diff options
Diffstat (limited to 'arch/microblaze/kernel/early_printk.c')
| -rw-r--r-- | arch/microblaze/kernel/early_printk.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/microblaze/kernel/early_printk.c b/arch/microblaze/kernel/early_printk.c index 742c247792ce..ec485876d0d0 100644 --- a/arch/microblaze/kernel/early_printk.c +++ b/arch/microblaze/kernel/early_printk.c @@ -175,6 +175,20 @@ void __init remap_early_printk(void) 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) |