55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/*
|
|
* Copyright (C) 2011 Andes Technology Corporation
|
|
* Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
|
|
* Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#ifndef _ASM_CACHE_H
|
|
#define _ASM_CACHE_H
|
|
|
|
/* cache */
|
|
int icache_status(void);
|
|
void icache_enable(void);
|
|
void icache_disable(void);
|
|
int dcache_status(void);
|
|
void dcache_enable(void);
|
|
void dcache_disable(void);
|
|
|
|
#define DEFINE_GET_SYS_REG(reg) \
|
|
static inline unsigned long GET_##reg(void) \
|
|
{ \
|
|
unsigned long val; \
|
|
__asm__ volatile ( \
|
|
"mfsr %0, $"#reg : "=&r" (val) : : "memory" \
|
|
); \
|
|
return val; \
|
|
}
|
|
|
|
enum cache_t {ICACHE, DCACHE};
|
|
DEFINE_GET_SYS_REG(ICM_CFG);
|
|
DEFINE_GET_SYS_REG(DCM_CFG);
|
|
#define ICM_CFG_OFF_ISZ 6 /* I-cache line size */
|
|
#define ICM_CFG_MSK_ISZ (0x7UL << ICM_CFG_OFF_ISZ)
|
|
#define DCM_CFG_OFF_DSZ 6 /* D-cache line size */
|
|
#define DCM_CFG_MSK_DSZ (0x7UL << DCM_CFG_OFF_DSZ)
|
|
|
|
#endif /* _ASM_CACHE_H */
|