MIPS: Use EI/DI for MIPS R2.

For MIPS R2, use the EI and DI instructions to enable and disable
interrupts.

Signed-off-by: Tomaso Paoletti <tpaoletti@caviumnetworks.com>
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h
index 7a881755800f..6c8342ae74db 100644
--- a/arch/mips/include/asm/asmmacro.h
+++ b/arch/mips/include/asm/asmmacro.h
@@ -35,6 +35,16 @@
         mtc0    \reg, CP0_TCSTATUS
         _ehb
         .endm
+#elif defined(CONFIG_CPU_MIPSR2)
+        .macro  local_irq_enable reg=t0
+        ei
+        irq_enable_hazard
+        .endm
+
+        .macro  local_irq_disable reg=t0
+        di
+        irq_disable_hazard
+        .endm
 #else
         .macro  local_irq_enable reg=t0
         mfc0    \reg, CP0_STATUS