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target/cortex_m: Add Realtek Real-M200 and M300 

These cores are advertised as M23 and M33 compatible, but are identified
by the Realtek implementor id.  These cores are found on the RTL872xD
family, at least.

Raw CPUIDs:
Real-M200 (KM0): 721cd200
Real-M300 (KM4): 721fd220

Change-Id: I4106ccb7e8c562f98072a71e9e818f57999d664e
Signed-off-by: Karl Palsson <karlp@tweak.au>
Reviewed-on: https://review.openocd.org/c/openocd/+/7846
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Karl Palsson 2023-08-02 21:42:08 +00:00 committed by Antonio Borneo
parent 05ee889155
commit 3182a1398a
3 changed files with 14 additions and 0 deletions
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1
src/target/arm.h
View File

@ -61,6 +61,7 @@ enum arm_arch {
/** Known ARM implementor IDs */
enum arm_implementor {
ARM_IMPLEMENTOR_ARM = 0x41,
ARM_IMPLEMENTOR_REALTEK = 0x72,
};
/**

11
src/target/cortex_m.c
View File

@ -111,6 +111,17 @@ static const struct cortex_m_part_info cortex_m_parts[] = {
.arch = ARM_ARCH_V8M,
.flags = CORTEX_M_F_HAS_FPV5,
},
{
.impl_part = REALTEK_M200_PARTNO,
.name = "Real-M200 (KM0)",
.arch = ARM_ARCH_V8M,
},
{
.impl_part = REALTEK_M300_PARTNO,
.name = "Real-M300 (KM4)",
.arch = ARM_ARCH_V8M,
.flags = CORTEX_M_F_HAS_FPV5,
},
};
/* forward declarations */

2
src/target/cortex_m.h
View File

@ -56,6 +56,8 @@ enum cortex_m_impl_part {
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),
};
/* Relevant Cortex-M flags, used in struct cortex_m_part_info.flags */