X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/28857571f73edea8d4bc54a995e6a4a399bef3c3..5ba8709ee978e8a8c70e42f362a4934122a406ab:/target/linux/generic/files/drivers/net/phy/ar8216.c?ds=inline diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c index e883651c6..7214fa232 100644 --- a/target/linux/generic/files/drivers/net/phy/ar8216.c +++ b/target/linux/generic/files/drivers/net/phy/ar8216.c @@ -2,6 +2,7 @@ * ar8216.c: AR8216 switch driver * * Copyright (C) 2009 Felix Fietkau + * Copyright (C) 2011-2012 Gabor Juhos * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -30,11 +31,13 @@ #include #include #include +#include #include "ar8216.h" /* size of the vlan table */ #define AR8X16_MAX_VLANS 128 #define AR8X16_PROBE_RETRIES 10 +#define AR8X16_MAX_PORTS 8 struct ar8216_priv; @@ -69,13 +72,14 @@ struct ar8216_priv { char buf[80]; bool init; + bool mii_lo_first; /* all fields below are cleared on reset */ bool vlan; u16 vlan_id[AR8X16_MAX_VLANS]; u8 vlan_table[AR8X16_MAX_VLANS]; u8 vlan_tagged; - u16 pvid[AR8216_NUM_PORTS]; + u16 pvid[AR8X16_MAX_PORTS]; }; #define to_ar8216(_dev) container_of(_dev, struct ar8216_priv, dev) @@ -136,8 +140,13 @@ ar8216_mii_write(struct ar8216_priv *priv, int reg, u32 val) bus->write(bus, 0x18, 0, r3); usleep_range(1000, 2000); /* wait for the page switch to propagate */ - bus->write(bus, 0x10 | r2, r1 + 1, hi); - bus->write(bus, 0x10 | r2, r1, lo); + if (priv->mii_lo_first) { + bus->write(bus, 0x10 | r2, r1, lo); + bus->write(bus, 0x10 | r2, r1 + 1, hi); + } else { + bus->write(bus, 0x10 | r2, r1 + 1, hi); + bus->write(bus, 0x10 | r2, r1, lo); + } mutex_unlock(&bus->mdio_lock); } @@ -404,6 +413,59 @@ ar8216_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, (pvid << AR8216_PORT_VLAN_DEFAULT_ID_S)); } +static int +ar8216_hw_init(struct ar8216_priv *priv) +{ + return 0; +} + +static void +ar8216_init_globals(struct ar8216_priv *priv) +{ + /* standard atheros magic */ + priv->write(priv, 0x38, 0xc000050e); + + ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL, + AR8216_GCTRL_MTU, 1518 + 8 + 2); +} + +static void +ar8216_init_port(struct ar8216_priv *priv, int port) +{ + /* Enable port learning and tx */ + priv->write(priv, AR8216_REG_PORT_CTRL(port), + AR8216_PORT_CTRL_LEARN | + (4 << AR8216_PORT_CTRL_STATE_S)); + + priv->write(priv, AR8216_REG_PORT_VLAN(port), 0); + + if (port == AR8216_PORT_CPU) { + priv->write(priv, AR8216_REG_PORT_STATUS(port), + AR8216_PORT_STATUS_LINK_UP | + (ar8xxx_has_gige(priv) ? + AR8216_PORT_SPEED_1000M : AR8216_PORT_SPEED_100M) | + AR8216_PORT_STATUS_TXMAC | + AR8216_PORT_STATUS_RXMAC | + ((priv->chip_type == AR8316) ? AR8216_PORT_STATUS_RXFLOW : 0) | + ((priv->chip_type == AR8316) ? AR8216_PORT_STATUS_TXFLOW : 0) | + AR8216_PORT_STATUS_DUPLEX); + } else { + priv->write(priv, AR8216_REG_PORT_STATUS(port), + AR8216_PORT_STATUS_LINK_AUTO); + } +} + +static const struct ar8xxx_chip ar8216_chip = { + .hw_init = ar8216_hw_init, + .init_globals = ar8216_init_globals, + .init_port = ar8216_init_port, + .setup_port = ar8216_setup_port, + .read_port_status = ar8216_read_port_status, + .atu_flush = ar8216_atu_flush, + .vtu_flush = ar8216_vtu_flush, + .vtu_load_vlan = ar8216_vtu_load_vlan, +}; + static void ar8236_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, u32 members, u32 pvid) @@ -427,12 +489,6 @@ ar8236_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, (members << AR8236_PORT_VLAN2_MEMBER_S)); } -static int -ar8216_hw_init(struct ar8216_priv *priv) -{ - return 0; -} - static int ar8236_hw_init(struct ar8216_priv *priv) { @@ -456,6 +512,25 @@ ar8236_hw_init(struct ar8216_priv *priv) return 0; } +static void +ar8236_init_globals(struct ar8216_priv *priv) +{ + /* enable jumbo frames */ + ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL, + AR8316_GCTRL_MTU, 9018 + 8 + 2); +} + +static const struct ar8xxx_chip ar8236_chip = { + .hw_init = ar8236_hw_init, + .init_globals = ar8236_init_globals, + .init_port = ar8216_init_port, + .setup_port = ar8236_setup_port, + .read_port_status = ar8216_read_port_status, + .atu_flush = ar8216_atu_flush, + .vtu_flush = ar8216_vtu_flush, + .vtu_load_vlan = ar8216_vtu_load_vlan, +}; + static int ar8316_hw_init(struct ar8216_priv *priv) { @@ -517,95 +592,332 @@ out: } static void -ar8216_init_globals(struct ar8216_priv *priv) +ar8316_init_globals(struct ar8216_priv *priv) { /* standard atheros magic */ priv->write(priv, 0x38, 0xc000050e); - ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL, - AR8216_GCTRL_MTU, 1518 + 8 + 2); -} + /* enable cpu port to receive multicast and broadcast frames */ + priv->write(priv, AR8216_REG_FLOOD_MASK, 0x003f003f); -static void -ar8236_init_globals(struct ar8216_priv *priv) -{ /* enable jumbo frames */ ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL, AR8316_GCTRL_MTU, 9018 + 8 + 2); } +static const struct ar8xxx_chip ar8316_chip = { + .caps = AR8XXX_CAP_GIGE, + .hw_init = ar8316_hw_init, + .init_globals = ar8316_init_globals, + .init_port = ar8216_init_port, + .setup_port = ar8216_setup_port, + .read_port_status = ar8216_read_port_status, + .atu_flush = ar8216_atu_flush, + .vtu_flush = ar8216_vtu_flush, + .vtu_load_vlan = ar8216_vtu_load_vlan, +}; + +static u32 +ar8327_get_pad_cfg(struct ar8327_pad_cfg *cfg) +{ + u32 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; + 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; +} + +static int +ar8327_hw_init(struct ar8216_priv *priv) +{ + struct ar8327_platform_data *pdata; + u32 t; + int i; + + pdata = priv->phy->dev.platform_data; + if (!pdata) + return -EINVAL; + + t = ar8327_get_pad_cfg(pdata->pad0_cfg); + priv->write(priv, AR8327_REG_PAD0_MODE, t); + t = ar8327_get_pad_cfg(pdata->pad5_cfg); + priv->write(priv, AR8327_REG_PAD5_MODE, t); + t = ar8327_get_pad_cfg(pdata->pad6_cfg); + priv->write(priv, AR8327_REG_PAD6_MODE, t); + + priv->write(priv, AR8327_REG_POWER_ON_STRIP, 0x40000000); + + /* fixup PHYs */ + for (i = 0; i < AR8327_NUM_PHYS; i++) { + /* For 100M waveform */ + ar8216_phy_dbg_write(priv, i, 0, 0x02ea); + + /* Turn on Gigabit clock */ + ar8216_phy_dbg_write(priv, i, 0x3d, 0x68a0); + } + + return 0; +} + static void -ar8316_init_globals(struct ar8216_priv *priv) +ar8327_init_globals(struct ar8216_priv *priv) { - /* standard atheros magic */ - priv->write(priv, 0x38, 0xc000050e); + u32 t; - /* enable cpu port to receive multicast and broadcast frames */ - priv->write(priv, AR8216_REG_FLOOD_MASK, 0x003f003f); + /* enable CPU port and disable mirror port */ + t = AR8327_FWD_CTRL0_CPU_PORT_EN | + AR8327_FWD_CTRL0_MIRROR_PORT; + priv->write(priv, AR8327_REG_FWD_CTRL0, t); - /* enable jumbo frames */ - ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL, - AR8316_GCTRL_MTU, 9018 + 8 + 2); + /* forward multicast and broadcast frames to CPU */ + t = (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_UC_FLOOD_S) | + (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_BC_FLOOD_S); + priv->write(priv, AR8327_REG_FWD_CTRL1, t); + + /* setup MTU */ + ar8216_rmw(priv, AR8327_REG_MAX_FRAME_SIZE, + AR8327_MAX_FRAME_SIZE_MTU, 1518 + 8 + 2); } static void -ar8216_init_port(struct ar8216_priv *priv, int port) +ar8327_init_cpuport(struct ar8216_priv *priv) { - /* Enable port learning and tx */ - priv->write(priv, AR8216_REG_PORT_CTRL(port), - AR8216_PORT_CTRL_LEARN | - (4 << AR8216_PORT_CTRL_STATE_S)); + struct ar8327_platform_data *pdata; + struct ar8327_port_cfg *cfg; + u32 t; - priv->write(priv, AR8216_REG_PORT_VLAN(port), 0); + pdata = priv->phy->dev.platform_data; + if (!pdata) + return; + + cfg = &pdata->cpuport_cfg; + if (!cfg->force_link) { + priv->write(priv, AR8327_REG_PORT_STATUS(AR8216_PORT_CPU), + AR8216_PORT_STATUS_LINK_AUTO); + return; + } + + t = AR8216_PORT_STATUS_TXMAC | AR8216_PORT_STATUS_RXMAC; + t |= cfg->duplex ? AR8216_PORT_STATUS_DUPLEX : 0; + t |= cfg->rxpause ? AR8216_PORT_STATUS_RXFLOW : 0; + t |= cfg->txpause ? AR8216_PORT_STATUS_TXFLOW : 0; + switch (cfg->speed) { + case AR8327_PORT_SPEED_10: + t |= AR8216_PORT_SPEED_10M; + break; + case AR8327_PORT_SPEED_100: + t |= AR8216_PORT_SPEED_100M; + break; + case AR8327_PORT_SPEED_1000: + t |= AR8216_PORT_SPEED_1000M; + break; + } + + priv->write(priv, AR8327_REG_PORT_STATUS(AR8216_PORT_CPU), t); +} + +static void +ar8327_init_port(struct ar8216_priv *priv, int port) +{ + u32 t; if (port == AR8216_PORT_CPU) { - priv->write(priv, AR8216_REG_PORT_STATUS(port), - AR8216_PORT_STATUS_LINK_UP | - ar8xxx_has_gige(priv) ? AR8216_PORT_SPEED_1000M : - AR8216_PORT_SPEED_100M | - AR8216_PORT_STATUS_TXMAC | - AR8216_PORT_STATUS_RXMAC | - ((priv->chip_type == AR8316) ? AR8216_PORT_STATUS_RXFLOW : 0) | - ((priv->chip_type == AR8316) ? AR8216_PORT_STATUS_TXFLOW : 0) | - AR8216_PORT_STATUS_DUPLEX); + ar8327_init_cpuport(priv); } else { - priv->write(priv, AR8216_REG_PORT_STATUS(port), - AR8216_PORT_STATUS_LINK_AUTO); + t = AR8216_PORT_STATUS_LINK_AUTO; + priv->write(priv, AR8327_REG_PORT_STATUS(port), t); } + + priv->write(priv, AR8327_REG_PORT_HEADER(port), 0); + + priv->write(priv, AR8327_REG_PORT_VLAN0(port), 0); + + t = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH << AR8327_PORT_VLAN1_OUT_MODE_S; + priv->write(priv, AR8327_REG_PORT_VLAN1(port), t); + + t = AR8327_PORT_LOOKUP_LEARN; + t |= AR8216_PORT_STATE_FORWARD << AR8327_PORT_LOOKUP_STATE_S; + priv->write(priv, AR8327_REG_PORT_LOOKUP(port), t); } -static const struct ar8xxx_chip ar8216_chip = { - .hw_init = ar8216_hw_init, - .init_globals = ar8216_init_globals, - .init_port = ar8216_init_port, - .setup_port = ar8216_setup_port, - .read_port_status = ar8216_read_port_status, - .atu_flush = ar8216_atu_flush, - .vtu_flush = ar8216_vtu_flush, - .vtu_load_vlan = ar8216_vtu_load_vlan, -}; +static u32 +ar8327_read_port_status(struct ar8216_priv *priv, int port) +{ + return priv->read(priv, AR8327_REG_PORT_STATUS(port)); +} -static const struct ar8xxx_chip ar8236_chip = { - .hw_init = ar8236_hw_init, - .init_globals = ar8236_init_globals, - .init_port = ar8216_init_port, - .setup_port = ar8236_setup_port, - .read_port_status = ar8216_read_port_status, - .atu_flush = ar8216_atu_flush, - .vtu_flush = ar8216_vtu_flush, - .vtu_load_vlan = ar8216_vtu_load_vlan, -}; +static int +ar8327_atu_flush(struct ar8216_priv *priv) +{ + int ret; -static const struct ar8xxx_chip ar8316_chip = { + ret = ar8216_wait_bit(priv, AR8327_REG_ATU_FUNC, + AR8327_ATU_FUNC_BUSY, 0); + if (!ret) + priv->write(priv, AR8327_REG_ATU_FUNC, + AR8327_ATU_FUNC_OP_FLUSH); + + return ret; +} + +static void +ar8327_vtu_op(struct ar8216_priv *priv, u32 op, u32 val) +{ + if (ar8216_wait_bit(priv, AR8327_REG_VTU_FUNC1, + AR8327_VTU_FUNC1_BUSY, 0)) + return; + + if ((op & AR8327_VTU_FUNC1_OP) == AR8327_VTU_FUNC1_OP_LOAD) + priv->write(priv, AR8327_REG_VTU_FUNC0, val); + + op |= AR8327_VTU_FUNC1_BUSY; + priv->write(priv, AR8327_REG_VTU_FUNC1, op); +} + +static void +ar8327_vtu_flush(struct ar8216_priv *priv) +{ + ar8327_vtu_op(priv, AR8327_VTU_FUNC1_OP_FLUSH, 0); +} + +static void +ar8327_vtu_load_vlan(struct ar8216_priv *priv, u32 vid, u32 port_mask) +{ + u32 op; + u32 val; + int i; + + op = AR8327_VTU_FUNC1_OP_LOAD | (vid << AR8327_VTU_FUNC1_VID_S); + val = AR8327_VTU_FUNC0_VALID | AR8327_VTU_FUNC0_IVL; + for (i = 0; i < AR8327_NUM_PORTS; i++) { + u32 mode; + + if ((port_mask & BIT(i)) == 0) + mode = AR8327_VTU_FUNC0_EG_MODE_NOT; + else if (priv->vlan == 0) + mode = AR8327_VTU_FUNC0_EG_MODE_KEEP; + else if (priv->vlan_tagged & BIT(i)) + mode = AR8327_VTU_FUNC0_EG_MODE_TAG; + else + mode = AR8327_VTU_FUNC0_EG_MODE_UNTAG; + + val |= mode << AR8327_VTU_FUNC0_EG_MODE_S(i); + } + ar8327_vtu_op(priv, op, val); +} + +static void +ar8327_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress, + u32 members, u32 pvid) +{ + u32 t; + u32 mode; + + t = pvid << AR8327_PORT_VLAN0_DEF_SVID_S; + t |= pvid << AR8327_PORT_VLAN0_DEF_CVID_S; + priv->write(priv, AR8327_REG_PORT_VLAN0(port), t); + + mode = AR8327_PORT_VLAN1_OUT_MODE_UNMOD; + switch (egress) { + case AR8216_OUT_KEEP: + mode = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH; + break; + case AR8216_OUT_STRIP_VLAN: + mode = AR8327_PORT_VLAN1_OUT_MODE_UNTAG; + break; + case AR8216_OUT_ADD_VLAN: + mode = AR8327_PORT_VLAN1_OUT_MODE_TAG; + break; + } + + t = AR8327_PORT_VLAN1_PORT_VLAN_PROP; + t |= mode << AR8327_PORT_VLAN1_OUT_MODE_S; + priv->write(priv, AR8327_REG_PORT_VLAN1(port), t); + + t = members; + t |= AR8327_PORT_LOOKUP_LEARN; + t |= ingress << AR8327_PORT_LOOKUP_IN_MODE_S; + t |= AR8216_PORT_STATE_FORWARD << AR8327_PORT_LOOKUP_STATE_S; + priv->write(priv, AR8327_REG_PORT_LOOKUP(port), t); +} + +static const struct ar8xxx_chip ar8327_chip = { .caps = AR8XXX_CAP_GIGE, - .hw_init = ar8316_hw_init, - .init_globals = ar8316_init_globals, - .init_port = ar8216_init_port, - .setup_port = ar8216_setup_port, - .read_port_status = ar8216_read_port_status, - .atu_flush = ar8216_atu_flush, - .vtu_flush = ar8216_vtu_flush, - .vtu_load_vlan = ar8216_vtu_load_vlan, + .hw_init = ar8327_hw_init, + .init_globals = ar8327_init_globals, + .init_port = ar8327_init_port, + .setup_port = ar8327_setup_port, + .read_port_status = ar8327_read_port_status, + .atu_flush = ar8327_atu_flush, + .vtu_flush = ar8327_vtu_flush, + .vtu_load_vlan = ar8327_vtu_load_vlan, }; static int @@ -736,7 +1048,7 @@ static int ar8216_sw_hw_apply(struct switch_dev *dev) { struct ar8216_priv *priv = to_ar8216(dev); - u8 portmask[AR8216_NUM_PORTS]; + u8 portmask[AR8X16_MAX_PORTS]; int i, j; mutex_lock(&priv->reg_mutex); @@ -909,6 +1221,11 @@ ar8216_id_chip(struct ar8216_priv *priv) priv->chip_type = AR8316; priv->chip = &ar8316_chip; break; + case 0x1202: + priv->chip_type = AR8327; + priv->mii_lo_first = true; + priv->chip = &ar8327_chip; + break; default: printk(KERN_DEBUG "ar8216: Unknown Atheros device [ver=%d, rev=%d, phy_id=%04x%04x]\n", @@ -1011,6 +1328,10 @@ ar8216_config_init(struct phy_device *pdev) swdev->name = "Atheros AR8236"; swdev->vlans = AR8216_NUM_VLANS; swdev->ports = AR8216_NUM_PORTS; + } else if (priv->chip_type == AR8327) { + swdev->name = "Atheros AR8327"; + swdev->vlans = AR8X16_MAX_VLANS; + swdev->ports = AR8327_NUM_PORTS; } else { swdev->name = "Atheros AR8216"; swdev->vlans = AR8216_NUM_VLANS;