pasemi_mac: enable iommu support

pasemi_mac: enable iommu support

Enable IOMMU support for pasemi_mac, but avoid using it on non-partitioned
systems for performance reasons.

The user can override this by selecting the PPC_PASEMI_IOMMU_DMA_FORCE
configuration option.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/net/pasemi_mac.h b/drivers/net/pasemi_mac.h
index 1a120408cf3f..60368df72634 100644
--- a/drivers/net/pasemi_mac.h
+++ b/drivers/net/pasemi_mac.h
@@ -212,6 +212,7 @@ enum {
 #define    PAS_DMA_RXINT_CFG_DHL_S      24
 #define    PAS_DMA_RXINT_CFG_DHL(x)     (((x) << PAS_DMA_RXINT_CFG_DHL_S) & \
                                          PAS_DMA_RXINT_CFG_DHL_M)
+#define    PAS_DMA_RXINT_CFG_ITR        0x00400000
 #define    PAS_DMA_RXINT_CFG_LW         0x00200000
 #define    PAS_DMA_RXINT_CFG_L2         0x00100000
 #define    PAS_DMA_RXINT_CFG_HEN        0x00080000
@@ -258,9 +259,11 @@ enum {
 #define    PAS_DMA_TXCHAN_CFG_WT_S      6
 #define    PAS_DMA_TXCHAN_CFG_WT(x)     (((x) << PAS_DMA_TXCHAN_CFG_WT_S) & \
                                          PAS_DMA_TXCHAN_CFG_WT_M)
-#define    PAS_DMA_TXCHAN_CFG_CF        0x00001000      /* Clean first line */
-#define    PAS_DMA_TXCHAN_CFG_CL        0x00002000      /* Clean last line */
+#define    PAS_DMA_TXCHAN_CFG_TRD       0x00010000      /* translate data */
+#define    PAS_DMA_TXCHAN_CFG_TRR       0x00008000      /* translate rings */
 #define    PAS_DMA_TXCHAN_CFG_UP        0x00004000      /* update tx descr when sent */
+#define    PAS_DMA_TXCHAN_CFG_CL        0x00002000      /* Clean last line */
+#define    PAS_DMA_TXCHAN_CFG_CF        0x00001000      /* Clean first line */
 #define PAS_DMA_TXCHAN_INCR(c)    (0x310+(c)*_PAS_DMA_TXCHAN_STRIDE)
 #define PAS_DMA_TXCHAN_BASEL(c)   (0x318+(c)*_PAS_DMA_TXCHAN_STRIDE)
 #define    PAS_DMA_TXCHAN_BASEL_BRBL_M  0xffffffc0
@@ -294,6 +297,7 @@ enum {
 #define    PAS_DMA_RXCHAN_CCMDSTA_FD    0x00001000
 #define    PAS_DMA_RXCHAN_CCMDSTA_DT    0x00000800
 #define PAS_DMA_RXCHAN_CFG(c)     (0x804+(c)*_PAS_DMA_RXCHAN_STRIDE)
+#define    PAS_DMA_RXCHAN_CFG_CTR       0x00000400
 #define    PAS_DMA_RXCHAN_CFG_HBU_M     0x00000380
 #define    PAS_DMA_RXCHAN_CFG_HBU_S     7
 #define    PAS_DMA_RXCHAN_CFG_HBU(x)    (((x) << PAS_DMA_RXCHAN_CFG_HBU_S) & \