[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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improving, and getting towards what was expected from it.
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