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| author | Kumar Gala <galak@kernel.crashing.org> | 2008-01-16 22:33:22 -0600 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2008-01-17 02:04:07 -0600 |
| commit | 44a23cfd6360a68eaa41f945190618a55519eac3 (patch) | |
| tree | de0fba321ba3ebe9bba235490fd94e82a2576c82 /cpu/mpc85xx/spd_sdram.c | |
| parent | c8c41d4a80b1a8ad5984a287d81ea780496259f8 (diff) | |
| download | u-boot-imx-44a23cfd6360a68eaa41f945190618a55519eac3.zip u-boot-imx-44a23cfd6360a68eaa41f945190618a55519eac3.tar.gz u-boot-imx-44a23cfd6360a68eaa41f945190618a55519eac3.tar.bz2 | |
85xx: Introduce new tlb API
Add a set of functions to manipulate TLB entries:
* set_tlb() - write a tlb entry
* invalidate_tlb() - invalidate a tlb array
* disable_tlb() - disable a variable size tlb entry
* init_tlbs() - setup initial tlbs based on static table
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'cpu/mpc85xx/spd_sdram.c')
| -rw-r--r-- | cpu/mpc85xx/spd_sdram.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/cpu/mpc85xx/spd_sdram.c b/cpu/mpc85xx/spd_sdram.c index 90c3d44..abc63c4 100644 --- a/cpu/mpc85xx/spd_sdram.c +++ b/cpu/mpc85xx/spd_sdram.c @@ -1071,19 +1071,9 @@ setup_laws_and_tlbs(unsigned int memsize) ram_tlb_address = (unsigned int)CFG_DDR_SDRAM_BASE; while (ram_tlb_address < (memsize * 1024 * 1024) && ram_tlb_index < 16) { - mtspr(MAS0, FSL_BOOKE_MAS0(1, ram_tlb_index, 0)); - mtspr(MAS1, FSL_BOOKE_MAS1(1, 1, 0, 0, tlb_size)); - mtspr(MAS2, FSL_BOOKE_MAS2(ram_tlb_address, 0)); - mtspr(MAS3, FSL_BOOKE_MAS3(ram_tlb_address, 0, - (MAS3_SX|MAS3_SW|MAS3_SR))); - asm volatile("isync;msync;tlbwe;isync"); - - debug("DDR: MAS0=0x%08x\n", FSL_BOOKE_MAS0(1, ram_tlb_index, 0)); - debug("DDR: MAS1=0x%08x\n", FSL_BOOKE_MAS1(1, 1, 0, 0, tlb_size)); - debug("DDR: MAS2=0x%08x\n", FSL_BOOKE_MAS2(ram_tlb_address, 0)); - debug("DDR: MAS3=0x%08x\n", - FSL_BOOKE_MAS3(ram_tlb_address, 0, - (MAS3_SX|MAS3_SW|MAS3_SR))); + set_tlb(1, ram_tlb_address, ram_tlb_address, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, ram_tlb_index, tlb_size, 1); ram_tlb_address += (0x1000 << ((tlb_size - 1) * 2)); ram_tlb_index++; |