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authorMark Kettenis <kettenis@cvs.openbsd.org>2009-08-26 17:38:07 +0000
committerMark Kettenis <kettenis@cvs.openbsd.org>2009-08-26 17:38:07 +0000
commit800db41782a1933541d230b06e0144f88ad58d3b (patch)
treed207f2fdc48959b9568aa61be12d226ae7e99240 /sys
parent202aa5db1c78622a17a6b0be9a45fb2748247111 (diff)
Override comconsfreq and comconsaddr with values from the FTD if provided.
Diffstat (limited to 'sys')
-rw-r--r--sys/arch/socppc/socppc/machdep.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/sys/arch/socppc/socppc/machdep.c b/sys/arch/socppc/socppc/machdep.c
index dc4c103a0f7..80788f106e4 100644
--- a/sys/arch/socppc/socppc/machdep.c
+++ b/sys/arch/socppc/socppc/machdep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: machdep.c,v 1.19 2009/08/25 21:18:20 kettenis Exp $ */
+/* $OpenBSD: machdep.c,v 1.20 2009/08/26 17:38:06 kettenis Exp $ */
/* $NetBSD: machdep.c,v 1.4 1996/10/16 19:33:11 ws Exp $ */
/*
@@ -175,6 +175,7 @@ initppc(u_int startkernel, u_int endkernel, char *args)
#endif
extern void *msgbuf_addr;
int exc, scratch;
+ void *node;
extern char __bss_start[], __end[];
bzero(__bss_start, __end - __bss_start);
@@ -421,6 +422,24 @@ initppc(u_int startkernel, u_int endkernel, char *args)
comconsrate = 115200;
comconsaddr = 0x00004500;
comconsiot = &mainbus_bus_space;
+
+ node = fdt_find_node("/chosen");
+ if (node) {
+ char *console;
+
+ fdt_node_property(node, "linux,stdout-path", &console);
+ node = fdt_find_node(console);
+ if (node) {
+ char *freq;
+ char *reg;
+
+ if (fdt_node_property(node, "clock-frequency", &freq))
+ comconsfreq = *(u_int32_t *)freq;
+ if (fdt_node_property(node, "reg", &reg))
+ comconsaddr = *(u_int32_t *)reg;
+ }
+ }
+
consinit();
#ifdef DDB