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#include <linux/linkage.h>
#include <init.h>
#include <asm/system.h>
#include <asm/assembler64.h>
.section ".text_bare_init_","ax"
ENTRY(arm_cpu_lowlevel_init)
switch_el x1, 3f, 2f, 1f
3:
mov x0, #1 /* Non-Secure EL0/1 */
orr x0, x0, #(1 << 10) /* 64-bit EL2 */
msr scr_el3, x0
msr cptr_el3, xzr
mrs x0, sctlr_el3
ldr x1, =SCTLR_ELx_FLAGS
bic x0, x0, x1
msr sctlr_el3, x0
isb
b done
2:
mov x0, #0x33ff /* Enable FP/SIMD */
msr cptr_el2, x0
b done
1:
mov x0, #(3 << 20) /* Enable FP/SIMD */
msr cpacr_el1, x0
b done
done:
ret
ENDPROC(arm_cpu_lowlevel_init)
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