diff options
Diffstat (limited to 'fpga/interface/beaglebone_black/gpmc')
| -rw-r--r-- | fpga/interface/beaglebone_black/gpmc/test/bbb-gpmc-test.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/fpga/interface/beaglebone_black/gpmc/test/bbb-gpmc-test.c b/fpga/interface/beaglebone_black/gpmc/test/bbb-gpmc-test.c index 2c5dc99..fc25d88 100644 --- a/fpga/interface/beaglebone_black/gpmc/test/bbb-gpmc-test.c +++ b/fpga/interface/beaglebone_black/gpmc/test/bbb-gpmc-test.c @@ -59,6 +59,7 @@ char *gpio_mem, *gpio_map, *gpmc_map; // I/O access static volatile unsigned int *gpio = NULL; static volatile unsigned char *gpio_char = NULL; +static volatile unsigned long long *gpio_longlong = NULL; static volatile unsigned int *gpmc = NULL; static void gpmc_mapregisters() @@ -166,6 +167,7 @@ static void io_setup(void) // Always use volatile pointer! gpio = (volatile unsigned *)gpio_map; gpio_char = (volatile unsigned char *)gpio_map; + gpio_longlong =( volatile unsigned long long *)gpio_map; // Select a test from the following blocks of code... @@ -187,6 +189,7 @@ static void io_setup(void) // *(gpio + j) = j; // } +#if 0 // DEBUG ONLY // Looping memory test unsigned int test_base = (MEMORY_SIZE/2); @@ -295,18 +298,26 @@ static void io_setup(void) printf("Total errors found over all loops:\t%d\n", overall_total_errors); fflush(stdout); return; - +#endif int j; for (j=0;j<MEMORY_SIZE; j++) { *(gpio_char + j) = ((unsigned char)j); } +// // DEBUG ONLY +// // Prints the contents of the mapped memory +// int k; +// for (k=0;k<(MEMORY_SIZE/4); k++) { +// printf("0x%08x\t%08x\n", k, *(gpio + k)); +// } +// fflush(stdout); + // DEBUG ONLY // Prints the contents of the mapped memory int k; - for (k=0;k<(MEMORY_SIZE/4); k++) { - printf("0x%08x\t%08x\n", k, *(gpio + k)); + for (k=0;k<(MEMORY_SIZE/8); k++) { + printf("0x%08x\t%016llx\n", k, *(gpio_longlong + k)); } fflush(stdout); |