diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_ioc_ct.c')
| -rw-r--r-- | drivers/scsi/bfa/bfa_ioc_ct.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfa_ioc_ct.c b/drivers/scsi/bfa/bfa_ioc_ct.c index de4e726a1263..bd53150e4ee0 100644 --- a/drivers/scsi/bfa/bfa_ioc_ct.c +++ b/drivers/scsi/bfa/bfa_ioc_ct.c @@ -43,6 +43,12 @@ static void bfa_ioc_ct_sync_join(struct bfa_ioc_s *ioc); static void bfa_ioc_ct_sync_leave(struct bfa_ioc_s *ioc); static void bfa_ioc_ct_sync_ack(struct bfa_ioc_s *ioc); static bfa_boolean_t bfa_ioc_ct_sync_complete(struct bfa_ioc_s *ioc); +static void bfa_ioc_ct_set_cur_ioc_fwstate( + struct bfa_ioc_s *ioc, enum bfi_ioc_state fwstate); +static enum bfi_ioc_state bfa_ioc_ct_get_cur_ioc_fwstate(struct bfa_ioc_s *ioc); +static void bfa_ioc_ct_set_alt_ioc_fwstate( + struct bfa_ioc_s *ioc, enum bfi_ioc_state fwstate); +static enum bfi_ioc_state bfa_ioc_ct_get_alt_ioc_fwstate(struct bfa_ioc_s *ioc); static struct bfa_ioc_hwif_s hwif_ct; static struct bfa_ioc_hwif_s hwif_ct2; @@ -512,6 +518,10 @@ bfa_ioc_set_ctx_hwif(struct bfa_ioc_s *ioc, struct bfa_ioc_hwif_s *hwif) hwif->ioc_sync_leave = bfa_ioc_ct_sync_leave; hwif->ioc_sync_ack = bfa_ioc_ct_sync_ack; hwif->ioc_sync_complete = bfa_ioc_ct_sync_complete; + hwif->ioc_set_fwstate = bfa_ioc_ct_set_cur_ioc_fwstate; + hwif->ioc_get_fwstate = bfa_ioc_ct_get_cur_ioc_fwstate; + hwif->ioc_set_alt_fwstate = bfa_ioc_ct_set_alt_ioc_fwstate; + hwif->ioc_get_alt_fwstate = bfa_ioc_ct_get_alt_ioc_fwstate; } /** @@ -918,6 +928,16 @@ bfa_ioc_ct2_pll_init(void __iomem *rb, enum bfi_asic_mode mode) } } + /* + * The very first PCIe DMA Read done by LPU fails with a fatal error, + * when Address Translation Cache (ATC) has been enabled by system BIOS. + * + * Workaround: + * Disable Invalidated Tag Match Enable capability by setting the bit 26 + * of CHIP_MISC_PRG to 0, by default it is set to 1. + */ + r32 = readl(rb + CT2_CHIP_MISC_PRG); + writel((r32 & 0xfbffffff), (rb + CT2_CHIP_MISC_PRG)); /* * Mask the interrupts and clear any @@ -949,3 +969,29 @@ bfa_ioc_ct2_pll_init(void __iomem *rb, enum bfi_asic_mode mode) return BFA_STATUS_OK; } + +static void +bfa_ioc_ct_set_cur_ioc_fwstate(struct bfa_ioc_s *ioc, + enum bfi_ioc_state fwstate) +{ + writel(fwstate, ioc->ioc_regs.ioc_fwstate); +} + +static enum bfi_ioc_state +bfa_ioc_ct_get_cur_ioc_fwstate(struct bfa_ioc_s *ioc) +{ + return (enum bfi_ioc_state)readl(ioc->ioc_regs.ioc_fwstate); +} + +static void +bfa_ioc_ct_set_alt_ioc_fwstate(struct bfa_ioc_s *ioc, + enum bfi_ioc_state fwstate) +{ + writel(fwstate, ioc->ioc_regs.alt_ioc_fwstate); +} + +static enum bfi_ioc_state +bfa_ioc_ct_get_alt_ioc_fwstate(struct bfa_ioc_s *ioc) +{ + return (enum bfi_ioc_state) readl(ioc->ioc_regs.alt_ioc_fwstate); +} |