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| author | PoroCYon <porocyon@titandemo.org> | 2021-07-21 04:17:08 +0200 |
|---|---|---|
| committer | Antonio Borneo <borneo.antonio@gmail.com> | 2021-07-31 10:08:24 +0100 |
| commit | beff3de2ce7e275bf8c0051641dfc1acb0ecee9a (patch) | |
| tree | 271f6fcde7449904b26215f6fcb803b415d4af53 /src | |
| parent | d94e1ffef0c352af1a291819907f398f060a462e (diff) | |
| download | riscv-openocd-beff3de2ce7e275bf8c0051641dfc1acb0ecee9a.zip riscv-openocd-beff3de2ce7e275bf8c0051641dfc1acb0ecee9a.tar.gz riscv-openocd-beff3de2ce7e275bf8c0051641dfc1acb0ecee9a.tar.bz2 | |
drivers/cmsis-dap: update for newest protocol version
The capabilities INFO command can now return two bytes, without this
patch, the capabilities would simply not be read and left as 0 (i.e. no
capabilities).
cf. https://arm-software.github.io/CMSIS_5/DAP/html/group__DAP__Info.html ;
https://github.com/ARM-software/CMSIS_5/blob/116866fd74756c88096e37cbd0066fadad583cad/CMSIS/DAP/Firmware/Source/DAP.c#L100-L111
Change-Id: Ibd894971edf1c120cae08089e5515ce5e9972323
Signed-off-by: PoroCYon <porocyon@titandemo.org>
Reviewed-on: http://openocd.zylin.com/6373
Tested-by: jenkins
Reviewed-by: Andrzej Sierżęga <asier70@gmail.com>
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/jtag/drivers/cmsis_dap.c | 47 | ||||
| -rw-r--r-- | src/jtag/drivers/cmsis_dap.h | 2 |
2 files changed, 29 insertions, 20 deletions
diff --git a/src/jtag/drivers/cmsis_dap.c b/src/jtag/drivers/cmsis_dap.c index be8881d..06d5c69 100644 --- a/src/jtag/drivers/cmsis_dap.c +++ b/src/jtag/drivers/cmsis_dap.c @@ -102,10 +102,16 @@ static bool swd_mode; #define INFO_ID_PKT_SZ 0xff /* short */ #define INFO_ID_SWO_BUF_SZ 0xfd /* word */ -#define INFO_CAPS_SWD BIT(0) -#define INFO_CAPS_JTAG BIT(1) -#define INFO_CAPS_SWO_UART BIT(2) -#define INFO_CAPS_SWO_MANCHESTER BIT(3) +#define INFO_CAPS_SWD BIT(0) +#define INFO_CAPS_JTAG BIT(1) +#define INFO_CAPS_SWO_UART BIT(2) +#define INFO_CAPS_SWO_MANCHESTER BIT(3) +#define INFO_CAPS_ATOMIC_CMDS BIT(4) +#define INFO_CAPS_TEST_DOMAIN_TIMER BIT(5) +#define INFO_CAPS_SWO_STREAMING_TRACE BIT(6) +#define INFO_CAPS_UART_PORT BIT(7) +#define INFO_CAPS_USB_COM_PORT BIT(8) +#define INFO_CAPS__NUM_CAPS 9 /* CMD_LED */ #define LED_ID_CONNECT 0x00 @@ -203,11 +209,16 @@ static bool swd_mode; /* CMSIS-DAP Vendor Commands * None as yet... */ -static const char * const info_caps_str[] = { - "SWD Supported", - "JTAG Supported", - "SWO-UART Supported", - "SWO-MANCHESTER Supported" +static const char * const info_caps_str[INFO_CAPS__NUM_CAPS] = { + "SWD supported", + "JTAG supported", + "SWO-UART supported", + "SWO-MANCHESTER supported", + "Atomic commands supported", + "Test domain timer supported", + "SWO streaming trace supported", + "UART communication port supported", + "UART via USB COM port supported", }; struct pending_transfer_result { @@ -1016,19 +1027,17 @@ static int cmsis_dap_get_caps_info(void) if (retval != ERROR_OK) return retval; - if (data[0] == 1) { - uint8_t caps = data[1]; + if (data[0] == 1 || data[0] == 2) { + uint16_t caps = data[1]; + if (data[0] == 2) + caps |= (uint16_t)data[2] << 8; cmsis_dap_handle->caps = caps; - if (caps & INFO_CAPS_SWD) - LOG_INFO("CMSIS-DAP: %s", info_caps_str[0]); - if (caps & INFO_CAPS_JTAG) - LOG_INFO("CMSIS-DAP: %s", info_caps_str[1]); - if (caps & INFO_CAPS_SWO_UART) - LOG_INFO("CMSIS-DAP: %s", info_caps_str[2]); - if (caps & INFO_CAPS_SWO_MANCHESTER) - LOG_INFO("CMSIS-DAP: %s", info_caps_str[3]); + for (int i = 0; i < INFO_CAPS__NUM_CAPS; ++i) { + if (caps & BIT(i)) + LOG_INFO("CMSIS-DAP: %s", info_caps_str[i]); + } } return ERROR_OK; diff --git a/src/jtag/drivers/cmsis_dap.h b/src/jtag/drivers/cmsis_dap.h index 634a62c..f6d9df2 100644 --- a/src/jtag/drivers/cmsis_dap.h +++ b/src/jtag/drivers/cmsis_dap.h @@ -16,7 +16,7 @@ struct cmsis_dap { uint16_t packet_buffer_size; uint8_t *command; uint8_t *response; - uint8_t caps; + uint16_t caps; uint8_t mode; uint32_t swo_buf_sz; bool trace_enabled; |