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/*
* Copyright (C) 2015 - 2018 Marvell International Ltd.
*
* SPDX-License-Identifier: BSD-3-Clause
* https://spdx.org/licenses
*/
#include <assert.h>
#include <cache_llc.h>
#include <mmio.h>
#include <plat_def.h>
void llc_cache_sync(int ap_index)
{
mmio_write_32(LLC_CACHE_SYNC(ap_index), 0);
/* Atumic write no need to wait */
}
void llc_flush_all(int ap_index)
{
mmio_write_32(L2X0_CLEAN_INV_WAY(ap_index), LLC_WAY_MASK);
llc_cache_sync(ap_index);
}
void llc_clean_all(int ap_index)
{
mmio_write_32(L2X0_CLEAN_WAY(ap_index), LLC_WAY_MASK);
llc_cache_sync(ap_index);
}
void llc_inv_all(int ap_index)
{
mmio_write_32(L2X0_INV_WAY(ap_index), LLC_WAY_MASK);
llc_cache_sync(ap_index);
}
void llc_disable(int ap_index)
{
llc_flush_all(ap_index);
mmio_write_32(LLC_CTRL(ap_index), 0);
__asm__ volatile("dsb st");
}
void llc_enable(int ap_index, int excl_mode)
{
uint32_t val;
__asm__ volatile("dsb sy");
llc_inv_all(ap_index);
__asm__ volatile("dsb sy");
val = LLC_CTRL_EN;
if (excl_mode)
val |= LLC_EXCLUSIVE_EN;
mmio_write_32(LLC_CTRL(ap_index), val);
__asm__ volatile("dsb sy");
}
int llc_is_exclusive(int ap_index)
{
uint32_t reg;
reg = mmio_read_32(LLC_CTRL(ap_index));
if ((reg & (LLC_CTRL_EN | LLC_EXCLUSIVE_EN)) == (LLC_CTRL_EN | LLC_EXCLUSIVE_EN))
return 1;
return 0;
}
void llc_save(int ap_index)
{
/* TBD */
}
void llc_resume(int ap_index)
{
/* TBD */
}
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