Merge git://git.denx.de/u-boot-arc

[u-boot] / arch / arm / include / asm / macro.h

diff --git a/arch/arm/include/asm/macro.h b/arch/arm/include/asm/macro.h
index 3b3146ab2239929544784c8bf3944ab0d8d60ba8..3cf3307b37a44333e4812705d16a344f977a5123 100644 (file)
--- a/arch/arm/include/asm/macro.h
+++ b/arch/arm/include/asm/macro.h
@@ -73,6 +73,28 @@ lr   .req    x30
        b.eq    \el1_label
 .endm
 
+/*
+ * Branch if current processor is a Cortex-A57 core.
+ */
+.macro branch_if_a57_core, xreg, a57_label
+       mrs     \xreg, midr_el1
+       lsr     \xreg, \xreg, #4
+       and     \xreg, \xreg, #0x00000FFF
+       cmp     \xreg, #0xD07           /* Cortex-A57 MPCore processor. */
+       b.eq    \a57_label
+.endm
+
+/*
+ * Branch if current processor is a Cortex-A53 core.
+ */
+.macro branch_if_a53_core, xreg, a53_label
+       mrs     \xreg, midr_el1
+       lsr     \xreg, \xreg, #4
+       and     \xreg, \xreg, #0x00000FFF
+       cmp     \xreg, #0xD03           /* Cortex-A53 MPCore processor. */
+       b.eq    \a53_label
+.endm
+
 /*
  * Branch if current processor is a slave,
  * choose processor with all zero affinity value as the master.