For P1022 SATA host controller, the data snoop bit of DW3 in PRDT
is moved to bit28.
Signed-off-by: Dave Liu <dave...@freescale.com>
---
* address Wolfgang's comments
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 18e88fa..576efaf 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)
--
1.6.4
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