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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 (;;) ;
 
}