43 lines
936 B
C
43 lines
936 B
C
|
/*
|
||
|
* Copyright 2021 NXP
|
||
|
*
|
||
|
* SPDX-License-Identifier: BSD-3-Clause
|
||
|
*
|
||
|
*/
|
||
|
#include <cci.h>
|
||
|
#include <common/debug.h>
|
||
|
#include <ls_interconnect.h>
|
||
|
#include <mmio.h>
|
||
|
|
||
|
#include <platform_def.h>
|
||
|
|
||
|
void erratum_a008850_early(void)
|
||
|
{
|
||
|
/* part 1 of 2 */
|
||
|
uintptr_t cci_base = NXP_CCI_ADDR;
|
||
|
uint32_t val = mmio_read_32(cci_base + CTRL_OVERRIDE_REG);
|
||
|
|
||
|
/* enabling forced barrier termination on CCI400 */
|
||
|
mmio_write_32(cci_base + CTRL_OVERRIDE_REG,
|
||
|
(val | CCI_TERMINATE_BARRIER_TX));
|
||
|
|
||
|
}
|
||
|
|
||
|
void erratum_a008850_post(void)
|
||
|
{
|
||
|
/* part 2 of 2 */
|
||
|
uintptr_t cci_base = NXP_CCI_ADDR;
|
||
|
uint32_t val = mmio_read_32(cci_base + CTRL_OVERRIDE_REG);
|
||
|
|
||
|
/* Clear the BARRIER_TX bit */
|
||
|
val = val & ~(CCI_TERMINATE_BARRIER_TX);
|
||
|
|
||
|
/*
|
||
|
* Disable barrier termination on CCI400, allowing
|
||
|
* barriers to propagate across CCI
|
||
|
*/
|
||
|
mmio_write_32(cci_base + CTRL_OVERRIDE_REG, val);
|
||
|
|
||
|
INFO("SoC workaround for Errata A008850 Post-Phase was applied\n");
|
||
|
}
|