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 --- drivers/block/fsl_sata.h | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/block/fsl_sata.h b/drivers/block/fsl_sata.h index 18e88fa..75165ab 100644 --- a/drivers/block/fsl_sata.h +++ b/drivers/block/fsl_sata.h @@ -244,7 +244,11 @@ typedef struct prd_entry { /* ext_c_ddc */ #define PRD_ENTRY_EXT 0x80000000 /* extension flag or called indirect descriptor flag */ +#ifdef CONFIG_P1022 +#define PRD_ENTRY_DATA_SNOOP 0x10000000 /* Snoop enable for all data associated with the PRD entry */ +#else #define PRD_ENTRY_DATA_SNOOP 0x00400000 /* Snoop enable for all data associated with the PRD entry */ +#endif #define PRD_ENTRY_LEN_MASK 0x003fffff /* Data word count */
#define PRD_ENTRY_MAX_XFER_SZ (PRD_ENTRY_LEN_MASK + 1)