[U-Boot] [PATCH] mx1: add mx1/l support for mxc_i2c

From: Marek Vasut <marek.vasut@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] mx1: add mx1/l support for mxc_i2c
Date: Mon, 19 Sep 2011 08:57:11 +0200	[thread overview]
Message-ID: <201109190857.11742.marek.vasut@gmail.com> (raw)
In-Reply-To: <20110822205643.18696.97664.stgit@shuttle2.etheralp.ch>

On Monday, August 22, 2011 10:56:43 PM Eric Jarrige wrote:
> Signed-off-by: Eric Jarrige <eric.jarrige@armadeus.org>
> Cc: Stefano Babic <sbabic@denx.de>
> Cc: Heiko Schocher <hs@denx.de>
> ---
>  drivers/i2c/mxc_i2c.c |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c
> index 89d1973..597e9ee 100644
> --- a/drivers/i2c/mxc_i2c.c
> +++ b/drivers/i2c/mxc_i2c.c
> @@ -27,7 +27,9 @@
> 
>  #if defined(CONFIG_HARD_I2C)
> 
> +#ifndef CONFIG_IMX
>  #include <asm/arch/clock.h>
> +#endif
>  #include <asm/arch/imx-regs.h>
> 
>  #define IADR	0x00
> @@ -63,6 +65,8 @@
>  #define I2C_BASE        I2C2_BASE_ADDR
>  #elif defined(CONFIG_SYS_I2C_MX35_PORT1)
>  #define I2C_BASE	I2C_BASE_ADDR
> +#elif defined(CONFIG_SYS_I2C_MX1_PORT1)
> +#define I2C_BASE	IMX_I2C_BASE
>  #else
>  #error "define CONFIG_SYS_I2C_MX<Processor>_PORTx to use the mx I2C
> driver" #endif
> @@ -94,6 +98,8 @@ void i2c_init(int speed, int unused)
>  	/* start the required I2C clock */
>  	writel(readl(&sc_regs->cgr0) | (3 << I2C_CLK_OFFSET),
>  		&sc_regs->cgr0);
> +#elif defined(CONFIG_IMX)
> +	freq = get_HCLK();
>  #else
>  	freq = mxc_get_clock(MXC_IPG_PERCLK);
>  #endif

Please, no more ifdefs -- can't you actually modify your header files or add 
some which would define mxc_get_clock() ? That'd make this way much more clean.

Cheers
> 
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