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Merge "fix(arm): load dt before updating entry point" into integration

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Govindraj Raja 2024-11-08 16:26:05 +01:00 • committed by TrustedFirmware Code Review
commit a5e7d5b158
1 changed files with 13 additions and 12 deletions
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25
plat/arm/common/arm_bl31_setup.c
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@ -367,9 +367,6 @@ void arm_bl31_platform_setup(void)
struct transfer_list_entry *te __unused;
#if TRANSFER_LIST && !RESET_TO_BL31
/* Initialise the non-secure world tl, BL31 may modify the HW_CONFIG so defer
* copying it until later.
*/
ns_tl = transfer_list_init((void *)FW_NS_HANDOFF_BASE,
PLAT_ARM_FW_HANDOFF_SIZE);
@ -378,12 +375,23 @@ void arm_bl31_platform_setup(void)
panic();
}
#if !RESET_TO_BL2
te = transfer_list_find(secure_tl, TL_TAG_FDT);
assert(te != NULL);
/*
* A pre-existing assumption is that FCONF is unsupported w/ RESET_TO_BL2 and
* RESET_TO_BL31. In the case of RESET_TO_BL31 this makes sense because there
* isn't a prior stage to load the device tree, but the reasoning for RESET_TO_BL2 is
* less clear. For the moment hardware properties that would normally be
* derived from the DT are statically defined.
*/
#if !RESET_TO_BL2
fconf_populate("HW_CONFIG", (uintptr_t)transfer_list_entry_data(te));
#endif /* !(RESET_TO_BL2 && RESET_TO_BL31) */
#endif
te = transfer_list_add(ns_tl, TL_TAG_FDT, te->data_size,
transfer_list_entry_data(te));
assert(te != NULL);
#endif /* TRANSFER_LIST */
/* Initialize the GIC driver, cpu and distributor interfaces */
@ -433,13 +441,6 @@ void arm_bl31_plat_runtime_setup(void)
arm_console_runtime_init();
#if TRANSFER_LIST && !RESET_TO_BL31
te = transfer_list_find(secure_tl, TL_TAG_FDT);
assert(te != NULL);
te = transfer_list_add(ns_tl, TL_TAG_FDT, te->data_size,
transfer_list_entry_data(te));
assert(te != NULL);
/*
* We assume BL31 has added all TE's required by BL33 at this stage, ensure
* that data is visible to all observers by performing a flush operation, so