diff options
| author | Dave Liu <daveliu@freescale.com> | 2010-04-12 14:23:35 +0800 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2010-04-26 22:37:54 -0500 |
| commit | cd3abcfa2d4dc8df09f6d01e735e4dc2f6c87ebc (patch) | |
| tree | 03e720a7eefe6e1d5618f4f9c65d22373f43a64d /drivers/block | |
| parent | e4773debb735323a9eedf353239e8e88e03d7c58 (diff) | |
fsl_sata: Move the snoop bit to another place
For P1022 SATA host controller, the data snoop bit of DW3 in PRDT
is moved to bit28.
Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/fsl_sata.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/block/fsl_sata.h b/drivers/block/fsl_sata.h index 18e88fa4ad0..576efaf6f52 100644 --- a/drivers/block/fsl_sata.h +++ b/drivers/block/fsl_sata.h @@ -243,8 +243,12 @@ typedef struct prd_entry { /* ext_c_ddc */ -#define PRD_ENTRY_EXT 0x80000000 /* extension flag or called indirect descriptor flag */ -#define PRD_ENTRY_DATA_SNOOP 0x00400000 /* Snoop enable for all data associated with the PRD entry */ +#define PRD_ENTRY_EXT 0x80000000 /* extension flag */ +#ifdef CONFIG_FSL_SATA_V2 +#define PRD_ENTRY_DATA_SNOOP 0x10000000 /* Data snoop enable */ +#else +#define PRD_ENTRY_DATA_SNOOP 0x00400000 /* Data snoop enable */ +#endif #define PRD_ENTRY_LEN_MASK 0x003fffff /* Data word count */ #define PRD_ENTRY_MAX_XFER_SZ (PRD_ENTRY_LEN_MASK + 1) |