diff options
| author | Remi Pommarel <repk@triplefau.lt> | 2019-07-14 20:49:12 +0200 |
|---|---|---|
| committer | Remi Pommarel <repk@triplefau.lt> | 2019-07-16 17:04:00 +0200 |
| commit | 3c7dcdac5c50c45cb35111a01ecdd7fb93654cb3 (patch) | |
| tree | 708499ae62c092181ae9a3129b493350659d4c3d /plat/marvell | |
| parent | 6e9e15b0b2aa22fca3354417a685320811e243e3 (diff) | |
marvell/a3700: Prevent SError accessing PCIe link while it is down
When the link goes down (e.g. during a retrain), accessing the device
configuration space can trigger an ARM64 SError interrupt. Such
conditions cannot be predicted, so to avoid a crash the SError is
ignored.
Signed-off-by: Remi Pommarel <repk@triplefau.lt>
Change-Id: I2b1fd3296cc1c88b9ca1fe21c0924cb324eed58d
Diffstat (limited to 'plat/marvell')
| -rw-r--r-- | plat/marvell/a3700/common/a3700_common.mk | 2 | ||||
| -rw-r--r-- | plat/marvell/a3700/common/a3700_ea.c | 23 |
2 files changed, 25 insertions, 0 deletions
diff --git a/plat/marvell/a3700/common/a3700_common.mk b/plat/marvell/a3700/common/a3700_common.mk index 64cd4334..1e275673 100644 --- a/plat/marvell/a3700/common/a3700_common.mk +++ b/plat/marvell/a3700/common/a3700_common.mk @@ -13,6 +13,7 @@ PLAT_INCLUDE_BASE := $(MARVELL_PLAT_INCLUDE_BASE)/$(PLAT_FAMILY) PLAT_COMMON_BASE := $(PLAT_FAMILY_BASE)/common MARVELL_DRV_BASE := drivers/marvell MARVELL_COMMON_BASE := $(MARVELL_PLAT_BASE)/common +HANDLE_EA_EL3_FIRST := 1 include $(MARVELL_PLAT_BASE)/marvell.mk @@ -107,6 +108,7 @@ BL31_SOURCES += lib/cpus/aarch64/cortex_a53.S \ $(PLAT_COMMON_BASE)/dram_win.c \ $(PLAT_COMMON_BASE)/io_addr_dec.c \ $(PLAT_COMMON_BASE)/marvell_plat_config.c \ + $(PLAT_COMMON_BASE)/a3700_ea.c \ $(PLAT_FAMILY_BASE)/$(PLAT)/plat_bl31_setup.c \ $(MARVELL_COMMON_BASE)/marvell_ddr_info.c \ $(MARVELL_COMMON_BASE)/marvell_gicv3.c \ diff --git a/plat/marvell/a3700/common/a3700_ea.c b/plat/marvell/a3700/common/a3700_ea.c new file mode 100644 index 00000000..dd46beb5 --- /dev/null +++ b/plat/marvell/a3700/common/a3700_ea.c @@ -0,0 +1,23 @@ +/* + * Copyright (C) 2019 Repk repk@triplefau.lt + * + * SPDX-License-Identifier: BSD-3-Clause + * https://spdx.org/licenses + */ +#include <common/bl_common.h> +#include <common/debug.h> +#include <arch_helpers.h> + +#define ADVK_SERROR_SYNDROME 0xbf000002 + +void plat_ea_handler(unsigned int ea_reason, uint64_t syndrome, void *cookie, + void *handle, uint64_t flags) +{ + if (syndrome != ADVK_SERROR_SYNDROME) { + ERROR("Unhandled External Abort received on 0x%lx at EL3!\n", + read_mpidr_el1()); + ERROR(" exception reason=%u syndrome=0x%llx\n", ea_reason, + syndrome); + panic(); + } +} |