diff options
Diffstat (limited to 'target/linux/coldfire/patches/003-mcfv4e_coldfire_headers2.patch')
| -rw-r--r-- | target/linux/coldfire/patches/003-mcfv4e_coldfire_headers2.patch | 1865 |
1 files changed, 0 insertions, 1865 deletions
diff --git a/target/linux/coldfire/patches/003-mcfv4e_coldfire_headers2.patch b/target/linux/coldfire/patches/003-mcfv4e_coldfire_headers2.patch deleted file mode 100644 index 473cebcf7c..0000000000 --- a/target/linux/coldfire/patches/003-mcfv4e_coldfire_headers2.patch +++ /dev/null @@ -1,1865 +0,0 @@ -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 */ |