diff options
| author | [email protected] <[email protected]> | 2017-04-17 12:00:23 -0700 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2017-05-08 11:57:31 -0400 |
| commit | 413353b30b5d23c409b6a2fd70aa1cc28451a451 (patch) | |
| tree | aa519ca9b5e97b5a6e95c4902959f3b68c0cc0ee /arch/arm/include | |
| parent | 1eb0a464b7434175800c98a175909588d38c1dae (diff) | |
aspeed: Make SCU lock/unlock functions part of SCU API
Make functions for locking and unlocking SCU part of SCU API.
Many drivers need to modify settings in SCU and thus need to unlock it
first. This change makes it possible.
Signed-off-by: Maxim Sloyko <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/arch-aspeed/scu_ast2500.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-aspeed/scu_ast2500.h b/arch/arm/include/asm/arch-aspeed/scu_ast2500.h index fc0c01ae330..0fa3ecb9b91 100644 --- a/arch/arm/include/asm/arch-aspeed/scu_ast2500.h +++ b/arch/arm/include/asm/arch-aspeed/scu_ast2500.h @@ -120,6 +120,20 @@ int ast_get_clk(struct udevice **devp); */ void *ast_get_scu(void); +/** + * ast_scu_unlock() - unlock protected registers + * + * @scu, pointer to ast2500_scu + */ +void ast_scu_unlock(struct ast2500_scu *scu); + +/** + * ast_scu_lock() - lock protected registers + * + * @scu, pointer to ast2500_scu + */ +void ast_scu_lock(struct ast2500_scu *scu); + #endif /* __ASSEMBLY__ */ #endif /* _ASM_ARCH_SCU_AST2500_H */ |