[SCSI] fusion - Adding pci recog support for Fibre 949X and 939X chips
* adding pci id support for new Fibre chips, 949X and 939X
* adding errata workaround - disabling PIO access except during fwdlb.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index d2a3c08..673cdd9 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -186,6 +186,26 @@
#define CHIPREG_PIO_WRITE32(addr,val) outl(val, (unsigned long)addr)
#define CHIPREG_PIO_READ32(addr) inl((unsigned long)addr)
+static void
+pci_disable_io_access(struct pci_dev *pdev)
+{
+ u16 command_reg;
+
+ pci_read_config_word(pdev, PCI_COMMAND, &command_reg);
+ command_reg &= ~1;
+ pci_write_config_word(pdev, PCI_COMMAND, command_reg);
+}
+
+static void
+pci_enable_io_access(struct pci_dev *pdev)
+{
+ u16 command_reg;
+
+ pci_read_config_word(pdev, PCI_COMMAND, &command_reg);
+ command_reg |= 1;
+ pci_write_config_word(pdev, PCI_COMMAND, command_reg);
+}
+
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
* mpt_interrupt - MPT adapter (IOC) specific interrupt handler.
@@ -1161,6 +1181,16 @@
pcixcmd &= 0x8F;
pci_write_config_byte(pdev, 0x6a, pcixcmd);
}
+ else if (pdev->device == MPI_MANUFACTPAGE_DEVICEID_FC939X) {
+ ioc->prod_name = "LSIFC939X";
+ ioc->bus_type = FC;
+ ioc->errata_flag_1064 = 1;
+ }
+ else if (pdev->device == MPI_MANUFACTPAGE_DEVICEID_FC949X) {
+ ioc->prod_name = "LSIFC949X";
+ ioc->bus_type = FC;
+ ioc->errata_flag_1064 = 1;
+ }
else if (pdev->device == MPI_MANUFACTPAGE_DEVID_53C1030) {
ioc->prod_name = "LSI53C1030";
ioc->bus_type = SCSI;
@@ -1179,6 +1209,9 @@
ioc->bus_type = SCSI;
}
+ if (ioc->errata_flag_1064)
+ pci_disable_io_access(pdev);
+
sprintf(ioc->name, "ioc%d", ioc->id);
spin_lock_init(&ioc->FreeQlock);
@@ -2667,7 +2700,7 @@
/* prevent a second downloadboot and memory free with alt_ioc */
if (ioc->alt_ioc && ioc->alt_ioc->cached_fw)
ioc->alt_ioc->cached_fw = NULL;
-
+
CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
@@ -2725,6 +2758,9 @@
/* Write the LoadStartAddress to the DiagRw Address Register
* using Programmed IO
*/
+ if (ioc->errata_flag_1064)
+ pci_enable_io_access(ioc->pcidev);
+
CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->LoadStartAddress);
ddlprintk((MYIOC_s_INFO_FMT "LoadStart addr written 0x%x \n",
ioc->name, pFwHeader->LoadStartAddress));
@@ -2771,6 +2807,9 @@
CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000);
CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, diagRwData);
+ if (ioc->errata_flag_1064)
+ pci_disable_io_access(ioc->pcidev);
+
diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
ddlprintk((MYIOC_s_INFO_FMT "downloadboot diag0val=%x, turning off PREVENT_IOC_BOOT, DISABLE_ARM\n",
ioc->name, diag0val));
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index 2c4bb69..84ade73 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -562,6 +562,13 @@
FCPortPage0_t fc_port_page0[2];
LANPage0_t lan_cnfg_page0;
LANPage1_t lan_cnfg_page1;
+ /*
+ * Description: errata_flag_1064
+ * If a PCIX read occurs within 1 or 2 cycles after the chip receives
+ * a split completion for a read data, an internal address pointer incorrectly
+ * increments by 32 bytes
+ */
+ int errata_flag_1064;
u8 FirstWhoInit;
u8 upload_fw; /* If set, do a fw upload */
u8 reload_fw; /* Force a FW Reload on next reset */
diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c
index 11845fa..d8d6539 100644
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -134,6 +134,10 @@
PCI_ANY_ID, PCI_ANY_ID },
{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FC929X,
PCI_ANY_ID, PCI_ANY_ID },
+ { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FC939X,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FC949X,
+ PCI_ANY_ID, PCI_ANY_ID },
{0} /* Terminating entry */
};
MODULE_DEVICE_TABLE(pci, mptfc_pci_table);