diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 296687baccf757826dd000a071fac4ffadecd7e9..72d3f36ff284695b626ec86e06796ce06df3cdd5 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -108,6 +108,10 @@ static char mv643xx_eth_driver_version[] = "1.0"; #define INT_MASK(p) (0x0468 + ((p) << 10)) #define INT_MASK_EXT(p) (0x046c + ((p) << 10)) #define TX_FIFO_URGENT_THRESHOLD(p) (0x0474 + ((p) << 10)) +#define TXQ_FIX_PRIO_CONF_MOVED(p) (0x04dc + ((p) << 10)) +#define TX_BW_RATE_MOVED(p) (0x04e0 + ((p) << 10)) +#define TX_BW_MTU_MOVED(p) (0x04e8 + ((p) << 10)) +#define TX_BW_BURST_MOVED(p) (0x04ec + ((p) << 10)) #define RXQ_CURRENT_DESC_PTR(p, q) (0x060c + ((p) << 10) + ((q) << 4)) #define RXQ_COMMAND(p) (0x0680 + ((p) << 10)) #define TXQ_CURRENT_DESC_PTR(p, q) (0x06c0 + ((p) << 10) + ((q) << 2)) @@ -250,6 +254,7 @@ struct mv643xx_eth_shared_private { */ unsigned int t_clk; int extended_rx_coal_limit; + int tx_bw_control_moved; }; @@ -831,9 +836,15 @@ static void tx_set_rate(struct mv643xx_eth_private *mp, int rate, int burst) if (bucket_size > 65535) bucket_size = 65535; - wrl(mp, TX_BW_RATE(mp->port_num), token_rate); - wrl(mp, TX_BW_MTU(mp->port_num), mtu); - wrl(mp, TX_BW_BURST(mp->port_num), bucket_size); + if (mp->shared->tx_bw_control_moved) { + wrl(mp, TX_BW_RATE_MOVED(mp->port_num), token_rate); + wrl(mp, TX_BW_MTU_MOVED(mp->port_num), mtu); + wrl(mp, TX_BW_BURST_MOVED(mp->port_num), bucket_size); + } else { + wrl(mp, TX_BW_RATE(mp->port_num), token_rate); + wrl(mp, TX_BW_MTU(mp->port_num), mtu); + wrl(mp, TX_BW_BURST(mp->port_num), bucket_size); + } } static void txq_set_rate(struct tx_queue *txq, int rate, int burst) @@ -864,7 +875,10 @@ static void txq_set_fixed_prio_mode(struct tx_queue *txq) /* * Turn on fixed priority mode. */ - off = TXQ_FIX_PRIO_CONF(mp->port_num); + if (mp->shared->tx_bw_control_moved) + off = TXQ_FIX_PRIO_CONF_MOVED(mp->port_num); + else + off = TXQ_FIX_PRIO_CONF(mp->port_num); val = rdl(mp, off); val |= 1 << txq->index; @@ -880,7 +894,10 @@ static void txq_set_wrr(struct tx_queue *txq, int weight) /* * Turn off fixed priority mode. */ - off = TXQ_FIX_PRIO_CONF(mp->port_num); + if (mp->shared->tx_bw_control_moved) + off = TXQ_FIX_PRIO_CONF_MOVED(mp->port_num); + else + off = TXQ_FIX_PRIO_CONF(mp->port_num); val = rdl(mp, off); val &= ~(1 << txq->index); @@ -2108,6 +2125,16 @@ static void infer_hw_params(struct mv643xx_eth_shared_private *msp) msp->extended_rx_coal_limit = 1; else msp->extended_rx_coal_limit = 0; + + /* + * Check whether the TX rate control registers are in the + * old or the new place. + */ + writel(1, msp->base + TX_BW_MTU_MOVED(0)); + if (readl(msp->base + TX_BW_MTU_MOVED(0)) & 1) + msp->tx_bw_control_moved = 1; + else + msp->tx_bw_control_moved = 0; } static int mv643xx_eth_shared_probe(struct platform_device *pdev)