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tc_etu: Don't confiugre unused TIOA pin of TC0 + TC2

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When initializing the TC blocks, let's only configure the GPIO pins TCLK
and TIOB, and not the unused TIOA pin.  That pin is actually used for
(separate) different functions in both qmod and owhw.
This commit is contained in:
Harald Welte
2017-03-05 22:14:04 +01:00
parent 705e899e5f
commit 2bff7cd9c2
1 changed files with 6 additions and 6 deletions
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12
firmware/libcommon/source/tc_etu.c
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@@ -25,17 +25,17 @@
#include "chip.h"
/* pins for Channel 0 of TC-block 0 */
/* pins for Channel 0 of TC-block 0, we only use TCLK + TIOB */
#define PIN_TCLK0 {PIO_PA4, PIOA, ID_PIOA, PIO_PERIPH_B, PIO_DEFAULT }
#define PIN_TIOA0 {PIO_PA0, PIOA, ID_PIOA, PIO_PERIPH_B, PIO_DEFAULT}
#define PIN_TIOB0 {PIO_PA1, PIOA, ID_PIOA, PIO_PERIPH_B, PIO_DEFAULT}
static const Pin pins_tc0[] = { PIN_TCLK0, PIN_TIOA0, PIN_TIOB0 };
static const Pin pins_tc0[] = { PIN_TCLK0, PIN_TIOB0 };
/* pins for Channel 2 of TC-block 0 */
/* pins for Channel 2 of TC-block 0, we only use TCLK + TIOB */
#define PIN_TCLK2 {PIO_PA29, PIOA, ID_PIOA, PIO_PERIPH_B, PIO_DEFAULT}
#define PIN_TIOA2 {PIO_PA26, PIOA, ID_PIOA, PIO_PERIPH_B, PIO_DEFAULT}
#define PIN_TIOB2 {PIO_PA27, PIOA, ID_PIOA, PIO_PERIPH_B, PIO_DEFAULT}
static const Pin pins_tc2[] = { PIN_TCLK2, PIN_TIOA2, PIN_TIOB2 };
static const Pin pins_tc2[] = { PIN_TCLK2, PIN_TIOB2 };
struct tc_etu_state {
/* total negotiated waiting time (default = 9600) */
@@ -158,7 +158,7 @@ void tc_etu_init(uint8_t chan_nr, void *handle)
switch (chan_nr) {
case 0:
/* Configure PA4(TCLK0), PA0(TIOA0), PA1(TIB0) */
/* Configure PA4(TCLK0), PA1(TIB0) */
PIO_Configure(pins_tc0, ARRAY_SIZE(pins_tc0));
PMC_EnablePeripheral(ID_TC0);
/* route TCLK0 to XC2 */
@@ -171,7 +171,7 @@ void tc_etu_init(uint8_t chan_nr, void *handle)
te->chan = &TC0->TC_CHANNEL[0];
break;
case 2:
/* Configure PA29(TCLK2), PA26(TIOA2), PA27(TIOB2) */
/* Configure PA29(TCLK2), PA27(TIOB2) */
PIO_Configure(pins_tc2, ARRAY_SIZE(pins_tc2));
PMC_EnablePeripheral(ID_TC2);
/* route TCLK2 to XC2. TC0 really means TCA in this case */