[U-Boot] [PATCH 2/4 v3] i.MX28: Fix ref_cpu clock setup
Marek Vasut
marek.vasut at gmail.com
Mon Feb 6 16:33:41 CET 2012
> From: Robert Delien <robert at delien.nl>
>
> Introducing 8-bit wide register, mx28_register_8.
>
> ---
> arch/arm/include/asm/arch-mx28/regs-common.h | 16 ++++++++++++++++
> 1 files changed, 16 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/include/asm/arch-mx28/regs-common.h
> b/arch/arm/include/asm/arch-mx28/regs-common.h index 75cc9a6..d2e1953
> 100644
> --- a/arch/arm/include/asm/arch-mx28/regs-common.h
> +++ b/arch/arm/include/asm/arch-mx28/regs-common.h
> @@ -47,16 +47,32 @@
> *
> */
>
> +#define __mx28_reg_8(name) \
> + uint8_t name[4]; \
> + uint8_t name##_set[4]; \
> + uint8_t name##_clr[4]; \
> + uint8_t name##_tog[4]; \
> +
> #define __mx28_reg_32(name) \
> uint32_t name; \
> uint32_t name##_set; \
> uint32_t name##_clr; \
> uint32_t name##_tog;
>
> +struct mx28_register_8 {
> + __mx28_reg_8(reg)
> +};
> +
> struct mx28_register_32 {
> __mx28_reg_32(reg)
> };
>
> +#define mx28_reg_8(name) \
> + union { \
> + struct { __mx28_reg_8(name) }; \
> + struct mx28_register_8 name##_reg; \
Will this kind of access (via register.reg) even work? I think we should replace
it with register_32.
> + };
> +
> #define mx28_reg_32(name) \
> union { \
> struct { __mx28_reg_32(name) }; \
More information about the U-Boot
mailing list