diff --git a/bl1/aarch64/bl1_arch_setup.c b/bl1/aarch64/bl1_arch_setup.c index 5725bac1283767185b72a10fe1971537e3cfe9b3..34f36bbf6d72fee35e22ead6b0f7d26bfa71a924 100644 --- a/bl1/aarch64/bl1_arch_setup.c +++ b/bl1/aarch64/bl1_arch_setup.c @@ -46,11 +46,9 @@ void bl1_arch_setup(void) isb(); /* - * Enable HVCs, route FIQs to EL3, set the next EL to be AArch64, route - * external abort and SError interrupts to EL3 + * Enable HVCs, route FIQs to EL3 and set the next EL to be AArch64 */ - tmp_reg = SCR_RES1_BITS | SCR_RW_BIT | SCR_HCE_BIT | SCR_EA_BIT | - SCR_FIQ_BIT; + tmp_reg = SCR_RES1_BITS | SCR_RW_BIT | SCR_HCE_BIT | SCR_FIQ_BIT; write_scr(tmp_reg); /* diff --git a/bl31/aarch64/bl31_arch_setup.c b/bl31/aarch64/bl31_arch_setup.c index ad73de022eb6872c694db90869f8b40b08647cc5..eb9986c320e7529a6dc8a63446c4eacaeb5507f5 100644 --- a/bl31/aarch64/bl31_arch_setup.c +++ b/bl31/aarch64/bl31_arch_setup.c @@ -51,11 +51,9 @@ void bl31_arch_setup(void) write_sctlr_el3(tmp_reg); /* - * Enable HVCs, route FIQs to EL3, set the next EL to be AArch64, route - * external abort and SError interrupts to EL3 + * Enable HVCs, route FIQs to EL3 and set the next EL to be AArch64 */ - tmp_reg = SCR_RES1_BITS | SCR_RW_BIT | SCR_HCE_BIT | SCR_EA_BIT | - SCR_FIQ_BIT; + tmp_reg = SCR_RES1_BITS | SCR_RW_BIT | SCR_HCE_BIT | SCR_FIQ_BIT; write_scr(tmp_reg); /* diff --git a/docs/firmware-design.md b/docs/firmware-design.md index b20f06b35a85e7b7f5c6f5a005a63b6ff191a7d3..1700007a5b9451b42940c7034d5d5168a1f0f077 100644 --- a/docs/firmware-design.md +++ b/docs/firmware-design.md @@ -152,9 +152,7 @@ BL1 performs minimal architectural initialization as follows. - `SCR`. Use of the HVC instruction from EL1 is enabled by setting the `SCR.HCE` bit. FIQ exceptions are configured to be taken in EL3 by setting the `SCR.FIQ` bit. The register width of the next lower - exception level is set to AArch64 by setting the `SCR.RW` bit. External - Aborts and SError Interrupts are configured to be taken in EL3 by - setting the `SCR.EA` bit. + exception level is set to AArch64 by setting the `SCR.RW` bit. - `CPTR_EL3`. Accesses to the `CPACR_EL1` register from EL1 or EL2, or the `CPTR_EL2` register from EL2 are configured to not trap to EL3 by