static int ddr_addrtrain(void)
{
ddrtr_t entry;
struct ddrtr_result_t *result;
struct ddrtr_param_t param;
param.cmd = DDRTR_PARAM_ADDRTRAIN;
entry = (ddrtr_t)get_ddrtr_entry();
if (!entry)
return -1;
printf("## DDR address training entry: 0x%08X, ", (unsigned int)entry);
asm("mcr p15, 0, r0, c7, c5, 0");
asm("mcr p15, 0, r0, c7, c10, 4");
result = entry(¶m);
if (!result) {
printf("## DDR address training fail, reset system.\n");
reset_cpu(0);
return 0;
}
memcpy((void *)&ddrtr_result, result, sizeof(ddrtr_result));
printf("## DDR address training terminated.\n");
ddr_training_result((unsigned int)(&(ddrtr_result.data)));
printf("\nDDR address training Registers and Value:\n");
printf(dump_ddrtr_result(result, '\n'));
return 0;
}
int ddr_training(void)
{
ddrtr_t entry;
unsigned int start, length;
struct ddrtr_result_t *result;
struct ddrtr_param_t param;
start = get_ddr_free(&length, 0x100000);
param.cmd = DDRTR_PARAM_TRAINING;
param.train.start = start;
param.train.length = length;
entry = (ddrtr_t)get_ddrtr_entry();
if (!entry)
return -1;
printf("## DDR training entry: 0x%08X area: 0x%08X - 0x%08X\n",
(unsigned int)entry, start, start + length);
asm("mcr p15, 0, r0, c7, c5, 0");
asm("mcr p15, 0, r0, c7, c10, 4");
result = entry(¶m);
if (!result) {
printf("## DDR training fail, reset system.\n");
reset_cpu(0);
return 0;
}
memcpy((void *)&ddrtr_result, result, sizeof(ddrtr_result));
printf("## DDR training terminated.\n");
ddr_training_result((unsigned int)(&(ddrtr_result.data)));
printf("\nDDR Training Registers and Value:\n");
printf(dump_ddrtr_result(result, '\n'));
return 0;
}
int ddr_training(void)
{
ddrtr_t entry;
unsigned int start, end;
struct ddrtr_result_t *result;
start = get_ddr_free(&end, 0x100000);
end += start;
entry = (ddrtr_t)get_ddrtr_entry();
if (!entry)
return -1;
printf ("## DDR training entry: 0x%08X, "
"training area: 0x%08X - 0x%08X\n",
(unsigned int)entry, start, end);
asm("mcr p15, 0, r0, c7, c5, 0");
asm("mcr p15, 0, r0, c7, c10, 4");
result = entry(start, (end - start));
if (!result) {
printf("## DDR training fail, reset system.\n");
reset_cpu(0);
return 0;
}
memcpy((void*)&ddrtr_result, result, sizeof(ddrtr_result));
printf ("## DDR training terminated.\n");
ddr_training_result((unsigned int)(&(ddrtr_result.data)));
printf("\nDDR Training Registers and Value:\n");
printf(dump_ddrtr_result(result, '\n'));
return 0;
}
static int ddrt_pressure(int argc, char *argv[])
{
ddrtr_t entry;
struct ddrtr_result_t *result;
unsigned int mode = 0;
unsigned int codetype = 0;
unsigned long cnt = 1;
unsigned int burstnum = 0;
unsigned int change_bit = 0;
struct ddrtr_param_t param;
char *endp;
if (argc > 6)
goto usage;
if (argc > 1) {
mode = simple_strtoul(argv[1], &endp, 0);
if (mode > 10)
goto usage;
}
if (argc > 2) {
codetype = simple_strtoul(argv[2], &endp, 0);
if (codetype > 3)
goto usage;
}
if (argc > 3)
cnt = simple_strtoull(argv[3], &endp, 0);
if (argc > 4)
burstnum = simple_strtoull(argv[4], &endp, 0);
if (argc > 5)
change_bit = simple_strtoull(argv[5], &endp, 0);
entry = (ddrtr_t)get_ddrtr_entry();
asm("mcr p15, 0, r0, c7, c5, 0");
asm("mcr p15, 0, r0, c7, c10, 4");
param.cmd = DDRTR_PARAM_PRESSURE;
param.pressure.mode = mode;
param.pressure.codetype = codetype;
param.pressure.count = cnt;
param.pressure.burstnum = burstnum;
param.pressure.changebit = change_bit;
result = entry(¶m);
if (!result) {
printf("## DDR pressure fail, reset system.\n");
reset_cpu(0);
return 0;
}
return 0;
usage:
puts("ddr pressure [mode] [codetype] [count] [burstnum] [changebit]\n"
" do DDR training stress tests\n"
" mode\n"
" - 0 write & read\n"
" - 1 write\n"
" - 2 read\n"
" - 3 randrom write & read\n"
" codetype\n"
" - 0 PRBS9\n"
" - 1 PRBS7\n"
" - 2 PRBS11\n"
" - 3 K28.5\n"
" count send len\n"
" burstnum burst num\n"
" changebit change bit\n");
return -1;
}