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/* GPIO test */

#include "support.h"

/* Relative Register Addresses */

#define RGPIO_IN        (4 * 0x00)

#define RGPIO_OUT       (4 * 0x01)

#define RGPIO_OE        (4 * 0x02)

#define RGPIO_INTE      (4 * 0x03)

#define RGPIO_PTRIG     (4 * 0x04)

#define RGPIO_AUX       (4 * 0x05)

#define RGPIO_CTRL      (4 * 0x06)

/* Fields inside RGPIO_CTRL */

#define RGPIO_CTRL_ECLK      0x00000001

#define RGPIO_CTRL_NEC       0x00000002

#define RGPIO_CTRL_INTE      0x00000004

#define RGPIO_CTRL_INT       0x00000008

#define GPIO_BASE 0xB0000000LU

typedef volatile unsigned long *GPIO_REG;

GPIO_REG rgpio_in = (unsigned long *)(GPIO_BASE + RGPIO_IN),

  rgpio_out = (unsigned long *)(GPIO_BASE + RGPIO_OUT),

  rgpio_oe = (unsigned long *)(GPIO_BASE + RGPIO_OE),

  rgpio_inte = (unsigned long *)(GPIO_BASE + RGPIO_INTE),

  rgpio_ptrig = (unsigned long *)(GPIO_BASE + RGPIO_PTRIG),

  rgpio_aux = (unsigned long *)(GPIO_BASE + RGPIO_AUX),

  rgpio_ctrl = (unsigned long *)(GPIO_BASE + RGPIO_CTRL);

int main()

{

  printf( "Starting GPIO test\n" );

  while ( *rgpio_in != 0x01234567 )

    ;

  *rgpio_oe = 0xffffffff;

  *rgpio_out = 0x89abcdef;

  printf( "Ending GPIO test\n" );

  report (0xdeaddead);

  return 0;

}