102 lines
1.6 KiB
C
102 lines
1.6 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
|
||
|
|
|
||
|
|
#ifndef __ASM_CSKY_CKMMUV1_H
|
||
|
|
#define __ASM_CSKY_CKMMUV1_H
|
||
|
|
#include <abi/reg_ops.h>
|
||
|
|
|
||
|
|
static inline int read_mmu_index(void)
|
||
|
|
{
|
||
|
|
return cprcr("cpcr0");
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void write_mmu_index(int value)
|
||
|
|
{
|
||
|
|
cpwcr("cpcr0", value);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int read_mmu_entrylo0(void)
|
||
|
|
{
|
||
|
|
return cprcr("cpcr2") << 6;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int read_mmu_entrylo1(void)
|
||
|
|
{
|
||
|
|
return cprcr("cpcr3") << 6;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void write_mmu_pagemask(int value)
|
||
|
|
{
|
||
|
|
cpwcr("cpcr6", value);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int read_mmu_entryhi(void)
|
||
|
|
{
|
||
|
|
return cprcr("cpcr4");
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void write_mmu_entryhi(int value)
|
||
|
|
{
|
||
|
|
cpwcr("cpcr4", value);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline unsigned long read_mmu_msa0(void)
|
||
|
|
{
|
||
|
|
return cprcr("cpcr30");
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void write_mmu_msa0(unsigned long value)
|
||
|
|
{
|
||
|
|
cpwcr("cpcr30", value);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline unsigned long read_mmu_msa1(void)
|
||
|
|
{
|
||
|
|
return cprcr("cpcr31");
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void write_mmu_msa1(unsigned long value)
|
||
|
|
{
|
||
|
|
cpwcr("cpcr31", value);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* TLB operations.
|
||
|
|
*/
|
||
|
|
static inline void tlb_probe(void)
|
||
|
|
{
|
||
|
|
cpwcr("cpcr8", 0x80000000);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void tlb_read(void)
|
||
|
|
{
|
||
|
|
cpwcr("cpcr8", 0x40000000);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void tlb_invalid_all(void)
|
||
|
|
{
|
||
|
|
cpwcr("cpcr8", 0x04000000);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static inline void local_tlb_invalid_all(void)
|
||
|
|
{
|
||
|
|
tlb_invalid_all();
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void tlb_invalid_indexed(void)
|
||
|
|
{
|
||
|
|
cpwcr("cpcr8", 0x02000000);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void setup_pgd(unsigned long pgd, bool kernel)
|
||
|
|
{
|
||
|
|
cpwcr("cpcr29", pgd | BIT(0));
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline unsigned long get_pgd(void)
|
||
|
|
{
|
||
|
|
return cprcr("cpcr29") & ~BIT(0);
|
||
|
|
}
|
||
|
|
#endif /* __ASM_CSKY_CKMMUV1_H */
|