From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from top.free-electrons.com ([176.31.233.9] helo=mail.free-electrons.com) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XLKDG-0001YV-SU for barebox@lists.infradead.org; Sat, 23 Aug 2014 22:55:11 +0000 From: Ezequiel Garcia Date: Sat, 23 Aug 2014 19:53:37 -0300 Message-Id: <1408834420-899-3-git-send-email-ezequiel.garcia@free-electrons.com> In-Reply-To: <1408834420-899-1-git-send-email-ezequiel.garcia@free-electrons.com> References: <1408834420-899-1-git-send-email-ezequiel.garcia@free-electrons.com> 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 2/5] net: phy: Support Marvell 88EE1545 PHY To: barebox@lists.infradead.org Cc: Thomas Petazzoni This commit adds support for Marvell's 88E1545 PHY chip. In particular, this allows to support QSGMII interfaces. Signed-off-by: Ezequiel Garcia --- drivers/net/phy/marvell.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 34f852e..fa8e1a9 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -23,6 +23,7 @@ #define MARVELL_PHY_ID_88E1318S 0x01410e90 #define MARVELL_PHY_ID_88E1116R 0x01410e40 #define MARVELL_PHY_ID_88E1510 0x01410dd0 +#define MARVELL_PHY_ID_88E1545 0x01410eb0 /* Mask used for ID comparisons */ #define MARVELL_PHY_ID_MASK 0xfffffff0 @@ -50,6 +51,13 @@ #define MII_88E1121_PHY_MSCR_DELAY_MASK \ (MII_88E1121_PHY_MSCR_RX_DELAY | MII_88E1121_PHY_MSCR_TX_DELAY) +#define MII_88E1540_LED_PAGE 0x3 +#define MII_88E1540_LED_CONTROL 0x10 + +#define MII_88E1540_QSGMII_PAGE 0x4 +#define MII_88E1540_QSGMII_CONTROL 0x0 +#define MII_88E1540_QSGMII_AUTONEG_EN BIT(12) + /* * marvell_read_status * @@ -138,6 +146,48 @@ static int marvell_read_status(struct phy_device *phydev) return 0; } +static int m88e1540_config_init(struct phy_device *phydev) +{ + u16 reg; + int ret; + + /* Configure QSGMII auto-negotiation */ + if (phydev->interface == PHY_INTERFACE_MODE_QSGMII) { + ret = phy_write(phydev, MII_MARVELL_PHY_PAGE, + MII_88E1540_QSGMII_PAGE); + if (ret < 0) + return ret; + + reg = phy_read(phydev, MII_88E1540_QSGMII_CONTROL); + ret = phy_write(phydev, MII_88E1540_QSGMII_CONTROL, + reg | MII_88E1540_QSGMII_AUTONEG_EN); + if (ret < 0) + return ret; + } + + /* Configure LED as: + * Activity: Blink + * Link: On + * No Link: Off + */ + phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1540_LED_PAGE); + phy_write(phydev, MII_88E1540_LED_CONTROL, 0x1111); + + /* Power-up the PHY. When going from power down to normal operation, + * software reset and auto-negotiation restart are also performed. + */ + ret = phy_write(phydev, MII_MARVELL_PHY_PAGE, + MII_MARVELL_PHY_DEFAULT_PAGE); + if (ret < 0) + return ret; + ret = phy_write(phydev, MII_BMCR, + phy_read(phydev, MII_BMCR) & ~BMCR_PDOWN); + if (ret < 0) + return ret; + + return 0; +} + static int m88e1121_config_init(struct phy_device *phydev) { u16 reg; @@ -190,6 +240,15 @@ static struct phy_driver marvell_phys[] = { .config_aneg = genphy_config_aneg, .read_status = marvell_read_status, }, +{ + .phy_id = MARVELL_PHY_ID_88E1545, + .phy_id_mask = MARVELL_PHY_ID_MASK, + .drv.name = "Marvell 88E1545", + .features = PHY_GBIT_FEATURES, + .config_init = m88e1540_config_init, + .config_aneg = genphy_config_aneg, + .read_status = marvell_read_status, +}, }; static int __init marvell_phy_init(void) -- 2.0.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox