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From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3 3/4] imx: mx5: lowlevel_init: Simplify code
Date: Wed, 06 Feb 2013 09:56:19 +0100	[thread overview]
Message-ID: <51121AB3.3000700@denx.de> (raw)
In-Reply-To: <1360098435-26005-3-git-send-email-benoit.thebaudeau@advansee.com>

On 05/02/2013 22:07, Beno?t Th?baudeau wrote:
> Don't use several instructions to build constant values.
> 
> Signed-off-by: Beno?t Th?baudeau <benoit.thebaudeau@advansee.com>
> ---
> Changes in v3:
>  - New patch.
> 
> Changes in v2: None
> 
>  arch/arm/cpu/armv7/mx5/lowlevel_init.S |    8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/arch/arm/cpu/armv7/mx5/lowlevel_init.S b/arch/arm/cpu/armv7/mx5/lowlevel_init.S
> index 6d9396a..dfce0ca 100644
> --- a/arch/arm/cpu/armv7/mx5/lowlevel_init.S
> +++ b/arch/arm/cpu/armv7/mx5/lowlevel_init.S
> @@ -309,8 +309,7 @@ setup_pll_func:
>          ldr r0, =CCM_BASE_ADDR
>          ldr r1, =0x00015154
>          str r1, [r0, #CLKCTL_CBCMR]
> -        ldr r1, =0x02888945
> -        orr r1, r1, #(1 << 16)
> +        ldr r1, =0x02898945
>          str r1, [r0, #CLKCTL_CBCDR]
>          /* make sure change is effective */
>  1:      ldr r1, [r0, #CLKCTL_CDHIPR]
> @@ -321,10 +320,7 @@ setup_pll_func:
>  
>  	/* Switch peripheral to PLL2 */
>  	ldr r0, =CCM_BASE_ADDR
> -	ldr r1, =0x00808145
> -	orr r1, r1, #(2 << 10)
> -	orr r1, r1, #(0 << 16)
> -	orr r1, r1, #(1 << 19)
> +	ldr r1, =0x00888945
>  	str r1, [r0, #CLKCTL_CBCDR]
>  
>  	ldr r1, =0x00016154
> 

Acked-by: Stefano Babic <sbabic@denx.de>

Best regards,
Stefano Babic

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  reply	other threads:[~2013-02-06  8:56 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-05 21:07 [U-Boot] [PATCH v3 1/4] nand: mxc: Prepare to add support for i.MX5 Benoît Thébaudeau
2013-02-05 21:07 ` [U-Boot] [PATCH v3 2/4] nand: mxc: Add " Benoît Thébaudeau
2013-02-05 21:07 ` [U-Boot] [PATCH v3 3/4] imx: mx5: lowlevel_init: Simplify code Benoît Thébaudeau
2013-02-06  8:56   ` Stefano Babic [this message]
2013-02-05 21:07 ` [U-Boot] [PATCH v3 4/4] imx: mx53ard: Add support for NAND Flash Benoît Thébaudeau

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