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Commit d0ba3544 authored by Markos Chandras's avatar Markos Chandras Committed by Ralf Baechle
Browse files

MIPS: malta: Add support for SMP EVA 



Allow secondary cores to program their segment control registers
during smp bootstrap code. This enables EVA on Malta SMP
configurations

Signed-off-by: default avatarMarkos Chandras <markos.chandras@imgtec.com>
parent 2f284eac

arch/mips/include/asm/mach-malta/kernel-entry-init.h

+6 −0
Original line number Diff line number Diff line
@@ -154,6 +154,12 @@ 
 * Do SMP slave processor setup necessary before we can safely execute C code.

 */

	.macro	smp_slave_setup

#ifdef CONFIG_EVA

	sync

	ehb

	mfc0    t1, CP0_CONFIG

	eva_entry

#endif

	.endm



#endif /* __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H */

arch/mips/kernel/head.S

+1 −1
Original line number Diff line number Diff line
@@ -175,8 +175,8 @@ NESTED(smp_bootstrap, 16, sp) 
	DMT	10	# dmt t2 /* t0, t1 are used by CLI and setup_c0_status() */

	jal	mips_ihb

#endif /* CONFIG_MIPS_MT_SMTC */

	setup_c0_status_sec

	smp_slave_setup

	setup_c0_status_sec

#ifdef CONFIG_MIPS_MT_SMTC

	andi	t2, t2, VPECONTROL_TE

	beqz	t2, 2f