556 lines
13 KiB
C
556 lines
13 KiB
C
/*-
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* Copyright (c) 2011-2012 Semihalf.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/rman.h>
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#include <sys/malloc.h>
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#include <dev/fdt/simplebus.h>
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#include <dev/ofw/ofw_bus.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 "opt_platform.h"
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#include <contrib/ncsw/inc/Peripherals/fm_ext.h>
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#include <contrib/ncsw/inc/Peripherals/fm_muram_ext.h>
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#include <contrib/ncsw/inc/ncsw_ext.h>
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#include <contrib/ncsw/integrations/fman_ucode.h>
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#include "fman.h"
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static MALLOC_DEFINE(M_FMAN, "fman", "fman devices information");
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/**
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* @group FMan private defines.
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* @{
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*/
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enum fman_irq_enum {
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FMAN_IRQ_NUM = 0,
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FMAN_ERR_IRQ_NUM = 1
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};
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enum fman_mu_ram_map {
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FMAN_MURAM_OFF = 0x0,
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FMAN_MURAM_SIZE = 0x28000
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};
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struct fman_config {
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device_t fman_device;
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uintptr_t mem_base_addr;
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uintptr_t irq_num;
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uintptr_t err_irq_num;
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uint8_t fm_id;
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t_FmExceptionsCallback *exception_callback;
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t_FmBusErrorCallback *bus_error_callback;
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};
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/**
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* @group FMan private methods/members.
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* @{
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*/
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/**
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* Frame Manager firmware.
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* We use the same firmware for both P3041 and P2041 devices.
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*/
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const uint32_t fman_firmware[] = FMAN_UC_IMG;
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const uint32_t fman_firmware_size = sizeof(fman_firmware);
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int
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fman_activate_resource(device_t bus, device_t child, int type, int rid,
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struct resource *res)
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{
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struct fman_softc *sc;
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bus_space_tag_t bt;
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bus_space_handle_t bh;
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int i, rv;
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sc = device_get_softc(bus);
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if (type != SYS_RES_IRQ) {
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for (i = 0; i < sc->sc_base.nranges; i++) {
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if (rman_is_region_manager(res, &sc->rman) != 0) {
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bt = rman_get_bustag(sc->mem_res);
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rv = bus_space_subregion(bt,
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rman_get_bushandle(sc->mem_res),
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rman_get_start(res) -
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rman_get_start(sc->mem_res),
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rman_get_size(res), &bh);
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if (rv != 0)
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return (rv);
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rman_set_bustag(res, bt);
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rman_set_bushandle(res, bh);
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return (rman_activate_resource(res));
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}
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}
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return (EINVAL);
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}
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return (bus_generic_activate_resource(bus, child, type, rid, res));
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}
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int
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fman_release_resource(device_t bus, device_t child, int type, int rid,
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struct resource *res)
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{
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struct resource_list *rl;
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struct resource_list_entry *rle;
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int passthrough, rv;
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passthrough = (device_get_parent(child) != bus);
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rl = BUS_GET_RESOURCE_LIST(bus, child);
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if (type != SYS_RES_IRQ) {
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if ((rman_get_flags(res) & RF_ACTIVE) != 0 ){
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rv = bus_deactivate_resource(child, type, rid, res);
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if (rv != 0)
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return (rv);
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}
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rv = rman_release_resource(res);
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if (rv != 0)
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return (rv);
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if (!passthrough) {
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rle = resource_list_find(rl, type, rid);
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KASSERT(rle != NULL,
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("%s: resource entry not found!", __func__));
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KASSERT(rle->res != NULL,
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("%s: resource entry is not busy", __func__));
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rle->res = NULL;
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}
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return (0);
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}
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return (resource_list_release(rl, bus, child, type, rid, res));
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}
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struct resource *
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fman_alloc_resource(device_t bus, device_t child, int type, int *rid,
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rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
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{
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struct fman_softc *sc;
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struct resource_list *rl;
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struct resource_list_entry *rle = NULL;
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struct resource *res;
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int i, isdefault, passthrough;
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isdefault = RMAN_IS_DEFAULT_RANGE(start, end);
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passthrough = (device_get_parent(child) != bus);
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sc = device_get_softc(bus);
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rl = BUS_GET_RESOURCE_LIST(bus, child);
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switch (type) {
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case SYS_RES_MEMORY:
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KASSERT(!(isdefault && passthrough),
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("%s: passthrough of default allocation", __func__));
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if (!passthrough) {
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rle = resource_list_find(rl, type, *rid);
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if (rle == NULL)
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return (NULL);
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KASSERT(rle->res == NULL,
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("%s: resource entry is busy", __func__));
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if (isdefault) {
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start = rle->start;
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count = ulmax(count, rle->count);
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end = ulmax(rle->end, start + count - 1);
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}
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}
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res = NULL;
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/* Map fman ranges to nexus ranges. */
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for (i = 0; i < sc->sc_base.nranges; i++) {
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if (start >= sc->sc_base.ranges[i].bus && end <
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sc->sc_base.ranges[i].bus + sc->sc_base.ranges[i].size) {
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start += rman_get_start(sc->mem_res);
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end += rman_get_start(sc->mem_res);
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res = rman_reserve_resource(&sc->rman, start,
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end, count, flags & ~RF_ACTIVE, child);
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if (res == NULL)
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return (NULL);
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rman_set_rid(res, *rid);
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if ((flags & RF_ACTIVE) != 0 && bus_activate_resource(
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child, type, *rid, res) != 0) {
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rman_release_resource(res);
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return (NULL);
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}
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break;
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}
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}
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if (!passthrough)
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rle->res = res;
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return (res);
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case SYS_RES_IRQ:
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return (resource_list_alloc(rl, bus, child, type, rid, start,
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end, count, flags));
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}
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return (NULL);
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}
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static int
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fman_fill_ranges(phandle_t node, struct simplebus_softc *sc)
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{
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int host_address_cells;
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cell_t *base_ranges;
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ssize_t nbase_ranges;
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int err;
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int i, j, k;
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err = OF_searchencprop(OF_parent(node), "#address-cells",
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&host_address_cells, sizeof(host_address_cells));
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if (err <= 0)
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return (-1);
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nbase_ranges = OF_getproplen(node, "ranges");
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if (nbase_ranges < 0)
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return (-1);
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sc->nranges = nbase_ranges / sizeof(cell_t) /
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(sc->acells + host_address_cells + sc->scells);
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if (sc->nranges == 0)
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return (0);
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sc->ranges = malloc(sc->nranges * sizeof(sc->ranges[0]),
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M_DEVBUF, M_WAITOK);
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base_ranges = malloc(nbase_ranges, M_DEVBUF, M_WAITOK);
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OF_getencprop(node, "ranges", base_ranges, nbase_ranges);
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for (i = 0, j = 0; i < sc->nranges; i++) {
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sc->ranges[i].bus = 0;
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for (k = 0; k < sc->acells; k++) {
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sc->ranges[i].bus <<= 32;
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sc->ranges[i].bus |= base_ranges[j++];
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}
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sc->ranges[i].host = 0;
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for (k = 0; k < host_address_cells; k++) {
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sc->ranges[i].host <<= 32;
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sc->ranges[i].host |= base_ranges[j++];
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}
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sc->ranges[i].size = 0;
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for (k = 0; k < sc->scells; k++) {
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sc->ranges[i].size <<= 32;
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sc->ranges[i].size |= base_ranges[j++];
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}
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}
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free(base_ranges, M_DEVBUF);
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return (sc->nranges);
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}
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static t_Handle
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fman_init(struct fman_softc *sc, struct fman_config *cfg)
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{
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phandle_t node;
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t_FmParams fm_params;
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t_Handle muram_handle, fm_handle;
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t_Error error;
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t_FmRevisionInfo revision_info;
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uint16_t clock;
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uint32_t tmp, mod;
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/* MURAM configuration */
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muram_handle = FM_MURAM_ConfigAndInit(cfg->mem_base_addr +
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FMAN_MURAM_OFF, FMAN_MURAM_SIZE);
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if (muram_handle == NULL) {
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device_printf(cfg->fman_device, "couldn't init FM MURAM module"
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"\n");
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return (NULL);
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}
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sc->muram_handle = muram_handle;
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/* Fill in FM configuration */
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fm_params.fmId = cfg->fm_id;
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/* XXX we support only one partition thus each fman has master id */
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fm_params.guestId = NCSW_MASTER_ID;
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fm_params.baseAddr = cfg->mem_base_addr;
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fm_params.h_FmMuram = muram_handle;
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/* Get FMan clock in Hz */
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if ((tmp = fman_get_clock(sc)) == 0)
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return (NULL);
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/* Convert FMan clock to MHz */
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clock = (uint16_t)(tmp / 1000000);
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mod = tmp % 1000000;
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if (mod >= 500000)
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++clock;
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fm_params.fmClkFreq = clock;
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fm_params.f_Exception = cfg->exception_callback;
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fm_params.f_BusError = cfg->bus_error_callback;
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fm_params.h_App = cfg->fman_device;
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fm_params.irq = cfg->irq_num;
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fm_params.errIrq = cfg->err_irq_num;
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fm_params.firmware.size = fman_firmware_size;
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fm_params.firmware.p_Code = (uint32_t*)fman_firmware;
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fm_handle = FM_Config(&fm_params);
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if (fm_handle == NULL) {
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device_printf(cfg->fman_device, "couldn't configure FM "
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"module\n");
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goto err;
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}
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FM_ConfigResetOnInit(fm_handle, TRUE);
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error = FM_Init(fm_handle);
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if (error != E_OK) {
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device_printf(cfg->fman_device, "couldn't init FM module\n");
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goto err2;
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}
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error = FM_GetRevision(fm_handle, &revision_info);
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if (error != E_OK) {
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device_printf(cfg->fman_device, "couldn't get FM revision\n");
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goto err2;
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}
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device_printf(cfg->fman_device, "Hardware version: %d.%d.\n",
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revision_info.majorRev, revision_info.minorRev);
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/* Initialize the simplebus part of things */
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simplebus_init(sc->sc_base.dev, 0);
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node = ofw_bus_get_node(sc->sc_base.dev);
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fman_fill_ranges(node, &sc->sc_base);
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sc->rman.rm_type = RMAN_ARRAY;
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sc->rman.rm_descr = "FMan range";
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rman_init_from_resource(&sc->rman, sc->mem_res);
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for (node = OF_child(node); node > 0; node = OF_peer(node)) {
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simplebus_add_device(sc->sc_base.dev, node, 0, NULL, -1, NULL);
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}
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return (fm_handle);
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err2:
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FM_Free(fm_handle);
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err:
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FM_MURAM_Free(muram_handle);
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return (NULL);
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}
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static void
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fman_exception_callback(t_Handle app_handle, e_FmExceptions exception)
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{
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struct fman_softc *sc;
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sc = app_handle;
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device_printf(sc->sc_base.dev, "FMan exception occurred.\n");
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}
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static void
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fman_error_callback(t_Handle app_handle, e_FmPortType port_type,
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uint8_t port_id, uint64_t addr, uint8_t tnum, uint16_t liodn)
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{
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struct fman_softc *sc;
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sc = app_handle;
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device_printf(sc->sc_base.dev, "FMan error occurred.\n");
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}
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/** @} */
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/**
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* @group FMan driver interface.
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* @{
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*/
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int
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fman_get_handle(device_t dev, t_Handle *fmh)
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{
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struct fman_softc *sc = device_get_softc(dev);
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*fmh = sc->fm_handle;
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return (0);
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}
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int
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fman_get_muram_handle(device_t dev, t_Handle *muramh)
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{
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struct fman_softc *sc = device_get_softc(dev);
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*muramh = sc->muram_handle;
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return (0);
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}
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int
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fman_get_bushandle(device_t dev, vm_offset_t *fm_base)
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{
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struct fman_softc *sc = device_get_softc(dev);
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*fm_base = rman_get_bushandle(sc->mem_res);
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return (0);
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}
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int
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fman_attach(device_t dev)
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{
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struct fman_softc *sc;
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struct fman_config cfg;
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pcell_t qchan_range[2];
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phandle_t node;
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sc = device_get_softc(dev);
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sc->sc_base.dev = dev;
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/* Check if MallocSmart allocator is ready */
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if (XX_MallocSmartInit() != E_OK) {
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device_printf(dev, "could not initialize smart allocator.\n");
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return (ENXIO);
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}
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node = ofw_bus_get_node(dev);
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if (OF_getencprop(node, "fsl,qman-channel-range", qchan_range,
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sizeof(qchan_range)) <= 0) {
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device_printf(dev, "Missing QMan channel range property!\n");
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return (ENXIO);
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}
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sc->qman_chan_base = qchan_range[0];
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sc->qman_chan_count = qchan_range[1];
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sc->mem_rid = 0;
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sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid,
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RF_ACTIVE | RF_SHAREABLE);
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if (!sc->mem_res) {
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device_printf(dev, "could not allocate memory.\n");
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return (ENXIO);
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}
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sc->irq_rid = 0;
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sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
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RF_ACTIVE);
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if (!sc->irq_res) {
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device_printf(dev, "could not allocate interrupt.\n");
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goto err;
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}
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sc->err_irq_rid = 1;
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sc->err_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
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&sc->err_irq_rid, RF_ACTIVE | RF_SHAREABLE);
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if (!sc->err_irq_res) {
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device_printf(dev, "could not allocate error interrupt.\n");
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goto err;
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}
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/* Set FMan configuration */
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cfg.fman_device = dev;
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cfg.fm_id = device_get_unit(dev);
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cfg.mem_base_addr = rman_get_bushandle(sc->mem_res);
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cfg.irq_num = (uintptr_t)sc->irq_res;
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cfg.err_irq_num = (uintptr_t)sc->err_irq_res;
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cfg.exception_callback = fman_exception_callback;
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cfg.bus_error_callback = fman_error_callback;
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sc->fm_handle = fman_init(sc, &cfg);
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if (sc->fm_handle == NULL) {
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device_printf(dev, "could not be configured\n");
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goto err;
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}
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return (bus_generic_attach(dev));
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err:
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fman_detach(dev);
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return (ENXIO);
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}
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int
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fman_detach(device_t dev)
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{
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struct fman_softc *sc;
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sc = device_get_softc(dev);
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if (sc->muram_handle) {
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FM_MURAM_Free(sc->muram_handle);
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}
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if (sc->fm_handle) {
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FM_Free(sc->fm_handle);
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}
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if (sc->mem_res) {
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bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid,
|
|
sc->mem_res);
|
|
}
|
|
|
|
if (sc->irq_res) {
|
|
bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid,
|
|
sc->irq_res);
|
|
}
|
|
|
|
if (sc->irq_res) {
|
|
bus_release_resource(dev, SYS_RES_IRQ, sc->err_irq_rid,
|
|
sc->err_irq_res);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
fman_suspend(device_t dev)
|
|
{
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
fman_resume_dev(device_t dev)
|
|
{
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
fman_shutdown(device_t dev)
|
|
{
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
fman_qman_channel_id(device_t dev, int port)
|
|
{
|
|
struct fman_softc *sc;
|
|
int qman_port_id[] = {0x31, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e,
|
|
0x2f, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07};
|
|
int i;
|
|
|
|
sc = device_get_softc(dev);
|
|
for (i = 0; i < sc->qman_chan_count; i++) {
|
|
if (qman_port_id[i] == port)
|
|
return (sc->qman_chan_base + i);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
/** @} */
|