48 строки
1.2 KiB
C
48 строки
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);
|
|
}
|