#include <sys/types.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <fcntl.h>
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#include <malloc.h>
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#include <malloc.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <stdio.h>
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#include <spartan_kint.h>
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#include <spartan_kint.h>
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#include <sys/ioctl.h>
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#include <sys/ioctl.h>
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int main()
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int main()
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{
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{
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int result ;
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int result ;
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int fd ;
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int fd ;
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unsigned long *buf ;
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unsigned long *buf ;
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unsigned long value ;
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unsigned long value ;
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unsigned long base ;
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unsigned long base ;
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unsigned long base_size ;
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unsigned long base_size ;
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fd = open("/dev/spartan", O_RDWR) ;
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fd = open("/dev/spartan", O_RDWR) ;
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if (fd < 0)
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if (fd < 0)
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return fd ;
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return fd ;
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buf = (void *)malloc(4) ;
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buf = (void *)malloc(4) ;
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if (buf == NULL)
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if (buf == NULL)
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return -1 ;
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return -1 ;
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// probe driver
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// probe driver
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result = ioctl(fd, SPARTAN_IOC_CURRESGET) ;
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result = ioctl(fd, SPARTAN_IOC_CURRESGET) ;
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if (result > 0)
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if (result > 0)
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printf("Driver reports enabled resource although it was not enabled through ioctl yet\n!") ;
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printf("Driver reports enabled resource although it was not enabled through ioctl yet\n!") ;
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result = ioctl(fd, SPARTAN_IOC_NUMOFRES) ;
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result = ioctl(fd, SPARTAN_IOC_NUMOFRES) ;
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if (result != 2)
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if (result != 2)
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printf("SDRAM reference design implements 2 BARs, driver reported %d!\n", result) ;
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printf("SDRAM reference design implements 2 BARs, driver reported %d!\n", result) ;
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result = ioctl(fd, SPARTAN_IOC_CURBASE, &base) ;
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result = ioctl(fd, SPARTAN_IOC_CURBASE, &base) ;
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if (base)
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if (base)
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printf("Driver reports base address resource selected although it was not yet initialized!\n") ;
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printf("Driver reports base address resource selected although it was not yet initialized!\n") ;
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result = ioctl(fd, SPARTAN_IOC_CURBASEMAP, &base) ;
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result = ioctl(fd, SPARTAN_IOC_CURBASEMAP, &base) ;
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if (base)
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if (base)
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printf("Driver reports base address remaped although it was not yet initialized!\n") ;
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printf("Driver reports base address remaped although it was not yet initialized!\n") ;
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result = ioctl(fd, SPARTAN_IOC_CURBASESIZE, &base_size) ;
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result = ioctl(fd, SPARTAN_IOC_CURBASESIZE, &base_size) ;
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if (base_size)
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if (base_size)
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printf("Driver reports base address range non-zero although it was not yet initialized!\n") ;
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printf("Driver reports base address range non-zero although it was not yet initialized!\n") ;
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// activate resource 1
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// activate resource 1
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value = 0x00000001 ;
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value = 0x00000001 ;
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result = ioctl(fd, SPARTAN_IOC_CURRESSET, value) ;
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result = ioctl(fd, SPARTAN_IOC_CURRESSET, value) ;
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if (result)
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if (result)
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printf("Driver reported failure to intialize resource 1 !\n") ;
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printf("Driver reported failure to intialize resource 1 !\n") ;
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// activate resource 2
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// activate resource 2
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value = 0x00000002 ;
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value = 0x00000002 ;
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result = ioctl(fd, SPARTAN_IOC_CURRESSET, value) ;
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result = ioctl(fd, SPARTAN_IOC_CURRESSET, value) ;
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if (result)
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if (result)
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printf("Driver reported failure to intialize resource 2!\n") ;
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printf("Driver reported failure to intialize resource 2!\n") ;
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// check if ioctl returns any meaningful values!
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// check if ioctl returns any meaningful values!
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result = ioctl(fd, SPARTAN_IOC_CURRESGET) ;
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result = ioctl(fd, SPARTAN_IOC_CURRESGET) ;
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if (result != 2)
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if (result != 2)
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printf("Resource 2 was enabled, driver reports resurce %d active!\n", result) ;
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printf("Resource 2 was enabled, driver reports resurce %d active!\n", result) ;
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result = ioctl(fd, SPARTAN_IOC_CURBASE, &base) ;
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result = ioctl(fd, SPARTAN_IOC_CURBASE, &base) ;
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if (!base)
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if (!base)
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printf("Driver should report non-zero base address when resource is selected!\n") ;
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printf("Driver should report non-zero base address when resource is selected!\n") ;
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else
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else
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printf("Driver reports SDRAM at address %X\n", base) ;
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printf("Driver reports SDRAM at address %X\n", base) ;
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result = ioctl(fd, SPARTAN_IOC_CURBASEMAP, &base) ;
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result = ioctl(fd, SPARTAN_IOC_CURBASEMAP, &base) ;
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if (!base)
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if (!base)
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printf("Driver reports zero page base address although resource 2 is supposed to be enabled!\n") ;
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printf("Driver reports zero page base address although resource 2 is supposed to be enabled!\n") ;
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else
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else
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printf("Driver reports SDRAM at remaped address %X\n", base) ;
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printf("Driver reports SDRAM at remaped address %X\n", base) ;
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result = ioctl(fd, SPARTAN_IOC_CURBASESIZE, &base_size) ;
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result = ioctl(fd, SPARTAN_IOC_CURBASESIZE, &base_size) ;
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if (!base_size)
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if (!base_size)
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printf("Driver reports zero base address range although resource is supposed to be enabled\n") ;
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printf("Driver reports zero base address range although resource is supposed to be enabled\n") ;
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else
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else
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printf("Driver reports SDRAM size %li\n", base_size) ;
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printf("Driver reports SDRAM size %li\n", base_size) ;
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value = 0x00000001 ;
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value = 0x00000001 ;
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*(buf) = value ;
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*(buf) = value ;
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while ((result = write(fd, buf, 4)) > 0)
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while ((result = write(fd, buf, 4)) > 0)
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{
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{
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value = value + 1 ;
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value = value + 1 ;
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*(buf) = value ;
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*(buf) = value ;
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}
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}
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printf("%li writes succesfull!\n", value-1) ;
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printf("%li writes succesfull!\n", value-1) ;
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// go back to start of image
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// go back to start of image
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value = lseek(fd, 0, 0) ;
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value = lseek(fd, 0, 0) ;
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if (result != 0)
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if (result != 0)
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{
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{
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printf("Seek didn't reset offset to 0i\n") ;
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printf("Seek didn't reset offset to 0i\n") ;
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return -1 ;
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return -1 ;
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}
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}
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value = 0x00000001 ;
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value = 0x00000001 ;
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while ((result = read(fd, buf, 4)) > 0)
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while ((result = read(fd, buf, 4)) > 0)
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{
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{
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if (value != *buf)
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if (value != *buf)
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printf("Expected value was %X, actually read value was %X\n", value, *buf) ;
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printf("Expected value was %X, actually read value was %X\n", value, *buf) ;
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value = value + 1 ;
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value = value + 1 ;
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}
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}
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printf("%li reads done!\n", value-1) ;
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printf("%li reads done!\n", value-1) ;
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close(fd) ;
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close(fd) ;
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return result ;
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return result ;
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}
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}
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