X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/5bb62283862a369e8643641ef9f0d69429c0bb6c..db289ea7d7d7eb3b9935551012b845b7fa0f5a6a:/armsrc/fpgaloader.c?ds=inline diff --git a/armsrc/fpgaloader.c b/armsrc/fpgaloader.c index 86f144cf..a1011ab7 100644 --- a/armsrc/fpgaloader.c +++ b/armsrc/fpgaloader.c @@ -117,7 +117,7 @@ void SetupSpi(int mode) // Set up the synchronous serial port, with the one set of options that we // always use when we are talking to the FPGA. Both RX and TX are enabled. //----------------------------------------------------------------------------- -void FpgaSetupSsc(void) { +void FpgaSetupSscExt(uint8_t clearPCER) { // First configure the GPIOs, and get ourselves a clock. AT91C_BASE_PIOA->PIO_ASR = GPIO_SSC_FRAME | @@ -126,7 +126,10 @@ void FpgaSetupSsc(void) { GPIO_SSC_CLK; AT91C_BASE_PIOA->PIO_PDR = GPIO_SSC_DOUT; - AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_SSC); + if ( clearPCER ) + AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_SSC); + else + AT91C_BASE_PMC->PMC_PCER |= (1 << AT91C_ID_SSC); // Now set up the SSC proper, starting from a known state. AT91C_BASE_SSC->SSC_CR = AT91C_SSC_SWRST; @@ -148,7 +151,9 @@ void FpgaSetupSsc(void) { AT91C_BASE_SSC->SSC_CR = AT91C_SSC_RXEN | AT91C_SSC_TXEN; } - +void FpgaSetupSsc(void) { + FpgaSetupSscExt(TRUE); +} //----------------------------------------------------------------------------- // Set up DMA to receive samples from the FPGA. We will use the PDC, with // a single buffer as a circular buffer (so that we just chain back to