openwrt/target/linux/coldfire/patches/003-mcfv4e_coldfire_headers2.patch

From 3da86cd2810e9ba4e4a9e7471a92025172c1c990 Mon Sep 17 00:00:00 2001
From: Kurt Mahan <[email protected]>
Date: Wed, 31 Oct 2007 16:41:41 -0600
Subject: [PATCH] Add Coldfire specific header files.

LTIBName: mcfv4e-coldfire-headers2
Signed-off-by: Kurt Mahan <[email protected]>
---
 include/asm-m68k/cf_cacheflush.h |  160 ++++++++++++++++
 include/asm-m68k/cf_entry.h      |  146 +++++++++++++++
 include/asm-m68k/cf_pgalloc.h    |   99 ++++++++++
 include/asm-m68k/cf_pgtable.h    |  357 ++++++++++++++++++++++++++++++++++++
 include/asm-m68k/cf_tlbflush.h   |   59 ++++++
 include/asm-m68k/cf_uaccess.h    |  376 ++++++++++++++++++++++++++++++++++++++
 include/asm-m68k/cfcache.h       |   86 +++++++++
 include/asm-m68k/cfmmu.h         |  104 +++++++++++
 include/asm-m68k/coldfire.h      |   38 ++++
 include/asm-m68k/coldfire_edma.h |   39 ++++
 include/asm-m68k/mcfqspi.h       |   50 +++++
 include/asm-m68k/mcfsim.h        |   96 ++++++++++
 include/asm-m68k/mcfuart.h       |  180 ++++++++++++++++++
 13 files changed, 1790 insertions(+), 0 deletions(-)
 create mode 100644 include/asm-m68k/cf_cacheflush.h
 create mode 100644 include/asm-m68k/cf_entry.h
 create mode 100644 include/asm-m68k/cf_pgalloc.h
 create mode 100644 include/asm-m68k/cf_pgtable.h
 create mode 100644 include/asm-m68k/cf_tlbflush.h
 create mode 100644 include/asm-m68k/cf_uaccess.h
 create mode 100644 include/asm-m68k/cfcache.h
 create mode 100644 include/asm-m68k/cfmmu.h
 create mode 100644 include/asm-m68k/coldfire.h
 create mode 100644 include/asm-m68k/coldfire_edma.h
 create mode 100644 include/asm-m68k/mcfqspi.h
 create mode 100644 include/asm-m68k/mcfsim.h
 create mode 100644 include/asm-m68k/mcfuart.h

--- /dev/null
+++ b/include/asm-m68k/cf_cacheflush.h
@@ -0,0 +1,160 @@
+#ifndef M68K_CF_CACHEFLUSH_H
+#define M68K_CF_CACHEFLUSH_H
+
+#include <asm/cfcache.h>
+
+/*
+ * Cache handling functions
+ */
+
+#define flush_icache()						\
+({								\
+  unsigned long set;						\
+  unsigned long start_set;					\
+  unsigned long end_set;					\
+								\
+  start_set = 0;						\
+  end_set = (unsigned long)LAST_DCACHE_ADDR;			\
+								\
+  for (set = start_set; set <= end_set; set += (0x10 - 3)) 	\
+    asm volatile("cpushl %%ic,(%0)\n"				\
+		 "\taddq%.l #1,%0\n"				\
+		 "\tcpushl %%ic,(%0)\n"				\
+		 "\taddq%.l #1,%0\n"				\
+		 "\tcpushl %%ic,(%0)\n"				\
+		 "\taddq%.l #1,%0\n"				\
+		 "\tcpushl %%ic,(%0)" : : "a" (set));		\
+})
+
+/*
+ * invalidate the cache for the specified memory range.
+ * It starts at the physical address specified for
+ * the given number of bytes.
+ */
+extern void cache_clear(unsigned long paddr, int len);
+/*
+ * push any dirty cache in the specified memory range.
+ * It starts at the physical address specified for
+ * the given number of bytes.
+ */
+extern void cache_push(unsigned long paddr, int len);
+
+/*
+ * push and invalidate pages in the specified user virtual
+ * memory range.
+ */
+extern void cache_push_v(unsigned long vaddr, int len);
+
+/* This is needed whenever the virtual mapping of the current
+   process changes.  */
+
+
+#define flush_cache_all()		do { } while (0)
+#define flush_cache_mm(mm)		do { } while (0)
+#define flush_cache_range(mm, a, b)	do { } while (0)
+#define flush_cache_page(vma, vmaddr, pfn)	do { } while (0)
+
+#define flush_dcache_range(paddr, len)	do { } while (0)
+
+/* Push the page at kernel virtual address and clear the icache */
+/* use cpush %bc instead of cpush %dc, cinv %ic */
+#define flush_page_to_ram(page) __flush_page_to_ram((void *) page_address(page))
+extern inline void __flush_page_to_ram(void *address)
+{
+  unsigned long set;
+  unsigned long start_set;
+  unsigned long end_set;
+  unsigned long addr = (unsigned long) address;
+
+  addr &= ~(PAGE_SIZE - 1); /* round down to page start address */
+
+  start_set = addr & _ICACHE_SET_MASK;
+  end_set = (addr + PAGE_SIZE-1) & _ICACHE_SET_MASK;
+
+  if (start_set > end_set) {
+    /* from the begining to the lowest address */
+    for (set = 0; set <= end_set; set += (0x10 - 3))
+      asm volatile("cpushl %%bc,(%0)\n"
+		   "\taddq%.l #1,%0\n"
+		   "\tcpushl %%bc,(%0)\n"
+		   "\taddq%.l #1,%0\n"
+		   "\tcpushl %%bc,(%0)\n"
+		   "\taddq%.l #1,%0\n"
+		   "\tcpushl %%bc,(%0)" : : "a" (set));
+
+    /* next loop will finish the cache ie pass the hole */
+    end_set = LAST_ICACHE_ADDR;
+  }
+  for (set = start_set; set <= end_set; set += (0x10 - 3))
+    asm volatile("cpushl %%bc,(%0)\n"
+		 "\taddq%.l #1,%0\n"
+		 "\tcpushl %%bc,(%0)\n"
+		 "\taddq%.l #1,%0\n"
+		 "\tcpushl %%bc,(%0)\n"
+		 "\taddq%.l #1,%0\n"
+		 "\tcpushl %%bc,(%0)" : : "a" (set));
+}
+
+#define flush_dcache_page(page)			do { } while (0)
+#define flush_icache_page(vma, pg)		do { } while (0)
+#define flush_icache_user_range(adr, len)	do { } while (0)
+/* NL */
+#define flush_icache_user_page(vma, page, addr, len)	do { } while (0)
+
+/* Push n pages at kernel virtual address and clear the icache */
+/* use cpush %bc instead of cpush %dc, cinv %ic */
+extern inline void flush_icache_range(unsigned long address,
+				      unsigned long endaddr)
+{
+  unsigned long set;
+  unsigned long start_set;
+  unsigned long end_set;
+
+  start_set = address & _ICACHE_SET_MASK;
+  end_set = endaddr & _ICACHE_SET_MASK;
+
+  if (start_set > end_set) {
+    /* from the begining to the lowest address */
+    for (set = 0; set <= end_set; set += (0x10 - 3))
+      asm volatile("cpushl %%ic,(%0)\n"
+		   "\taddq%.l #1,%0\n"
+		   "\tcpushl %%ic,(%0)\n"
+		   "\taddq%.l #1,%0\n"
+		   "\tcpushl %%ic,(%0)\n"
+		   "\taddq%.l #1,%0\n"
+		   "\tcpushl %%ic,(%0)" : : "a" (set));
+
+    /* next loop will finish the cache ie pass the hole */
+    end_set = LAST_ICACHE_ADDR;
+  }
+  for (set = start_set; set <= end_set; set += (0x10 - 3))
+    asm volatile("cpushl %%ic,(%0)\n"
+		 "\taddq%.l #1,%0\n"
+		 "\tcpushl %%ic,(%0)\n"
+		 "\taddq%.l #1,%0\n"
+		 "\tcpushl %%ic,(%0)\n"
+		 "\taddq%.l #1,%0\n"
+		 "\tcpushl %%ic,(%0)" : : "a" (set));
+}
+
+static inline void copy_to_user_page(struct vm_area_struct *vma,
+				     struct page *page, unsigned long vaddr,
+				     void *dst, void *src, int len)
+{
+	memcpy(dst, src, len);
+	flush_icache_user_page(vma, page, vaddr, len);
+}
+static inline void copy_from_user_page(struct vm_area_struct *vma,
+				       struct page *page, unsigned long vaddr,
+				       void *dst, void *src, int len)
+{
+	memcpy(dst, src, len);
+}
+
+#define flush_cache_dup_mm(mm)			flush_cache_mm(mm)
+#define flush_cache_vmap(start, end)		flush_cache_all()
+#define flush_cache_vunmap(start, end)		flush_cache_all()
+#define flush_dcache_mmap_lock(mapping)		do { } while (0)
+#define flush_dcache_mmap_unlock(mapping)	do { } while (0)
+
+#endif /* M68K_CF_CACHEFLUSH_H */
--- /dev/null
+++ b/include/asm-m68k/cf_entry.h
@@ -0,0 +1,146 @@
+#ifndef __CF_M68K_ENTRY_H
+#define __CF_M68K_ENTRY_H
+
+#include <asm/setup.h>
+#include <asm/page.h>
+#include <asm/coldfire.h>
+#include <asm/cfmmu.h>
+#include <asm/asm-offsets.h>
+
+/*
+ * Stack layout in 'ret_from_exception':
+ *
+ *	This allows access to the syscall arguments in registers d1-d5
+ *
+ *	 0(sp) - d1
+ *	 4(sp) - d2
+ *	 8(sp) - d3
+ *	 C(sp) - d4
+ *	10(sp) - d5
+ *	14(sp) - a0
+ *	18(sp) - a1
+ *	1C(sp) - a2
+ *	20(sp) - d0
+ *	24(sp) - orig_d0
+ *	28(sp) - stack adjustment
+ *	2C(sp) - sr
+ *	2E(sp) - pc
+ *	32(sp) - format & vector
+ *	36(sp) - MMUSR
+ *	3A(sp) - MMUAR
+ */
+
+/*
+ * 97/05/14 Andreas: Register %a2 is now set to the current task throughout
+ *		     the whole kernel.
+ */
+
+/* the following macro is used when enabling interrupts */
+/* portable version */
+#define ALLOWINT	(~0x700)
+#define	MAX_NOINT_IPL	0
+
+#ifdef __ASSEMBLY__
+
+#define curptr a2
+
+LFLUSH_I_AND_D = 0x00000808
+LSIGTRAP = 5
+
+/* process bits for task_struct.ptrace */
+PT_TRACESYS_OFF = 3
+PT_TRACESYS_BIT = 1
+PT_PTRACED_OFF = 3
+PT_PTRACED_BIT = 0
+PT_DTRACE_OFF = 3
+PT_DTRACE_BIT = 2
+
+#define SAVE_ALL_INT save_all_int
+#define SAVE_ALL_SYS save_all_sys
+#define RESTORE_ALL restore_all
+/*
+ * This defines the normal kernel pt-regs layout.
+ *
+ * regs a3-a6 and d6-d7 are preserved by C code
+ * the kernel doesn't mess with usp unless it needs to
+ */
+
+/*
+ * a -1 in the orig_d0 field signifies
+ * that the stack frame is NOT for syscall
+ */
+.macro	save_all_int
+	movel	MMUSR,%sp@-
+	movel	MMUAR,%sp@-
+	clrl	%sp@-		| stk_adj
+	pea	-1:w		| orig d0
+	movel	%d0,%sp@-	| d0
+	subal	#(8*4), %sp
+	moveml	%d1-%d5/%a0-%a1/%curptr,%sp@
+.endm
+
+.macro	save_all_sys
+	movel	MMUSR,%sp@-
+	movel	MMUAR,%sp@-
+	clrl	%sp@-		| stk_adj
+	movel	%d0,%sp@-	| orig d0
+	movel	%d0,%sp@-	| d0
+	subal	#(8*4), %sp
+	moveml	%d1-%d5/%a0-%a1/%curptr,%sp@
+.endm
+
+.macro	restore_all
+	moveml	%sp@,%a0-%a1/%curptr/%d1-%d5
+	addal	#(8*4), %sp
+	movel	%sp@+,%d0	| d0
+	addql	#4,%sp		| orig d0
+	addl	%sp@+,%sp	| stk_adj
+	addql	#8,%sp		| MMUAR & MMUSR
+	rte
+.endm
+
+#define SWITCH_STACK_SIZE (6*4+4)	/* includes return address */
+
+#define SAVE_SWITCH_STACK save_switch_stack
+#define RESTORE_SWITCH_STACK restore_switch_stack
+#define GET_CURRENT(tmp) get_current tmp
+
+.macro	save_switch_stack
+	subal	#(6*4), %sp
+	moveml	%a3-%a6/%d6-%d7,%sp@
+.endm
+
+.macro	restore_switch_stack
+	moveml	%sp@,%a3-%a6/%d6-%d7
+	addal	#(6*4), %sp
+.endm
+
+.macro	get_current reg=%d0
+	movel	%sp,\reg
+	andl	#-THREAD_SIZE,\reg
+	movel	\reg,%curptr
+	movel	%curptr@,%curptr
+.endm
+
+#else /* C source */
+
+#define STR(X) STR1(X)
+#define STR1(X) #X
+
+#define PT_OFF_ORIG_D0	 0x24
+#define PT_OFF_FORMATVEC 0x32
+#define PT_OFF_SR	 0x2C
+#define SAVE_ALL_INT				\
+	"clrl	%%sp@-;"    /* stk_adj */	\
+	"pea	-1:w;"	    /* orig d0 = -1 */	\
+	"movel	%%d0,%%sp@-;" /* d0 */		\
+	"subal	#(8*4),%sp"			\
+	"moveml	%%d1-%%d5/%%a0-%%a2,%%sp@"
+#define GET_CURRENT(tmp) \
+	"movel	%%sp,"#tmp"\n\t" \
+	"andw	#-"STR(THREAD_SIZE)","#tmp"\n\t" \
+	"movel	"#tmp",%%a2\n\t"
+
+#endif
+
+#endif /* __CF_M68K_ENTRY_H */
--- /dev/null
+++ b/include/asm-m68k/cf_pgalloc.h
@@ -0,0 +1,99 @@
+#ifndef M68K_CF_PGALLOC_H
+#define M68K_CF_PGALLOC_H
+
+#include <asm/coldfire.h>
+#include <asm/page.h>
+#include <asm/cf_tlbflush.h>
+
+extern inline void pte_free_kernel(pte_t *pte)
+{
+	free_page((unsigned long) pte);
+}
+
+extern const char bad_pmd_string[];
+
+extern inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
+	unsigned long address)
+{
+	unsigned long page = __get_free_page(GFP_DMA|__GFP_REPEAT);
+
+	if (!page)
+		return NULL;
+
+	memset((void *)page, 0, PAGE_SIZE);
+	return (pte_t *) (page);
+}
+
+extern inline pmd_t *pmd_alloc_kernel(pgd_t *pgd, unsigned long address)
+{
+	return (pmd_t *) pgd;
+}
+
+#define pmd_alloc_one_fast(mm, address) ({ BUG(); ((pmd_t *)1); })
+#define pmd_alloc_one(mm, address)      ({ BUG(); ((pmd_t *)2); })
+
+#define pte_alloc_one_fast(mm, addr) pte_alloc_one(mm, addr)
+
+#define pmd_populate(mm, pmd, page) (pmd_val(*pmd) = \
+	(unsigned long)(page_address(page)))
+#define pmd_populate_kernel(mm, pmd, pte) (pmd_val(*pmd) = (unsigned long)(pte))
+
+static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *page)
+{
+	__free_page(page);
+}
+
+#define __pmd_free_tlb(tlb, pmd) do { } while (0)
+
+static inline struct page *pte_alloc_one(struct mm_struct *mm,
+	unsigned long address)
+{
+	struct page *page = alloc_pages(GFP_DMA|__GFP_REPEAT, 0);
+	pte_t *pte;
+
+	if (!page)
+		return NULL;
+
+	pte = kmap(page);
+	if (pte) {
+		clear_page(pte);
+		__flush_page_to_ram(pte);
+		flush_tlb_kernel_page(pte);
+		nocache_page(pte);
+	}
+	kunmap(pte);
+
+	return page;
+}
+
+extern inline void pte_free(struct page *page)
+{
+	__free_page(page);
+}
+
+/*
+ * In our implementation, each pgd entry contains 1 pmd that is never allocated
+ * or freed.  pgd_present is always 1, so this should never be called. -NL
+ */
+#define pmd_free(pmd) BUG()
+
+extern inline void pgd_free(pgd_t *pgd)
+{
+	free_page((unsigned long) pgd);
+}
+
+extern inline pgd_t *pgd_alloc(struct mm_struct *mm)
+{
+     pgd_t *new_pgd;
+
+     new_pgd = (pgd_t *)__get_free_page(GFP_DMA | __GFP_NOWARN);
+     if (!new_pgd)
+	     return NULL;
+     memcpy(new_pgd, swapper_pg_dir, PAGE_SIZE);
+     memset(new_pgd, 0, PAGE_OFFSET >> PGDIR_SHIFT);
+     return new_pgd;
+}
+
+#define pgd_populate(mm, pmd, pte) BUG()
+
+#endif /* M68K_CF_PGALLOC_H */
--- /dev/null
+++ b/include/asm-m68k/cf_pgtable.h
@@ -0,0 +1,357 @@
+#ifndef _CF_PGTABLE_H
+#define _CF_PGTABLE_H
+
+#include <asm/cfmmu.h>
+#include <asm/page.h>
+
+#ifndef __ASSEMBLY__
+#include <asm/virtconvert.h>
+#include <linux/linkage.h>
+
+/* For virtual address to physical address conversion */
+#define VTOP(addr)	__pa(addr)
+#define PTOV(addr)	__va(addr)
+
+
+#endif	/* !__ASSEMBLY__ */
+
+/* Page protection values within PTE. */
+
+/* MMUDR bits, in proper place. */
+#define CF_PAGE_LOCKED      (0x00000002)
+#define CF_PAGE_EXEC        (0x00000004)
+#define CF_PAGE_WRITABLE    (0x00000008)
+#define CF_PAGE_READABLE    (0x00000010)
+#define CF_PAGE_SYSTEM      (0x00000020)
+#define CF_PAGE_COPYBACK    (0x00000040)
+#define CF_PAGE_NOCACHE     (0x00000080)
+
+#define CF_CACHEMASK       (~0x00000040)
+#define CF_PAGE_MMUDR_MASK  (0x000000fe)
+
+#define _PAGE_NOCACHE030  (CF_PAGE_NOCACHE)
+
+/* MMUTR bits, need shifting down.  */
+#define CF_PAGE_VALID       (0x00000400)
+#define CF_PAGE_SHARED      (0x00000800)
+
+#define CF_PAGE_MMUTR_MASK  (0x00000c00)
+#define CF_PAGE_MMUTR_SHIFT (10)
+#define CF_ASID_MMU_SHIFT   (2)
+
+/* Fake bits, not implemented in CF, will get masked out before
+   hitting hardware, and might go away altogether once this port is
+   complete.  */
+#if PAGE_SHIFT < 13
+#error COLDFIRE Error: Pages must be at least 8k in size
+#endif
+#define CF_PAGE_ACCESSED    (0x00001000)
+#define CF_PAGE_FILE        (0x00000200)
+#define CF_PAGE_DIRTY       (0x00000001)
+
+#define _PAGE_CACHE040	0x020   /* 68040 cache mode, cachable, copyback */
+#define _PAGE_NOCACHE_S 0x040   /* 68040 no-cache mode, serialized */
+#define _PAGE_NOCACHE   0x060   /* 68040 cache mode, non-serialized */
+#define _PAGE_CACHE040W 0x000   /* 68040 cache mode, cachable, write-through */
+#define _DESCTYPE_MASK  0x003
+#define _CACHEMASK040   (~0x060)
+#define _PAGE_GLOBAL040 0x400   /* 68040 global bit, used for kva descs */
+
+
+/* Externally used page protection values. */
+#define _PAGE_PRESENT	(CF_PAGE_VALID)
+#define _PAGE_ACCESSED	(CF_PAGE_ACCESSED)
+#define _PAGE_DIRTY	(CF_PAGE_DIRTY)
+#define _PAGE_READWRITE (CF_PAGE_WRITABLE \
+			| CF_PAGE_READABLE \
+			| CF_PAGE_SYSTEM \
+			| CF_PAGE_SHARED)
+
+/* Compound page protection values. */
+#define PAGE_NONE	__pgprot(CF_PAGE_VALID \
+				 | CF_PAGE_ACCESSED)
+
+#define PAGE_SHARED     __pgprot(CF_PAGE_VALID \
+				 | CF_PAGE_ACCESSED \
+				 | CF_PAGE_SHARED)
+
+#define PAGE_INIT	__pgprot(CF_PAGE_VALID \
+				 | CF_PAGE_WRITABLE \
+				 | CF_PAGE_READABLE \
+				 | CF_PAGE_EXEC \
+				 | CF_PAGE_SYSTEM \
+				 | CF_PAGE_SHARED)
+
+#define PAGE_KERNEL	__pgprot(CF_PAGE_VALID \
+				 | CF_PAGE_WRITABLE \
+				 | CF_PAGE_READABLE \
+				 | CF_PAGE_EXEC \
+				 | CF_PAGE_SYSTEM \
+				 | CF_PAGE_SHARED \
+				 | CF_PAGE_ACCESSED)
+
+#define PAGE_COPY	__pgprot(CF_PAGE_VALID \
+				 | CF_PAGE_ACCESSED \
+				 | CF_PAGE_READABLE \
+				 | CF_PAGE_DIRTY)
+/*
+ * Page protections for initialising protection_map.  See mm/mmap.c
+ * for use.  In general, the bit positions are xwr, and P-items are
+ * private, the S-items are shared.
+ */
+
+#define __P000	PAGE_NONE
+#define __P100	__pgprot(CF_PAGE_VALID \
+			 | CF_PAGE_ACCESSED \
+			 | CF_PAGE_EXEC)
+#define __P010	__pgprot(CF_PAGE_VALID \
+			 | CF_PAGE_WRITABLE \
+			 | CF_PAGE_ACCESSED)
+#define __P110	__pgprot(CF_PAGE_VALID \
+			 | CF_PAGE_ACCESSED \
+			 | CF_PAGE_WRITABLE \
+			 | CF_PAGE_EXEC)
+#define __P001	__pgprot(CF_PAGE_VALID \
+			 | CF_PAGE_ACCESSED \
+			 | CF_PAGE_READABLE)
+#define __P101	__pgprot(CF_PAGE_VALID \
+			 | CF_PAGE_ACCESSED \
+			 | CF_PAGE_READABLE \
+			 | CF_PAGE_EXEC)
+#define __P011	__pgprot(CF_PAGE_VALID \
+			 | CF_PAGE_READABLE \
+			 | CF_PAGE_WRITABLE \
+			 | CF_PAGE_ACCESSED)
+#define __P111	__pgprot(CF_PAGE_VALID \
+			 | CF_PAGE_ACCESSED \
+			 | CF_PAGE_WRITABLE \
+			 | CF_PAGE_READABLE \
+			 | CF_PAGE_EXEC)
+
+#define __S000	PAGE_NONE
+#define __S100	__pgprot(CF_PAGE_VALID \
+			 | CF_PAGE_ACCESSED \
+			 | CF_PAGE_SHARED \
+			 | CF_PAGE_EXEC)
+#define __S010	PAGE_SHARED
+#define __S110	__pgprot(CF_PAGE_VALID \
+			 | CF_PAGE_ACCESSED \
+			 | CF_PAGE_SHARED \
+			 | CF_PAGE_EXEC)
+#define __S001	__pgprot(CF_PAGE_VALID \
+			 | CF_PAGE_ACCESSED \
+			 | CF_PAGE_SHARED \
+			 | CF_PAGE_READABLE)
+#define __S101	__pgprot(CF_PAGE_VALID \
+			 | CF_PAGE_ACCESSED \
+			 | CF_PAGE_SHARED \
+			 | CF_PAGE_READABLE \
+			 | CF_PAGE_EXEC)
+#define __S011	__pgprot(CF_PAGE_VALID \
+			 | CF_PAGE_ACCESSED \
+			 | CF_PAGE_SHARED \
+			 | CF_PAGE_READABLE)
+#define __S111	__pgprot(CF_PAGE_VALID \
+			 | CF_PAGE_ACCESSED \
+			 | CF_PAGE_SHARED \
+			 | CF_PAGE_READABLE \
+			 | CF_PAGE_EXEC)
+
+#define PTE_MASK	PAGE_MASK
+#define CF_PAGE_CHG_MASK	(PTE_MASK | CF_PAGE_ACCESSED | CF_PAGE_DIRTY)
+
+#ifndef __ASSEMBLY__
+
+/*
+ * Conversion functions: convert a page and protection to a page entry,
+ * and a page entry and page directory to the page they refer to.
+ */
+#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot))
+
+extern inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
+{
+	pte_val(pte) = (pte_val(pte) & CF_PAGE_CHG_MASK) | pgprot_val(newprot);
+	return pte;
+}
+
+#define pmd_set(pmdp, ptep) do {} while (0)
+
+extern inline void pgd_set(pgd_t *pgdp, pmd_t *pmdp)
+{
+	pgd_val(*pgdp) = virt_to_phys(pmdp);
+}
+
+#define __pte_page(pte) \
+	((unsigned long) ((pte_val(pte) & CF_PAGE_PGNUM_MASK) + PAGE_OFFSET))
+#define __pmd_page(pmd) ((unsigned long) (pmd_val(pmd)))
+
+extern inline int pte_none(pte_t pte)
+{
+	return !pte_val(pte);
+}
+extern inline int pte_present(pte_t pte)
+{
+	return pte_val(pte) & CF_PAGE_VALID;
+}
+extern inline void pte_clear(struct mm_struct *mm, unsigned long addr,
+	pte_t *ptep)
+{
+	pte_val(*ptep) = 0;
+}
+
+#define pte_pagenr(pte)		((__pte_page(pte) - PAGE_OFFSET) >> PAGE_SHIFT)
+#define pte_page(pte)		virt_to_page(__pte_page(pte))
+
+extern inline int pmd_none2(pmd_t *pmd) { return !pmd_val(*pmd); }
+#define pmd_none(pmd) pmd_none2(&(pmd))
+extern inline int pmd_bad2(pmd_t *pmd) { return 0; }
+#define pmd_bad(pmd) pmd_bad2(&(pmd))
+#define pmd_present(pmd) (!pmd_none2(&(pmd)))
+extern inline void pmd_clear(pmd_t *pmdp) { pmd_val(*pmdp) = 0; }
+
+extern inline int pgd_none(pgd_t pgd) { return 0; }
+extern inline int pgd_bad(pgd_t pgd) { return 0; }
+extern inline int pgd_present(pgd_t pgd) { return 1; }
+extern inline void pgd_clear(pgd_t *pgdp) {}
+
+
+#define pte_ERROR(e) \
+	printk(KERN_ERR "%s:%d: bad pte %08lx.\n",	\
+	__FILE__, __LINE__, pte_val(e))
+#define pmd_ERROR(e) \
+	printk(KERN_ERR "%s:%d: bad pmd %08lx.\n",	\
+	__FILE__, __LINE__, pmd_val(e))
+#define pgd_ERROR(e) \
+	printk(KERN_ERR "%s:%d: bad pgd %08lx.\n",	\
+	__FILE__, __LINE__, pgd_val(e))
+
+
+/*
+ * The following only work if pte_present() is true.
+ * Undefined behaviour if not...
+ * [we have the full set here even if they don't change from m68k]
+ */
+extern inline int pte_read(pte_t pte)	\
+	{ return pte_val(pte) & CF_PAGE_READABLE; }
+extern inline int pte_write(pte_t pte)	\
+	{ return pte_val(pte) & CF_PAGE_WRITABLE; }
+extern inline int pte_exec(pte_t pte)	\
+	{ return pte_val(pte) & CF_PAGE_EXEC; }
+extern inline int pte_dirty(pte_t pte)	\
+	{ return pte_val(pte) & CF_PAGE_DIRTY; }
+extern inline int pte_young(pte_t pte)	\
+	{ return pte_val(pte) & CF_PAGE_ACCESSED; }
+extern inline int pte_file(pte_t pte)	\
+	{ return pte_val(pte) & CF_PAGE_FILE; }
+
+extern inline pte_t pte_wrprotect(pte_t pte)	\
+	{ pte_val(pte) &= ~CF_PAGE_WRITABLE; return pte; }
+extern inline pte_t pte_rdprotect(pte_t pte)	\
+	{ pte_val(pte) &= ~CF_PAGE_READABLE; return pte; }
+extern inline pte_t pte_exprotect(pte_t pte)	\
+	{ pte_val(pte) &= ~CF_PAGE_EXEC; return pte; }
+extern inline pte_t pte_mkclean(pte_t pte)	\
+	{ pte_val(pte) &= ~CF_PAGE_DIRTY; return pte; }
+extern inline pte_t pte_mkold(pte_t pte)	\
+	{ pte_val(pte) &= ~CF_PAGE_ACCESSED; return pte; }
+extern inline pte_t pte_mkwrite(pte_t pte)	\
+	{ pte_val(pte) |= CF_PAGE_WRITABLE; return pte; }
+extern inline pte_t pte_mkread(pte_t pte)	\
+	{ pte_val(pte) |= CF_PAGE_READABLE; return pte; }
+extern inline pte_t pte_mkexec(pte_t pte)	\
+	{ pte_val(pte) |= CF_PAGE_EXEC; return pte; }
+extern inline pte_t pte_mkdirty(pte_t pte)	\
+	{ pte_val(pte) |= CF_PAGE_DIRTY; return pte; }
+extern inline pte_t pte_mkyoung(pte_t pte)	\
+	{ pte_val(pte) |= CF_PAGE_ACCESSED; return pte; }
+extern inline pte_t pte_mknocache(pte_t pte)	\
+	{ pte_val(pte) |= 0x80 | (pte_val(pte) & ~0x40); return pte; }
+extern inline pte_t pte_mkcache(pte_t pte)	\
+	{ pte_val(pte) &= ~CF_PAGE_NOCACHE; return pte; }
+
+#define swapper_pg_dir kernel_pg_dir
+extern pgd_t kernel_pg_dir[PTRS_PER_PGD];
+
+/* Find an entry in a pagetable directory. */
+#define pgd_index(address)     ((address) >> PGDIR_SHIFT)
+
+#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address))
+
+/* Find an entry in a kernel pagetable directory. */
+#define pgd_offset_k(address) pgd_offset(&init_mm, address)
+
+/* Find an entry in the second-level pagetable. */
+extern inline pmd_t *pmd_offset(pgd_t *pgd, unsigned long address)
+{
+	return (pmd_t *) pgd;
+}
+
+/* Find an entry in the third-level pagetable. */
+#define __pte_offset(address) ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
+#define pte_offset_kernel(dir, address) ((pte_t *) __pmd_page(*(dir)) + \
+					  __pte_offset(address))
+
+/* Disable caching for page at given kernel virtual address. */
+static inline void nocache_page(void *vaddr)
+{
+	pgd_t *dir;
+	pmd_t *pmdp;
+	pte_t *ptep;
+	unsigned long addr = (unsigned long)vaddr;
+
+	dir = pgd_offset_k(addr);
+	pmdp = pmd_offset(dir, addr);
+	ptep = pte_offset_kernel(pmdp, addr);
+	*ptep = pte_mknocache(*ptep);
+}
+
+/* Enable caching for page at given kernel virtual address. */
+static inline void cache_page(void *vaddr)
+{
+	pgd_t *dir;
+	pmd_t *pmdp;
+	pte_t *ptep;
+	unsigned long addr = (unsigned long)vaddr;
+
+	dir = pgd_offset_k(addr);
+	pmdp = pmd_offset(dir, addr);
+	ptep = pte_offset_kernel(pmdp, addr);
+	*ptep = pte_mkcache(*ptep);
+}
+
+#define PTE_FILE_MAX_BITS	21
+#define PTE_FILE_SHIFT		11
+
+static inline unsigned long pte_to_pgoff(pte_t pte)
+{
+	return pte_val(pte) >> PTE_FILE_SHIFT;
+}
+
+static inline pte_t pgoff_to_pte(unsigned pgoff)
+{
+	pte_t pte = __pte((pgoff << PTE_FILE_SHIFT) + CF_PAGE_FILE);
+	return pte;
+}
+
+/* Encode and de-code a swap entry (must be !pte_none(e) && !pte_present(e)) */
+#define __swp_entry(type, offset) ((swp_entry_t) { (type) |	\
+				   (offset << PTE_FILE_SHIFT) })
+#define __swp_type(x)		((x).val & 0xFF)
+#define __swp_offset(x)		((x).val >> PTE_FILE_SHIFT)
+#define __pte_to_swp_entry(pte)	((swp_entry_t) { pte_val(pte) })
+#define __swp_entry_to_pte(x)	(__pte((x).val))
+
+#define pmd_page(pmd)		virt_to_page(__pmd_page(pmd))
+
+#define pte_offset_map(pmdp, address) ((pte_t *)__pmd_page(*pmdp) +	\
+				       __pte_offset(address))
+#define pte_offset_map_nested(pmdp, address) pte_offset_map(pmdp, address)
+#define pte_unmap(pte) kunmap(pte)
+#define pte_unmap_nested(pte) kunmap(pte)
+
+#define pfn_pte(pfn, prot)	__pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
+#define pte_pfn(pte)		(pte_val(pte) >> PAGE_SHIFT)
+
+
+#endif	/* !__ASSEMBLY__ */
+#endif	/* !_CF_PGTABLE_H */
--- /dev/null
+++ b/include/asm-m68k/cf_tlbflush.h
@@ -0,0 +1,59 @@
+#ifndef M68K_CF_TLBFLUSH_H
+#define M68K_CF_TLBFLUSH_H
+
+#include <asm/coldfire.h>
+
+/* Flush all userspace mappings.  */
+static inline void flush_tlb_all(void)
+{
+	preempt_disable();
+	*MMUOR = MMUOR_CNL;
+	preempt_enable();
+}
+
+/* Clear user TLB entries within the context named in mm */
+static inline void flush_tlb_mm(struct mm_struct *mm)
+{
+	preempt_disable();
+	*MMUOR = MMUOR_CNL;
+	preempt_enable();
+}
+
+/* Flush a single TLB page.  */
+static inline void flush_tlb_page(struct vm_area_struct *vma,
+				   unsigned long addr)
+{
+	preempt_disable();
+	*MMUOR = MMUOR_CNL;
+	preempt_enable();
+}
+/* Flush a range of pages from TLB. */
+
+static inline void flush_tlb_range(struct mm_struct *mm,
+		      unsigned long start, unsigned long end)
+{
+	preempt_disable();
+	*MMUOR = MMUOR_CNL;
+	preempt_enable();
+}
+
+/* Flush kernel page from TLB. */
+static inline void flush_tlb_kernel_page(void *addr)
+{
+	preempt_disable();
+	*MMUOR = MMUOR_CNL;
+	preempt_enable();
+}
+
+static inline void flush_tlb_kernel_range(unsigned long start,
+	unsigned long end)
+{
+	flush_tlb_all();
+}
+
+extern inline void flush_tlb_pgtables(struct mm_struct *mm,
+				      unsigned long start, unsigned long end)
+{
+}
+
+#endif /* M68K_CF_TLBFLUSH_H */
--- /dev/null
+++ b/include/asm-m68k/cf_uaccess.h
@@ -0,0 +1,376 @@
+#ifndef __M68K_CF_UACCESS_H
+#define __M68K_CF_UACCESS_H
+
+/*
+ * User space memory access functions
+ */
+
+/* The "moves" command is not available in the CF instruction set. */
+#include <linux/compiler.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <asm/segment.h>
+
+#define VERIFY_READ	0
+#define VERIFY_WRITE	1
+
+/* We let the MMU do all checking */
+#define access_ok(type, addr, size) 1
+
+/*
+ * The exception table consists of pairs of addresses: the first is the
+ * address of an instruction that is allowed to fault, and the second is
+ * the address at which the program should continue.  No registers are
+ * modified, so it is entirely up to the continuation code to figure out
+ * what to do.
+ *
+ * All the routines below use bits of fixup code that are out of line
+ * with the main instruction path.  This means when everything is well,
+ * we don't even have to jump over them.  Further, they do not intrude
+ * on our cache or tlb entries.
+ */
+
+struct exception_table_entry
+{
+	unsigned long insn, fixup;
+};
+
+extern int __put_user_bad(void);
+extern int __get_user_bad(void);
+
+#define __put_user_asm(res, x, ptr, bwl, reg, err)	\
+asm volatile ("\n"					\
+	"1:	move."#bwl"	%2,%1\n"		\
+	"2:\n"						\
+	"	.section .fixup,\"ax\"\n"		\
+	"	.even\n"				\
+	"10:	moveq.l	%3,%0\n"			\
+	"	jra 2b\n"				\
+	"	.previous\n"				\
+	"\n"						\
+	"	.section __ex_table,\"a\"\n"		\
+	"	.align	4\n"				\
+	"	.long	1b,10b\n"			\
+	"	.long	2b,10b\n"			\
+	"	.previous"				\
+	: "+d" (res), "=m" (*(ptr))			\
+	: #reg (x), "i" (err))
+
+/*
+ * These are the main single-value transfer routines.  They automatically
+ * use the right size if we just have the right pointer type.
+ */
+
+#define __put_user(x, ptr)						\
+({									\
+	typeof(*(ptr)) __pu_val = (x);					\
+	int __pu_err = 0;						\
+	__chk_user_ptr(ptr);						\
+	switch (sizeof (*(ptr))) {					\
+	case 1:								\
+		__put_user_asm(__pu_err, __pu_val, ptr, b, d, -EFAULT);	\
+		break;							\
+	case 2:								\
+		__put_user_asm(__pu_err, __pu_val, ptr, w, d, -EFAULT);	\
+		break;							\
+	case 4:								\
+		__put_user_asm(__pu_err, __pu_val, ptr, l, r, -EFAULT);	\
+		break;							\
+	case 8:								\
+		{							\
+		const void __user *__pu_ptr = (ptr);			\
+		asm volatile ("\n"					\
+			"1:	move.l	%2,(%1)+\n"			\
+			"2:	move.l	%R2,(%1)\n"			\
+			"3:\n"						\
+			"	.section .fixup,\"ax\"\n"		\
+			"	.even\n"				\
+			"10:	movel %3,%0\n"				\
+			"	jra 3b\n"				\
+			"	.previous\n"				\
+			"\n"						\
+			"	.section __ex_table,\"a\"\n"		\
+			"	.align 4\n"				\
+			"	.long 1b,10b\n"				\
+			"	.long 2b,10b\n"				\
+			"	.long 3b,10b\n"				\
+			"	.previous"				\
+			: "+d" (__pu_err), "+a" (__pu_ptr)		\
+			: "r" (__pu_val), "i" (-EFAULT)			\
+			: "memory");					\
+		break;							\
+	    }								\
+	default:							\
+		__pu_err = __put_user_bad();				\
+		break;							\
+	}								\
+	__pu_err;							\
+})
+#define put_user(x, ptr)	__put_user(x, ptr)
+
+
+#define __get_user_asm(res, x, ptr, type, bwl, reg, err) ({	\
+	type __gu_val;						\
+	asm volatile ("\n"					\
+		"1:	move."#bwl"	%2,%1\n"		\
+		"2:\n"						\
+		"	.section .fixup,\"ax\"\n"		\
+		"	.even\n"				\
+		"10:	move.l	%3,%0\n"			\
+		"	subl	%1,%1\n"			\
+		"	jra	2b\n"				\
+		"	.previous\n"				\
+		"\n"						\
+		"	.section __ex_table,\"a\"\n"		\
+		"	.align	4\n"				\
+		"	.long	1b,10b\n"			\
+		"	.previous"				\
+		: "+d" (res), "=&" #reg (__gu_val)		\
+		: "m" (*(ptr)), "i" (err));			\
+	(x) = (typeof(*(ptr)))(unsigned long)__gu_val;		\
+})
+
+#define __get_user(x, ptr)						\
+({									\
+	int __gu_err = 0;						\
+	__chk_user_ptr(ptr);						\
+	switch (sizeof(*(ptr))) {					\
+	case 1:								\
+		__get_user_asm(__gu_err, x, ptr, u8, b, d, -EFAULT);	\
+		break;							\
+	case 2:								\
+		__get_user_asm(__gu_err, x, ptr, u16, w, d, -EFAULT);	\
+		break;							\
+	case 4:								\
+		__get_user_asm(__gu_err, x, ptr, u32, l, r, -EFAULT);	\
+		break;							\
+/*	case 8:	disabled because gcc-4.1 has a broken typeof		\
+		{							\
+		const void *__gu_ptr = (ptr);				\
+		u64 __gu_val;						\
+		asm volatile ("\n"					\
+			"1:	move.l	(%2)+,%1\n"			\
+			"2:	move.l	(%2),%R1\n"			\
+			"3:\n"						\
+			"	.section .fixup,\"ax\"\n"		\
+			"	.even\n"				\
+			"10:	move.l	%3,%0\n"			\
+			"	subl	%1,%1\n"			\
+			"	subl	%R1,%R1\n"			\
+			"	jra	3b\n"				\
+			"	.previous\n"				\
+			"\n"						\
+			"	.section __ex_table,\"a\"\n"		\
+			"	.align	4\n"				\
+			"	.long	1b,10b\n"			\
+			"	.long	2b,10b\n"			\
+			"	.previous"				\
+			: "+d" (__gu_err), "=&r" (__gu_val),		\
+			  "+a" (__gu_ptr)				\
+			: "i" (-EFAULT)					\
+			: "memory");					\
+		(x) = (typeof(*(ptr)))__gu_val;				\
+		break;							\
+	    }	*/							\
+	default:							\
+		__gu_err = __get_user_bad();				\
+		break;							\
+	}								\
+	__gu_err;							\
+})
+#define get_user(x, ptr) __get_user(x, ptr)
+
+unsigned long __generic_copy_from_user(void *to, const void __user *from,
+	unsigned long n);
+unsigned long __generic_copy_to_user(void __user *to, const void *from,
+	unsigned long n);
+
+#define __constant_copy_from_user_asm(res, to, from, tmp, n, s1, s2, s3)\
+	asm volatile ("\n"						\
+		"1:	move."#s1"	(%2)+,%3\n"			\
+		"	move."#s1"	%3,(%1)+\n"			\
+		"2:	move."#s2"	(%2)+,%3\n"			\
+		"	move."#s2"	%3,(%1)+\n"			\
+		"	.ifnc	\""#s3"\",\"\"\n"			\
+		"3:	move."#s3"	(%2)+,%3\n"			\
+		"	move."#s3"	%3,(%1)+\n"			\
+		"	.endif\n"					\
+		"4:\n"							\
+		"	.section __ex_table,\"a\"\n"			\
+		"	.align	4\n"					\
+		"	.long	1b,10f\n"				\
+		"	.long	2b,20f\n"				\
+		"	.ifnc	\""#s3"\",\"\"\n"			\
+		"	.long	3b,30f\n"				\
+		"	.endif\n"					\
+		"	.previous\n"					\
+		"\n"							\
+		"	.section .fixup,\"ax\"\n"			\
+		"	.even\n"					\
+		"10:	clr."#s1"	(%1)+\n"			\
+		"20:	clr."#s2"	(%1)+\n"			\
+		"	.ifnc	\""#s3"\",\"\"\n"			\
+		"30:	clr."#s3"	(%1)+\n"			\
+		"	.endif\n"					\
+		"	moveq.l	#"#n",%0\n"				\
+		"	jra	4b\n"					\
+		"	.previous\n"					\
+		: "+d" (res), "+&a" (to), "+a" (from), "=&d" (tmp)	\
+		: : "memory")
+
+static __always_inline unsigned long
+__constant_copy_from_user(void *to, const void __user *from, unsigned long n)
+{
+	unsigned long res = 0, tmp;
+
+	switch (n) {
+	case 1:
+		__get_user_asm(res, *(u8 *)to, (u8 __user *)from, u8, b, d, 1);
+		break;
+	case 2:
+		__get_user_asm(res, *(u16 *)to, (u16 __user *)from, u16, w,
+			d, 2);
+		break;
+	case 3:
+		__constant_copy_from_user_asm(res, to, from, tmp, 3, w, b,);
+		break;
+	case 4:
+		__get_user_asm(res, *(u32 *)to, (u32 __user *)from, u32, l,
+			r, 4);
+		break;
+	case 5:
+		__constant_copy_from_user_asm(res, to, from, tmp, 5, l, b,);
+		break;
+	case 6:
+		__constant_copy_from_user_asm(res, to, from, tmp, 6, l, w,);
+		break;
+	case 7:
+		__constant_copy_from_user_asm(res, to, from, tmp, 7, l, w, b);
+		break;
+	case 8:
+		__constant_copy_from_user_asm(res, to, from, tmp, 8, l, l,);
+		break;
+	case 9:
+		__constant_copy_from_user_asm(res, to, from, tmp, 9, l, l, b);
+		break;
+	case 10:
+		__constant_copy_from_user_asm(res, to, from, tmp, 10, l, l, w);
+		break;
+	case 12:
+		__constant_copy_from_user_asm(res, to, from, tmp, 12, l, l, l);
+		break;
+	default:
+		/* we limit the inlined version to 3 moves */
+		return __generic_copy_from_user(to, from, n);
+	}
+
+	return res;
+}
+
+#define __constant_copy_to_user_asm(res, to, from, tmp, n, s1, s2, s3)	\
+	asm volatile ("\n"						\
+		"	move."#s1"	(%2)+,%3\n"			\
+		"11:	move."#s1"	%3,(%1)+\n"			\
+		"12:	move."#s2"	(%2)+,%3\n"			\
+		"21:	move."#s2"	%3,(%1)+\n"			\
+		"22:\n"							\
+		"	.ifnc	\""#s3"\",\"\"\n"			\
+		"	move."#s3"	(%2)+,%3\n"			\
+		"31:	move."#s3"	%3,(%1)+\n"			\
+		"32:\n"							\
+		"	.endif\n"					\
+		"4:\n"							\
+		"\n"							\
+		"	.section __ex_table,\"a\"\n"			\
+		"	.align	4\n"					\
+		"	.long	11b,5f\n"				\
+		"	.long	12b,5f\n"				\
+		"	.long	21b,5f\n"				\
+		"	.long	22b,5f\n"				\
+		"	.ifnc	\""#s3"\",\"\"\n"			\
+		"	.long	31b,5f\n"				\
+		"	.long	32b,5f\n"				\
+		"	.endif\n"					\
+		"	.previous\n"					\
+		"\n"							\
+		"	.section .fixup,\"ax\"\n"			\
+		"	.even\n"					\
+		"5:	moveq.l	#"#n",%0\n"				\
+		"	jra	4b\n"					\
+		"	.previous\n"					\
+		: "+d" (res), "+a" (to), "+a" (from), "=&d" (tmp)	\
+		: : "memory")
+
+static __always_inline unsigned long
+__constant_copy_to_user(void __user *to, const void *from, unsigned long n)
+{
+	unsigned long res = 0, tmp;
+
+	switch (n) {
+	case 1:
+		__put_user_asm(res, *(u8 *)from, (u8 __user *)to, b, d, 1);
+		break;
+	case 2:
+		__put_user_asm(res, *(u16 *)from, (u16 __user *)to, w, d, 2);
+		break;
+	case 3:
+		__constant_copy_to_user_asm(res, to, from, tmp, 3, w, b,);
+		break;
+	case 4:
+		__put_user_asm(res, *(u32 *)from, (u32 __user *)to, l, r, 4);
+		break;
+	case 5:
+		__constant_copy_to_user_asm(res, to, from, tmp, 5, l, b,);
+		break;
+	case 6:
+		__constant_copy_to_user_asm(res, to, from, tmp, 6, l, w,);
+		break;
+	case 7:
+		__constant_copy_to_user_asm(res, to, from, tmp, 7, l, w, b);
+		break;
+	case 8:
+		__constant_copy_to_user_asm(res, to, from, tmp, 8, l, l,);
+		break;
+	case 9:
+		__constant_copy_to_user_asm(res, to, from, tmp, 9, l, l, b);
+		break;
+	case 10:
+		__constant_copy_to_user_asm(res, to, from, tmp, 10, l, l, w);
+		break;
+	case 12:
+		__constant_copy_to_user_asm(res, to, from, tmp, 12, l, l, l);
+		break;
+	default:
+		/* limit the inlined version to 3 moves */
+		return __generic_copy_to_user(to, from, n);
+	}
+
+	return res;
+}
+
+#define __copy_from_user(to, from, n)		\
+(__builtin_constant_p(n) ?			\
+ __constant_copy_from_user(to, from, n) :	\
+ __generic_copy_from_user(to, from, n))
+
+#define __copy_to_user(to, from, n)		\
+(__builtin_constant_p(n) ?			\
+ __constant_copy_to_user(to, from, n) :		\
+ __generic_copy_to_user(to, from, n))
+
+#define __copy_to_user_inatomic		__copy_to_user
+#define __copy_from_user_inatomic	__copy_from_user
+
+#define copy_from_user(to, from, n)	__copy_from_user(to, from, n)
+#define copy_to_user(to, from, n)	__copy_to_user(to, from, n)
+
+long strncpy_from_user(char *dst, const char __user *src, long count);
+long strnlen_user(const char __user *src, long n);
+unsigned long __clear_user(void __user *to, unsigned long n);
+
+#define clear_user __clear_user
+
+#define strlen_user(str) strnlen_user(str, 32767)
+
+#endif /* _M68K_CF_UACCESS_H */
--- /dev/null
+++ b/include/asm-m68k/cfcache.h
@@ -0,0 +1,86 @@
+/*
+ * include/asm-m68k/cfcache.h
+ */
+#ifndef CF_CFCACHE_H
+#define CF_CFCACHE_H
+
+#define CF_CACR_DEC         (0x80000000) /* Data Cache Enable                */
+#define CF_CACR_DW          (0x40000000) /* Data default Write-protect       */
+#define CF_CACR_DESB        (0x20000000) /* Data Enable Store Buffer         */
+#define CF_CACR_DDPI        (0x10000000) /* Data Disable CPUSHL Invalidate   */
+#define CF_CACR_DHLCK       (0x08000000) /* 1/2 Data Cache Lock Mode         */
+#define CF_CACR_DDCM_00     (0x00000000) /* Cacheable writethrough imprecise */
+#define CF_CACR_DDCM_01     (0x02000000) /* Cacheable copyback               */
+#define CF_CACR_DDCM_10     (0x04000000) /* Noncacheable precise             */
+#define CF_CACR_DDCM_11     (0x06000000) /* Noncacheable imprecise           */
+#define CF_CACR_DCINVA      (0x01000000) /* Data Cache Invalidate All        */
+#define CF_CACR_IVO         (0x00100000) /* Invalidate only                  */
+#define CF_CACR_BEC         (0x00080000) /* Branch Cache Enable              */
+#define CF_CACR_BCINVA      (0x00040000) /* Branch Cache Invalidate All      */
+#define CF_CACR_IEC         (0x00008000) /* Instruction Cache Enable         */
+#define CF_CACR_SPA         (0x00004000) /* Search by Physical Address       */
+#define CF_CACR_DNFB        (0x00002000) /* Default cache-inhibited fill buf */
+#define CF_CACR_IDPI        (0x00001000) /* Instr Disable CPUSHL Invalidate  */
+#define CF_CACR_IHLCK       (0x00000800) /* 1/2 Instruction Cache Lock Mode  */
+#define CF_CACR_IDCM        (0x00000400) /* Noncacheable Instr default mode  */
+#define CF_CACR_ICINVA      (0x00000100) /* Instr Cache Invalidate All       */
+#define CF_CACR_EUSP        (0x00000020) /* Switch stacks in user mode       */
+
+#define DCACHE_LINE_SIZE 0x0010     /* bytes per line        */
+#define DCACHE_WAY_SIZE  0x2000     /* words per cache block */
+#define CACHE_DISABLE_MODE (CF_CACR_DCINVA+CF_CACR_BCINVA+CF_CACR_ICINVA)
+#ifdef CONFIG_M5445X_DISABLE_CACHE
+/* disable cache for testing rev0 silicon */
+#define CACHE_INITIAL_MODE (CF_CACR_EUSP)
+#else
+#define CACHE_INITIAL_MODE (CF_CACR_DEC+CF_CACR_BEC+CF_CACR_IEC+CF_CACR_EUSP)
+#endif
+
+#define _DCACHE_SIZE (2*16384)
+#define _ICACHE_SIZE (2*16384)
+
+#define _SET_SHIFT 4
+
+/*
+ * Masks for cache sizes.  Programming note: because the set size is a
+ * power of two, the mask is also the last address in the set.
+ * This may need to be #ifdef for other Coldfire processors.
+ */
+
+#define _DCACHE_SET_MASK ((_DCACHE_SIZE/64-1)<<_SET_SHIFT)
+#define _ICACHE_SET_MASK ((_ICACHE_SIZE/64-1)<<_SET_SHIFT)
+#define LAST_DCACHE_ADDR _DCACHE_SET_MASK
+#define LAST_ICACHE_ADDR _ICACHE_SET_MASK
+
+
+#ifndef __ASSEMBLY__
+
+extern void DcacheFlushInvalidate(void);
+
+extern void DcacheDisable(void);
+extern void DcacheEnable(void);
+
+/******************************************************************************/
+/*** Unimplemented Cache functionality                                      ***/
+/******************************************************************************/
+#define preDcacheInvalidateBlockMark()
+#define postDcacheInvalidateBlockMark()
+#define DcacheZeroBlock(p, l)           fast_bzero((char *)(p), (long)(l))
+#define loadDcacheInvalidateBlock()     ASSERT(!"Not Implemented on V4e")
+#define IcacheInvalidateBlock()         ASSERT(!"Not Implemented on V4e")
+
+/******************************************************************************/
+/*** Redundant Cache functionality on ColdFire                              ***/
+/******************************************************************************/
+#define DcacheInvalidateBlock(p, l) DcacheFlushInvalidateCacheBlock(p, l)
+#define DcacheFlushCacheBlock(p, l) DcacheFlushInvalidateCacheBlock(p, l)
+#define DcacheFlushBlock(p, l)      DcacheFlushInvalidateCacheBlock(p, l)
+
+extern void DcacheFlushInvalidateCacheBlock(void *start, unsigned long size);
+extern void FLASHDcacheFlushInvalidate(void);
+
+extern void cacr_set(unsigned long x);
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* CF_CACHE_H */
--- /dev/null
+++ b/include/asm-m68k/cfmmu.h
@@ -0,0 +1,104 @@
+/*
+ * Definitions for Coldfire V4e MMU
+ */
+#include <asm/movs.h>
+
+#ifndef __CF_MMU_H__
+#define __CF_MMU_H__
+
+
+#define MMU_BASE 0xE1000000
+
+
+#define MMUCR (MMU_BASE+0x00)
+#define MMUCR_ASMN  1
+#define MMUCR_ASM   (1<<MMUCR_ASMN)
+#define MMUCR_ENN   0
+#define MMUCR_EN    (1<<MMUCR_ENN)
+
+#define MMUOR REG16(MMU_BASE+0x04+0x02)
+#define MMUOR_AAN   16
+#define MMUOR_AA    (0xffff<<MMUOR_AAN)
+#define MMUOR_STLBN 8
+#define MMUOR_STLB  (1<<MMUOR_STLBN)
+#define MMUOR_CAN   7
+#define MMUOR_CA    (1<<MMUOR_CAN)
+#define MMUOR_CNLN  6
+#define MMUOR_CNL   (1<<MMUOR_CNLN)
+#define MMUOR_CASN  5
+#define MMUOR_CAS   (1<<MMUOR_CASN)
+#define MMUOR_ITLBN 4
+#define MMUOR_ITLB  (1<<MMUOR_ITLBN)
+#define MMUOR_ADRN  3
+#define MMUOR_ADR   (1<<MMUOR_ADRN)
+#define MMUOR_RWN   2
+#define MMUOR_RW    (1<<MMUOR_RWN)
+#define MMUOR_ACCN  1
+#define MMUOR_ACC   (1<<MMUOR_ACCN)
+#define MMUOR_UAAN  0
+#define MMUOR_UAA   (1<<MMUOR_UAAN)
+
+#define MMUSR REG32(MMU_BASE+0x08)
+#define MMUSR_SPFN  5
+#define MMUSR_SPF   (1<<MMUSR_SPFN)
+#define MMUSR_RFN   4
+#define MMUSR_RF    (1<<MMUSR_RFN)
+#define MMUSR_WFN   3
+#define MMUSR_WF    (1<<MMUSR_WFN)
+#define MMUSR_HITN  1
+#define MMUSR_HIT   (1<<MMUSR_HITN)
+
+#define MMUAR REG32(MMU_BASE+0x10)
+#define MMUAR_VPN   1
+#define MMUAR_VP    (0xfffffffe)
+#define MMUAR_SN    0
+#define MMUAR_S     (1<<MMUAR_SN)
+
+#define MMUTR REG32(MMU_BASE+0x14)
+#define MMUTR_VAN   10
+#define MMUTR_VA    (0xfffffc00)
+#define MMUTR_IDN   2
+#define MMUTR_ID    (0xff<<MMUTR_IDN)
+#define MMUTR_SGN   1
+#define MMUTR_SG    (1<<MMUTR_SGN)
+#define MMUTR_VN    0
+#define MMUTR_V     (1<<MMUTR_VN)
+
+#define MMUDR REG32(MMU_BASE+0x18)
+#define MMUDR_PAN   10
+#define MMUDR_PA    (0xfffffc00)
+#define MMUDR_SZN   8
+#define MMUDR_SZ_MASK (0x2<<MMUDR_SZN)
+#define MMUDR_SZ1M  (0<<MMUDR_SZN)
+#define MMUDR_SZ4K  (1<<MMUDR_SZN)
+#define MMUDR_SZ8K  (2<<MMUDR_SZN)
+#define MMUDR_SZ16M (3<<MMUDR_SZN)
+#define MMUDR_CMN   6
+#define MMUDR_INC   (2<<MMUDR_CMN)
+#define MMUDR_IC    (0<<MMUDR_CMN)
+#define MMUDR_DWT   (0<<MMUDR_CMN)
+#define MMUDR_DCB   (1<<MMUDR_CMN)
+#define MMUDR_DNCP  (2<<MMUDR_CMN)
+#define MMUDR_DNCIP (3<<MMUDR_CMN)
+#define MMUDR_SPN   5
+#define MMUDR_SP    (1<<MMUDR_SPN)
+#define MMUDR_RN    4
+#define MMUDR_R     (1<<MMUDR_RN)
+#define MMUDR_WN    3
+#define MMUDR_W     (1<<MMUDR_WN)
+#define MMUDR_XN    2
+#define MMUDR_X     (1<<MMUDR_XN)
+#define MMUDR_LKN   1
+#define MMUDR_LK    (1<<MMUDR_LKN)
+
+
+#ifndef __ASSEMBLY__
+#define CF_PMEGS_NUM		256
+#define CF_INVALID_CONTEXT 	255
+#define CF_PAGE_PGNUM_MASK 	(PAGE_MASK)
+
+extern int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb,
+		       int extension_word);
+#endif /* __ASSEMBLY__*/
+
+#endif	/* !__CF_MMU_H__ */
--- /dev/null
+++ b/include/asm-m68k/coldfire.h
@@ -0,0 +1,38 @@
+#ifndef _COLDFIRE_H_
+#define _COLDFIRE_H_
+
+#define MCF_MBAR	0x0
+#define MCF_RAMBAR1 	0x40000000
+#define MCF_SRAM	0x80000000
+#define MCF_CLK     	CONFIG_MCFCLK
+#define MCF_BUSCLK	(CONFIG_MCFCLK/2)
+
+#ifdef __ASSEMBLY__
+#define REG32
+#define REG16
+#define REG08
+#else  /* __ASSEMBLY__ */
+#define REG32(x) ((volatile unsigned long  *)(x))
+#define REG16(x) ((volatile unsigned short *)(x))
+#define REG08(x) ((volatile unsigned char  *)(x))
+
+#define MCF_REG32(x) *(volatile unsigned long  *)(MCF_MBAR+(x))
+#define MCF_REG16(x) *(volatile unsigned short *)(MCF_MBAR+(x))
+#define MCF_REG08(x) *(volatile unsigned char  *)(MCF_MBAR+(x))
+
+void cacr_set(unsigned long);
+unsigned long cacr_get(void);
+
+#define coldfire_enable_irq0(irq)	MCF_INTC0_CIMR = (irq);
+
+#define coldfire_enable_irq1(irq)	MCF_INTC1_CIMR = (irq);
+
+#define coldfire_disable_irq0(irq)	MCF_INTC0_SIMR = (irq);
+
+#define coldfire_disable_irq1(irq)	MCF_INTC1_SIMR = (irq);
+
+#define getiprh()			MCF_INTC0_IPRH
+
+#endif /* __ASSEMBLY__ */
+
+#endif  /* _COLDFIRE_H_  */
--- /dev/null
+++ b/include/asm-m68k/coldfire_edma.h
@@ -0,0 +1,39 @@
+#ifndef _LINUX_COLDFIRE_DMA_H
+#define _LINUX_COLDFIRE_DMA_H
+
+#include <linux/interrupt.h>
+
+#define EDMA_DRIVER_NAME 		"ColdFire-eDMA"
+#define DMA_DEV_MINOR 			1
+
+#define EDMA_INT_CHANNEL_BASE 		8
+#define EDMA_INT_CONTROLLER_BASE 	64
+#define EDMA_CHANNELS			16
+
+#define EDMA_IRQ_LEVEL			5
+
+typedef irqreturn_t (*edma_irq_handler)(int, void *);
+typedef void (*edma_error_handler)(int, void *);
+
+void set_edma_params(int channel, u32 source, u32 dest,
+	u32 attr, u32 soff, u32 nbytes, u32 slast,
+	u32 citer, u32 biter, u32 doff, u32 dlast_sga);
+
+void start_edma_transfer(int channel, int major_int);
+
+void stop_edma_transfer(int channel);
+
+void confirm_edma_interrupt_handled(int channel);
+
+void init_edma(void);
+
+int  request_edma_channel(int channel,
+			edma_irq_handler handler,
+			edma_error_handler error_handler,
+			void *dev,
+			spinlock_t *lock,
+			const char *device_id);
+
+int free_edma_channel(int channel, void *dev);
+
+#endif
--- /dev/null
+++ b/include/asm-m68k/mcfqspi.h
@@ -0,0 +1,50 @@
+/****************************************************************************/
+/*
+ *	mcfqspi.h - Master QSPI controller for the ColdFire processors
+ *
+ *	(C) Copyright 2005, Intec Automation,
+ *			    Mike Lavender (mike@steroidmicros)
+ *
+
+     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.
+
+     This program is distributed in the hope that it will be useful,
+     but WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+     GNU General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with this program; if not, write to the Free Software
+     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.		     */
+/* ------------------------------------------------------------------------- */
+
+#ifndef MCFQSPI_H_
+#define MCFQSPI_H_
+
+#define QSPI_CS_INIT     0x01
+#define QSPI_CS_ASSERT	 0x02
+#define QSPI_CS_DROP	 0x04
+
+struct coldfire_spi_master {
+	u16 bus_num;
+	u16 num_chipselect;
+	u8  irq_source;
+	u32 irq_vector;
+	u32 irq_mask;
+	u8  irq_lp;
+	u8  par_val;
+	void (*cs_control)(u8 cs, u8 command);
+};
+
+
+struct coldfire_spi_chip {
+	u8 mode;
+	u8 bits_per_word;
+	u8 del_cs_to_clk;
+	u8 del_after_trans;
+	u16 void_write_data;
+};
+#endif /*MCFQSPI_H_*/
--- /dev/null
+++ b/include/asm-m68k/mcfsim.h
@@ -0,0 +1,96 @@
+/*
+ *	mcfsim.h -- ColdFire System Integration Module support.
+ *
+ *	(C) Copyright 1999-2003, Greg Ungerer ([email protected])
+ * 	(C) Copyright 2000, Lineo Inc. (www.lineo.com)
+ */
+
+#ifndef	mcfsim_h
+#define	mcfsim_h
+
+#if defined(CONFIG_COLDFIRE)
+#include <asm/coldfire.h>
+#endif
+
+#if defined(CONFIG_M54455)
+#include <asm/mcf5445x_intc.h>
+#include <asm/mcf5445x_gpio.h>
+#include <asm/mcf5445x_i2c.h>
+#include <asm/mcf5445x_ccm.h>
+#include <asm/mcf5445x_pci.h>
+#include <asm/mcf5445x_pciarb.h>
+#include <asm/mcf5445x_eport.h>
+#endif
+
+/*
+ *	Define the base address of the SIM within the MBAR address space.
+ */
+#define	MCFSIM_BASE		0x0		/* Base address of SIM */
+
+/*
+ *	Bit definitions for the ICR family of registers.
+ */
+#define	MCFSIM_ICR_AUTOVEC	0x80		/* Auto-vectored intr */
+#define	MCFSIM_ICR_LEVEL0	0x00		/* Level 0 intr */
+#define	MCFSIM_ICR_LEVEL1	0x04		/* Level 1 intr */
+#define	MCFSIM_ICR_LEVEL2	0x08		/* Level 2 intr */
+#define	MCFSIM_ICR_LEVEL3	0x0c		/* Level 3 intr */
+#define	MCFSIM_ICR_LEVEL4	0x10		/* Level 4 intr */
+#define	MCFSIM_ICR_LEVEL5	0x14		/* Level 5 intr */
+#define	MCFSIM_ICR_LEVEL6	0x18		/* Level 6 intr */
+#define	MCFSIM_ICR_LEVEL7	0x1c		/* Level 7 intr */
+
+#define	MCFSIM_ICR_PRI0		0x00		/* Priority 0 intr */
+#define	MCFSIM_ICR_PRI1		0x01		/* Priority 1 intr */
+#define	MCFSIM_ICR_PRI2		0x02		/* Priority 2 intr */
+#define	MCFSIM_ICR_PRI3		0x03		/* Priority 3 intr */
+
+/*
+ *	Bit definitions for the Interrupt Mask register (IMR).
+ */
+#define	MCFSIM_IMR_EINT1	0x0002		/* External intr # 1 */
+#define	MCFSIM_IMR_EINT2	0x0004		/* External intr # 2 */
+#define	MCFSIM_IMR_EINT3	0x0008		/* External intr # 3 */
+#define	MCFSIM_IMR_EINT4	0x0010		/* External intr # 4 */
+#define	MCFSIM_IMR_EINT5	0x0020		/* External intr # 5 */
+#define	MCFSIM_IMR_EINT6	0x0040		/* External intr # 6 */
+#define	MCFSIM_IMR_EINT7	0x0080		/* External intr # 7 */
+
+#define	MCFSIM_IMR_SWD		0x0100		/* Software Watchdog intr */
+#define	MCFSIM_IMR_TIMER1	0x0200		/* TIMER 1 intr */
+#define	MCFSIM_IMR_TIMER2	0x0400		/* TIMER 2 intr */
+#define MCFSIM_IMR_MBUS		0x0800		/* MBUS intr	*/
+#define	MCFSIM_IMR_UART1	0x1000		/* UART 1 intr */
+#define	MCFSIM_IMR_UART2	0x2000		/* UART 2 intr */
+
+/*
+ *	Mask for all of the SIM devices. Some parts have more or less
+ *	SIM devices. This is a catchall for the sandard set.
+ */
+#ifndef MCFSIM_IMR_MASKALL
+#define	MCFSIM_IMR_MASKALL	0x3ffe		/* All intr sources */
+#endif
+
+
+/*
+ *	PIT interrupt settings, if not found in mXXXXsim.h file.
+ */
+#ifndef	ICR_INTRCONF
+#define	ICR_INTRCONF		0x2b            /* PIT1 level 5, priority 3 */
+#endif
+#ifndef	MCFPIT_IMR
+#define	MCFPIT_IMR		MCFINTC_IMRH
+#endif
+#ifndef	MCFPIT_IMR_IBIT
+#define	MCFPIT_IMR_IBIT		(1 << (MCFINT_PIT1 - 32))
+#endif
+
+
+#ifndef __ASSEMBLY__
+/*
+ *	Definition for the interrupt auto-vectoring support.
+ */
+extern void	mcf_autovector(unsigned int vec);
+#endif /* __ASSEMBLY__ */
+
+#endif	/* mcfsim_h */
--- /dev/null
+++ b/include/asm-m68k/mcfuart.h
@@ -0,0 +1,180 @@
+/*
+ *	mcfuart.h -- ColdFire internal UART support defines.
+ *
+ *	Matt Waddel [email protected]
+ *	Copyright Freescale Semiconductor, Inc. 2007
+ *
+ *	Derived from m68knommu version of this same file (Greg Ungerer & Lineo).
+ *
+ */
+
+#ifndef	mcfuart_h
+#define	mcfuart_h
+
+/*
+ *	Define the base address of the UARTS within the MBAR address
+ *	space.
+ */
+#if defined(CONFIG_M54455)
+#include <asm/mcf5445x_intc.h>
+#define MCFUART_BASE1		0xfc060000	/* Base address of UART1 */
+#define MCFUART_BASE2		0xfc064000	/* Base address of UART2 */
+#define MCFUART_BASE3		0xfc068000	/* Base address of UART3 */
+#define MCFINT_VECBASE		64
+#define MCFINT_UART0		26
+#endif
+
+
+/*
+ *	Define the ColdFire UART register set addresses.
+ */
+#define	MCFUART_UMR		0x00		/* Mode register (r/w) */
+#define	MCFUART_USR		0x04		/* Status register (r) */
+#define	MCFUART_UCSR		0x04		/* Clock Select (w) */
+#define	MCFUART_UCR		0x08		/* Command register (w) */
+#define	MCFUART_URB		0x0c		/* Receiver Buffer (r) */
+#define	MCFUART_UTB		0x0c		/* Transmit Buffer (w) */
+#define	MCFUART_UIPCR		0x10		/* Input Port Change (r) */
+#define	MCFUART_UACR		0x10		/* Auxiliary Control (w) */
+#define	MCFUART_UISR		0x14		/* Interrup Status (r) */
+#define	MCFUART_UIMR		0x14		/* Interrupt Mask (w) */
+#define	MCFUART_UBG1		0x18		/* Baud Rate MSB (r/w) */
+#define	MCFUART_UBG2		0x1c		/* Baud Rate LSB (r/w) */
+#ifdef	CONFIG_M5272
+#define	MCFUART_UTF		0x28		/* Transmitter FIFO (r/w) */
+#define	MCFUART_URF		0x2c		/* Receiver FIFO (r/w) */
+#define	MCFUART_UFPD		0x30		/* Frac Prec. Divider (r/w) */
+#else
+#define	MCFUART_UIVR		0x30		/* Interrupt Vector (r/w) */
+#endif
+#define	MCFUART_UIPR		0x34		/* Input Port (r) */
+#define	MCFUART_UOP1		0x38		/* Output Port Bit Set (w) */
+#define	MCFUART_UOP0		0x3c		/* Output Port Bit Reset (w) */
+
+
+/*
+ *	Define bit flags in Mode Register 1 (MR1).
+ */
+#define	MCFUART_MR1_RXRTS	0x80		/* Auto RTS flow control */
+#define	MCFUART_MR1_RXIRQFULL	0x40		/* RX IRQ type FULL */
+#define	MCFUART_MR1_RXIRQRDY	0x00		/* RX IRQ type RDY */
+#define	MCFUART_MR1_RXERRBLOCK	0x20		/* RX block error mode */
+#define	MCFUART_MR1_RXERRCHAR	0x00		/* RX char error mode */
+
+#define	MCFUART_MR1_PARITYNONE	0x10		/* No parity */
+#define	MCFUART_MR1_PARITYEVEN	0x00		/* Even parity */
+#define	MCFUART_MR1_PARITYODD	0x04		/* Odd parity */
+#define	MCFUART_MR1_PARITYSPACE	0x08		/* Space parity */
+#define	MCFUART_MR1_PARITYMARK	0x0c		/* Mark parity */
+
+#define	MCFUART_MR1_CS5		0x00		/* 5 bits per char */
+#define	MCFUART_MR1_CS6		0x01		/* 6 bits per char */
+#define	MCFUART_MR1_CS7		0x02		/* 7 bits per char */
+#define	MCFUART_MR1_CS8		0x03		/* 8 bits per char */
+
+/*
+ *	Define bit flags in Mode Register 2 (MR2).
+ */
+#define	MCFUART_MR2_LOOPBACK	0x80		/* Loopback mode */
+#define	MCFUART_MR2_REMOTELOOP	0xc0		/* Remote loopback mode */
+#define	MCFUART_MR2_AUTOECHO	0x40		/* Automatic echo */
+#define	MCFUART_MR2_TXRTS	0x20		/* Assert RTS on TX */
+#define	MCFUART_MR2_TXCTS	0x10		/* Auto CTS flow control */
+
+#define	MCFUART_MR2_STOP1	0x07		/* 1 stop bit */
+#define	MCFUART_MR2_STOP15	0x08		/* 1.5 stop bits */
+#define	MCFUART_MR2_STOP2	0x0f		/* 2 stop bits */
+
+/*
+ *	Define bit flags in Status Register (USR).
+ */
+#define	MCFUART_USR_RXBREAK	0x80		/* Received BREAK */
+#define	MCFUART_USR_RXFRAMING	0x40		/* Received framing error */
+#define	MCFUART_USR_RXPARITY	0x20		/* Received parity error */
+#define	MCFUART_USR_RXOVERRUN	0x10		/* Received overrun error */
+#define	MCFUART_USR_TXEMPTY	0x08		/* Transmitter empty */
+#define	MCFUART_USR_TXREADY	0x04		/* Transmitter ready */
+#define	MCFUART_USR_RXFULL	0x02		/* Receiver full */
+#define	MCFUART_USR_RXREADY	0x01		/* Receiver ready */
+
+#define	MCFUART_USR_RXERR	(MCFUART_USR_RXBREAK | MCFUART_USR_RXFRAMING | \
+				MCFUART_USR_RXPARITY | MCFUART_USR_RXOVERRUN)
+
+/*
+ *	Define bit flags in Clock Select Register (UCSR).
+ */
+#define	MCFUART_UCSR_RXCLKTIMER	0xd0		/* RX clock is timer */
+#define	MCFUART_UCSR_RXCLKEXT16	0xe0		/* RX clock is external x16 */
+#define	MCFUART_UCSR_RXCLKEXT1	0xf0		/* RX clock is external x1 */
+
+#define	MCFUART_UCSR_TXCLKTIMER	0x0d		/* TX clock is timer */
+#define	MCFUART_UCSR_TXCLKEXT16	0x0e		/* TX clock is external x16 */
+#define	MCFUART_UCSR_TXCLKEXT1	0x0f		/* TX clock is external x1 */
+
+/*
+ *	Define bit flags in Command Register (UCR).
+ */
+#define	MCFUART_UCR_CMDNULL		0x00	/* No command */
+#define	MCFUART_UCR_CMDRESETMRPTR	0x10	/* Reset MR pointer */
+#define	MCFUART_UCR_CMDRESETRX		0x20	/* Reset receiver */
+#define	MCFUART_UCR_CMDRESETTX		0x30	/* Reset transmitter */
+#define	MCFUART_UCR_CMDRESETERR		0x40	/* Reset error status */
+#define	MCFUART_UCR_CMDRESETBREAK	0x50	/* Reset BREAK change */
+#define	MCFUART_UCR_CMDBREAKSTART	0x60	/* Start BREAK */
+#define	MCFUART_UCR_CMDBREAKSTOP	0x70	/* Stop BREAK */
+
+#define	MCFUART_UCR_TXNULL	0x00		/* No TX command */
+#define	MCFUART_UCR_TXENABLE	0x04		/* Enable TX */
+#define	MCFUART_UCR_TXDISABLE	0x08		/* Disable TX */
+#define	MCFUART_UCR_RXNULL	0x00		/* No RX command */
+#define	MCFUART_UCR_RXENABLE	0x01		/* Enable RX */
+#define	MCFUART_UCR_RXDISABLE	0x02		/* Disable RX */
+
+/*
+ *	Define bit flags in Input Port Change Register (UIPCR).
+ */
+#define	MCFUART_UIPCR_CTSCOS	0x10		/* CTS change of state */
+#define	MCFUART_UIPCR_CTS	0x01		/* CTS value */
+
+/*
+ *	Define bit flags in Input Port Register (UIP).
+ */
+#define	MCFUART_UIPR_CTS	0x01		/* CTS value */
+
+/*
+ *	Define bit flags in Output Port Registers (UOP).
+ *	Clear bit by writing to UOP0, set by writing to UOP1.
+ */
+#define	MCFUART_UOP_RTS		0x01		/* RTS set or clear */
+
+/*
+ *	Define bit flags in the Auxiliary Control Register (UACR).
+ */
+#define	MCFUART_UACR_IEC	0x01		/* Input enable control */
+
+/*
+ *	Define bit flags in Interrupt Status Register (UISR).
+ *	These same bits are used for the Interrupt Mask Register (UIMR).
+ */
+#define	MCFUART_UIR_COS		0x80		/* Change of state (CTS) */
+#define	MCFUART_UIR_DELTABREAK	0x04		/* Break start or stop */
+#define	MCFUART_UIR_RXREADY	0x02		/* Receiver ready */
+#define	MCFUART_UIR_TXREADY	0x01		/* Transmitter ready */
+
+#ifdef	CONFIG_M5272
+/*
+ *	Define bit flags in the Transmitter FIFO Register (UTF).
+ */
+#define	MCFUART_UTF_TXB		0x1f		/* Transmitter data level */
+#define	MCFUART_UTF_FULL	0x20		/* Transmitter fifo full */
+#define	MCFUART_UTF_TXS		0xc0		/* Transmitter status */
+
+/*
+ *	Define bit flags in the Receiver FIFO Register (URF).
+ */
+#define	MCFUART_URF_RXB		0x1f		/* Receiver data level */
+#define	MCFUART_URF_FULL	0x20		/* Receiver fifo full */
+#define	MCFUART_URF_RXS		0xc0		/* Receiver status */
+#endif
+
+#endif	/* mcfuart_h */