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Issue ST12_PRTPWR_OVERRIDE before putting hub in reset

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When we reset the hub, the hub will actively drvie the PRTPWR signal of
the SITMRACE12 low, resulting in the SAM3 being shut off.  If we want to
"survive" this, we need to set the OVERRIDE before we go into reset.

Right now, we never release the signal again, keeping ST12 enabled
permanently, which is of course not what we want in general.
This commit is contained in:
Harald Welte
2016-10-19 19:36:07 +02:00
parent 15e026ec34
commit e974fbb9e5
2 changed files with 74 additions and 63 deletions
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2
firmware/include_board/qmod/board.h
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@@ -41,7 +41,7 @@
#define PINS_CARDSIM { PIN_SET_USIM1_PRES, PIN_SET_USIM2_PRES }
#define PIN_PRTPWR_OVERRIDE {PIO_PA8, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT}
#define PIN_PRTPWR_OVERRIDE {PIO_PA8, PIOA, ID_PIOA, PIO_OUTPUT_1, PIO_DEFAULT}
#define SIMTRACE_VENDOR_ID 0x1d50
#define SIMTRACE_PRODUCT_ID 0x60e3 /* FIXME */