diff options
Diffstat (limited to 'include/pci.h')
| -rw-r--r-- | include/pci.h | 46 |
1 files changed, 30 insertions, 16 deletions
diff --git a/include/pci.h b/include/pci.h index 5dbdcb0672..d7ed35dd52 100644 --- a/include/pci.h +++ b/include/pci.h @@ -1313,26 +1313,30 @@ void dm_pci_write_bar32(struct udevice *dev, int barnum, u32 addr); u32 dm_pci_read_bar32(const struct udevice *dev, int barnum); /** - * dm_pci_bus_to_phys() - convert a PCI bus address to a physical address + * dm_pci_bus_to_phys() - convert a PCI bus address range to a physical address * * @dev: Device containing the PCI address * @addr: PCI address to convert + * @len: Length of the address range + * @mask: Mask to match flags for the region type * @flags: Flags for the region type (PCI_REGION_...) * Return: physical address corresponding to that PCI bus address */ -phys_addr_t dm_pci_bus_to_phys(struct udevice *dev, pci_addr_t addr, - unsigned long flags); +phys_addr_t dm_pci_bus_to_phys(struct udevice *dev, pci_addr_t addr, size_t len, + unsigned long mask, unsigned long flags); /** * dm_pci_phys_to_bus() - convert a physical address to a PCI bus address * * @dev: Device containing the bus address * @addr: Physical address to convert + * @len: Length of the address range + * @mask: Mask to match flags for the region type * @flags: Flags for the region type (PCI_REGION_...) * Return: PCI bus address corresponding to that physical address */ -pci_addr_t dm_pci_phys_to_bus(struct udevice *dev, phys_addr_t addr, - unsigned long flags); +pci_addr_t dm_pci_phys_to_bus(struct udevice *dev, phys_addr_t addr, size_t len, + unsigned long mask, unsigned long flags); /** * dm_pci_map_bar() - get a virtual address associated with a BAR region @@ -1346,10 +1350,14 @@ pci_addr_t dm_pci_phys_to_bus(struct udevice *dev, phys_addr_t addr, * * @dev: Device to check * @bar: Bar register offset (PCI_BASE_ADDRESS_...) + * @offset: Offset from the base to map + * @len: Length to map + * @mask: Mask to match flags for the region type * @flags: Flags for the region type (PCI_REGION_...) * @return: pointer to the virtual address to use or 0 on error */ -void *dm_pci_map_bar(struct udevice *dev, int bar, int flags); +void *dm_pci_map_bar(struct udevice *dev, int bar, size_t offset, size_t len, + unsigned long mask, unsigned long flags); /** * dm_pci_find_next_capability() - find a capability starting from an offset @@ -1453,28 +1461,34 @@ int dm_pci_find_ext_capability(struct udevice *dev, int cap); int dm_pci_flr(struct udevice *dev); #define dm_pci_virt_to_bus(dev, addr, flags) \ - dm_pci_phys_to_bus(dev, (virt_to_phys(addr)), (flags)) -#define dm_pci_bus_to_virt(dev, addr, flags, len, map_flags) \ - map_physmem(dm_pci_bus_to_phys(dev, (addr), (flags)), \ - (len), (map_flags)) + dm_pci_phys_to_bus(dev, (virt_to_phys(addr)), 0, PCI_REGION_TYPE, (flags)) +#define dm_pci_bus_to_virt(dev, addr, len, mask, flags, map_flags) \ +({ \ + size_t _len = (len); \ + phys_addr_t phys_addr = dm_pci_bus_to_phys((dev), (addr), _len, \ + (mask), (flags)); \ + map_physmem(phys_addr, _len, (map_flags)); \ +}) #define dm_pci_phys_to_mem(dev, addr) \ - dm_pci_phys_to_bus((dev), (addr), PCI_REGION_MEM) + dm_pci_phys_to_bus((dev), (addr), 0, PCI_REGION_TYPE, PCI_REGION_MEM) #define dm_pci_mem_to_phys(dev, addr) \ - dm_pci_bus_to_phys((dev), (addr), PCI_REGION_MEM) + dm_pci_bus_to_phys((dev), (addr), 0, PCI_REGION_TYPE, PCI_REGION_MEM) #define dm_pci_phys_to_io(dev, addr) \ - dm_pci_phys_to_bus((dev), (addr), PCI_REGION_IO) + dm_pci_phys_to_bus((dev), (addr), 0, PCI_REGION_TYPE, PCI_REGION_IO) #define dm_pci_io_to_phys(dev, addr) \ - dm_pci_bus_to_phys((dev), (addr), PCI_REGION_IO) + dm_pci_bus_to_phys((dev), (addr), 0, PCI_REGION_TYPE, PCI_REGION_IO) #define dm_pci_virt_to_mem(dev, addr) \ dm_pci_virt_to_bus((dev), (addr), PCI_REGION_MEM) #define dm_pci_mem_to_virt(dev, addr, len, map_flags) \ - dm_pci_bus_to_virt((dev), (addr), PCI_REGION_MEM, (len), (map_flags)) + dm_pci_bus_to_virt((dev), (addr), (len), PCI_REGION_TYPE, \ + PCI_REGION_MEM, (map_flags)) #define dm_pci_virt_to_io(dev, addr) \ dm_pci_virt_to_bus((dev), (addr), PCI_REGION_IO) #define dm_pci_io_to_virt(dev, addr, len, map_flags) \ - dm_pci_bus_to_virt((dev), (addr), PCI_REGION_IO, (len), (map_flags)) + dm_pci_bus_to_virt((dev), (addr), (len), PCI_REGION_TYPE, \ + PCI_REGION_IO, (map_flags)) /** * dm_pci_find_device() - find a device by vendor/device ID |