[PATCH 2/2] ARM: OMAP2+: AM43x: L2 cache support

Russell King - ARM Linux linux at arm.linux.org.uk
Fri Mar 28 06:50:54 EDT 2014


On Fri, Mar 28, 2014 at 02:05:29PM +0530, Sekhar Nori wrote:
> diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
> index 8f18460..763a169 100644
> --- a/arch/arm/mach-omap2/omap4-common.c
> +++ b/arch/arm/mach-omap2/omap4-common.c
> @@ -188,7 +188,7 @@ static int __init omap_l2_cache_init(void)
>  	 * To avoid code running on other OMAPs in
>  	 * multi-omap builds
>  	 */
> -	if (!cpu_is_omap44xx())
> +	if (!cpu_is_omap44xx() && !soc_is_am43xx())
>  		return -ENODEV;
>  
>  	/* Static mapping, never released */
> @@ -200,6 +200,7 @@ static int __init omap_l2_cache_init(void)
>  	 * 16-way associativity, parity disabled
>  	 * Way size - 32KB (es1.0)
>  	 * Way size - 64KB (es2.0 +)
> +	 * Way size - 16KB (am43xx)
>  	 */
>  	aux_ctrl = ((1 << L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT) |
>  			(0x1 << 25) |
> @@ -208,6 +209,11 @@ static int __init omap_l2_cache_init(void)
>  
>  	if (omap_rev() == OMAP4430_REV_ES1_0) {
>  		aux_ctrl |= 0x2 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT;
> +	} else if (soc_is_am43xx()) {
> +		aux_ctrl |= ((0x1 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT) |

NAK.  This is cargo cult programming.  Again, this code is entirely
removed by my L2 cache series.

-- 
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