util/romcc/tests/simple_test60.c


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

struct mem_param {
	unsigned char cycle_time;
	unsigned char divisor;
	unsigned char tRC;
	unsigned char tRFC;
	unsigned dch_memclk;
	unsigned short dch_tref4k, dch_tref8k;
	unsigned char dtl_twr;
	char name[9];
};

static void test(void)
{
	static const struct mem_param param0 = {
		.name = "166Mhz\r\n",
		.cycle_time = 0x60,
		.divisor = (6<<1),
		.tRC = 0x3C,
		.tRFC = 0x48,
		.dch_memclk = 5 << 20,
		.dch_tref4k = 0x02,
		.dch_tref8k = 0x0A,
		.dtl_twr = 3,
	};
	int value;
	unsigned clocks;
	const struct mem_param *param;
	param = &param0;
	value = 0x48;
#warning "this generates word loads instead of byte loads"
	clocks = (value + (param->divisor << 1) - 1)/(param->divisor << 1);
}