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| author | John Klug <john.klug@multitech.com> | 2019-05-23 13:06:50 -0500 |
|---|---|---|
| committer | John Klug <john.klug@multitech.com> | 2019-07-03 11:22:01 -0500 |
| commit | a2696e218fbc1dec8a8b5ae2439bd8bc69264d06 (patch) | |
| tree | 2817ccdd0998fdc0ee394b41e5e753e50c8c0db7 /recipes-bsp/at91bootstrap/at91bootstrap-3.8.12/at91bootstrap-3.8-mtcdt.patch | |
| parent | ef31239889371dd1bc228992e2d9dab02c501353 (diff) | |
| download | meta-multitech-a2696e218fbc1dec8a8b5ae2439bd8bc69264d06.tar.gz meta-multitech-a2696e218fbc1dec8a8b5ae2439bd8bc69264d06.tar.bz2 meta-multitech-a2696e218fbc1dec8a8b5ae2439bd8bc69264d06.zip | |
GNSS reset fix to suppress GPS serial port to protect XR12V1414 from bad PID/VID
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.patch | 18 |
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}, |