On Mon, Apr 11, 2016 at 01:04:18PM +0200, Alexander Gordeev wrote:
> Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxx>
> ---
> lib/x86/asm/pci.h | 23 +++++++++++++++++++++--
> 1 file changed, 21 insertions(+), 2 deletions(-)
>
> diff --git a/lib/x86/asm/pci.h b/lib/x86/asm/pci.h
> index d10a32c38dd5..917da19ac36c 100644
> --- a/lib/x86/asm/pci.h
> +++ b/lib/x86/asm/pci.h
> @@ -9,11 +9,30 @@
> #include "pci.h"
> #include "x86/io.h"
>
> +#define PCI_CONF1_ADDRESS(dev, reg) ((0x1 << 31) | (dev << 8) | reg)
> +
> static inline uint32_t pci_config_readl(pcidevaddr_t dev, uint8_t reg)
> {
> - uint32_t index = reg | (dev << 8) | (0x1 << 31);
> - outl(index, 0xCF8);
> + outl(PCI_CONF1_ADDRESS(dev, reg), 0xCF8);
> return inl(0xCFC);
> }
>
> +static inline uint8_t pci_config_readb(pcidevaddr_t dev, uint8_t reg)
> +{
> + outl(PCI_CONF1_ADDRESS(dev, reg), 0xCF8);
> + return inb(0xCFC);
> +}
> +
> +static inline uint16_t pci_config_readw(pcidevaddr_t dev, uint8_t reg)
> +{
> + outl(PCI_CONF1_ADDRESS(dev, reg), 0xCF8);
> + return inw(0xCFC);
> +}
> +
> +static inline void pci_config_writel(pcidevaddr_t dev, uint8_t reg, uint32_t val)
> +{
> + outl(PCI_CONF1_ADDRESS(dev, reg), 0xCF8);
> + outl(val, 0xCFC);
> +}
> +
> #endif
> --
> 1.8.3.1
Reviewed-by: Andrew Jones <drjones@xxxxxxxxxx>
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