117 lines
2.6 KiB
C
117 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2018 Marvell International Ltd.
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*/
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#include <dm.h>
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#include <errno.h>
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#include <malloc.h>
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#include <misc.h>
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#include <net.h>
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#include <pci_ids.h>
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#include <asm/io.h>
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#include <asm/types.h>
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#include <asm/arch/board.h>
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#include "cgx.h"
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#include "nix.h"
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extern struct udevice *rvu_af_dev;
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int rvu_pf_init(struct rvu_pf *rvu)
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{
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struct nix *nix;
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struct eth_pdata *pdata = dev_get_plat(rvu->dev);
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debug("%s: Allocating nix lf\n", __func__);
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nix = nix_lf_alloc(rvu->dev);
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if (!nix) {
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printf("%s: Error allocating lf for pf %d\n",
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__func__, rvu->pfid);
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return -1;
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}
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rvu->nix = nix;
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/* to make post_probe happy */
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if (is_valid_ethaddr(nix->lmac->mac_addr)) {
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memcpy(pdata->enetaddr, nix->lmac->mac_addr, 6);
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eth_env_set_enetaddr_by_index("eth", dev_seq(rvu->dev),
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pdata->enetaddr);
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}
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return 0;
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}
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static const struct eth_ops nix_eth_ops = {
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.start = nix_lf_init,
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.send = nix_lf_xmit,
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.recv = nix_lf_recv,
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.free_pkt = nix_lf_free_pkt,
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.stop = nix_lf_halt,
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.write_hwaddr = nix_lf_setup_mac,
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};
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int rvu_pf_probe(struct udevice *dev)
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{
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struct rvu_pf *rvu = dev_get_priv(dev);
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int err;
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char name[16];
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debug("%s: name: %s\n", __func__, dev->name);
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rvu->pf_base = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_2, PCI_REGION_MEM);
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rvu->pfid = dev_seq(dev) + 1; // RVU PF's start from 1;
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rvu->dev = dev;
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if (!rvu_af_dev) {
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printf("%s: Error: Could not find RVU AF device\n",
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__func__);
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return -1;
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}
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rvu->afdev = rvu_af_dev;
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debug("RVU PF %u BAR2 %p\n", rvu->pfid, rvu->pf_base);
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rvu_get_lfid_for_pf(rvu->pfid, &rvu->nix_lfid, &rvu->npa_lfid);
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err = rvu_pf_init(rvu);
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if (err)
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printf("%s: Error %d adding nix\n", __func__, err);
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/*
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* modify device name to include index/sequence number,
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* for better readability, this is 1:1 mapping with eth0/1/2.. names.
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*/
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sprintf(name, "rvu_pf#%d", dev_seq(dev));
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device_set_name(dev, name);
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debug("%s: name: %s\n", __func__, dev->name);
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return err;
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}
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int rvu_pf_remove(struct udevice *dev)
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{
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struct rvu_pf *rvu = dev_get_priv(dev);
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nix_lf_shutdown(rvu->nix);
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npa_lf_shutdown(rvu->nix);
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debug("%s: rvu pf%d down --\n", __func__, rvu->pfid);
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return 0;
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}
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U_BOOT_DRIVER(rvu_pf) = {
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.name = "rvu_pf",
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.id = UCLASS_ETH,
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.probe = rvu_pf_probe,
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.remove = rvu_pf_remove,
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.ops = &nix_eth_ops,
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.priv_auto = sizeof(struct rvu_pf),
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.plat_auto = sizeof(struct eth_pdata),
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};
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static struct pci_device_id rvu_pf_supported[] = {
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{ PCI_VDEVICE(CAVIUM, PCI_DEVICE_ID_CAVIUM_RVU_PF) },
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{}
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};
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U_BOOT_PCI_DEVICE(rvu_pf, rvu_pf_supported);
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