2013-10-25 09:08:21 +01:00
|
|
|
/*
|
2021-05-23 13:16:46 +01:00
|
|
|
* Copyright (c) 2013-2021, ARM Limited and Contributors. All rights reserved.
|
2013-10-25 09:08:21 +01:00
|
|
|
*
|
2017-05-03 09:38:09 +01:00
|
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
2013-10-25 09:08:21 +01:00
|
|
|
*/
|
|
|
|
|
2020-03-20 18:38:55 +00:00
|
|
|
#include <assert.h>
|
2021-05-23 13:16:46 +01:00
|
|
|
#include <errno.h>
|
2020-03-20 18:38:55 +00:00
|
|
|
|
|
|
|
#include <bl1/bl1.h>
|
2018-12-14 00:18:21 +00:00
|
|
|
#include <common/tbbr/tbbr_img_def.h>
|
2019-05-09 12:14:40 +01:00
|
|
|
#include <drivers/arm/smmu_v3.h>
|
2019-04-16 06:59:14 +01:00
|
|
|
#include <drivers/arm/sp805.h>
|
2021-05-23 13:16:46 +01:00
|
|
|
#include <lib/mmio.h>
|
2019-05-09 12:14:40 +01:00
|
|
|
#include <plat/arm/common/arm_config.h>
|
2019-01-25 14:30:04 +00:00
|
|
|
#include <plat/arm/common/plat_arm.h>
|
2019-04-16 06:59:14 +01:00
|
|
|
#include <plat/arm/common/arm_def.h>
|
2018-12-14 00:18:21 +00:00
|
|
|
#include <plat/common/platform.h>
|
|
|
|
#include "fvp_private.h"
|
2013-10-25 09:08:21 +01:00
|
|
|
|
|
|
|
/*******************************************************************************
|
|
|
|
* Perform any BL1 specific platform actions.
|
|
|
|
******************************************************************************/
|
|
|
|
void bl1_early_platform_setup(void)
|
|
|
|
{
|
2015-03-19 19:17:53 +00:00
|
|
|
arm_bl1_early_platform_setup();
|
2014-06-13 14:48:18 +01:00
|
|
|
|
2013-10-30 17:41:48 +00:00
|
|
|
/* Initialize the platform config for future decision making */
|
2014-05-15 14:53:30 +01:00
|
|
|
fvp_config_setup();
|
2013-10-25 09:08:21 +01:00
|
|
|
|
2015-03-19 19:17:53 +00:00
|
|
|
/*
|
2016-02-15 11:54:14 +00:00
|
|
|
* Initialize Interconnect for this cluster during cold boot.
|
2015-03-19 19:17:53 +00:00
|
|
|
* No need for locks as no other CPU is active.
|
|
|
|
*/
|
2016-02-15 11:54:14 +00:00
|
|
|
fvp_interconnect_init();
|
2015-03-19 19:17:53 +00:00
|
|
|
/*
|
2016-02-15 11:54:14 +00:00
|
|
|
* Enable coherency in Interconnect for the primary CPU's cluster.
|
2015-03-19 19:17:53 +00:00
|
|
|
*/
|
2016-02-15 11:54:14 +00:00
|
|
|
fvp_interconnect_enable();
|
2014-04-15 18:08:08 +01:00
|
|
|
}
|
2019-04-16 06:59:14 +01:00
|
|
|
|
|
|
|
void plat_arm_secure_wdt_start(void)
|
|
|
|
{
|
|
|
|
sp805_start(ARM_SP805_TWDG_BASE, ARM_TWDG_LOAD_VAL);
|
|
|
|
}
|
|
|
|
|
|
|
|
void plat_arm_secure_wdt_stop(void)
|
|
|
|
{
|
|
|
|
sp805_stop(ARM_SP805_TWDG_BASE);
|
|
|
|
}
|
2019-05-09 12:14:40 +01:00
|
|
|
|
|
|
|
void bl1_platform_setup(void)
|
|
|
|
{
|
|
|
|
arm_bl1_platform_setup();
|
|
|
|
|
2019-08-16 14:15:59 +01:00
|
|
|
/* Initialize System level generic or SP804 timer */
|
|
|
|
fvp_timer_init();
|
|
|
|
|
2019-05-09 12:14:40 +01:00
|
|
|
/* On FVP RevC, initialize SMMUv3 */
|
|
|
|
if ((arm_config.flags & ARM_CONFIG_FVP_HAS_SMMUV3) != 0U)
|
|
|
|
smmuv3_security_init(PLAT_FVP_SMMUV3_BASE);
|
|
|
|
}
|
2019-07-04 14:58:45 +01:00
|
|
|
|
|
|
|
__dead2 void bl1_plat_fwu_done(void *client_cookie, void *reserved)
|
|
|
|
{
|
2021-05-23 13:16:46 +01:00
|
|
|
uint32_t nv_flags = mmio_read_32(V2M_SYS_NVFLAGS_ADDR);
|
|
|
|
|
|
|
|
/* Clear the NV flags register. */
|
|
|
|
mmio_write_32((V2M_SYSREGS_BASE + V2M_SYS_NVFLAGSCLR),
|
|
|
|
nv_flags);
|
|
|
|
|
2019-07-04 14:58:45 +01:00
|
|
|
/* Setup the watchdog to reset the system as soon as possible */
|
|
|
|
sp805_refresh(ARM_SP805_TWDG_BASE, 1U);
|
|
|
|
|
2020-08-06 16:50:15 +01:00
|
|
|
while (true)
|
2019-07-04 14:58:45 +01:00
|
|
|
wfi();
|
|
|
|
}
|
2020-03-20 18:38:55 +00:00
|
|
|
|
2021-05-23 13:16:46 +01:00
|
|
|
/*******************************************************************************
|
|
|
|
* The following function checks if Firmware update is needed by checking error
|
|
|
|
* reported in NV flag.
|
|
|
|
******************************************************************************/
|
|
|
|
bool plat_arm_bl1_fwu_needed(void)
|
|
|
|
{
|
|
|
|
int32_t nv_flags = (int32_t)mmio_read_32(V2M_SYS_NVFLAGS_ADDR);
|
|
|
|
|
|
|
|
/* if image load/authentication failed */
|
|
|
|
return ((nv_flags == -EAUTH) || (nv_flags == -ENOENT));
|
|
|
|
}
|