diff options
Diffstat (limited to 'drivers/net/dwc_eth_xgmac_socfpga.c')
| -rw-r--r-- | drivers/net/dwc_eth_xgmac_socfpga.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/drivers/net/dwc_eth_xgmac_socfpga.c b/drivers/net/dwc_eth_xgmac_socfpga.c deleted file mode 100644 index 270c1b0ca6c..00000000000 --- a/drivers/net/dwc_eth_xgmac_socfpga.c +++ /dev/null @@ -1,226 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (c) 2023, Intel Corporation - */ -#include <clk.h> -#include <cpu_func.h> -#include <dm.h> -#include <errno.h> -#include <eth_phy.h> -#include <log.h> -#include <malloc.h> -#include <memalign.h> -#include <miiphy.h> -#include <net.h> -#include <netdev.h> -#include <phy.h> -#include <reset.h> -#include <wait_bit.h> -#include <asm/arch/secure_reg_helper.h> -#include <asm/arch/system_manager.h> -#include <regmap.h> -#include <syscon.h> -#include <asm/cache.h> -#include <asm/gpio.h> -#include <asm/io.h> -#include <linux/delay.h> -#include <dm/device_compat.h> -#include "dwc_eth_xgmac.h" - -#define SOCFPGA_XGMAC_SYSCON_ARG_COUNT 2 - -static int dwxgmac_socfpga_do_setphy(struct udevice *dev, u32 modereg) -{ - struct xgmac_priv *xgmac = dev_get_priv(dev); - int ret; - - u32 modemask = SYSMGR_EMACGRP_CTRL_PHYSEL_MASK << - xgmac->syscon_phy_regshift; - - if (!(IS_ENABLED(CONFIG_SPL_BUILD)) && IS_ENABLED(CONFIG_SPL_ATF)) { - u32 index = ((u64)xgmac->syscon_phy - socfpga_get_sysmgr_addr() - - SYSMGR_SOC64_EMAC0) >> 2; - - u32 id = SOCFPGA_SECURE_REG_SYSMGR_SOC64_EMAC0 + index; - - ret = socfpga_secure_reg_update32(id, - modemask, - modereg << - xgmac->syscon_phy_regshift); - if (ret) { - dev_err(dev, "Failed to set PHY register via SMC call\n"); - return ret; - } - - } else { - clrsetbits_le32(xgmac->phy, modemask, modereg); - } - - return 0; -} - -static int xgmac_probe_resources_socfpga(struct udevice *dev) -{ - struct xgmac_priv *xgmac = dev_get_priv(dev); - struct regmap *reg_map; - struct ofnode_phandle_args args; - void *range; - phy_interface_t interface; - int ret; - u32 modereg; - - interface = xgmac->config->interface(dev); - - switch (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; - } - - /* Get PHY syscon */ - ret = dev_read_phandle_with_args(dev, "altr,sysmgr-syscon", NULL, - SOCFPGA_XGMAC_SYSCON_ARG_COUNT, - 0, &args); - - if (ret) { - dev_err(dev, "Failed to get syscon: %d\n", ret); - return ret; - } - - if (args.args_count != SOCFPGA_XGMAC_SYSCON_ARG_COUNT) { - dev_err(dev, "Invalid number of syscon args\n"); - return -EINVAL; - } - - reg_map = syscon_node_to_regmap(args.node); - if (IS_ERR(reg_map)) { - ret = PTR_ERR(reg_map); - dev_err(dev, "Failed to get reg_map: %d\n", ret); - return ret; - } - - range = regmap_get_range(reg_map, 0); - if (!range) { - dev_err(dev, "Failed to get reg_map: %d\n", ret); - return -ENOMEM; - } - - xgmac->syscon_phy = range + args.args[0]; - xgmac->syscon_phy_regshift = args.args[1]; - - /* Get Reset Bulk */ - ret = reset_get_bulk(dev, &xgmac->reset_bulk); - if (ret) { - dev_err(dev, "Failed to get reset: %d\n", ret); - return ret; - } - - ret = reset_assert_bulk(&xgmac->reset_bulk); - if (ret) { - dev_err(dev, "XGMAC failed to assert reset: %d\n", ret); - return ret; - } - - ret = dwxgmac_socfpga_do_setphy(dev, modereg); - if (ret) - return ret; - - ret = reset_deassert_bulk(&xgmac->reset_bulk); - if (ret) { - dev_err(dev, "XGMAC failed to de-assert reset: %d\n", ret); - return ret; - } - - ret = clk_get_by_name(dev, "stmmaceth", &xgmac->clk_common); - if (ret) { - pr_err("clk_get_by_name(stmmaceth) failed: %d", ret); - goto err_probe; - } - return 0; - -err_probe: - debug("%s: returns %d\n", __func__, ret); - return ret; -} - -static int xgmac_get_enetaddr_socfpga(struct udevice *dev) -{ - struct eth_pdata *pdata = dev_get_plat(dev); - struct xgmac_priv *xgmac = dev_get_priv(dev); - u32 hi_addr, lo_addr; - - debug("%s(dev=%p):\n", __func__, dev); - - /* Read the MAC Address from the hardawre */ - hi_addr = readl(&xgmac->mac_regs->address0_high); - lo_addr = readl(&xgmac->mac_regs->address0_low); - - pdata->enetaddr[0] = lo_addr & 0xff; - pdata->enetaddr[1] = (lo_addr >> 8) & 0xff; - pdata->enetaddr[2] = (lo_addr >> 16) & 0xff; - pdata->enetaddr[3] = (lo_addr >> 24) & 0xff; - pdata->enetaddr[4] = hi_addr & 0xff; - pdata->enetaddr[5] = (hi_addr >> 8) & 0xff; - - return !is_valid_ethaddr(pdata->enetaddr); -} - -static int xgmac_start_resets_socfpga(struct udevice *dev) -{ - struct xgmac_priv *xgmac = dev_get_priv(dev); - int ret; - - debug("%s(dev=%p):\n", __func__, dev); - - ret = reset_assert_bulk(&xgmac->reset_bulk); - if (ret < 0) { - pr_err("xgmac reset assert failed: %d", ret); - return ret; - } - - udelay(2); - - ret = reset_deassert_bulk(&xgmac->reset_bulk); - if (ret < 0) { - pr_err("xgmac reset de-assert failed: %d", ret); - return ret; - } - - return 0; -} - -static struct xgmac_ops xgmac_socfpga_ops = { - .xgmac_inval_desc = xgmac_inval_desc_generic, - .xgmac_flush_desc = xgmac_flush_desc_generic, - .xgmac_inval_buffer = xgmac_inval_buffer_generic, - .xgmac_flush_buffer = xgmac_flush_buffer_generic, - .xgmac_probe_resources = xgmac_probe_resources_socfpga, - .xgmac_remove_resources = xgmac_null_ops, - .xgmac_stop_resets = xgmac_null_ops, - .xgmac_start_resets = xgmac_start_resets_socfpga, - .xgmac_stop_clks = xgmac_null_ops, - .xgmac_start_clks = xgmac_null_ops, - .xgmac_calibrate_pads = xgmac_null_ops, - .xgmac_disable_calibration = xgmac_null_ops, - .xgmac_get_enetaddr = xgmac_get_enetaddr_socfpga, -}; - -struct xgmac_config __maybe_unused xgmac_socfpga_config = { - .reg_access_always_ok = false, - .swr_wait = 50, - .config_mac = XGMAC_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_DCB, - .config_mac_mdio = XGMAC_MAC_MDIO_ADDRESS_CR_350_400, - .axi_bus_width = XGMAC_AXI_WIDTH_64, - .interface = dev_read_phy_mode, - .ops = &xgmac_socfpga_ops -}; |