coreboot-kgpe-d16/util/romcc/tests/simple_test60.c

33 lines
696 B
C

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);
}