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path: root/drivers/message/fusion/mptbase.c
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Diffstat (limited to 'drivers/message/fusion/mptbase.c')
-rw-r--r--drivers/message/fusion/mptbase.c41
1 files changed, 40 insertions, 1 deletions
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index d2a3c086a99..673cdd955ee 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -186,6 +186,26 @@ static void __exit fusion_exit (void);
#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 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
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 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
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 @@ mpt_downloadboot(MPT_ADAPTER *ioc, int sleepFlag)
/* 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 @@ mpt_downloadboot(MPT_ADAPTER *ioc, int sleepFlag)
/* 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 @@ mpt_downloadboot(MPT_ADAPTER *ioc, int sleepFlag)
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));