summaryrefslogtreecommitdiff
path: root/sys
diff options
context:
space:
mode:
authorMarc Balmer <mbalmer@cvs.openbsd.org>2007-11-17 09:16:52 +0000
committerMarc Balmer <mbalmer@cvs.openbsd.org>2007-11-17 09:16:52 +0000
commita68336119c4e1639ebbdbb90e8030ad0522947a0 (patch)
tree08a9e89402025467d31c7c2dfe7d9242ab5ff03e /sys
parenta677c25a33af2be72b1b615c8ced4d1a31c38566 (diff)
Support GPIO_PIN_PULLDOWN (pulldown-enable) as GPIO pin flag.
Diffstat (limited to 'sys')
-rw-r--r--sys/arch/i386/pci/glxpcib.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/sys/arch/i386/pci/glxpcib.c b/sys/arch/i386/pci/glxpcib.c
index f3ee85e9eec..62e520106d8 100644
--- a/sys/arch/i386/pci/glxpcib.c
+++ b/sys/arch/i386/pci/glxpcib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: glxpcib.c,v 1.3 2007/11/16 21:07:01 mbalmer Exp $ */
+/* $OpenBSD: glxpcib.c,v 1.4 2007/11/17 09:16:51 mbalmer Exp $ */
/*
* Copyright (c) 2007 Marc Balmer <mbalmer@openbsd.org>
@@ -108,17 +108,15 @@
/* GPIO */
#define MSR_LBAR_GPIO 0x5140000c
-
-#define AMD5536_GPIO_NPINS 32
-
-#define AMD5536_GPIOH_OFFSET 0x80 /* high bank register offset */
-
-#define AMD5536_GPIO_OUT_VAL 0x00 /* output value */
-#define AMD5536_GPIO_OUT_EN 0x04 /* output enable */
-#define AMD5536_GPIO_OD_EN 0x08 /* open-drain enable */
-#define AMD5536_GPIO_PU_EN 0x18 /* pull-up enable */
-#define AMD5536_GPIO_IN_EN 0x20 /* input enable */
-#define AMD5536_GPIO_READ_BACK 0x30 /* read back value */
+#define AMD5536_GPIO_NPINS 32
+#define AMD5536_GPIOH_OFFSET 0x80 /* high bank register offset */
+#define AMD5536_GPIO_OUT_VAL 0x00 /* output value */
+#define AMD5536_GPIO_OUT_EN 0x04 /* output enable */
+#define AMD5536_GPIO_OD_EN 0x08 /* open-drain enable */
+#define AMD5536_GPIO_PU_EN 0x18 /* pull-up enable */
+#define AMD5536_GPIO_PD_EN 0x1c /* pull-down enable */
+#define AMD5536_GPIO_IN_EN 0x20 /* input enable */
+#define AMD5536_GPIO_READ_BACK 0x30 /* read back value */
struct glxpcib_softc {
struct device sc_dev;
@@ -339,6 +337,9 @@ glxpcib_gpio_pin_ctl(void *arg, int pin, int flags)
case GPIO_PIN_PULLUP:
reg = AMD5536_GPIO_PU_EN;
break;
+ case GPIO_PIN_PULLDOWN:
+ reg = AMD5536_GPIO_PD_EN;
+ break;
default:
/* flag not support by the AMD5536 GPIO */
return;