diff options
Diffstat (limited to 'gpxe/src/include/gpxe/efi/efi_io.h')
| -rw-r--r-- | gpxe/src/include/gpxe/efi/efi_io.h | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/gpxe/src/include/gpxe/efi/efi_io.h b/gpxe/src/include/gpxe/efi/efi_io.h deleted file mode 100644 index 7ad5ffe7..00000000 --- a/gpxe/src/include/gpxe/efi/efi_io.h +++ /dev/null @@ -1,180 +0,0 @@ -#ifndef _GPXE_EFI_IO_H -#define _GPXE_EFI_IO_H - -/** @file - * - * gPXE I/O API for EFI - * - * EFI runs with flat physical addressing, so the various mappings - * between virtual addresses, I/O addresses and bus addresses are all - * no-ops. I/O is handled using the EFI_CPU_IO_PROTOCOL. - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#ifdef IOAPI_EFI -#define IOAPI_PREFIX_efi -#else -#define IOAPI_PREFIX_efi __efi_ -#endif - -extern unsigned long long efi_ioread ( volatile void *io_addr, - size_t size ); -extern void efi_iowrite ( unsigned long long data, volatile void *io_addr, - size_t size ); -extern void efi_ioreads ( volatile void *io_addr, void *data, - size_t size, unsigned int count ); -extern void efi_iowrites ( volatile void *io_addr, const void *data, - size_t size, unsigned int count ); - -/* - * Physical<->Bus and Bus<->I/O address mappings - * - * EFI runs with flat physical addressing, so these are all no-ops. - * - */ - -static inline __always_inline unsigned long -IOAPI_INLINE ( efi, phys_to_bus ) ( unsigned long phys_addr ) { - return phys_addr; -} - -static inline __always_inline unsigned long -IOAPI_INLINE ( efi, bus_to_phys ) ( unsigned long bus_addr ) { - return bus_addr; -} - -static inline __always_inline void * -IOAPI_INLINE ( efi, ioremap ) ( unsigned long bus_addr, size_t len __unused ) { - return ( ( void * ) bus_addr ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, iounmap ) ( volatile const void *io_addr __unused ) { - /* Nothing to do */ -} - -static inline __always_inline unsigned long -IOAPI_INLINE ( efi, io_to_bus ) ( volatile const void *io_addr ) { - return ( ( unsigned long ) io_addr ); -} - -/* - * I/O functions - * - */ - -static inline __always_inline uint8_t -IOAPI_INLINE ( efi, readb ) ( volatile uint8_t *io_addr ) { - return efi_ioread ( io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline uint16_t -IOAPI_INLINE ( efi, readw ) ( volatile uint16_t *io_addr ) { - return efi_ioread ( io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline uint32_t -IOAPI_INLINE ( efi, readl ) ( volatile uint32_t *io_addr ) { - return efi_ioread ( io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline uint64_t -IOAPI_INLINE ( efi, readq ) ( volatile uint64_t *io_addr ) { - return efi_ioread ( io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, writeb ) ( uint8_t data, volatile uint8_t *io_addr ) { - efi_iowrite ( data, io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, writew ) ( uint16_t data, volatile uint16_t *io_addr ) { - efi_iowrite ( data, io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, writel ) ( uint32_t data, volatile uint32_t *io_addr ) { - efi_iowrite ( data, io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, writeq ) ( uint64_t data, volatile uint64_t *io_addr ) { - efi_iowrite ( data, io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline uint8_t -IOAPI_INLINE ( efi, inb ) ( volatile uint8_t *io_addr ) { - return efi_ioread ( io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline uint16_t -IOAPI_INLINE ( efi, inw ) ( volatile uint16_t *io_addr ) { - return efi_ioread ( io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline uint32_t -IOAPI_INLINE ( efi, inl ) ( volatile uint32_t *io_addr ) { - return efi_ioread ( io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, outb ) ( uint8_t data, volatile uint8_t *io_addr ) { - efi_iowrite ( data, io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, outw ) ( uint16_t data, volatile uint16_t *io_addr ) { - efi_iowrite ( data, io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, outl ) ( uint32_t data, volatile uint32_t *io_addr ) { - efi_iowrite ( data, io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, insb ) ( volatile uint8_t *io_addr, uint8_t *data, - unsigned int count ) { - efi_ioreads ( io_addr, data, sizeof ( *io_addr ), count ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, insw ) ( volatile uint16_t *io_addr, uint16_t *data, - unsigned int count ) { - efi_ioreads ( io_addr, data, sizeof ( *io_addr ), count ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, insl ) ( volatile uint32_t *io_addr, uint32_t *data, - unsigned int count ) { - efi_ioreads ( io_addr, data, sizeof ( *io_addr ), count ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, outsb ) ( volatile uint8_t *io_addr, const uint8_t *data, - unsigned int count ) { - efi_iowrites ( io_addr, data, sizeof ( *io_addr ), count ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, outsw ) ( volatile uint16_t *io_addr, const uint16_t *data, - unsigned int count ) { - efi_iowrites ( io_addr, data, sizeof ( *io_addr ), count ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, outsl ) ( volatile uint32_t *io_addr, const uint32_t *data, - unsigned int count ) { - efi_iowrites ( io_addr, data, sizeof ( *io_addr ), count ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, mb ) ( void ) { - /* Do nothing; EFI readl()/writel() calls already act as - * memory barriers. - */ -} - -#endif /* _GPXE_EFI_IO_H */ |