[U-Boot] [PATCH] mx1: add mx1/l support for mxc_i2c
Marek Vasut
marek.vasut at gmail.com
Mon Sep 19 08:57:11 CEST 2011
On Monday, August 22, 2011 10:56:43 PM Eric Jarrige wrote:
> Signed-off-by: Eric Jarrige <eric.jarrige at armadeus.org>
> Cc: Stefano Babic <sbabic at denx.de>
> Cc: Heiko Schocher <hs at 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
>
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
More information about the U-Boot
mailing list