mmu_vmalloc_psize = MMU_PAGE_64K;
if (mmu_linear_psize == MMU_PAGE_4K)
mmu_linear_psize = MMU_PAGE_64K;
- if (cpu_has_feature(CPU_FTR_CI_LARGE_PAGE))
- mmu_io_psize = MMU_PAGE_64K;
- else
+ if (cpu_has_feature(CPU_FTR_CI_LARGE_PAGE)) {
+ /*
+ * Don't use 64k pages for ioremap on pSeries, since
+ * that would stop us accessing the HEA ethernet.
+ */
+ if (!machine_is(pseries))
+ mmu_io_psize = MMU_PAGE_64K;
+ } else
mmu_ci_restrictions = 1;
}
#endif /* CONFIG_PPC_64K_PAGES */
} else {
/* Find storage for the HPT. Must be contiguous in
* the absolute address space. On cell we want it to be
- * in the first 1 Gig.
+ * in the first 2 Gig so we can use it for IOMMU hacks.
*/
if (machine_is(cell))
- limit = 0x40000000;
+ limit = 0x80000000;
else
limit = 0;