u-boot/arch/arm/cpu/arm926ejs/kirkwood/cache.c

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/*
* Copyright (c) 2012 Michael Walle
* Michael Walle <michael@walle.cc>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc.
*/
#include <common.h>
#include <asm/arch/cpu.h>
#define FEROCEON_EXTRA_FEATURE_L2C_EN (1<<22)
void l2_cache_disable()
{
u32 ctrl;
ctrl = readfr_extra_feature_reg();
ctrl &= ~FEROCEON_EXTRA_FEATURE_L2C_EN;
writefr_extra_feature_reg(ctrl);
}