remove libdss from Makefile
[GitHub/moto-9609/android_kernel_motorola_exynos9610.git] / arch / parisc / include / asm / cache.h
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b2441318 1/* SPDX-License-Identifier: GPL-2.0 */
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2/*
3 * include/asm-parisc/cache.h
4 */
5
6#ifndef __ARCH_PARISC_CACHE_H
7#define __ARCH_PARISC_CACHE_H
8
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9
10/*
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11 * PA 2.0 processors have 64 and 128-byte L2 cachelines; PA 1.1 processors
12 * have 32-byte cachelines. The L1 length appears to be 16 bytes but this
13 * is not clearly documented.
1da177e4 14 */
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15#define L1_CACHE_BYTES 16
16#define L1_CACHE_SHIFT 4
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17
18#ifndef __ASSEMBLY__
19
1da177e4 20#define SMP_CACHE_BYTES L1_CACHE_BYTES
1da177e4 21
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22#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
23
54cb27a7 24#define __read_mostly __attribute__((__section__(".data..read_mostly")))
804f1594 25
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26/* Read-only memory is marked before mark_rodata_ro() is called. */
27#define __ro_after_init __read_mostly
28
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29void parisc_cache_init(void); /* initializes cache-flushing */
30void disable_sr_hashing_asm(int); /* low level support for above */
31void disable_sr_hashing(void); /* turns off space register hashing */
32void free_sid(unsigned long);
1da177e4 33unsigned long alloc_sid(void);
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34
35struct seq_file;
36extern void show_cache_info(struct seq_file *m);
37
38extern int split_tlb;
39extern int dcache_stride;
40extern int icache_stride;
41extern struct pdc_cache_info cache_info;
d6ce8626 42void parisc_setup_cache_timing(void);
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43
44#define pdtlb(addr) asm volatile("pdtlb 0(%%sr1,%0)" : : "r" (addr));
45#define pitlb(addr) asm volatile("pitlb 0(%%sr1,%0)" : : "r" (addr));
46#define pdtlb_kernel(addr) asm volatile("pdtlb 0(%0)" : : "r" (addr));
47
48#endif /* ! __ASSEMBLY__ */
49
50/* Classes of processor wrt: disabling space register hashing */
51
52#define SRHASH_PCXST 0 /* pcxs, pcxt, pcxt_ */
53#define SRHASH_PCXL 1 /* pcxl */
54#define SRHASH_PA20 2 /* pcxu, pcxu_, pcxw, pcxw_ */
55
56#endif