svn commit: r362011 - in head/sys: arm64/coresight conf
Ruslan Bukin
br at FreeBSD.org
Wed Jun 10 14:28:38 UTC 2020
Author: br
Date: Wed Jun 10 14:28:36 2020
New Revision: 362011
URL: https://svnweb.freebsd.org/changeset/base/362011
Log:
ARM Coresight Funnel device:
o Split-out FDT attachment to a separate file;
o Add ACPI attachment;
o Add support for the Static Funnel device.
Sponsored by: DARPA, AFRL
Added:
head/sys/arm64/coresight/coresight_funnel_acpi.c (contents, props changed)
head/sys/arm64/coresight/coresight_funnel_fdt.c (contents, props changed)
Modified:
head/sys/arm64/coresight/coresight_funnel.c
head/sys/arm64/coresight/coresight_funnel.h
head/sys/conf/files.arm64
Modified: head/sys/arm64/coresight/coresight_funnel.c
==============================================================================
--- head/sys/arm64/coresight/coresight_funnel.c Wed Jun 10 14:10:48 2020 (r362010)
+++ head/sys/arm64/coresight/coresight_funnel.c Wed Jun 10 14:28:36 2020 (r362011)
@@ -1,5 +1,5 @@
/*-
- * Copyright (c) 2018 Ruslan Bukin <br at bsdpad.com>
+ * Copyright (c) 2018-2020 Ruslan Bukin <br at bsdpad.com>
* All rights reserved.
*
* This software was developed by BAE Systems, the University of Cambridge
@@ -43,9 +43,6 @@ __FBSDID("$FreeBSD$");
#include <arm64/coresight/coresight.h>
#include <arm64/coresight/coresight_funnel.h>
-#include <dev/ofw/ofw_bus.h>
-#include <dev/ofw/ofw_bus_subr.h>
-
#include "coresight_if.h"
#define FUNNEL_DEBUG
@@ -57,16 +54,6 @@ __FBSDID("$FreeBSD$");
#define dprintf(fmt, ...)
#endif
-static struct ofw_compat_data compat_data[] = {
- { "arm,coresight-funnel", 1 },
- { NULL, 0 }
-};
-
-struct funnel_softc {
- struct resource *res;
- struct coresight_platform_data *pdata;
-};
-
static struct resource_spec funnel_spec[] = {
{ SYS_RES_MEMORY, 0, RF_ACTIVE },
{ -1, 0 }
@@ -78,10 +65,11 @@ funnel_init(device_t dev)
struct funnel_softc *sc;
sc = device_get_softc(dev);
+ if (sc->hwtype == HWTYPE_STATIC_FUNNEL)
+ return (0);
/* Unlock Coresight */
bus_write_4(sc->res, CORESIGHT_LAR, CORESIGHT_UNLOCK);
-
dprintf("Device ID: %x\n", bus_read_4(sc->res, FUNNEL_DEVICEID));
return (0);
@@ -95,6 +83,8 @@ funnel_enable(device_t dev, struct endpoint *endp,
uint32_t reg;
sc = device_get_softc(dev);
+ if (sc->hwtype == HWTYPE_STATIC_FUNNEL)
+ return (0);
reg = bus_read_4(sc->res, FUNNEL_FUNCTL);
reg &= ~(FUNCTL_HOLDTIME_MASK);
@@ -113,6 +103,8 @@ funnel_disable(device_t dev, struct endpoint *endp,
uint32_t reg;
sc = device_get_softc(dev);
+ if (sc->hwtype == HWTYPE_STATIC_FUNNEL)
+ return;
reg = bus_read_4(sc->res, FUNNEL_FUNCTL);
reg &= ~(1 << endp->reg);
@@ -120,29 +112,14 @@ funnel_disable(device_t dev, struct endpoint *endp,
}
static int
-funnel_probe(device_t dev)
-{
-
- if (!ofw_bus_status_okay(dev))
- return (ENXIO);
-
- if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
- return (ENXIO);
-
- device_set_desc(dev, "Coresight Funnel");
-
- return (BUS_PROBE_DEFAULT);
-}
-
-static int
funnel_attach(device_t dev)
{
struct coresight_desc desc;
struct funnel_softc *sc;
sc = device_get_softc(dev);
-
- if (bus_alloc_resources(dev, funnel_spec, &sc->res) != 0) {
+ if (sc->hwtype == HWTYPE_FUNNEL &&
+ bus_alloc_resources(dev, funnel_spec, &sc->res) != 0) {
device_printf(dev, "cannot allocate resources for device\n");
return (ENXIO);
}
@@ -158,7 +135,6 @@ funnel_attach(device_t dev)
static device_method_t funnel_methods[] = {
/* Device interface */
- DEVMETHOD(device_probe, funnel_probe),
DEVMETHOD(device_attach, funnel_attach),
/* Coresight interface */
@@ -168,13 +144,5 @@ static device_method_t funnel_methods[] = {
DEVMETHOD_END
};
-static driver_t funnel_driver = {
- "funnel",
- funnel_methods,
- sizeof(struct funnel_softc),
-};
-
-static devclass_t funnel_devclass;
-
-DRIVER_MODULE(funnel, simplebus, funnel_driver, funnel_devclass, 0, 0);
-MODULE_VERSION(funnel, 1);
+DEFINE_CLASS_0(funnel, funnel_driver, funnel_methods,
+ sizeof(struct funnel_softc));
Modified: head/sys/arm64/coresight/coresight_funnel.h
==============================================================================
--- head/sys/arm64/coresight/coresight_funnel.h Wed Jun 10 14:10:48 2020 (r362010)
+++ head/sys/arm64/coresight/coresight_funnel.h Wed Jun 10 14:28:36 2020 (r362011)
@@ -1,5 +1,5 @@
/*-
- * Copyright (c) 2018 Ruslan Bukin <br at bsdpad.com>
+ * Copyright (c) 2018-2020 Ruslan Bukin <br at bsdpad.com>
* All rights reserved.
*
* This software was developed by BAE Systems, the University of Cambridge
@@ -62,5 +62,17 @@
#define FUNNEL_COMP1 0xFF4 /* Component ID1 */
#define FUNNEL_COMP2 0xFF8 /* Component ID2 */
#define FUNNEL_COMP3 0xFFC /* Component ID3 */
+
+#define HWTYPE_NONE 0
+#define HWTYPE_FUNNEL 1
+#define HWTYPE_STATIC_FUNNEL 2
+
+DECLARE_CLASS(funnel_driver);
+
+struct funnel_softc {
+ struct resource *res;
+ struct coresight_platform_data *pdata;
+ int hwtype;
+};
#endif /* !_ARM64_CORESIGHT_CORESIGHT_FUNNEL_H_ */
Added: head/sys/arm64/coresight/coresight_funnel_acpi.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/arm64/coresight/coresight_funnel_acpi.c Wed Jun 10 14:28:36 2020 (r362011)
@@ -0,0 +1,95 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2020 Ruslan Bukin <br at bsdpad.com>
+ *
+ * This software was developed by SRI International and the University of
+ * Cambridge Computer Laboratory (Department of Computer Science and
+ * Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the
+ * DARPA SSITH research programme.
+ *
+ * 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 "opt_acpi.h"
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/memdesc.h>
+#include <sys/module.h>
+#include <sys/rman.h>
+
+#include <contrib/dev/acpica/include/acpi.h>
+#include <dev/acpica/acpivar.h>
+
+#include <arm64/coresight/coresight_funnel.h>
+
+static int
+funnel_acpi_probe(device_t dev)
+{
+ struct funnel_softc *sc;
+ static char *static_funnel_ids[] = { "ARMHC9FE", NULL };
+ static char *funnel_ids[] = { "ARMHC9FF", NULL };
+ int error;
+
+ sc = device_get_softc(dev);
+
+ error = ACPI_ID_PROBE(device_get_parent(dev), dev,
+ static_funnel_ids, NULL);
+ if (error <= 0) {
+ sc->hwtype = HWTYPE_STATIC_FUNNEL;
+ device_set_desc(dev, "ARM Coresight Static Funnel");
+ return (error);
+ }
+
+ error = ACPI_ID_PROBE(device_get_parent(dev), dev,
+ funnel_ids, NULL);
+ if (error <= 0) {
+ sc->hwtype = HWTYPE_FUNNEL;
+ device_set_desc(dev, "ARM Coresight Funnel");
+ return (error);
+ }
+
+ return (ENXIO);
+}
+
+static device_method_t funnel_acpi_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, funnel_acpi_probe),
+
+ /* End */
+ DEVMETHOD_END
+};
+
+DEFINE_CLASS_1(funnel, funnel_acpi_driver, funnel_acpi_methods,
+ sizeof(struct funnel_softc), funnel_driver);
+
+static devclass_t funnel_acpi_devclass;
+
+EARLY_DRIVER_MODULE(funnel, acpi, funnel_acpi_driver, funnel_acpi_devclass,
+ 0, 0, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_MIDDLE);
Added: head/sys/arm64/coresight/coresight_funnel_fdt.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/arm64/coresight/coresight_funnel_fdt.c Wed Jun 10 14:28:36 2020 (r362011)
@@ -0,0 +1,94 @@
+/*-
+ * Copyright (c) 2018-2020 Ruslan Bukin <br at bsdpad.com>
+ * All rights reserved.
+ *
+ * This software was developed by BAE Systems, the University of Cambridge
+ * Computer Laboratory, and Memorial University under DARPA/AFRL contract
+ * FA8650-15-C-7558 ("CADETS"), as part of the DARPA Transparent Computing
+ * (TC) research program.
+ *
+ * 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/bus.h>
+#include <sys/rman.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <machine/bus.h>
+
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <arm64/coresight/coresight.h>
+#include <arm64/coresight/coresight_funnel.h>
+
+#include "coresight_if.h"
+
+static struct ofw_compat_data compat_data[] = {
+ { "arm,coresight-funnel", HWTYPE_FUNNEL },
+ { "arm,coresight-static-funnel", HWTYPE_STATIC_FUNNEL },
+ { NULL, HWTYPE_NONE }
+};
+
+static int
+funnel_fdt_probe(device_t dev)
+{
+ struct funnel_softc *sc;
+
+ if (!ofw_bus_status_okay(dev))
+ return (ENXIO);
+
+ sc = device_get_softc(dev);
+
+ sc->hwtype = ofw_bus_search_compatible(dev, compat_data)->ocd_data;
+ switch (sc->hwtype) {
+ case HWTYPE_FUNNEL:
+ device_set_desc(dev, "Coresight Funnel");
+ break;
+ case HWTYPE_STATIC_FUNNEL:
+ device_set_desc(dev, "Coresight Static Funnel");
+ break;
+ default:
+ return (ENXIO);
+ };
+
+ return (BUS_PROBE_DEFAULT);
+}
+
+static device_method_t funnel_fdt_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, funnel_fdt_probe),
+ DEVMETHOD_END
+};
+
+DEFINE_CLASS_1(funnel, funnel_fdt_driver, funnel_fdt_methods,
+ sizeof(struct funnel_softc), funnel_driver);
+
+static devclass_t funnel_fdt_devclass;
+
+EARLY_DRIVER_MODULE(funnel, simplebus, funnel_fdt_driver, funnel_fdt_devclass,
+ 0, 0, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_MIDDLE);
Modified: head/sys/conf/files.arm64
==============================================================================
--- head/sys/conf/files.arm64 Wed Jun 10 14:10:48 2020 (r362010)
+++ head/sys/conf/files.arm64 Wed Jun 10 14:28:36 2020 (r362011)
@@ -194,6 +194,8 @@ arm64/coresight/coresight_etm4x.c standard
arm64/coresight/coresight_etm4x_acpi.c optional acpi
arm64/coresight/coresight_etm4x_fdt.c optional fdt
arm64/coresight/coresight_funnel.c standard
+arm64/coresight/coresight_funnel_acpi.c optional acpi
+arm64/coresight/coresight_funnel_fdt.c optional fdt
arm64/coresight/coresight_tmc.c standard
arm64/intel/firmware.c optional soc_intel_stratix10
arm64/intel/stratix10-soc-fpga-mgr.c optional soc_intel_stratix10
More information about the svn-src-all
mailing list