[U-Boot] [PATCH 3/3] fsl_sata: Move the snoop bit to another place
Dave Liu
daveliu at freescale.com
Thu Apr 8 09:58:38 CEST 2010
For P1022 SATA host controller, the data snoop bit of DW3 in PRDT
is moved to bit28.
Signed-off-by: Dave Liu <daveliu at 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)
--
1.6.4
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