Module Name:    src
Committed By:   jmcneill
Date:           Sat Feb 22 02:28:06 UTC 2020

Modified Files:
        src/sys/arch/evbarm/conf: GENERIC64
        src/sys/dev/acpi: files.acpi
Added Files:
        src/sys/dev/acpi: genet_acpi.c

Log Message:
Add ACPI glue for Broadcom GENETv5


To generate a diff of this commit:
cvs rdiff -u -r1.138 -r1.139 src/sys/arch/evbarm/conf/GENERIC64
cvs rdiff -u -r1.114 -r1.115 src/sys/dev/acpi/files.acpi
cvs rdiff -u -r0 -r1.1 src/sys/dev/acpi/genet_acpi.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/arch/evbarm/conf/GENERIC64
diff -u src/sys/arch/evbarm/conf/GENERIC64:1.138 src/sys/arch/evbarm/conf/GENERIC64:1.139
--- src/sys/arch/evbarm/conf/GENERIC64:1.138	Sat Feb 22 00:28:35 2020
+++ src/sys/arch/evbarm/conf/GENERIC64	Sat Feb 22 02:28:06 2020
@@ -1,5 +1,5 @@
 #
-#	$NetBSD: GENERIC64,v 1.138 2020/02/22 00:28:35 jmcneill Exp $
+#	$NetBSD: GENERIC64,v 1.139 2020/02/22 02:28:06 jmcneill Exp $
 #
 #	GENERIC ARM (aarch64) kernel
 #
@@ -327,7 +327,8 @@ emac*		at fdt?				# Allwinner Gigabit Et
 enet*		at fdt?				# IMX FEC
 aq*		at pci? dev ? function ?	# Aquantia AQC 10 gigabit
 ena*		at pci? dev ? function ?	# Amazon.com Elastic Network Adapter
-genet*		at fdt?				# Broadcom GENET v5
+genet*		at acpi?			# Broadcom GENET v5
+genet*		at fdt?
 mcx*		at pci? dev ? function ?	# Mellanox 5th generation Ethernet
 mskc*		at pci? dev ? function ?	# Marvell Yukon 2 Gigabit Ethernet
 msk*		at mskc?

Index: src/sys/dev/acpi/files.acpi
diff -u src/sys/dev/acpi/files.acpi:1.114 src/sys/dev/acpi/files.acpi:1.115
--- src/sys/dev/acpi/files.acpi:1.114	Tue Dec 25 11:56:14 2018
+++ src/sys/dev/acpi/files.acpi	Sat Feb 22 02:28:06 2020
@@ -1,4 +1,4 @@
-#	$NetBSD: files.acpi,v 1.114 2018/12/25 11:56:14 mlelstv Exp $
+#	$NetBSD: files.acpi,v 1.115 2020/02/22 02:28:06 jmcneill Exp $
 
 include "dev/acpi/acpica/files.acpica"
 
@@ -269,4 +269,8 @@ device	ipmi_acpi: ipmibus
 attach	ipmi_acpi at acpinodebus
 file	dev/acpi/ipmi_acpi.c		ipmi_acpi
 
+# Broadcom GENETv5
+attach	genet at acpinodebus with genet_acpi
+file	dev/acpi/genet_acpi.c		genet_acpi
+
 include	"dev/acpi/wmi/files.wmi"

Added files:

Index: src/sys/dev/acpi/genet_acpi.c
diff -u /dev/null src/sys/dev/acpi/genet_acpi.c:1.1
--- /dev/null	Sat Feb 22 02:28:06 2020
+++ src/sys/dev/acpi/genet_acpi.c	Sat Feb 22 02:28:06 2020
@@ -0,0 +1,154 @@
+/* $NetBSD: genet_acpi.c,v 1.1 2020/02/22 02:28:06 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2020 Jared McNeill <jmcne...@invisible.ca>
+ * 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 ``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 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_net_mpsafe.h"
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: genet_acpi.c,v 1.1 2020/02/22 02:28:06 jmcneill Exp $");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/cpu.h>
+#include <sys/device.h>
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_ether.h>
+#include <net/if_media.h>
+
+#include <dev/mii/miivar.h>
+
+#include <dev/ic/bcmgenetvar.h>
+
+#include <dev/acpi/acpireg.h>
+#include <dev/acpi/acpivar.h>
+#include <dev/acpi/acpi_intr.h>
+
+#ifdef NET_MPSAFE
+#define	GENET_INTR_MPSAFE	true
+#else
+#define	GENET_INTR_MPSAFE	false
+#endif
+
+static const char * const compatible[] = {
+	"BCM6E4E",	/* Broadcom GENET v5 */
+	NULL
+};
+
+static int	genet_acpi_match(device_t, cfdata_t, void *);
+static void	genet_acpi_attach(device_t, device_t, void *);
+
+CFATTACH_DECL_NEW(genet_acpi, sizeof(struct genet_softc),
+    genet_acpi_match, genet_acpi_attach, NULL, NULL);
+
+static int
+genet_acpi_match(device_t parent, cfdata_t cf, void *aux)
+{
+	struct acpi_attach_args *aa = aux;
+
+	if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
+		return 0;
+
+	return acpi_match_hid(aa->aa_node->ad_devinfo, compatible);
+}
+
+static void
+genet_acpi_attach(device_t parent, device_t self, void *aux)
+{
+	struct genet_softc * const sc = device_private(self);
+	struct acpi_attach_args *aa = aux;
+	ACPI_HANDLE handle = aa->aa_node->ad_handle;
+	struct acpi_resources res;
+	struct acpi_mem *mem;
+	struct acpi_irq *irq;
+	char *phy_mode;
+	ACPI_STATUS rv;
+	int error;
+	void *ih;
+
+	sc->sc_dev = self;
+
+	rv = acpi_resource_parse(sc->sc_dev, handle, "_CRS",
+	    &res, &acpi_resource_parse_ops_default);
+	if (ACPI_FAILURE(rv))
+		return;
+
+	mem = acpi_res_mem(&res, 0);
+	if (mem == NULL) {
+		aprint_error_dev(self, "couldn't find mem resource\n");
+		goto done;
+	}
+
+	irq = acpi_res_irq(&res, 0);
+	if (irq == NULL) {
+		aprint_error_dev(self, "couldn't find irq resource\n");
+		goto done;
+	}
+
+	sc->sc_bst = aa->aa_memt;
+	error = bus_space_map(sc->sc_bst, mem->ar_base, mem->ar_length,
+	    0, &sc->sc_bsh);
+	if (error != 0) {
+		aprint_error_dev(self, "couldn't map registers\n");
+		goto done;
+	}
+	sc->sc_dmat = BUS_DMA_TAG_VALID(aa->aa_dmat64) ?
+	    aa->aa_dmat64 : aa->aa_dmat;
+	sc->sc_phy_id = MII_PHY_ANY;
+
+	rv = acpi_dsd_string(handle, "phy-mode", &phy_mode);
+	if (ACPI_FAILURE(rv)) {
+		aprint_error_dev(self, "missing 'phy-mode' property\n");
+		goto done;
+	}
+
+	if (strcmp(phy_mode, "rgmii-rxid") == 0)
+		sc->sc_phy_mode = GENET_PHY_MODE_RGMII_RXID;
+	else if (strcmp(phy_mode, "rgmii-txid") == 0)
+		sc->sc_phy_mode = GENET_PHY_MODE_RGMII_TXID;
+	else if (strcmp(phy_mode, "rgmii") == 0)
+		sc->sc_phy_mode = GENET_PHY_MODE_RGMII;
+	else {
+		aprint_error(": unsupported phy-mode '%s'\n", phy_mode);
+		goto done;
+	}
+
+	aprint_normal("%s", device_xname(self));
+	if (genet_attach(sc) != 0)
+		goto done;
+
+        ih = acpi_intr_establish(self, (uint64_t)handle, IPL_NET,
+	    GENET_INTR_MPSAFE, genet_intr, sc, device_xname(self));
+	if (ih == NULL) {
+		aprint_error_dev(self, "couldn't establish interrupt\n");
+		goto done;
+	}
+
+done:
+	acpi_resource_cleanup(&res);
+}

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