From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VnY7q-00043M-82 for barebox@lists.infradead.org; Mon, 02 Dec 2013 18:21:43 +0000 Received: from dude.hi.pengutronix.de ([10.1.0.7] helo=dude.pengutronix.de) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1VnY7U-0007rr-4l for barebox@lists.infradead.org; Mon, 02 Dec 2013 19:21:20 +0100 From: Lucas Stach Date: Mon, 2 Dec 2013 19:21:19 +0100 Message-Id: <1386008480-10368-1-git-send-email-l.stach@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH v2 1/2] net/phy: add driver for atheros PHYs To: barebox@lists.infradead.org Based on Linux kernel 3.12 driver. Signed-off-by: Lucas Stach --- drivers/net/phy/Kconfig | 5 ++ drivers/net/phy/Makefile | 1 + drivers/net/phy/at803x.c | 121 +++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 127 insertions(+) create mode 100644 drivers/net/phy/at803x.c diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index b6ac9ee75076..83966f997f27 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -8,6 +8,11 @@ if PHYLIB comment "MII PHY device drivers" +config AT803X_PHY + bool "Driver for Atheros AT803X PHYs" + ---help--- + Currently supports the AT8030, AT8031 and AT8035 PHYs. + config MICREL_PHY bool "Driver for Micrel PHYs" ---help--- diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index 5f8191d8a7f5..47e2b423319f 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -1,3 +1,4 @@ obj-y += phy.o mdio_bus.o +obj-$(CONFIG_AT803X_PHY) += at803x.o obj-$(CONFIG_MICREL_PHY) += micrel.o obj-$(CONFIG_SMSC_PHY) += smsc.o diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c new file mode 100644 index 000000000000..a244c87cbafa --- /dev/null +++ b/drivers/net/phy/at803x.c @@ -0,0 +1,121 @@ +/* + * drivers/net/phy/at803x.c + * + * Driver for Atheros 803x PHY + * + * Author: Matus Ujhelyi + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include +#include +#include +#include + +#define AT803X_INTR_ENABLE 0x12 +#define AT803X_INTR_STATUS 0x13 +#define AT803X_WOL_ENABLE 0x01 +#define AT803X_DEVICE_ADDR 0x03 +#define AT803X_LOC_MAC_ADDR_0_15_OFFSET 0x804C +#define AT803X_LOC_MAC_ADDR_16_31_OFFSET 0x804B +#define AT803X_LOC_MAC_ADDR_32_47_OFFSET 0x804A +#define AT803X_MMD_ACCESS_CONTROL 0x0D +#define AT803X_MMD_ACCESS_CONTROL_DATA 0x0E +#define AT803X_FUNC_DATA 0x4003 +#define AT803X_DEBUG_ADDR 0x1D +#define AT803X_DEBUG_DATA 0x1E +#define AT803X_DEBUG_SYSTEM_MODE_CTRL 0x05 +#define AT803X_DEBUG_RGMII_TX_CLK_DLY (1 << 8) + +static int at803x_config_init(struct phy_device *phydev) +{ + int val; + int ret; + u32 features; + + features = SUPPORTED_TP | SUPPORTED_MII | SUPPORTED_AUI | + SUPPORTED_FIBRE | SUPPORTED_BNC; + + val = phy_read(phydev, MII_BMSR); + if (val < 0) + return val; + + if (val & BMSR_ANEGCAPABLE) + features |= SUPPORTED_Autoneg; + if (val & BMSR_100FULL) + features |= SUPPORTED_100baseT_Full; + if (val & BMSR_100HALF) + features |= SUPPORTED_100baseT_Half; + if (val & BMSR_10FULL) + features |= SUPPORTED_10baseT_Full; + if (val & BMSR_10HALF) + features |= SUPPORTED_10baseT_Half; + + if (val & BMSR_ESTATEN) { + val = phy_read(phydev, MII_ESTATUS); + if (val < 0) + return val; + + if (val & ESTATUS_1000_TFULL) + features |= SUPPORTED_1000baseT_Full; + if (val & ESTATUS_1000_THALF) + features |= SUPPORTED_1000baseT_Half; + } + + phydev->supported = features; + phydev->advertising = features; + + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) { + ret = phy_write(phydev, AT803X_DEBUG_ADDR, + AT803X_DEBUG_SYSTEM_MODE_CTRL); + if (ret) + return ret; + ret = phy_write(phydev, AT803X_DEBUG_DATA, + AT803X_DEBUG_RGMII_TX_CLK_DLY); + if (ret) + return ret; + } + + return 0; +} + +static struct phy_driver at803x_driver[] = { +{ + /* ATHEROS 8035 */ + .phy_id = 0x004dd072, + .phy_id_mask = 0xffffffef, + .drv.name = "Atheros 8035 ethernet", + .config_init = at803x_config_init, + .features = PHY_GBIT_FEATURES, + .config_aneg = &genphy_config_aneg, + .read_status = &genphy_read_status, +}, { + /* ATHEROS 8030 */ + .phy_id = 0x004dd076, + .phy_id_mask = 0xffffffef, + .drv.name = "Atheros 8030 ethernet", + .config_init = at803x_config_init, + .features = PHY_GBIT_FEATURES, + .config_aneg = &genphy_config_aneg, + .read_status = &genphy_read_status, +}, { + /* ATHEROS 8031 */ + .phy_id = 0x004dd074, + .phy_id_mask = 0xffffffef, + .drv.name = "Atheros 8031 ethernet", + .config_init = at803x_config_init, + .features = PHY_GBIT_FEATURES, + .config_aneg = &genphy_config_aneg, + .read_status = &genphy_read_status, +} }; + +static int atheros_phy_init(void) +{ + return phy_drivers_register(at803x_driver, + ARRAY_SIZE(at803x_driver)); +} +fs_initcall(atheros_phy_init); -- 1.8.4.3 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox