/*- * Copyright (c) 2011-2012 Stefan Bethke. * Copyright (c) 2014 Adrian Chadd. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "mdio_if.h" #include "miibus_if.h" #include "etherswitch_if.h" /* * AR8327 TODO: * * There should be a default hardware setup hint set for the default * switch config. Otherwise the default is "all ports in one vlangroup", * which means both CPU ports can see each other and that will quickly * lead to traffic storms/loops. */ static int ar8327_vlan_op(struct arswitch_softc *sc, uint32_t op, uint32_t vid, uint32_t data) { int err; /* * Wait for the "done" bit to finish. */ if (arswitch_waitreg(sc->sc_dev, AR8327_REG_VTU_FUNC1, AR8327_VTU_FUNC1_BUSY, 0, 5)) return (EBUSY); /* * If it's a "load" operation, then ensure 'data' is loaded * in first. */ if ((op & AR8327_VTU_FUNC1_OP) == AR8327_VTU_FUNC1_OP_LOAD) { err = arswitch_writereg(sc->sc_dev, AR8327_REG_VTU_FUNC0, data); if (err) return (err); } /* * Set the VID. */ op |= ((vid & 0xfff) << AR8327_VTU_FUNC1_VID_S); /* * Set busy bit to start loading in the command. */ op |= AR8327_VTU_FUNC1_BUSY; arswitch_writereg(sc->sc_dev, AR8327_REG_VTU_FUNC1, op); /* * Finally - wait for it to load. */ if (arswitch_waitreg(sc->sc_dev, AR8327_REG_VTU_FUNC1, AR8327_VTU_FUNC1_BUSY, 0, 5)) return (EBUSY); return (0); } static void ar8327_phy_fixup(struct arswitch_softc *sc, int phy) { if (bootverbose) device_printf(sc->sc_dev, "%s: called; phy=%d; chiprev=%d\n", __func__, phy, sc->chip_rev); switch (sc->chip_rev) { case 1: /* For 100M waveform */ arswitch_writedbg(sc->sc_dev, phy, 0, 0x02ea); /* Turn on Gigabit clock */ arswitch_writedbg(sc->sc_dev, phy, 0x3d, 0x68a0); break; case 2: arswitch_writemmd(sc->sc_dev, phy, 0x7, 0x3c); arswitch_writemmd(sc->sc_dev, phy, 0x4007, 0x0); /* fallthrough */ case 4: arswitch_writemmd(sc->sc_dev, phy, 0x3, 0x800d); arswitch_writemmd(sc->sc_dev, phy, 0x4003, 0x803f); arswitch_writedbg(sc->sc_dev, phy, 0x3d, 0x6860); arswitch_writedbg(sc->sc_dev, phy, 0x5, 0x2c46); arswitch_writedbg(sc->sc_dev, phy, 0x3c, 0x6000); break; } } static uint32_t ar8327_get_pad_cfg(struct ar8327_pad_cfg *cfg) { uint32_t t; if (!cfg) return (0); t = 0; switch (cfg->mode) { case AR8327_PAD_NC: break; case AR8327_PAD_MAC2MAC_MII: t = AR8327_PAD_MAC_MII_EN; if (cfg->rxclk_sel) t |= AR8327_PAD_MAC_MII_RXCLK_SEL; if (cfg->txclk_sel) t |= AR8327_PAD_MAC_MII_TXCLK_SEL; break; case AR8327_PAD_MAC2MAC_GMII: t = AR8327_PAD_MAC_GMII_EN; if (cfg->rxclk_sel) t |= AR8327_PAD_MAC_GMII_RXCLK_SEL; if (cfg->txclk_sel) t |= AR8327_PAD_MAC_GMII_TXCLK_SEL; break; case AR8327_PAD_MAC_SGMII: t = AR8327_PAD_SGMII_EN; /* * WAR for the Qualcomm Atheros AP136 board. * It seems that RGMII TX/RX delay settings needs to be * applied for SGMII mode as well, The ethernet is not * reliable without this. */ t |= cfg->txclk_delay_sel << AR8327_PAD_RGMII_TXCLK_DELAY_SEL_S; t |= cfg->rxclk_delay_sel << AR8327_PAD_RGMII_RXCLK_DELAY_SEL_S; if (cfg->rxclk_delay_en) t |= AR8327_PAD_RGMII_RXCLK_DELAY_EN; if (cfg->txclk_delay_en) t |= AR8327_PAD_RGMII_TXCLK_DELAY_EN; if (cfg->sgmii_delay_en) t |= AR8327_PAD_SGMII_DELAY_EN; break; case AR8327_PAD_MAC2PHY_MII: t = AR8327_PAD_PHY_MII_EN; if (cfg->rxclk_sel) t |= AR8327_PAD_PHY_MII_RXCLK_SEL; if (cfg->txclk_sel) t |= AR8327_PAD_PHY_MII_TXCLK_SEL; break; case AR8327_PAD_MAC2PHY_GMII: t = AR8327_PAD_PHY_GMII_EN; if (cfg->pipe_rxclk_sel) t |= AR8327_PAD_PHY_GMII_PIPE_RXCLK_SEL; if (cfg->rxclk_sel) t |= AR8327_PAD_PHY_GMII_RXCLK_SEL; if (cfg->txclk_sel) t |= AR8327_PAD_PHY_GMII_TXCLK_SEL; break; case AR8327_PAD_MAC_RGMII: t = AR8327_PAD_RGMII_EN; t |= cfg->txclk_delay_sel << AR8327_PAD_RGMII_TXCLK_DELAY_SEL_S; t |= cfg->rxclk_delay_sel << AR8327_PAD_RGMII_RXCLK_DELAY_SEL_S; if (cfg->rxclk_delay_en) t |= AR8327_PAD_RGMII_RXCLK_DELAY_EN; if (cfg->txclk_delay_en) t |= AR8327_PAD_RGMII_TXCLK_DELAY_EN; break; case AR8327_PAD_PHY_GMII: t = AR8327_PAD_PHYX_GMII_EN; break; case AR8327_PAD_PHY_RGMII: t = AR8327_PAD_PHYX_RGMII_EN; break; case AR8327_PAD_PHY_MII: t = AR8327_PAD_PHYX_MII_EN; break; } return (t); } /* * Map the hard-coded port config from the switch setup to * the chipset port config (status, duplex, flow, etc.) */ static uint32_t ar8327_get_port_init_status(struct ar8327_port_cfg *cfg) { uint32_t t; if (!cfg->force_link) return (AR8X16_PORT_STS_LINK_AUTO); t = AR8X16_PORT_STS_TXMAC | AR8X16_PORT_STS_RXMAC; t |= cfg->duplex ? AR8X16_PORT_STS_DUPLEX : 0; t |= cfg->rxpause ? AR8X16_PORT_STS_RXFLOW : 0; t |= cfg->txpause ? AR8X16_PORT_STS_TXFLOW : 0; switch (cfg->speed) { case AR8327_PORT_SPEED_10: t |= AR8X16_PORT_STS_SPEED_10; break; case AR8327_PORT_SPEED_100: t |= AR8X16_PORT_STS_SPEED_100; break; case AR8327_PORT_SPEED_1000: t |= AR8X16_PORT_STS_SPEED_1000; break; } return (t); } /* * Fetch the port data for the given port. * * This goes and does dirty things with the hints space * to determine what the configuration parameters should be. * * Returns 1 if the structure was successfully parsed and * the contents are valid; 0 otherwise. */ static int ar8327_fetch_pdata_port(struct arswitch_softc *sc, struct ar8327_port_cfg *pcfg, int port) { int val; char sbuf[128]; /* Check if force_link exists */ val = 0; snprintf(sbuf, 128, "port.%d.force_link", port); (void) resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), sbuf, &val); if (val != 1) return (0); pcfg->force_link = 1; /* force_link is set; let's parse the rest of the fields */ snprintf(sbuf, 128, "port.%d.speed", port); if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), sbuf, &val) == 0) { switch (val) { case 10: pcfg->speed = AR8327_PORT_SPEED_10; break; case 100: pcfg->speed = AR8327_PORT_SPEED_100; break; case 1000: pcfg->speed = AR8327_PORT_SPEED_1000; break; default: device_printf(sc->sc_dev, "%s: invalid port %d duplex value (%d)\n", __func__, port, val); return (0); } } snprintf(sbuf, 128, "port.%d.duplex", port); if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), sbuf, &val) == 0) pcfg->duplex = val; snprintf(sbuf, 128, "port.%d.txpause", port); if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), sbuf, &val) == 0) pcfg->txpause = val; snprintf(sbuf, 128, "port.%d.rxpause", port); if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), sbuf, &val) == 0) pcfg->rxpause = val; #if 1 device_printf(sc->sc_dev, "%s: port %d: speed=%d, duplex=%d, txpause=%d, rxpause=%d\n", __func__, port, pcfg->speed, pcfg->duplex, pcfg->txpause, pcfg->rxpause); #endif return (1); } /* * Parse the pad configuration from the boot hints. * * The (mostly optional) fields are: * * uint32_t mode; * uint32_t rxclk_sel; * uint32_t txclk_sel; * uint32_t txclk_delay_sel; * uint32_t rxclk_delay_sel; * uint32_t txclk_delay_en; * uint32_t rxclk_delay_en; * uint32_t sgmii_delay_en; * uint32_t pipe_rxclk_sel; * * If mode isn't in the hints, 0 is returned. * Else the structure is fleshed out and 1 is returned. */ static int ar8327_fetch_pdata_pad(struct arswitch_softc *sc, struct ar8327_pad_cfg *pc, int pad) { int val; char sbuf[128]; /* Check if mode exists */ val = 0; snprintf(sbuf, 128, "pad.%d.mode", pad); if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), sbuf, &val) != 0) return (0); /* assume that 'mode' exists and was found */ pc->mode = val; snprintf(sbuf, 128, "pad.%d.rxclk_sel", pad); if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), sbuf, &val) == 0) pc->rxclk_sel = val; snprintf(sbuf, 128, "pad.%d.txclk_sel", pad); if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), sbuf, &val) == 0) pc->txclk_sel = val; snprintf(sbuf, 128, "pad.%d.txclk_delay_sel", pad); if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), sbuf, &val) == 0) pc->txclk_delay_sel = val; snprintf(sbuf, 128, "pad.%d.rxclk_delay_sel", pad); if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), sbuf, &val) == 0) pc->rxclk_delay_sel = val; snprintf(sbuf, 128, "pad.%d.txclk_delay_en", pad); if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), sbuf, &val) == 0) pc->txclk_delay_en = val; snprintf(sbuf, 128, "pad.%d.rxclk_delay_en", pad); if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), sbuf, &val) == 0) pc->rxclk_delay_en = val; snprintf(sbuf, 128, "pad.%d.sgmii_delay_en", pad); if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), sbuf, &val) == 0) pc->sgmii_delay_en = val; snprintf(sbuf, 128, "pad.%d.pipe_rxclk_sel", pad); if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), sbuf, &val) == 0) pc->pipe_rxclk_sel = val; if (bootverbose) { device_printf(sc->sc_dev, "%s: pad %d: mode=%d, rxclk_sel=%d, txclk_sel=%d, " "txclk_delay_sel=%d, rxclk_delay_sel=%d, txclk_delay_en=%d, " "rxclk_enable_en=%d, sgmii_delay_en=%d, pipe_rxclk_sel=%d\n", __func__, pad, pc->mode, pc->rxclk_sel, pc->txclk_sel, pc->txclk_delay_sel, pc->rxclk_delay_sel, pc->txclk_delay_en, pc->rxclk_delay_en, pc->sgmii_delay_en, pc->pipe_rxclk_sel); } return (1); } /* * Fetch the SGMII configuration block from the boot hints. */ static int ar8327_fetch_pdata_sgmii(struct arswitch_softc *sc, struct ar8327_sgmii_cfg *scfg) { int val; /* sgmii_ctrl */ val = 0; if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), "sgmii.ctrl", &val) != 0) return (0); scfg->sgmii_ctrl = val; /* serdes_aen */ val = 0; if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), "sgmii.serdes_aen", &val) != 0) return (0); scfg->serdes_aen = val; return (1); } /* * Fetch the LED configuration from the boot hints. */ static int ar8327_fetch_pdata_led(struct arswitch_softc *sc, struct ar8327_led_cfg *lcfg) { int val; val = 0; if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), "led.ctrl0", &val) != 0) return (0); lcfg->led_ctrl0 = val; val = 0; if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), "led.ctrl1", &val) != 0) return (0); lcfg->led_ctrl1 = val; val = 0; if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), "led.ctrl2", &val) != 0) return (0); lcfg->led_ctrl2 = val; val = 0; if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), "led.ctrl3", &val) != 0) return (0); lcfg->led_ctrl3 = val; val = 0; if (resource_int_value(device_get_name(sc->sc_dev), device_get_unit(sc->sc_dev), "led.open_drain", &val) != 0) return (0); lcfg->open_drain = val; return (1); } /* * Initialise the ar8327 specific hardware features from * the hints provided in the boot environment. */ static int ar8327_init_pdata(struct arswitch_softc *sc) { struct ar8327_pad_cfg pc; struct ar8327_port_cfg port_cfg; struct ar8327_sgmii_cfg scfg; struct ar8327_led_cfg lcfg; uint32_t t, new_pos, pos; /* Port 0 */ bzero(&port_cfg, sizeof(port_cfg)); sc->ar8327.port0_status = 0; if (ar8327_fetch_pdata_port(sc, &port_cfg, 0)) sc->ar8327.port0_status = ar8327_get_port_init_status(&port_cfg); /* Port 6 */ bzero(&port_cfg, sizeof(port_cfg)); sc->ar8327.port6_status = 0; if (ar8327_fetch_pdata_port(sc, &port_cfg, 6)) sc->ar8327.port6_status = ar8327_get_port_init_status(&port_cfg); /* Pad 0 */ bzero(&pc, sizeof(pc)); t = 0; if (ar8327_fetch_pdata_pad(sc, &pc, 0)) t = ar8327_get_pad_cfg(&pc); #if 0 if (AR8X16_IS_SWITCH(sc, AR8337)) t |= AR8337_PAD_MAC06_EXCHANGE_EN; #endif arswitch_writereg(sc->sc_dev, AR8327_REG_PAD0_MODE, t); /* Pad 5 */ bzero(&pc, sizeof(pc)); t = 0; if (ar8327_fetch_pdata_pad(sc, &pc, 5)) t = ar8327_get_pad_cfg(&pc); arswitch_writereg(sc->sc_dev, AR8327_REG_PAD5_MODE, t); /* Pad 6 */ bzero(&pc, sizeof(pc)); t = 0; if (ar8327_fetch_pdata_pad(sc, &pc, 6)) t = ar8327_get_pad_cfg(&pc); arswitch_writereg(sc->sc_dev, AR8327_REG_PAD6_MODE, t); pos = arswitch_readreg(sc->sc_dev, AR8327_REG_POWER_ON_STRIP); new_pos = pos; /* XXX LED config */ bzero(&lcfg, sizeof(lcfg)); if (ar8327_fetch_pdata_led(sc, &lcfg)) { if (lcfg.open_drain) new_pos |= AR8327_POWER_ON_STRIP_LED_OPEN_EN; else new_pos &= ~AR8327_POWER_ON_STRIP_LED_OPEN_EN; arswitch_writereg(sc->sc_dev, AR8327_REG_LED_CTRL0, lcfg.led_ctrl0); arswitch_writereg(sc->sc_dev, AR8327_REG_LED_CTRL1, lcfg.led_ctrl1); arswitch_writereg(sc->sc_dev, AR8327_REG_LED_CTRL2, lcfg.led_ctrl2); arswitch_writereg(sc->sc_dev, AR8327_REG_LED_CTRL3, lcfg.led_ctrl3); if (new_pos != pos) new_pos |= AR8327_POWER_ON_STRIP_POWER_ON_SEL; } /* SGMII config */ bzero(&scfg, sizeof(scfg)); if (ar8327_fetch_pdata_sgmii(sc, &scfg)) { device_printf(sc->sc_dev, "%s: SGMII cfg?\n", __func__); t = scfg.sgmii_ctrl; if (sc->chip_rev == 1) t |= AR8327_SGMII_CTRL_EN_PLL | AR8327_SGMII_CTRL_EN_RX | AR8327_SGMII_CTRL_EN_TX; else t &= ~(AR8327_SGMII_CTRL_EN_PLL | AR8327_SGMII_CTRL_EN_RX | AR8327_SGMII_CTRL_EN_TX); arswitch_writereg(sc->sc_dev, AR8327_REG_SGMII_CTRL, t); if (scfg.serdes_aen) new_pos &= ~AR8327_POWER_ON_STRIP_SERDES_AEN; else new_pos |= AR8327_POWER_ON_STRIP_SERDES_AEN; } arswitch_writereg(sc->sc_dev, AR8327_REG_POWER_ON_STRIP, new_pos); return (0); } static int ar8327_hw_setup(struct arswitch_softc *sc) { int i; int err; /* pdata fetch and setup */ err = ar8327_init_pdata(sc); if (err != 0) return (err); /* XXX init leds */ for (i = 0; i < AR8327_NUM_PHYS; i++) { /* phy fixup */ ar8327_phy_fixup(sc, i); /* start PHY autonegotiation? */ /* XXX is this done as part of the normal PHY setup? */ } /* Let things settle */ DELAY(1000); return (0); } /* * Initialise other global values, for the AR8327. */ static int ar8327_hw_global_setup(struct arswitch_softc *sc) { uint32_t t; /* enable CPU port and disable mirror port */ t = AR8327_FWD_CTRL0_CPU_PORT_EN | AR8327_FWD_CTRL0_MIRROR_PORT; arswitch_writereg(sc->sc_dev, AR8327_REG_FWD_CTRL0, t); /* forward multicast and broadcast frames to CPU */ t = (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_UC_FLOOD_S) | (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_MC_FLOOD_S) | (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_BC_FLOOD_S); arswitch_writereg(sc->sc_dev, AR8327_REG_FWD_CTRL1, t); /* enable jumbo frames */ /* XXX need to macro-shift the value! */ arswitch_modifyreg(sc->sc_dev, AR8327_REG_MAX_FRAME_SIZE, AR8327_MAX_FRAME_SIZE_MTU, 9018 + 8 + 2); /* Enable MIB counters */ arswitch_modifyreg(sc->sc_dev, AR8327_REG_MODULE_EN, AR8327_MODULE_EN_MIB, AR8327_MODULE_EN_MIB); /* Disable EEE on all ports due to stability issues */ t = arswitch_readreg(sc->sc_dev, AR8327_REG_EEE_CTRL); t |= AR8327_EEE_CTRL_DISABLE_PHY(0) | AR8327_EEE_CTRL_DISABLE_PHY(1) | AR8327_EEE_CTRL_DISABLE_PHY(2) | AR8327_EEE_CTRL_DISABLE_PHY(3) | AR8327_EEE_CTRL_DISABLE_PHY(4); arswitch_writereg(sc->sc_dev, AR8327_REG_EEE_CTRL, t); /* Set the right number of ports */ /* GMAC0 (CPU), GMAC1..5 (PHYs), GMAC6 (CPU) */ sc->info.es_nports = 7; return (0); } /* * Port setup. Called at attach time. */ static void ar8327_port_init(struct arswitch_softc *sc, int port) { uint32_t t; int ports; /* For now, port can see all other ports */ ports = 0x7f; if (port == AR8X16_PORT_CPU) t = sc->ar8327.port0_status; else if (port == 6) t = sc->ar8327.port6_status; else t = AR8X16_PORT_STS_LINK_AUTO; arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_STATUS(port), t); arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_HEADER(port), 0); /* * Default to 1 port group. */ t = 1 << AR8327_PORT_VLAN0_DEF_SVID_S; t |= 1 << AR8327_PORT_VLAN0_DEF_CVID_S; arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_VLAN0(port), t); t = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH << AR8327_PORT_VLAN1_OUT_MODE_S; arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_VLAN1(port), t); /* * This doesn't configure any ports which this port can "see". * bits 0-6 control which ports a frame coming into this port * can be sent out to. * * So by doing this, we're making it impossible to send frames out * to that port. */ t = AR8327_PORT_LOOKUP_LEARN; t |= AR8X16_PORT_CTRL_STATE_FORWARD << AR8327_PORT_LOOKUP_STATE_S; /* So this allows traffic to any port except ourselves */ t |= (ports & ~(1 << port)); arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_LOOKUP(port), t); } static int ar8327_port_vlan_setup(struct arswitch_softc *sc, etherswitch_port_t *p) { /* Check: ADDTAG/STRIPTAG - exclusive */ ARSWITCH_LOCK(sc); /* Set the PVID. */ if (p->es_pvid != 0) sc->hal.arswitch_vlan_set_pvid(sc, p->es_port, p->es_pvid); /* * DOUBLE_TAG * VLAN_MODE_ADD * VLAN_MODE_STRIP */ ARSWITCH_UNLOCK(sc); return (0); } /* * Get the port VLAN configuration. */ static int ar8327_port_vlan_get(struct arswitch_softc *sc, etherswitch_port_t *p) { ARSWITCH_LOCK(sc); /* Retrieve the PVID */ sc->hal.arswitch_vlan_get_pvid(sc, p->es_port, &p->es_pvid); /* Retrieve the current port configuration from the VTU */ /* * DOUBLE_TAG * VLAN_MODE_ADD * VLAN_MODE_STRIP */ ARSWITCH_UNLOCK(sc); return (0); } static void ar8327_port_disable_mirror(struct arswitch_softc *sc, int port) { arswitch_modifyreg(sc->sc_dev, AR8327_REG_PORT_LOOKUP(port), AR8327_PORT_LOOKUP_ING_MIRROR_EN, 0); arswitch_modifyreg(sc->sc_dev, AR8327_REG_PORT_HOL_CTRL1(port), AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN, 0); } static void ar8327_reset_vlans(struct arswitch_softc *sc) { int i; uint32_t t; int ports; ARSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED); ARSWITCH_LOCK(sc); /* Clear the existing VLAN configuration */ memset(sc->vid, 0, sizeof(sc->vid)); /* * Disable mirroring. */ arswitch_modifyreg(sc->sc_dev, AR8327_REG_FWD_CTRL0, AR8327_FWD_CTRL0_MIRROR_PORT, (0xF << AR8327_FWD_CTRL0_MIRROR_PORT_S)); /* * XXX TODO: disable any Q-in-Q port configuration, * tagging, egress filters, etc. */ /* * For now, let's default to one portgroup, just so traffic * flows. All ports can see other ports. There are two CPU GMACs * (GMAC0, GMAC6), GMAC1..GMAC5 are external PHYs. * * (ETHERSWITCH_VLAN_PORT) */ ports = 0x7f; /* * XXX TODO: set things up correctly for vlans! */ for (i = 0; i < AR8327_NUM_PORTS; i++) { int egress, ingress; if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) { sc->vid[i] = i | ETHERSWITCH_VID_VALID; /* set egress == out_keep */ ingress = AR8X16_PORT_VLAN_MODE_PORT_ONLY; /* in_port_only, forward */ egress = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH; } else if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) { ingress = AR8X16_PORT_VLAN_MODE_SECURE; egress = AR8327_PORT_VLAN1_OUT_MODE_UNMOD; } else { /* set egress == out_keep */ ingress = AR8X16_PORT_VLAN_MODE_PORT_ONLY; /* in_port_only, forward */ egress = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH; } /* set pvid = 1; there's only one vlangroup to start with */ t = 1 << AR8327_PORT_VLAN0_DEF_SVID_S; t |= 1 << AR8327_PORT_VLAN0_DEF_CVID_S; arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_VLAN0(i), t); t = AR8327_PORT_VLAN1_PORT_VLAN_PROP; t |= egress << AR8327_PORT_VLAN1_OUT_MODE_S; arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_VLAN1(i), t); /* Ports can see other ports */ /* XXX not entirely true for dot1q? */ t = (ports & ~(1 << i)); /* all ports besides us */ t |= AR8327_PORT_LOOKUP_LEARN; t |= ingress << AR8327_PORT_LOOKUP_IN_MODE_S; t |= AR8X16_PORT_CTRL_STATE_FORWARD << AR8327_PORT_LOOKUP_STATE_S; arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_LOOKUP(i), t); } /* * Disable port mirroring entirely. */ for (i = 0; i < AR8327_NUM_PORTS; i++) { ar8327_port_disable_mirror(sc, i); } /* * If dot1q - set pvid; dot1q, etc. */ if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) { sc->vid[0] = 1; for (i = 0; i < AR8327_NUM_PORTS; i++) { /* Each port - pvid 1 */ sc->hal.arswitch_vlan_set_pvid(sc, i, sc->vid[0]); } /* Initialise vlan1 - all ports, untagged */ sc->hal.arswitch_set_dot1q_vlan(sc, ports, ports, sc->vid[0]); sc->vid[0] |= ETHERSWITCH_VID_VALID; } ARSWITCH_UNLOCK(sc); } static int ar8327_vlan_get_port(struct arswitch_softc *sc, uint32_t *ports, int vid) { int port; uint32_t reg; ARSWITCH_LOCK_ASSERT(sc, MA_OWNED); /* For port based vlans the vlanid is the same as the port index. */ port = vid & ETHERSWITCH_VID_MASK; reg = arswitch_readreg(sc->sc_dev, AR8327_REG_PORT_LOOKUP(port)); *ports = reg & 0x7f; return (0); } static int ar8327_vlan_set_port(struct arswitch_softc *sc, uint32_t ports, int vid) { int err, port; ARSWITCH_LOCK_ASSERT(sc, MA_OWNED); /* For port based vlans the vlanid is the same as the port index. */ port = vid & ETHERSWITCH_VID_MASK; err = arswitch_modifyreg(sc->sc_dev, AR8327_REG_PORT_LOOKUP(port), 0x7f, /* vlan membership mask */ (ports & 0x7f)); if (err) return (err); return (0); } static int ar8327_vlan_getvgroup(struct arswitch_softc *sc, etherswitch_vlangroup_t *vg) { return (ar8xxx_getvgroup(sc, vg)); } static int ar8327_vlan_setvgroup(struct arswitch_softc *sc, etherswitch_vlangroup_t *vg) { return (ar8xxx_setvgroup(sc, vg)); } static int ar8327_get_pvid(struct arswitch_softc *sc, int port, int *pvid) { uint32_t reg; ARSWITCH_LOCK_ASSERT(sc, MA_OWNED); /* * XXX for now, assuming it's CVID; likely very wrong! */ port = port & ETHERSWITCH_VID_MASK; reg = arswitch_readreg(sc->sc_dev, AR8327_REG_PORT_VLAN0(port)); reg = reg >> AR8327_PORT_VLAN0_DEF_CVID_S; reg = reg & 0xfff; *pvid = reg; return (0); } static int ar8327_set_pvid(struct arswitch_softc *sc, int port, int pvid) { uint32_t t; /* Limit pvid to valid values */ pvid &= 0x7f; t = pvid << AR8327_PORT_VLAN0_DEF_SVID_S; t |= pvid << AR8327_PORT_VLAN0_DEF_CVID_S; arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_VLAN0(port), t); return (0); } static int ar8327_atu_flush(struct arswitch_softc *sc) { int ret; ret = arswitch_waitreg(sc->sc_dev, AR8327_REG_ATU_FUNC, AR8327_ATU_FUNC_BUSY, 0, 1000); if (ret) device_printf(sc->sc_dev, "%s: waitreg failed\n", __func__); if (!ret) arswitch_writereg(sc->sc_dev, AR8327_REG_ATU_FUNC, AR8327_ATU_FUNC_OP_FLUSH); return (ret); } static int ar8327_flush_dot1q_vlan(struct arswitch_softc *sc) { return (ar8327_vlan_op(sc, AR8327_VTU_FUNC1_OP_FLUSH, 0, 0)); } static int ar8327_purge_dot1q_vlan(struct arswitch_softc *sc, int vid) { return (ar8327_vlan_op(sc, AR8327_VTU_FUNC1_OP_PURGE, vid, 0)); } static int ar8327_get_dot1q_vlan(struct arswitch_softc *sc, uint32_t *ports, uint32_t *untagged_ports, int vid) { int i, r; uint32_t op, reg, val; op = AR8327_VTU_FUNC1_OP_GET_ONE; /* Filter out the vid flags; only grab the VLAN ID */ vid &= 0xfff; /* XXX TODO: the VTU here stores egress mode - keep, tag, untagged, none */ r = ar8327_vlan_op(sc, op, vid, 0); if (r != 0) { device_printf(sc->sc_dev, "%s: %d: op failed\n", __func__, vid); } reg = arswitch_readreg(sc->sc_dev, AR8327_REG_VTU_FUNC0); DPRINTF(sc->sc_dev, "%s: %d: reg=0x%08x\n", __func__, vid, reg); /* * If any of the bits are set, update the port mask. * Worry about the port config itself when getport() is called. */ *ports = 0; for (i = 0; i < AR8327_NUM_PORTS; i++) { val = reg >> AR8327_VTU_FUNC0_EG_MODE_S(i); val = val & 0x3; /* XXX KEEP (unmodified?) */ if (val == AR8327_VTU_FUNC0_EG_MODE_TAG) { *ports |= (1 << i); } else if (val == AR8327_VTU_FUNC0_EG_MODE_UNTAG) { *ports |= (1 << i); *untagged_ports |= (1 << i); } } return (0); } static int ar8327_set_dot1q_vlan(struct arswitch_softc *sc, uint32_t ports, uint32_t untagged_ports, int vid) { int i; uint32_t op, val, mode; op = AR8327_VTU_FUNC1_OP_LOAD; vid &= 0xfff; DPRINTF(sc->sc_dev, "%s: vid: %d, ports=0x%08x, untagged_ports=0x%08x\n", __func__, vid, ports, untagged_ports); /* * Mark it as valid; and that it should use per-VLAN MAC table, * not VID=0 when doing MAC lookups */ val = AR8327_VTU_FUNC0_VALID | AR8327_VTU_FUNC0_IVL; for (i = 0; i < AR8327_NUM_PORTS; i++) { if ((ports & BIT(i)) == 0) mode = AR8327_VTU_FUNC0_EG_MODE_NOT; else if (untagged_ports & BIT(i)) mode = AR8327_VTU_FUNC0_EG_MODE_UNTAG; else mode = AR8327_VTU_FUNC0_EG_MODE_TAG; val |= mode << AR8327_VTU_FUNC0_EG_MODE_S(i); } return (ar8327_vlan_op(sc, op, vid, val)); } void ar8327_attach(struct arswitch_softc *sc) { sc->hal.arswitch_hw_setup = ar8327_hw_setup; sc->hal.arswitch_hw_global_setup = ar8327_hw_global_setup; sc->hal.arswitch_port_init = ar8327_port_init; sc->hal.arswitch_vlan_getvgroup = ar8327_vlan_getvgroup; sc->hal.arswitch_vlan_setvgroup = ar8327_vlan_setvgroup; sc->hal.arswitch_port_vlan_setup = ar8327_port_vlan_setup; sc->hal.arswitch_port_vlan_get = ar8327_port_vlan_get; sc->hal.arswitch_flush_dot1q_vlan = ar8327_flush_dot1q_vlan; sc->hal.arswitch_purge_dot1q_vlan = ar8327_purge_dot1q_vlan; sc->hal.arswitch_set_dot1q_vlan = ar8327_set_dot1q_vlan; sc->hal.arswitch_get_dot1q_vlan = ar8327_get_dot1q_vlan; sc->hal.arswitch_vlan_init_hw = ar8327_reset_vlans; sc->hal.arswitch_vlan_get_pvid = ar8327_get_pvid; sc->hal.arswitch_vlan_set_pvid = ar8327_set_pvid; sc->hal.arswitch_get_port_vlan = ar8327_vlan_get_port; sc->hal.arswitch_set_port_vlan = ar8327_vlan_set_port; sc->hal.arswitch_atu_flush = ar8327_atu_flush; /* * Reading the PHY via the MDIO interface currently doesn't * work correctly. * * So for now, just go direct to the PHY registers themselves. * This has always worked on external devices, but not internal * devices (AR934x, AR724x, AR933x.) */ sc->hal.arswitch_phy_read = arswitch_readphy_external; sc->hal.arswitch_phy_write = arswitch_writephy_external; /* Set the switch vlan capabilities. */ sc->info.es_vlan_caps = ETHERSWITCH_VLAN_DOT1Q | ETHERSWITCH_VLAN_PORT | ETHERSWITCH_VLAN_DOUBLE_TAG; sc->info.es_nvlangroups = AR8X16_MAX_VLANS; }