From ca11ac71980cdb4c1bd3b4c2c6549b90fc47b4cc Mon Sep 17 00:00:00 2001
From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Date: Thu, 8 Mar 2018 15:13:24 +0000
Subject: Silicon/SynQuacer: add cache topology information to device tree

Add a DT description of the size and geometry of the various levels
of caches that are present in the SynQuacer SoC.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
---
 .../Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi  |  4 +-
 .../SynQuacer/DeviceTree/SynQuacerCaches.dtsi      | 80 ++++++++++++++++++++++
 2 files changed, 83 insertions(+), 1 deletion(-)
 create mode 100644 Silicon/Socionext/SynQuacer/DeviceTree/SynQuacerCaches.dtsi

(limited to 'Silicon/Socionext/SynQuacer/DeviceTree')

diff --git a/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi b/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi
index fdaccb9844..6e93c6ae16 100644
--- a/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi
+++ b/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi
@@ -1,5 +1,5 @@
 /** @file
- * Copyright (c) 2017, Linaro Limited. All rights reserved.
+ * Copyright (c) 2017 - 2018, Linaro Limited. All rights reserved.
  *
  * This program and the accompanying materials are licensed and made
  * available under the terms and conditions of the BSD License which
@@ -575,3 +575,5 @@
         #size-cells = <0>;
     };
 };
+
+#include "SynQuacerCaches.dtsi"
diff --git a/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacerCaches.dtsi b/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacerCaches.dtsi
new file mode 100644
index 0000000000..1fbcd4aabf
--- /dev/null
+++ b/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacerCaches.dtsi
@@ -0,0 +1,80 @@
+/** @file
+ * Copyright (c) 2018, Linaro Limited. All rights reserved.
+ *
+ * This program and the accompanying materials are licensed and made
+ * available under the terms and conditions of the BSD License which
+ * accompanies this distribution.  The full text of the license may be
+ * found at http://opensource.org/licenses/bsd-license.php
+ *
+ * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
+ * IMPLIED.
+ */
+
+#define __L1(cpuref, l2ref)                 \
+cpuref {                                    \
+    i-cache-size = <0x8000>;                \
+    i-cache-line-size = <64>;               \
+    i-cache-sets = <256>;                   \
+    d-cache-size = <0x8000>;                \
+    d-cache-line-size = <64>;               \
+    d-cache-sets = <128>;                   \
+    l2-cache = <l2ref>;                     \
+};
+
+#define __L2(idx)                           \
+L2_##idx: l2-cache##idx {                   \
+    cache-size = <0x40000>;                 \
+    cache-line-size = <64>;                 \
+    cache-sets = <256>;                     \
+    cache-unified;                          \
+    next-level-cache = <&L3>;               \
+};
+
+/ {
+    __L2(0)
+    __L2(1)
+    __L2(2)
+    __L2(3)
+    __L2(4)
+    __L2(5)
+    __L2(6)
+    __L2(7)
+    __L2(8)
+    __L2(9)
+    __L2(10)
+    __L2(11)
+
+    L3: l3-cache {
+        cache-level = <3>;
+        cache-size = <0x400000>;
+        cache-line-size = <64>;
+        cache-sets = <4096>;
+        cache-unified;
+    };
+};
+
+__L1(&CPU0, &L2_0)
+__L1(&CPU1, &L2_0)
+__L1(&CPU2, &L2_1)
+__L1(&CPU3, &L2_1)
+__L1(&CPU4, &L2_2)
+__L1(&CPU5, &L2_2)
+__L1(&CPU6, &L2_3)
+__L1(&CPU7, &L2_3)
+__L1(&CPU8, &L2_4)
+__L1(&CPU9, &L2_4)
+__L1(&CPU10, &L2_5)
+__L1(&CPU11, &L2_5)
+__L1(&CPU12, &L2_6)
+__L1(&CPU13, &L2_6)
+__L1(&CPU14, &L2_7)
+__L1(&CPU15, &L2_7)
+__L1(&CPU16, &L2_8)
+__L1(&CPU17, &L2_8)
+__L1(&CPU18, &L2_9)
+__L1(&CPU19, &L2_9)
+__L1(&CPU20, &L2_10)
+__L1(&CPU21, &L2_10)
+__L1(&CPU22, &L2_11)
+__L1(&CPU23, &L2_11)
-- 
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