[PATCH rtems-libbsd 12/14] Add Tsi148 driver template

[Christian Mauderer]

From: Sebastian Huber <sebastian.huber at embedded-brains.de>

---
 buildset/default.ini                 |   1 +
 buildset/everything.ini              |   3 +
 libbsd.py                            |  17 ++++
 rtemsbsd/include/bsp/nexus-devices.h |   4 +
 rtemsbsd/sys/dev/vme/tsi148.c        | 123 +++++++++++++++++++++++++++
 5 files changed, 148 insertions(+)
 create mode 100644 rtemsbsd/sys/dev/vme/tsi148.c

diff --git a/buildset/default.ini b/buildset/default.ini
index fca70f9c..acb1226d 100644
--- a/buildset/default.ini
+++ b/buildset/default.ini
@@ -65,6 +65,7 @@ rpc = on
 rpc_user = on
 rtems = on
 tests = on
+tsi148 = off
 tty = on
 user_space = on
 user_space_wlanstats = off
diff --git a/buildset/everything.ini b/buildset/everything.ini
index 0eee99e7..b4e57246 100644
--- a/buildset/everything.ini
+++ b/buildset/everything.ini
@@ -17,3 +17,6 @@ usr_sbin_wpa_supplicant = on
 
 # IPSec
 netipsec = on
+
+# VME
+tsi148 = on
diff --git a/libbsd.py b/libbsd.py
index 73df656b..ed40106c 100644
--- a/libbsd.py
+++ b/libbsd.py
@@ -3139,6 +3139,22 @@ class pci(builder.Module):
             mm.generator['source']()
         )
 
+#
+# TSI148
+#
+class tsi148(builder.Module):
+
+    def __init__(self, manager):
+        super(tsi148, self).__init__(manager, type(self).__name__)
+
+    def generate(self):
+        mm = self.manager
+        self.addRTEMSKernelSourceFiles(
+            [
+                'sys/dev/vme/tsi148.c',
+            ],
+            mm.generator['source']()
+        )
 
 #
 # User space
@@ -5666,6 +5682,7 @@ def load(mm):
 
     # Add PCI
     mm.addModule(pci(mm))
+    mm.addModule(tsi148(mm))
 
     # Add NIC devices
     mm.addModule(dev_nic(mm))
diff --git a/rtemsbsd/include/bsp/nexus-devices.h b/rtemsbsd/include/bsp/nexus-devices.h
index e764306e..ac4a52a1 100644
--- a/rtemsbsd/include/bsp/nexus-devices.h
+++ b/rtemsbsd/include/bsp/nexus-devices.h
@@ -267,6 +267,10 @@ SYSINIT_DRIVER_REFERENCE(pcib, pci);
 SYSINIT_DRIVER_REFERENCE(rcpcib, pci);
 #endif
 
+#ifdef RTEMS_BSD_MODULE_TSI148
+SYSINIT_DRIVER_REFERENCE(tsi148, pci);
+#endif
+
 #endif /* QORIQ_CHIP_IS_T_VARIANT(QORIQ_CHIP_VARIANT) */
 
 #elif defined(LIBBSP_POWERPC_TQM8XX_BSP_H)
diff --git a/rtemsbsd/sys/dev/vme/tsi148.c b/rtemsbsd/sys/dev/vme/tsi148.c
new file mode 100644
index 00000000..56c746bc
--- /dev/null
+++ b/rtemsbsd/sys/dev/vme/tsi148.c
@@ -0,0 +1,123 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (C) 2022 embedded brains GmbH (http://www.embedded-brains.de)
+ *
+ * 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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 <machine/rtems-bsd-kernel-space.h>
+
+#include <sys/cdefs.h>
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/bus.h>
+#include <sys/rman.h>
+
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+
+struct tsi148 {
+	device_t		dev;
+	int			mem_rid;
+	struct resource		*mem_res;
+	int			irq_rid;
+	struct resource		*irq_res;
+	void			*irq_cookie;
+};
+
+static void
+tsi148_intr(void *arg)
+{
+	struct tsi148 *sc;
+
+	sc = arg;
+}
+
+static int
+tsi148_probe(device_t dev)
+{
+
+	if (pci_get_devid(dev) == 0x014810e3) {
+		device_set_desc(dev, "Tundra Tsi148 PCI-VME bridge");
+		return (BUS_PROBE_GENERIC);
+	}
+
+	return (ENXIO);
+}
+
+static int
+tsi148_attach(device_t dev)
+{
+	struct tsi148 *sc;
+
+	sc = device_get_softc(dev);
+	sc->dev = dev;
+
+	sc->mem_rid = PCIR_BAR(0);
+	sc->mem_res = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY,
+	    &sc->mem_rid, RF_ACTIVE);
+	if (sc->mem_res == NULL) {
+		return (ENOMEM);
+	}
+
+	sc->irq_rid = 0;
+	sc->irq_res = bus_alloc_resource_any(sc->dev, SYS_RES_IRQ,
+	    &sc->irq_rid, RF_SHAREABLE | RF_ACTIVE);
+	if (sc->irq_res == NULL) {
+		return (ENOMEM);
+	}
+
+	bus_setup_intr(sc->dev, sc->irq_res, INTR_TYPE_MISC | INTR_MPSAFE,
+	    NULL, tsi148_intr, sc, &sc->irq_cookie);
+	if (sc->irq_cookie == NULL) {
+		return (ENOMEM);
+	}
+
+	return (ENXIO);
+}
+
+static int
+tsi148_detach(device_t dev)
+{
+	BSD_ASSERT(0);
+	return (ENXIO);
+}
+
+static device_method_t tsi148_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,     tsi148_probe),
+	DEVMETHOD(device_attach,    tsi148_attach),
+	DEVMETHOD(device_detach,    tsi148_detach),
+	DEVMETHOD_END
+};
+
+static driver_t tsi148_driver = {
+	"tsi148",
+	tsi148_methods,
+	sizeof(struct tsi148),
+};
+
+static devclass_t tsi148_devclass;
+
+DRIVER_MODULE(tsi148, pci, tsi148_driver, tsi148_devclass, NULL, 0);
-- 
2.35.3