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ARM: pl310: Add macro's for handling tag and data latency mask

Add the PL310 macros for latency control setup, read and write bits.

Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Dinh Nguyen 5 vuotta sitten
vanhempi
commit
2bac27ce94
1 muutettua tiedostoa jossa 3 lisäystä ja 0 poistoa
  1. 3 0
      arch/arm/include/asm/pl310.h

+ 3 - 0
arch/arm/include/asm/pl310.h

@@ -18,6 +18,9 @@
 #define L310_SHARED_ATT_OVERRIDE_ENABLE		(1 << 22)
 #define L310_AUX_CTRL_DATA_PREFETCH_MASK	(1 << 28)
 #define L310_AUX_CTRL_INST_PREFETCH_MASK	(1 << 29)
+#define L310_LATENCY_CTRL_SETUP(n)		((n) << 0)
+#define L310_LATENCY_CTRL_RD(n)			((n) << 4)
+#define L310_LATENCY_CTRL_WR(n)			((n) << 8)
 
 #define L2X0_CACHE_ID_PART_MASK     (0xf << 6)
 #define L2X0_CACHE_ID_PART_L310     (3 << 6)