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openwrt-xburst/target/linux/coldfire/patches/003-mcfv4e_coldfire_headers2.patch
kaloz 343c185b7d use broken-out patches for the coldfire to make it easier to follow differences against the bsp 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16547 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-06-23 21:04:37 +00:00

1866 lines
55 KiB
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From 3da86cd2810e9ba4e4a9e7471a92025172c1c990 Mon Sep 17 00:00:00 2001
From: Kurt Mahan <kmahan@freescale.com>
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 <kmahan@freescale.com>
---
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 (gerg@snapgear.com)
+ * (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 Matt.Waddel@freescale.com
+ * 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 */
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