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https://github.com/u-boot/u-boot.git
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12507a2d22
Evolve dm_pci_map_bar() to include an offset and length parameter. These allow a portion of the memory to be mapped and range checks to be applied. Passing both the offset and length as zero results in the previous behaviour and this is used to migrate the previous callers. Signed-off-by: Andrew Scull <ascull@google.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
116 lines
2.6 KiB
C
116 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, 0, 0, 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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