initialization status */
if (0 == mpi_init_check(pm8001_ha)) {
PM8001_INIT_DBG(pm8001_ha,
@@ -684,6 +699,16 @@ static int mpi_uninit_check(struct pm8001_hba_info
*pm8001_ha)
u32 max_wait_count;
u32 value;
u32 gst_len_mpistate;
+ u16 deviceid;
+ pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
+ if (deviceid == 0x8081) {
+ if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
+ PM8001_FAIL_DBG(pm8001_ha,
+ pm8001_printk("Shift Bar4 to 0x%x failed\n",
+ GSM_SM_BASE));
+ return -1;
+ }
+ }
init_pci_device_addresses(pm8001_ha);
/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
table is stop */
diff --git a/drivers/scsi/pm8001/pm8001_hwi.h b/drivers/scsi/pm8001/pm8001_hwi.h
index 2399aab..d7c1e20 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.h
+++ b/drivers/scsi/pm8001/pm8001_hwi.h
@@ -131,6 +131,8 @@
#define LINKRATE_30 (0x02 << 8)
#define LINKRATE_60 (0x04 << 8)
+/* for new SPC controllers MEMBASE III is shared between BIOS and DATA */
+#define GSM_SM_BASE 0x4F0000
struct mpi_msg_hdr{
__le32 header; /* Bits [11:0] - Message operation code */
/* Bits [15:12] - Message Category */
--
1.7.1
--
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