Commit 870828e5 authored by James Morse's avatar James Morse Committed by Will Deacon

arm64: kernel: Move config_sctlr_el1

Later patches need config_sctlr_el1 to set/clear bits in the sctlr_el1
register.

This patch moves this function into header a file.
Acked-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: default avatarJames Morse <james.morse@arm.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent fc032421
......@@ -81,9 +81,6 @@
#define ID_AA64MMFR0_BIGEND(mmfr0) \
(((mmfr0) & ID_AA64MMFR0_BIGEND_MASK) >> ID_AA64MMFR0_BIGEND_SHIFT)
#define SCTLR_EL1_CP15BEN (0x1 << 5)
#define SCTLR_EL1_SED (0x1 << 8)
#ifndef __ASSEMBLY__
/*
......
......@@ -20,6 +20,9 @@
#ifndef __ASM_SYSREG_H
#define __ASM_SYSREG_H
#define SCTLR_EL1_CP15BEN (0x1 << 5)
#define SCTLR_EL1_SED (0x1 << 8)
#define sys_reg(op0, op1, crn, crm, op2) \
((((op0)-2)<<19)|((op1)<<16)|((crn)<<12)|((crm)<<8)|((op2)<<5))
......@@ -55,6 +58,15 @@ asm(
" .endm\n"
);
static inline void config_sctlr_el1(u32 clear, u32 set)
{
u32 val;
asm volatile("mrs %0, sctlr_el1" : "=r" (val));
val &= ~clear;
val |= set;
asm volatile("msr sctlr_el1, %0" : : "r" (val));
}
#endif
#endif /* __ASM_SYSREG_H */
......@@ -16,6 +16,7 @@
#include <asm/insn.h>
#include <asm/opcodes.h>
#include <asm/sysreg.h>
#include <asm/system_misc.h>
#include <asm/traps.h>
#include <asm/uaccess.h>
......@@ -504,16 +505,6 @@ static int cp15barrier_handler(struct pt_regs *regs, u32 instr)
return 0;
}
static inline void config_sctlr_el1(u32 clear, u32 set)
{
u32 val;
asm volatile("mrs %0, sctlr_el1" : "=r" (val));
val &= ~clear;
val |= set;
asm volatile("msr sctlr_el1, %0" : : "r" (val));
}
static int cp15_barrier_set_hw_mode(bool enable)
{
if (enable)
......
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