[PATCH 2/4] ARM: add Broadcom Brahma-B53 main ID definition

Florian Fainelli f.fainelli at gmail.com
Fri Feb 23 13:09:21 PST 2018


From: Doug Berger <opendmb at gmail.com>

This commit allows a Broadcom Brahma-B53 core to be detected when executing
an arm architecture kernel in aarch32 state.

Signed-off-by: Doug Berger <opendmb at gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 arch/arm/include/asm/cputype.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h
index e7632f536633..6d1c7b22faea 100644
--- a/arch/arm/include/asm/cputype.h
+++ b/arch/arm/include/asm/cputype.h
@@ -59,6 +59,7 @@
 	((mpidr >> (MPIDR_LEVEL_BITS * level)) & MPIDR_LEVEL_MASK)
 
 #define ARM_CPU_IMP_ARM			0x41
+#define ARM_CPU_IMP_BRCM		0x42
 #define ARM_CPU_IMP_DEC			0x44
 #define ARM_CPU_IMP_INTEL		0x69
 
@@ -76,6 +77,9 @@
 #define ARM_CPU_PART_CORTEX_A15		0x4100c0f0
 #define ARM_CPU_PART_MASK		0xff00fff0
 
+/* Broadcom implemented processors */
+#define ARM_CPU_PART_BRAHMA_B53		0x42001000
+
 /* DEC implemented cores */
 #define ARM_CPU_PART_SA1100		0x4400a110
 
-- 
2.14.1




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