菜鸡李安晏 发表于 2020-12-23 22:19:02

S5P4418如何用JTAG连接

最近想用JTAG调试S5P4418,使用Jlink,发现无法连接,错误信息如下,不知是否有老铁知道如何解决:
Connecting to target via JTAGTota1lIRLen - 4, IRPrint = 0x01

      JTAG chain detection found 1 devices:

      #0 Id: 0x4BA00477, IRLen: 04, CoreSight JTAG-DPDPv0 detected

      Scanning AP map to find a11 available APs

      AP: Stopped AP scan as end of AP map has been reached AP: AHB-AP (IDR: 0x44770001)AP: APB-AP (IDR: 0x24770002)AP: JTAG-AP (IDR: 0x14760010)

      I terating through AP map to find APB-AP to useAP: Skipped. Not an APB-APAP: APB-AP found

      Tota1IRLen F 4, IRPrint F 0x01

      JTAG chain detection found 1 devices:

      #O Id: 0x4BA00477, IRLen: 04, CoreSight JTAG-DP

      satsk Error: Cortex-A/R (connect): Could not determine address of core debug registers. Incorrect CoreSight ROM table in device?

      Tota1IRLen = 4, IRPrint = 0x01

      JTAG chain detection found 1 devices:

      #O Id: 0x4BA00477, IRLen: 04, CoreSight JTAG-DPTota1IRLen F 4, IRPrint F 0x01

      JTAG chain detection found 1 devices:

      #0 Id: 0x4BA00477, IRLen: 04, CoreSight JTAG-DPCannot connect to target

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