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author | Jiri Kosina <jkosina@suse.cz> | 2018-11-06 13:57:02 +0100 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2018-11-06 13:57:02 +0100 |
commit | 0c7244209588630a9b45e52490ef1390e04499a6 (patch) | |
tree | d60f5610f9b36ff05ed5202396c811628bacdb61 /arch/csky/abiv1/inc/abi/ckmmu.h | |
parent | HID: i2c-hid: add Direkt-Tek DTLAPY133-1 to descriptor override (diff) | |
parent | Merge tag 'platform-drivers-x86-v4.20-1' of git://git.infradead.org/linux-pla... (diff) | |
download | linux-0c7244209588630a9b45e52490ef1390e04499a6.tar.xz linux-0c7244209588630a9b45e52490ef1390e04499a6.zip |
Merge branch 'master' into for-4.20/upstream-fixes
Pull in a merge commit that brought in 3b692c55e58d ("HID: asus: only
support backlight when it's not driven by WMI") so that fixup could be
applied on top of it.
Diffstat (limited to 'arch/csky/abiv1/inc/abi/ckmmu.h')
-rw-r--r-- | arch/csky/abiv1/inc/abi/ckmmu.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/csky/abiv1/inc/abi/ckmmu.h b/arch/csky/abiv1/inc/abi/ckmmu.h new file mode 100644 index 000000000000..3a002017bebe --- /dev/null +++ b/arch/csky/abiv1/inc/abi/ckmmu.h @@ -0,0 +1,75 @@ +/* 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); +} + +/* + * 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 tlb_invalid_indexed(void) +{ + cpwcr("cpcr8", 0x02000000); +} + +static inline void setup_pgd(unsigned long pgd, bool kernel) +{ + cpwcr("cpcr29", pgd); +} + +static inline unsigned long get_pgd(void) +{ + return cprcr("cpcr29"); +} +#endif /* __ASM_CSKY_CKMMUV1_H */ |