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-rw-r--r--sys/dev/dpaa/fman.c357
1 files changed, 357 insertions, 0 deletions
diff --git a/sys/dev/dpaa/fman.c b/sys/dev/dpaa/fman.c
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+++ b/sys/dev/dpaa/fman.c
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+/*-
+ * Copyright (c) 2011-2012 Semihalf.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/bus.h>
+#include <sys/rman.h>
+#include <sys/malloc.h>
+
+#include <dev/fdt/fdt_common.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include "opt_platform.h"
+
+#include <contrib/ncsw/inc/Peripherals/fm_ext.h>
+#include <contrib/ncsw/inc/Peripherals/fm_muram_ext.h>
+#include <contrib/ncsw/inc/ncsw_ext.h>
+#include <contrib/ncsw/integrations/fman_ucode.h>
+
+#include "fman.h"
+
+
+/**
+ * @group FMan private defines.
+ * @{
+ */
+enum fman_irq_enum {
+ FMAN_IRQ_NUM = 0,
+ FMAN_ERR_IRQ_NUM = 1
+};
+
+enum fman_mu_ram_map {
+ FMAN_MURAM_OFF = 0x0,
+ FMAN_MURAM_SIZE = 0x28000
+};
+
+struct fman_config {
+ device_t fman_device;
+ uintptr_t mem_base_addr;
+ int irq_num;
+ int err_irq_num;
+ uint8_t fm_id;
+ t_FmExceptionsCallback *exception_callback;
+ t_FmBusErrorCallback *bus_error_callback;
+};
+
+/**
+ * @group FMan private methods/members.
+ * @{
+ */
+/**
+ * Frame Manager firmware.
+ * We use the same firmware for both P3041 and P2041 devices.
+ */
+const uint32_t fman_firmware[] = FMAN_UC_IMG;
+const uint32_t fman_firmware_size = sizeof(fman_firmware);
+static struct fman_softc *fm_sc = NULL;
+
+static t_Handle
+fman_init(struct fman_softc *sc, struct fman_config *cfg)
+{
+ t_FmParams fm_params;
+ t_Handle muram_handle, fm_handle;
+ t_Error error;
+ t_FmRevisionInfo revision_info;
+ uint16_t clock;
+ uint32_t tmp, mod;
+
+ /* MURAM configuration */
+ muram_handle = FM_MURAM_ConfigAndInit(cfg->mem_base_addr +
+ FMAN_MURAM_OFF, FMAN_MURAM_SIZE);
+ if (muram_handle == NULL) {
+ device_printf(cfg->fman_device, "couldn't init FM MURAM module"
+ "\n");
+ return (NULL);
+ }
+ sc->muram_handle = muram_handle;
+
+ /* Fill in FM configuration */
+ fm_params.fmId = cfg->fm_id;
+ /* XXX we support only one partition thus each fman has master id */
+ fm_params.guestId = NCSW_MASTER_ID;
+
+ fm_params.baseAddr = cfg->mem_base_addr;
+ fm_params.h_FmMuram = muram_handle;
+
+ /* Get FMan clock in Hz */
+ if ((tmp = fman_get_clock(sc)) == 0)
+ return (NULL);
+
+ /* Convert FMan clock to MHz */
+ clock = (uint16_t)(tmp / 1000000);
+ mod = tmp % 1000000;
+
+ if (mod >= 500000)
+ ++clock;
+
+ fm_params.fmClkFreq = clock;
+ fm_params.f_Exception = cfg->exception_callback;
+ fm_params.f_BusError = cfg->bus_error_callback;
+ fm_params.h_App = cfg->fman_device;
+ fm_params.irq = cfg->irq_num;
+ fm_params.errIrq = cfg->err_irq_num;
+
+ fm_params.firmware.size = fman_firmware_size;
+ fm_params.firmware.p_Code = (uint32_t*)fman_firmware;
+
+ fm_handle = FM_Config(&fm_params);
+ if (fm_handle == NULL) {
+ device_printf(cfg->fman_device, "couldn't configure FM "
+ "module\n");
+ goto err;
+ }
+
+ FM_ConfigResetOnInit(fm_handle, TRUE);
+
+ error = FM_Init(fm_handle);
+ if (error != E_OK) {
+ device_printf(cfg->fman_device, "couldn't init FM module\n");
+ goto err2;
+ }
+
+ error = FM_GetRevision(fm_handle, &revision_info);
+ if (error != E_OK) {
+ device_printf(cfg->fman_device, "couldn't get FM revision\n");
+ goto err2;
+ }
+
+ device_printf(cfg->fman_device, "Hardware version: %d.%d.\n",
+ revision_info.majorRev, revision_info.minorRev);
+
+ return (fm_handle);
+
+err2:
+ FM_Free(fm_handle);
+err:
+ FM_MURAM_Free(muram_handle);
+ return (NULL);
+}
+
+static void
+fman_exception_callback(t_Handle app_handle, e_FmExceptions exception)
+{
+ struct fman_softc *sc;
+
+ sc = app_handle;
+ device_printf(sc->dev, "FMan exception occurred.\n");
+}
+
+static void
+fman_error_callback(t_Handle app_handle, e_FmPortType port_type,
+ uint8_t port_id, uint64_t addr, uint8_t tnum, uint16_t liodn)
+{
+ struct fman_softc *sc;
+
+ sc = app_handle;
+ device_printf(sc->dev, "FMan error occurred.\n");
+}
+/** @} */
+
+
+/**
+ * @group FMan driver interface.
+ * @{
+ */
+
+int
+fman_get_handle(t_Handle *fmh)
+{
+
+ if (fm_sc == NULL)
+ return (ENOMEM);
+
+ *fmh = fm_sc->fm_handle;
+
+ return (0);
+}
+
+int
+fman_get_muram_handle(t_Handle *muramh)
+{
+
+ if (fm_sc == NULL)
+ return (ENOMEM);
+
+ *muramh = fm_sc->muram_handle;
+
+ return (0);
+}
+
+int
+fman_get_bushandle(vm_offset_t *fm_base)
+{
+
+ if (fm_sc == NULL)
+ return (ENOMEM);
+
+ *fm_base = rman_get_bushandle(fm_sc->mem_res);
+
+ return (0);
+}
+
+int
+fman_attach(device_t dev)
+{
+ struct fman_softc *sc;
+ struct fman_config cfg;
+
+ sc = device_get_softc(dev);
+ sc->dev = dev;
+ fm_sc = sc;
+
+ /* Check if MallocSmart allocator is ready */
+ if (XX_MallocSmartInit() != E_OK) {
+ device_printf(dev, "could not initialize smart allocator.\n");
+ return (ENXIO);
+ }
+
+ XX_TrackInit();
+
+ sc->mem_rid = 0;
+ sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid,
+ RF_ACTIVE);
+ if (!sc->mem_res) {
+ device_printf(dev, "could not allocate memory.\n");
+ return (ENXIO);
+ }
+
+ sc->irq_rid = 0;
+ sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
+ RF_ACTIVE);
+ if (!sc->irq_res) {
+ device_printf(dev, "could not allocate interrupt.\n");
+ goto err;
+ }
+
+ /*
+ * XXX: Fix FMan interrupt. This is workaround for the issue with
+ * interrupts directed to multiple CPUs by the interrupts subsystem.
+ * Workaround is to bind the interrupt to only one CPU0.
+ */
+ XX_FmanFixIntr(rman_get_start(sc->irq_res));
+
+ sc->err_irq_rid = 1;
+ sc->err_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
+ &sc->err_irq_rid, RF_ACTIVE | RF_SHAREABLE);
+ if (!sc->err_irq_res) {
+ device_printf(dev, "could not allocate error interrupt.\n");
+ goto err;
+ }
+
+ /* Set FMan configuration */
+ cfg.fman_device = dev;
+ cfg.fm_id = device_get_unit(dev);
+ cfg.mem_base_addr = rman_get_bushandle(sc->mem_res);
+ cfg.irq_num = (int)sc->irq_res;
+ cfg.err_irq_num = (int)sc->err_irq_res;
+ cfg.exception_callback = fman_exception_callback;
+ cfg.bus_error_callback = fman_error_callback;
+
+ sc->fm_handle = fman_init(sc, &cfg);
+ if (sc->fm_handle == NULL) {
+ device_printf(dev, "could not be configured\n");
+ return (ENXIO);
+ }
+
+ return (bus_generic_attach(dev));
+
+err:
+ fman_detach(dev);
+ return (ENXIO);
+}
+
+int
+fman_detach(device_t dev)
+{
+ struct fman_softc *sc;
+
+ sc = device_get_softc(dev);
+
+ if (sc->muram_handle) {
+ FM_MURAM_Free(sc->muram_handle);
+ }
+
+ if (sc->fm_handle) {
+ FM_Free(sc->fm_handle);
+ }
+
+ if (sc->mem_res) {
+ 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(device_t dev)
+{
+
+ return (0);
+}
+
+int
+fman_shutdown(device_t dev)
+{
+
+ return (0);
+}
+
+/** @} */
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