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| author | Markos Chandras <markos.chandras@imgtec.com> | 2014-01-21 09:52:23 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-03-26 23:09:20 +0100 |
| commit | d0ba3544a5ca185f69688fa0b51b187d3e78e31a (patch) | |
| tree | 2c537ab9bdd08db76db94290dfd91884674c0915 | |
| parent | 2f284eac283704429f94c828d98a370c4a8f8926 (diff) | |
| download | blackbird-op-linux-d0ba3544a5ca185f69688fa0b51b187d3e78e31a.tar.gz blackbird-op-linux-d0ba3544a5ca185f69688fa0b51b187d3e78e31a.zip | |
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: Markos Chandras <markos.chandras@imgtec.com>
| -rw-r--r-- | arch/mips/include/asm/mach-malta/kernel-entry-init.h | 6 | ||||
| -rw-r--r-- | arch/mips/kernel/head.S | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/arch/mips/include/asm/mach-malta/kernel-entry-init.h b/arch/mips/include/asm/mach-malta/kernel-entry-init.h index 9bace9c746d4..7c5e17a17849 100644 --- a/arch/mips/include/asm/mach-malta/kernel-entry-init.h +++ b/arch/mips/include/asm/mach-malta/kernel-entry-init.h @@ -154,6 +154,12 @@ nonsc_processor: * 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 */ diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S index 7b6a5b3e3acf..e712dcf18b2d 100644 --- a/arch/mips/kernel/head.S +++ b/arch/mips/kernel/head.S @@ -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 |
