[U-Boot] [U-boot] [Patch 3/6] ARM: keystone2: add MSMC cache coherency support for K2E SOC

[Ivan Khoronzhuk]

From: Hao Zhang <hzhang at ti.com>

This patch adds Keystone2 K2E SOC specific code to support
MSMC cache coherency. Also create header file for msmc to hold
its API.

Acked-by: Murali Karicheri <m-karicheri2 at ti.com>
Signed-off-by: Hao Zhang <hzhang at ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk at ti.com>
---
 arch/arm/cpu/armv7/keystone/init.c            | 12 +++++++-----
 arch/arm/cpu/armv7/keystone/msmc.c            |  4 ++--
 arch/arm/include/asm/arch-keystone/hardware.h |  1 -
 arch/arm/include/asm/arch-keystone/msmc.h     | 17 +++++++++++++++++
 4 files changed, 26 insertions(+), 8 deletions(-)
 create mode 100644 arch/arm/include/asm/arch-keystone/msmc.h

diff --git a/arch/arm/cpu/armv7/keystone/init.c b/arch/arm/cpu/armv7/keystone/init.c
index f4c293a..a8f8aee 100644
--- a/arch/arm/cpu/armv7/keystone/init.c
+++ b/arch/arm/cpu/armv7/keystone/init.c
@@ -10,6 +10,7 @@
 #include <common.h>
 #include <ns16550.h>
 #include <asm/io.h>
+#include <asm/arch/msmc.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/hardware.h>
 
@@ -24,11 +25,12 @@ int arch_cpu_init(void)
 	chip_configuration_unlock();
 	icache_enable();
 
-#ifdef CONFIG_SOC_K2HK
-	share_all_segments(8);
-	share_all_segments(9);
-	share_all_segments(10); /* QM PDSP */
-	share_all_segments(11); /* PCIE */
+	msmc_share_all_segments(8);  /* TETRIS */
+	msmc_share_all_segments(9);  /* NETCP */
+	msmc_share_all_segments(10); /* QM PDSP */
+	msmc_share_all_segments(11); /* PCIE 0 */
+#ifdef CONFIG_SOC_K2E
+	msmc_share_all_segments(13); /* PCIE 1 */
 #endif
 
 	/*
diff --git a/arch/arm/cpu/armv7/keystone/msmc.c b/arch/arm/cpu/armv7/keystone/msmc.c
index af858fa..7d8e597 100644
--- a/arch/arm/cpu/armv7/keystone/msmc.c
+++ b/arch/arm/cpu/armv7/keystone/msmc.c
@@ -8,7 +8,7 @@
  */
 
 #include <common.h>
-#include <asm/arch/hardware.h>
+#include <asm/arch/msmc.h>
 
 struct mpax {
 	u32	mpaxl;
@@ -56,7 +56,7 @@ struct msms_regs {
 };
 
 
-void share_all_segments(int priv_id)
+void msmc_share_all_segments(int priv_id)
 {
 	struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE;
 	int j;
diff --git a/arch/arm/include/asm/arch-keystone/hardware.h b/arch/arm/include/asm/arch-keystone/hardware.h
index 9c86b69..bcfb551 100644
--- a/arch/arm/include/asm/arch-keystone/hardware.h
+++ b/arch/arm/include/asm/arch-keystone/hardware.h
@@ -180,7 +180,6 @@ static inline int cpu_revision(void)
 	return rev;
 }
 
-void share_all_segments(int priv_id);
 int cpu_to_bus(u32 *ptr, u32 length);
 void sdelay(unsigned long);
 
diff --git a/arch/arm/include/asm/arch-keystone/msmc.h b/arch/arm/include/asm/arch-keystone/msmc.h
new file mode 100644
index 0000000..c320db5
--- /dev/null
+++ b/arch/arm/include/asm/arch-keystone/msmc.h
@@ -0,0 +1,17 @@
+/*
+ * MSMC controller
+ *
+ * (C) Copyright 2014
+ *     Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef _MSMC_H_
+#define _MSMC_H_
+
+#include <asm/arch/hardware.h>
+
+void msmc_share_all_segments(int priv_id);
+
+#endif
-- 
1.8.3.2