powerpc: Remove arch/ppc and include/asm-ppc

All the maintained platforms are now in arch/powerpc, so the old
arch/ppc stuff can now go away.

Acked-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Becky Bruce <becky.bruce@freescale.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Jochen Friedrich <jochen@scram.de>
Acked-by: John Linn <john.linn@xilinx.com>
Acked-by: Jon Loeliger <jdl@freescale.com>
Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Scott Wood <scottwood@freescale.com>
Acked-by: Sean MacLennan <smaclennan@pikatech.com>
Acked-by: Segher Boessenkool <segher@kernel.crashing.org>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Acked-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 0 insertions, 1220 deletions

diff --git a/arch/ppc/kernel/head.S b/arch/ppc/kernel/head.S
deleted file mode 100644
index e7e642b9513..00000000000
--- a/arch/ppc/kernel/head.S
+++ /dev/null
@@ -1,1220 +0,0 @@
-/*
- *  PowerPC version
- *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
- *
- *  Rewritten by Cort Dougan (cort@cs.nmt.edu) for PReP
- *    Copyright (C) 1996 Cort Dougan <cort@cs.nmt.edu>
- *  Adapted for Power Macintosh by Paul Mackerras.
- *  Low-level exception handlers and MMU support
- *  rewritten by Paul Mackerras.
- *    Copyright (C) 1996 Paul Mackerras.
- *  MPC8xx modifications Copyright (C) 1997 Dan Malek (dmalek@jlc.net).
- *  Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
- *
- *  This file contains the low-level support and setup for the
- *  PowerPC platform, including trap and interrupt dispatch.
- *  (The PPC 8xx embedded CPUs use head_8xx.S instead.)
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU General Public License
- *  as published by the Free Software Foundation; either version
- *  2 of the License, or (at your option) any later version.
- *
- */
-
-#include <asm/processor.h>
-#include <asm/page.h>
-#include <asm/mmu.h>
-#include <asm/pgtable.h>
-#include <asm/cputable.h>
-#include <asm/cache.h>
-#include <asm/thread_info.h>
-#include <asm/ppc_asm.h>
-#include <asm/asm-offsets.h>
-
-/* 601 only have IBAT; cr0.eq is set on 601 when using this macro */
-#define LOAD_BAT(n, reg, RA, RB)	\
-	/* see the comment for clear_bats() -- Cort */ \
-	li	RA,0;			\
-	mtspr	SPRN_IBAT##n##U,RA;	\
-	mtspr	SPRN_DBAT##n##U,RA;	\
-	lwz	RA,(n*16)+0(reg);	\
-	lwz	RB,(n*16)+4(reg);	\
-	mtspr	SPRN_IBAT##n##U,RA;	\
-	mtspr	SPRN_IBAT##n##L,RB;	\
-	beq	1f;			\
-	lwz	RA,(n*16)+8(reg);	\
-	lwz	RB,(n*16)+12(reg);	\
-	mtspr	SPRN_DBAT##n##U,RA;	\
-	mtspr	SPRN_DBAT##n##L,RB;	\
-1:
-
-	.text
-	.stabs	"arch/ppc/kernel/",N_SO,0,0,0f
-	.stabs	"head.S",N_SO,0,0,0f
-0:
-	.globl	_stext
-_stext:
-
-/*
- * _start is defined this way because the XCOFF loader in the OpenFirmware
- * on the powermac expects the entry point to be a procedure descriptor.
- */
-	.text
-	.globl	_start
-_start:
-	/*
-	 * These are here for legacy reasons, the kernel used to
-	 * need to look like a coff function entry for the pmac
-	 * but we're always started by some kind of bootloader now.
-	 *  -- Cort
-	 */
-	nop	/* used by __secondary_hold on prep (mtx) and chrp smp */
-	nop	/* used by __secondary_hold on prep (mtx) and chrp smp */
-	nop
-
-/* PMAC
- * Enter here with the kernel text, data and bss loaded starting at
- * 0, running with virtual == physical mapping.
- * r5 points to the prom entry point (the client interface handler
- * address).  Address translation is turned on, with the prom
- * managing the hash table.  Interrupts are disabled.  The stack
- * pointer (r1) points to just below the end of the half-meg region
- * from 0x380000 - 0x400000, which is mapped in already.
- *
- * If we are booted from MacOS via BootX, we enter with the kernel
- * image loaded somewhere, and the following values in registers:
- *  r3: 'BooX' (0x426f6f58)
- *  r4: virtual address of boot_infos_t
- *  r5: 0
- *
- * APUS
- *   r3: 'APUS'
- *   r4: physical address of memory base
- *   Linux/m68k style BootInfo structure at &_end.
- *
- * PREP
- * This is jumped to on prep systems right after the kernel is relocated
- * to its proper place in memory by the boot loader.  The expected layout
- * of the regs is:
- *   r3: ptr to residual data
- *   r4: initrd_start or if no initrd then 0
- *   r5: initrd_end - unused if r4 is 0
- *   r6: Start of command line string
- *   r7: End of command line string
- *
- * This just gets a minimal mmu environment setup so we can call
- * start_here() to do the real work.
- * -- Cort
- */
-
-	.globl	__start
-__start:
-	mr	r31,r3			/* save parameters */
-	mr	r30,r4
-	mr	r29,r5
-	mr	r28,r6
-	mr	r27,r7
-	li	r24,0			/* cpu # */
-
-/*
- * early_init() does the early machine identification and does
- * the necessary low-level setup and clears the BSS
- *  -- Cort <cort@fsmlabs.com>
- */
-	bl	early_init
-
-/* Switch MMU off, clear BATs and flush TLB. At this point, r3 contains
- * the physical address we are running at, returned by early_init()
- */
- 	bl	mmu_off
-__after_mmu_off:
-	bl	clear_bats
-	bl	flush_tlbs
-
-	bl	initial_bats
-#ifdef CONFIG_BOOTX_TEXT
-	bl	setup_disp_bat
-#endif
-
-/*
- * Call setup_cpu for CPU 0 and initialize 6xx Idle
- */
-	bl	reloc_offset
-	li	r24,0			/* cpu# */
-	bl	call_setup_cpu		/* Call setup_cpu for this CPU */
-#ifdef CONFIG_6xx
-	bl	reloc_offset
-	bl	init_idle_6xx
-#endif /* CONFIG_6xx */
-
-
-/*
- * We need to run with _start at physical address 0.
- * If the MMU is already turned on, we copy stuff to KERNELBASE,
- * otherwise we copy it to 0.
- */
-	bl	reloc_offset
-	mr	r26,r3
-	addis	r4,r3,KERNELBASE@h	/* current address of _start */
-	cmpwi	0,r4,0			/* are we already running at 0? */
-	bne	relocate_kernel
-
-/*
- * we now have the 1st 16M of ram mapped with the bats.
- * prep needs the mmu to be turned on here, but pmac already has it on.
- * this shouldn't bother the pmac since it just gets turned on again
- * as we jump to our code at KERNELBASE. -- Cort
- * Actually no, pmac doesn't have it on any more. BootX enters with MMU
- * off, and in other cases, we now turn it off before changing BATs above.
- */
-turn_on_mmu:
-	mfmsr	r0
-	ori	r0,r0,MSR_DR|MSR_IR
-	mtspr	SPRN_SRR1,r0
-	lis	r0,start_here@h
-	ori	r0,r0,start_here@l
-	mtspr	SPRN_SRR0,r0
-	SYNC
-	RFI				/* enables MMU */
-
-/*
- * We need __secondary_hold as a place to hold the other cpus on
- * an SMP machine, even when we are running a UP kernel.
- */
-	. = 0xc0			/* for prep bootloader */
-	li	r3,1			/* MTX only has 1 cpu */
-	.globl	__secondary_hold
-__secondary_hold:
-	/* tell the master we're here */
-	stw	r3,4(0)
-#ifdef CONFIG_SMP
-100:	lwz	r4,0(0)
-	/* wait until we're told to start */
-	cmpw	0,r4,r3
-	bne	100b
-	/* our cpu # was at addr 0 - go */
-	mr	r24,r3			/* cpu # */
-	b	__secondary_start
-#else
-	b	.
-#endif /* CONFIG_SMP */
-
-/*
- * Exception entry code.  This code runs with address translation
- * turned off, i.e. using physical addresses.
- * We assume sprg3 has the physical address of the current
- * task's thread_struct.
- */
-#define EXCEPTION_PROLOG	\
-	mtspr	SPRN_SPRG0,r10;	\
-	mtspr	SPRN_SPRG1,r11;	\
-	mfcr	r10;		\
-	EXCEPTION_PROLOG_1;	\
-	EXCEPTION_PROLOG_2
-
-#define EXCEPTION_PROLOG_1	\
-	mfspr	r11,SPRN_SRR1;		/* check whether user or kernel */ \
-	andi.	r11,r11,MSR_PR;	\
-	tophys(r11,r1);			/* use tophys(r1) if kernel */ \
-	beq	1f;		\
-	mfspr	r11,SPRN_SPRG3;	\
-	lwz	r11,THREAD_INFO-THREAD(r11);	\
-	addi	r11,r11,THREAD_SIZE;	\
-	tophys(r11,r11);	\
-1:	subi	r11,r11,INT_FRAME_SIZE	/* alloc exc. frame */
-
-
-#define EXCEPTION_PROLOG_2	\
-	CLR_TOP32(r11);		\
-	stw	r10,_CCR(r11);		/* save registers */ \
-	stw	r12,GPR12(r11);	\
-	stw	r9,GPR9(r11);	\
-	mfspr	r10,SPRN_SPRG0;	\
-	stw	r10,GPR10(r11);	\
-	mfspr	r12,SPRN_SPRG1;	\
-	stw	r12,GPR11(r11);	\
-	mflr	r10;		\
-	stw	r10,_LINK(r11);	\
-	mfspr	r12,SPRN_SRR0;	\
-	mfspr	r9,SPRN_SRR1;	\
-	stw	r1,GPR1(r11);	\
-	stw	r1,0(r11);	\
-	tovirt(r1,r11);			/* set new kernel sp */	\
-	li	r10,MSR_KERNEL & ~(MSR_IR|MSR_DR); /* can take exceptions */ \
-	MTMSRD(r10);			/* (except for mach check in rtas) */ \
-	stw	r0,GPR0(r11);	\
-	SAVE_4GPRS(3, r11);	\
-	SAVE_2GPRS(7, r11)
-
-/*
- * Note: code which follows this uses cr0.eq (set if from kernel),
- * r11, r12 (SRR0), and r9 (SRR1).
- *
- * Note2: once we have set r1 we are in a position to take exceptions
- * again, and we could thus set MSR:RI at that point.
- */
-
-/*
- * Exception vectors.
- */
-#define EXCEPTION(n, label, hdlr, xfer)		\
-	. = n;					\
-label:						\
-	EXCEPTION_PROLOG;			\
-	addi	r3,r1,STACK_FRAME_OVERHEAD;	\
-	xfer(n, hdlr)
-
-#define EXC_XFER_TEMPLATE(n, hdlr, trap, copyee, tfer, ret)	\
-	li	r10,trap;					\
-	stw	r10,TRAP(r11);					\
-	li	r10,MSR_KERNEL;					\
-	copyee(r10, r9);					\
-	bl	tfer;						\
-i##n:								\
-	.long	hdlr;						\
-	.long	ret
-
-#define COPY_EE(d, s)		rlwimi d,s,0,16,16
-#define NOCOPY(d, s)
-
-#define EXC_XFER_STD(n, hdlr)		\
-	EXC_XFER_TEMPLATE(n, hdlr, n, NOCOPY, transfer_to_handler_full,	\
-			  ret_from_except_full)
-
-#define EXC_XFER_LITE(n, hdlr)		\
-	EXC_XFER_TEMPLATE(n, hdlr, n+1, NOCOPY, transfer_to_handler, \
-			  ret_from_except)
-
-#define EXC_XFER_EE(n, hdlr)		\
-	EXC_XFER_TEMPLATE(n, hdlr, n, COPY_EE, transfer_to_handler_full, \
-			  ret_from_except_full)
-
-#define EXC_XFER_EE_LITE(n, hdlr)	\
-	EXC_XFER_TEMPLATE(n, hdlr, n+1, COPY_EE, transfer_to_handler, \
-			  ret_from_except)
-
-/* System reset */
-/* core99 pmac starts the seconary here by changing the vector, and
-   putting it back to what it was (unknown_exception) when done.  */
-	EXCEPTION(0x100, Reset, unknown_exception, EXC_XFER_STD)
-
-/* Machine check */
-	. = 0x200
-	mtspr	SPRN_SPRG0,r10
-	mtspr	SPRN_SPRG1,r11
-	mfcr	r10
-	EXCEPTION_PROLOG_1
-7:	EXCEPTION_PROLOG_2
-	addi	r3,r1,STACK_FRAME_OVERHEAD
-	EXC_XFER_STD(0x200, machine_check_exception)
-
-/* Data access exception. */
-	. = 0x300
-DataAccess:
-	EXCEPTION_PROLOG
-	mfspr	r10,SPRN_DSISR
-	andis.	r0,r10,0xa470		/* weird error? */
-	bne	1f			/* if not, try to put a PTE */
-	mfspr	r4,SPRN_DAR		/* into the hash table */
-	rlwinm	r3,r10,32-15,21,21	/* DSISR_STORE -> _PAGE_RW */
-	bl	hash_page
-1:	stw	r10,_DSISR(r11)
-	mr	r5,r10
-	mfspr	r4,SPRN_DAR
-	EXC_XFER_EE_LITE(0x300, handle_page_fault)
-
-/* Instruction access exception. */
-	. = 0x400
-InstructionAccess:
-	EXCEPTION_PROLOG
-	andis.	r0,r9,0x4000		/* no pte found? */
-	beq	1f			/* if so, try to put a PTE */
-	li	r3,0			/* into the hash table */
-	mr	r4,r12			/* SRR0 is fault address */
-	bl	hash_page
-1:	mr	r4,r12
-	mr	r5,r9
-	EXC_XFER_EE_LITE(0x400, handle_page_fault)
-
-/* External interrupt */
-	EXCEPTION(0x500, HardwareInterrupt, do_IRQ, EXC_XFER_LITE)
-
-/* Alignment exception */
-	. = 0x600
-Alignment:
-	EXCEPTION_PROLOG
-	mfspr	r4,SPRN_DAR
-	stw	r4,_DAR(r11)
-	mfspr	r5,SPRN_DSISR
-	stw	r5,_DSISR(r11)
-	addi	r3,r1,STACK_FRAME_OVERHEAD
-	EXC_XFER_EE(0x600, alignment_exception)
-
-/* Program check exception */
-	EXCEPTION(0x700, ProgramCheck, program_check_exception, EXC_XFER_STD)
-
-/* Floating-point unavailable */
-	. = 0x800
-FPUnavailable:
-	EXCEPTION_PROLOG
-	bne	load_up_fpu		/* if from user, just load it up */
-	addi	r3,r1,STACK_FRAME_OVERHEAD
-	EXC_XFER_EE_LITE(0x800, kernel_fp_unavailable_exception)
-
-/* Decrementer */
-	EXCEPTION(0x900, Decrementer, timer_interrupt, EXC_XFER_LITE)
-
-	EXCEPTION(0xa00, Trap_0a, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0xb00, Trap_0b, unknown_exception, EXC_XFER_EE)
-
-/* System call */
-	. = 0xc00
-SystemCall:
-	EXCEPTION_PROLOG
-	EXC_XFER_EE_LITE(0xc00, DoSyscall)
-
-/* Single step - not used on 601 */
-	EXCEPTION(0xd00, SingleStep, single_step_exception, EXC_XFER_STD)
-	EXCEPTION(0xe00, Trap_0e, unknown_exception, EXC_XFER_EE)
-
-/*
- * The Altivec unavailable trap is at 0x0f20.  Foo.
- * We effectively remap it to 0x3000.
- * We include an altivec unavailable exception vector even if
- * not configured for Altivec, so that you can't panic a
- * non-altivec kernel running on a machine with altivec just
- * by executing an altivec instruction.
- */
-	. = 0xf00
-	b	Trap_0f
-
-	. = 0xf20
-	b	AltiVecUnavailable
-
-Trap_0f:
-	EXCEPTION_PROLOG
-	addi	r3,r1,STACK_FRAME_OVERHEAD
-	EXC_XFER_EE(0xf00, unknown_exception)
-
-/*
- * Handle TLB miss for instruction on 603/603e.
- * Note: we get an alternate set of r0 - r3 to use automatically.
- */
-	. = 0x1000
-InstructionTLBMiss:
-/*
- * r0:	stored ctr
- * r1:	linux style pte ( later becomes ppc hardware pte )
- * r2:	ptr to linux-style pte
- * r3:	scratch
- */
-	mfctr	r0
-	/* Get PTE (linux-style) and check access */
-	mfspr	r3,SPRN_IMISS
-	lis	r1,KERNELBASE@h		/* check if kernel address */
-	cmplw	0,r3,r1
-	mfspr	r2,SPRN_SPRG3
-	li	r1,_PAGE_USER|_PAGE_PRESENT /* low addresses tested as user */
-	lwz	r2,PGDIR(r2)
-	blt+	112f
-	lis	r2,swapper_pg_dir@ha	/* if kernel address, use */
-	addi	r2,r2,swapper_pg_dir@l	/* kernel page table */
-	mfspr	r1,SPRN_SRR1		/* and MSR_PR bit from SRR1 */
-	rlwinm	r1,r1,32-12,29,29	/* shift MSR_PR to _PAGE_USER posn */
-112:	tophys(r2,r2)
-	rlwimi	r2,r3,12,20,29		/* insert top 10 bits of address */
-	lwz	r2,0(r2)		/* get pmd entry */
-	rlwinm.	r2,r2,0,0,19		/* extract address of pte page */
-	beq-	InstructionAddressInvalid	/* return if no mapping */
-	rlwimi	r2,r3,22,20,29		/* insert next 10 bits of address */
-	lwz	r3,0(r2)		/* get linux-style pte */
-	andc.	r1,r1,r3		/* check access & ~permission */
-	bne-	InstructionAddressInvalid /* return if access not permitted */
-	ori	r3,r3,_PAGE_ACCESSED	/* set _PAGE_ACCESSED in pte */
-	/*
-	 * NOTE! We are assuming this is not an SMP system, otherwise
-	 * we would need to update the pte atomically with lwarx/stwcx.
-	 */
-	stw	r3,0(r2)		/* update PTE (accessed bit) */
-	/* Convert linux-style PTE to low word of PPC-style PTE */
-	rlwinm	r1,r3,32-10,31,31	/* _PAGE_RW -> PP lsb */
-	rlwinm	r2,r3,32-7,31,31	/* _PAGE_DIRTY -> PP lsb */
-	and	r1,r1,r2		/* writable if _RW and _DIRTY */
-	rlwimi	r3,r3,32-1,30,30	/* _PAGE_USER -> PP msb */
-	rlwimi	r3,r3,32-1,31,31	/* _PAGE_USER -> PP lsb */
-	ori	r1,r1,0xe14		/* clear out reserved bits and M */
-	andc	r1,r3,r1		/* PP = user? (rw&dirty? 2: 3): 0 */
-	mtspr	SPRN_RPA,r1
-	mfspr	r3,SPRN_IMISS
-	tlbli	r3
-	mfspr	r3,SPRN_SRR1		/* Need to restore CR0 */
-	mtcrf	0x80,r3
-	rfi
-InstructionAddressInvalid:
-	mfspr	r3,SPRN_SRR1
-	rlwinm	r1,r3,9,6,6	/* Get load/store bit */
-
-	addis	r1,r1,0x2000
-	mtspr	SPRN_DSISR,r1	/* (shouldn't be needed) */
-	mtctr	r0		/* Restore CTR */
-	andi.	r2,r3,0xFFFF	/* Clear upper bits of SRR1 */
-	or	r2,r2,r1
-	mtspr	SPRN_SRR1,r2
-	mfspr	r1,SPRN_IMISS	/* Get failing address */
-	rlwinm.	r2,r2,0,31,31	/* Check for little endian access */
-	rlwimi	r2,r2,1,30,30	/* change 1 -> 3 */
-	xor	r1,r1,r2
-	mtspr	SPRN_DAR,r1	/* Set fault address */
-	mfmsr	r0		/* Restore "normal" registers */
-	xoris	r0,r0,MSR_TGPR>>16
-	mtcrf	0x80,r3		/* Restore CR0 */
-	mtmsr	r0
-	b	InstructionAccess
-
-/*
- * Handle TLB miss for DATA Load operation on 603/603e
- */
-	. = 0x1100
-DataLoadTLBMiss:
-/*
- * r0:	stored ctr
- * r1:	linux style pte ( later becomes ppc hardware pte )
- * r2:	ptr to linux-style pte
- * r3:	scratch
- */
-	mfctr	r0
-	/* Get PTE (linux-style) and check access */
-	mfspr	r3,SPRN_DMISS
-	lis	r1,KERNELBASE@h		/* check if kernel address */
-	cmplw	0,r3,r1
-	mfspr	r2,SPRN_SPRG3
-	li	r1,_PAGE_USER|_PAGE_PRESENT /* low addresses tested as user */
-	lwz	r2,PGDIR(r2)
-	blt+	112f
-	lis	r2,swapper_pg_dir@ha	/* if kernel address, use */
-	addi	r2,r2,swapper_pg_dir@l	/* kernel page table */
-	mfspr	r1,SPRN_SRR1		/* and MSR_PR bit from SRR1 */
-	rlwinm	r1,r1,32-12,29,29	/* shift MSR_PR to _PAGE_USER posn */
-112:	tophys(r2,r2)
-	rlwimi	r2,r3,12,20,29		/* insert top 10 bits of address */
-	lwz	r2,0(r2)		/* get pmd entry */
-	rlwinm.	r2,r2,0,0,19		/* extract address of pte page */
-	beq-	DataAddressInvalid	/* return if no mapping */
-	rlwimi	r2,r3,22,20,29		/* insert next 10 bits of address */
-	lwz	r3,0(r2)		/* get linux-style pte */
-	andc.	r1,r1,r3		/* check access & ~permission */
-	bne-	DataAddressInvalid	/* return if access not permitted */
-	ori	r3,r3,_PAGE_ACCESSED	/* set _PAGE_ACCESSED in pte */
-	/*
-	 * NOTE! We are assuming this is not an SMP system, otherwise
-	 * we would need to update the pte atomically with lwarx/stwcx.
-	 */
-	stw	r3,0(r2)		/* update PTE (accessed bit) */
-	/* Convert linux-style PTE to low word of PPC-style PTE */
-	rlwinm	r1,r3,32-10,31,31	/* _PAGE_RW -> PP lsb */
-	rlwinm	r2,r3,32-7,31,31	/* _PAGE_DIRTY -> PP lsb */
-	and	r1,r1,r2		/* writable if _RW and _DIRTY */
-	rlwimi	r3,r3,32-1,30,30	/* _PAGE_USER -> PP msb */
-	rlwimi	r3,r3,32-1,31,31	/* _PAGE_USER -> PP lsb */
-	ori	r1,r1,0xe14		/* clear out reserved bits and M */
-	andc	r1,r3,r1		/* PP = user? (rw&dirty? 2: 3): 0 */
-	mtspr	SPRN_RPA,r1
-	mfspr	r3,SPRN_DMISS
-	tlbld	r3
-	mfspr	r3,SPRN_SRR1		/* Need to restore CR0 */
-	mtcrf	0x80,r3
-	rfi
-DataAddressInvalid:
-	mfspr	r3,SPRN_SRR1
-	rlwinm	r1,r3,9,6,6	/* Get load/store bit */
-	addis	r1,r1,0x2000
-	mtspr	SPRN_DSISR,r1
-	mtctr	r0		/* Restore CTR */
-	andi.	r2,r3,0xFFFF	/* Clear upper bits of SRR1 */
-	mtspr	SPRN_SRR1,r2
-	mfspr	r1,SPRN_DMISS	/* Get failing address */
-	rlwinm.	r2,r2,0,31,31	/* Check for little endian access */
-	beq	20f		/* Jump if big endian */
-	xori	r1,r1,3
-20:	mtspr	SPRN_DAR,r1	/* Set fault address */
-	mfmsr	r0		/* Restore "normal" registers */
-	xoris	r0,r0,MSR_TGPR>>16
-	mtcrf	0x80,r3		/* Restore CR0 */
-	mtmsr	r0
-	b	DataAccess
-
-/*
- * Handle TLB miss for DATA Store on 603/603e
- */
-	. = 0x1200
-DataStoreTLBMiss:
-/*
- * r0:	stored ctr
- * r1:	linux style pte ( later becomes ppc hardware pte )
- * r2:	ptr to linux-style pte
- * r3:	scratch
- */
-	mfctr	r0
-	/* Get PTE (linux-style) and check access */
-	mfspr	r3,SPRN_DMISS
-	lis	r1,KERNELBASE@h		/* check if kernel address */
-	cmplw	0,r3,r1
-	mfspr	r2,SPRN_SPRG3
-	li	r1,_PAGE_RW|_PAGE_USER|_PAGE_PRESENT /* access flags */
-	lwz	r2,PGDIR(r2)
-	blt+	112f
-	lis	r2,swapper_pg_dir@ha	/* if kernel address, use */
-	addi	r2,r2,swapper_pg_dir@l	/* kernel page table */
-	mfspr	r1,SPRN_SRR1		/* and MSR_PR bit from SRR1 */
-	rlwinm	r1,r1,32-12,29,29	/* shift MSR_PR to _PAGE_USER posn */
-112:	tophys(r2,r2)
-	rlwimi	r2,r3,12,20,29		/* insert top 10 bits of address */
-	lwz	r2,0(r2)		/* get pmd entry */
-	rlwinm.	r2,r2,0,0,19		/* extract address of pte page */
-	beq-	DataAddressInvalid	/* return if no mapping */
-	rlwimi	r2,r3,22,20,29		/* insert next 10 bits of address */
-	lwz	r3,0(r2)		/* get linux-style pte */
-	andc.	r1,r1,r3		/* check access & ~permission */
-	bne-	DataAddressInvalid	/* return if access not permitted */
-	ori	r3,r3,_PAGE_ACCESSED|_PAGE_DIRTY
-	/*
-	 * NOTE! We are assuming this is not an SMP system, otherwise
-	 * we would need to update the pte atomically with lwarx/stwcx.
-	 */
-	stw	r3,0(r2)		/* update PTE (accessed/dirty bits) */
-	/* Convert linux-style PTE to low word of PPC-style PTE */
-	rlwimi	r3,r3,32-1,30,30	/* _PAGE_USER -> PP msb */
-	li	r1,0xe15		/* clear out reserved bits and M */
-	andc	r1,r3,r1		/* PP = user? 2: 0 */
-	mtspr	SPRN_RPA,r1
-	mfspr	r3,SPRN_DMISS
-	tlbld	r3
-	mfspr	r3,SPRN_SRR1		/* Need to restore CR0 */
-	mtcrf	0x80,r3
-	rfi
-
-#ifndef CONFIG_ALTIVEC
-#define altivec_assist_exception	unknown_exception
-#endif
-
-	EXCEPTION(0x1300, Trap_13, instruction_breakpoint_exception, EXC_XFER_EE)
-	EXCEPTION(0x1400, SMI, SMIException, EXC_XFER_EE)
-	EXCEPTION(0x1500, Trap_15, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x1600, Trap_16, altivec_assist_exception, EXC_XFER_EE)
-	EXCEPTION(0x1700, Trap_17, TAUException, EXC_XFER_STD)
-	EXCEPTION(0x1800, Trap_18, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x1900, Trap_19, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x1a00, Trap_1a, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x1b00, Trap_1b, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x1c00, Trap_1c, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x1d00, Trap_1d, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x1e00, Trap_1e, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x1f00, Trap_1f, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x2000, RunMode, RunModeException, EXC_XFER_EE)
-	EXCEPTION(0x2100, Trap_21, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x2200, Trap_22, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x2300, Trap_23, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x2400, Trap_24, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x2500, Trap_25, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x2600, Trap_26, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x2700, Trap_27, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x2800, Trap_28, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x2900, Trap_29, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x2a00, Trap_2a, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x2b00, Trap_2b, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x2c00, Trap_2c, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x2d00, Trap_2d, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x2e00, Trap_2e, unknown_exception, EXC_XFER_EE)
-	EXCEPTION(0x2f00, MOLTrampoline, unknown_exception, EXC_XFER_EE_LITE)
-
-	.globl mol_trampoline
-	.set mol_trampoline, i0x2f00
-
-	. = 0x3000
-
-AltiVecUnavailable:
-	EXCEPTION_PROLOG
-#ifdef CONFIG_ALTIVEC
-	bne	load_up_altivec		/* if from user, just load it up */
-#endif /* CONFIG_ALTIVEC */
-	addi	r3,r1,STACK_FRAME_OVERHEAD
-	EXC_XFER_EE_LITE(0xf20, altivec_unavailable_exception)
-
-#ifdef CONFIG_ALTIVEC
-/* Note that the AltiVec support is closely modeled after the FP
- * support.  Changes to one are likely to be applicable to the
- * other!  */
-load_up_altivec:
-/*
- * Disable AltiVec for the task which had AltiVec previously,
- * and save its AltiVec registers in its thread_struct.
- * Enables AltiVec for use in the kernel on return.
- * On SMP we know the AltiVec units are free, since we give it up every
- * switch.  -- Kumar
- */
-	mfmsr	r5
-	oris	r5,r5,MSR_VEC@h
-	MTMSRD(r5)			/* enable use of AltiVec now */
-	isync
-/*
- * For SMP, we don't do lazy AltiVec switching because it just gets too
- * horrendously complex, especially when a task switches from one CPU
- * to another.  Instead we call giveup_altivec in switch_to.
- */
-#ifndef CONFIG_SMP
-	tophys(r6,0)
-	addis	r3,r6,last_task_used_altivec@ha
-	lwz	r4,last_task_used_altivec@l(r3)
-	cmpwi	0,r4,0
-	beq	1f
-	add	r4,r4,r6
-	addi	r4,r4,THREAD	/* want THREAD of last_task_used_altivec */
-	SAVE_32VRS(0,r10,r4)
-	mfvscr	vr0
-	li	r10,THREAD_VSCR
-	stvx	vr0,r10,r4
-	lwz	r5,PT_REGS(r4)
-	add	r5,r5,r6
-	lwz	r4,_MSR-STACK_FRAME_OVERHEAD(r5)
-	lis	r10,MSR_VEC@h
-	andc	r4,r4,r10	/* disable altivec for previous task */
-	stw	r4,_MSR-STACK_FRAME_OVERHEAD(r5)
-1:
-#endif /* CONFIG_SMP */
-	/* enable use of AltiVec after return */
-	oris	r9,r9,MSR_VEC@h
-	mfspr	r5,SPRN_SPRG3		/* current task's THREAD (phys) */
-	li	r4,1
-	li	r10,THREAD_VSCR
-	stw	r4,THREAD_USED_VR(r5)
-	lvx	vr0,r10,r5
-	mtvscr	vr0
-	REST_32VRS(0,r10,r5)
-#ifndef CONFIG_SMP
-	subi	r4,r5,THREAD
-	sub	r4,r4,r6
-	stw	r4,last_task_used_altivec@l(r3)
-#endif /* CONFIG_SMP */
-	/* restore registers and return */
-	/* we haven't used ctr or xer or lr */
-	b	fast_exception_return
-
-/*
- * giveup_altivec(tsk)
- * Disable AltiVec for the task given as the argument,
- * and save the AltiVec registers in its thread_struct.
- * Enables AltiVec for use in the kernel on return.
- */
-
-	.globl	giveup_altivec
-giveup_altivec:
-	mfmsr	r5
-	oris	r5,r5,MSR_VEC@h
-	SYNC
-	MTMSRD(r5)			/* enable use of AltiVec now */
-	isync
-	cmpwi	0,r3,0
-	beqlr-				/* if no previous owner, done */
-	addi	r3,r3,THREAD		/* want THREAD of task */
-	lwz	r5,PT_REGS(r3)
-	cmpwi	0,r5,0
-	SAVE_32VRS(0, r4, r3)
-	mfvscr	vr0
-	li	r4,THREAD_VSCR
-	stvx	vr0,r4,r3
-	beq	1f
-	lwz	r4,_MSR-STACK_FRAME_OVERHEAD(r5)
-	lis	r3,MSR_VEC@h
-	andc	r4,r4,r3		/* disable AltiVec for previous task */
-	stw	r4,_MSR-STACK_FRAME_OVERHEAD(r5)
-1:
-#ifndef CONFIG_SMP
-	li	r5,0
-	lis	r4,last_task_used_altivec@ha
-	stw	r5,last_task_used_altivec@l(r4)
-#endif /* CONFIG_SMP */
-	blr
-#endif /* CONFIG_ALTIVEC */
-
-/*
- * This code is jumped to from the startup code to copy
- * the kernel image to physical address 0.
- */
-relocate_kernel:
-	addis	r9,r26,klimit@ha	/* fetch klimit */
-	lwz	r25,klimit@l(r9)
-	addis	r25,r25,-KERNELBASE@h
-	li	r3,0			/* Destination base address */
-	li	r6,0			/* Destination offset */
-	li	r5,0x4000		/* # bytes of memory to copy */
-	bl	copy_and_flush		/* copy the first 0x4000 bytes */
-	addi	r0,r3,4f@l		/* jump to the address of 4f */
-	mtctr	r0			/* in copy and do the rest. */
-	bctr				/* jump to the copy */
-4:	mr	r5,r25
-	bl	copy_and_flush		/* copy the rest */
-	b	turn_on_mmu
-
-/*
- * Copy routine used to copy the kernel to start at physical address 0
- * and flush and invalidate the caches as needed.
- * r3 = dest addr, r4 = source addr, r5 = copy limit, r6 = start offset
- * on exit, r3, r4, r5 are unchanged, r6 is updated to be >= r5.
- */
-copy_and_flush:
-	addi	r5,r5,-4
-	addi	r6,r6,-4
-4:	li	r0,L1_CACHE_BYTES/4
-	mtctr	r0
-3:	addi	r6,r6,4			/* copy a cache line */
-	lwzx	r0,r6,r4
-	stwx	r0,r6,r3
-	bdnz	3b
-	dcbst	r6,r3			/* write it to memory */
-	sync
-	icbi	r6,r3			/* flush the icache line */
-	cmplw	0,r6,r5
-	blt	4b
-	sync				/* additional sync needed on g4 */
-	isync
-	addi	r5,r5,4
-	addi	r6,r6,4
-	blr
-
-#ifdef CONFIG_SMP
-	.globl	__secondary_start_pmac_0
-__secondary_start_pmac_0:
-	/* NB the entries for cpus 0, 1, 2 must each occupy 8 bytes. */
-	li	r24,0
-	b	1f
-	li	r24,1
-	b	1f
-	li	r24,2
-	b	1f
-	li	r24,3
-1:
-	/* on powersurge, we come in here with IR=0 and DR=1, and DBAT 0
-	   set to map the 0xf0000000 - 0xffffffff region */
-	mfmsr	r0
-	rlwinm	r0,r0,0,28,26		/* clear DR (0x10) */
-	SYNC
-	mtmsr	r0
-	isync
-
-	.globl	__secondary_start
-__secondary_start:
-	/* Copy some CPU settings from CPU 0 */
-	bl	__restore_cpu_setup
-
-	lis	r3,-KERNELBASE@h
-	mr	r4,r24
-	bl	call_setup_cpu		/* Call setup_cpu for this CPU */
-#ifdef CONFIG_6xx
-	lis	r3,-KERNELBASE@h
-	bl	init_idle_6xx
-#endif /* CONFIG_6xx */
-
-	/* get current_thread_info and current */
-	lis	r1,secondary_ti@ha
-	tophys(r1,r1)
-	lwz	r1,secondary_ti@l(r1)
-	tophys(r2,r1)
-	lwz	r2,TI_TASK(r2)
-
-	/* stack */
-	addi	r1,r1,THREAD_SIZE-STACK_FRAME_OVERHEAD
-	li	r0,0
-	tophys(r3,r1)
-	stw	r0,0(r3)
-
-	/* load up the MMU */
-	bl	load_up_mmu
-
-	/* ptr to phys current thread */
-	tophys(r4,r2)
-	addi	r4,r4,THREAD	/* phys address of our thread_struct */
-	CLR_TOP32(r4)
-	mtspr	SPRN_SPRG3,r4
-	li	r3,0
-	mtspr	SPRN_SPRG2,r3	/* 0 => not in RTAS */
-
-	/* enable MMU and jump to start_secondary */
-	li	r4,MSR_KERNEL
-	FIX_SRR1(r4,r5)
-	lis	r3,start_secondary@h
-	ori	r3,r3,start_secondary@l
-	mtspr	SPRN_SRR0,r3
-	mtspr	SPRN_SRR1,r4
-	SYNC
-	RFI
-#endif /* CONFIG_SMP */
-
-/*
- * Those generic dummy functions are kept for CPUs not
- * included in CONFIG_6xx
- */
-#if !defined(CONFIG_6xx)
-_GLOBAL(__save_cpu_setup)
-	blr
-_GLOBAL(__restore_cpu_setup)
-	blr
-#endif /* !defined(CONFIG_6xx) */
-
-
-/*
- * Load stuff into the MMU.  Intended to be called with
- * IR=0 and DR=0.
- */
-load_up_mmu:
-	sync			/* Force all PTE updates to finish */
-	isync
-	tlbia			/* Clear all TLB entries */
-	sync			/* wait for tlbia/tlbie to finish */
-	TLBSYNC			/* ... on all CPUs */
-	/* Load the SDR1 register (hash table base & size) */
-	lis	r6,_SDR1@ha
-	tophys(r6,r6)
-	lwz	r6,_SDR1@l(r6)
-	mtspr	SPRN_SDR1,r6
-	li	r0,16		/* load up segment register values */
-	mtctr	r0		/* for context 0 */
-	lis	r3,0x2000	/* Ku = 1, VSID = 0 */
-	li	r4,0
-3:	mtsrin	r3,r4
-	addi	r3,r3,0x111	/* increment VSID */
-	addis	r4,r4,0x1000	/* address of next segment */
-	bdnz	3b
-
-/* Load the BAT registers with the values set up by MMU_init.
-   MMU_init takes care of whether we're on a 601 or not. */
-	mfpvr	r3
-	srwi	r3,r3,16
-	cmpwi	r3,1
-	lis	r3,BATS@ha
-	addi	r3,r3,BATS@l
-	tophys(r3,r3)
-	LOAD_BAT(0,r3,r4,r5)
-	LOAD_BAT(1,r3,r4,r5)
-	LOAD_BAT(2,r3,r4,r5)
-	LOAD_BAT(3,r3,r4,r5)
-
-	blr
-
-/*
- * This is where the main kernel code starts.
- */
-start_here:
-	/* ptr to current */
-	lis	r2,init_task@h
-	ori	r2,r2,init_task@l
-	/* Set up for using our exception vectors */
-	/* ptr to phys current thread */
-	tophys(r4,r2)
-	addi	r4,r4,THREAD	/* init task's THREAD */
-	CLR_TOP32(r4)
-	mtspr	SPRN_SPRG3,r4
-	li	r3,0
-	mtspr	SPRN_SPRG2,r3	/* 0 => not in RTAS */
-
-	/* stack */
-	lis	r1,init_thread_union@ha
-	addi	r1,r1,init_thread_union@l
-	li	r0,0
-	stwu	r0,THREAD_SIZE-STACK_FRAME_OVERHEAD(r1)
-/*
- * Do early bootinfo parsing, platform-specific initialization,
- * and set up the MMU.
- */
-	mr	r3,r31
-	mr	r4,r30
-	mr	r5,r29
-	mr	r6,r28
-	mr	r7,r27
-	bl	machine_init
-	bl	MMU_init
-
-/*
- * Go back to running unmapped so we can load up new values
- * for SDR1 (hash table pointer) and the segment registers
- * and change to using our exception vectors.
- */
-	lis	r4,2f@h
-	ori	r4,r4,2f@l
-	tophys(r4,r4)
-	li	r3,MSR_KERNEL & ~(MSR_IR|MSR_DR)
-	FIX_SRR1(r3,r5)
-	mtspr	SPRN_SRR0,r4
-	mtspr	SPRN_SRR1,r3
-	SYNC
-	RFI
-/* Load up the kernel context */
-2:	bl	load_up_mmu
-
-#ifdef CONFIG_BDI_SWITCH
-	/* Add helper information for the Abatron bdiGDB debugger.
-	 * We do this here because we know the mmu is disabled, and
-	 * will be enabled for real in just a few instructions.
-	 */
-	lis	r5, abatron_pteptrs@h
-	ori	r5, r5, abatron_pteptrs@l
-	stw	r5, 0xf0(r0)	/* This much match your Abatron config */
-	lis	r6, swapper_pg_dir@h
-	ori	r6, r6, swapper_pg_dir@l
-	tophys(r5, r5)
-	stw	r6, 0(r5)
-#endif /* CONFIG_BDI_SWITCH */
-
-/* Now turn on the MMU for real! */
-	li	r4,MSR_KERNEL
-	FIX_SRR1(r4,r5)
-	lis	r3,start_kernel@h
-	ori	r3,r3,start_kernel@l
-	mtspr	SPRN_SRR0,r3
-	mtspr	SPRN_SRR1,r4
-	SYNC
-	RFI
-
-/*
- * Set up the segment registers for a new context.
- */
-_GLOBAL(set_context)
-	mulli	r3,r3,897	/* multiply context by skew factor */
-	rlwinm	r3,r3,4,8,27	/* VSID = (context & 0xfffff) << 4 */
-	addis	r3,r3,0x6000	/* Set Ks, Ku bits */
-	li	r0,NUM_USER_SEGMENTS
-	mtctr	r0
-
-#ifdef CONFIG_BDI_SWITCH
-	/* Context switch the PTE pointer for the Abatron BDI2000.
-	 * The PGDIR is passed as second argument.
-	 */
-	lis	r5, KERNELBASE@h
-	lwz	r5, 0xf0(r5)
-	stw	r4, 0x4(r5)
-#endif
-	li	r4,0
-	isync
-3:
-	mtsrin	r3,r4
-	addi	r3,r3,0x111	/* next VSID */
-	rlwinm	r3,r3,0,8,3	/* clear out any overflow from VSID field */
-	addis	r4,r4,0x1000	/* address of next segment */
-	bdnz	3b
-	sync
-	isync
-	blr
-
-/*
- * An undocumented "feature" of 604e requires that the v bit
- * be cleared before changing BAT values.
- *
- * Also, newer IBM firmware does not clear bat3 and 4 so
- * this makes sure it's done.
- *  -- Cort
- */
-clear_bats:
-	li	r10,0
-	mfspr	r9,SPRN_PVR
-	rlwinm	r9,r9,16,16,31		/* r9 = 1 for 601, 4 for 604 */
-	cmpwi	r9, 1
-	beq	1f
-
-	mtspr	SPRN_DBAT0U,r10
-	mtspr	SPRN_DBAT0L,r10
-	mtspr	SPRN_DBAT1U,r10
-	mtspr	SPRN_DBAT1L,r10
-	mtspr	SPRN_DBAT2U,r10
-	mtspr	SPRN_DBAT2L,r10
-	mtspr	SPRN_DBAT3U,r10
-	mtspr	SPRN_DBAT3L,r10
-1:
-	mtspr	SPRN_IBAT0U,r10
-	mtspr	SPRN_IBAT0L,r10
-	mtspr	SPRN_IBAT1U,r10
-	mtspr	SPRN_IBAT1L,r10
-	mtspr	SPRN_IBAT2U,r10
-	mtspr	SPRN_IBAT2L,r10
-	mtspr	SPRN_IBAT3U,r10
-	mtspr	SPRN_IBAT3L,r10
-BEGIN_FTR_SECTION
-	/* Here's a tweak: at this point, CPU setup have
-	 * not been called yet, so HIGH_BAT_EN may not be
-	 * set in HID0 for the 745x processors. However, it
-	 * seems that doesn't affect our ability to actually
-	 * write to these SPRs.
-	 */
-	mtspr	SPRN_DBAT4U,r10
-	mtspr	SPRN_DBAT4L,r10
-	mtspr	SPRN_DBAT5U,r10
-	mtspr	SPRN_DBAT5L,r10
-	mtspr	SPRN_DBAT6U,r10
-	mtspr	SPRN_DBAT6L,r10
-	mtspr	SPRN_DBAT7U,r10
-	mtspr	SPRN_DBAT7L,r10
-	mtspr	SPRN_IBAT4U,r10
-	mtspr	SPRN_IBAT4L,r10
-	mtspr	SPRN_IBAT5U,r10
-	mtspr	SPRN_IBAT5L,r10
-	mtspr	SPRN_IBAT6U,r10
-	mtspr	SPRN_IBAT6L,r10
-	mtspr	SPRN_IBAT7U,r10
-	mtspr	SPRN_IBAT7L,r10
-END_FTR_SECTION_IFSET(CPU_FTR_HAS_HIGH_BATS)
-	blr
-
-flush_tlbs:
-	lis	r10, 0x40
-1:	addic.	r10, r10, -0x1000
-	tlbie	r10
-	blt	1b
-	sync
-	blr
-
-mmu_off:
- 	addi	r4, r3, __after_mmu_off - _start
-	mfmsr	r3
-	andi.	r0,r3,MSR_DR|MSR_IR		/* MMU enabled? */
-	beqlr
-	andc	r3,r3,r0
-	mtspr	SPRN_SRR0,r4
-	mtspr	SPRN_SRR1,r3
-	sync
-	RFI
-
-/*
- * Use the first pair of BAT registers to map the 1st 16MB
- * of RAM to KERNELBASE.  From this point on we can't safely
- * call OF any more.
- */
-initial_bats:
-	lis	r11,KERNELBASE@h
-	mfspr	r9,SPRN_PVR
-	rlwinm	r9,r9,16,16,31		/* r9 = 1 for 601, 4 for 604 */
-	cmpwi	0,r9,1
-	bne	4f
-	ori	r11,r11,4		/* set up BAT registers for 601 */
-	li	r8,0x7f			/* valid, block length = 8MB */
-	oris	r9,r11,0x800000@h	/* set up BAT reg for 2nd 8M */
-	oris	r10,r8,0x800000@h	/* set up BAT reg for 2nd 8M */
-	mtspr	SPRN_IBAT0U,r11		/* N.B. 601 has valid bit in */
-	mtspr	SPRN_IBAT0L,r8		/* lower BAT register */
-	mtspr	SPRN_IBAT1U,r9
-	mtspr	SPRN_IBAT1L,r10
-	isync
-	blr
-
-4:	tophys(r8,r11)
-#ifdef CONFIG_SMP
-	ori	r8,r8,0x12		/* R/W access, M=1 */
-#else
-	ori	r8,r8,2			/* R/W access */
-#endif /* CONFIG_SMP */
-	ori	r11,r11,BL_256M<<2|0x2	/* set up BAT registers for 604 */
-
-	mtspr	SPRN_DBAT0L,r8		/* N.B. 6xx (not 601) have valid */
-	mtspr	SPRN_DBAT0U,r11		/* bit in upper BAT register */
-	mtspr	SPRN_IBAT0L,r8
-	mtspr	SPRN_IBAT0U,r11
-	isync
-	blr
-
-#ifdef CONFIG_BOOTX_TEXT
-setup_disp_bat:
-	/*
-	 * setup the display bat prepared for us in prom.c
-	 */
-	mflr	r8
-	bl	reloc_offset
-	mtlr	r8
-	addis	r8,r3,disp_BAT@ha
-	addi	r8,r8,disp_BAT@l
-	lwz	r11,0(r8)
-	lwz	r8,4(r8)
-	mfspr	r9,SPRN_PVR
-	rlwinm	r9,r9,16,16,31		/* r9 = 1 for 601, 4 for 604 */
-	cmpwi	0,r9,1
-	beq	1f
-	mtspr	SPRN_DBAT3L,r8
-	mtspr	SPRN_DBAT3U,r11
-	blr
-1:	mtspr	SPRN_IBAT3L,r8
-	mtspr	SPRN_IBAT3U,r11
-	blr
-
-#endif /* defined(CONFIG_BOOTX_TEXT) */
-
-#ifdef CONFIG_8260
-/* Jump into the system reset for the rom.
- * We first disable the MMU, and then jump to the ROM reset address.
- *
- * r3 is the board info structure, r4 is the location for starting.
- * I use this for building a small kernel that can load other kernels,
- * rather than trying to write or rely on a rom monitor that can tftp load.
- */
-       .globl  m8260_gorom
-m8260_gorom:
-	mfmsr	r0
-	rlwinm	r0,r0,0,17,15	/* clear MSR_EE in r0 */
-	sync
-	mtmsr	r0
-	sync
-	mfspr	r11, SPRN_HID0
-	lis	r10, 0
-	ori	r10,r10,HID0_ICE|HID0_DCE
-	andc	r11, r11, r10
-	mtspr	SPRN_HID0, r11
-	isync
-	li	r5, MSR_ME|MSR_RI
-	lis	r6,2f@h
-	addis	r6,r6,-KERNELBASE@h
-	ori	r6,r6,2f@l
-	mtspr	SPRN_SRR0,r6
-	mtspr	SPRN_SRR1,r5
-	isync
-	sync
-	rfi
-2:
-	mtlr	r4
-	blr
-#endif
-
-
-/*
- * We put a few things here that have to be page-aligned.
- * This stuff goes at the beginning of the data segment,
- * which is page-aligned.
- */
-	.data
-	.globl	sdata
-sdata:
-	.globl	empty_zero_page
-empty_zero_page:
-	.space	4096
-
-	.globl	swapper_pg_dir
-swapper_pg_dir:
-	.space	4096
-
-/*
- * This space gets a copy of optional info passed to us by the bootstrap
- * Used to pass parameters into the kernel like root=/dev/sda1, etc.
- */
-	.globl	cmd_line
-cmd_line:
-	.space	512
-
-	.globl intercept_table
-intercept_table:
-	.long 0, 0, i0x200, i0x300, i0x400, 0, i0x600, i0x700
-	.long i0x800, 0, 0, 0, 0, i0xd00, 0, 0
-	.long 0, 0, 0, i0x1300, 0, 0, 0, 0
-	.long 0, 0, 0, 0, 0, 0, 0, 0
-	.long 0, 0, 0, 0, 0, 0, 0, 0
-	.long 0, 0, 0, 0, 0, 0, 0, 0
-
-/* Room for two PTE pointers, usually the kernel and current user pointers
- * to their respective root page table.
- */
-abatron_pteptrs:
-	.space	8