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authorAlexander Stein <alexanders83@web.de>2015-07-24 09:22:10 +0200
committerTom Rini <trini@konsulko.com>2015-08-12 20:47:41 -0400
commit2085ae74dee47ed3da63416aac0305936b43eeea (patch)
tree8739d32fffb98508984cf9aa7d5a764136d1b6da /arch
parentb16a52b9b5185176a8923476bebc2e0bc29148da (diff)
downloadblackbird-obmc-uboot-2085ae74dee47ed3da63416aac0305936b43eeea.tar.gz
blackbird-obmc-uboot-2085ae74dee47ed3da63416aac0305936b43eeea.zip
arm1136/arm1176: Merge cache handling code
As both cores are similar merge the cache handling code for both CPUs to arm11 directory. Signed-off-by: Alexander Stein <alexanders83@web.de> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Tested-by: Stephen Warren <swarren@wwwdotorg.org> [trini: Add hunk to arch/arm/cpu/arm1136/Makefile] Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/cpu/arm11/Makefile8
-rw-r--r--arch/arm/cpu/arm11/cpu.c (renamed from arch/arm/cpu/arm1136/cpu.c)0
-rw-r--r--arch/arm/cpu/arm1136/Makefile2
-rw-r--r--arch/arm/cpu/arm1176/Makefile4
-rw-r--r--arch/arm/cpu/arm1176/cpu.c51
5 files changed, 12 insertions, 53 deletions
diff --git a/arch/arm/cpu/arm11/Makefile b/arch/arm/cpu/arm11/Makefile
new file mode 100644
index 0000000000..2379b0fe10
--- /dev/null
+++ b/arch/arm/cpu/arm11/Makefile
@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y = cpu.o
diff --git a/arch/arm/cpu/arm1136/cpu.c b/arch/arm/cpu/arm11/cpu.c
index 5d4b3c2a02..5d4b3c2a02 100644
--- a/arch/arm/cpu/arm1136/cpu.c
+++ b/arch/arm/cpu/arm11/cpu.c
diff --git a/arch/arm/cpu/arm1136/Makefile b/arch/arm/cpu/arm1136/Makefile
index 56a9390b01..dbdafeb47f 100644
--- a/arch/arm/cpu/arm1136/Makefile
+++ b/arch/arm/cpu/arm1136/Makefile
@@ -6,7 +6,7 @@
#
extra-y = start.o
-obj-y = cpu.o
+obj-y += ../arm11/
obj-$(CONFIG_MX31) += mx31/
obj-$(CONFIG_MX35) += mx35/
diff --git a/arch/arm/cpu/arm1176/Makefile b/arch/arm/cpu/arm1176/Makefile
index deec427447..cd6dc9c130 100644
--- a/arch/arm/cpu/arm1176/Makefile
+++ b/arch/arm/cpu/arm1176/Makefile
@@ -8,5 +8,7 @@
# SPDX-License-Identifier: GPL-2.0+
#
+obj- += dummy.o
extra-y = start.o
-obj-y = cpu.o
+
+obj-y += ../arm11/
diff --git a/arch/arm/cpu/arm1176/cpu.c b/arch/arm/cpu/arm1176/cpu.c
deleted file mode 100644
index 2d81651215..0000000000
--- a/arch/arm/cpu/arm1176/cpu.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * (C) Copyright 2004 Texas Insturments
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-/*
- * CPU specific code
- */
-
-#include <common.h>
-#include <command.h>
-#include <asm/system.h>
-
-static void cache_flush (void);
-
-int cleanup_before_linux (void)
-{
- /*
- * this function is called just before we call linux
- * it prepares the processor for linux
- *
- * we turn off caches etc ...
- */
-
- disable_interrupts ();
-
- /* turn off I/D-cache */
- icache_disable();
- dcache_disable();
- /* flush I/D-cache */
- cache_flush();
-
- return 0;
-}
-
-/* flush I/D-cache */
-static void cache_flush (void)
-{
- /* invalidate both caches and flush btb */
- asm ("mcr p15, 0, %0, c7, c7, 0": :"r" (0));
- /* mem barrier to sync things */
- asm ("mcr p15, 0, %0, c7, c10, 4": :"r" (0));
-}
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