powerpc, 8xx: remove support for 8xx

There was for long time no activity in the 8xx area.
We need to go further and convert to Kconfig, but it
turned out, nobody is interested anymore in 8xx,
so remove it (with a heavy heart, knowing that I remove
here the root of U-Boot).

Signed-off-by: Heiko Schocher <hs@denx.de>

1 files changed, 0 insertions, 216 deletions

diff --git a/arch/powerpc/cpu/mpc8xx/traps.c b/arch/powerpc/cpu/mpc8xx/traps.c
deleted file mode 100644
index 01f24ac..0000000
--- a/arch/powerpc/cpu/mpc8xx/traps.c
+++ /dev/null
@@ -1,216 +0,0 @@
-/*
- * linux/arch/powerpc/kernel/traps.c
- *
- * Copyright (C) 1995-1996  Gary Thomas (gdt@linuxppc.org)
- *
- * Modified by Cort Dougan (cort@cs.nmt.edu)
- * and Paul Mackerras (paulus@cs.anu.edu.au)
- *
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-/*
- * This file handles the architecture-dependent parts of hardware exceptions
- */
-
-#include <common.h>
-#include <command.h>
-#include <kgdb.h>
-#include <asm/processor.h>
-
-#if defined(CONFIG_CMD_BEDBUG)
-extern void do_bedbug_breakpoint(struct pt_regs *);
-#endif
-
-/* Returns 0 if exception not found and fixup otherwise.  */
-extern unsigned long search_exception_table(unsigned long);
-
-/* THIS NEEDS CHANGING to use the board info structure.
-*/
-#define END_OF_MEM	0x02000000
-
-/*
- * Trap & Exception support
- */
-
-static void print_backtrace(unsigned long *sp)
-{
-	int cnt = 0;
-	unsigned long i;
-
-	printf("Call backtrace: ");
-	while (sp) {
-		if ((uint)sp > END_OF_MEM)
-			break;
-
-		i = sp[1];
-		if (cnt++ % 7 == 0)
-			printf("\n");
-		printf("%08lX ", i);
-		if (cnt > 32) break;
-		sp = (unsigned long *)*sp;
-	}
-	printf("\n");
-}
-
-void show_regs(struct pt_regs *regs)
-{
-	int i;
-
-	printf("NIP: %08lX XER: %08lX LR: %08lX REGS: %p TRAP: %04lx DAR: %08lX\n",
-	       regs->nip, regs->xer, regs->link, regs, regs->trap, regs->dar);
-	printf("MSR: %08lx EE: %01x PR: %01x FP: %01x ME: %01x IR/DR: %01x%01x\n",
-	       regs->msr, regs->msr&MSR_EE ? 1 : 0, regs->msr&MSR_PR ? 1 : 0,
-	       regs->msr & MSR_FP ? 1 : 0,regs->msr&MSR_ME ? 1 : 0,
-	       regs->msr&MSR_IR ? 1 : 0,
-	       regs->msr&MSR_DR ? 1 : 0);
-
-	printf("\n");
-	for (i = 0;  i < 32;  i++) {
-		if ((i % 8) == 0)
-		{
-			printf("GPR%02d: ", i);
-		}
-
-		printf("%08lX ", regs->gpr[i]);
-		if ((i % 8) == 7)
-		{
-			printf("\n");
-		}
-	}
-}
-
-
-static void _exception(int signr, struct pt_regs *regs)
-{
-	show_regs(regs);
-	print_backtrace((unsigned long *)regs->gpr[1]);
-	panic("Exception in kernel pc %lx signal %d",regs->nip,signr);
-}
-
-void MachineCheckException(struct pt_regs *regs)
-{
-	unsigned long fixup;
-
-	/* Probing PCI using config cycles cause this exception
-	 * when a device is not present.  Catch it and return to
-	 * the PCI exception handler.
-	 */
-	if ((fixup = search_exception_table(regs->nip)) != 0) {
-		regs->nip = fixup;
-		return;
-	}
-
-#if defined(CONFIG_CMD_KGDB)
-	if (debugger_exception_handler && (*debugger_exception_handler)(regs))
-		return;
-#endif
-
-	printf("Machine check in kernel mode.\n");
-	printf("Caused by (from msr): ");
-	printf("regs %p ",regs);
-	switch( regs->msr & 0x000F0000) {
-	case (0x80000000>>12):
-		printf("Machine check signal - probably due to mm fault\n"
-			"with mmu off\n");
-		break;
-	case (0x80000000>>13):
-		printf("Transfer error ack signal\n");
-		break;
-	case (0x80000000>>14):
-		printf("Data parity signal\n");
-		break;
-	case (0x80000000>>15):
-		printf("Address parity signal\n");
-		break;
-	default:
-		printf("Unknown values in msr\n");
-	}
-	show_regs(regs);
-	print_backtrace((unsigned long *)regs->gpr[1]);
-	panic("machine check");
-}
-
-void AlignmentException(struct pt_regs *regs)
-{
-#if defined(CONFIG_CMD_KGDB)
-	if (debugger_exception_handler && (*debugger_exception_handler)(regs))
-		return;
-#endif
-	show_regs(regs);
-	print_backtrace((unsigned long *)regs->gpr[1]);
-	panic("Alignment Exception");
-}
-
-void ProgramCheckException(struct pt_regs *regs)
-{
-#if defined(CONFIG_CMD_KGDB)
-	if (debugger_exception_handler && (*debugger_exception_handler)(regs))
-		return;
-#endif
-	show_regs(regs);
-	print_backtrace((unsigned long *)regs->gpr[1]);
-	panic("Program Check Exception");
-}
-
-void SoftEmuException(struct pt_regs *regs)
-{
-#if defined(CONFIG_CMD_KGDB)
-	if (debugger_exception_handler && (*debugger_exception_handler)(regs))
-		return;
-#endif
-	show_regs(regs);
-	print_backtrace((unsigned long *)regs->gpr[1]);
-	panic("Software Emulation Exception");
-}
-
-
-void UnknownException(struct pt_regs *regs)
-{
-#if defined(CONFIG_CMD_KGDB)
-	if (debugger_exception_handler && (*debugger_exception_handler)(regs))
-		return;
-#endif
-	printf("Bad trap at PC: %lx, SR: %lx, vector=%lx\n",
-	       regs->nip, regs->msr, regs->trap);
-	_exception(0, regs);
-}
-
-void DebugException(struct pt_regs *regs)
-{
-  printf("Debugger trap at @ %lx\n", regs->nip );
-  show_regs(regs);
-#if defined(CONFIG_CMD_BEDBUG)
-  do_bedbug_breakpoint( regs );
-#endif
-}
-
-/* Probe an address by reading.  If not present, return -1, otherwise
- * return 0.
- */
-int addr_probe(uint *addr)
-{
-#if 0
-	int	retval;
-
-	__asm__ __volatile__(			\
-		"1:	lwz %0,0(%1)\n"		\
-		"	eieio\n"		\
-		"	li %0,0\n"		\
-		"2:\n"				\
-		".section .fixup,\"ax\"\n"	\
-		"3:	li %0,-1\n"		\
-		"	b 2b\n"			\
-		".section __ex_table,\"a\"\n"	\
-		"	.align 2\n"		\
-		"	.long 1b,3b\n"		\
-		".text"				\
-		: "=r" (retval) : "r"(addr));
-
-	return (retval);
-#endif
-	return 0;
-}