2 * Copyright (C) 2011 Andes Technology Corporation
3 * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
4 * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29 int icache_status(void);
30 void icache_enable(void);
31 void icache_disable(void);
32 int dcache_status(void);
33 void dcache_enable(void);
34 void dcache_disable(void);
36 #define DEFINE_GET_SYS_REG(reg) \
37 static inline unsigned long GET_##reg(void) \
41 "mfsr %0, $"#reg : "=&r" (val) : : "memory" \
46 enum cache_t {ICACHE, DCACHE};
47 DEFINE_GET_SYS_REG(ICM_CFG);
48 DEFINE_GET_SYS_REG(DCM_CFG);
49 #define ICM_CFG_OFF_ISZ 6 /* I-cache line size */
50 #define ICM_CFG_MSK_ISZ (0x7UL << ICM_CFG_OFF_ISZ)
51 #define DCM_CFG_OFF_DSZ 6 /* D-cache line size */
52 #define DCM_CFG_MSK_DSZ (0x7UL << DCM_CFG_OFF_DSZ)
54 #endif /* _ASM_CACHE_H */