1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Copyright (C) 2018 Marvell International Ltd. 4 */ 5 6#include <dm.h> 7#include <errno.h> 8#include <malloc.h> 9#include <misc.h> 10#include <net.h> 11#include <pci_ids.h> 12#include <asm/io.h> 13#include <asm/types.h> 14#include <asm/arch/board.h> 15#include "cgx.h" 16#include "nix.h" 17 18extern struct udevice *rvu_af_dev; 19 20int rvu_pf_init(struct rvu_pf *rvu) 21{ 22 struct nix *nix; 23 struct eth_pdata *pdata = dev_get_plat(rvu->dev); 24 25 debug("%s: Allocating nix lf\n", __func__); 26 nix = nix_lf_alloc(rvu->dev); 27 if (!nix) { 28 printf("%s: Error allocating lf for pf %d\n", 29 __func__, rvu->pfid); 30 return -1; 31 } 32 rvu->nix = nix; 33 34 /* to make post_probe happy */ 35 if (is_valid_ethaddr(nix->lmac->mac_addr)) { 36 memcpy(pdata->enetaddr, nix->lmac->mac_addr, 6); 37 eth_env_set_enetaddr_by_index("eth", dev_seq(rvu->dev), 38 pdata->enetaddr); 39 } 40 41 return 0; 42} 43 44static const struct eth_ops nix_eth_ops = { 45 .start = nix_lf_init, 46 .send = nix_lf_xmit, 47 .recv = nix_lf_recv, 48 .free_pkt = nix_lf_free_pkt, 49 .stop = nix_lf_halt, 50 .write_hwaddr = nix_lf_setup_mac, 51}; 52 53int rvu_pf_probe(struct udevice *dev) 54{ 55 struct rvu_pf *rvu = dev_get_priv(dev); 56 int err; 57 char name[16]; 58 59 debug("%s: name: %s\n", __func__, dev->name); 60 61 rvu->pf_base = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_2, 0, 0, 62 PCI_REGION_TYPE, PCI_REGION_MEM); 63 rvu->pfid = dev_seq(dev) + 1; // RVU PF's start from 1; 64 rvu->dev = dev; 65 if (!rvu_af_dev) { 66 printf("%s: Error: Could not find RVU AF device\n", 67 __func__); 68 return -1; 69 } 70 rvu->afdev = rvu_af_dev; 71 72 debug("RVU PF %u BAR2 %p\n", rvu->pfid, rvu->pf_base); 73 74 rvu_get_lfid_for_pf(rvu->pfid, &rvu->nix_lfid, &rvu->npa_lfid); 75 76 err = rvu_pf_init(rvu); 77 if (err) 78 printf("%s: Error %d adding nix\n", __func__, err); 79 80 /* 81 * modify device name to include index/sequence number, 82 * for better readability, this is 1:1 mapping with eth0/1/2.. names. 83 */ 84 sprintf(name, "rvu_pf#%d", dev_seq(dev)); 85 device_set_name(dev, name); 86 debug("%s: name: %s\n", __func__, dev->name); 87 return err; 88} 89 90int rvu_pf_remove(struct udevice *dev) 91{ 92 struct rvu_pf *rvu = dev_get_priv(dev); 93 94 nix_lf_shutdown(rvu->nix); 95 npa_lf_shutdown(rvu->nix); 96 97 debug("%s: rvu pf%d down --\n", __func__, rvu->pfid); 98 99 return 0; 100} 101 102U_BOOT_DRIVER(rvu_pf) = { 103 .name = "rvu_pf", 104 .id = UCLASS_ETH, 105 .probe = rvu_pf_probe, 106 .remove = rvu_pf_remove, 107 .ops = &nix_eth_ops, 108 .priv_auto = sizeof(struct rvu_pf), 109 .plat_auto = sizeof(struct eth_pdata), 110}; 111 112static struct pci_device_id rvu_pf_supported[] = { 113 { PCI_VDEVICE(CAVIUM, PCI_DEVICE_ID_CAVIUM_RVU_PF) }, 114 {} 115}; 116 117U_BOOT_PCI_DEVICE(rvu_pf, rvu_pf_supported); 118