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soc: same70: always enable data cache

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Now that the SAM Ethernet driver can work when the cached is enabled, it
is possible to unconditionally enable the data cache on the SAM E70 SoC.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Aurelien Jarno 2018-12-08 01:49:12 +01:00 • committed by Maureen Helm
commit 847a33d161
1 changed files with 0 additions and 8 deletions
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8
soc/arm/atmel_sam/same70/soc.c
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@ -229,17 +229,9 @@ static int atmel_same70_init(struct device *arg)
SCB_EnableICache();
/*
* The Atmel SAM GMAC Ethernet driver is using a scatter-gather technique
* to exchange data with the Ethernet driver. This requires the use use of
* a non-cached memory area. This is currently not supported on Zephyr, so
* do not enable the cache in that case.
*/
#ifndef CONFIG_ETH_SAM_GMAC
if (!(SCB->CCR & SCB_CCR_DC_Msk)) {
SCB_EnableDCache();
}
#endif
/* Clear all faults */
_ClearFaults();