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| author | Punnaiah Choudary Kalluri <punnaiah.choudary.kalluri@xilinx.com> | 2015-11-18 09:03:50 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-11-18 15:09:09 -0500 |
| commit | 022be25c2498e1baa82562aba9f3380b1ef70fa6 (patch) | |
| tree | 494c340beff0471ded8fd28f7445fcfe5fb47aa7 | |
| parent | 0208e951d55c435137543e12d7ee795c3784713a (diff) | |
| download | linux-stable-022be25c2498e1baa82562aba9f3380b1ef70fa6.tar.gz linux-stable-022be25c2498e1baa82562aba9f3380b1ef70fa6.tar.bz2 linux-stable-022be25c2498e1baa82562aba9f3380b1ef70fa6.zip | |
net: macb: Add support for sgmii phy interface
This patch adds support for the sgmii phy interface.
Signed-off-by: Punnaiah Choudary Kalluri <punnaia@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/cadence/macb.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/cadence/macb.h | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index 88c1e1a834f8..169059c92f80 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -1682,6 +1682,8 @@ static void macb_init_hw(struct macb *bp) macb_set_hwaddr(bp); config = macb_mdc_clk_div(bp); + if (bp->phy_interface == PHY_INTERFACE_MODE_SGMII) + config |= GEM_BIT(SGMIIEN) | GEM_BIT(PCSSEL); config |= MACB_BF(RBOF, NET_IP_ALIGN); /* Make eth data aligned */ config |= MACB_BIT(PAE); /* PAuse Enable */ config |= MACB_BIT(DRFCS); /* Discard Rx FCS */ @@ -2416,6 +2418,8 @@ static int macb_init(struct platform_device *pdev) /* Set MII management clock divider */ val = macb_mdc_clk_div(bp); val |= macb_dbw(bp); + if (bp->phy_interface == PHY_INTERFACE_MODE_SGMII) + val |= GEM_BIT(SGMIIEN) | GEM_BIT(PCSSEL); macb_writel(bp, NCFGR, val); return 0; diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h index 6e1faea00ca8..d83b0db77821 100644 --- a/drivers/net/ethernet/cadence/macb.h +++ b/drivers/net/ethernet/cadence/macb.h @@ -215,12 +215,17 @@ /* GEM specific NCFGR bitfields. */ #define GEM_GBE_OFFSET 10 /* Gigabit mode enable */ #define GEM_GBE_SIZE 1 +#define GEM_PCSSEL_OFFSET 11 +#define GEM_PCSSEL_SIZE 1 #define GEM_CLK_OFFSET 18 /* MDC clock division */ #define GEM_CLK_SIZE 3 #define GEM_DBW_OFFSET 21 /* Data bus width */ #define GEM_DBW_SIZE 2 #define GEM_RXCOEN_OFFSET 24 #define GEM_RXCOEN_SIZE 1 +#define GEM_SGMIIEN_OFFSET 27 +#define GEM_SGMIIEN_SIZE 1 + /* Constants for data bus width. */ #define GEM_DBW32 0 /* 32 bit AMBA AHB data bus width */ |