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| author | Kumar Gala <galak@kernel.crashing.org> | 2009-09-11 11:27:00 -0500 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2009-09-15 21:30:08 -0500 |
| commit | d30f9043539d372cf66406bc2f21bb8c20e67009 (patch) | |
| tree | 26e9fb3b3e4225618395e39f49a378d35f9f409b /include | |
| parent | 0ead6f2ed7cf4e1f70dab5b529ad121e38359485 (diff) | |
| download | u-boot-imx-d30f9043539d372cf66406bc2f21bb8c20e67009.zip u-boot-imx-d30f9043539d372cf66406bc2f21bb8c20e67009.tar.gz u-boot-imx-d30f9043539d372cf66406bc2f21bb8c20e67009.tar.bz2 | |
ppc/85xx: Introduce low level write_tlb function
Factor out the code we use to actually write a tlb entry.
set_tlb is a logical view of the TLB while write_tlb is a low level
matching the MAS registers.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-ppc/mmu.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-ppc/mmu.h b/include/asm-ppc/mmu.h index eda2959..8f382fd 100644 --- a/include/asm-ppc/mmu.h +++ b/include/asm-ppc/mmu.h @@ -450,6 +450,8 @@ extern void print_bats(void); (((epn) & MAS3_RPN) | (wimge)) #define FSL_BOOKE_MAS3(rpn, user, perms) \ (((rpn) & MAS3_RPN) | (user) | (perms)) +#define FSL_BOOKE_MAS7(rpn) \ + (((u64)(rpn)) >> 32) #define BOOKE_PAGESZ_1K 0 #define BOOKE_PAGESZ_4K 1 @@ -480,6 +482,8 @@ extern int find_tlb_idx(void *addr, u8 tlbsel); 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 } |