Re: [U-Boot] [u-boot] [PATCH][1/2] mx27: Add necessary defines and helper functions to support I2C in i.MX27.

Hello Javier,

Javier Martin wrote:

Add proper register definitions, macros and clock functions required for I2C driver to be developed.

Signed-off-by: Javier Martin javier.martin@vista-silicon.com

diff --git a/cpu/arm926ejs/mx27/generic.c b/cpu/arm926ejs/mx27/generic.c index 808371f..540ef0c 100644

[...]

diff --git a/include/asm-arm/arch-mx27/imx-regs.h b/include/asm-arm/arch-mx27/imx-regs.h index d36a6da..2b89b4e 100644 --- a/include/asm-arm/arch-mx27/imx-regs.h +++ b/include/asm-arm/arch-mx27/imx-regs.h @@ -206,6 +206,10 @@ struct iim_regs { }; #endif

+#define __REG(x) (*((volatile u32 *)(x))) +#define __REG16(x) (*((volatile u16 *)(x))) +#define __REG8(x) (*((volatile u8 *)(x)))

Why you need this? Couldn;t you use io accessor from asm/io.h?

bye, Heiko