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| author | David Feng <fenghua@phytium.com.cn> | 2013-12-14 11:47:35 +0800 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-01-09 16:08:44 +0100 |
| commit | 0ae7653128c80a4f2920cbe9b124792c2fd9d9e0 (patch) | |
| tree | 14fea7a80e4ea84c7b6a3bc32298daeec55054c7 /arch/arm/cpu/armv8/tlb.S | |
| parent | 54799e4596bf8af33fd4a8dee153be7011c06d8d (diff) | |
| download | u-boot-imx-0ae7653128c80a4f2920cbe9b124792c2fd9d9e0.zip u-boot-imx-0ae7653128c80a4f2920cbe9b124792c2fd9d9e0.tar.gz u-boot-imx-0ae7653128c80a4f2920cbe9b124792c2fd9d9e0.tar.bz2 | |
arm64: core support
Relocation code based on a patch by Scott Wood, which is:
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: David Feng <fenghua@phytium.com.cn>
Diffstat (limited to 'arch/arm/cpu/armv8/tlb.S')
| -rw-r--r-- | arch/arm/cpu/armv8/tlb.S | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/tlb.S b/arch/arm/cpu/armv8/tlb.S new file mode 100644 index 0000000..f840b04 --- /dev/null +++ b/arch/arm/cpu/armv8/tlb.S @@ -0,0 +1,34 @@ +/* + * (C) Copyright 2013 + * David Feng <fenghua@phytium.com.cn> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm-offsets.h> +#include <config.h> +#include <version.h> +#include <linux/linkage.h> +#include <asm/macro.h> + +/* + * void __asm_invalidate_tlb_all(void) + * + * invalidate all tlb entries. + */ +ENTRY(__asm_invalidate_tlb_all) + switch_el x9, 3f, 2f, 1f +3: tlbi alle3 + dsb sy + isb + b 0f +2: tlbi alle2 + dsb sy + isb + b 0f +1: tlbi vmalle1 + dsb sy + isb +0: + ret +ENDPROC(__asm_invalidate_tlb_all) |