diff options
Diffstat (limited to 'drivers/net/phy')
| -rw-r--r-- | drivers/net/phy/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/net/phy/miiphybb.c | 89 | ||||
| -rw-r--r-- | drivers/net/phy/ti_phy_init.c | 48 |
3 files changed, 47 insertions, 94 deletions
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 13e73810ad6..3132718e4f8 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -2,10 +2,6 @@ config BITBANGMII bool "Bit-banged ethernet MII management channel support" -config BITBANGMII_MULTI - bool "Enable the multi bus support" - depends on BITBANGMII - config MV88E6352_SWITCH bool "Marvell 88E6352 switch support" diff --git a/drivers/net/phy/miiphybb.c b/drivers/net/phy/miiphybb.c index b143137893f..171c1719b5b 100644 --- a/drivers/net/phy/miiphybb.c +++ b/drivers/net/phy/miiphybb.c @@ -17,90 +17,6 @@ #include <miiphy.h> #include <asm/global_data.h> -#ifndef CONFIG_BITBANGMII_MULTI - -/* - * If CONFIG_BITBANGMII_MULTI is not defined we use a - * compatibility layer with the previous miiphybb implementation - * based on macros usage. - * - */ -static int bb_mii_init_wrap(struct bb_miiphy_bus *bus) -{ -#ifdef MII_INIT - MII_INIT; -#endif - return 0; -} - -static int bb_mdio_active_wrap(struct bb_miiphy_bus *bus) -{ -#ifdef MDIO_DECLARE - MDIO_DECLARE; -#endif - MDIO_ACTIVE; - return 0; -} - -static int bb_mdio_tristate_wrap(struct bb_miiphy_bus *bus) -{ -#ifdef MDIO_DECLARE - MDIO_DECLARE; -#endif - MDIO_TRISTATE; - return 0; -} - -static int bb_set_mdio_wrap(struct bb_miiphy_bus *bus, int v) -{ -#ifdef MDIO_DECLARE - MDIO_DECLARE; -#endif - MDIO(v); - return 0; -} - -static int bb_get_mdio_wrap(struct bb_miiphy_bus *bus, int *v) -{ -#ifdef MDIO_DECLARE - MDIO_DECLARE; -#endif - *v = MDIO_READ; - return 0; -} - -static int bb_set_mdc_wrap(struct bb_miiphy_bus *bus, int v) -{ -#ifdef MDC_DECLARE - MDC_DECLARE; -#endif - MDC(v); - return 0; -} - -static int bb_delay_wrap(struct bb_miiphy_bus *bus) -{ - MIIDELAY; - return 0; -} - -struct bb_miiphy_bus bb_miiphy_buses[] = { - { - .name = BB_MII_DEVNAME, - .init = bb_mii_init_wrap, - .mdio_active = bb_mdio_active_wrap, - .mdio_tristate = bb_mdio_tristate_wrap, - .set_mdio = bb_set_mdio_wrap, - .get_mdio = bb_get_mdio_wrap, - .set_mdc = bb_set_mdc_wrap, - .delay = bb_delay_wrap, - } -}; - -int bb_miiphy_buses_num = sizeof(bb_miiphy_buses) / - sizeof(bb_miiphy_buses[0]); -#endif - int bb_miiphy_init(void) { int i; @@ -114,7 +30,6 @@ int bb_miiphy_init(void) static inline struct bb_miiphy_bus *bb_miiphy_getbus(const char *devname) { -#ifdef CONFIG_BITBANGMII_MULTI int i; /* Search the correct bus */ @@ -124,10 +39,6 @@ static inline struct bb_miiphy_bus *bb_miiphy_getbus(const char *devname) } } return NULL; -#else - /* We have just one bitbanging bus */ - return &bb_miiphy_buses[0]; -#endif } /***************************************************************************** diff --git a/drivers/net/phy/ti_phy_init.c b/drivers/net/phy/ti_phy_init.c index a0878193ac0..850c0cbec96 100644 --- a/drivers/net/phy/ti_phy_init.c +++ b/drivers/net/phy/ti_phy_init.c @@ -10,12 +10,58 @@ #include <phy.h> #include "ti_phy_init.h" +#define DP83822_DEVADDR 0x1f + +#define MII_DP83822_RCSR 0x17 + +/* RCSR bits */ +#define DP83822_RX_CLK_SHIFT BIT(12) +#define DP83822_TX_CLK_SHIFT BIT(11) + +/* DP83822 specific RGMII RX/TX delay configuration. */ +static int dp83822_config(struct phy_device *phydev) +{ + ofnode node = phy_get_ofnode(phydev); + u32 rgmii_delay = 0; + u32 rx_delay = 0; + u32 tx_delay = 0; + int ret; + + ret = ofnode_read_u32(node, "rx-internal-delay-ps", &rx_delay); + if (ret) { + rx_delay = phydev->interface == PHY_INTERFACE_MODE_RGMII_ID || + phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID; + } + + ret = ofnode_read_u32(node, "tx-internal-delay-ps", &tx_delay); + if (ret) { + tx_delay = phydev->interface == PHY_INTERFACE_MODE_RGMII_ID || + phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID; + } + + /* Bit set means Receive path internal clock shift is ENABLED */ + if (rx_delay) + rgmii_delay |= DP83822_RX_CLK_SHIFT; + + /* Bit set means Transmit path internal clock shift is DISABLED */ + if (!tx_delay) + rgmii_delay |= DP83822_TX_CLK_SHIFT; + + ret = phy_modify_mmd(phydev, DP83822_DEVADDR, MII_DP83822_RCSR, + DP83822_RX_CLK_SHIFT | DP83822_TX_CLK_SHIFT, + rgmii_delay); + if (ret) + return ret; + + return genphy_config_aneg(phydev); +} + U_BOOT_PHY_DRIVER(dp83822) = { .name = "TI DP83822", .uid = 0x2000a240, .mask = 0xfffffff0, .features = PHY_BASIC_FEATURES, - .config = &genphy_config_aneg, + .config = &dp83822_config, .startup = &genphy_startup, .shutdown = &genphy_shutdown, }; |