diff options
Diffstat (limited to 'freebsd/sys/sys/bus_dma.h')
| -rw-r--r-- | freebsd/sys/sys/bus_dma.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/freebsd/sys/sys/bus_dma.h b/freebsd/sys/sys/bus_dma.h index e99d8ece..d5a08be0 100644 --- a/freebsd/sys/sys/bus_dma.h +++ b/freebsd/sys/sys/bus_dma.h @@ -107,6 +107,12 @@ #define BUS_DMA_KEEP_PG_OFFSET 0x400 #define BUS_DMA_LOAD_MBUF 0x800 +#ifdef __rtems__ +/* + * Hint that the start address and size can be aligned to the next cache line. + */ +#define BUS_DMA_DO_CACHE_LINE_BLOW_UP 0x80000000 +#endif /* __rtems__ */ /* Forwards needed by prototypes below. */ union ccb; |