diff options
Diffstat (limited to 'src/jtag')
| -rw-r--r-- | src/jtag/drivers/jlink.c | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/src/jtag/drivers/jlink.c b/src/jtag/drivers/jlink.c index 9d25eb42..e7bda1dc 100644 --- a/src/jtag/drivers/jlink.c +++ b/src/jtag/drivers/jlink.c @@ -507,28 +507,6 @@ static int jlink_init(void) return ERROR_JTAG_INIT_FAILED; } - /* - * The next three instructions were added after discovering a problem - * while using an oscilloscope. - * For the V8 SAM-ICE dongle (and likely other j-link device variants), - * the reset line to the target microprocessor was found to cycle only - * intermittently during emulator startup (even after encountering the - * downstream reset instruction later in the code). - * This was found to create two issues: - * 1) In general it is a bad practice to not reset a CPU to a known - * state when starting an emulator and - * 2) something critical happens inside the dongle when it does the - * first read following a new USB session. - * Keeping the processor in reset during the first read collecting - * version information seems to prevent errant - * "J-Link command EMU_CMD_VERSION failed" issues. - */ - - LOG_INFO("J-Link initialization started / target CPU reset initiated"); - jlink_simple_command(EMU_CMD_HW_TRST0); - jlink_simple_command(EMU_CMD_HW_RESET0); - usleep(1000); - jlink_hw_jtag_version = 2; if (jlink_get_version_info() == ERROR_OK) { |