diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/Kconfig | 8 | ||||
| -rw-r--r-- | drivers/net/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/designware.c | 294 | ||||
| -rw-r--r-- | drivers/net/dwc_eth_qos.c | 6 | ||||
| -rw-r--r-- | drivers/net/dwc_eth_qos.h | 2 | ||||
| -rw-r--r-- | drivers/net/dwc_eth_qos_adi.c | 103 | ||||
| -rw-r--r-- | drivers/net/phy/miiphybb.c | 216 | ||||
| -rw-r--r-- | drivers/net/ravb.c | 180 | ||||
| -rw-r--r-- | drivers/net/sh_eth.c | 189 |
9 files changed, 575 insertions, 424 deletions
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 1563404ca17..3db784faedd 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -237,6 +237,13 @@ config DWC_ETH_QOS Of Service) IP block. The IP supports many options for bus type, clocking/reset structure, and feature list. +config DWC_ETH_QOS_ADI + bool "Synopsys DWC Ethernet QOS device support for ADI SC59x-64 parts" + depends on DWC_ETH_QOS + help + The Synopsis Designware Ethernet QoS IP block with the specific + configuration used in the ADI ADSP-SC59X 64 bit SoCs + config DWC_ETH_QOS_IMX bool "Synopsys DWC Ethernet QOS device support for IMX" depends on DWC_ETH_QOS @@ -852,6 +859,7 @@ config RENESAS_ETHER_SWITCH config RENESAS_RAVB bool "Renesas Ethernet AVB MAC" depends on RCAR_64 + select BITBANGMII select PHYLIB select PHY_ETHERNET_ID help diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 80d70212971..d919d437c08 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_DM_ETH_PHY) += eth-phy-uclass.o obj-$(CONFIG_DRIVER_DM9000) += dm9000x.o obj-$(CONFIG_DSA_SANDBOX) += dsa_sandbox.o obj-$(CONFIG_DWC_ETH_QOS) += dwc_eth_qos.o +obj-$(CONFIG_DWC_ETH_QOS_ADI) += dwc_eth_qos_adi.o obj-$(CONFIG_DWC_ETH_QOS_IMX) += dwc_eth_qos_imx.o obj-$(CONFIG_DWC_ETH_QOS_INTEL) += dwc_eth_qos_intel.o obj-$(CONFIG_DWC_ETH_QOS_ROCKCHIP) += dwc_eth_qos_rockchip.o diff --git a/drivers/net/designware.c b/drivers/net/designware.c index 0a1fff38727..0f93c25e3fe 100644 --- a/drivers/net/designware.c +++ b/drivers/net/designware.c @@ -33,6 +33,9 @@ #include <linux/printk.h> #include <power/regulator.h> #include "designware.h" +#if IS_ENABLED(CONFIG_ARCH_NPCM8XX) +#include <asm/arch/gmac.h> +#endif static int dw_mdio_read(struct mii_dev *bus, int addr, int devad, int reg) { @@ -223,6 +226,136 @@ static int dw_dm_mdio_init(const char *name, void *priv) } #endif +#if IS_ENABLED(CONFIG_BITBANGMII) && IS_ENABLED(CONFIG_DM_GPIO) +static int dw_eth_bb_mdio_active(struct mii_dev *miidev) +{ + struct dw_eth_dev *priv = miidev->priv; + struct gpio_desc *desc = &priv->mdio_gpio; + + desc->flags = 0; + dm_gpio_set_dir_flags(&priv->mdio_gpio, GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); + + return 0; +} + +static int dw_eth_bb_mdio_tristate(struct mii_dev *miidev) +{ + struct dw_eth_dev *priv = miidev->priv; + struct gpio_desc *desc = &priv->mdio_gpio; + + desc->flags = 0; + dm_gpio_set_dir_flags(&priv->mdio_gpio, GPIOD_IS_IN); + + return 0; +} + +static int dw_eth_bb_set_mdio(struct mii_dev *miidev, int v) +{ + struct dw_eth_dev *priv = miidev->priv; + + if (v) + dm_gpio_set_value(&priv->mdio_gpio, 1); + else + dm_gpio_set_value(&priv->mdio_gpio, 0); + + return 0; +} + +static int dw_eth_bb_get_mdio(struct mii_dev *miidev, int *v) +{ + struct dw_eth_dev *priv = miidev->priv; + + *v = dm_gpio_get_value(&priv->mdio_gpio); + + return 0; +} + +static int dw_eth_bb_set_mdc(struct mii_dev *miidev, int v) +{ + struct dw_eth_dev *priv = miidev->priv; + + if (v) + dm_gpio_set_value(&priv->mdc_gpio, 1); + else + dm_gpio_set_value(&priv->mdc_gpio, 0); + + return 0; +} + +static int dw_eth_bb_delay(struct mii_dev *miidev) +{ + struct dw_eth_dev *priv = miidev->priv; + + udelay(priv->bb_delay); + return 0; +} + +static const struct bb_miiphy_bus_ops dw_eth_bb_miiphy_bus_ops = { + .mdio_active = dw_eth_bb_mdio_active, + .mdio_tristate = dw_eth_bb_mdio_tristate, + .set_mdio = dw_eth_bb_set_mdio, + .get_mdio = dw_eth_bb_get_mdio, + .set_mdc = dw_eth_bb_set_mdc, + .delay = dw_eth_bb_delay, +}; + +static int dw_bb_miiphy_read(struct mii_dev *miidev, int addr, + int devad, int reg) +{ + return bb_miiphy_read(miidev, &dw_eth_bb_miiphy_bus_ops, + addr, devad, reg); +} + +static int dw_bb_miiphy_write(struct mii_dev *miidev, int addr, + int devad, int reg, u16 value) +{ + return bb_miiphy_write(miidev, &dw_eth_bb_miiphy_bus_ops, + addr, devad, reg, value); +} + +static int dw_bb_mdio_init(const char *name, struct udevice *dev) +{ + struct dw_eth_dev *dwpriv = dev_get_priv(dev); + struct mii_dev *bus = mdio_alloc(); + int ret; + + if (!bus) { + printf("Failed to allocate MDIO bus\n"); + return -ENOMEM; + } + + debug("\n%s: use bitbang mii..\n", dev->name); + ret = gpio_request_by_name(dev, "snps,mdc-gpio", 0, + &dwpriv->mdc_gpio, + GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); + if (ret) { + debug("no mdc-gpio\n"); + return ret; + } + ret = gpio_request_by_name(dev, "snps,mdio-gpio", 0, + &dwpriv->mdio_gpio, + GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); + if (ret) { + debug("no mdio-gpio\n"); + return ret; + } + dwpriv->bb_delay = dev_read_u32_default(dev, "snps,bitbang-delay", 1); + + dwpriv->bus = bus; + dwpriv->dev = dev; + + snprintf(bus->name, sizeof(bus->name), "%s", name); + bus->read = dw_bb_miiphy_read; + bus->write = dw_bb_miiphy_write; +#if CONFIG_IS_ENABLED(DM_GPIO) + bus->reset = dw_mdio_reset; +#endif + bus->priv = dwpriv; + + return mdio_register(bus); +} +#endif + static void tx_descs_init(struct dw_eth_dev *priv) { struct eth_dma_regs *dma_p = priv->dma_regs_p; @@ -352,10 +485,35 @@ static int dw_adjust_link(struct dw_eth_dev *priv, struct eth_mac_regs *mac_p, (phydev->port == PORT_FIBRE) ? ", fiber mode" : ""); #ifdef CONFIG_ARCH_NPCM8XX + if (phydev->interface == PHY_INTERFACE_MODE_SGMII) { + unsigned int start; + + /* Indirect access to VR_MII_MMD registers */ + writew((VR_MII_MMD >> 9), PCS_BA + PCS_IND_AC); + /* Set PCS_Mode to SGMII */ + clrsetbits_le16(PCS_BA + VR_MII_MMD_AN_CTRL, BIT(1), BIT(2)); + /* Set Auto Speed Mode Change */ + setbits_le16(PCS_BA + VR_MII_MMD_CTRL1, BIT(9)); + /* Indirect access to SR_MII_MMD registers */ + writew((SR_MII_MMD >> 9), PCS_BA + PCS_IND_AC); + /* Restart Auto-Negotiation */ + setbits_le16(PCS_BA + SR_MII_MMD_CTRL, BIT(9) | BIT(12)); + + printf("SGMII PHY Wait for link up \n"); + /* SGMII PHY Wait for link up */ + start = get_timer(0); + while (!(readw(PCS_BA + SR_MII_MMD_STS) & BIT(2))) { + if (get_timer(start) >= LINK_UP_TIMEOUT) { + printf("PHY link up timeout\n"); + return -ETIMEDOUT; + } + mdelay(1); + }; + } /* Pass all Multicast Frames */ setbits_le32(&mac_p->framefilt, BIT(4)); - #endif + return 0; } @@ -784,51 +942,29 @@ int designware_eth_probe(struct udevice *dev) priv->interface = pdata->phy_interface; priv->max_speed = pdata->max_speed; -#if IS_ENABLED(CONFIG_DM_MDIO) - ret = dw_dm_mdio_init(dev->name, dev); -#else - ret = dw_mdio_init(dev->name, dev); -#endif - if (ret) { - err = ret; - goto mdio_err; - } - priv->bus = miiphy_get_dev_by_name(dev->name); - priv->dev = dev; - #if IS_ENABLED(CONFIG_BITBANGMII) && IS_ENABLED(CONFIG_DM_GPIO) if (dev_read_bool(dev, "snps,bitbang-mii")) { - int bus_idx; - - debug("\n%s: use bitbang mii..\n", dev->name); - ret = gpio_request_by_name(dev, "snps,mdc-gpio", 0, - &priv->mdc_gpio, GPIOD_IS_OUT - | GPIOD_IS_OUT_ACTIVE); + ret = dw_bb_mdio_init(dev->name, dev); if (ret) { - debug("no mdc-gpio\n"); - return ret; + err = ret; + goto mdio_err; } - ret = gpio_request_by_name(dev, "snps,mdio-gpio", 0, - &priv->mdio_gpio, GPIOD_IS_OUT - | GPIOD_IS_OUT_ACTIVE); + } else +#endif + { +#if IS_ENABLED(CONFIG_DM_MDIO) + ret = dw_dm_mdio_init(dev->name, dev); +#else + ret = dw_mdio_init(dev->name, dev); +#endif if (ret) { - debug("no mdio-gpio\n"); - return ret; - } - priv->bb_delay = dev_read_u32_default(dev, "snps,bitbang-delay", 1); - - for (bus_idx = 0; bus_idx < bb_miiphy_buses_num; bus_idx++) { - if (!bb_miiphy_buses[bus_idx].priv) { - bb_miiphy_buses[bus_idx].priv = priv; - strlcpy(bb_miiphy_buses[bus_idx].name, priv->bus->name, - MDIO_NAME_LEN); - priv->bus->read = bb_miiphy_read; - priv->bus->write = bb_miiphy_write; - break; - } + err = ret; + goto mdio_err; } + priv->bus = miiphy_get_dev_by_name(dev->name); + priv->dev = dev; } -#endif + ret = dw_phy_init(priv, dev); debug("%s, ret=%d\n", __func__, ret); if (!ret) @@ -939,83 +1075,3 @@ static struct pci_device_id supported[] = { }; U_BOOT_PCI_DEVICE(eth_designware, supported); - -#if IS_ENABLED(CONFIG_BITBANGMII) && IS_ENABLED(CONFIG_DM_GPIO) -static int dw_eth_bb_mdio_active(struct bb_miiphy_bus *bus) -{ - struct dw_eth_dev *priv = bus->priv; - struct gpio_desc *desc = &priv->mdio_gpio; - - desc->flags = 0; - dm_gpio_set_dir_flags(&priv->mdio_gpio, GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); - - return 0; -} - -static int dw_eth_bb_mdio_tristate(struct bb_miiphy_bus *bus) -{ - struct dw_eth_dev *priv = bus->priv; - struct gpio_desc *desc = &priv->mdio_gpio; - - desc->flags = 0; - dm_gpio_set_dir_flags(&priv->mdio_gpio, GPIOD_IS_IN); - - return 0; -} - -static int dw_eth_bb_set_mdio(struct bb_miiphy_bus *bus, int v) -{ - struct dw_eth_dev *priv = bus->priv; - - if (v) - dm_gpio_set_value(&priv->mdio_gpio, 1); - else - dm_gpio_set_value(&priv->mdio_gpio, 0); - - return 0; -} - -static int dw_eth_bb_get_mdio(struct bb_miiphy_bus *bus, int *v) -{ - struct dw_eth_dev *priv = bus->priv; - - *v = dm_gpio_get_value(&priv->mdio_gpio); - - return 0; -} - -static int dw_eth_bb_set_mdc(struct bb_miiphy_bus *bus, int v) -{ - struct dw_eth_dev *priv = bus->priv; - - if (v) - dm_gpio_set_value(&priv->mdc_gpio, 1); - else - dm_gpio_set_value(&priv->mdc_gpio, 0); - - return 0; -} - -static int dw_eth_bb_delay(struct bb_miiphy_bus *bus) -{ - struct dw_eth_dev *priv = bus->priv; - - udelay(priv->bb_delay); - return 0; -} - -struct bb_miiphy_bus bb_miiphy_buses[] = { - { - .name = BB_MII_DEVNAME, - .mdio_active = dw_eth_bb_mdio_active, - .mdio_tristate = dw_eth_bb_mdio_tristate, - .set_mdio = dw_eth_bb_set_mdio, - .get_mdio = dw_eth_bb_get_mdio, - .set_mdc = dw_eth_bb_set_mdc, - .delay = dw_eth_bb_delay, - .priv = NULL, - } -}; - -int bb_miiphy_buses_num = ARRAY_SIZE(bb_miiphy_buses); -#endif diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c index 2279481d935..b4ec3614696 100644 --- a/drivers/net/dwc_eth_qos.c +++ b/drivers/net/dwc_eth_qos.c @@ -1632,6 +1632,12 @@ static const struct udevice_id eqos_ids[] = { .data = (ulong)&eqos_jh7110_config }, #endif +#if IS_ENABLED(CONFIG_DWC_ETH_QOS_ADI) + { + .compatible = "adi,sc59x-dwmac-eqos", + .data = (ulong)&eqos_adi_config + }, +#endif { } }; diff --git a/drivers/net/dwc_eth_qos.h b/drivers/net/dwc_eth_qos.h index 123f98d5d53..403e8203974 100644 --- a/drivers/net/dwc_eth_qos.h +++ b/drivers/net/dwc_eth_qos.h @@ -87,6 +87,7 @@ struct eqos_mac_regs { #define EQOS_MAC_MDIO_ADDRESS_CR_MASK GENMASK(11, 8) #define EQOS_MAC_MDIO_ADDRESS_CR_100_150 1 #define EQOS_MAC_MDIO_ADDRESS_CR_20_35 2 +#define EQOS_MAC_MDIO_ADDRESS_CR_150_250 4 #define EQOS_MAC_MDIO_ADDRESS_CR_250_300 5 #define EQOS_MAC_MDIO_ADDRESS_SKAP BIT(4) #define EQOS_MAC_MDIO_ADDRESS_GOC_MASK GENMASK(3, 2) @@ -301,3 +302,4 @@ extern struct eqos_config eqos_qcom_config; extern struct eqos_config eqos_stm32mp13_config; extern struct eqos_config eqos_stm32mp15_config; extern struct eqos_config eqos_jh7110_config; +extern struct eqos_config eqos_adi_config; diff --git a/drivers/net/dwc_eth_qos_adi.c b/drivers/net/dwc_eth_qos_adi.c new file mode 100644 index 00000000000..0e6a901e303 --- /dev/null +++ b/drivers/net/dwc_eth_qos_adi.c @@ -0,0 +1,103 @@ +// SPDX-License-Identifier: GPL-2.0 +/** + * (C) Copyright 2024 - Analog Devices, Inc. + * + * Written and/or maintained by Timesys Corporation + * + * Author: Greg Malysa <greg.malysa@timesys.com> + * Additional Contact: Nathan Barrett-Morrison <nathan.morrison@timesys.com> + */ + +#include <clk.h> +#include <dm.h> +#include <net.h> +#include <phy.h> +#include <reset.h> +#include <linux/io.h> + +#include <asm/arch-adi/sc5xx/sc5xx.h> + +#include "dwc_eth_qos.h" + +static int eqos_start_resets_adi(struct udevice *dev) +{ + struct eqos_priv *eqos = dev_get_priv(dev); + + /* + * Settings need to latch with the DMA reset below. Currently only + * rgmii is supported but other phy interfaces may be supported in + * the future + */ + sc5xx_enable_rgmii(); + setbits_32(&eqos->dma_regs->mode, EQOS_DMA_MODE_SWR); + + return 0; +} + +static int eqos_probe_resources_adi(struct udevice *dev) +{ + struct eqos_priv *eqos = dev_get_priv(dev); + phy_interface_t interface; + int ret; + + ret = eqos_get_base_addr_dt(dev); + if (ret) { + pr_err("eqos_get_base_addr_dt failed: %d\n", ret); + return ret; + } + + interface = eqos->config->interface(dev); + if (interface == PHY_INTERFACE_MODE_NA) { + pr_err("Invalid PHY interface\n"); + return -EINVAL; + } + + return 0; +} + +/** + * rgmii tx clock rate is set to 125 MHz regardless of phy mode, and + * by default the internal clock is always connected to 125 MHz. According + * to the HRM it is invalid for this clock to have any other speed, so + * the hardware won't work anyway if this is wrong. + */ +static ulong eqos_get_tick_clk_rate_adi(struct udevice *dev) +{ + return 125 * 1000000; +} + +static int eqos_get_enetaddr_adi(struct udevice *dev) +{ + struct eth_pdata *pdata = dev_get_plat(dev); + + return eth_env_get_enetaddr("ethaddr", pdata->enetaddr); +} + +static struct eqos_ops eqos_adi_ops = { + .eqos_inval_desc = eqos_inval_desc_generic, + .eqos_flush_desc = eqos_flush_desc_generic, + .eqos_inval_buffer = eqos_inval_buffer_generic, + .eqos_flush_buffer = eqos_flush_buffer_generic, + .eqos_probe_resources = eqos_probe_resources_adi, + .eqos_remove_resources = eqos_null_ops, + .eqos_start_resets = eqos_start_resets_adi, + .eqos_stop_resets = eqos_null_ops, + .eqos_start_clks = eqos_null_ops, + .eqos_stop_clks = eqos_null_ops, + .eqos_calibrate_pads = eqos_null_ops, + .eqos_disable_calibration = eqos_null_ops, + .eqos_set_tx_clk_speed = eqos_null_ops, + .eqos_get_enetaddr = eqos_get_enetaddr_adi, + .eqos_get_tick_clk_rate = eqos_get_tick_clk_rate_adi, +}; + +struct eqos_config __maybe_unused eqos_adi_config = { + .reg_access_always_ok = true, + .mdio_wait = 20, + .swr_wait = 50, + .config_mac = EQOS_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_DCB, + .config_mac_mdio = EQOS_MAC_MDIO_ADDRESS_CR_150_250, + .axi_bus_width = EQOS_AXI_WIDTH_32, + .interface = dev_read_phy_mode, + .ops = &eqos_adi_ops, +}; diff --git a/drivers/net/phy/miiphybb.c b/drivers/net/phy/miiphybb.c index 9f5f9b12c9f..76463da7299 100644 --- a/drivers/net/phy/miiphybb.c +++ b/drivers/net/phy/miiphybb.c @@ -17,37 +17,13 @@ #include <miiphy.h> #include <asm/global_data.h> -int bb_miiphy_init(void) -{ - int i; - - for (i = 0; i < bb_miiphy_buses_num; i++) - if (bb_miiphy_buses[i].init != NULL) - bb_miiphy_buses[i].init(&bb_miiphy_buses[i]); - - return 0; -} - -static inline struct bb_miiphy_bus *bb_miiphy_getbus(const char *devname) -{ - int i; - - /* Search the correct bus */ - for (i = 0; i < bb_miiphy_buses_num; i++) { - if (!strcmp(bb_miiphy_buses[i].name, devname)) { - return &bb_miiphy_buses[i]; - } - } - return NULL; -} - /***************************************************************************** * * Utility to send the preamble, address, and register (common to read * and write). */ -static void miiphy_pre(struct bb_miiphy_bus *bus, char read, - unsigned char addr, unsigned char reg) +static void miiphy_pre(struct mii_dev *miidev, const struct bb_miiphy_bus_ops *ops, + char read, unsigned char addr, unsigned char reg) { int j; @@ -59,62 +35,62 @@ static void miiphy_pre(struct bb_miiphy_bus *bus, char read, * but it is safer and will be much more robust. */ - bus->mdio_active(bus); - bus->set_mdio(bus, 1); + ops->mdio_active(miidev); + ops->set_mdio(miidev, 1); for (j = 0; j < 32; j++) { - bus->set_mdc(bus, 0); - bus->delay(bus); - bus->set_mdc(bus, 1); - bus->delay(bus); + ops->set_mdc(miidev, 0); + ops->delay(miidev); + ops->set_mdc(miidev, 1); + ops->delay(miidev); } /* send the start bit (01) and the read opcode (10) or write (10) */ - bus->set_mdc(bus, 0); - bus->set_mdio(bus, 0); - bus->delay(bus); - bus->set_mdc(bus, 1); - bus->delay(bus); - bus->set_mdc(bus, 0); - bus->set_mdio(bus, 1); - bus->delay(bus); - bus->set_mdc(bus, 1); - bus->delay(bus); - bus->set_mdc(bus, 0); - bus->set_mdio(bus, read); - bus->delay(bus); - bus->set_mdc(bus, 1); - bus->delay(bus); - bus->set_mdc(bus, 0); - bus->set_mdio(bus, !read); - bus->delay(bus); - bus->set_mdc(bus, 1); - bus->delay(bus); + ops->set_mdc(miidev, 0); + ops->set_mdio(miidev, 0); + ops->delay(miidev); + ops->set_mdc(miidev, 1); + ops->delay(miidev); + ops->set_mdc(miidev, 0); + ops->set_mdio(miidev, 1); + ops->delay(miidev); + ops->set_mdc(miidev, 1); + ops->delay(miidev); + ops->set_mdc(miidev, 0); + ops->set_mdio(miidev, read); + ops->delay(miidev); + ops->set_mdc(miidev, 1); + ops->delay(miidev); + ops->set_mdc(miidev, 0); + ops->set_mdio(miidev, !read); + ops->delay(miidev); + ops->set_mdc(miidev, 1); + ops->delay(miidev); /* send the PHY address */ for (j = 0; j < 5; j++) { - bus->set_mdc(bus, 0); + ops->set_mdc(miidev, 0); if ((addr & 0x10) == 0) { - bus->set_mdio(bus, 0); + ops->set_mdio(miidev, 0); } else { - bus->set_mdio(bus, 1); + ops->set_mdio(miidev, 1); } - bus->delay(bus); - bus->set_mdc(bus, 1); - bus->delay(bus); + ops->delay(miidev); + ops->set_mdc(miidev, 1); + ops->delay(miidev); addr <<= 1; } /* send the register address */ for (j = 0; j < 5; j++) { - bus->set_mdc(bus, 0); + ops->set_mdc(miidev, 0); if ((reg & 0x10) == 0) { - bus->set_mdio(bus, 0); + ops->set_mdio(miidev, 0); } else { - bus->set_mdio(bus, 1); + ops->set_mdio(miidev, 1); } - bus->delay(bus); - bus->set_mdc(bus, 1); - bus->delay(bus); + ops->delay(miidev); + ops->set_mdc(miidev, 1); + ops->delay(miidev); reg <<= 1; } } @@ -126,62 +102,57 @@ static void miiphy_pre(struct bb_miiphy_bus *bus, char read, * Returns: * 0 on success */ -int bb_miiphy_read(struct mii_dev *miidev, int addr, int devad, int reg) +int bb_miiphy_read(struct mii_dev *miidev, const struct bb_miiphy_bus_ops *ops, + int addr, int devad, int reg) { unsigned short rdreg; /* register working value */ int v; int j; /* counter */ - struct bb_miiphy_bus *bus; - bus = bb_miiphy_getbus(miidev->name); - if (bus == NULL) { - return -1; - } - - miiphy_pre (bus, 1, addr, reg); + miiphy_pre(miidev, ops, 1, addr, reg); /* tri-state our MDIO I/O pin so we can read */ - bus->set_mdc(bus, 0); - bus->mdio_tristate(bus); - bus->delay(bus); - bus->set_mdc(bus, 1); - bus->delay(bus); + ops->set_mdc(miidev, 0); + ops->mdio_tristate(miidev); + ops->delay(miidev); + ops->set_mdc(miidev, 1); + ops->delay(miidev); /* check the turnaround bit: the PHY should be driving it to zero */ - bus->get_mdio(bus, &v); + ops->get_mdio(miidev, &v); if (v != 0) { /* puts ("PHY didn't drive TA low\n"); */ for (j = 0; j < 32; j++) { - bus->set_mdc(bus, 0); - bus->delay(bus); - bus->set_mdc(bus, 1); - bus->delay(bus); + ops->set_mdc(miidev, 0); + ops->delay(miidev); + ops->set_mdc(miidev, 1); + ops->delay(miidev); } /* There is no PHY, return */ return -1; } - bus->set_mdc(bus, 0); - bus->delay(bus); + ops->set_mdc(miidev, 0); + ops->delay(miidev); /* read 16 bits of register data, MSB first */ rdreg = 0; for (j = 0; j < 16; j++) { - bus->set_mdc(bus, 1); - bus->delay(bus); + ops->set_mdc(miidev, 1); + ops->delay(miidev); rdreg <<= 1; - bus->get_mdio(bus, &v); + ops->get_mdio(miidev, &v); rdreg |= (v & 0x1); - bus->set_mdc(bus, 0); - bus->delay(bus); + ops->set_mdc(miidev, 0); + ops->delay(miidev); } - bus->set_mdc(bus, 1); - bus->delay(bus); - bus->set_mdc(bus, 0); - bus->delay(bus); - bus->set_mdc(bus, 1); - bus->delay(bus); + ops->set_mdc(miidev, 1); + ops->delay(miidev); + ops->set_mdc(miidev, 0); + ops->delay(miidev); + ops->set_mdc(miidev, 1); + ops->delay(miidev); debug("%s[%s](0x%x) @ 0x%x = 0x%04x\n", __func__, miidev->name, reg, addr, rdreg); @@ -195,54 +166,47 @@ int bb_miiphy_read(struct mii_dev *miidev, int addr, int devad, int reg) * Returns: * 0 on success */ -int bb_miiphy_write(struct mii_dev *miidev, int addr, int devad, int reg, - u16 value) +int bb_miiphy_write(struct mii_dev *miidev, const struct bb_miiphy_bus_ops *ops, + int addr, int devad, int reg, u16 value) { - struct bb_miiphy_bus *bus; int j; /* counter */ - bus = bb_miiphy_getbus(miidev->name); - if (bus == NULL) { - /* Bus not found! */ - return -1; - } - - miiphy_pre (bus, 0, addr, reg); + miiphy_pre(miidev, ops, 0, addr, reg); /* send the turnaround (10) */ - bus->set_mdc(bus, 0); - bus->set_mdio(bus, 1); - bus->delay(bus); - bus->set_mdc(bus, 1); - bus->delay(bus); - bus->set_mdc(bus, 0); - bus->set_mdio(bus, 0); - bus->delay(bus); - bus->set_mdc(bus, 1); - bus->delay(bus); + ops->set_mdc(miidev, 0); + ops->set_mdio(miidev, 1); + ops->delay(miidev); + ops->set_mdc(miidev, 1); + ops->delay(miidev); + ops->set_mdc(miidev, 0); + ops->set_mdio(miidev, 0); + ops->delay(miidev); + ops->set_mdc(miidev, 1); + ops->delay(miidev); /* write 16 bits of register data, MSB first */ for (j = 0; j < 16; j++) { - bus->set_mdc(bus, 0); + ops->set_mdc(miidev, 0); if ((value & 0x00008000) == 0) { - bus->set_mdio(bus, 0); + ops->set_mdio(miidev, 0); } else { - bus->set_mdio(bus, 1); + ops->set_mdio(miidev, 1); } - bus->delay(bus); - bus->set_mdc(bus, 1); - bus->delay(bus); + ops->delay(miidev); + ops->set_mdc(miidev, 1); + ops->delay(miidev); value <<= 1; } /* * Tri-state the MDIO line. */ - bus->mdio_tristate(bus); - bus->set_mdc(bus, 0); - bus->delay(bus); - bus->set_mdc(bus, 1); - bus->delay(bus); + ops->mdio_tristate(miidev); + ops->set_mdc(miidev, 0); + ops->delay(miidev); + ops->set_mdc(miidev, 1); + ops->delay(miidev); return 0; } diff --git a/drivers/net/ravb.c b/drivers/net/ravb.c index 7286ad19598..c39bef17b79 100644 --- a/drivers/net/ravb.c +++ b/drivers/net/ravb.c @@ -354,8 +354,15 @@ static int ravb_mac_init(struct ravb_priv *eth) /* Disable MAC Interrupt */ writel(0, eth->iobase + RAVB_REG_ECSIPR); - /* Recv frame limit set register */ - writel(RFLR_RFL_MIN, eth->iobase + RAVB_REG_RFLR); + /* + * Set receive frame length + * + * The length set here describes the frame from the destination address + * up to and including the CRC data. However only the frame data, + * excluding the CRC, are transferred to memory. To allow for the + * largest frames add the CRC length to the maximum Rx descriptor size. + */ + writel(RFLR_RFL_MIN + ETH_FCS_LEN, eth->iobase + RAVB_REG_RFLR); return 0; } @@ -490,6 +497,88 @@ static void ravb_stop(struct udevice *dev) ravb_reset(dev); } +/* Bitbang MDIO access */ +static int ravb_bb_mdio_active(struct mii_dev *miidev) +{ + struct ravb_priv *eth = miidev->priv; + + setbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MMD); + + return 0; +} + +static int ravb_bb_mdio_tristate(struct mii_dev *miidev) +{ + struct ravb_priv *eth = miidev->priv; + + clrbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MMD); + + return 0; +} + +static int ravb_bb_set_mdio(struct mii_dev *miidev, int v) +{ + struct ravb_priv *eth = miidev->priv; + + if (v) + setbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MDO); + else + clrbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MDO); + + return 0; +} + +static int ravb_bb_get_mdio(struct mii_dev *miidev, int *v) +{ + struct ravb_priv *eth = miidev->priv; + + *v = (readl(eth->iobase + RAVB_REG_PIR) & PIR_MDI) >> 3; + + return 0; +} + +static int ravb_bb_set_mdc(struct mii_dev *miidev, int v) +{ + struct ravb_priv *eth = miidev->priv; + + if (v) + setbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MDC); + else + clrbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MDC); + + return 0; +} + +static int ravb_bb_delay(struct mii_dev *miidev) +{ + udelay(10); + + return 0; +} + +static const struct bb_miiphy_bus_ops ravb_bb_miiphy_bus_ops = { + .mdio_active = ravb_bb_mdio_active, + .mdio_tristate = ravb_bb_mdio_tristate, + .set_mdio = ravb_bb_set_mdio, + .get_mdio = ravb_bb_get_mdio, + .set_mdc = ravb_bb_set_mdc, + .delay = ravb_bb_delay, +}; + +static int ravb_bb_miiphy_read(struct mii_dev *miidev, int addr, + int devad, int reg) +{ + return bb_miiphy_read(miidev, &ravb_bb_miiphy_bus_ops, + addr, devad, reg); +} + +static int ravb_bb_miiphy_write(struct mii_dev *miidev, int addr, + int devad, int reg, u16 value) +{ + return bb_miiphy_write(miidev, &ravb_bb_miiphy_bus_ops, + addr, devad, reg, value); +} + static int ravb_probe(struct udevice *dev) { struct eth_pdata *pdata = dev_get_plat(dev); @@ -511,16 +600,16 @@ static int ravb_probe(struct udevice *dev) goto err_mdio_alloc; } - mdiodev->read = bb_miiphy_read; - mdiodev->write = bb_miiphy_write; - bb_miiphy_buses[0].priv = eth; + mdiodev->read = ravb_bb_miiphy_read; + mdiodev->write = ravb_bb_miiphy_write; + mdiodev->priv = eth; snprintf(mdiodev->name, sizeof(mdiodev->name), dev->name); ret = mdio_register(mdiodev); if (ret < 0) goto err_mdio_register; - eth->bus = miiphy_get_dev_by_name(dev->name); + eth->bus = mdiodev; /* Bring up PHY */ ret = clk_enable_bulk(ð->clks); @@ -560,83 +649,6 @@ static int ravb_remove(struct udevice *dev) return 0; } -static int ravb_bb_init(struct bb_miiphy_bus *bus) -{ - return 0; -} - -static int ravb_bb_mdio_active(struct bb_miiphy_bus *bus) -{ - struct ravb_priv *eth = bus->priv; - - setbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MMD); - - return 0; -} - -static int ravb_bb_mdio_tristate(struct bb_miiphy_bus *bus) -{ - struct ravb_priv *eth = bus->priv; - - clrbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MMD); - - return 0; -} - -static int ravb_bb_set_mdio(struct bb_miiphy_bus *bus, int v) -{ - struct ravb_priv *eth = bus->priv; - - if (v) - setbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MDO); - else - clrbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MDO); - - return 0; -} - -static int ravb_bb_get_mdio(struct bb_miiphy_bus *bus, int *v) -{ - struct ravb_priv *eth = bus->priv; - - *v = (readl(eth->iobase + RAVB_REG_PIR) & PIR_MDI) >> 3; - - return 0; -} - -static int ravb_bb_set_mdc(struct bb_miiphy_bus *bus, int v) -{ - struct ravb_priv *eth = bus->priv; - - if (v) - setbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MDC); - else - clrbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MDC); - - return 0; -} - -static int ravb_bb_delay(struct bb_miiphy_bus *bus) -{ - udelay(10); - - return 0; -} - -struct bb_miiphy_bus bb_miiphy_buses[] = { - { - .name = "ravb", - .init = ravb_bb_init, - .mdio_active = ravb_bb_mdio_active, - .mdio_tristate = ravb_bb_mdio_tristate, - .set_mdio = ravb_bb_set_mdio, - .get_mdio = ravb_bb_get_mdio, - .set_mdc = ravb_bb_set_mdc, - .delay = ravb_bb_delay, - }, -}; -int bb_miiphy_buses_num = ARRAY_SIZE(bb_miiphy_buses); - static const struct eth_ops ravb_ops = { .start = ravb_start, .send = ravb_send, @@ -658,8 +670,6 @@ int ravb_of_to_plat(struct udevice *dev) pdata->max_speed = dev_read_u32_default(dev, "max-speed", 1000); - sprintf(bb_miiphy_buses[0].name, dev->name); - return 0; } diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c index f1ce994cfd5..f695a3a41d2 100644 --- a/drivers/net/sh_eth.c +++ b/drivers/net/sh_eth.c @@ -643,6 +643,97 @@ static void sh_ether_stop(struct udevice *dev) sh_eth_stop(&priv->shdev); } +/******* for bb_miiphy *******/ +static int sh_eth_bb_mdio_active(struct mii_dev *miidev) +{ + struct sh_eth_dev *eth = miidev->priv; + struct sh_eth_info *port_info = ð->port_info[eth->port]; + + sh_eth_write(port_info, sh_eth_read(port_info, PIR) | PIR_MMD, PIR); + + return 0; +} + +static int sh_eth_bb_mdio_tristate(struct mii_dev *miidev) +{ + struct sh_eth_dev *eth = miidev->priv; + struct sh_eth_info *port_info = ð->port_info[eth->port]; + + sh_eth_write(port_info, sh_eth_read(port_info, PIR) & ~PIR_MMD, PIR); + + return 0; +} + +static int sh_eth_bb_set_mdio(struct mii_dev *miidev, int v) +{ + struct sh_eth_dev *eth = miidev->priv; + struct sh_eth_info *port_info = ð->port_info[eth->port]; + + if (v) + sh_eth_write(port_info, + sh_eth_read(port_info, PIR) | PIR_MDO, PIR); + else + sh_eth_write(port_info, + sh_eth_read(port_info, PIR) & ~PIR_MDO, PIR); + + return 0; +} + +static int sh_eth_bb_get_mdio(struct mii_dev *miidev, int *v) +{ + struct sh_eth_dev *eth = miidev->priv; + struct sh_eth_info *port_info = ð->port_info[eth->port]; + + *v = (sh_eth_read(port_info, PIR) & PIR_MDI) >> 3; + + return 0; +} + +static int sh_eth_bb_set_mdc(struct mii_dev *miidev, int v) +{ + struct sh_eth_dev *eth = miidev->priv; + struct sh_eth_info *port_info = ð->port_info[eth->port]; + + if (v) + sh_eth_write(port_info, + sh_eth_read(port_info, PIR) | PIR_MDC, PIR); + else + sh_eth_write(port_info, + sh_eth_read(port_info, PIR) & ~PIR_MDC, PIR); + + return 0; +} + +static int sh_eth_bb_delay(struct mii_dev *miidev) +{ + udelay(10); + + return 0; +} + +static const struct bb_miiphy_bus_ops sh_ether_bb_miiphy_bus_ops = { + .mdio_active = sh_eth_bb_mdio_active, + .mdio_tristate = sh_eth_bb_mdio_tristate, + .set_mdio = sh_eth_bb_set_mdio, + .get_mdio = sh_eth_bb_get_mdio, + .set_mdc = sh_eth_bb_set_mdc, + .delay = sh_eth_bb_delay, +}; + +static int sh_eth_bb_miiphy_read(struct mii_dev *miidev, int addr, + int devad, int reg) +{ + return bb_miiphy_read(miidev, &sh_ether_bb_miiphy_bus_ops, + addr, devad, reg); +} + +static int sh_eth_bb_miiphy_write(struct mii_dev *miidev, int addr, + int devad, int reg, u16 value) +{ + return bb_miiphy_write(miidev, &sh_ether_bb_miiphy_bus_ops, + addr, devad, reg, value); +} + static int sh_ether_probe(struct udevice *udev) { struct eth_pdata *pdata = dev_get_plat(udev); @@ -664,16 +755,16 @@ static int sh_ether_probe(struct udevice *udev) return ret; } - mdiodev->read = bb_miiphy_read; - mdiodev->write = bb_miiphy_write; - bb_miiphy_buses[0].priv = eth; + mdiodev->read = sh_eth_bb_miiphy_read; + mdiodev->write = sh_eth_bb_miiphy_write; + mdiodev->priv = eth; snprintf(mdiodev->name, sizeof(mdiodev->name), udev->name); ret = mdio_register(mdiodev); if (ret < 0) goto err_mdio_register; - priv->bus = miiphy_get_dev_by_name(udev->name); + priv->bus = mdiodev; eth->port = CFG_SH_ETHER_USE_PORT; eth->port_info[eth->port].phy_addr = CFG_SH_ETHER_PHY_ADDR; @@ -748,8 +839,6 @@ int sh_ether_of_to_plat(struct udevice *dev) if (cell) pdata->max_speed = fdt32_to_cpu(*cell); - sprintf(bb_miiphy_buses[0].name, dev->name); - return 0; } @@ -775,91 +864,3 @@ U_BOOT_DRIVER(eth_sh_ether) = { .plat_auto = sizeof(struct eth_pdata), .flags = DM_FLAG_ALLOC_PRIV_DMA, }; - -/******* for bb_miiphy *******/ -static int sh_eth_bb_init(struct bb_miiphy_bus *bus) -{ - return 0; -} - -static int sh_eth_bb_mdio_active(struct bb_miiphy_bus *bus) -{ - struct sh_eth_dev *eth = bus->priv; - struct sh_eth_info *port_info = ð->port_info[eth->port]; - - sh_eth_write(port_info, sh_eth_read(port_info, PIR) | PIR_MMD, PIR); - - return 0; -} - -static int sh_eth_bb_mdio_tristate(struct bb_miiphy_bus *bus) -{ - struct sh_eth_dev *eth = bus->priv; - struct sh_eth_info *port_info = ð->port_info[eth->port]; - - sh_eth_write(port_info, sh_eth_read(port_info, PIR) & ~PIR_MMD, PIR); - - return 0; -} - -static int sh_eth_bb_set_mdio(struct bb_miiphy_bus *bus, int v) -{ - struct sh_eth_dev *eth = bus->priv; - struct sh_eth_info *port_info = ð->port_info[eth->port]; - - if (v) - sh_eth_write(port_info, - sh_eth_read(port_info, PIR) | PIR_MDO, PIR); - else - sh_eth_write(port_info, - sh_eth_read(port_info, PIR) & ~PIR_MDO, PIR); - - return 0; -} - -static int sh_eth_bb_get_mdio(struct bb_miiphy_bus *bus, int *v) -{ - struct sh_eth_dev *eth = bus->priv; - struct sh_eth_info *port_info = ð->port_info[eth->port]; - - *v = (sh_eth_read(port_info, PIR) & PIR_MDI) >> 3; - - return 0; -} - -static int sh_eth_bb_set_mdc(struct bb_miiphy_bus *bus, int v) -{ - struct sh_eth_dev *eth = bus->priv; - struct sh_eth_info *port_info = ð->port_info[eth->port]; - - if (v) - sh_eth_write(port_info, - sh_eth_read(port_info, PIR) | PIR_MDC, PIR); - else - sh_eth_write(port_info, - sh_eth_read(port_info, PIR) & ~PIR_MDC, PIR); - - return 0; -} - -static int sh_eth_bb_delay(struct bb_miiphy_bus *bus) -{ - udelay(10); - - return 0; -} - -struct bb_miiphy_bus bb_miiphy_buses[] = { - { - .name = "sh_eth", - .init = sh_eth_bb_init, - .mdio_active = sh_eth_bb_mdio_active, - .mdio_tristate = sh_eth_bb_mdio_tristate, - .set_mdio = sh_eth_bb_set_mdio, - .get_mdio = sh_eth_bb_get_mdio, - .set_mdc = sh_eth_bb_set_mdc, - .delay = sh_eth_bb_delay, - } -}; - -int bb_miiphy_buses_num = ARRAY_SIZE(bb_miiphy_buses); |