From patchwork Fri Nov 2 17:39:58 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [U-Boot, Drivers, 13/19] net/macb: Add arch specific routine to get mdio control From: Vipin Kumar X-Patchwork-Id: 196712 Message-Id: <1323a5c3ffd75d128e0e9ccddd32adb3a395d2a2.1351877124.git.vipin.kumar@st.com> To: Cc: Shiraz Hashim , sr@denx.de, spear-devel@list.st.com Date: Fri, 2 Nov 2012 23:09:58 +0530 From: Shiraz Hashim SPEAr310 and SPEAr320 Ethernet interfaces share same MDIO lines to control their respective phys. Currently their is a fixed configuration in which only a particular MAC can use the MDIO lines. Call an arch specific function to take control of specific mdio lines at runtime. Signed-off-by: Shiraz Hashim Signed-off-by: Vipin Kumar --- drivers/net/macb.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/net/macb.c b/drivers/net/macb.c index 0e1ced7..ac25b52 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -165,6 +165,13 @@ static u16 macb_mdio_read(struct macb_device *macb, u8 reg) return MACB_BFEXT(DATA, frame); } +static void __def_arch_get_mdio_control(const char *name) +{ + return; +} +int arch_get_mdio_control(const char *name) + __attribute__((weak, alias("__def_arch_get_mdio_control"))); + #if defined(CONFIG_CMD_MII) int macb_miiphy_read(const char *devname, u8 phy_adr, u8 reg, u16 *value) @@ -175,6 +182,7 @@ int macb_miiphy_read(const char *devname, u8 phy_adr, u8 reg, u16 *value) if ( macb->phy_addr != phy_adr ) return -1; + arch_get_mdio_control(devname); *value = macb_mdio_read(macb, reg); return 0; @@ -188,6 +196,7 @@ int macb_miiphy_write(const char *devname, u8 phy_adr, u8 reg, u16 value) if ( macb->phy_addr != phy_adr ) return -1; + arch_get_mdio_control(devname); macb_mdio_write(macb, reg, value); return 0; @@ -379,6 +388,7 @@ static int macb_phy_init(struct macb_device *macb) int media, speed, duplex; int i; + arch_get_mdio_control(netdev->name); #ifdef CONFIG_MACB_SEARCH_PHY /* Auto-detect phy_addr */ if (!macb_phy_find(macb)) {