summaryrefslogtreecommitdiffstats
path: root/c/src/lib/libbsp/arm/tms570/pinmux/pinmux.c
diff options
context:
space:
mode:
authorPremysl Houdek <kom541000@gmail.com>2015-11-18 18:45:32 +0100
committerGedare Bloom <gedare@rtems.org>2015-11-18 13:12:44 -0500
commit3e1196d9e1e65f3a77bc4537934438f105b35d98 (patch)
tree80d1f3a2920c61b629e29323065169e08106d1eb /c/src/lib/libbsp/arm/tms570/pinmux/pinmux.c
parentbsp/tms570: use common tms570ls3137.inc file for all board ling variants. (diff)
downloadrtems-3e1196d9e1e65f3a77bc4537934438f105b35d98.tar.bz2
bsp/tms570: unite code duplication in pinmux and clean SCI close per review remarks.
Signed-off-by: Premysl Houdek <kom541000@gmail.com>
Diffstat (limited to '')
-rw-r--r--c/src/lib/libbsp/arm/tms570/pinmux/pinmux.c18
1 files changed, 5 insertions, 13 deletions
diff --git a/c/src/lib/libbsp/arm/tms570/pinmux/pinmux.c b/c/src/lib/libbsp/arm/tms570/pinmux/pinmux.c
index 79d6b1e504..fed23fa9ec 100644
--- a/c/src/lib/libbsp/arm/tms570/pinmux/pinmux.c
+++ b/c/src/lib/libbsp/arm/tms570/pinmux/pinmux.c
@@ -31,7 +31,7 @@
* entries array. Predefined values for pins are in a format
* TMS570_BALL_<column><row> (for example TMS570_BALL_N19).
* The multiplexer allows to interconnect one pin to multiple
- * signal sources/sings in the theory but it is usually bad choice.
+ * signal sources/sinks in the theory but it is usually bad choice.
* The function sets only specified function and clears all other
* connections.
*
@@ -45,16 +45,12 @@ void
tms570_bsp_pin_set_function(int pin_num, int pin_fnc)
{
unsigned int pin_shift;
- typeof(TMS570_IOMM.PINMUX.PINMMR0) *pinmmrx;
+ volatile uint32_t *pinmmrx;
if ( pin_fnc == TMS570_PIN_FNC_AUTO ) {
pin_fnc = (pin_num & TMS570_PIN_FNC_MASK) >> TMS570_PIN_FNC_SHIFT;
}
- pin_num = (pin_num & TMS570_PIN_NUM_MASK) >> TMS570_PIN_NUM_SHIFT;
-
- pinmmrx = &TMS570_IOMM.PINMUX.PINMMR0;
- pinmmrx += (pin_num >> 2);
- pin_shift = (pin_num & 0x3)*8;
+ tms570_bsp_pin_to_pinmmrx(&pinmmrx, &pin_shift, pin_num);
*pinmmrx = (*pinmmrx & ~(0xff << pin_shift)) | (1 << (pin_fnc + pin_shift));
}
@@ -74,15 +70,11 @@ void
tms570_bsp_pin_clear_function(int pin_num, int pin_fnc)
{
unsigned int pin_shift;
- typeof(TMS570_IOMM.PINMUX.PINMMR0) *pinmmrx;
+ volatile uint32_t *pinmmrx;
if ( pin_fnc == TMS570_PIN_FNC_AUTO ) {
pin_fnc = (pin_num & TMS570_PIN_FNC_MASK) >> TMS570_PIN_FNC_SHIFT;
}
- pin_num = (pin_num & TMS570_PIN_NUM_MASK) >> TMS570_PIN_NUM_SHIFT;
-
- pinmmrx = &TMS570_IOMM.PINMUX.PINMMR0;
- pinmmrx += (pin_num >> 2);
- pin_shift = (pin_num & 0x3)*8;
+ tms570_bsp_pin_to_pinmmrx(&pinmmrx, &pin_shift, pin_num);
*pinmmrx = *pinmmrx & ~(1 << (pin_fnc+pin_shift));
}