diff options
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/fsl_booke_mmu.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/arch/powerpc/mm/fsl_booke_mmu.c b/arch/powerpc/mm/fsl_booke_mmu.c index 66a6fd38e9cd..07ba45b0f07c 100644 --- a/arch/powerpc/mm/fsl_booke_mmu.c +++ b/arch/powerpc/mm/fsl_booke_mmu.c @@ -149,12 +149,19 @@ static void settlbcam(int index, unsigned long virt, phys_addr_t phys, unsigned long calc_cam_sz(unsigned long ram, unsigned long virt, phys_addr_t phys) { - unsigned int camsize = __ilog2(ram) & ~1U; - unsigned int align = __ffs(virt | phys) & ~1U; - unsigned long max_cam = (mfspr(SPRN_TLB1CFG) >> 16) & 0xf; - - /* Convert (4^max) kB to (2^max) bytes */ - max_cam = max_cam * 2 + 10; + unsigned int camsize = __ilog2(ram); + unsigned int align = __ffs(virt | phys); + unsigned long max_cam; + + if ((mfspr(SPRN_MMUCFG) & MMUCFG_MAVN) == MMUCFG_MAVN_V1) { + /* Convert (4^max) kB to (2^max) bytes */ + max_cam = ((mfspr(SPRN_TLB1CFG) >> 16) & 0xf) * 2 + 10; + camsize &= ~1U; + align &= ~1U; + } else { + /* Convert (2^max) kB to (2^max) bytes */ + max_cam = __ilog2(mfspr(SPRN_TLB1PS)) + 10; + } if (camsize > align) camsize = align; |