diff options
Diffstat (limited to 'drivers/net/ethernet/cadence')
| -rw-r--r-- | drivers/net/ethernet/cadence/macb.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/cadence/macb_main.c | 24 |
2 files changed, 19 insertions, 7 deletions
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h index 14dfec4db8f9..c1fc91c97cee 100644 --- a/drivers/net/ethernet/cadence/macb.h +++ b/drivers/net/ethernet/cadence/macb.h @@ -692,6 +692,8 @@ #define GEM_CLK_DIV48 3 #define GEM_CLK_DIV64 4 #define GEM_CLK_DIV96 5 +#define GEM_CLK_DIV128 6 +#define GEM_CLK_DIV224 7 /* Constants for MAN register */ #define MACB_MAN_C22_SOF 1 diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index e43d99ec50ba..541e4dda7950 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -94,8 +94,7 @@ struct sifive_fu540_macb_mgmt { /* Graceful stop timeouts in us. We should allow up to * 1 frame time (10 Mbits/s, full-duplex, ignoring collisions) */ -#define MACB_HALT_TIMEOUT 1230 - +#define MACB_HALT_TIMEOUT 14000 #define MACB_PM_TIMEOUT 100 /* ms */ #define MACB_MDIO_TIMEOUT 1000000 /* in usecs */ @@ -1075,6 +1074,7 @@ static void macb_tx_error_task(struct work_struct *work) { struct macb_queue *queue = container_of(work, struct macb_queue, tx_error_task); + bool halt_timeout = false; struct macb *bp = queue->bp; struct macb_tx_skb *tx_skb; struct macb_dma_desc *desc; @@ -1102,9 +1102,11 @@ static void macb_tx_error_task(struct work_struct *work) * (in case we have just queued new packets) * macb/gem must be halted to write TBQP register */ - if (macb_halt_tx(bp)) - /* Just complain for now, reinitializing TX path can be good */ + if (macb_halt_tx(bp)) { netdev_err(bp->dev, "BUG: halt tx timed out\n"); + macb_writel(bp, NCR, macb_readl(bp, NCR) & (~MACB_BIT(TE))); + halt_timeout = true; + } /* Treat frames in TX queue including the ones that caused the error. * Free transmit buffers in upper layer. @@ -1175,6 +1177,9 @@ static void macb_tx_error_task(struct work_struct *work) macb_writel(bp, TSR, macb_readl(bp, TSR)); queue_writel(queue, IER, MACB_TX_INT_FLAGS); + if (halt_timeout) + macb_writel(bp, NCR, macb_readl(bp, NCR) | MACB_BIT(TE)); + /* Now we are ready to start transmission again */ netif_tx_start_all_queues(bp->dev); macb_writel(bp, NCR, macb_readl(bp, NCR) | MACB_BIT(TSTART)); @@ -2645,8 +2650,12 @@ static u32 gem_mdc_clk_div(struct macb *bp) config = GEM_BF(CLK, GEM_CLK_DIV48); else if (pclk_hz <= 160000000) config = GEM_BF(CLK, GEM_CLK_DIV64); - else + else if (pclk_hz <= 240000000) config = GEM_BF(CLK, GEM_CLK_DIV96); + else if (pclk_hz <= 320000000) + config = GEM_BF(CLK, GEM_CLK_DIV128); + else + config = GEM_BF(CLK, GEM_CLK_DIV224); return config; } @@ -4848,7 +4857,7 @@ static const struct macb_config mpfs_config = { static const struct macb_config sama7g5_gem_config = { .caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_CLK_HW_CHG | - MACB_CAPS_MIIONRGMII, + MACB_CAPS_MIIONRGMII | MACB_CAPS_GEM_HAS_PTP, .dma_burst_length = 16, .clk_init = macb_clk_init, .init = macb_init, @@ -4857,7 +4866,8 @@ static const struct macb_config sama7g5_gem_config = { static const struct macb_config sama7g5_emac_config = { .caps = MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII | - MACB_CAPS_USRIO_HAS_CLKEN | MACB_CAPS_MIIONRGMII, + MACB_CAPS_USRIO_HAS_CLKEN | MACB_CAPS_MIIONRGMII | + MACB_CAPS_GEM_HAS_PTP, .dma_burst_length = 16, .clk_init = macb_clk_init, .init = macb_init, |