diff options
Diffstat (limited to 'util/romcc/tests/simple_test47.c')
-rw-r--r-- | util/romcc/tests/simple_test47.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/util/romcc/tests/simple_test47.c b/util/romcc/tests/simple_test47.c new file mode 100644 index 0000000000..28d72eaa9a --- /dev/null +++ b/util/romcc/tests/simple_test47.c @@ -0,0 +1,43 @@ +static void spd_set_memclk(void) +{ + unsigned min_cycle_time, min_latency; + unsigned device; + int new_cycle_time, new_latency; + int index; + int latency; + + min_cycle_time = 0x50; + min_latency = 2; + device = 0x50; + new_latency = 5; + new_cycle_time = 0xa0; + latency = 23; + + for(index = 0; index < 3; index++, latency++) { + unsigned long loops; + unsigned address = index; + + loops = 1000000; + do { + } while(--loops); + if (loops) { + continue; + } + + __builtin_outb(device, 0x10e4); + + __builtin_outb(address & 0xFF, 0x10e8); + + loops = 1000000; + while(--loops) + ; + } + + if (new_cycle_time > min_cycle_time) { + min_cycle_time = new_cycle_time; + } + if (new_latency > min_latency) { + min_latency = new_latency; + } +} + |