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-rw-r--r--src/arch/arm64/armv8/Kconfig12
-rw-r--r--src/arch/arm64/stage_entry.S16
-rw-r--r--src/soc/nvidia/tegra132/Kconfig1
3 files changed, 4 insertions, 25 deletions
diff --git a/src/arch/arm64/armv8/Kconfig b/src/arch/arm64/armv8/Kconfig
index 88cd8cd9dd..02a8dba93b 100644
--- a/src/arch/arm64/armv8/Kconfig
+++ b/src/arch/arm64/armv8/Kconfig
@@ -13,15 +13,3 @@ config ARCH_ROMSTAGE_ARMV8_64
config ARCH_RAMSTAGE_ARMV8_64
def_bool n
select ARCH_RAMSTAGE_ARM64
-
-config ARM64_CPUS_START_IN_EL3
- def_bool n
- depends on ARCH_BOOTBLOCK_ARM_V8_64 || ARCH_ROMSTAGE_ARM_V8_64 || ARCH_RAMSTAGE_ARM_V8_64
-
-config ARM64_CPUS_START_IN_EL2
- def_bool n
- depends on ARCH_BOOTBLOCK_ARM_V8_64 || ARCH_ROMSTAGE_ARM_V8_64 || ARCH_RAMSTAGE_ARM_V8_64
-
-config ARM64_CPUS_START_IN_EL1
- def_bool n
- depends on ARCH_BOOTBLOCK_ARM_V8_64 || ARCH_ROMSTAGE_ARM_V8_64 || ARCH_RAMSTAGE_ARM_V8_64
diff --git a/src/arch/arm64/stage_entry.S b/src/arch/arm64/stage_entry.S
index e323de5d96..301711e8f9 100644
--- a/src/arch/arm64/stage_entry.S
+++ b/src/arch/arm64/stage_entry.S
@@ -19,16 +19,8 @@
#include <arch/asm.h>
-
-#if CONFIG_ARM64_CPUS_START_IN_EL3
-#define SCTLR_ELx sctlr_el3
-#elif CONFIG_ARM64_CPUS_START_IN_EL2
-#define SCTLR_ELx sctlr_el2
-#elif CONFIG_ARM64_CPUS_START_IN_EL1
-#define SCTLR_ELx sctlr_el1
-#else
-#error Need to know what ELx processor starts up in.
-#endif
+#define __ASSEMBLY__
+#include <arch/lib_helpers.h>
#define STACK_SZ CONFIG_STACK_SIZE
#define EXCEPTION_STACK_SZ CONFIG_STACK_SIZE
@@ -109,12 +101,12 @@ ENTRY(arm64_c_environment)
ENDPROC(arm64_c_environment)
CPU_RESET_ENTRY(arm64_cpu_startup)
- mrs x0, SCTLR_ELx
+ read_current x0, sctlr
bic x0, x0, #(1 << 25) /* Little Endian */
bic x0, x0, #(1 << 19) /* XN not enforced */
bic x0, x0, #(1 << 12) /* Disable Instruction Cache */
bic x0, x0, #0xf /* Clear SA, C, A, and M */
- msr SCTLR_ELx, x0
+ write_current sctlr, x0, x1
isb
b arm64_c_environment
ENDPROC(arm64_cpu_startup)
diff --git a/src/soc/nvidia/tegra132/Kconfig b/src/soc/nvidia/tegra132/Kconfig
index d7e2786ffb..dd4017c52e 100644
--- a/src/soc/nvidia/tegra132/Kconfig
+++ b/src/soc/nvidia/tegra132/Kconfig
@@ -5,7 +5,6 @@ config SOC_NVIDIA_TEGRA132
select ARCH_VERSTAGE_ARMV4
select ARCH_ROMSTAGE_ARMV4
select ARCH_RAMSTAGE_ARMV8_64
- select ARM64_CPUS_START_IN_EL3
select BOOTBLOCK_CONSOLE
select HAVE_MONOTONIC_TIMER
select HAVE_HARD_RESET