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authorTom Rini <trini@konsulko.com>2015-03-10 19:09:18 -0400
committerTom Rini <trini@konsulko.com>2015-03-10 19:09:18 -0400
commitb79dadf846e5e140e261bbfa4decd024357702d7 (patch)
treebbfed4207c806f34ceb4b608e62cc4fbfa98f91f /arch/arm/include/asm/macro.h
parent1fc42018a0fe833a4332f8f32d6aeb675f3dcd1d (diff)
parentd5338c693e6a35a7108c184839d688a7377d117c (diff)
Merge branch 'master' of git://git.denx.de/u-boot-tegra
Conflicts: README Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'arch/arm/include/asm/macro.h')
-rw-r--r--arch/arm/include/asm/macro.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/include/asm/macro.h b/arch/arm/include/asm/macro.h
index 3b3146ab22..3cf3307b37 100644
--- a/arch/arm/include/asm/macro.h
+++ b/arch/arm/include/asm/macro.h
@@ -74,6 +74,28 @@ lr .req x30
.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.
*/