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authorErik Gilling <konkers@android.com>2010-01-21 16:53:02 -0800
committerErik Gilling <konkers@android.com>2010-08-05 14:51:42 -0700
commitc5f800656bc985b448b1d848d309648826536543 (patch)
treeefac337e79b73bf24ce639840e41f77bcd46d707 /arch/arm/mach-tegra/common.c
parentcdd854bc42b5e6c79bbbc40c6600d995ffe6e747 (diff)
[ARM] tegra: initial tegra support
v2: Fixes from Mike Rapoport - remove unused header files (mach/dma.h and mach/nand.h) - remove tegra 1 references from Makefile.boot v2: fixes from Russell King - remove mach/io.h include from mach/iomap.h - fix whitespace in Kconfig v2: from Colin Cross - fix invalid immediate in debug-macro.S v3: - allow selection of multiple boards Signed-off-by: Colin Cross <ccross@android.com> Signed-off-by: Erik Gilling <konkers@android.com>
Diffstat (limited to 'arch/arm/mach-tegra/common.c')
-rw-r--r--arch/arm/mach-tegra/common.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c
new file mode 100644
index 00000000000..20875ee8f03
--- /dev/null
+++ b/arch/arm/mach-tegra/common.c
@@ -0,0 +1,44 @@
+/*
+ * arch/arm/mach-tegra/board-harmony.c
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/io.h>
+
+#include <asm/hardware/cache-l2x0.h>
+
+#include <mach/iomap.h>
+
+#include "board.h"
+
+void __init tegra_init_cache(void)
+{
+#ifdef CONFIG_CACHE_L2X0
+ void __iomem *p = IO_ADDRESS(TEGRA_ARM_PERIF_BASE) + 0x3000;
+
+ writel(0x331, p + L2X0_TAG_LATENCY_CTRL);
+ writel(0x441, p + L2X0_DATA_LATENCY_CTRL);
+
+ l2x0_init(p, 0x6C080001, 0x8200c3fe);
+#endif
+}
+
+void __init tegra_common_init(void)
+{
+ tegra_init_cache();
+}