[PATCH 05/10] ARM i.MX25: Enable all needed clocks during startup

Sascha Hauer s.hauer at pengutronix.de
Wed Oct 10 03:49:33 EDT 2012


On Mon, Oct 08, 2012 at 09:44:14PM +0200, Sascha Hauer wrote:
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> ---
>  arch/arm/mach-imx/clk-imx25.c |   16 +++++++++++++---
>  1 file changed, 13 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm/mach-imx/clk-imx25.c b/arch/arm/mach-imx/clk-imx25.c
> index 3b9588c..3a141c2 100644
> --- a/arch/arm/mach-imx/clk-imx25.c
> +++ b/arch/arm/mach-imx/clk-imx25.c
> @@ -76,9 +76,19 @@ static int imx25_ccm_probe(struct device_d *dev)
>  
>  	base = dev_request_mem_region(dev, 0);
>  
> -	writel(0x10e88578, base + CCM_CGCR0);
> -	writel(0x0478e1e0, base + CCM_CGCR0);
> -	writel(0x0007c400, base + CCM_CGCR0);

I applied this one to master as I noticed the clk setup was broken, all
values were written to CCM_CGCR0 :(


> +	writel((1 << 3) | (1 << 4) | (1 << 5) | (1 << 6) | (1 << 8) | (1 << 9) |
> +			(1 << 10) | (1 << 15) |	(1 << 19) | (1 << 21) | (1 << 22) |
> +			(1 << 22) | (1 << 23) | (1 << 24) | (1 << 28),
> +			base + CCM_CGCR0);
> +
> +	writel((1 << 5) | (1 << 6) | (1 << 7) | (1 << 8) | (1 << 13) | (1 << 14) |
> +			(1 << 15) | (1 << 19) | (1 << 20) | (1 << 21) | (1 << 22) |
> +			(1 << 26) | (1 << 29) | (1 << 31),
> +			base + CCM_CGCR1);
> +
> +	writel((1 << 0) | (1 << 1) | (1 << 2) | (1 << 10) | (1 << 13) | (1 << 14) |
> +			(1 << 15) | (1 << 16) | (1 << 17) | (1 << 18),
> +			base + CCM_CGCR2);
>  
>  	clks[dummy] = clk_fixed("dummy", 0);
>  	clks[osc] = clk_fixed("osc", 24000000);
> -- 
> 1.7.10.4
> 
> 

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |



More information about the barebox mailing list