107 lines
2.3 KiB
C
107 lines
2.3 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <irq.h>
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#include <uart.h>
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#include <time.h>
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#include <generated/csr.h>
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#include <generated/mem.h>
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#include <hw/flags.h>
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#include <console.h>
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#include <system.h>
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static unsigned int log2(unsigned int v)
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{
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unsigned int r;
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r = 0;
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while(v>>=1) r++;
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return r;
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}
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static void membw_service(void)
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{
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static int last_event;
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unsigned long long int nr, nw;
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unsigned long long int f;
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unsigned int rdb, wrb;
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unsigned int dw;
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if(elapsed(&last_event, identifier_frequency_read())) {
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sdram_controller_bandwidth_update_write(1);
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nr = sdram_controller_bandwidth_nreads_read();
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nw = sdram_controller_bandwidth_nwrites_read();
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f = identifier_frequency_read();
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dw = sdram_controller_bandwidth_data_width_read();
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rdb = (nr*f >> (24 - log2(dw)))/1000000ULL;
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wrb = (nw*f >> (24 - log2(dw)))/1000000ULL;
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printf("read:%5dMbps write:%5dMbps all:%5dMbps\n", rdb, wrb, rdb + wrb);
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}
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}
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//#define DEBUG
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static void memtest_service(void)
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{
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static unsigned int test_buffer[(MAIN_RAM_SIZE/2)/4] __attribute__((aligned(16)));
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static unsigned char reading;
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static unsigned int err, total_err;
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#ifdef DEBUG
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int i;
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#endif
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if(reading) {
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if(!memtest_w_busy_read()) {
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#ifdef DEBUG
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flush_l2_cache();
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flush_cpu_dcache();
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printf("starting read\n");
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for(i=0;i<64;i++) {
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printf("%08x", test_buffer[i]);
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if((i % 4) == 3)
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printf("\n");
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}
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#endif
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memtest_r_reset_write(1);
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memtest_r_base_write((unsigned int)test_buffer);
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memtest_r_length_write(sizeof(test_buffer));
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memtest_r_shoot_write(1);
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reading = 0;
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}
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} else {
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if(!memtest_r_busy_read()) {
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err = memtest_r_error_count_read();
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total_err += err;
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printf("err=%d\t\ttotal=%d\n", err, total_err);
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memtest_w_reset_write(1);
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memtest_w_base_write((unsigned int)test_buffer);
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memtest_w_length_write(sizeof(test_buffer));
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memtest_w_shoot_write(1);
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reading = 1;
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}
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}
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}
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int main(void)
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{
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irq_setmask(0);
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irq_setie(1);
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uart_init();
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puts("Memory testing software built "__DATE__" "__TIME__"\n");
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if((memtest_w_magic_read() != 0x361f) || (memtest_r_magic_read() != 0x361f)) {
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printf("Memory test cores not detected\n");
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while(1);
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}
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time_init();
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flush_l2_cache();
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while(1) {
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memtest_service();
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membw_service();
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}
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return 0;
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}
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