diff options
Diffstat (limited to 'drivers/dma/ioat/registers.h')
| -rw-r--r-- | drivers/dma/ioat/registers.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/dma/ioat/registers.h b/drivers/dma/ioat/registers.h index 2b517d6db5fd..99c1c24d465d 100644 --- a/drivers/dma/ioat/registers.h +++ b/drivers/dma/ioat/registers.h @@ -253,4 +253,18 @@ #define IOAT_CHAN_DRS_EN 0x0100 #define IOAT_CHAN_DRS_AUTOWRAP 0x0200 +#define IOAT_CHAN_LTR_SWSEL_OFFSET 0xBC +#define IOAT_CHAN_LTR_SWSEL_ACTIVE 0x0 +#define IOAT_CHAN_LTR_SWSEL_IDLE 0x1 + +#define IOAT_CHAN_LTR_ACTIVE_OFFSET 0xC0 +#define IOAT_CHAN_LTR_ACTIVE_SNVAL 0x0000 /* 0 us */ +#define IOAT_CHAN_LTR_ACTIVE_SNLATSCALE 0x0800 /* 1us scale */ +#define IOAT_CHAN_LTR_ACTIVE_SNREQMNT 0x8000 /* snoop req enable */ + +#define IOAT_CHAN_LTR_IDLE_OFFSET 0xC4 +#define IOAT_CHAN_LTR_IDLE_SNVAL 0x0258 /* 600 us */ +#define IOAT_CHAN_LTR_IDLE_SNLATSCALE 0x0800 /* 1us scale */ +#define IOAT_CHAN_LTR_IDLE_SNREQMNT 0x8000 /* snoop req enable */ + #endif /* _IOAT_REGISTERS_H_ */ |