blob: 2d3764e4582017bc7dcfb8fb9d44cd0687cd4ddc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
static void spd_set_memclk(void)
{
static const int indices[] = { 26, 23, 9 };
int new_cycle_time, new_latency;
int index;
unsigned min_cycle_time, min_latency;
unsigned device;
min_cycle_time = 0x50;
min_latency = 2;
device = 0x50;
new_cycle_time = 0xa0;
new_latency = 5;
for(index = 0; index < 3; index++) {
unsigned long loops;
unsigned long address;
address = indices[index];
loops = 1000000;
do {
} while(--loops);
if (loops < 0) {
continue;
}
__builtin_outb(device, 0x10e4);
__builtin_outb(address, 0x10e8);
loops = 1000000;
if ((loops?0:-1) < 0) {
continue;
}
}
if (new_cycle_time > min_cycle_time) {
min_cycle_time = new_cycle_time;
}
if (new_latency > min_latency) {
min_latency = new_latency;
}
}
|