target/cortex_m: support Infineon Cortex-M33 from SLx2 MCU

The secure microcontroller Infineon SLx2 uses a custom Cortex-M33. The register CPUID reports value 0x490FDB00. Reference link to the product: Link: https://www.infineon.com/cms/en/about-infineon/press/market-news/2022/INFCSS202211-034.html Change-Id: I8911712c55bd50e24ed53cf49958352f470027a5 Signed-off-by: Ahmed Boughanmi <boughanmi.external@infineon.com> Reviewed-on: https://review.openocd.org/c/openocd/+/7879 Reviewed-by: Karl Palsson <karlp@tweak.au> Tested-by: jenkins Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com> Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
openocd-org · Oct 2, 2023 · f76c8de · f76c8de
1 parent c6ab3ab
commit f76c8de
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Showing 3 changed files with 20 additions and 13 deletions.
diff --git a/src/target/arm.h b/src/target/arm.h
@@ -61,6 +61,7 @@ enum arm_arch {
 /** Known ARM implementor IDs */
 enum arm_implementor {
 	ARM_IMPLEMENTOR_ARM = 0x41,
+	ARM_IMPLEMENTOR_INFINEON = 0x49,
 	ARM_IMPLEMENTOR_REALTEK = 0x72,
 };
 

diff --git a/src/target/cortex_m.c b/src/target/cortex_m.c
@@ -111,6 +111,11 @@ static const struct cortex_m_part_info cortex_m_parts[] = {
 		.arch = ARM_ARCH_V8M,
 		.flags = CORTEX_M_F_HAS_FPV5,
 	},
+	{
+		.impl_part = INFINEON_SLX2_PARTNO,
+		.name = "Infineon-SLx2",
+		.arch = ARM_ARCH_V8M,
+	},
 	{
 		.impl_part = REALTEK_M200_PARTNO,
 		.name = "Real-M200 (KM0)",

diff --git a/src/target/cortex_m.h b/src/target/cortex_m.h
@@ -45,19 +45,20 @@
  */
 enum cortex_m_impl_part {
 	CORTEX_M_PARTNO_INVALID,
-	STAR_MC1_PARTNO    = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0x132), /* FIXME - confirm implementor! */
-	CORTEX_M0_PARTNO   = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xC20),
-	CORTEX_M1_PARTNO   = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xC21),
-	CORTEX_M3_PARTNO   = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xC23),
-	CORTEX_M4_PARTNO   = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xC24),
-	CORTEX_M7_PARTNO   = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xC27),
-	CORTEX_M0P_PARTNO  = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xC60),
-	CORTEX_M23_PARTNO  = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xD20),
-	CORTEX_M33_PARTNO  = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xD21),
-	CORTEX_M35P_PARTNO = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xD31),
-	CORTEX_M55_PARTNO  = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xD22),
-	REALTEK_M200_PARTNO = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_REALTEK, 0xd20),
-	REALTEK_M300_PARTNO = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_REALTEK, 0xd22),
+	STAR_MC1_PARTNO      = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0x132), /* FIXME - confirm implementor! */
+	CORTEX_M0_PARTNO     = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xC20),
+	CORTEX_M1_PARTNO     = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xC21),
+	CORTEX_M3_PARTNO     = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xC23),
+	CORTEX_M4_PARTNO     = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xC24),
+	CORTEX_M7_PARTNO     = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xC27),
+	CORTEX_M0P_PARTNO    = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xC60),
+	CORTEX_M23_PARTNO    = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xD20),
+	CORTEX_M33_PARTNO    = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xD21),
+	CORTEX_M35P_PARTNO   = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xD31),
+	CORTEX_M55_PARTNO    = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xD22),
+	INFINEON_SLX2_PARTNO = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_INFINEON, 0xDB0),
+	REALTEK_M200_PARTNO  = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_REALTEK, 0xd20),
+	REALTEK_M300_PARTNO  = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_REALTEK, 0xd22),
 };
 
 /* Relevant Cortex-M flags, used in struct cortex_m_part_info.flags */