[PATCH] xtensa: remove extra header files

The Xtensa port contained many header files that were never needed.  This
rather lengthy patch removes all those files.  Unfortunately, there were
many dependencies that needed to be updated, so this patch touches quite a
few source files.

Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

13 files changed, 157 insertions, 207 deletions

diff --git a/arch/xtensa/kernel/align.S b/arch/xtensa/kernel/align.S
index a495657..33d6e9d 100644
--- a/arch/xtensa/kernel/align.S
+++ b/arch/xtensa/kernel/align.S
@@ -16,14 +16,9 @@
  */
 
 #include <linux/linkage.h>
-#include <asm/ptrace.h>
-#include <asm/ptrace.h>
 #include <asm/current.h>
 #include <asm/asm-offsets.h>
-#include <asm/pgtable.h>
 #include <asm/processor.h>
-#include <asm/page.h>
-#include <asm/thread_info.h>
 
 #if XCHAL_UNALIGNED_LOAD_EXCEPTION || XCHAL_UNALIGNED_STORE_EXCEPTION
 
@@ -216,7 +211,7 @@ ENTRY(fast_unaligned)
 
 	extui	a5, a4, INSN_OP0, 4	# get insn.op0 nibble
 
-#if XCHAL_HAVE_NARROW
+#if XCHAL_HAVE_DENSITY
 	_beqi	a5, OP0_L32I_N, .Lload	# L32I.N, jump
 	addi	a6, a5, -OP0_S32I_N
 	_beqz	a6, .Lstore		# S32I.N, do a store
@@ -251,7 +246,7 @@ ENTRY(fast_unaligned)
 #endif
 	__src_b	a3, a5, a6		# a3 has the data word
 
-#if XCHAL_HAVE_NARROW
+#if XCHAL_HAVE_DENSITY
 	addi	a7, a7, 2		# increment PC (assume 16-bit insn)
 
 	extui	a5, a4, INSN_OP0, 4
@@ -279,14 +274,14 @@ ENTRY(fast_unaligned)
 
 1:
 
-#if XCHAL_HAVE_LOOP
-	rsr	a3, LEND		# check if we reached LEND
-	bne	a7, a3, 1f
-	rsr	a3, LCOUNT		# and LCOUNT != 0
-	beqz	a3, 1f
-	addi	a3, a3, -1		# decrement LCOUNT and set
+#if XCHAL_HAVE_LOOPS
+	rsr	a5, LEND		# check if we reached LEND
+	bne	a7, a5, 1f
+	rsr	a5, LCOUNT		# and LCOUNT != 0
+	beqz	a5, 1f
+	addi	a5, a5, -1		# decrement LCOUNT and set
 	rsr	a7, LBEG		# set PC to LBEGIN
-	wsr	a3, LCOUNT
+	wsr	a5, LCOUNT
 #endif
 
 1:	wsr	a7, EPC_1		# skip load instruction
@@ -336,7 +331,7 @@ ENTRY(fast_unaligned)
 
 	movi	a6, 0			# mask: ffffffff:00000000
 
-#if XCHAL_HAVE_NARROW
+#if XCHAL_HAVE_DENSITY
 	addi	a7, a7, 2		# incr. PC,assume 16-bit instruction
 
 	extui	a5, a4, INSN_OP0, 4	# extract OP0
@@ -359,14 +354,14 @@ ENTRY(fast_unaligned)
 	/* Get memory address */
 
 1:
-#if XCHAL_HAVE_LOOP
-	rsr	a3, LEND		# check if we reached LEND
-	bne	a7, a3, 1f
-	rsr	a3, LCOUNT		# and LCOUNT != 0
-	beqz	a3, 1f
-	addi	a3, a3, -1		# decrement LCOUNT and set
+#if XCHAL_HAVE_LOOPS
+	rsr	a4, LEND		# check if we reached LEND
+	bne	a7, a4, 1f
+	rsr	a4, LCOUNT		# and LCOUNT != 0
+	beqz	a4, 1f
+	addi	a4, a4, -1		# decrement LCOUNT and set
 	rsr	a7, LBEG		# set PC to LBEGIN
-	wsr	a3, LCOUNT
+	wsr	a4, LCOUNT
 #endif
 
 1:	wsr	a7, EPC_1		# skip store instruction
@@ -416,6 +411,7 @@ ENTRY(fast_unaligned)
 
 	/* Restore working register */
 
+	l32i	a8, a2, PT_AREG8
 	l32i	a7, a2, PT_AREG7
 	l32i	a6, a2, PT_AREG6
 	l32i	a5, a2, PT_AREG5
@@ -446,7 +442,7 @@ ENTRY(fast_unaligned)
 	mov	a1, a2
 
 	rsr	a0, PS
-        bbsi.l  a2, PS_UM_SHIFT, 1f     # jump if user mode
+        bbsi.l  a2, PS_UM_BIT, 1f     # jump if user mode
 
 	movi	a0, _kernel_exception
 	jx	a0
diff --git a/arch/xtensa/kernel/coprocessor.S b/arch/xtensa/kernel/coprocessor.S
index cf5a93f..01bcb9f 100644
--- a/arch/xtensa/kernel/coprocessor.S
+++ b/arch/xtensa/kernel/coprocessor.S
@@ -90,7 +90,6 @@ ENTRY(enable_coprocessor)
 	rsync
 	retw
 
-#endif
 
 ENTRY(save_coprocessor_extra)
 	entry	sp, 16
@@ -197,4 +196,5 @@ _xtensa_reginfo_tables:
 	XCHAL_CP7_SA_CONTENTS_LIBDB
 	.word	0xFC000000	/* invalid register number,marks end of table*/
 _xtensa_reginfo_table_end:
+#endif
 
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index 89e409e..c0b56b1 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -24,7 +24,7 @@
 #include <asm/pgtable.h>
 #include <asm/page.h>
 #include <asm/signal.h>
-#include <xtensa/coreasm.h>
+#include <asm/tlbflush.h>
 
 /* Unimplemented features. */
 
@@ -364,7 +364,7 @@ common_exception:
 	movi	a2, 1
 	extui	a3, a3, 0, 1		# a3 = PS.INTLEVEL[0]
 	moveqz	a3, a2, a0		# a3 = 1 iff interrupt exception
-	movi	a2, PS_WOE_MASK
+	movi	a2, 1 << PS_WOE_BIT
 	or	a3, a3, a2
 	rsr	a0, EXCCAUSE
 	xsr	a3, PS
@@ -399,7 +399,7 @@ common_exception_return:
 	/* Jump if we are returning from kernel exceptions. */
 
 1:	l32i	a3, a1, PT_PS
-	_bbsi.l	a3, PS_UM_SHIFT, 2f
+	_bbsi.l	a3, PS_UM_BIT, 2f
 	j	kernel_exception_exit
 
 	/* Specific to a user exception exit:
@@ -422,7 +422,7 @@ common_exception_return:
 	 *       (Hint: There is only one user exception frame on stack)
 	 */
 
-	movi	a3, PS_WOE_MASK
+	movi	a3, 1 << PS_WOE_BIT
 
 	_bbsi.l	a4, TIF_NEED_RESCHED, 3f
 	_bbci.l	a4, TIF_SIGPENDING, 4f
@@ -694,7 +694,7 @@ common_exception_exit:
 ENTRY(debug_exception)
 
 	rsr	a0, EPS + XCHAL_DEBUGLEVEL
-	bbsi.l	a0, PS_EXCM_SHIFT, 1f	# exception mode
+	bbsi.l	a0, PS_EXCM_BIT, 1f	# exception mode
 
 	/* Set EPC_1 and EXCCAUSE */
 
@@ -707,7 +707,7 @@ ENTRY(debug_exception)
 
 	/* Restore PS to the value before the debug exc but with PS.EXCM set.*/
 
-	movi	a2, 1 << PS_EXCM_SHIFT
+	movi	a2, 1 << PS_EXCM_BIT
 	or	a2, a0, a2
 	movi	a0, debug_exception	# restore a3, debug jump vector
 	wsr	a2, PS
@@ -715,7 +715,7 @@ ENTRY(debug_exception)
 
 	/* Switch to kernel/user stack, restore jump vector, and save a0 */
 
-	bbsi.l	a2, PS_UM_SHIFT, 2f	# jump if user mode
+	bbsi.l	a2, PS_UM_BIT, 2f	# jump if user mode
 
 	addi	a2, a1, -16-PT_SIZE	# assume kernel stack
 	s32i	a0, a2, PT_AREG0
@@ -778,7 +778,7 @@ ENTRY(unrecoverable_exception)
 	wsr	a1, WINDOWBASE
 	rsync
 
-	movi	a1, PS_WOE_MASK | 1
+	movi	a1, (1 << PS_WOE_BIT) | 1
 	wsr	a1, PS
 	rsync
 
@@ -1491,7 +1491,7 @@ ENTRY(_spill_registers)
 	 */
 
 	rsr	a0, PS
-	_bbci.l	a0, PS_UM_SHIFT, 1f
+	_bbci.l	a0, PS_UM_BIT, 1f
 
  	/* User space: Setup a dummy frame and kill application.
 	 * Note: We assume EXC_TABLE_KSTK contains a valid stack pointer.
@@ -1510,7 +1510,7 @@ ENTRY(_spill_registers)
 	l32i	a1, a3, EXC_TABLE_KSTK
 	wsr	a3, EXCSAVE_1
 
-	movi	a4, PS_WOE_MASK | 1
+	movi	a4, (1 << PS_WOE_BIT) | 1
 	wsr	a4, PS
 	rsync
 
@@ -1612,7 +1612,7 @@ ENTRY(fast_second_level_miss)
 	rsr	a1, PTEVADDR
 	srli	a1, a1, PAGE_SHIFT
 	slli	a1, a1, PAGE_SHIFT	# ptevaddr & PAGE_MASK
-	addi	a1, a1, DTLB_WAY_PGTABLE	# ... + way_number
+	addi	a1, a1, DTLB_WAY_PGD	# ... + way_number
 
 	wdtlb	a0, a1
 	dsync
@@ -1654,7 +1654,7 @@ ENTRY(fast_second_level_miss)
 	mov	a1, a2
 
 	rsr	a2, PS
-	bbsi.l	a2, PS_UM_SHIFT, 1f
+	bbsi.l	a2, PS_UM_BIT, 1f
 	j	_kernel_exception
 1:	j	_user_exception
 
@@ -1753,7 +1753,7 @@ ENTRY(fast_store_prohibited)
 	mov	a1, a2
 
 	rsr	a2, PS
-	bbsi.l	a2, PS_UM_SHIFT, 1f
+	bbsi.l	a2, PS_UM_BIT, 1f
 	j	_kernel_exception
 1:	j	_user_exception
 
@@ -1924,7 +1924,7 @@ ENTRY(_switch_to)
 
 	/* Disable ints while we manipulate the stack pointer; spill regs. */
 
-	movi	a5, PS_EXCM_MASK | LOCKLEVEL
+	movi	a5, (1 << PS_EXCM_BIT) | LOCKLEVEL
 	xsr	a5, PS
 	rsr	a3, EXCSAVE_1
 	rsync
diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S
index c07cb25..ea89910 100644
--- a/arch/xtensa/kernel/head.S
+++ b/arch/xtensa/kernel/head.S
@@ -15,9 +15,9 @@
  * Kevin Chea
  */
 
-#include <xtensa/cacheasm.h>
 #include <asm/processor.h>
 #include <asm/page.h>
+#include <asm/cacheasm.h>
 
 /*
  * This module contains the entry code for kernel images. It performs the
@@ -32,13 +32,6 @@
  *
  */
 
-	.macro	iterate	from, to , cmd
-		.ifeq	((\to - \from) & ~0xfff)
-			\cmd	\from
-			iterate "(\from+1)", \to, \cmd
-		.endif
-	.endm
-
 /*
  *  _start
  *
@@ -64,7 +57,7 @@ _startup:
 
 	/* Disable interrupts and exceptions. */
 
-	movi	a0, XCHAL_PS_EXCM_MASK
+	movi	a0, LOCKLEVEL
 	wsr	a0, PS
 
 	/* Preserve the pointer to the boot parameter list in EXCSAVE_1 */
@@ -91,11 +84,11 @@ _startup:
 	movi	a1, 15
 	wsr	a0, ICOUNTLEVEL
 
-	.macro reset_dbreak num
-	wsr	a0, DBREAKC + \num
-	.endm
-
-        iterate 0, XCHAL_NUM_IBREAK-1, reset_dbreak
+	.set	_index, 0
+	.rept	XCHAL_NUM_DBREAK - 1
+	wsr	a0, DBREAKC + _index
+	.set	_index, _index + 1
+	.endr
 #endif
 
 	/* Clear CCOUNT (not really necessary, but nice) */
@@ -110,10 +103,11 @@ _startup:
 
 	/* Disable all timers. */
 
-	.macro	reset_timer	num
-	wsr	a0, CCOMPARE_0 + \num
-	.endm
-	iterate	0, XCHAL_NUM_TIMERS-1, reset_timer
+	.set	_index, 0
+	.rept	XCHAL_NUM_TIMERS - 1
+	wsr	a0, CCOMPARE + _index
+	.set	_index, _index + 1
+	.endr
 
 	/* Interrupt initialization. */
 
@@ -139,12 +133,21 @@ _startup:
 	rsync
 
 	/*  Initialize the caches.
-	 *  Does not include flushing writeback d-cache.
-	 *  a6, a7 are just working registers (clobbered).
+	 *  a2, a3 are just working registers (clobbered).
 	 */
 
-	icache_reset  a2, a3
-	dcache_reset  a2, a3
+#if XCHAL_DCACHE_LINE_LOCKABLE
+	___unlock_dcache_all a2 a3
+#endif
+
+#if XCHAL_ICACHE_LINE_LOCKABLE
+	___unlock_icache_all a2 a3
+#endif
+
+	___invalidate_dcache_all a2 a3
+	___invalidate_icache_all a2 a3
+
+	isync
 
 	/* Unpack data sections
 	 *
@@ -181,9 +184,9 @@ _startup:
 	movi	a2, _bss_start	# start of BSS
 	movi	a3, _bss_end	# end of BSS
 
-1:	addi	a2, a2, 4
+	__loopt	a2, a3, a4, 2
 	s32i	a0, a2, 0
-	blt	a2, a3, 1b
+	__endla	a2, a4, 4
 
 #if XCHAL_DCACHE_IS_WRITEBACK
 
@@ -191,7 +194,7 @@ _startup:
 	 * instructions/data are available.
 	 */
 
-	dcache_writeback_all	a2, a3
+	___flush_dcache_all a2 a3
 #endif
 
 	/* Setup stack and enable window exceptions (keep irqs disabled) */
diff --git a/arch/xtensa/kernel/pci-dma.c b/arch/xtensa/kernel/pci-dma.c
index 6648fa9..ca76f07 100644
--- a/arch/xtensa/kernel/pci-dma.c
+++ b/arch/xtensa/kernel/pci-dma.c
@@ -1,5 +1,5 @@
 /*
- * arch/xtensa/kernel/pci-dma.c
+ * arch/xtensa/pci-dma.c
  *
  * DMA coherent memory allocation.
  *
@@ -29,28 +29,48 @@
  */
 
 void *
-dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp)
+dma_alloc_coherent(struct device *dev,size_t size,dma_addr_t *handle,gfp_t flag)
 {
-	void *ret;
+	unsigned long ret;
+	unsigned long uncached = 0;
 
 	/* ignore region speicifiers */
-	gfp &= ~(__GFP_DMA | __GFP_HIGHMEM);
 
-	if (dev == NULL || (*dev->dma_mask < 0xffffffff))
-		gfp |= GFP_DMA;
-	ret = (void *)__get_free_pages(gfp, get_order(size));
+	flag &= ~(__GFP_DMA | __GFP_HIGHMEM);
 
-	if (ret != NULL) {
-		memset(ret, 0, size);
-		*handle = virt_to_bus(ret);
+	if (dev == NULL || (dev->coherent_dma_mask < 0xffffffff))
+		flag |= GFP_DMA;
+	ret = (unsigned long)__get_free_pages(flag, get_order(size));
+
+	if (ret == 0)
+		return NULL;
+
+	/* We currently don't support coherent memory outside KSEG */
+
+	if (ret < XCHAL_KSEG_CACHED_VADDR
+	    || ret >= XCHAL_KSEG_CACHED_VADDR + XCHAL_KSEG_SIZE)
+		BUG();
+
+
+	if (ret != 0) {
+		memset((void*) ret, 0, size);
+		uncached = ret+XCHAL_KSEG_BYPASS_VADDR-XCHAL_KSEG_CACHED_VADDR;
+		*handle = virt_to_bus((void*)ret);
+		__flush_invalidate_dcache_range(ret, size);
 	}
-	return (void*) BYPASS_ADDR((unsigned long)ret);
+
+	return (void*)uncached;
 }
 
 void dma_free_coherent(struct device *hwdev, size_t size,
 			 void *vaddr, dma_addr_t dma_handle)
 {
-	free_pages(CACHED_ADDR((unsigned long)vaddr), get_order(size));
+	long addr=(long)vaddr+XCHAL_KSEG_CACHED_VADDR-XCHAL_KSEG_BYPASS_VADDR;
+
+	if (addr < 0 || addr >= XCHAL_KSEG_SIZE)
+		BUG();
+
+	free_pages(addr, get_order(size));
 }
 
 
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index a7c4178..3785f34 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -1,4 +1,3 @@
-// TODO	verify coprocessor handling
 /*
  * arch/xtensa/kernel/process.c
  *
@@ -43,7 +42,7 @@
 #include <asm/irq.h>
 #include <asm/atomic.h>
 #include <asm/asm-offsets.h>
-#include <asm/coprocessor.h>
+#include <asm/regs.h>
 
 extern void ret_from_fork(void);
 
@@ -67,25 +66,6 @@ void (*pm_power_off)(void) = NULL;
 EXPORT_SYMBOL(pm_power_off);
 
 
-#if XCHAL_CP_NUM > 0
-
-/*
- * Coprocessor ownership.
- */
-
-coprocessor_info_t coprocessor_info[] = {
-	{ 0, XTENSA_CPE_CP0_OFFSET },
-	{ 0, XTENSA_CPE_CP1_OFFSET },
-	{ 0, XTENSA_CPE_CP2_OFFSET },
-	{ 0, XTENSA_CPE_CP3_OFFSET },
-	{ 0, XTENSA_CPE_CP4_OFFSET },
-	{ 0, XTENSA_CPE_CP5_OFFSET },
-	{ 0, XTENSA_CPE_CP6_OFFSET },
-	{ 0, XTENSA_CPE_CP7_OFFSET },
-};
-
-#endif
-
 /*
  * Powermanagement idle function, if any is provided by the platform.
  */
@@ -110,12 +90,10 @@ void cpu_idle(void)
 
 void exit_thread(void)
 {
-	release_coprocessors(current);	/* Empty macro if no CPs are defined */
 }
 
 void flush_thread(void)
 {
-	release_coprocessors(current);	/* Empty macro if no CPs are defined */
 }
 
 /*
@@ -275,7 +253,7 @@ void do_copy_regs (xtensa_gregset_t *elfregs, struct pt_regs *regs,
 	 */
 
 	elfregs->pc		= regs->pc;
-	elfregs->ps		= (regs->ps & ~XCHAL_PS_EXCM_MASK);
+	elfregs->ps		= (regs->ps & ~(1 << PS_EXCM_BIT));
 	elfregs->exccause	= regs->exccause;
 	elfregs->excvaddr	= regs->excvaddr;
 	elfregs->windowbase	= regs->windowbase;
@@ -325,7 +303,7 @@ void do_restore_regs (xtensa_gregset_t *elfregs, struct pt_regs *regs,
 	 */
 
 	regs->pc		= elfregs->pc;
-	regs->ps		= (elfregs->ps | XCHAL_PS_EXCM_MASK);
+	regs->ps		= (elfregs->ps | (1 << PS_EXCM_BIT));
 	regs->exccause		= elfregs->exccause;
 	regs->excvaddr		= elfregs->excvaddr;
 	regs->windowbase	= elfregs->windowbase;
@@ -459,16 +437,7 @@ int  do_restore_fpregs (elf_fpregset_t *fpregs, struct pt_regs *regs,
 int
 dump_task_fpu(struct pt_regs *regs, struct task_struct *task, elf_fpregset_t *r)
 {
-/* see asm/coprocessor.h for this magic number 16 */
-#if XTENSA_CP_EXTRA_SIZE > 16
-	do_save_fpregs (r, regs, task);
-
-	/*  For now, bit 16 means some extra state may be present:  */
-// FIXME!! need to track to return more accurate mask
-	return 0x10000 | XCHAL_CP_MASK;
-#else
 	return 0;	/* no coprocessors active on this processor */
-#endif
 }
 
 /*
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
index 9aea23c..604c3c3c 100644
--- a/arch/xtensa/kernel/ptrace.c
+++ b/arch/xtensa/kernel/ptrace.c
@@ -96,7 +96,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 			/* Note:  PS.EXCM is not set while user task is running;
 			 * its being set in regs is for exception handling
 			 * convenience.  */
-			tmp = (regs->ps & ~XCHAL_PS_EXCM_MASK);
+			tmp = (regs->ps & ~(1 << PS_EXCM_BIT));
 			break;
 		case REG_WB:
 			tmp = regs->windowbase;
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index c99ab72..b6374c0 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -42,8 +42,6 @@
 #include <asm/page.h>
 #include <asm/setup.h>
 
-#include <xtensa/config/system.h>
-
 #if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE)
 struct screen_info screen_info = { 0, 24, 0, 0, 0, 80, 0, 0, 0, 24, 1, 16};
 #endif
@@ -336,7 +334,7 @@ c_show(struct seq_file *f, void *slot)
 	/* high-level stuff */
 	seq_printf(f,"processor\t: 0\n"
 		     "vendor_id\t: Tensilica\n"
-		     "model\t\t: Xtensa " XCHAL_HW_RELEASE_NAME "\n"
+		     "model\t\t: Xtensa " XCHAL_HW_VERSION_NAME "\n"
 		     "core ID\t\t: " XCHAL_CORE_ID "\n"
 		     "build ID\t: 0x%x\n"
 		     "byte order\t: %s\n"
@@ -420,25 +418,6 @@ c_show(struct seq_file *f, void *slot)
 		     XCHAL_NUM_TIMERS,
 		     XCHAL_DEBUGLEVEL);
 
-	/* Coprocessors */
-#if XCHAL_HAVE_CP
-	seq_printf(f, "coprocessors\t: %d\n", XCHAL_CP_NUM);
-#else
-	seq_printf(f, "coprocessors\t: none\n");
-#endif
-
-	/* {I,D}{RAM,ROM} and XLMI */
-	seq_printf(f,"inst ROMs\t: %d\n"
-		     "inst RAMs\t: %d\n"
-		     "data ROMs\t: %d\n"
-		     "data RAMs\t: %d\n"
-		     "XLMI ports\t: %d\n",
-		     XCHAL_NUM_IROM,
-		     XCHAL_NUM_IRAM,
-		     XCHAL_NUM_DROM,
-		     XCHAL_NUM_DRAM,
-		     XCHAL_NUM_XLMI);
-
 	/* Cache */
 	seq_printf(f,"icache line size: %d\n"
 		     "icache ways\t: %d\n"
@@ -466,24 +445,6 @@ c_show(struct seq_file *f, void *slot)
 		     XCHAL_DCACHE_WAYS,
 		     XCHAL_DCACHE_SIZE);
 
-	/* MMU */
-	seq_printf(f,"ASID bits\t: %d\n"
-		     "ASID invalid\t: %d\n"
-		     "ASID kernel\t: %d\n"
-		     "rings\t\t: %d\n"
-		     "itlb ways\t: %d\n"
-		     "itlb AR ways\t: %d\n"
-		     "dtlb ways\t: %d\n"
-		     "dtlb AR ways\t: %d\n",
-		     XCHAL_MMU_ASID_BITS,
-		     XCHAL_MMU_ASID_INVALID,
-		     XCHAL_MMU_ASID_KERNEL,
-		     XCHAL_MMU_RINGS,
-		     XCHAL_ITLB_WAYS,
-		     XCHAL_ITLB_ARF_WAYS,
-		     XCHAL_DTLB_WAYS,
-		     XCHAL_DTLB_ARF_WAYS);
-
 	return 0;
 }
 
diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index c494f08..6af7f41 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -12,8 +12,8 @@
  *
  */
 
-#include <xtensa/config/core.h>
-#include <xtensa/hal.h>
+#include <asm/variant/core.h>
+#include <asm/coprocessor.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
 #include <linux/smp.h>
@@ -216,8 +216,8 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext *sc)
 	 * handler, or the user mode value doesn't matter (e.g. PS.OWB).
 	 */
 	err |= __get_user(ps, &sc->sc_ps);
-	regs->ps = (regs->ps & ~XCHAL_PS_CALLINC_MASK)
-		| (ps & XCHAL_PS_CALLINC_MASK);
+	regs->ps = (regs->ps & ~PS_CALLINC_MASK)
+		| (ps & PS_CALLINC_MASK);
 
 	/* Additional corruption checks */
 
@@ -280,7 +280,7 @@ flush_my_cpstate(struct task_struct *tsk)
 static int
 save_cpextra (struct _cpstate *buf)
 {
-#if (XCHAL_EXTRA_SA_SIZE == 0) && (XCHAL_CP_NUM == 0)
+#if XCHAL_CP_NUM == 0
 	return 0;
 #else
 
@@ -497,8 +497,10 @@ gen_return_code(unsigned char *codemem, unsigned int use_rt_sigreturn)
 
 	/* Flush generated code out of the data cache */
 
-	if (err == 0)
-		__flush_invalidate_cache_range((unsigned long)codemem, 6UL);
+	if (err == 0) {
+		__invalidate_icache_range((unsigned long)codemem, 6UL);
+		__flush_invalidate_dcache_range((unsigned long)codemem, 6UL);
+	}
 
 	return err;
 }
diff --git a/arch/xtensa/kernel/syscalls.c b/arch/xtensa/kernel/syscalls.c
index f49cb23..f9a5a75 100644
--- a/arch/xtensa/kernel/syscalls.c
+++ b/arch/xtensa/kernel/syscalls.c
@@ -175,8 +175,8 @@ void system_call (struct pt_regs *regs)
 	 * interrupts in the first place:
 	 */
 	local_save_flags (ps);
-	local_irq_restore((ps & ~XCHAL_PS_INTLEVEL_MASK) |
-			  (regs->ps & XCHAL_PS_INTLEVEL_MASK) );
+	local_irq_restore((ps & ~PS_INTLEVEL_MASK) |
+			  (regs->ps & PS_INTLEVEL_MASK) );
 
 	if (syscallnr > __NR_Linux_syscalls) {
 		regs->areg[2] = -ENOSYS;
diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c
index ce077d6..693ab26 100644
--- a/arch/xtensa/kernel/traps.c
+++ b/arch/xtensa/kernel/traps.c
@@ -75,7 +75,7 @@ extern void system_call (struct pt_regs*);
 #define USER		0x02
 
 #define COPROCESSOR(x)							\
-{ XCHAL_EXCCAUSE_COPROCESSOR ## x ## _DISABLED, USER, fast_coprocessor }
+{ EXCCAUSE_COPROCESSOR ## x ## _DISABLED, USER, fast_coprocessor }
 
 typedef struct {
 	int cause;
@@ -85,38 +85,38 @@ typedef struct {
 
 dispatch_init_table_t __init dispatch_init_table[] = {
 
-{ XCHAL_EXCCAUSE_ILLEGAL_INSTRUCTION,	0,	   do_illegal_instruction},
-{ XCHAL_EXCCAUSE_SYSTEM_CALL,		KRNL,	   fast_syscall_kernel },
-{ XCHAL_EXCCAUSE_SYSTEM_CALL,		USER,	   fast_syscall_user },
-{ XCHAL_EXCCAUSE_SYSTEM_CALL,		0,	   system_call },
-/* XCHAL_EXCCAUSE_INSTRUCTION_FETCH unhandled */
-/* XCHAL_EXCCAUSE_LOAD_STORE_ERROR unhandled*/
-{ XCHAL_EXCCAUSE_LEVEL1_INTERRUPT,	0,	   do_interrupt },
-{ XCHAL_EXCCAUSE_ALLOCA,		USER|KRNL, fast_alloca },
-/* XCHAL_EXCCAUSE_INTEGER_DIVIDE_BY_ZERO unhandled */
-/* XCHAL_EXCCAUSE_PRIVILEGED unhandled */
+{ EXCCAUSE_ILLEGAL_INSTRUCTION,	0,	   do_illegal_instruction},
+{ EXCCAUSE_SYSTEM_CALL,		KRNL,	   fast_syscall_kernel },
+{ EXCCAUSE_SYSTEM_CALL,		USER,	   fast_syscall_user },
+{ EXCCAUSE_SYSTEM_CALL,		0,	   system_call },
+/* EXCCAUSE_INSTRUCTION_FETCH unhandled */
+/* EXCCAUSE_LOAD_STORE_ERROR unhandled*/
+{ EXCCAUSE_LEVEL1_INTERRUPT,	0,	   do_interrupt },
+{ EXCCAUSE_ALLOCA,		USER|KRNL, fast_alloca },
+/* EXCCAUSE_INTEGER_DIVIDE_BY_ZERO unhandled */
+/* EXCCAUSE_PRIVILEGED unhandled */
 #if XCHAL_UNALIGNED_LOAD_EXCEPTION || XCHAL_UNALIGNED_STORE_EXCEPTION
 #ifdef CONFIG_UNALIGNED_USER
-{ XCHAL_EXCCAUSE_UNALIGNED,		USER,	   fast_unaligned },
+{ EXCCAUSE_UNALIGNED,		USER,	   fast_unaligned },
 #else
-{ XCHAL_EXCCAUSE_UNALIGNED,		0,	   do_unaligned_user },
+{ EXCCAUSE_UNALIGNED,		0,	   do_unaligned_user },
 #endif
-{ XCHAL_EXCCAUSE_UNALIGNED,		KRNL,	   fast_unaligned },
+{ EXCCAUSE_UNALIGNED,		KRNL,	   fast_unaligned },
 #endif
-{ XCHAL_EXCCAUSE_ITLB_MISS,		0,	   do_page_fault },
-{ XCHAL_EXCCAUSE_ITLB_MISS,		USER|KRNL, fast_second_level_miss},
-{ XCHAL_EXCCAUSE_ITLB_MULTIHIT,		0,	   do_multihit },
-{ XCHAL_EXCCAUSE_ITLB_PRIVILEGE,	0,	   do_page_fault },
-/* XCHAL_EXCCAUSE_SIZE_RESTRICTION unhandled */
-{ XCHAL_EXCCAUSE_FETCH_CACHE_ATTRIBUTE,	0,	   do_page_fault },
-{ XCHAL_EXCCAUSE_DTLB_MISS,		USER|KRNL, fast_second_level_miss},
-{ XCHAL_EXCCAUSE_DTLB_MISS,		0,	   do_page_fault },
-{ XCHAL_EXCCAUSE_DTLB_MULTIHIT,		0,	   do_multihit },
-{ XCHAL_EXCCAUSE_DTLB_PRIVILEGE,	0,	   do_page_fault },
-/* XCHAL_EXCCAUSE_DTLB_SIZE_RESTRICTION unhandled */
-{ XCHAL_EXCCAUSE_STORE_CACHE_ATTRIBUTE,	USER|KRNL, fast_store_prohibited },
-{ XCHAL_EXCCAUSE_STORE_CACHE_ATTRIBUTE,	0,	   do_page_fault },
-{ XCHAL_EXCCAUSE_LOAD_CACHE_ATTRIBUTE,	0,	   do_page_fault },
+{ EXCCAUSE_ITLB_MISS,		0,	   do_page_fault },
+{ EXCCAUSE_ITLB_MISS,		USER|KRNL, fast_second_level_miss},
+{ EXCCAUSE_ITLB_MULTIHIT,		0,	   do_multihit },
+{ EXCCAUSE_ITLB_PRIVILEGE,	0,	   do_page_fault },
+/* EXCCAUSE_SIZE_RESTRICTION unhandled */
+{ EXCCAUSE_FETCH_CACHE_ATTRIBUTE,	0,	   do_page_fault },
+{ EXCCAUSE_DTLB_MISS,		USER|KRNL, fast_second_level_miss},
+{ EXCCAUSE_DTLB_MISS,		0,	   do_page_fault },
+{ EXCCAUSE_DTLB_MULTIHIT,		0,	   do_multihit },
+{ EXCCAUSE_DTLB_PRIVILEGE,	0,	   do_page_fault },
+/* EXCCAUSE_DTLB_SIZE_RESTRICTION unhandled */
+{ EXCCAUSE_STORE_CACHE_ATTRIBUTE,	USER|KRNL, fast_store_prohibited },
+{ EXCCAUSE_STORE_CACHE_ATTRIBUTE,	0,	   do_page_fault },
+{ EXCCAUSE_LOAD_CACHE_ATTRIBUTE,	0,	   do_page_fault },
 /* XCCHAL_EXCCAUSE_FLOATING_POINT unhandled */
 #if (XCHAL_CP_MASK & 1)
 COPROCESSOR(0),
diff --git a/arch/xtensa/kernel/vectors.S b/arch/xtensa/kernel/vectors.S
index 0e74397..eb2d7bb 100644
--- a/arch/xtensa/kernel/vectors.S
+++ b/arch/xtensa/kernel/vectors.S
@@ -53,6 +53,8 @@
 #include <asm/thread_info.h>
 #include <asm/processor.h>
 
+#define WINDOW_VECTORS_SIZE   0x180
+
 
 /*
  * User exception vector. (Exceptions with PS.UM == 1, PS.EXCM == 0)
@@ -210,7 +212,7 @@ ENTRY(_DoubleExceptionVector)
 	/* Check for kernel double exception (usually fatal). */
 
 	rsr	a3, PS
-	_bbci.l	a3, PS_UM_SHIFT, .Lksp
+	_bbci.l	a3, PS_UM_BIT, .Lksp
 
 	/* Check if we are currently handling a window exception. */
 	/* Note: We don't need to indicate that we enter a critical section. */
@@ -219,7 +221,7 @@ ENTRY(_DoubleExceptionVector)
 
 	movi	a3, XCHAL_WINDOW_VECTORS_VADDR
 	_bltu	a0, a3, .Lfixup
-	addi	a3, a3, XSHAL_WINDOW_VECTORS_SIZE
+	addi	a3, a3, WINDOW_VECTORS_SIZE
 	_bgeu	a0, a3, .Lfixup
 
 	/* Window overflow/underflow exception. Get stack pointer. */
@@ -245,7 +247,7 @@ ENTRY(_DoubleExceptionVector)
 
 	wsr	a2, DEPC		# save stack pointer temporarily
 	rsr	a0, PS
-	extui	a0, a0, XCHAL_PS_OWB_SHIFT, XCHAL_PS_OWB_BITS
+	extui	a0, a0, PS_OWB_SHIFT, 4
 	wsr	a0, WINDOWBASE
 	rsync
 
@@ -312,8 +314,8 @@ ENTRY(_DoubleExceptionVector)
 .Lksp:	/* a0: a0, a1: a1, a2: a2, a3: trashed, depc: depc, excsave: a3 */
 
 	rsr	a3, EXCCAUSE
-	beqi	a3, XCHAL_EXCCAUSE_ITLB_MISS, 1f
-	addi	a3, a3, -XCHAL_EXCCAUSE_DTLB_MISS
+	beqi	a3, EXCCAUSE_ITLB_MISS, 1f
+	addi	a3, a3, -EXCCAUSE_DTLB_MISS
 	bnez	a3, .Lunrecoverable
 1:	movi	a3, fast_second_level_miss_double_kernel
 	jx	a3
diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S
index e01131f..a36c104 100644
--- a/arch/xtensa/kernel/vmlinux.lds.S
+++ b/arch/xtensa/kernel/vmlinux.lds.S
@@ -16,20 +16,17 @@
 
 #include <asm-generic/vmlinux.lds.h>
 
-#define _NOCLANGUAGE
-#undef __ASSEMBLER__
-#include <xtensa/config/core.h>
-#include <xtensa/config/system.h>
+#include <asm/variant/core.h>
 OUTPUT_ARCH(xtensa)
 ENTRY(_start)
 
-#if XCHAL_MEMORY_ORDER == XTHAL_BIGENDIAN
+#ifdef __XTENSA_EB__
 jiffies = jiffies_64 + 4;
 #else
 jiffies = jiffies_64;
 #endif
 
-#define KERNELOFFSET 0x1000
+#define KERNELOFFSET 0xd0001000
 
 /* Note: In the following macros, it would be nice to specify only the
    vector name and section kind and construct "sym" and "section" using
@@ -76,7 +73,7 @@ jiffies = jiffies_64;
 
 SECTIONS
 {
-  . = XCHAL_KSEG_CACHED_VADDR + KERNELOFFSET;
+  . = KERNELOFFSET;
   /* .text section */
 
   _text = .;
@@ -160,7 +157,7 @@ SECTIONS
 
   /* Initialization code and data: */
 
-  . = ALIGN(1<<XCHAL_MMU_MIN_PTE_PAGE_SIZE);
+  . = ALIGN(1 << 12);
   __init_begin = .;
   .init.text : {
   	_sinittext = .;
@@ -224,32 +221,32 @@ SECTIONS
 		  .dummy)
   SECTION_VECTOR (_DebugInterruptVector_literal,
 		  .DebugInterruptVector.literal,
-		  XCHAL_INTLEVEL_VECTOR_VADDR(XCHAL_DEBUGLEVEL) - 4,
+		  XCHAL_DEBUG_VECTOR_VADDR - 4,
 		  SIZEOF(.WindowVectors.text),
 		  .WindowVectors.text)
   SECTION_VECTOR (_DebugInterruptVector_text,
 		  .DebugInterruptVector.text,
-		  XCHAL_INTLEVEL_VECTOR_VADDR(XCHAL_DEBUGLEVEL),
+		  XCHAL_DEBUG_VECTOR_VADDR,
 		  4,
 		  .DebugInterruptVector.literal)
   SECTION_VECTOR (_KernelExceptionVector_literal,
 		  .KernelExceptionVector.literal,
-		  XCHAL_KERNELEXC_VECTOR_VADDR - 4,
+		  XCHAL_KERNEL_VECTOR_VADDR - 4,
 		  SIZEOF(.DebugInterruptVector.text),
 		  .DebugInterruptVector.text)
   SECTION_VECTOR (_KernelExceptionVector_text,
 		  .KernelExceptionVector.text,
-		  XCHAL_KERNELEXC_VECTOR_VADDR,
+		  XCHAL_KERNEL_VECTOR_VADDR,
 		  4,
 		  .KernelExceptionVector.literal)
   SECTION_VECTOR (_UserExceptionVector_literal,
 		  .UserExceptionVector.literal,
-		  XCHAL_USEREXC_VECTOR_VADDR - 4,
+		  XCHAL_USER_VECTOR_VADDR - 4,
 		  SIZEOF(.KernelExceptionVector.text),
 		  .KernelExceptionVector.text)
   SECTION_VECTOR (_UserExceptionVector_text,
 		  .UserExceptionVector.text,
-		  XCHAL_USEREXC_VECTOR_VADDR,
+		  XCHAL_USER_VECTOR_VADDR,
 		  4,
 		  .UserExceptionVector.literal)
   SECTION_VECTOR (_DoubleExceptionVector_literal,
@@ -264,7 +261,7 @@ SECTIONS
 		  .DoubleExceptionVector.literal)
 
   . = (LOADADDR( .DoubleExceptionVector.text ) + SIZEOF( .DoubleExceptionVector.text ) + 3) & ~ 3;
-  . = ALIGN(1<<XCHAL_MMU_MIN_PTE_PAGE_SIZE);
+  . = ALIGN(1 << 12);
 
   __init_end = .;