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| author | Michael Brown | 2020-09-24 17:58:14 +0200 |
|---|---|---|
| committer | Michael Brown | 2020-09-24 22:45:56 +0200 |
| commit | 371af4eef2dfa1facf6645a5704d8a55ff45c965 (patch) | |
| tree | 9026c2cde9011a04cc1c8b5857cbeaa5f9c6b79f /src/arch | |
| parent | [efi] Provide a single implementation of efipci_root_close() (diff) | |
| download | ipxe-371af4eef2dfa1facf6645a5704d8a55ff45c965.tar.gz ipxe-371af4eef2dfa1facf6645a5704d8a55ff45c965.tar.xz ipxe-371af4eef2dfa1facf6645a5704d8a55ff45c965.zip | |
[pci] Define pci_ioremap() for mapping PCI bus addresses
Define pci_ioremap() as a wrapper around ioremap() that could allow
for a non-zero address translation offset.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/core/pcidirect.c | 1 | ||||
| -rw-r--r-- | src/arch/x86/include/ipxe/pcibios.h | 13 | ||||
| -rw-r--r-- | src/arch/x86/include/ipxe/pcidirect.h | 13 | ||||
| -rw-r--r-- | src/arch/x86/interface/pcbios/pcibios.c | 1 |
4 files changed, 28 insertions, 0 deletions
diff --git a/src/arch/x86/core/pcidirect.c b/src/arch/x86/core/pcidirect.c index 0d09be84b..9b8226fea 100644 --- a/src/arch/x86/core/pcidirect.c +++ b/src/arch/x86/core/pcidirect.c @@ -52,3 +52,4 @@ PROVIDE_PCIAPI_INLINE ( direct, pci_read_config_dword ); PROVIDE_PCIAPI_INLINE ( direct, pci_write_config_byte ); PROVIDE_PCIAPI_INLINE ( direct, pci_write_config_word ); PROVIDE_PCIAPI_INLINE ( direct, pci_write_config_dword ); +PROVIDE_PCIAPI_INLINE ( direct, pci_ioremap ); diff --git a/src/arch/x86/include/ipxe/pcibios.h b/src/arch/x86/include/ipxe/pcibios.h index 7e1bcd814..bae4eede1 100644 --- a/src/arch/x86/include/ipxe/pcibios.h +++ b/src/arch/x86/include/ipxe/pcibios.h @@ -132,4 +132,17 @@ PCIAPI_INLINE ( pcbios, pci_write_config_dword ) ( struct pci_device *pci, return pcibios_write ( pci, PCIBIOS_WRITE_CONFIG_DWORD | where, value); } +/** + * Map PCI bus address as an I/O address + * + * @v bus_addr PCI bus address + * @v len Length of region + * @ret io_addr I/O address, or NULL on error + */ +static inline __always_inline void * +PCIAPI_INLINE ( pcbios, pci_ioremap ) ( struct pci_device *pci __unused, + unsigned long bus_addr, size_t len ) { + return ioremap ( bus_addr, len ); +} + #endif /* _IPXE_PCIBIOS_H */ diff --git a/src/arch/x86/include/ipxe/pcidirect.h b/src/arch/x86/include/ipxe/pcidirect.h index d924f2f20..9570fd7d6 100644 --- a/src/arch/x86/include/ipxe/pcidirect.h +++ b/src/arch/x86/include/ipxe/pcidirect.h @@ -138,4 +138,17 @@ PCIAPI_INLINE ( direct, pci_write_config_dword ) ( struct pci_device *pci, return 0; } +/** + * Map PCI bus address as an I/O address + * + * @v bus_addr PCI bus address + * @v len Length of region + * @ret io_addr I/O address, or NULL on error + */ +static inline __always_inline void * +PCIAPI_INLINE ( direct, pci_ioremap ) ( struct pci_device *pci __unused, + unsigned long bus_addr, size_t len ) { + return ioremap ( bus_addr, len ); +} + #endif /* _PCIDIRECT_H */ diff --git a/src/arch/x86/interface/pcbios/pcibios.c b/src/arch/x86/interface/pcbios/pcibios.c index 07ac0c18d..bf812f77f 100644 --- a/src/arch/x86/interface/pcbios/pcibios.c +++ b/src/arch/x86/interface/pcbios/pcibios.c @@ -121,3 +121,4 @@ PROVIDE_PCIAPI_INLINE ( pcbios, pci_read_config_dword ); PROVIDE_PCIAPI_INLINE ( pcbios, pci_write_config_byte ); PROVIDE_PCIAPI_INLINE ( pcbios, pci_write_config_word ); PROVIDE_PCIAPI_INLINE ( pcbios, pci_write_config_dword ); +PROVIDE_PCIAPI_INLINE ( pcbios, pci_ioremap ); |