diff options
| -rw-r--r-- | drivers/net/pasemi_mac.c | 9 | ||||
| -rw-r--r-- | drivers/net/pasemi_mac.h | 8 |
2 files changed, 16 insertions, 1 deletions
diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c index 5eb5e47120d..c538c66d4b4 100644 --- a/drivers/net/pasemi_mac.c +++ b/drivers/net/pasemi_mac.c @@ -239,7 +239,9 @@ static int pasemi_mac_setup_rx_resources(struct net_device *dev) PAS_DMA_RXINT_BASEU_SIZ(RX_RING_SIZE >> 3)); write_dma_reg(mac, PAS_DMA_RXINT_CFG(mac->dma_if), - PAS_DMA_RXINT_CFG_DHL(2)); + PAS_DMA_RXINT_CFG_DHL(3) | + PAS_DMA_RXINT_CFG_L2 | + PAS_DMA_RXINT_CFG_LW); ring->next_to_fill = 0; ring->next_to_clean = 0; @@ -589,6 +591,11 @@ static int pasemi_mac_clean_rx(struct pasemi_mac *mac, int limit) n += 2; } + if (n > RX_RING_SIZE) { + /* Errata 5971 workaround: L2 target of headers */ + write_iob_reg(mac, PAS_IOB_COM_PKTHDRCNT, 0); + n &= (RX_RING_SIZE-1); + } mac->rx->next_to_clean = n; pasemi_mac_replenish_rx_ring(mac->netdev, limit-count); diff --git a/drivers/net/pasemi_mac.h b/drivers/net/pasemi_mac.h index 5a896aa87a9..db3393674ae 100644 --- a/drivers/net/pasemi_mac.h +++ b/drivers/net/pasemi_mac.h @@ -210,6 +210,8 @@ 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_LW 0x00200000 +#define PAS_DMA_RXINT_CFG_L2 0x00100000 #define PAS_DMA_RXINT_CFG_WIF 0x00000002 #define PAS_DMA_RXINT_CFG_WIL 0x00000001 @@ -315,6 +317,12 @@ enum { #define PAS_STATUS_SOFT 0x4000000000000000ull #define PAS_STATUS_INT 0x8000000000000000ull +#define PAS_IOB_COM_PKTHDRCNT 0x120 +#define PAS_IOB_COM_PKTHDRCNT_PKTHDR1_M 0x0fff0000 +#define PAS_IOB_COM_PKTHDRCNT_PKTHDR1_S 16 +#define PAS_IOB_COM_PKTHDRCNT_PKTHDR0_M 0x00000fff +#define PAS_IOB_COM_PKTHDRCNT_PKTHDR0_S 0 + #define PAS_IOB_DMA_RXCH_CFG(i) (0x1100 + (i)*4) #define PAS_IOB_DMA_RXCH_CFG_CNTTH_M 0x00000fff #define PAS_IOB_DMA_RXCH_CFG_CNTTH_S 0 |