diff options
Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe-pci.c')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-pci.c | 204 |
1 files changed, 70 insertions, 134 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c index c636999a6a84..097ec5e4f261 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c @@ -1,123 +1,15 @@ +// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) /* - * AMD 10Gb Ethernet driver - * - * This file is available to you under your choice of the following two - * licenses: - * - * License 1: GPLv2 - * - * Copyright (c) 2016 Advanced Micro Devices, Inc. - * - * This file is free software; you may copy, redistribute and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or (at - * your option) any later version. - * - * This file is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - * This file incorporates work covered by the following copyright and - * permission notice: - * The Synopsys DWC ETHER XGMAC Software Driver and documentation - * (hereinafter "Software") is an unsupported proprietary work of Synopsys, - * Inc. unless otherwise expressly agreed to in writing between Synopsys - * and you. - * - * The Software IS NOT an item of Licensed Software or Licensed Product - * under any End User Software License Agreement or Agreement for Licensed - * Product with Synopsys or any supplement thereto. Permission is hereby - * granted, free of charge, to any person obtaining a copy of this software - * annotated with this license and the Software, to deal in the Software - * without restriction, including without limitation the rights to use, - * copy, modify, merge, publish, distribute, sublicense, and/or sell copies - * of the Software, and to permit persons to whom the Software is furnished - * to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" - * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - * THE POSSIBILITY OF SUCH DAMAGE. - * - * - * License 2: Modified BSD - * - * Copyright (c) 2016 Advanced Micro Devices, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Advanced Micro Devices, Inc. nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * This file incorporates work covered by the following copyright and - * permission notice: - * The Synopsys DWC ETHER XGMAC Software Driver and documentation - * (hereinafter "Software") is an unsupported proprietary work of Synopsys, - * Inc. unless otherwise expressly agreed to in writing between Synopsys - * and you. - * - * The Software IS NOT an item of Licensed Software or Licensed Product - * under any End User Software License Agreement or Agreement for Licensed - * Product with Synopsys or any supplement thereto. Permission is hereby - * granted, free of charge, to any person obtaining a copy of this software - * annotated with this license and the Software, to deal in the Software - * without restriction, including without limitation the rights to use, - * copy, modify, merge, publish, distribute, sublicense, and/or sell copies - * of the Software, and to permit persons to whom the Software is furnished - * to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" - * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - * THE POSSIBILITY OF SUCH DAMAGE. + * Copyright (c) 2014-2025, Advanced Micro Devices, Inc. + * Copyright (c) 2014, Synopsys, Inc. + * All rights reserved */ #include <linux/module.h> #include <linux/device.h> #include <linux/pci.h> #include <linux/log2.h> +#include "xgbe-smn.h" #include "xgbe.h" #include "xgbe-common.h" @@ -207,14 +99,14 @@ out: static int xgbe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { - struct xgbe_prv_data *pdata; - struct device *dev = &pdev->dev; void __iomem * const *iomap_table; - struct pci_dev *rdev; + unsigned int port_addr_size, reg; + struct device *dev = &pdev->dev; + struct xgbe_prv_data *pdata; unsigned int ma_lo, ma_hi; - unsigned int reg; - int bar_mask; - int ret; + struct pci_dev *rdev; + int bar_mask, ret; + u32 address; pdata = xgbe_alloc_pdata(dev); if (IS_ERR(pdata)) { @@ -274,20 +166,31 @@ static int xgbe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) /* Set the PCS indirect addressing definition registers */ rdev = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(0, 0)); - if (rdev && - (rdev->vendor == PCI_VENDOR_ID_AMD) && (rdev->device == 0x15d0)) { - pdata->xpcs_window_def_reg = PCS_V2_RV_WINDOW_DEF; - pdata->xpcs_window_sel_reg = PCS_V2_RV_WINDOW_SELECT; - } else if (rdev && (rdev->vendor == PCI_VENDOR_ID_AMD) && - (rdev->device == 0x14b5)) { - pdata->xpcs_window_def_reg = PCS_V2_YC_WINDOW_DEF; - pdata->xpcs_window_sel_reg = PCS_V2_YC_WINDOW_SELECT; - - /* Yellow Carp devices do not need cdr workaround */ - pdata->vdata->an_cdr_workaround = 0; - - /* Yellow Carp devices do not need rrc */ - pdata->vdata->enable_rrc = 0; + if (rdev && rdev->vendor == PCI_VENDOR_ID_AMD) { + switch (rdev->device) { + case XGBE_RV_PCI_DEVICE_ID: + pdata->xpcs_window_def_reg = PCS_V2_RV_WINDOW_DEF; + pdata->xpcs_window_sel_reg = PCS_V2_RV_WINDOW_SELECT; + break; + case XGBE_YC_PCI_DEVICE_ID: + pdata->xpcs_window_def_reg = PCS_V2_YC_WINDOW_DEF; + pdata->xpcs_window_sel_reg = PCS_V2_YC_WINDOW_SELECT; + + /* Yellow Carp devices do not need cdr workaround */ + pdata->vdata->an_cdr_workaround = 0; + + /* Yellow Carp devices do not need rrc */ + pdata->vdata->enable_rrc = 0; + break; + case XGBE_RN_PCI_DEVICE_ID: + pdata->xpcs_window_def_reg = PCS_V3_RN_WINDOW_DEF; + pdata->xpcs_window_sel_reg = PCS_V3_RN_WINDOW_SELECT; + break; + default: + pdata->xpcs_window_def_reg = PCS_V2_WINDOW_DEF; + pdata->xpcs_window_sel_reg = PCS_V2_WINDOW_SELECT; + break; + } } else { pdata->xpcs_window_def_reg = PCS_V2_WINDOW_DEF; pdata->xpcs_window_sel_reg = PCS_V2_WINDOW_SELECT; @@ -295,7 +198,22 @@ static int xgbe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) pci_dev_put(rdev); /* Configure the PCS indirect addressing support */ - reg = XPCS32_IOREAD(pdata, pdata->xpcs_window_def_reg); + if (pdata->vdata->xpcs_access == XGBE_XPCS_ACCESS_V3) { + reg = XP_IOREAD(pdata, XP_PROP_0); + port_addr_size = PCS_RN_PORT_ADDR_SIZE * + XP_GET_BITS(reg, XP_PROP_0, PORT_ID); + pdata->smn_base = PCS_RN_SMN_BASE_ADDR + port_addr_size; + + address = pdata->smn_base + (pdata->xpcs_window_def_reg); + ret = amd_smn_read(0, address, ®); + if (ret) { + pci_err(pdata->pcidev, "Failed to read data\n"); + goto err_pci_enable; + } + } else { + reg = XPCS32_IOREAD(pdata, pdata->xpcs_window_def_reg); + } + pdata->xpcs_window = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, OFFSET); pdata->xpcs_window <<= 6; pdata->xpcs_window_size = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, SIZE); @@ -473,6 +391,22 @@ static int __maybe_unused xgbe_pci_resume(struct device *dev) return ret; } +static struct xgbe_version_data xgbe_v3 = { + .init_function_ptrs_phy_impl = xgbe_init_function_ptrs_phy_v2, + .xpcs_access = XGBE_XPCS_ACCESS_V3, + .mmc_64bit = 1, + .tx_max_fifo_size = 65536, + .rx_max_fifo_size = 65536, + .tx_tstamp_workaround = 1, + .ecc_support = 1, + .i2c_support = 1, + .irq_reissue_support = 1, + .tx_desc_prefetch = 5, + .rx_desc_prefetch = 5, + .an_cdr_workaround = 0, + .enable_rrc = 0, +}; + static struct xgbe_version_data xgbe_v2a = { .init_function_ptrs_phy_impl = xgbe_init_function_ptrs_phy_v2, .xpcs_access = XGBE_XPCS_ACCESS_V2, @@ -510,6 +444,8 @@ static const struct pci_device_id xgbe_pci_table[] = { .driver_data = (kernel_ulong_t)&xgbe_v2a }, { PCI_VDEVICE(AMD, 0x1459), .driver_data = (kernel_ulong_t)&xgbe_v2b }, + { PCI_VDEVICE(AMD, 0x1641), + .driver_data = (kernel_ulong_t)&xgbe_v3 }, /* Last entry must be zero */ { 0, } }; |