summaryrefslogtreecommitdiff
path: root/arch/sh
diff options
context:
space:
mode:
authorMasahiro Yamada <yamada.m@jp.panasonic.com>2014-03-31 13:09:13 +0900
committerNobuhiro Iwamatsu <iwamatsu@nigauri.org>2014-04-30 07:18:21 +0900
commit994b56616bae5bb3fab7122c0aeb346afbb12523 (patch)
treedf5824966eec1bf8a39a353659ee3a0baa63baf4 /arch/sh
parent8854070784450f7ade382c5792b2721fbe27315a (diff)
sh: delete an unused source file
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Acked-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/cpu/sh2/cache.c96
1 files changed, 0 insertions, 96 deletions
diff --git a/arch/sh/cpu/sh2/cache.c b/arch/sh/cpu/sh2/cache.c
deleted file mode 100644
index 8093e98e2aa..00000000000
--- a/arch/sh/cpu/sh2/cache.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * (C) Copyright 2007
- * Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
- *
- * Copyright (C) 2007, 2008 Nobobuhiro Iwamatsu <iwamatsu@nigauri.org>
- * Copyright (C) 2008 Renesas Solutions Corp.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#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;
-}