From 3fadc59d603caf70e7a5295158e4f6eb06dffb8f Mon Sep 17 00:00:00 2001 From: "Moore, Eric Dean" Date: Wed, 11 May 2005 17:46:52 -0600 Subject: [PATCH] [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 Signed-off-by: James Bottomley --- drivers/message/fusion/mptbase.c | 41 +++++++++++++++++++++++++++++++- drivers/message/fusion/mptbase.h | 7 ++++++ drivers/message/fusion/mptfc.c | 4 ++++ 3 files changed, 51 insertions(+), 1 deletion(-) diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index d2a3c086a995..673cdd955eed 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)); diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h index 2c4bb69fc80a..84ade739e8d9 100644 --- a/drivers/message/fusion/mptbase.h +++ b/drivers/message/fusion/mptbase.h @@ -562,6 +562,13 @@ typedef struct _MPT_ADAPTER 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 11845faeede5..d8d65397e06e 100644 --- a/drivers/message/fusion/mptfc.c +++ b/drivers/message/fusion/mptfc.c @@ -134,6 +134,10 @@ static struct pci_device_id mptfc_pci_table[] = { 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);