diff options
| author | davidcunado-arm <david.cunado@arm.com> | 2017-12-09 23:10:24 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-12-09 23:10:24 +0000 |
| commit | 9f0ee04f5d5341f7686f238529bc8d690ddf3b00 (patch) | |
| tree | 19991f99ac0c49611ddafed7fd7365c4915b7122 /plat/arm | |
| parent | 62854fce5dcfb97623115e3d74c163fe70737e27 (diff) | |
| parent | 7d44ac1efff956dc19a074fa02703c30bd8d3ca8 (diff) | |
Merge pull request #1184 from antonio-nino-diaz-arm/an/bl31-in-dram
fvp: Disable SYSTEM_SUSPEND when ARM_BL31_IN_DRAM
Diffstat (limited to 'plat/arm')
| -rw-r--r-- | plat/arm/board/fvp/fvp_pm.c | 16 | ||||
| -rw-r--r-- | plat/arm/board/fvp/include/platform_def.h | 1 |
2 files changed, 13 insertions, 4 deletions
diff --git a/plat/arm/board/fvp/fvp_pm.c b/plat/arm/board/fvp/fvp_pm.c index 13bd8f23..72845843 100644 --- a/plat/arm/board/fvp/fvp_pm.c +++ b/plat/arm/board/fvp/fvp_pm.c @@ -402,12 +402,20 @@ plat_psci_ops_t plat_arm_psci_pm_ops = { .validate_ns_entrypoint = arm_validate_psci_entrypoint, .translate_power_state_by_mpidr = fvp_translate_power_state_by_mpidr, .get_node_hw_state = fvp_node_hw_state, +#if !ARM_BL31_IN_DRAM + /* + * The TrustZone Controller is set up during the warmboot sequence after + * resuming the CPU from a SYSTEM_SUSPEND. If BL31 is located in SRAM + * this is not a problem but, if it is in TZC-secured DRAM, it tries to + * reconfigure the same memory it is running on, causing an exception. + */ .get_sys_suspend_power_state = fvp_get_sys_suspend_power_state, -/* - * mem_protect is not supported in RESET_TO_BL31 and RESET_TO_SP_MIN, - * as that would require mapping in all of NS DRAM into BL31 or BL32. - */ +#endif #if !RESET_TO_BL31 && !RESET_TO_SP_MIN + /* + * mem_protect is not supported in RESET_TO_BL31 and RESET_TO_SP_MIN, + * as that would require mapping in all of NS DRAM into BL31 or BL32. + */ .mem_protect_chk = arm_psci_mem_protect_chk, .read_mem_protect = arm_psci_read_mem_protect, .write_mem_protect = arm_nor_psci_write_mem_protect, diff --git a/plat/arm/board/fvp/include/platform_def.h b/plat/arm/board/fvp/include/platform_def.h index 310db7b6..7080fc30 100644 --- a/plat/arm/board/fvp/include/platform_def.h +++ b/plat/arm/board/fvp/include/platform_def.h @@ -8,6 +8,7 @@ #define __PLATFORM_DEF_H__ #include <arm_def.h> +#include <arm_spm_def.h> #include <board_arm_def.h> #include <common_def.h> #include <tzc400.h> |