add a simplebus print function so unconfigured devices appear in dmesg.

this was avoided previously because during the early stages of the
port, there were mostly unsupported devices. the situation is a bit
better now, so make the missing drivers more obvious so people can
get interested.

ok kettenis@

1 files changed, 23 insertions, 2 deletions

diff --git a/sys/arch/arm64/dev/simplebus.c b/sys/arch/arm64/dev/simplebus.c
index af2e1ff1d42..c2b19a1fb7e 100644
--- a/sys/arch/arm64/dev/simplebus.c
+++ b/sys/arch/arm64/dev/simplebus.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: simplebus.c,v 1.8 2017/06/01 21:19:07 patrick Exp $ */
+/* $OpenBSD: simplebus.c,v 1.9 2019/01/03 23:04:51 dlg Exp $ */
 /*
  * Copyright (c) 2016 Patrick Wildt <patrick@blueri.se>
  *
@@ -149,6 +149,26 @@ simplebus_submatch(struct device *self, void *match, void *aux)
 	return 0;
 }
 
+int
+simplebus_print(void *aux, const char *pnp)
+{
+	struct fdt_attach_args *fa = aux;
+	char name[32];
+
+	if (!pnp)
+		return (QUIET);
+
+	if (OF_getprop(fa->fa_node, "name", name, sizeof(name)) > 0) {
+		name[sizeof(name) - 1] = 0;
+		printf("\"%s\"", name);
+	} else
+		printf("node %u", fa->fa_node);
+
+	printf(" at %s", pnp);
+
+	return (UNCONF);
+}
+
 /*
  * Look for a driver that wants to be attached to this node.
  */
@@ -221,7 +241,8 @@ simplebus_attach_node(struct device *self, int node)
 		fa.fa_dmat->_flags |= BUS_DMA_COHERENT;
 	}
 
-	config_found_sm(self, &fa, NULL, simplebus_submatch);
+	config_found_sm(self, &fa, sc->sc_early ? NULL : simplebus_print,
+	    simplebus_submatch);
 
 	free(fa.fa_reg, M_DEVBUF, fa.fa_nreg * sizeof(struct fdt_reg));
 	free(fa.fa_intr, M_DEVBUF, fa.fa_nintr * sizeof(uint32_t));