Commit 0d26ca8e authored by Huacai Chen's avatar Huacai Chen
Browse files

LoongArch: Remove redundant code in head.S 



SETUP_MODES already setup the initial values of CSR.CRMD, CSR.PRMD and
CSR.EUEN, so the redundant open code can be removed.

Fixes: 7b2afeaf ("LoongArch: Adjust boot & setup for 32BIT/64BIT")
Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent 0f61b186

arch/loongarch/kernel/head.S

+0 −8
Original line number Diff line number Diff line
@@ -126,14 +126,6 @@ SYM_CODE_START(smpboot_entry) 
	LONG_LI		t1, CSR_STFILL

	csrxchg		t0, t1, LOONGARCH_CSR_IMPCTL1

#endif

	/* Enable PG */

	li.w		t0, 0xb0		# PLV=0, IE=0, PG=1

	csrwr		t0, LOONGARCH_CSR_CRMD

	li.w		t0, 0x04		# PLV=0, PIE=1, PWE=0

	csrwr		t0, LOONGARCH_CSR_PRMD

	li.w		t0, 0x00		# FPE=0, SXE=0, ASXE=0, BTE=0

	csrwr		t0, LOONGARCH_CSR_EUEN



	la.pcrel	t0, cpuboot_data

	ld.d		sp, t0, CPU_BOOT_STACK

	ld.d		tp, t0, CPU_BOOT_TINFO