diff options
Diffstat (limited to 'drivers/net/phy')
-rw-r--r-- | drivers/net/phy/Kconfig | 2 | ||||
-rw-r--r-- | drivers/net/phy/Makefile | 2 | ||||
-rw-r--r-- | drivers/net/phy/aquantia.c | 241 | ||||
-rw-r--r-- | drivers/net/phy/dp83867.c (renamed from drivers/net/phy/ti.c) | 243 | ||||
-rw-r--r-- | drivers/net/phy/micrel_ksz8xxx.c | 21 | ||||
-rw-r--r-- | drivers/net/phy/mv88e61xx.c | 226 | ||||
-rw-r--r-- | drivers/net/phy/phy.c | 6 |
7 files changed, 586 insertions, 155 deletions
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index bcea8a0c3e..dceea1516f 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -46,7 +46,7 @@ config B53_PHY_PORTS endif # B53_SWITCH config MV88E61XX_SWITCH - bool "Marvel MV88E61xx Ethernet switch PHY support." + bool "Marvell MV88E61xx Ethernet switch PHY support." if MV88E61XX_SWITCH diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index 76b6197009..78955c57a8 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -25,7 +25,7 @@ obj-$(CONFIG_PHY_NATSEMI) += natsemi.o obj-$(CONFIG_PHY_REALTEK) += realtek.o obj-$(CONFIG_PHY_SMSC) += smsc.o obj-$(CONFIG_PHY_TERANETICS) += teranetics.o -obj-$(CONFIG_PHY_TI) += ti.o +obj-$(CONFIG_PHY_TI) += dp83867.o obj-$(CONFIG_PHY_XILINX) += xilinx_phy.o obj-$(CONFIG_PHY_XILINX_GMII2RGMII) += xilinx_gmii2rgmii.o obj-$(CONFIG_PHY_VITESSE) += vitesse.o diff --git a/drivers/net/phy/aquantia.c b/drivers/net/phy/aquantia.c index 465ec2d342..c4bd443001 100644 --- a/drivers/net/phy/aquantia.c +++ b/drivers/net/phy/aquantia.c @@ -21,6 +21,7 @@ #define AQUNTIA_SPEED_MSB_MASK 0x40 #define AQUANTIA_SYSTEM_INTERFACE_SR 0xe812 +#define AQUANTIA_SYSTEM_INTERFACE_SR_READY BIT(0) #define AQUANTIA_VENDOR_PROVISIONING_REG 0xC441 #define AQUANTIA_FIRMWARE_ID 0x20 #define AQUANTIA_RESERVED_STATUS 0xc885 @@ -33,10 +34,16 @@ #define AQUANTIA_SI_USXGMII 0x0018 /* registers in MDIO_MMD_VEND1 region */ +#define AQUANTIA_VND1_GLOBAL_SC 0x000 +#define AQUANTIA_VND1_GLOBAL_SC_LP BIT(0xb) + #define GLOBAL_FIRMWARE_ID 0x20 #define GLOBAL_FAULT 0xc850 #define GLOBAL_RSTATUS_1 0xc885 +#define GLOBAL_ALARM_1 0xcc00 +#define SYSTEM_READY_BIT 0x40 + #define GLOBAL_STANDARD_CONTROL 0x0 #define SOFT_RESET BIT(15) #define LOW_POWER BIT(11) @@ -60,6 +67,36 @@ #define UP_RUN_STALL_OVERRIDE BIT(6) #define UP_RUN_STALL BIT(0) +#define AQUANTIA_PMA_RX_VENDOR_P1 0xe400 +#define AQUANTIA_PMA_RX_VENDOR_P1_MDI_MSK GENMASK(1, 0) +/* MDI reversal configured through registers */ +#define AQUANTIA_PMA_RX_VENDOR_P1_MDI_CFG BIT(1) +/* MDI reversal enabled */ +#define AQUANTIA_PMA_RX_VENDOR_P1_MDI_REV BIT(0) + +/* + * global start rate, the protocol associated with this speed is used by default + * on SI. + */ +#define AQUANTIA_VND1_GSTART_RATE 0x31a +#define AQUANTIA_VND1_GSTART_RATE_OFF 0 +#define AQUANTIA_VND1_GSTART_RATE_100M 1 +#define AQUANTIA_VND1_GSTART_RATE_1G 2 +#define AQUANTIA_VND1_GSTART_RATE_10G 3 +#define AQUANTIA_VND1_GSTART_RATE_2_5G 4 +#define AQUANTIA_VND1_GSTART_RATE_5G 5 + +/* SYSCFG registers for 100M, 1G, 2.5G, 5G, 10G */ +#define AQUANTIA_VND1_GSYSCFG_BASE 0x31b +#define AQUANTIA_VND1_GSYSCFG_100M 0 +#define AQUANTIA_VND1_GSYSCFG_1G 1 +#define AQUANTIA_VND1_GSYSCFG_2_5G 2 +#define AQUANTIA_VND1_GSYSCFG_5G 3 +#define AQUANTIA_VND1_GSYSCFG_10G 4 + +#define AQUANTIA_VND1_SMBUS0 0xc485 +#define AQUANTIA_VND1_SMBUS1 0xc495 + /* addresses of memory segments in the phy */ #define DRAM_BASE_ADDR 0x3FFE0000 #define IRAM_BASE_ADDR 0x40000000 @@ -69,6 +106,12 @@ #define VERSION_STRING_OFFSET 0x0200 #define HEADER_OFFSET 0x300 +/* driver private data */ +#define AQUANTIA_NA 0 +#define AQUANTIA_GEN1 1 +#define AQUANTIA_GEN2 2 +#define AQUANTIA_GEN3 3 + #pragma pack(1) struct fw_header { u8 padding[4]; @@ -254,10 +297,128 @@ static int aquantia_upload_firmware(struct phy_device *phydev) } #endif +struct { + u16 syscfg; + int cnt; + u16 start_rate; +} aquantia_syscfg[PHY_INTERFACE_MODE_COUNT] = { + [PHY_INTERFACE_MODE_SGMII] = {0x04b, AQUANTIA_VND1_GSYSCFG_1G, + AQUANTIA_VND1_GSTART_RATE_1G}, + [PHY_INTERFACE_MODE_SGMII_2500] = {0x144, AQUANTIA_VND1_GSYSCFG_2_5G, + AQUANTIA_VND1_GSTART_RATE_2_5G}, + [PHY_INTERFACE_MODE_XGMII] = {0x100, AQUANTIA_VND1_GSYSCFG_10G, + AQUANTIA_VND1_GSTART_RATE_10G}, + [PHY_INTERFACE_MODE_XFI] = {0x100, AQUANTIA_VND1_GSYSCFG_10G, + AQUANTIA_VND1_GSTART_RATE_10G}, + [PHY_INTERFACE_MODE_USXGMII] = {0x080, AQUANTIA_VND1_GSYSCFG_10G, + AQUANTIA_VND1_GSTART_RATE_10G}, +}; + +static int aquantia_set_proto(struct phy_device *phydev) +{ + int i; + + if (!aquantia_syscfg[phydev->interface].cnt) + return 0; + + /* set the default rate to enable the SI link */ + phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_GSTART_RATE, + aquantia_syscfg[phydev->interface].start_rate); + + /* set selected protocol for all relevant line side link speeds */ + for (i = 0; i <= aquantia_syscfg[phydev->interface].cnt; i++) + phy_write(phydev, MDIO_MMD_VEND1, + AQUANTIA_VND1_GSYSCFG_BASE + i, + aquantia_syscfg[phydev->interface].syscfg); + return 0; +} + +static int aquantia_dts_config(struct phy_device *phydev) +{ +#ifdef CONFIG_DM_ETH + ofnode node = phydev->node; + u32 prop; + u16 reg; + + /* this code only works on gen2 and gen3 PHYs */ + if (phydev->drv->data != AQUANTIA_GEN2 && + phydev->drv->data != AQUANTIA_GEN3) + return -ENOTSUPP; + + if (!ofnode_valid(node)) + return 0; + + if (!ofnode_read_u32(node, "mdi-reversal", &prop)) { + debug("mdi-reversal = %d\n", (int)prop); + reg = phy_read(phydev, MDIO_MMD_PMAPMD, + AQUANTIA_PMA_RX_VENDOR_P1); + reg &= ~AQUANTIA_PMA_RX_VENDOR_P1_MDI_MSK; + reg |= AQUANTIA_PMA_RX_VENDOR_P1_MDI_CFG; + reg |= prop ? AQUANTIA_PMA_RX_VENDOR_P1_MDI_REV : 0; + phy_write(phydev, MDIO_MMD_PMAPMD, AQUANTIA_PMA_RX_VENDOR_P1, + reg); + } + if (!ofnode_read_u32(node, "smb-addr", &prop)) { + debug("smb-addr = %x\n", (int)prop); + /* + * there are two addresses here, normally just one bus would + * be in use so we're setting both regs using the same DT + * property. + */ + phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_SMBUS0, + (u16)(prop << 1)); + phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_SMBUS1, + (u16)(prop << 1)); + } + +#endif + return 0; +} + +static bool aquantia_link_is_up(struct phy_device *phydev) +{ + u16 reg, regmask; + int devad, regnum; + + /* + * On Gen 2 and 3 we have a bit that indicates that both system and + * line side are ready for data, use that if possible. + */ + if (phydev->drv->data == AQUANTIA_GEN2 || + phydev->drv->data == AQUANTIA_GEN3) { + devad = MDIO_MMD_PHYXS; + regnum = AQUANTIA_SYSTEM_INTERFACE_SR; + regmask = AQUANTIA_SYSTEM_INTERFACE_SR_READY; + } else { + devad = MDIO_MMD_AN; + regnum = MDIO_STAT1; + regmask = MDIO_AN_STAT1_COMPLETE; + } + /* the register should be latched, do a double read */ + phy_read(phydev, devad, regnum); + reg = phy_read(phydev, devad, regnum); + + return !!(reg & regmask); +} + int aquantia_config(struct phy_device *phydev) { + int interface = phydev->interface; u32 val, id, rstatus, fault; u32 reg_val1 = 0; + int num_retries = 5; + int usx_an = 0; + + /* + * check if the system is out of reset and init sequence completed. + * chip-wide reset for gen1 quad phys takes longer + */ + while (--num_retries) { + rstatus = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_ALARM_1); + if (rstatus & SYSTEM_READY_BIT) + break; + mdelay(10); + } id = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_FIRMWARE_ID); rstatus = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_RSTATUS_1); @@ -278,17 +439,57 @@ int aquantia_config(struct phy_device *phydev) if (ret != 0) return ret; } + /* + * for backward compatibility convert XGMII into either XFI or USX based + * on FW config + */ + if (interface == PHY_INTERFACE_MODE_XGMII) { + reg_val1 = phy_read(phydev, MDIO_MMD_PHYXS, + AQUANTIA_SYSTEM_INTERFACE_SR); + if ((reg_val1 & AQUANTIA_SI_IN_USE_MASK) == AQUANTIA_SI_USXGMII) + interface = PHY_INTERFACE_MODE_USXGMII; + else + interface = PHY_INTERFACE_MODE_XFI; + } + + /* + * if link is up already we can just use it, otherwise configure + * the protocols in the PHY. If link is down set the system + * interface protocol to use based on phydev->interface + */ + if (!aquantia_link_is_up(phydev) && + (phydev->drv->data == AQUANTIA_GEN2 || + phydev->drv->data == AQUANTIA_GEN3)) { + /* set PHY in low power mode so we can configure protocols */ + phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_GLOBAL_SC, + AQUANTIA_VND1_GLOBAL_SC_LP); + mdelay(10); + + /* configure protocol based on phydev->interface */ + aquantia_set_proto(phydev); + /* apply custom configuration based on DT */ + aquantia_dts_config(phydev); + + /* wake PHY back up */ + phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_GLOBAL_SC, 0); + mdelay(10); + } val = phy_read(phydev, MDIO_MMD_PMAPMD, MII_BMCR); - if (phydev->interface == PHY_INTERFACE_MODE_SGMII) { + switch (interface) { + case PHY_INTERFACE_MODE_SGMII: /* 1000BASE-T mode */ phydev->advertising = SUPPORTED_1000baseT_Full; phydev->supported = phydev->advertising; val = (val & ~AQUNTIA_SPEED_LSB_MASK) | AQUNTIA_SPEED_MSB_MASK; phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR, val); - } else if (phydev->interface == PHY_INTERFACE_MODE_XGMII) { + break; + case PHY_INTERFACE_MODE_USXGMII: + usx_an = 1; + /* FALLTHROUGH */ + case PHY_INTERFACE_MODE_XFI: /* 10GBASE-T mode */ phydev->advertising = SUPPORTED_10000baseT_Full; phydev->supported = phydev->advertising; @@ -299,40 +500,40 @@ int aquantia_config(struct phy_device *phydev) AQUNTIA_SPEED_LSB_MASK | AQUNTIA_SPEED_MSB_MASK); - val = phy_read(phydev, MDIO_MMD_PHYXS, - AQUANTIA_SYSTEM_INTERFACE_SR); /* If SI is USXGMII then start USXGMII autoneg */ - if ((val & AQUANTIA_SI_IN_USE_MASK) == AQUANTIA_SI_USXGMII) { - reg_val1 = phy_read(phydev, MDIO_MMD_PHYXS, - AQUANTIA_VENDOR_PROVISIONING_REG); + reg_val1 = phy_read(phydev, MDIO_MMD_PHYXS, + AQUANTIA_VENDOR_PROVISIONING_REG); + if (usx_an) { reg_val1 |= AQUANTIA_USX_AUTONEG_CONTROL_ENA; - - phy_write(phydev, MDIO_MMD_PHYXS, - AQUANTIA_VENDOR_PROVISIONING_REG, - reg_val1); printf("%s: system interface USXGMII\n", phydev->dev->name); } else { + reg_val1 &= ~AQUANTIA_USX_AUTONEG_CONTROL_ENA; printf("%s: system interface XFI\n", phydev->dev->name); } - } else if (phydev->interface == PHY_INTERFACE_MODE_SGMII_2500) { + phy_write(phydev, MDIO_MMD_PHYXS, + AQUANTIA_VENDOR_PROVISIONING_REG, reg_val1); + break; + case PHY_INTERFACE_MODE_SGMII_2500: /* 2.5GBASE-T mode */ phydev->advertising = SUPPORTED_1000baseT_Full; phydev->supported = phydev->advertising; phy_write(phydev, MDIO_MMD_AN, AQUNTIA_10G_CTL, 1); phy_write(phydev, MDIO_MMD_AN, AQUNTIA_VENDOR_P1, 0x9440); - } else if (phydev->interface == PHY_INTERFACE_MODE_MII) { + break; + case PHY_INTERFACE_MODE_MII: /* 100BASE-TX mode */ phydev->advertising = SUPPORTED_100baseT_Full; phydev->supported = phydev->advertising; val = (val & ~AQUNTIA_SPEED_MSB_MASK) | AQUNTIA_SPEED_LSB_MASK; phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR, val); - } + break; + }; val = phy_read(phydev, MDIO_MMD_VEND1, AQUANTIA_RESERVED_STATUS); reg_val1 = phy_read(phydev, MDIO_MMD_VEND1, AQUANTIA_FIRMWARE_ID); @@ -354,17 +555,14 @@ int aquantia_startup(struct phy_device *phydev) phydev->duplex = DUPLEX_FULL; /* if the AN is still in progress, wait till timeout. */ - phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); - reg = phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); - if (!(reg & MDIO_AN_STAT1_COMPLETE)) { + if (!aquantia_link_is_up(phydev)) { printf("%s Waiting for PHY auto negotiation to complete", phydev->dev->name); do { udelay(1000); - reg = phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); if ((i++ % 500) == 0) printf("."); - } while (!(reg & MDIO_AN_STAT1_COMPLETE) && + } while (!aquantia_link_is_up(phydev) && i < (4 * PHY_ANEG_TIMEOUT)); if (i > PHY_ANEG_TIMEOUT) @@ -433,6 +631,7 @@ struct phy_driver aqr105_driver = { .config = &aquantia_config, .startup = &aquantia_startup, .shutdown = &gen10g_shutdown, + .data = AQUANTIA_GEN1, }; struct phy_driver aqr106_driver = { @@ -459,6 +658,7 @@ struct phy_driver aqr107_driver = { .config = &aquantia_config, .startup = &aquantia_startup, .shutdown = &gen10g_shutdown, + .data = AQUANTIA_GEN2, }; struct phy_driver aqr112_driver = { @@ -472,6 +672,7 @@ struct phy_driver aqr112_driver = { .config = &aquantia_config, .startup = &aquantia_startup, .shutdown = &gen10g_shutdown, + .data = AQUANTIA_GEN3, }; struct phy_driver aqr405_driver = { @@ -485,6 +686,7 @@ struct phy_driver aqr405_driver = { .config = &aquantia_config, .startup = &aquantia_startup, .shutdown = &gen10g_shutdown, + .data = AQUANTIA_GEN1, }; struct phy_driver aqr412_driver = { @@ -498,6 +700,7 @@ struct phy_driver aqr412_driver = { .config = &aquantia_config, .startup = &aquantia_startup, .shutdown = &gen10g_shutdown, + .data = AQUANTIA_GEN3, }; int phy_aquantia_init(void) diff --git a/drivers/net/phy/ti.c b/drivers/net/phy/dp83867.c index 7509936465..a43793cd42 100644 --- a/drivers/net/phy/ti.c +++ b/drivers/net/phy/dp83867.c @@ -25,6 +25,7 @@ #define DP83867_CFG4 0x0031 #define DP83867_RGMIICTL 0x0032 #define DP83867_STRAP_STS1 0x006E +#define DP83867_STRAP_STS2 0x006f #define DP83867_RGMIIDCTL 0x0086 #define DP83867_IO_MUX_CFG 0x0170 @@ -52,18 +53,27 @@ /* STRAP_STS1 bits */ #define DP83867_STRAP_STS1_RESERVED BIT(11) +/* STRAP_STS2 bits */ +#define DP83867_STRAP_STS2_CLK_SKEW_TX_MASK GENMASK(6, 4) +#define DP83867_STRAP_STS2_CLK_SKEW_TX_SHIFT 4 +#define DP83867_STRAP_STS2_CLK_SKEW_RX_MASK GENMASK(2, 0) +#define DP83867_STRAP_STS2_CLK_SKEW_RX_SHIFT 0 +#define DP83867_STRAP_STS2_CLK_SKEW_NONE BIT(2) + /* PHY CTRL bits */ #define DP83867_PHYCR_FIFO_DEPTH_SHIFT 14 +#define DP83867_PHYCR_FIFO_DEPTH_MASK GENMASK(15, 14) #define DP83867_PHYCR_RESERVED_MASK BIT(11) #define DP83867_MDI_CROSSOVER 5 -#define DP83867_MDI_CROSSOVER_AUTO 2 #define DP83867_MDI_CROSSOVER_MDIX 2 #define DP83867_PHYCTRL_SGMIIEN 0x0800 #define DP83867_PHYCTRL_RXFIFO_SHIFT 12 #define DP83867_PHYCTRL_TXFIFO_SHIFT 14 /* RGMIIDCTL bits */ +#define DP83867_RGMII_TX_CLK_DELAY_MAX 0xf #define DP83867_RGMII_TX_CLK_DELAY_SHIFT 4 +#define DP83867_RGMII_RX_CLK_DELAY_MAX 0xf /* CFG2 bits */ #define MII_DP83867_CFG2_SPEEDOPT_10EN 0x0040 @@ -74,8 +84,6 @@ #define MII_DP83867_CFG2_MASK 0x003F /* User setting - can be taken from DTS */ -#define DEFAULT_RX_ID_DELAY DP83867_RGMIIDCTL_2_25_NS -#define DEFAULT_TX_ID_DELAY DP83867_RGMIIDCTL_2_75_NS #define DEFAULT_FIFO_DEPTH DP83867_PHYCR_FIFO_DEPTH_4_B_NIB /* IO_MUX_CFG bits */ @@ -83,6 +91,7 @@ #define DP83867_IO_MUX_CFG_IO_IMPEDANCE_MAX 0x0 #define DP83867_IO_MUX_CFG_IO_IMPEDANCE_MIN 0x1f +#define DP83867_IO_MUX_CFG_CLK_O_DISABLE BIT(6) #define DP83867_IO_MUX_CFG_CLK_O_SEL_SHIFT 8 #define DP83867_IO_MUX_CFG_CLK_O_SEL_MASK \ GENMASK(0x1f, DP83867_IO_MUX_CFG_CLK_O_SEL_SHIFT) @@ -97,12 +106,13 @@ enum { }; struct dp83867_private { - int rx_id_delay; - int tx_id_delay; + u32 rx_id_delay; + u32 tx_id_delay; int fifo_depth; int io_impedance; bool rxctrl_strap_quirk; int port_mirroring; + bool set_clk_output; unsigned int clk_output_sel; }; @@ -134,16 +144,28 @@ static int dp83867_of_init(struct phy_device *phydev) { struct dp83867_private *dp83867 = phydev->priv; ofnode node; - u16 val; + int ret; node = phy_get_ofnode(phydev); if (!ofnode_valid(node)) return -EINVAL; - /* Keep the default value if ti,clk-output-sel is not set */ - dp83867->clk_output_sel = - ofnode_read_u32_default(node, "ti,clk-output-sel", - DP83867_CLK_O_SEL_REF_CLK); + /* Optional configuration */ + ret = ofnode_read_u32(node, "ti,clk-output-sel", + &dp83867->clk_output_sel); + /* If not set, keep default */ + if (!ret) { + dp83867->set_clk_output = true; + /* Valid values are 0 to DP83867_CLK_O_SEL_REF_CLK or + * DP83867_CLK_O_SEL_OFF. + */ + if (dp83867->clk_output_sel > DP83867_CLK_O_SEL_REF_CLK && + dp83867->clk_output_sel != DP83867_CLK_O_SEL_OFF) { + pr_debug("ti,clk-output-sel value %u out of range\n", + dp83867->clk_output_sel); + return -EINVAL; + } + } if (ofnode_read_bool(node, "ti,max-output-impedance")) dp83867->io_impedance = DP83867_IO_MUX_CFG_IO_IMPEDANCE_MAX; @@ -154,13 +176,55 @@ static int dp83867_of_init(struct phy_device *phydev) if (ofnode_read_bool(node, "ti,dp83867-rxctrl-strap-quirk")) dp83867->rxctrl_strap_quirk = true; - dp83867->rx_id_delay = ofnode_read_u32_default(node, - "ti,rx-internal-delay", - DEFAULT_RX_ID_DELAY); - dp83867->tx_id_delay = ofnode_read_u32_default(node, - "ti,tx-internal-delay", - DEFAULT_TX_ID_DELAY); + /* Existing behavior was to use default pin strapping delay in rgmii + * mode, but rgmii should have meant no delay. Warn existing users. + */ + if (phydev->interface == PHY_INTERFACE_MODE_RGMII) { + u16 val = phy_read_mmd(phydev, DP83867_DEVADDR, + DP83867_STRAP_STS2); + u16 txskew = (val & DP83867_STRAP_STS2_CLK_SKEW_TX_MASK) >> + DP83867_STRAP_STS2_CLK_SKEW_TX_SHIFT; + u16 rxskew = (val & DP83867_STRAP_STS2_CLK_SKEW_RX_MASK) >> + DP83867_STRAP_STS2_CLK_SKEW_RX_SHIFT; + + if (txskew != DP83867_STRAP_STS2_CLK_SKEW_NONE || + rxskew != DP83867_STRAP_STS2_CLK_SKEW_NONE) + pr_warn("PHY has delays via pin strapping, but phy-mode = 'rgmii'\n" + "Should be 'rgmii-id' to use internal delays\n"); + } + + /* RX delay *must* be specified if internal delay of RX is used. */ + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID || + phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) { + ret = ofnode_read_u32(node, "ti,rx-internal-delay", + &dp83867->rx_id_delay); + if (ret) { + pr_debug("ti,rx-internal-delay must be specified\n"); + return ret; + } + if (dp83867->rx_id_delay > DP83867_RGMII_RX_CLK_DELAY_MAX) { + pr_debug("ti,rx-internal-delay value of %u out of range\n", + dp83867->rx_id_delay); + return -EINVAL; + } + } + + /* TX delay *must* be specified if internal delay of RX is used. */ + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID || + phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) { + ret = ofnode_read_u32(node, "ti,tx-internal-delay", + &dp83867->tx_id_delay); + if (ret) { + debug("ti,tx-internal-delay must be specified\n"); + return ret; + } + if (dp83867->tx_id_delay > DP83867_RGMII_TX_CLK_DELAY_MAX) { + pr_debug("ti,tx-internal-delay value of %u out of range\n", + dp83867->tx_id_delay); + return -EINVAL; + } + } dp83867->fifo_depth = ofnode_read_u32_default(node, "ti,fifo-depth", DEFAULT_FIFO_DEPTH); @@ -170,18 +234,6 @@ static int dp83867_of_init(struct phy_device *phydev) if (ofnode_read_bool(node, "enet-phy-lane-no-swap")) dp83867->port_mirroring = DP83867_PORT_MIRRORING_DIS; - - /* Clock output selection if muxing property is set */ - if (dp83867->clk_output_sel != DP83867_CLK_O_SEL_REF_CLK) { - val = phy_read_mmd(phydev, DP83867_DEVADDR, - DP83867_IO_MUX_CFG); - val &= ~DP83867_IO_MUX_CFG_CLK_O_SEL_MASK; - val |= (dp83867->clk_output_sel << - DP83867_IO_MUX_CFG_CLK_O_SEL_SHIFT); - phy_write_mmd(phydev, DP83867_DEVADDR, - DP83867_IO_MUX_CFG, val); - } - return 0; } #else @@ -189,8 +241,8 @@ static int dp83867_of_init(struct phy_device *phydev) { struct dp83867_private *dp83867 = phydev->priv; - dp83867->rx_id_delay = DEFAULT_RX_ID_DELAY; - dp83867->tx_id_delay = DEFAULT_TX_ID_DELAY; + dp83867->rx_id_delay = DP83867_RGMIIDCTL_2_25_NS; + dp83867->tx_id_delay = DP83867_RGMIIDCTL_2_75_NS; dp83867->fifo_depth = DEFAULT_FIFO_DEPTH; dp83867->io_impedance = -EINVAL; @@ -204,18 +256,11 @@ static int dp83867_config(struct phy_device *phydev) unsigned int val, delay, cfg2; int ret, bs; - if (!phydev->priv) { - dp83867 = kzalloc(sizeof(*dp83867), GFP_KERNEL); - if (!dp83867) - return -ENOMEM; + dp83867 = (struct dp83867_private *)phydev->priv; - phydev->priv = dp83867; - ret = dp83867_of_init(phydev); - if (ret) - goto err_out; - } else { - dp83867 = (struct dp83867_private *)phydev->priv; - } + ret = dp83867_of_init(phydev); + if (ret) + return ret; /* Restart the PHY. */ val = phy_read(phydev, MDIO_DEVAD_NONE, DP83867_CTRL); @@ -232,11 +277,11 @@ static int dp83867_config(struct phy_device *phydev) } if (phy_interface_is_rgmii(phydev)) { - ret = phy_write(phydev, MDIO_DEVAD_NONE, MII_DP83867_PHYCTRL, - (DP83867_MDI_CROSSOVER_AUTO << DP83867_MDI_CROSSOVER) | - (dp83867->fifo_depth << DP83867_PHYCR_FIFO_DEPTH_SHIFT)); - if (ret) + val = phy_read(phydev, MDIO_DEVAD_NONE, MII_DP83867_PHYCTRL); + if (val < 0) goto err_out; + val &= ~DP83867_PHYCR_FIFO_DEPTH_MASK; + val |= (dp83867->fifo_depth << DP83867_PHYCR_FIFO_DEPTH_SHIFT); /* The code below checks if "port mirroring" N/A MODE4 has been * enabled during power on bootstrap. @@ -248,16 +293,39 @@ static int dp83867_config(struct phy_device *phydev) * register's bit 11 (marked as RESERVED). */ - bs = phy_read_mmd(phydev, DP83867_DEVADDR, - DP83867_STRAP_STS1); - val = phy_read(phydev, MDIO_DEVAD_NONE, MII_DP83867_PHYCTRL); - if (bs & DP83867_STRAP_STS1_RESERVED) { + bs = phy_read_mmd(phydev, DP83867_DEVADDR, DP83867_STRAP_STS1); + if (bs & DP83867_STRAP_STS1_RESERVED) val &= ~DP83867_PHYCR_RESERVED_MASK; - phy_write(phydev, MDIO_DEVAD_NONE, MII_DP83867_PHYCTRL, - val); - } - } else if (phy_interface_is_sgmii(phydev)) { + ret = phy_write(phydev, MDIO_DEVAD_NONE, + MII_DP83867_PHYCTRL, val); + + val = phy_read_mmd(phydev, DP83867_DEVADDR, + DP83867_RGMIICTL); + + val &= ~(DP83867_RGMII_TX_CLK_DELAY_EN | + DP83867_RGMII_RX_CLK_DELAY_EN); + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) + val |= (DP83867_RGMII_TX_CLK_DELAY_EN | + DP83867_RGMII_RX_CLK_DELAY_EN); + + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) + val |= DP83867_RGMII_TX_CLK_DELAY_EN; + + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) + val |= DP83867_RGMII_RX_CLK_DELAY_EN; + + phy_write_mmd(phydev, DP83867_DEVADDR, DP83867_RGMIICTL, val); + + delay = (dp83867->rx_id_delay | + (dp83867->tx_id_delay << + DP83867_RGMII_TX_CLK_DELAY_SHIFT)); + + phy_write_mmd(phydev, DP83867_DEVADDR, + DP83867_RGMIIDCTL, delay); + } + + if (phy_interface_is_sgmii(phydev)) { phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, (BMCR_ANENABLE | BMCR_FULLDPLX | BMCR_SPEED1000)); @@ -282,57 +350,62 @@ static int dp83867_config(struct phy_device *phydev) phy_write(phydev, MDIO_DEVAD_NONE, MII_DP83867_BISCR, 0x0); } - if (phy_interface_is_rgmii(phydev)) { - val = phy_read_mmd(phydev, DP83867_DEVADDR, - DP83867_RGMIICTL); - - if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) - val |= (DP83867_RGMII_TX_CLK_DELAY_EN | - DP83867_RGMII_RX_CLK_DELAY_EN); - - if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) - val |= DP83867_RGMII_TX_CLK_DELAY_EN; - - if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) - val |= DP83867_RGMII_RX_CLK_DELAY_EN; - + if (dp83867->io_impedance >= 0) { + val = phy_read_mmd(phydev, + DP83867_DEVADDR, + DP83867_IO_MUX_CFG); + val &= ~DP83867_IO_MUX_CFG_IO_IMPEDANCE_CTRL; + val |= dp83867->io_impedance & + DP83867_IO_MUX_CFG_IO_IMPEDANCE_CTRL; phy_write_mmd(phydev, DP83867_DEVADDR, - DP83867_RGMIICTL, val); + DP83867_IO_MUX_CFG, val); + } - delay = (dp83867->rx_id_delay | - (dp83867->tx_id_delay << DP83867_RGMII_TX_CLK_DELAY_SHIFT)); + if (dp83867->port_mirroring != DP83867_PORT_MIRRORING_KEEP) + dp83867_config_port_mirroring(phydev); - phy_write_mmd(phydev, DP83867_DEVADDR, - DP83867_RGMIIDCTL, delay); + /* Clock output selection if muxing property is set */ + if (dp83867->set_clk_output) { + val = phy_read_mmd(phydev, DP83867_DEVADDR, + DP83867_IO_MUX_CFG); - if (dp83867->io_impedance >= 0) { - val = phy_read_mmd(phydev, - DP83867_DEVADDR, - DP83867_IO_MUX_CFG); - val &= ~DP83867_IO_MUX_CFG_IO_IMPEDANCE_CTRL; - val |= dp83867->io_impedance & - DP83867_IO_MUX_CFG_IO_IMPEDANCE_CTRL; - phy_write_mmd(phydev, DP83867_DEVADDR, - DP83867_IO_MUX_CFG, val); + if (dp83867->clk_output_sel == DP83867_CLK_O_SEL_OFF) { + val |= DP83867_IO_MUX_CFG_CLK_O_DISABLE; + } else { + val &= ~(DP83867_IO_MUX_CFG_CLK_O_SEL_MASK | + DP83867_IO_MUX_CFG_CLK_O_DISABLE); + val |= dp83867->clk_output_sel << + DP83867_IO_MUX_CFG_CLK_O_SEL_SHIFT; } + phy_write_mmd(phydev, DP83867_DEVADDR, + DP83867_IO_MUX_CFG, val); } - if (dp83867->port_mirroring != DP83867_PORT_MIRRORING_KEEP) - dp83867_config_port_mirroring(phydev); - genphy_config_aneg(phydev); return 0; err_out: - kfree(dp83867); return ret; } +static int dp83867_probe(struct phy_device *phydev) +{ + struct dp83867_private *dp83867; + + dp83867 = kzalloc(sizeof(*dp83867), GFP_KERNEL); + if (!dp83867) + return -ENOMEM; + + phydev->priv = dp83867; + return 0; +} + static struct phy_driver DP83867_driver = { .name = "TI DP83867", .uid = 0x2000a231, .mask = 0xfffffff0, .features = PHY_GBIT_FEATURES, + .probe = dp83867_probe, .config = &dp83867_config, .startup = &genphy_startup, .shutdown = &genphy_shutdown, diff --git a/drivers/net/phy/micrel_ksz8xxx.c b/drivers/net/phy/micrel_ksz8xxx.c index daa57ce33c..e27fc45a28 100644 --- a/drivers/net/phy/micrel_ksz8xxx.c +++ b/drivers/net/phy/micrel_ksz8xxx.c @@ -24,6 +24,7 @@ static struct phy_driver KSZ804_driver = { }; #define MII_KSZPHY_OMSO 0x16 +#define KSZPHY_OMSO_FACTORY_TEST BIT(15) #define KSZPHY_OMSO_B_CAST_OFF (1 << 9) static int ksz_genconfig_bcastoff(struct phy_device *phydev) @@ -80,12 +81,30 @@ static struct phy_driver KSZ8051_driver = { .shutdown = &genphy_shutdown, }; +static int ksz8081_config(struct phy_device *phydev) +{ + int ret; + + ret = phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZPHY_OMSO); + if (ret < 0) + return ret; + + ret &= ~KSZPHY_OMSO_FACTORY_TEST; + + ret = phy_write(phydev, MDIO_DEVAD_NONE, MII_KSZPHY_OMSO, + ret | KSZPHY_OMSO_B_CAST_OFF); + if (ret < 0) + return ret; + + return genphy_config(phydev); +} + static struct phy_driver KSZ8081_driver = { .name = "Micrel KSZ8081", .uid = 0x221560, .mask = 0xfffff0, .features = PHY_BASIC_FEATURES, - .config = &ksz_genconfig_bcastoff, + .config = &ksz8081_config, .startup = &genphy_startup, .shutdown = &genphy_shutdown, }; diff --git a/drivers/net/phy/mv88e61xx.c b/drivers/net/phy/mv88e61xx.c index c1e2860329..5aff7ed397 100644 --- a/drivers/net/phy/mv88e61xx.c +++ b/drivers/net/phy/mv88e61xx.c @@ -39,15 +39,11 @@ #define PHY_AUTONEGOTIATE_TIMEOUT 5000 -#define PORT_COUNT 11 -#define PORT_MASK ((1 << PORT_COUNT) - 1) +#define PORT_MASK(port_count) ((1 << (port_count)) - 1) /* Device addresses */ #define DEVADDR_PHY(p) (p) -#define DEVADDR_PORT(p) (0x10 + (p)) #define DEVADDR_SERDES 0x0F -#define DEVADDR_GLOBAL_1 0x1B -#define DEVADDR_GLOBAL_2 0x1C /* SMI indirection registers for multichip addressing mode */ #define SMI_CMD_REG 0x00 @@ -88,11 +84,7 @@ #define GLOBAL1_MON_CTRL_CPUDEST_SHIFT 4 #define GLOBAL1_MON_CTRL_CPUDEST_WIDTH 4 -#define PORT_REG_STATUS_LINK BIT(11) -#define PORT_REG_STATUS_DUPLEX BIT(10) - #define PORT_REG_STATUS_SPEED_SHIFT 8 -#define PORT_REG_STATUS_SPEED_WIDTH 2 #define PORT_REG_STATUS_SPEED_10 0 #define PORT_REG_STATUS_SPEED_100 1 #define PORT_REG_STATUS_SPEED_1000 2 @@ -111,6 +103,7 @@ #define PORT_REG_PHYS_CTRL_DUPLEX_VALUE BIT(3) #define PORT_REG_PHYS_CTRL_DUPLEX_FORCE BIT(2) #define PORT_REG_PHYS_CTRL_SPD1000 BIT(1) +#define PORT_REG_PHYS_CTRL_SPD100 BIT(0) #define PORT_REG_PHYS_CTRL_SPD_MASK (BIT(1) | BIT(0)) #define PORT_REG_CTRL_PSTATE_SHIFT 0 @@ -124,14 +117,12 @@ #define SERDES_REG_CTRL_1_FORCE_LINK BIT(10) -#define PHY_REG_CTRL1_ENERGY_DET_SHIFT 8 -#define PHY_REG_CTRL1_ENERGY_DET_WIDTH 2 - /* Field values */ #define PORT_REG_CTRL_PSTATE_DISABLED 0 #define PORT_REG_CTRL_PSTATE_FORWARD 3 #define PHY_REG_CTRL1_ENERGY_DET_OFF 0 +#define PHY_REG_CTRL1_ENERGY_DET_SENSE_PULSE 1 #define PHY_REG_CTRL1_ENERGY_DET_SENSE_ONLY 2 #define PHY_REG_CTRL1_ENERGY_DET_SENSE_XMIT 3 @@ -182,17 +173,32 @@ #endif /* ID register values for different switch models */ +#define PORT_SWITCH_ID_6020 0x0200 +#define PORT_SWITCH_ID_6070 0x0700 +#define PORT_SWITCH_ID_6071 0x0710 #define PORT_SWITCH_ID_6096 0x0980 #define PORT_SWITCH_ID_6097 0x0990 #define PORT_SWITCH_ID_6172 0x1720 #define PORT_SWITCH_ID_6176 0x1760 +#define PORT_SWITCH_ID_6220 0x2200 #define PORT_SWITCH_ID_6240 0x2400 +#define PORT_SWITCH_ID_6250 0x2500 #define PORT_SWITCH_ID_6352 0x3520 struct mv88e61xx_phy_priv { struct mii_dev *mdio_bus; int smi_addr; int id; + int port_count; /* Number of switch ports */ + int port_reg_base; /* Base of the switch port registers */ + u16 port_stat_link_mask;/* Bitmask for port link status bits */ + u16 port_stat_dup_mask; /* Bitmask for port duplex status bits */ + u8 port_stat_speed_width;/* Width of speed status bitfield */ + u8 global1; /* Offset of Switch Global 1 registers */ + u8 global2; /* Offset of Switch Global 2 registers */ + u8 phy_ctrl1_en_det_shift; /* 'EDet' bit field offset */ + u8 phy_ctrl1_en_det_width; /* Width of 'EDet' bit field */ + u8 phy_ctrl1_en_det_ctrl; /* 'EDet' control value */ }; static inline int smi_cmd(int cmd, int addr, int reg) @@ -329,11 +335,12 @@ static int mv88e61xx_reg_write(struct phy_device *phydev, int dev, int reg, static int mv88e61xx_phy_wait(struct phy_device *phydev) { + struct mv88e61xx_phy_priv *priv = phydev->priv; int val; u32 timeout = 100; do { - val = mv88e61xx_reg_read(phydev, DEVADDR_GLOBAL_2, + val = mv88e61xx_reg_read(phydev, priv->global2, GLOBAL2_REG_PHY_CMD); if (val >= 0 && (val & SMI_BUSY) == 0) return 0; @@ -347,13 +354,15 @@ static int mv88e61xx_phy_wait(struct phy_device *phydev) static int mv88e61xx_phy_read_indirect(struct mii_dev *smi_wrapper, int dev, int devad, int reg) { + struct mv88e61xx_phy_priv *priv; struct phy_device *phydev; int res; phydev = (struct phy_device *)smi_wrapper->priv; + priv = phydev->priv; /* Issue command to read */ - res = mv88e61xx_reg_write(phydev, DEVADDR_GLOBAL_2, + res = mv88e61xx_reg_write(phydev, priv->global2, GLOBAL2_REG_PHY_CMD, smi_cmd_read(dev, reg)); @@ -363,25 +372,27 @@ static int mv88e61xx_phy_read_indirect(struct mii_dev *smi_wrapper, int dev, return res; /* Read retrieved data */ - return mv88e61xx_reg_read(phydev, DEVADDR_GLOBAL_2, + return mv88e61xx_reg_read(phydev, priv->global2, GLOBAL2_REG_PHY_DATA); } static int mv88e61xx_phy_write_indirect(struct mii_dev *smi_wrapper, int dev, int devad, int reg, u16 data) { + struct mv88e61xx_phy_priv *priv; struct phy_device *phydev; int res; phydev = (struct phy_device *)smi_wrapper->priv; + priv = phydev->priv; /* Set the data to write */ - res = mv88e61xx_reg_write(phydev, DEVADDR_GLOBAL_2, + res = mv88e61xx_reg_write(phydev, priv->global2, GLOBAL2_REG_PHY_DATA, data); if (res < 0) return res; /* Issue the write command */ - res = mv88e61xx_reg_write(phydev, DEVADDR_GLOBAL_2, + res = mv88e61xx_reg_write(phydev, priv->global2, GLOBAL2_REG_PHY_CMD, smi_cmd_write(dev, reg)); if (res < 0) @@ -408,13 +419,18 @@ static int mv88e61xx_phy_write(struct phy_device *phydev, int phy, static int mv88e61xx_port_read(struct phy_device *phydev, u8 port, u8 reg) { - return mv88e61xx_reg_read(phydev, DEVADDR_PORT(port), reg); + struct mv88e61xx_phy_priv *priv = phydev->priv; + + return mv88e61xx_reg_read(phydev, priv->port_reg_base + port, reg); } static int mv88e61xx_port_write(struct phy_device *phydev, u8 port, u8 reg, u16 val) { - return mv88e61xx_reg_write(phydev, DEVADDR_PORT(port), reg, val); + struct mv88e61xx_phy_priv *priv = phydev->priv; + + return mv88e61xx_reg_write(phydev, priv->port_reg_base + port, + reg, val); } static int mv88e61xx_set_page(struct phy_device *phydev, u8 phy, u8 page) @@ -515,12 +531,13 @@ static int mv88e61xx_parse_status(struct phy_device *phydev) static int mv88e61xx_switch_reset(struct phy_device *phydev) { + struct mv88e61xx_phy_priv *priv = phydev->priv; int time; int val; u8 port; /* Disable all ports */ - for (port = 0; port < PORT_COUNT; port++) { + for (port = 0; port < priv->port_count; port++) { val = mv88e61xx_port_read(phydev, port, PORT_REG_CTRL); if (val < 0) return val; @@ -536,19 +553,19 @@ static int mv88e61xx_switch_reset(struct phy_device *phydev) udelay(2000); /* Reset switch */ - val = mv88e61xx_reg_read(phydev, DEVADDR_GLOBAL_1, GLOBAL1_CTRL); + val = mv88e61xx_reg_read(phydev, priv->global1, GLOBAL1_CTRL); if (val < 0) return val; val |= GLOBAL1_CTRL_SWRESET; - val = mv88e61xx_reg_write(phydev, DEVADDR_GLOBAL_1, - GLOBAL1_CTRL, val); + val = mv88e61xx_reg_write(phydev, priv->global1, + GLOBAL1_CTRL, val); if (val < 0) return val; /* Wait up to 1 second for switch reset complete */ for (time = 1000; time; time--) { - val = mv88e61xx_reg_read(phydev, DEVADDR_GLOBAL_1, - GLOBAL1_CTRL); + val = mv88e61xx_reg_read(phydev, priv->global1, + GLOBAL1_CTRL); if (val >= 0 && ((val & GLOBAL1_CTRL_SWRESET) == 0)) break; udelay(1000); @@ -628,6 +645,7 @@ static int mv88e61xx_port_set_vlan(struct phy_device *phydev, u8 port, static int mv88e61xx_read_port_config(struct phy_device *phydev, u8 port) { + struct mv88e61xx_phy_priv *priv = phydev->priv; int res; int val; bool forced = false; @@ -635,7 +653,7 @@ static int mv88e61xx_read_port_config(struct phy_device *phydev, u8 port) val = mv88e61xx_port_read(phydev, port, PORT_REG_STATUS); if (val < 0) return val; - if (!(val & PORT_REG_STATUS_LINK)) { + if (!(val & priv->port_stat_link_mask)) { /* Temporarily force link to read port configuration */ u32 timeout = 100; forced = true; @@ -658,7 +676,7 @@ static int mv88e61xx_read_port_config(struct phy_device *phydev, u8 port) res = -EIO; goto unforce; } - if (val & PORT_REG_STATUS_LINK) + if (val & priv->port_stat_link_mask) break; } while (--timeout); @@ -668,13 +686,13 @@ static int mv88e61xx_read_port_config(struct phy_device *phydev, u8 port) } } - if (val & PORT_REG_STATUS_DUPLEX) + if (val & priv->port_stat_dup_mask) phydev->duplex = DUPLEX_FULL; else phydev->duplex = DUPLEX_HALF; val = bitfield_extract(val, PORT_REG_STATUS_SPEED_SHIFT, - PORT_REG_STATUS_SPEED_WIDTH); + priv->port_stat_speed_width); switch (val) { case PORT_REG_STATUS_SPEED_1000: phydev->speed = SPEED_1000; @@ -707,6 +725,7 @@ unforce: static int mv88e61xx_fixed_port_setup(struct phy_device *phydev, u8 port) { + struct mv88e61xx_phy_priv *priv = phydev->priv; int val; val = mv88e61xx_port_read(phydev, port, PORT_REG_PHYS_CTRL); @@ -714,13 +733,19 @@ static int mv88e61xx_fixed_port_setup(struct phy_device *phydev, u8 port) return val; val &= ~(PORT_REG_PHYS_CTRL_SPD_MASK | - PORT_REG_PHYS_CTRL_FC_VALUE); - val |= PORT_REG_PHYS_CTRL_PCS_AN_EN | - PORT_REG_PHYS_CTRL_PCS_AN_RST | - PORT_REG_PHYS_CTRL_FC_FORCE | + PORT_REG_PHYS_CTRL_FC_VALUE | + PORT_REG_PHYS_CTRL_FC_FORCE); + val |= PORT_REG_PHYS_CTRL_FC_FORCE | PORT_REG_PHYS_CTRL_DUPLEX_VALUE | - PORT_REG_PHYS_CTRL_DUPLEX_FORCE | - PORT_REG_PHYS_CTRL_SPD1000; + PORT_REG_PHYS_CTRL_DUPLEX_FORCE; + + if (priv->id == PORT_SWITCH_ID_6071) { + val |= PORT_REG_PHYS_CTRL_SPD100; + } else { + val |= PORT_REG_PHYS_CTRL_PCS_AN_EN | + PORT_REG_PHYS_CTRL_PCS_AN_RST | + PORT_REG_PHYS_CTRL_SPD1000; + } if (port == CONFIG_MV88E61XX_CPU_PORT) val |= PORT_REG_PHYS_CTRL_LINK_VALUE | @@ -732,22 +757,23 @@ static int mv88e61xx_fixed_port_setup(struct phy_device *phydev, u8 port) static int mv88e61xx_set_cpu_port(struct phy_device *phydev) { + struct mv88e61xx_phy_priv *priv = phydev->priv; int val; /* Set CPUDest */ - val = mv88e61xx_reg_read(phydev, DEVADDR_GLOBAL_1, GLOBAL1_MON_CTRL); + val = mv88e61xx_reg_read(phydev, priv->global1, GLOBAL1_MON_CTRL); if (val < 0) return val; val = bitfield_replace(val, GLOBAL1_MON_CTRL_CPUDEST_SHIFT, GLOBAL1_MON_CTRL_CPUDEST_WIDTH, CONFIG_MV88E61XX_CPU_PORT); - val = mv88e61xx_reg_write(phydev, DEVADDR_GLOBAL_1, - GLOBAL1_MON_CTRL, val); + val = mv88e61xx_reg_write(phydev, priv->global1, + GLOBAL1_MON_CTRL, val); if (val < 0) return val; /* Allow CPU to route to any port */ - val = PORT_MASK & ~(1 << CONFIG_MV88E61XX_CPU_PORT); + val = PORT_MASK(priv->port_count) & ~(1 << CONFIG_MV88E61XX_CPU_PORT); val = mv88e61xx_port_set_vlan(phydev, CONFIG_MV88E61XX_CPU_PORT, val); if (val < 0) return val; @@ -821,6 +847,7 @@ static int mv88e61xx_phy_enable(struct phy_device *phydev, u8 phy) static int mv88e61xx_phy_setup(struct phy_device *phydev, u8 phy) { + struct mv88e61xx_phy_priv *priv = phydev->priv; int val; /* @@ -830,9 +857,9 @@ static int mv88e61xx_phy_setup(struct phy_device *phydev, u8 phy) val = mv88e61xx_phy_read(phydev, phy, PHY_REG_CTRL1); if (val < 0) return val; - val = bitfield_replace(val, PHY_REG_CTRL1_ENERGY_DET_SHIFT, - PHY_REG_CTRL1_ENERGY_DET_WIDTH, - PHY_REG_CTRL1_ENERGY_DET_SENSE_XMIT); + val = bitfield_replace(val, priv->phy_ctrl1_en_det_shift, + priv->phy_ctrl1_en_det_width, + priv->phy_ctrl1_en_det_ctrl); val = mv88e61xx_phy_write(phydev, phy, PHY_REG_CTRL1, val); if (val < 0) return val; @@ -856,6 +883,48 @@ static int mv88e61xx_phy_config_port(struct phy_device *phydev, u8 phy) return 0; } +/* + * This function is used to pre-configure the required register + * offsets, so that the indirect register access to the PHY registers + * is possible. This is necessary to be able to read the PHY ID + * while driver probing or in get_phy_id(). The globalN register + * offsets must be initialized correctly for a detected switch, + * otherwise detection of the PHY ID won't work! + */ +static int mv88e61xx_priv_reg_offs_pre_init(struct phy_device *phydev) +{ + struct mv88e61xx_phy_priv *priv = phydev->priv; + + /* + * Initial 'port_reg_base' value must be an offset of existing + * port register, then reading the ID should succeed. First, try + * to read via port registers with device address 0x10 (88E6096 + * and compatible switches). + */ + priv->port_reg_base = 0x10; + priv->id = mv88e61xx_get_switch_id(phydev); + if (priv->id != 0xfff0) { + priv->global1 = 0x1B; + priv->global2 = 0x1C; + return 0; + } + + /* + * Now try via port registers with device address 0x08 + * (88E6020 and compatible switches). + */ + priv->port_reg_base = 0x08; + priv->id = mv88e61xx_get_switch_id(phydev); + if (priv->id != 0xfff0) { + priv->global1 = 0x0F; + priv->global2 = 0x07; + return 0; + } + + debug("%s Unknown ID 0x%x\n", __func__, priv->id); + return -ENODEV; +} + static int mv88e61xx_probe(struct phy_device *phydev) { struct mii_dev *smi_wrapper; @@ -910,13 +979,57 @@ static int mv88e61xx_probe(struct phy_device *phydev) phydev->priv = priv; - priv->id = mv88e61xx_get_switch_id(phydev); + res = mv88e61xx_priv_reg_offs_pre_init(phydev); + if (res < 0) + return res; + + debug("%s ID 0x%x\n", __func__, priv->id); + + switch (priv->id) { + case PORT_SWITCH_ID_6096: + case PORT_SWITCH_ID_6097: + case PORT_SWITCH_ID_6172: + case PORT_SWITCH_ID_6176: + case PORT_SWITCH_ID_6240: + case PORT_SWITCH_ID_6352: + priv->port_count = 11; + priv->port_stat_link_mask = BIT(11); + priv->port_stat_dup_mask = BIT(10); + priv->port_stat_speed_width = 2; + priv->phy_ctrl1_en_det_shift = 8; + priv->phy_ctrl1_en_det_width = 2; + priv->phy_ctrl1_en_det_ctrl = + PHY_REG_CTRL1_ENERGY_DET_SENSE_XMIT; + break; + case PORT_SWITCH_ID_6020: + case PORT_SWITCH_ID_6070: + case PORT_SWITCH_ID_6071: + case PORT_SWITCH_ID_6220: + case PORT_SWITCH_ID_6250: + priv->port_count = 7; + priv->port_stat_link_mask = BIT(12); + priv->port_stat_dup_mask = BIT(9); + priv->port_stat_speed_width = 1; + priv->phy_ctrl1_en_det_shift = 14; + priv->phy_ctrl1_en_det_width = 1; + priv->phy_ctrl1_en_det_ctrl = + PHY_REG_CTRL1_ENERGY_DET_SENSE_PULSE; + break; + default: + free(priv); + return -ENODEV; + } + + res = mdio_register(smi_wrapper); + if (res) + printf("Failed to register SMI bus\n"); return 0; } static int mv88e61xx_phy_config(struct phy_device *phydev) { + struct mv88e61xx_phy_priv *priv = phydev->priv; int res; int i; int ret = -1; @@ -925,7 +1038,7 @@ static int mv88e61xx_phy_config(struct phy_device *phydev) if (res < 0) return res; - for (i = 0; i < PORT_COUNT; i++) { + for (i = 0; i < priv->port_count; i++) { if ((1 << i) & CONFIG_MV88E61XX_PHY_PORTS) { phydev->addr = i; @@ -988,13 +1101,14 @@ static int mv88e61xx_phy_is_connected(struct phy_device *phydev) static int mv88e61xx_phy_startup(struct phy_device *phydev) { + struct mv88e61xx_phy_priv *priv = phydev->priv; int i; int link = 0; int res; int speed = phydev->speed; int duplex = phydev->duplex; - for (i = 0; i < PORT_COUNT; i++) { + for (i = 0; i < priv->port_count; i++) { if ((1 << i) & CONFIG_MV88E61XX_PHY_PORTS) { phydev->addr = i; if (!mv88e61xx_phy_is_connected(phydev)) @@ -1040,10 +1154,22 @@ static struct phy_driver mv88e609x_driver = { .shutdown = &genphy_shutdown, }; +static struct phy_driver mv88e6071_driver = { + .name = "Marvell MV88E6071", + .uid = 0x1410db0, + .mask = 0xfffffff0, + .features = PHY_BASIC_FEATURES | SUPPORTED_MII, + .probe = mv88e61xx_probe, + .config = mv88e61xx_phy_config, + .startup = mv88e61xx_phy_startup, + .shutdown = &genphy_shutdown, +}; + int phy_mv88e61xx_init(void) { phy_register(&mv88e61xx_driver); phy_register(&mv88e609x_driver); + phy_register(&mv88e6071_driver); return 0; } @@ -1068,6 +1194,16 @@ int get_phy_id(struct mii_dev *bus, int smi_addr, int devad, u32 *phy_id) temp_phy.priv = &temp_priv; temp_mii.priv = &temp_phy; + /* + * get_phy_id() can be called by framework before mv88e61xx driver + * probing, in this case the global register offsets are not + * initialized yet. Do this initialization here before indirect + * PHY register access. + */ + val = mv88e61xx_priv_reg_offs_pre_init(&temp_phy); + if (val < 0) + return val; + val = mv88e61xx_phy_read_indirect(&temp_mii, 0, devad, MII_PHYSID1); if (val < 0) return -EIO; diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index f2d17aa91a..80a7664e49 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -256,11 +256,11 @@ int genphy_update_link(struct phy_device *phydev) return -EINTR; } - if ((i++ % 500) == 0) + if ((i++ % 10) == 0) printf("."); - udelay(1000); /* 1 ms */ mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMSR); + mdelay(50); /* 50 ms */ } printf(" done\n"); phydev->link = 1; @@ -997,7 +997,7 @@ struct phy_device *phy_connect(struct mii_dev *bus, int addr, #endif { struct phy_device *phydev = NULL; - uint mask = (addr > 0) ? (1 << addr) : 0xffffffff; + uint mask = (addr >= 0) ? (1 << addr) : 0xffffffff; #ifdef CONFIG_PHY_FIXED phydev = phy_connect_fixed(bus, dev, interface); |