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| author | David S. Miller <davem@davemloft.net> | 2012-04-13 13:32:07 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-04-13 13:32:07 -0700 |
| commit | 3423166fdbc2444bf3a4a27af1d7508364a17be7 (patch) | |
| tree | 0a42bd5fbe6bcca79802bf1ec5af6acf12aadd82 /arch/m32r/include/asm/dcache_clear.h | |
| parent | e9b57cca3dbdc7a0b90514af8bf613baf97105a5 (diff) | |
| parent | 7d93101fc71ec47c7cc66ac99f76ef795c5207aa (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
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 000000000000..a0ae06c2e9e7 --- /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 */ |