diff options
| author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2014-02-27 01:00:35 -0600 |
|---|---|---|
| committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2014-02-27 01:00:35 -0600 |
| commit | 6ed57d34cab70cfcada21d3b77014f2e834a0cf9 (patch) | |
| tree | 5ea8f7750945b29557ff34ae10147bc61f21fbf3 /fpga/interface/beaglebone_black/gpmc | |
| parent | 1fbfe130665dc4bce56869ed9158531137406129 (diff) | |
| download | ulab-6ed57d34cab70cfcada21d3b77014f2e834a0cf9.tar.gz ulab-6ed57d34cab70cfcada21d3b77014f2e834a0cf9.zip | |
First pass of logic analyzer functionality (GPMC interface and server)
Diffstat (limited to 'fpga/interface/beaglebone_black/gpmc')
| -rw-r--r-- | fpga/interface/beaglebone_black/gpmc/test/bbb-gpmc-test.c | 26 |
1 files changed, 25 insertions, 1 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 ab4eb17..d352348 100644 --- a/fpga/interface/beaglebone_black/gpmc/test/bbb-gpmc-test.c +++ b/fpga/interface/beaglebone_black/gpmc/test/bbb-gpmc-test.c @@ -113,6 +113,7 @@ static void gpmc_setup(void) *(gpmc + displacement + GPMC_CONFIG) = 0x00000000; // Unlimited address space *(gpmc + displacement + GPMC_CONFIG1) = 0x00000000; // No burst, async, 8-bit, non multiplexed +// *(gpmc + displacement + GPMC_CONFIG1) = 0x00000010; // No burst, async, 8-bit, non multiplexed, x2 slowed cycle timing // // 200MHz compatible SRAM device // *(gpmc + displacement + GPMC_CONFIG2) = 0x00000800; // Assert CS on fclk 0, deassert CS on fclk 8 @@ -139,6 +140,27 @@ static void gpmc_setup(void) } } +void gpmc_dump_registers(void) +{ + gpmc_mapregisters(); + + if (gpmc != NULL) { + int chipselect = 0; + int displacement = GPMC_CHIPSELECTCONFIGDISPLACEMENT * chipselect; + + printf("GPMC_CONFIG0: %08x\n", *(gpmc + displacement + GPMC_CONFIG)); + printf("GPMC_CONFIG1: %08x\n", *(gpmc + displacement + GPMC_CONFIG1)); + printf("GPMC_CONFIG2: %08x\n", *(gpmc + displacement + GPMC_CONFIG2)); + printf("GPMC_CONFIG3: %08x\n", *(gpmc + displacement + GPMC_CONFIG3)); + printf("GPMC_CONFIG4: %08x\n", *(gpmc + displacement + GPMC_CONFIG4)); + printf("GPMC_CONFIG5: %08x\n", *(gpmc + displacement + GPMC_CONFIG5)); + printf("GPMC_CONFIG6: %08x\n", *(gpmc + displacement + GPMC_CONFIG6)); + printf("GPMC_CONFIG7: %08x\n", *(gpmc + displacement + GPMC_CONFIG7)); + } + + gpmc_unmapregisters(); +} + static void io_setup(void) { printf("sizeof int:\t%d\n", sizeof(int)); @@ -343,12 +365,14 @@ static void io_setup(void) // printf("0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\n\r", *(gpio_char + 0), *(gpio_char + 0), *(gpio_char + 0), *(gpio_char + 0), *(gpio_char + 0), *(gpio_char + 0), *(gpio_char + 0), *(gpio_char + 0)); // + gpmc_dump_registers(); + while (1) { // printf("0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\r", *(gpio_char + 0), *(gpio_char + 1), *(gpio_char + 2), *(gpio_char + 3), *(gpio_char + 4), *(gpio_char + 5), *(gpio_char + 6), *(gpio_char + 7)); // printf("0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\r", *(gpio_char + 0), *(gpio_char + 1), *(gpio_char + 2), *(gpio_char + 3), *(gpio_char + 0x1000), *(gpio_char + 0x1001), *(gpio_char + 0x1002), *(gpio_char + 0x1003)); // printf("0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\r", *(gpio_char + 0), *(gpio_char + 1), *(gpio_char + 2), *(gpio_char + 3), *(gpio_char + 0x4000), *(gpio_char + 0x4001), *(gpio_char + 0x4002), *(gpio_char + 0x4003)); printf("0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\r", *(gpio_char + 0), *(gpio_char + 1), *(gpio_char + 2), *(gpio_char + 3), *(gpio_char + 0x0a), *(gpio_char + 0x0b), *(gpio_char + 0x0c), *(gpio_char + 0x0d)); -// printf("0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\r", *(gpio_char + 0x4000), *(gpio_char + 0x4001), *(gpio_char + 0x4002), *(gpio_char + 0x4003), *(gpio_char + 0x4000), *(gpio_char + 0x4001), *(gpio_char + 0x4002), *(gpio_char + 0x4003)); +// printf("0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\t0x%02x\r", *(gpio_char + 0x4000), *(gpio_char + 0x4001), *(gpio_char + 0x4002), *(gpio_char + 0x4003), *(gpio_char + 0x4004), *(gpio_char + 0x4005), *(gpio_char + 0x4006), *(gpio_char + 0x4007)); usleep(10); } } |