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#include <common.h>
#if defined(CONFIG_MACH_RDA8810E) || defined(CONFIG_MACH_RDA8810H) || defined(CONFIG_MACH_RDA8850E)
#define DDR_TEST_DEBUG
#ifdef DDR_TEST_DEBUG
#define d_printf printf
#else
#define d_printf(...) do{}while(0)
#endif
/* HWTIMER frequency is 2M,so 1 tick is 0.5 us */
#define TIME_TICK_TO_US(t) (t/2)
#define DDR_MEM_START_ADDR 0X80000000
#define DDR_MEM_END_ADDR 0XBFFFFFFF
int ddr_mem_copy_test(int times,unsigned int src_addr, unsigned int des_addr, unsigned int nword)
{
unsigned int err = 0;
unsigned int *ptr_src,*ptr_des,n = 0;
int count = 0;
unsigned long long tick1 = 0,tick2 = 0;
/* checkt test times value */
if((times <= 0)
||(src_addr<DDR_MEM_START_ADDR)
||(src_addr>DDR_MEM_END_ADDR)
||(des_addr<DDR_MEM_START_ADDR)
||(des_addr>DDR_MEM_END_ADDR)) {
printf("\nInvalid parameters,times: %d\t,src_addr: 0x%x\t,des_addr: 0x%x\t, nword: 0x%x\n",
times,src_addr, des_addr,nword);
return -1;
}
printf("\n_ddr_mem_copy_test,times:%d\t,src_addr: 0x%x\t,des_addr: 0x%x\t, nword: 0x%x\n",
times,src_addr, des_addr,nword);
LAB_COPY:
tick1 = get_ticks();
d_printf("tick1: %llu\n",tick1);
/* copy data from src to des */
ptr_src = (unsigned int *)src_addr;
ptr_des = (unsigned int *)des_addr;
n = nword;
d_printf("data copying...\n");
while(n--) {
*ptr_des++ = *ptr_src++;
}
/* compare src and des */
ptr_src = (unsigned int *)src_addr;
ptr_des = (unsigned int *)des_addr;
n = nword;
d_printf("data checking...\n");
while(n--) {
if(*ptr_des != *ptr_src) {
err = 1;
break;
}
ptr_des++;
ptr_src++;
}
tick2 = get_ticks();
d_printf("tick2: %llu\n",tick2);
tick1 = (tick2 > tick1)?(tick2 - tick1):(tick1 - tick2);
d_printf("tick2 - tick1: %llu\n",tick1);
printf("\n\ncost time: %llu us\n",TIME_TICK_TO_US(tick1));
count++;
/* print result message */
if(err != 0) {
printf("ddr memory copy test error. times: %d\t,position: %d\n",count,nword-n);
return -1;
} else {
printf("ddr memory copy test success. times: %d\t\n",count);
}
/* check loop */
if(count < times)
goto LAB_COPY;
return 0;
}
#endif
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