[src/trunk]: src/sys/arch/arm/fdt Add fdt glue for SMSC LAN9118 ethernet.

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/671d9b839c81
branches:  trunk
changeset: 824346:671d9b839c81
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Fri Jun 02 10:46:07 2017 +0000

description:
Add fdt glue for SMSC LAN9118 ethernet.

diffstat:

 sys/arch/arm/fdt/files.fdt  |    5 +-
 sys/arch/arm/fdt/smsh_fdt.c |  112 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 116 insertions(+), 1 deletions(-)

diffs (134 lines):

diff -r 7a4f01cd7cba -r 671d9b839c81 sys/arch/arm/fdt/files.fdt
--- a/sys/arch/arm/fdt/files.fdt        Fri Jun 02 09:46:57 2017 +0000
+++ b/sys/arch/arm/fdt/files.fdt        Fri Jun 02 10:46:07 2017 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: files.fdt,v 1.4 2017/05/30 22:55:26 jmcneill Exp $
+# $NetBSD: files.fdt,v 1.5 2017/06/02 10:46:07 jmcneill Exp $
 
 device armfdt { }: bus_space_generic, fdtbus
 attach armfdt at root with arm_fdt
@@ -15,5 +15,8 @@
 attach  gic at fdt with gic_fdt
 file    arch/arm/fdt/gic_fdt.c                 gic_fdt
 
+attach smsh at fdt with smsh_fdt
+file   arch/arm/fdt/smsh_fdt.c                 smsh_fdt
+
 # Console parameters
 defparam opt_fdt_arm.h                         CONSADDR
diff -r 7a4f01cd7cba -r 671d9b839c81 sys/arch/arm/fdt/smsh_fdt.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/arm/fdt/smsh_fdt.c       Fri Jun 02 10:46:07 2017 +0000
@@ -0,0 +1,112 @@
+/* $NetBSD: smsh_fdt.c,v 1.1 2017/06/02 10:46:07 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2017 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 <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: smsh_fdt.c,v 1.1 2017/06/02 10:46:07 jmcneill Exp $");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/device.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+
+#include <dev/fdt/fdtvar.h>
+
+#include <net/if.h>
+#include <net/if_ether.h>
+#include <net/if_media.h>
+
+#include <dev/mii/miivar.h>
+
+#include <dev/ic/lan9118var.h>
+#include <dev/ic/lan9118reg.h>
+
+static int     smsh_fdt_match(device_t, cfdata_t, void *);
+static void    smsh_fdt_attach(device_t, device_t, void *);
+
+static const char * const compatible[] = { "smsc,lan9118", NULL };
+
+CFATTACH_DECL_NEW(smsh_fdt, sizeof(struct lan9118_softc),
+       smsh_fdt_match, smsh_fdt_attach, NULL, NULL);
+
+static int
+smsh_fdt_match(device_t parent, cfdata_t cf, void *aux)
+{
+       struct fdt_attach_args * const faa = aux;
+
+       return of_compatible(faa->faa_phandle, compatible) >= 0;
+}
+
+static void
+smsh_fdt_attach(device_t parent, device_t self, void *aux)
+{
+       struct lan9118_softc * const sc = device_private(self);
+       struct fdt_attach_args * const faa = aux;
+       char intrstr[128];
+       const int phandle = faa->faa_phandle;
+       bus_addr_t addr;
+       bus_size_t size;
+       void *ih;
+
+       if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) {
+               aprint_error(": missing 'reg' property\n");
+               return;
+       }
+
+       if (!fdtbus_intr_str(phandle, 0, intrstr, sizeof(intrstr))) {
+               aprint_error_dev(self, "failed to decode interrupt\n");
+               return;
+       }
+
+       sc->sc_dev = self;
+       sc->sc_iot = faa->faa_bst;
+       if (bus_space_map(faa->faa_bst, addr, size, 0, &sc->sc_ioh)) {
+               aprint_error(": couldn't map device\n");
+               return;
+       }
+
+       if (of_hasprop(phandle, "smsc,irq-active-high"))
+               sc->sc_flags |= LAN9118_FLAGS_IRQ_ACTHI;
+       if (of_hasprop(phandle, "smsc,irq-push-pull"))
+               sc->sc_flags |= LAN9118_FLAGS_IRQ_PP;
+
+       if (lan9118_attach(sc) != 0)
+               goto unmap;
+
+       ih = fdtbus_intr_establish(phandle, 0, IPL_NET, 0, lan9118_intr, sc);
+       if (ih == NULL) {
+               aprint_error_dev(self, "couldn't install interrupt handler\n");
+               goto unmap;
+       }
+       aprint_normal_dev(self, "interrupting on %s\n", intrstr);
+
+       return;
+
+unmap:
+       bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
+}