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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-05-24 01:13:01 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-05-24 01:13:01 -0700 |
| commit | e644dae645e167d154c0526358940986682a72b0 (patch) | |
| tree | 972993c6568085b8d407fc7e13de10f4b93c651d /arch/m32r/include/asm/dcache_clear.h | |
| parent | 899c612d74d4a242158a4db20367388d6299c028 (diff) | |
| parent | 86809173ce32ef03bd4d0389dfc72df0c805e9c4 (diff) | |
Merge branch 'next' into for-linus
Diffstat (limited to 'arch/m32r/include/asm/dcache_clear.h')
| -rw-r--r-- | arch/m32r/include/asm/dcache_clear.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/m32r/include/asm/dcache_clear.h b/arch/m32r/include/asm/dcache_clear.h new file mode 100644 index 00000000000..a0ae06c2e9e --- /dev/null +++ b/arch/m32r/include/asm/dcache_clear.h @@ -0,0 +1,29 @@ +/* + * 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. + * + * Copyright (C) 2001 Hiroyuki Kondo, Hirokazu Takata, and Hitoshi Yamamoto + * Copyright (C) 2004, 2006 Hirokazu Takata <takata at linux-m32r.org> + */ +#ifndef _ASM_M32R_DCACHE_CLEAR_H +#define _ASM_M32R_DCACHE_CLEAR_H + +#ifdef CONFIG_CHIP_M32700_TS1 +#define DCACHE_CLEAR(reg0, reg1, addr) \ + "seth "reg1", #high(dcache_dummy); \n\t" \ + "or3 "reg1", "reg1", #low(dcache_dummy); \n\t" \ + "lock "reg0", @"reg1"; \n\t" \ + "add3 "reg0", "addr", #0x1000; \n\t" \ + "ld "reg0", @"reg0"; \n\t" \ + "add3 "reg0", "addr", #0x2000; \n\t" \ + "ld "reg0", @"reg0"; \n\t" \ + "unlock "reg0", @"reg1"; \n\t" + /* FIXME: This workaround code cannot handle kernel modules + * correctly under SMP environment. + */ +#else /* CONFIG_CHIP_M32700_TS1 */ +#define DCACHE_CLEAR(reg0, reg1, addr) +#endif /* CONFIG_CHIP_M32700_TS1 */ + +#endif /* _ASM_M32R_DCACHE_CLEAR_H */ |