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Justin Hibbits
5d884fc076
There are several port functions that are only for one type or the other, so they don't make sense to be together. Splitting these up also simplifies adding support for the Offline/Host Command ports.
98 lines
1.9 KiB
C
98 lines
1.9 KiB
C
/*
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* Copyright (c) 2026 Justin Hibbits
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Shared bits of the FMan port drivers.
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*/
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <dev/ofw/ofw_bus_subr.h>
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#include <machine/bus.h>
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#include "fman.h"
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#include "fman_port.h"
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#include "fman_port_var.h"
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#include "fman_if.h"
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int
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fman_port_attach_common(device_t dev, struct fman_port_softc *sc,
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int port_speed)
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{
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phandle_t node;
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pcell_t cell;
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sc->sc_dev = dev;
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node = ofw_bus_get_node(dev);
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if (OF_getencprop(node, "cell-index", &cell, sizeof(cell)) < 0) {
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device_printf(dev, "No cell-index property\n");
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return (ENXIO);
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}
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sc->sc_port_id = cell;
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sc->sc_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 0,
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RF_ACTIVE | RF_SHAREABLE);
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if (sc->sc_mem == NULL) {
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device_printf(dev, "failed to allocate MMIO\n");
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return (ENXIO);
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}
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FMAN_GET_REVISION(device_get_parent(dev),
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&sc->sc_revision_major, &sc->sc_revision_minor);
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sc->sc_port_speed = port_speed;
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sc->sc_bm_max_pools = MAX_BM_POOLS;
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sc->sc_max_frame_length = PORT_MAX_FRAME_LENGTH;
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OF_device_register_xref(OF_xref_from_node(node), dev);
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return (0);
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}
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int
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fman_port_detach_common(device_t dev, struct fman_port_softc *sc)
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{
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if (sc->sc_mem != NULL)
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bus_release_resource(dev, sc->sc_mem);
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return (0);
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}
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void
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fman_port_config_common(struct fman_port_softc *sc,
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struct fman_port_params *params)
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{
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sc->sc_default_fqid = params->dflt_fqid;
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sc->sc_err_fqid = params->err_fqid;
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sc->sc_max_port_fifo_size =
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FMAN_GET_BMI_MAX_FIFO_SIZE(device_get_parent(sc->sc_dev));
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switch (sc->sc_revision_major) {
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case 2:
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case 3:
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sc->sc_max_ext_portals = 4;
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sc->sc_max_sub_portals = 12;
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break;
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case 6:
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sc->sc_max_ext_portals = 8;
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sc->sc_max_sub_portals = 16;
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break;
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}
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}
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int
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fman_port_get_id(device_t dev)
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{
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struct fman_port_softc *sc = device_get_softc(dev);
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return (sc->sc_port_id);
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}
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