linux/arch/arm/mach-bcm/kona_l2_cache.c
Alex Elder eeda4cb92e ARM: bcm: rename "kona.h" and "kona.c"
These source files contain only level-2 cache initialization code,
so rename them to make that fact more obvious.

Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Tim Kryger <tim.kryger@linaro.org>
Reviewed-by: Markus Mayer <markus.mayer@linaro.org>
Reviewed-by: Matt Porter <mporter@linaro.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
2014-04-25 08:51:38 -04:00

47 lines
1.2 KiB
C

/*
* Copyright (C) 2012-2014 Broadcom Corporation
*
* 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 version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; 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/printk.h>
#include <asm/hardware/cache-l2x0.h>
#include "bcm_kona_smc.h"
void __init kona_l2_cache_init(void)
{
unsigned int result;
int ret;
ret = bcm_kona_smc_init();
if (ret) {
pr_info("Secure API not available (%d). Skipping L2 init.\n",
ret);
return;
}
result = bcm_kona_smc(SSAPI_ENABLE_L2_CACHE, 0, 0, 0, 0);
if (result != SEC_ROM_RET_OK) {
pr_err("Secure Monitor call failed (%u)! Skipping L2 init.\n",
result);
return;
}
/*
* The aux_val and aux_mask have no effect since L2 cache is already
* enabled. Pass 0s for aux_val and 1s for aux_mask for default value.
*/
ret = l2x0_of_init(0, ~0);
if (ret)
pr_err("Couldn't enable L2 cache: %d\n", ret);
}