diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-27 18:20:56 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-27 18:20:56 -0700 |
| commit | 30eebb54b13ef198a3f1a143ee9dd68f295c60de (patch) | |
| tree | 64a489015c8f5def32820ac069534c6f7297ab70 /arch/microblaze/kernel/misc.S | |
| parent | 9e4db1c3eed55c22328d8022c2c80adb3093833f (diff) | |
| parent | e02db0aa3e1976ae4e23a66077d252a2f3ba74c7 (diff) | |
Merge branch 'next' of git://git.monstr.eu/linux-2.6-microblaze
Pull arch/microblaze fixes from Michal Simek
* 'next' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Handle TLB skip size dynamically
microblaze: Introduce TLB skip size
microblaze: Improve TLB calculation for small systems
microblaze: Extend space for compiled-in FDT to 32kB
microblaze: Clear all MSR flags on the first kernel instruction
microblaze: Use node name instead of compatible string
microblaze: Fix mapin_ram function
microblaze: Highmem support
microblaze: Use active regions
microblaze: Show more detailed information about memory
microblaze: Introduce fixmap
microblaze: mm: Fix lowmem max memory size limits
microblaze: mm: Use ZONE_DMA instead of ZONE_NORMAL
microblaze: trivial: Fix typo fault in timer.c
microblaze: Use vsprintf extention %pf with builtin_return_address
microblaze: Add PVR version string for MB 8.20.b and 8.30.a
microblaze: Fix makefile to work with latest toolchain
microblaze: Fix typo in early_printk.c
Diffstat (limited to 'arch/microblaze/kernel/misc.S')
| -rw-r--r-- | arch/microblaze/kernel/misc.S | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/microblaze/kernel/misc.S b/arch/microblaze/kernel/misc.S index 206da3da361..1dafddeb8a0 100644 --- a/arch/microblaze/kernel/misc.S +++ b/arch/microblaze/kernel/misc.S @@ -29,16 +29,16 @@ .type _tlbia, @function .align 4; _tlbia: - addik r12, r0, MICROBLAZE_TLB_SIZE - 1 /* flush all entries (63 - 3) */ + lwi r12, r0, tlb_skip; /* isync */ _tlbia_1: mts rtlbx, r12 nop mts rtlbhi, r0 /* flush: ensure V is clear */ nop - addik r11, r12, -2 + rsubi r11, r12, MICROBLAZE_TLB_SIZE - 1 bneid r11, _tlbia_1 /* loop for all entries */ - addik r12, r12, -1 + addik r12, r12, 1 /* sync */ rtsd r15, 8 nop @@ -75,7 +75,7 @@ early_console_reg_tlb_alloc: * Load a TLB entry for the UART, so that microblaze_progress() can use * the UARTs nice and early. We use a 4k real==virtual mapping. */ - ori r4, r0, MICROBLAZE_TLB_SIZE - 1 + lwi r4, r0, tlb_skip mts rtlbx, r4 /* TLB slot 63 */ or r4,r5,r0 @@ -89,6 +89,11 @@ early_console_reg_tlb_alloc: nop mts rtlbhi,r5 /* Load the tag portion of the entry */ nop + + lwi r5, r0, tlb_skip + addik r5, r5, 1 + swi r5, r0, tlb_skip + rtsd r15, 8 nop |