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authorLinus Torvalds <torvalds@linux-foundation.org>2012-05-21 10:32:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-21 10:32:01 -0700
commit9daeaa370526df1c19eba4780247bb7155541e38 (patch)
tree5ae2601c26e280e81d753c1fe65453a3b8b1d2a0 /arch/sparc/include/asm/cache.h
parentcb62ab71fe2b16e8203a0f0a2ef4eda23d761338 (diff)
parent1edc17832d8f49a0263d364c453ea35da0e4e2a6 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next
Pull sparc updates from David Miller: 1) Kill off support for sun4c and Cypress sun4m chips. And as a result we were able to also kill off that ugly btfixup thing that required multi-stage links of the final vmlinux image in the Kbuild system. This should make the kbuild maintainers really happy. Thanks a lot to Sam Ravnborg for his tireless efforts to get this going. 2) Convert sparc64 to nobootmem. I suspect now with sparc32 being a lot cleaner, it should be able to fall in line and modernize in this area too. 3) Make sparc32 use generic clockevents, from Tkhai Kirill. [ I fixed up the BPF rules, and tried to clean up the build rules too. But I don't have - or want - a sparc cross-build environment, so the BPF rule bug and the related build cleanup was all done with just a bare "make -n" pseudo-test. - Linus ] * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next: (110 commits) sparc32: use flushi when run-time patching in per_cpu_patch sparc32: fix cpuid_patch run-time patching sparc32: drop unused inline functions in srmmu.c sparc32: drop unused functions in pgtsrmmu.h sparc32,leon: move leon mmu functions to leon_mm.c sparc32,leon: remove duplicate definitions in leon.h sparc32,leon: remove duplicate UART register definitions sparc32,leon: move leon ASI definitions to asi.h sparc32: move trap table to a separate file sparc64: renamed ttable.S to ttable_64.S sparc32: Remove asm/sysen.h header. sparc32: Delete asm/smpprim.h sparc32: Remove unused empty_bad_page{,_table} declarations. sparc32: Kill boot_cpu_id4 sparc32: Move GET_PROCESSOR*_ID() out of asm/asmmacro.h sparc32: Remove completely unused code from asm/cache.h sparc32: Add ucmpdi2.o to obj-y instead of lib-y. sparc32: add ucmpdi2 sparc: introduce arch/sparc/Kbuild sparc: remove obsolete documentation ...
Diffstat (limited to 'arch/sparc/include/asm/cache.h')
-rw-r--r--arch/sparc/include/asm/cache.h114
1 files changed, 0 insertions, 114 deletions
diff --git a/arch/sparc/include/asm/cache.h b/arch/sparc/include/asm/cache.h
index 69358b590c9..5bb6991b485 100644
--- a/arch/sparc/include/asm/cache.h
+++ b/arch/sparc/include/asm/cache.h
@@ -22,118 +22,4 @@
#define __read_mostly __attribute__((__section__(".data..read_mostly")))
-#ifdef CONFIG_SPARC32
-#include <asm/asi.h>
-
-/* Direct access to the instruction cache is provided through and
- * alternate address space. The IDC bit must be off in the ICCR on
- * HyperSparcs for these accesses to work. The code below does not do
- * any checking, the caller must do so. These routines are for
- * diagnostics only, but could end up being useful. Use with care.
- * Also, you are asking for trouble if you execute these in one of the
- * three instructions following a %asr/%psr access or modification.
- */
-
-/* First, cache-tag access. */
-static inline unsigned int get_icache_tag(int setnum, int tagnum)
-{
- unsigned int vaddr, retval;
-
- vaddr = ((setnum&1) << 12) | ((tagnum&0x7f) << 5);
- __asm__ __volatile__("lda [%1] %2, %0\n\t" :
- "=r" (retval) :
- "r" (vaddr), "i" (ASI_M_TXTC_TAG));
- return retval;
-}
-
-static inline void put_icache_tag(int setnum, int tagnum, unsigned int entry)
-{
- unsigned int vaddr;
-
- vaddr = ((setnum&1) << 12) | ((tagnum&0x7f) << 5);
- __asm__ __volatile__("sta %0, [%1] %2\n\t" : :
- "r" (entry), "r" (vaddr), "i" (ASI_M_TXTC_TAG) :
- "memory");
-}
-
-/* Second cache-data access. The data is returned two-32bit quantities
- * at a time.
- */
-static inline void get_icache_data(int setnum, int tagnum, int subblock,
- unsigned int *data)
-{
- unsigned int value1, value2, vaddr;
-
- vaddr = ((setnum&0x1) << 12) | ((tagnum&0x7f) << 5) |
- ((subblock&0x3) << 3);
- __asm__ __volatile__("ldda [%2] %3, %%g2\n\t"
- "or %%g0, %%g2, %0\n\t"
- "or %%g0, %%g3, %1\n\t" :
- "=r" (value1), "=r" (value2) :
- "r" (vaddr), "i" (ASI_M_TXTC_DATA) :
- "g2", "g3");
- data[0] = value1; data[1] = value2;
-}
-
-static inline void put_icache_data(int setnum, int tagnum, int subblock,
- unsigned int *data)
-{
- unsigned int value1, value2, vaddr;
-
- vaddr = ((setnum&0x1) << 12) | ((tagnum&0x7f) << 5) |
- ((subblock&0x3) << 3);
- value1 = data[0]; value2 = data[1];
- __asm__ __volatile__("or %%g0, %0, %%g2\n\t"
- "or %%g0, %1, %%g3\n\t"
- "stda %%g2, [%2] %3\n\t" : :
- "r" (value1), "r" (value2),
- "r" (vaddr), "i" (ASI_M_TXTC_DATA) :
- "g2", "g3", "memory" /* no joke */);
-}
-
-/* Different types of flushes with the ICACHE. Some of the flushes
- * affect both the ICACHE and the external cache. Others only clear
- * the ICACHE entries on the cpu itself. V8's (most) allow
- * granularity of flushes on the packet (element in line), whole line,
- * and entire cache (ie. all lines) level. The ICACHE only flushes are
- * ROSS HyperSparc specific and are in ross.h
- */
-
-/* Flushes which clear out both the on-chip and external caches */
-static inline void flush_ei_page(unsigned int addr)
-{
- __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : :
- "r" (addr), "i" (ASI_M_FLUSH_PAGE) :
- "memory");
-}
-
-static inline void flush_ei_seg(unsigned int addr)
-{
- __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : :
- "r" (addr), "i" (ASI_M_FLUSH_SEG) :
- "memory");
-}
-
-static inline void flush_ei_region(unsigned int addr)
-{
- __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : :
- "r" (addr), "i" (ASI_M_FLUSH_REGION) :
- "memory");
-}
-
-static inline void flush_ei_ctx(unsigned int addr)
-{
- __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : :
- "r" (addr), "i" (ASI_M_FLUSH_CTX) :
- "memory");
-}
-
-static inline void flush_ei_user(unsigned int addr)
-{
- __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : :
- "r" (addr), "i" (ASI_M_FLUSH_USER) :
- "memory");
-}
-#endif /* CONFIG_SPARC32 */
-
#endif /* !(_SPARC_CACHE_H) */