remove the v850 port

[sfrench/cifs-2.6.git] / arch / v850 / kernel / v850e2_cache.c

diff --git a/arch/v850/kernel/v850e2_cache.c b/arch/v850/kernel/v850e2_cache.c
deleted file mode 100644 (file)
index 4570312..0000000
--- a/arch/v850/kernel/v850e2_cache.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * arch/v850/kernel/v850e2_cache.c -- Cache control for V850E2 cache
- *     memories
- *
- *  Copyright (C) 2003  NEC Electronics Corporation
- *  Copyright (C) 2003  Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License.  See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/mm.h>
-
-#include <asm/v850e2_cache.h>
-
-/* Cache operations we can do.  The encoding corresponds directly to the
-   value we need to write into the COPR register.  */
-enum cache_op {
-       OP_SYNC_IF_DIRTY           = V850E2_CACHE_COPR_CFC(0), /* 000 */
-       OP_SYNC_IF_VALID           = V850E2_CACHE_COPR_CFC(1), /* 001 */
-       OP_SYNC_IF_VALID_AND_CLEAR = V850E2_CACHE_COPR_CFC(3), /* 011 */
-       OP_WAY_CLEAR               = V850E2_CACHE_COPR_CFC(4), /* 100 */
-       OP_FILL                    = V850E2_CACHE_COPR_CFC(5), /* 101 */
-       OP_CLEAR                   = V850E2_CACHE_COPR_CFC(6), /* 110 */
-       OP_CREATE_DIRTY            = V850E2_CACHE_COPR_CFC(7)  /* 111 */
-};
-
-/* Which cache to use.  This encoding also corresponds directly to the
-   value we need to write into the COPR register. */
-enum cache {
-       ICACHE = 0,
-       DCACHE = V850E2_CACHE_COPR_LBSL
-};
-
-/* Returns ADDR rounded down to the beginning of its cache-line.  */
-#define CACHE_LINE_ADDR(addr)  \
-   ((addr) & ~(V850E2_CACHE_LINE_SIZE - 1))
-/* Returns END_ADDR rounded up to the `limit' of its cache-line.  */
-#define CACHE_LINE_END_ADDR(end_addr)  \
-   CACHE_LINE_ADDR(end_addr + (V850E2_CACHE_LINE_SIZE - 1))
-
-\f
-/* Low-level cache ops.  */
-
-/* Apply cache-op OP to all entries in CACHE.  */
-static inline void cache_op_all (enum cache_op op, enum cache cache)
-{
-       int cmd = op | cache | V850E2_CACHE_COPR_WSLE | V850E2_CACHE_COPR_STRT;
-
-       if (op != OP_WAY_CLEAR) {
-               /* The WAY_CLEAR operation does the whole way, but other
-                  ops take begin-index and count params; we just indicate
-                  the entire cache.  */
-               V850E2_CACHE_CADL = 0;
-               V850E2_CACHE_CADH = 0;
-               V850E2_CACHE_CCNT = V850E2_CACHE_WAY_SIZE - 1;
-       }
-
-       V850E2_CACHE_COPR = cmd | V850E2_CACHE_COPR_WSL(0); /* way 0 */
-       V850E2_CACHE_COPR = cmd | V850E2_CACHE_COPR_WSL(1); /* way 1 */
-       V850E2_CACHE_COPR = cmd | V850E2_CACHE_COPR_WSL(2); /* way 2 */
-       V850E2_CACHE_COPR = cmd | V850E2_CACHE_COPR_WSL(3); /* way 3 */
-}
-
-/* Apply cache-op OP to all entries in CACHE covering addresses ADDR
-   through ADDR+LEN.  */
-static inline void cache_op_range (enum cache_op op, u32 addr, u32 len,
-                                  enum cache cache)
-{
-       u32 start = CACHE_LINE_ADDR (addr);
-       u32 end = CACHE_LINE_END_ADDR (addr + len);
-       u32 num_lines = (end - start) >> V850E2_CACHE_LINE_SIZE_BITS;
-
-       V850E2_CACHE_CADL = start & 0xFFFF;
-       V850E2_CACHE_CADH = start >> 16;
-       V850E2_CACHE_CCNT = num_lines - 1;
-
-       V850E2_CACHE_COPR = op | cache | V850E2_CACHE_COPR_STRT;
-}
-
-\f
-/* High-level ops.  */
-
-static void cache_exec_after_store_all (void)
-{
-       cache_op_all (OP_SYNC_IF_DIRTY, DCACHE);
-       cache_op_all (OP_WAY_CLEAR, ICACHE);
-}
-
-static void cache_exec_after_store_range (u32 start, u32 len)
-{
-       cache_op_range (OP_SYNC_IF_DIRTY, start, len, DCACHE);
-       cache_op_range (OP_CLEAR, start, len, ICACHE);
-}
-
-\f
-/* Exported functions.  */
-
-void flush_icache (void)
-{
-       cache_exec_after_store_all ();
-}
-
-void flush_icache_range (unsigned long start, unsigned long end)
-{
-       cache_exec_after_store_range (start, end - start);
-}
-
-void flush_icache_page (struct vm_area_struct *vma, struct page *page)
-{
-       cache_exec_after_store_range (page_to_virt (page), PAGE_SIZE);
-}
-
-void flush_icache_user_range (struct vm_area_struct *vma, struct page *page,
-                             unsigned long addr, int len)
-{
-       cache_exec_after_store_range (addr, len);
-}
-
-void flush_cache_sigtramp (unsigned long addr)
-{
-       /* For the exact size, see signal.c, but 16 bytes should be enough.  */
-       cache_exec_after_store_range (addr, 16);
-}