diff options
| -rw-r--r-- | rayer_spi.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/rayer_spi.c b/rayer_spi.c index f8dff95..189341a 100644 --- a/rayer_spi.c +++ b/rayer_spi.c @@ -63,11 +63,16 @@ static const struct rayer_pinout rayer_spipgm = { .miso_bit = 6, }; +static void dlc5_preinit(const void *); +static int dlc5_shutdown(void *); + static const struct rayer_pinout xilinx_dlc5 = { .cs_bit = 2, .sck_bit = 1, .mosi_bit = 0, .miso_bit = 4, + .preinit = dlc5_preinit, + .shutdown = dlc5_shutdown, }; static void byteblaster_preinit(const void *); @@ -257,6 +262,21 @@ static int stk200_shutdown(void *data) { return 0; } +static void dlc5_preinit(const void *data) { + msg_pdbg("dlc5_preinit\n"); + /* Assert pin 6 to receive MISO. */ + lpt_outbyte |= (1<<4); + OUTB(lpt_outbyte, lpt_iobase); +} + +static int dlc5_shutdown(void *data) { + msg_pdbg("dlc5_shutdown\n"); + /* De-assert pin 6 to force MISO low. */ + lpt_outbyte &= ~(1<<4); + OUTB(lpt_outbyte, lpt_iobase); + return 0; +} + #else #error PCI port I/O access is not supported on this architecture yet. #endif |