arch/arm/mach-tegra/common.c

   1 /*
   2  * arch/arm/mach-tegra/board-harmony.c
   3  *
   4  * Copyright (C) 2010 Google, Inc.
   5  *
   6  * Author:
   7  *      Colin Cross <ccross@android.com>
   8  *
   9  * This software is licensed under the terms of the GNU General Public
  10  * License version 2, as published by the Free Software Foundation, and
  11  * may be copied, distributed, and modified under those terms.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  */
  19
  20 #include <linux/init.h>
  21 #include <linux/io.h>
  22
  23 #include <asm/hardware/cache-l2x0.h>
  24
  25 #include <mach/iomap.h>
  26
  27 #include "board.h"
  28
  29 void __init tegra_init_cache(void)
  30 {
  31 #ifdef CONFIG_CACHE_L2X0
  32         void __iomem *p = IO_ADDRESS(TEGRA_ARM_PERIF_BASE) + 0x3000;
  33
  34         writel(0x331, p + L2X0_TAG_LATENCY_CTRL);
  35         writel(0x441, p + L2X0_DATA_LATENCY_CTRL);
  36
  37         l2x0_init(p, 0x6C080001, 0x8200c3fe);
  38 #endif
  39 }
  40
  41 void __init tegra_common_init(void)
  42 {
  43         tegra_init_cache();
  44 }