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/* Panic handler. MUST BE PIC. BE CAREFUL WHAT YOU DO,

 * AS THERE ARE NO STATICS AVAILABLE, AND NOWHERE TO GO

 * MMU IS OFF!!!!!!!!

 */

#include <linux/kernel.h>

#include <asm/io.h>

#include <asm/registers.h>

/* THIS IS A PHYSICAL ADDRESS */

#define HDSP2534_ADDR (0x04002100)

void

panic_handler(unsigned long panicPC, unsigned long panicSSR,

              unsigned long panicEXPEVT)

{

        int i;

        unsigned nibble;

#ifdef CONFIG_SH_CAYMAN

        while (1) {

                /* This piece of code displays the PC on the LED display */

                for (i = 0; i < 8; i++) {

                        nibble = ((panicPC >> (i * 4)) & 0xf);

                        ctrl_outb(nibble + ((nibble > 9) ? 55 : 48),

                                  HDSP2534_ADDR + 0xe0 + ((7 - i) << 2));

                }

                for (i = 0; i < 2500000; i++) {

                }               /* poor man's delay */

                for (i = 0; i < 8; i++) {

                        nibble = ((panicSSR >> (i * 4)) & 0xf);

                        ctrl_outb(nibble + ((nibble > 9) ? 55 : 48),

                                  HDSP2534_ADDR + 0xe0 + ((7 - i) << 2));

                }

                for (i = 0; i < 2500000; i++) {

                }               /* poor man's delay */

                for (i = 0; i < 8; i++) {

                        nibble = ((panicEXPEVT >> (i * 4)) & 0xf);

                        ctrl_outb(nibble + ((nibble > 9) ? 55 : 48),

                                  HDSP2534_ADDR + 0xe0 + ((7 - i) << 2));

                }

                for (i = 0; i < 2500000; i++) {

                }               /* poor man's delay */

        }

#endif

        /* Never return from the panic handler */

        for (;;) ;

}