Message ID | 1284729822-29176-1-git-send-email-peppe.cavallaro@st.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Giuseppe CAVALLARO <peppe.cavallaro@st.com> Date: Fri, 17 Sep 2010 15:23:39 +0200 > This patch adds the CSR Clock range selection. > > Original patch from Johannes Stezenbach fixed the CSR > in the stmmac_mdio. We agreed to provide this through > the platform instead of. > Also thanks to Johannes for having tested it on ARM. > > Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> > Signed-off-by: Johannes Stezenbach <js@sig21.net> Applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/stmmac/stmmac.h b/drivers/net/stmmac/stmmac.h index d0ddab0..12d1cb0 100644 --- a/drivers/net/stmmac/stmmac.h +++ b/drivers/net/stmmac/stmmac.h @@ -78,6 +78,7 @@ struct stmmac_priv { unsigned int flow_ctrl; unsigned int pause; struct mii_bus *mii; + int mii_clk_csr; u32 msg_enable; spinlock_t lock; diff --git a/drivers/net/stmmac/stmmac_main.c b/drivers/net/stmmac/stmmac_main.c index 03c160c..a169b14 100644 --- a/drivers/net/stmmac/stmmac_main.c +++ b/drivers/net/stmmac/stmmac_main.c @@ -1704,6 +1704,7 @@ static int stmmac_dvr_probe(struct platform_device *pdev) plat_dat = pdev->dev.platform_data; priv->bus_id = plat_dat->bus_id; priv->pbl = plat_dat->pbl; /* TLI */ + priv->mii_clk_csr = plat_dat->clk_csr; priv->is_gmac = plat_dat->has_gmac; /* GMAC is on board */ priv->enh_desc = plat_dat->enh_desc; priv->ioaddr = addr; diff --git a/drivers/net/stmmac/stmmac_mdio.c b/drivers/net/stmmac/stmmac_mdio.c index 03dea14..d744161 100644 --- a/drivers/net/stmmac/stmmac_mdio.c +++ b/drivers/net/stmmac/stmmac_mdio.c @@ -53,7 +53,7 @@ static int stmmac_mdio_read(struct mii_bus *bus, int phyaddr, int phyreg) int data; u16 regValue = (((phyaddr << 11) & (0x0000F800)) | ((phyreg << 6) & (0x000007C0))); - regValue |= MII_BUSY; /* in case of GMAC */ + regValue |= MII_BUSY | ((priv->mii_clk_csr & 7) << 2); do {} while (((readl(priv->ioaddr + mii_address)) & MII_BUSY) == 1); writel(regValue, priv->ioaddr + mii_address); @@ -85,7 +85,8 @@ static int stmmac_mdio_write(struct mii_bus *bus, int phyaddr, int phyreg, (((phyaddr << 11) & (0x0000F800)) | ((phyreg << 6) & (0x000007C0))) | MII_WRITE; - value |= MII_BUSY; + value |= MII_BUSY | ((priv->mii_clk_csr & 7) << 2); + /* Wait until any existing MII operation is complete */ do {} while (((readl(priv->ioaddr + mii_address)) & MII_BUSY) == 1); diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h index a4adf0d..c87c88c 100644 --- a/include/linux/stmmac.h +++ b/include/linux/stmmac.h @@ -32,6 +32,7 @@ struct plat_stmmacenet_data { int bus_id; int pbl; + int clk_csr; int has_gmac; int enh_desc; void (*fix_mac_speed)(void *priv, unsigned int speed);