]> git.sur5r.net Git - u-boot/blobdiff - cpu/sh4/cache.c
sh: Move cpu/$CPU to arch/sh/cpu/$CPU
[u-boot] / cpu / sh4 / cache.c
diff --git a/cpu/sh4/cache.c b/cpu/sh4/cache.c
deleted file mode 100644 (file)
index 377005c..0000000
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * (C) Copyright 2007
- * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <command.h>
-#include <asm/processor.h>
-#include <asm/io.h>
-
-/*
- * Jump to P2 area.
- * When handling TLB or caches, we need to do it from P2 area.
- */
-#define jump_to_P2()                   \
-  do {                                 \
-    unsigned long __dummy;             \
-    __asm__ __volatile__(              \
-               "mov.l  1f, %0\n\t"     \
-               "or     %1, %0\n\t"     \
-               "jmp    @%0\n\t"        \
-               " nop\n\t"              \
-               ".balign 4\n"           \
-               "1:     .long 2f\n"     \
-               "2:"                    \
-               : "=&r" (__dummy)       \
-               : "r" (0x20000000));    \
-  } while (0)
-
-/*
- * Back to P1 area.
- */
-#define back_to_P1()                                   \
-  do {                                                 \
-    unsigned long __dummy;                             \
-    __asm__ __volatile__(                              \
-               "nop;nop;nop;nop;nop;nop;nop\n\t"       \
-               "mov.l  1f, %0\n\t"                     \
-               "jmp    @%0\n\t"                        \
-               " nop\n\t"                              \
-               ".balign 4\n"                           \
-               "1:     .long 2f\n"                     \
-               "2:"                                    \
-               : "=&r" (__dummy));                     \
-  } while (0)
-
-#define CACHE_VALID       1
-#define CACHE_UPDATED     2
-
-static inline void cache_wback_all(void)
-{
-       unsigned long addr, data, i, j;
-
-       jump_to_P2();
-       for (i = 0; i < CACHE_OC_NUM_ENTRIES; i++){
-               for (j = 0; j < CACHE_OC_NUM_WAYS; j++) {
-                       addr = CACHE_OC_ADDRESS_ARRAY | (j << CACHE_OC_WAY_SHIFT)
-                               | (i << CACHE_OC_ENTRY_SHIFT);
-                       data = inl(addr);
-                       if (data & CACHE_UPDATED) {
-                               data &= ~CACHE_UPDATED;
-                               outl(data, addr);
-                       }
-               }
-       }
-       back_to_P1();
-}
-
-
-#define CACHE_ENABLE      0
-#define CACHE_DISABLE     1
-
-int cache_control(unsigned int cmd)
-{
-       unsigned long ccr;
-
-       jump_to_P2();
-       ccr = inl(CCR);
-
-       if (ccr & CCR_CACHE_ENABLE)
-               cache_wback_all();
-
-       if (cmd == CACHE_DISABLE)
-               outl(CCR_CACHE_STOP, CCR);
-       else
-               outl(CCR_CACHE_INIT, CCR);
-       back_to_P1();
-
-       return 0;
-}