summaryrefslogtreecommitdiff
path: root/recipes-bsp/at91bootstrap/at91bootstrap-3.8.12/at91bootstrap-3.8-mtcdt.patch
diff options
context:
space:
mode:
Diffstat (limited to 'recipes-bsp/at91bootstrap/at91bootstrap-3.8.12/at91bootstrap-3.8-mtcdt.patch')
-rw-r--r--recipes-bsp/at91bootstrap/at91bootstrap-3.8.12/at91bootstrap-3.8-mtcdt.patch18
1 files changed, 12 insertions, 6 deletions
diff --git a/recipes-bsp/at91bootstrap/at91bootstrap-3.8.12/at91bootstrap-3.8-mtcdt.patch b/recipes-bsp/at91bootstrap/at91bootstrap-3.8.12/at91bootstrap-3.8-mtcdt.patch
index f299d30..8710ee5 100644
--- a/recipes-bsp/at91bootstrap/at91bootstrap-3.8.12/at91bootstrap-3.8-mtcdt.patch
+++ b/recipes-bsp/at91bootstrap/at91bootstrap-3.8.12/at91bootstrap-3.8-mtcdt.patch
@@ -1,7 +1,7 @@
diff -aNru orig/board/at91sam9x5ek/at91sam9x5ek.c new/board/at91sam9x5ek/at91sam9x5ek.c
--- orig/board/at91sam9x5ek/at91sam9x5ek.c 2019-04-16 14:20:15.036823256 -0500
+++ new/board/at91sam9x5ek/at91sam9x5ek.c 2019-04-16 14:26:10.648812728 -0500
-@@ -44,6 +44,31 @@
+@@ -44,6 +44,37 @@
#include "at91sam9x5ek.h"
#include "board_hw_info.h"
@@ -12,12 +12,18 @@ diff -aNru orig/board/at91sam9x5ek/at91sam9x5ek.c new/board/at91sam9x5ek/at91sam
+ const struct pio_desc mt_gpio_pins[] = {
+ /* Misc. pins -- Pins PD15-PD18 belong to PERIPH
+ * B A20-A25 until bootstrap shuts them down.
-+ * This code prevents these pins from being used
-+ * during boot, since we do not
-+ * need these pins to boot the system and we
-+ * do not want resets to toggle needlessly.
++ * This code prevents these pins from being used
++ * during boot, since we do not
++ * need these pins to boot the system and we
++ * do not want resets to toggle needlessly.
++ * GNSS-RESET is held low because the EXAR
++ * rarely will display the wrong VID/PID on the
++ * USB bus, which prevents the vizzini driver
++ * from loading. Once the VID/PID is bad, a
++ * reboot will preserve the bad VID/PID, so
++ * a power cycle is then required.
+ */
-+ {"GNSS-RESET",AT91C_PIN_PD(15), 1, PIO_PULLUP, PIO_OUTPUT},
++ {"GNSS-RESET",AT91C_PIN_PD(15), 0, PIO_PULLUP, PIO_OUTPUT},
+ {"SECURE-RESET",AT91C_PIN_PD(16), 1, PIO_PULLUP, PIO_OUTPUT},
+ {"MTQ-RESET",AT91C_PIN_PD(17), 1, PIO_PULLUP, PIO_OUTPUT},
+ {"USBHUB-RESET",AT91C_PIN_PD(18), 1, PIO_PULLUP, PIO_OUTPUT},