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pasemi_mac: enable iommu support

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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>
This commit is contained in:
Olof Johansson
2007-10-03 13:03:54 -05:00
committed by David S. Miller
parent 9ddf7774b9
commit af289e803f
4 changed files with 63 additions and 20 deletions
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8
drivers/net/pasemi_mac.h
View File

@@ -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) & \