[U-Boot] [PATCHv1 1/4] ARM: pl310: Add macro's for handling tag and data latency mask

Dinh Nguyen dinguyen at kernel.org
Fri Mar 8 16:16:48 UTC 2019


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

Signed-off-by: Dinh Nguyen <dinguyen at kernel.org>
---
 arch/arm/include/asm/pl310.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/include/asm/pl310.h b/arch/arm/include/asm/pl310.h
index b83978b1cc..f69e9e45f8 100644
--- a/arch/arm/include/asm/pl310.h
+++ b/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)
-- 
2.20.0



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