[src/trunk]: src/sys/arch/evbarm/rpi Enable AUX UART for BT on btwifi boards

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

details:   https://anonhg.NetBSD.org/src/rev/d78fca309a68
branches:  trunk
changeset: 355501:d78fca309a68
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Mon Jul 31 10:41:39 2017 +0000

description:
Enable AUX UART for BT on btwifi boards

diffstat:

 sys/arch/evbarm/rpi/rpi_machdep.c |  12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diffs (33 lines):

diff -r 5c53a8873371 -r d78fca309a68 sys/arch/evbarm/rpi/rpi_machdep.c
--- a/sys/arch/evbarm/rpi/rpi_machdep.c Mon Jul 31 09:25:14 2017 +0000
+++ b/sys/arch/evbarm/rpi/rpi_machdep.c Mon Jul 31 10:41:39 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rpi_machdep.c,v 1.75 2017/07/30 23:48:32 jmcneill Exp $        */
+/*     $NetBSD: rpi_machdep.c,v 1.76 2017/07/31 10:41:39 jmcneill Exp $        */
 
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rpi_machdep.c,v 1.75 2017/07/30 23:48:32 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rpi_machdep.c,v 1.76 2017/07/31 10:41:39 jmcneill Exp $");
 
 #include "opt_arm_debug.h"
 #include "opt_bcm283x.h"
@@ -497,6 +497,14 @@
                    BCM2835_GPIO_GPPUD_PULLUP);
        }
 #endif
+
+       if (rpi_rev_has_btwifi(vb.vbt_boardrev.rev)) {
+               /* Enable AUX UART on BT */
+               bcm2835gpio_function_select(32, BCM2835_GPIO_ALT5);
+               bcm2835gpio_function_select(33, BCM2835_GPIO_ALT5);
+               bcm2835gpio_function_setpull(32, BCM2835_GPIO_GPPUD_PULLOFF);
+               bcm2835gpio_function_setpull(33, BCM2835_GPIO_GPPUD_PULLUP);
+       }
 }