[ts-7000] Accessing Latched Outputs TS7390

["jtckendrick" <>]

I am having an issue with getting access to the memory area specified.  
When I try to write to that area of memory I get SIGSEGV faults.  I am 
referencing the TS7350 preliminary manual. Here is a sample of the code.
spi_fd is integer type and spi_ioptr it unsigned long.  SPI_IOBASE is 
defined as 0x600FF084.

spi_fd = open("/dev/mem", O_RDWR|O_SYNC);

spi_ioptr = (unsigned long)mmap(0, getpagesize(), PROT_READ|PROT_WRITE,
MAP_SHARED, spi_fd, SPI_IOBASE);

assert(&spi_ioptr != MAP_FAILED);

PEEK32(spi_ioptr,1);

SIGSEGV is thrown on PEEK32


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