OpenCores
URL https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk

Subversion Repositories openrisc_2011-10-31

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  • This comparison shows the changes necessary to convert path 
    /openrisc/trunk/orpsocv2/sw/tests/sdram
    from Rev 403 to Rev 426
    ↔ Reverse comparison
  •

Rev 403 → Rev 426

/board/sdram-rows.c
0,0 → 1,84
/*
* SDRAM row test, for running on the board (with printfs)
*
* Tests accessing every row
*
*/
 
#include "cpu-utils.h"
#include "board.h"
#include "sdram.h"
#include "uart.h"
#include "printf.h"
 
#ifndef _SDRAM_H_
#define _SDRAM_H_
 
#ifdef MT48LC32M16A2 // 64MB SDRAM part
#define SDRAM_SIZE 0x04000000
#define SDRAM_ROW_SIZE 2048 // in bytes (10 bits col addr, 2 bytes per)
#define SDRAM_NUM_ROWS_PER_BANK (8192) // 13-bit row address
#define SDRAM_NUM_BANKS 4
#endif
 
#ifdef MT48LC16M16A2 // 32MB SDRAM part
#define SDRAM_SIZE 0x02000000
#define SDRAM_ROW_SIZE 1024 // in bytes (9 bits col addr, 2 bytes per)
#define SDRAM_NUM_ROWS_PER_BANK (8192) // 13-bit row address
#define SDRAM_NUM_BANKS 4
#endif
 
#ifdef MT48LC4M16A2 // 8MB SDRAM part
#define SDRAM_SIZE 0x800000
#define SDRAM_ROW_SIZE 512 // in bytes (8 bits col addr, 2 bytes per)
#define SDRAM_NUM_ROWS_PER_BANK (4096) // 12-bit row address
#define SDRAM_NUM_BANKS 4
#endif
 
 
#endif
 
 
#define SDRAM_NUM_ROWS (SDRAM_NUM_ROWS_PER_BANK * SDRAM_NUM_BANKS)
 
#define START_ROW 128
 
int main()
{
 
uart_init(DEFAULT_UART);
 
 
printf("\n\tSDRAM rows test\n");
 
printf("\n\tWriting\n");
int i; // Skip first 64KB, code/stack resides there - TODO determine this from
// stack linker variable!
for(i=START_ROW;i<(SDRAM_NUM_ROWS);i++)
{
REG32((i*(SDRAM_ROW_SIZE))) = i;
printf("\r\t0x%x", i);
}
 
printf("\n\tReading\n");
 
int read_result = 0;
 
for(i=START_ROW;i<(SDRAM_NUM_ROWS);i++)
{
printf("\r\t0x%x", i);
read_result = REG32((i*(SDRAM_ROW_SIZE)));
if (read_result != i)
{
printf("\n\Error at 0x%x, read 0x%x, expected 0x%x\n",
(i*SDRAM_ROW_SIZE), read_result, i);
report(0xbaaaaaad);
report(i);
report(read_result);
exit(0xbaaaaaad);
}
}
printf("\n\tTest OK.\n");
exit(0x8000000d);
}
/board/Makefile
0,0 → 1,14
SW_ROOT=../../..
include $(SW_ROOT)/Makefile.inc
 
OR32_CFLAGS += -I.
 
%.dis: %.elf
$(Q)$(OR32_OBJDUMP) -d $< > $@
 
%.bin: %.elf
$(Q)$(OR32_OBJCOPY) -O binary $< $@
 
clean:
$(Q)rm -f *.elf *.bin *.vmem *.flashin *.dis
 
/sim/sdram-board-rows.c File deleted
/sim/sdram-cols.c
6,7 → 6,7
*
*/
 
#include "or32-utils.h"
#include "cpu-utils.h"
#include "board.h"
#include "sdram.h"
 

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