diff options
| author | Kumar Gala <[email protected]> | 2009-09-11 11:30:30 -0500 |
|---|---|---|
| committer | Tom Rix <[email protected]> | 2009-10-03 09:04:28 -0500 |
| commit | b855dc47debf775c0bfd9fef4e9604ca7a5a6e9f (patch) | |
| tree | 1607a71f3d2ec44ea0c537cc6b5887ad1c4a4480 /include | |
| parent | ccea800346cbf4f5217dbd37256bf7ae21162473 (diff) | |
ppc/85xx: Repack tlb_table to save space
We can pack the initial tlb_table in MAS register format and use
write_tlb to set things up. This savings can be helpful for NAND
style first stage boot loaders.
Signed-off-by: Kumar Gala <[email protected]>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-ppc/mmu.h | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/include/asm-ppc/mmu.h b/include/asm-ppc/mmu.h index 8f382fd6ff8..a019d0b390b 100644 --- a/include/asm-ppc/mmu.h +++ b/include/asm-ppc/mmu.h @@ -485,19 +485,18 @@ extern unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg); extern void write_tlb(u32 _mas0, u32 _mas1, u32 _mas2, u32 _mas3, u32 _mas7); #define SET_TLB_ENTRY(_tlb, _epn, _rpn, _perms, _wimge, _ts, _esel, _sz, _iprot) \ - { .tlb = _tlb, .epn = _epn, .rpn = _rpn, .perms = _perms, \ - .wimge = _wimge, .ts = _ts, .esel = _esel, .tsize = _sz, .iprot = _iprot } + { .mas0 = FSL_BOOKE_MAS0(_tlb, _esel, 0), \ + .mas1 = FSL_BOOKE_MAS1(1, _iprot, 0, _ts, _sz), \ + .mas2 = FSL_BOOKE_MAS2(_epn, _wimge), \ + .mas3 = FSL_BOOKE_MAS3(_rpn, 0, _perms), \ + .mas7 = FSL_BOOKE_MAS7(_rpn), } struct fsl_e_tlb_entry { - u8 tlb; - u32 epn; - u64 rpn; - u8 perms; - u8 wimge; - u8 ts; - u8 esel; - u8 tsize; - u8 iprot; + u32 mas0; + u32 mas1; + u32 mas2; + u32 mas3; + u32 mas7; }; extern struct fsl_e_tlb_entry tlb_table[]; |