78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
/* SAKC FPGA/SRAM interface test
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Copyright (C) 2010 Carlos Camargo cicamargoba@unal.edu.co
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Andres Calderon andres.calderon@emqbit.com
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include "jz47xx_gpio.h"
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#include "jz47xx_mmap.h"
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#define CS2_PORT JZ_GPIO_PORT_B
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#define CS2_PIN 26
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int
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main ()
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{
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int i;
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JZ_PIO *pio;
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int *virt_addr;
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// Set GPIOB26 as part of External Memory Controller
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pio = jz_gpio_map (CS2_PORT);
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jz_gpio_as_func (pio, CS2_PIN, 0);
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virt_addr = (int *) jz_mmap (0x13010000) + 0x18;
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if (*virt_addr != 0xFFF7700)
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{ // 0 WS, 8 bits
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*virt_addr = 0xFFF7700;
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printf ("Configuring CS2 8 bits \n");
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}
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else
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printf ("CS3, already configured\n");
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virt_addr = (int *) jz_fpga_map (0x15000000);
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printf ("Writing Memory..\n");
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// srand48(0x3c);
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for (i = 0; i < FPGA_SIZE/4; i++)
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// virt_addr[i] = (lrand48() & 0x00ff);
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virt_addr[i] = (lrand48() & 0x00ff);
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printf ("Reading Memory..\n");
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srand48(0x3c);
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for (i = 0; i < FPGA_SIZE/4; i++){
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printf("%X\n", virt_addr[i]);
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if (virt_addr[i] != (lrand48() & 0x00ff)){
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printf ("FPGA - Xburst connection test failed on Address:0x%x\n", i);
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return 1; /* Error */
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}
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}
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printf ("%d\n", i);
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printf ("FPGA - Xburst connection test passed\n");
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return 0;
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}
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