diff options
Diffstat (limited to 'src/soc/intel/broadwell')
| -rw-r--r-- | src/soc/intel/broadwell/pch.c | 38 |
1 files changed, 23 insertions, 15 deletions
diff --git a/src/soc/intel/broadwell/pch.c b/src/soc/intel/broadwell/pch.c index 54c5567b40..ab546e8d55 100644 --- a/src/soc/intel/broadwell/pch.c +++ b/src/soc/intel/broadwell/pch.c @@ -88,15 +88,22 @@ static void pch_enable_d3hot(device_t dev) pci_write_config32(dev, PCH_PCS, reg32); } +/* RCBA function disable and posting read to flush the transaction */ +static void rcba_function_disable(u32 reg, u32 bit) +{ + RCBA32_OR(reg, bit); + RCBA32(reg); +} + /* Set bit in Function Disable register to hide this device */ void pch_disable_devfn(device_t dev) { switch (dev->path.pci.devfn) { case PCH_DEVFN_ADSP: /* Audio DSP */ - RCBA32_OR(FD, PCH_DISABLE_ADSPD); + rcba_function_disable(FD, PCH_DISABLE_ADSPD); break; case PCH_DEVFN_XHCI: /* XHCI */ - RCBA32_OR(FD, PCH_DISABLE_XHCI); + rcba_function_disable(FD, PCH_DISABLE_XHCI); break; case PCH_DEVFN_SDMA: /* DMA */ pch_enable_d3hot(dev); @@ -127,26 +134,26 @@ void pch_disable_devfn(device_t dev) pch_iobp_update(SIO_IOBP_FUNCDIS6, ~0UL, SIO_IOBP_FUNCDIS_DIS); break; case PCH_DEVFN_ME: /* MEI #1 */ - RCBA32_OR(FD2, PCH_DISABLE_MEI1); + rcba_function_disable(FD2, PCH_DISABLE_MEI1); break; case PCH_DEVFN_ME_2: /* MEI #2 */ - RCBA32_OR(FD2, PCH_DISABLE_MEI2); + rcba_function_disable(FD2, PCH_DISABLE_MEI2); break; case PCH_DEVFN_ME_IDER: /* IDE-R */ - RCBA32_OR(FD2, PCH_DISABLE_IDER); + rcba_function_disable(FD2, PCH_DISABLE_IDER); break; case PCH_DEVFN_ME_KT: /* KT */ - RCBA32_OR(FD2, PCH_DISABLE_KT); + rcba_function_disable(FD2, PCH_DISABLE_KT); break; case PCH_DEVFN_SDIO: /* SDIO */ pch_enable_d3hot(dev); pch_iobp_update(SIO_IOBP_FUNCDIS7, ~0UL, SIO_IOBP_FUNCDIS_DIS); break; case PCH_DEVFN_GBE: /* Gigabit Ethernet */ - RCBA32_OR(BUC, PCH_DISABLE_GBE); + rcba_function_disable(BUC, PCH_DISABLE_GBE); break; case PCH_DEVFN_HDA: /* HD Audio Controller */ - RCBA32_OR(FD, PCH_DISABLE_HD_AUDIO); + rcba_function_disable(FD, PCH_DISABLE_HD_AUDIO); break; case PCI_DEVFN(PCH_DEV_SLOT_PCIE, 0): /* PCI Express Root Port 1 */ case PCI_DEVFN(PCH_DEV_SLOT_PCIE, 1): /* PCI Express Root Port 2 */ @@ -156,25 +163,26 @@ void pch_disable_devfn(device_t dev) case PCI_DEVFN(PCH_DEV_SLOT_PCIE, 5): /* PCI Express Root Port 6 */ case PCI_DEVFN(PCH_DEV_SLOT_PCIE, 6): /* PCI Express Root Port 7 */ case PCI_DEVFN(PCH_DEV_SLOT_PCIE, 7): /* PCI Express Root Port 8 */ - RCBA32_OR(FD, PCH_DISABLE_PCIE(PCI_FUNC(dev->path.pci.devfn))); + rcba_function_disable(FD, + PCH_DISABLE_PCIE(PCI_FUNC(dev->path.pci.devfn))); break; case PCH_DEVFN_EHCI: /* EHCI #1 */ - RCBA32_OR(FD, PCH_DISABLE_EHCI1); + rcba_function_disable(FD, PCH_DISABLE_EHCI1); break; case PCH_DEVFN_LPC: /* LPC */ - RCBA32_OR(FD, PCH_DISABLE_LPC); + rcba_function_disable(FD, PCH_DISABLE_LPC); break; case PCH_DEVFN_SATA: /* SATA #1 */ - RCBA32_OR(FD, PCH_DISABLE_SATA1); + rcba_function_disable(FD, PCH_DISABLE_SATA1); break; case PCH_DEVFN_SMBUS: /* SMBUS */ - RCBA32_OR(FD, PCH_DISABLE_SMBUS); + rcba_function_disable(FD, PCH_DISABLE_SMBUS); break; case PCH_DEVFN_SATA2: /* SATA #2 */ - RCBA32_OR(FD, PCH_DISABLE_SATA2); + rcba_function_disable(FD, PCH_DISABLE_SATA2); break; case PCH_DEVFN_THERMAL: /* Thermal Subsystem */ - RCBA32_OR(FD, PCH_DISABLE_THERMAL); + rcba_function_disable(FD, PCH_DISABLE_THERMAL); break; } } |