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[src/trunk]: src/sys Add ACPI glue for Broadcom GENETv5
details: https://anonhg.NetBSD.org/src/rev/c3bfaccc4ad0
branches: trunk
changeset: 745041:c3bfaccc4ad0
user: jmcneill <jmcneill%NetBSD.org@localhost>
date: Sat Feb 22 02:28:06 2020 +0000
description:
Add ACPI glue for Broadcom GENETv5
diffstat:
sys/arch/evbarm/conf/GENERIC64 | 5 +-
sys/dev/acpi/files.acpi | 6 +-
sys/dev/acpi/genet_acpi.c | 154 +++++++++++++++++++++++++++++++++++++++++
3 files changed, 162 insertions(+), 3 deletions(-)
diffs (196 lines):
diff -r 871a21a10d72 -r c3bfaccc4ad0 sys/arch/evbarm/conf/GENERIC64
--- a/sys/arch/evbarm/conf/GENERIC64 Sat Feb 22 00:42:15 2020 +0000
+++ b/sys/arch/evbarm/conf/GENERIC64 Sat Feb 22 02:28:06 2020 +0000
@@ -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 @@
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?
diff -r 871a21a10d72 -r c3bfaccc4ad0 sys/dev/acpi/files.acpi
--- a/sys/dev/acpi/files.acpi Sat Feb 22 00:42:15 2020 +0000
+++ b/sys/dev/acpi/files.acpi Sat Feb 22 02:28:06 2020 +0000
@@ -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 @@
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"
diff -r 871a21a10d72 -r c3bfaccc4ad0 sys/dev/acpi/genet_acpi.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/acpi/genet_acpi.c Sat Feb 22 02:28:06 2020 +0000
@@ -0,0 +1,154 @@
+/* $NetBSD: genet_acpi.c,v 1.1 2020/02/22 02:28:06 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2020 Jared McNeill <jmcneill%invisible.ca@localhost>
+ * 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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