]> git.karo-electronics.de Git - linux-beck.git/commit
ARM: LPAE: MMU setup for the 3-level page table format
authorCatalin Marinas <catalin.marinas@arm.com>
Tue, 22 Nov 2011 17:30:29 +0000 (17:30 +0000)
committerCatalin Marinas <catalin.marinas@arm.com>
Thu, 8 Dec 2011 10:30:39 +0000 (10:30 +0000)
commit1b6ba46b7efa31055eb993a6f2c6bbcb8b35b001
treeb04e3b1fd23ba81a643f64cba113551d127111a0
parentda02877987e6e173ebba137d4e1e155e1f1151cd
ARM: LPAE: MMU setup for the 3-level page table format

This patch adds the MMU initialisation for the LPAE page table format.
The swapper_pg_dir size with LPAE is 5 rather than 4 pages. A new
proc-v7-3level.S file contains the TTB initialisation, context switch
and PTE setting code with the LPAE. The TTBRx split is based on the
PAGE_OFFSET with TTBR1 used for the kernel mappings. The 36-bit mappings
(supersections) and a few other memory types in mmu.c are conditionally
compiled.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm/kernel/head.S
arch/arm/mm/mmu.c
arch/arm/mm/proc-macros.S
arch/arm/mm/proc-v7-3level.S [new file with mode: 0644]
arch/arm/mm/proc-v7.S