diff options
| author | Scott Williams <scwilliams@nvidia.com> | 2010-06-22 11:03:37 -0700 |
|---|---|---|
| committer | Gary King <gking@nvidia.com> | 2010-06-22 16:42:44 -0700 |
| commit | 13ab9c200e55ad3c763e04fa4e4c008d93c79cc4 (patch) | |
| tree | 69837d48b10104080f1fc3e1767df511dc120154 /arch/arm/mach-tegra/cortex-a9.S | |
| parent | 6bab883b2a2e854f93fdec6fd15bc25ecf32aa1d (diff) | |
tegra: Move CPU-specific code to a CPU-specific file
Also replaces direct moves to the PC with a BX instruction since
this is the preferred form of branching/returning.
Change-Id: I259c7160d1337a930a6bfe3ceb1b0366951ba054
Reviewed-on: http://git-master.nvidia.com/r/3007
Reviewed-by: Scott Williams <scwilliams@nvidia.com>
Tested-by: Scott Williams <scwilliams@nvidia.com>
Reviewed-by: Gary King <gking@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/cortex-a9.S')
| -rw-r--r-- | arch/arm/mach-tegra/cortex-a9.S | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/cortex-a9.S b/arch/arm/mach-tegra/cortex-a9.S index 0ddfa5d77215..0406f565eddf 100644 --- a/arch/arm/mach-tegra/cortex-a9.S +++ b/arch/arm/mach-tegra/cortex-a9.S @@ -444,3 +444,14 @@ __reenable_l2x0: str r3, [r9, #L2X0_CTRL] #endif b __cortex_a9_restore + + .align L1_CACHE_SHIFT +ENTRY(__shut_off_mmu) + mrc p15, 0, r3, c1, c0, 0 + movw r2, #(1<<12) | (1<<11) | (1<<2) | (1<<0) + bic r3, r3, r2 + dsb + mcr p15, 0, r3, c1, c0, 0 + isb + bx r9 +ENDPROC(__shut_off_mmu) |