Thread (2 messages) flat view 2 messages, 1 author, 2021-12-01
STALE1711d

[PATCH 1/2] ARM: Add support for Cortex-M33 processor

From: Vladimir Murzin <hidden>
Date: 2021-12-01 13:31:07
Subsystem: arm port, the rest · Maintainers: Russell King, Linus Torvalds

Cortex-M33 is the first feature rich implementation of the Armv8-M
architecture (still compatible with v7M)

Signed-off-by: Vladimir Murzin <redacted>
---
 arch/arm/mm/proc-v7m.S | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff --git a/arch/arm/mm/proc-v7m.S b/arch/arm/mm/proc-v7m.S
index 84459c1..fc12637 100644
--- a/arch/arm/mm/proc-v7m.S
+++ b/arch/arm/mm/proc-v7m.S
@@ -194,6 +194,16 @@ ENDPROC(__v7m_setup)
 .endm
 
 	/*
+	 * Match ARM Cortex-M33 processor.
+	 */
+	.type	__v7m_cm33_proc_info, #object
+__v7m_cm33_proc_info:
+	.long	0x410fd210		/* ARM Cortex-M33 0xD21 */
+	.long	0xff0ffff0		/* Mask off revision, patch release */
+	__v7m_proc __v7m_cm33_proc_info, __v7m_setup, hwcaps = HWCAP_EDSP
+	.size	__v7m_cm33_proc_info, . - __v7m_cm33_proc_info
+
+	/*
 	 * Match ARM Cortex-M7 processor.
 	 */
 	.type	__v7m_cm7_proc_info, #object
-- 
2.7.4


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