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/early_printk.c | |
| 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/early_printk.c')
| -rw-r--r-- | arch/microblaze/kernel/early_printk.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/microblaze/kernel/early_printk.c b/arch/microblaze/kernel/early_printk.c index 8356e47631c..ec485876d0d 100644 --- a/arch/microblaze/kernel/early_printk.c +++ b/arch/microblaze/kernel/early_printk.c @@ -171,10 +171,24 @@ void __init remap_early_printk(void) { if (!early_console_initialized || !early_console) return; - printk(KERN_INFO "early_printk_console remaping from 0x%x to ", + printk(KERN_INFO "early_printk_console remapping from 0x%x to ", base_addr); base_addr = (u32) ioremap(base_addr, PAGE_SIZE); printk(KERN_CONT "0x%x\n", base_addr); + + /* + * Early console is on the top of skipped TLB entries + * decrease tlb_skip size ensure that hardcoded TLB entry will be + * used by generic algorithm + * FIXME check if early console mapping is on the top by rereading + * TLB entry and compare baseaddr + * mts rtlbx, (tlb_skip - 1) + * nop + * mfs rX, rtlblo + * nop + * cmp rX, orig_base_addr + */ + tlb_skip -= 1; } void __init disable_early_printk(void) |