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/dwmac_socfpga.c | 143 | ||||
| -rw-r--r-- | drivers/net/fsl-mc/mc.c | 6 | ||||
| -rw-r--r-- | drivers/net/ldpaa_eth/ldpaa_eth.c | 4 |
5 files changed, 157 insertions, 5 deletions
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index f762b0898d..d86da7760e 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -150,6 +150,14 @@ config ETH_DESIGNWARE 100Mbit and 1 Gbit operation. You must enable CONFIG_PHYLIB to provide the PHY (physical media interface). +config ETH_DESIGNWARE_SOCFPGA + bool "Altera SoCFPGA extras for Synopsys Designware Ethernet MAC" + depends on DM_ETH && ETH_DESIGNWARE + help + The Altera SoCFPGA requires additional configuration of the + Altera system manager to correctly interface with the PHY. + This code handles those SoC specifics. + config ETHOC bool "OpenCores 10/100 Mbps Ethernet MAC" help diff --git a/drivers/net/Makefile b/drivers/net/Makefile index c1ed44e21f..48a2878071 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_CALXEDA_XGMAC) += calxedaxgmac.o obj-$(CONFIG_CS8900) += cs8900.o obj-$(CONFIG_TULIP) += dc2114x.o obj-$(CONFIG_ETH_DESIGNWARE) += designware.o +obj-$(CONFIG_ETH_DESIGNWARE_SOCFPGA) += dwmac_socfpga.o obj-$(CONFIG_DRIVER_DM9000) += dm9000x.o obj-$(CONFIG_DNET) += dnet.o obj-$(CONFIG_E1000) += e1000.o diff --git a/drivers/net/dwmac_socfpga.c b/drivers/net/dwmac_socfpga.c new file mode 100644 index 0000000000..08fc9677c4 --- /dev/null +++ b/drivers/net/dwmac_socfpga.c @@ -0,0 +1,143 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Marek Vasut <marex@denx.de> + * + * Altera SoCFPGA EMAC extras + */ + +#include <common.h> +#include <asm/io.h> +#include <dm.h> +#include <clk.h> +#include <phy.h> +#include <regmap.h> +#include <reset.h> +#include <syscon.h> +#include "designware.h" + +#include <asm/arch/system_manager.h> + +enum dwmac_type { + DWMAC_SOCFPGA_GEN5 = 0, + DWMAC_SOCFPGA_ARRIA10, + DWMAC_SOCFPGA_STRATIX10, +}; + +struct dwmac_socfpga_platdata { + struct dw_eth_pdata dw_eth_pdata; + enum dwmac_type type; + void *phy_intf; +}; + +static int dwmac_socfpga_ofdata_to_platdata(struct udevice *dev) +{ + struct dwmac_socfpga_platdata *pdata = dev_get_platdata(dev); + struct regmap *regmap; + struct ofnode_phandle_args args; + void *range; + int ret; + + ret = dev_read_phandle_with_args(dev, "altr,sysmgr-syscon", NULL, + 2, 0, &args); + if (ret) { + dev_err(dev, "Failed to get syscon: %d\n", ret); + return ret; + } + + if (args.args_count != 2) { + dev_err(dev, "Invalid number of syscon args\n"); + return -EINVAL; + } + + regmap = syscon_node_to_regmap(args.node); + if (IS_ERR(regmap)) { + ret = PTR_ERR(regmap); + dev_err(dev, "Failed to get regmap: %d\n", ret); + return ret; + } + + range = regmap_get_range(regmap, 0); + if (!range) { + dev_err(dev, "Failed to get regmap range\n"); + return -ENOMEM; + } + + pdata->phy_intf = range + args.args[0]; + + /* + * Sadly, the Altera DT bindings don't have SoC-specific compatibles, + * so we have to guesstimate which SoC we are running on from the + * DWMAC version. Luckily, Altera at least updated the DWMAC with + * each SoC. + */ + if (ofnode_device_is_compatible(dev->node, "snps,dwmac-3.70a")) + pdata->type = DWMAC_SOCFPGA_GEN5; + + if (ofnode_device_is_compatible(dev->node, "snps,dwmac-3.72a")) + pdata->type = DWMAC_SOCFPGA_ARRIA10; + + if (ofnode_device_is_compatible(dev->node, "snps,dwmac-3.74a")) + pdata->type = DWMAC_SOCFPGA_STRATIX10; + + return designware_eth_ofdata_to_platdata(dev); +} + +static int dwmac_socfpga_probe(struct udevice *dev) +{ + struct dwmac_socfpga_platdata *pdata = dev_get_platdata(dev); + struct eth_pdata *edata = &pdata->dw_eth_pdata.eth_pdata; + struct reset_ctl_bulk reset_bulk; + int ret; + u8 modereg; + + if (pdata->type == DWMAC_SOCFPGA_ARRIA10) { + switch (edata->phy_interface) { + case PHY_INTERFACE_MODE_MII: + case PHY_INTERFACE_MODE_GMII: + modereg = SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_GMII_MII; + break; + case PHY_INTERFACE_MODE_RMII: + modereg = SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RMII; + break; + case PHY_INTERFACE_MODE_RGMII: + modereg = SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII; + break; + default: + dev_err(dev, "Unsupported PHY mode\n"); + return -EINVAL; + } + + ret = reset_get_bulk(dev, &reset_bulk); + if (ret) { + dev_err(dev, "Failed to get reset: %d\n", ret); + return ret; + } + + reset_assert_bulk(&reset_bulk); + + clrsetbits_le32(pdata->phy_intf, + SYSMGR_EMACGRP_CTRL_PHYSEL_MASK, + modereg); + + reset_release_bulk(&reset_bulk); + } + + return designware_eth_probe(dev); +} + +static const struct udevice_id dwmac_socfpga_ids[] = { + { .compatible = "altr,socfpga-stmmac" }, + { } +}; + +U_BOOT_DRIVER(dwmac_socfpga) = { + .name = "dwmac_socfpga", + .id = UCLASS_ETH, + .of_match = dwmac_socfpga_ids, + .ofdata_to_platdata = dwmac_socfpga_ofdata_to_platdata, + .probe = dwmac_socfpga_probe, + .ops = &designware_eth_ops, + .priv_auto_alloc_size = sizeof(struct dw_eth_dev), + .platdata_auto_alloc_size = sizeof(struct dwmac_socfpga_platdata), + .flags = DM_FLAG_ALLOC_PRIV_DMA, +}; diff --git a/drivers/net/fsl-mc/mc.c b/drivers/net/fsl-mc/mc.c index 982024e31e..940025a467 100644 --- a/drivers/net/fsl-mc/mc.c +++ b/drivers/net/fsl-mc/mc.c @@ -322,7 +322,7 @@ static int mc_fixup_dpc_mac_addr(void *blob, int dpmac_id, static int mc_fixup_mac_addrs(void *blob, enum mc_fixup_type type) { int i, err = 0, ret = 0; - char ethname[10]; + char ethname[ETH_NAME_LEN]; struct eth_device *eth_dev; for (i = WRIOP1_DPMAC1; i < NUM_WRIOP_PORTS; i++) { @@ -331,8 +331,8 @@ static int mc_fixup_mac_addrs(void *blob, enum mc_fixup_type type) (wriop_get_phy_address(i) == -1)) continue; - sprintf(ethname, "DPMAC%d@%s", i, - phy_interface_strings[wriop_get_enet_if(i)]); + snprintf(ethname, ETH_NAME_LEN, "DPMAC%d@%s", i, + phy_interface_strings[wriop_get_enet_if(i)]); eth_dev = eth_get_dev_by_name(ethname); if (eth_dev == NULL) diff --git a/drivers/net/ldpaa_eth/ldpaa_eth.c b/drivers/net/ldpaa_eth/ldpaa_eth.c index 79facb4a44..a25b7cd906 100644 --- a/drivers/net/ldpaa_eth/ldpaa_eth.c +++ b/drivers/net/ldpaa_eth/ldpaa_eth.c @@ -993,8 +993,8 @@ static int ldpaa_eth_netdev_init(struct eth_device *net_dev, int err; struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)net_dev->priv; - sprintf(net_dev->name, "DPMAC%d@%s", priv->dpmac_id, - phy_interface_strings[enet_if]); + snprintf(net_dev->name, ETH_NAME_LEN, "DPMAC%d@%s", priv->dpmac_id, + phy_interface_strings[enet_if]); net_dev->iobase = 0; net_dev->init = ldpaa_eth_open; |