diff options
| author | Hellosun Wu <wujiheng.tw@gmail.com> | 2017-05-12 14:37:21 +0800 |
|---|---|---|
| committer | Tomas Vanek <vanekt@fbl.cz> | 2018-03-12 14:12:59 +0000 |
| commit | 69325f6970f445f43b8cac05824a68a8f906735a (patch) | |
| tree | 44dab7f397b664d69c692e4e2d6398dd9f2d8f76 /src/jtag/aice/aice_interface.c | |
| parent | 396ea7c8dd448482789122799b5dbc60b77223ad (diff) | |
nds32: Add jtag scan_chain command
Create new command to refresh idcode list during runtime
and update Tap idcode.
Change-Id: Ie889a39a6f57cea207b2b9c9e42c51c97cfe4d8e
Signed-off-by: Hellosun Wu <wujiheng.tw@gmail.com>
Reviewed-on: http://openocd.zylin.com/4133
Tested-by: jenkins
Reviewed-by: Hsiangkai Wang <hsiangkai@gmail.com>
Reviewed-by: penny chen <penny6610231@gmail.com>
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
Diffstat (limited to 'src/jtag/aice/aice_interface.c')
| -rw-r--r-- | src/jtag/aice/aice_interface.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/jtag/aice/aice_interface.c b/src/jtag/aice/aice_interface.c index 20f1f07f..c758bb43 100644 --- a/src/jtag/aice/aice_interface.c +++ b/src/jtag/aice/aice_interface.c @@ -239,6 +239,30 @@ static int aice_khz(int khz, int *jtag_speed) return ERROR_OK; } +int aice_scan_jtag_chain(void) +{ + LOG_DEBUG("=== %s ===", __func__); + uint8_t num_of_idcode = 0; + struct target *target; + + int res = aice_port->api->idcode(aice_target_id_codes, &num_of_idcode); + if (res != ERROR_OK) { + LOG_ERROR("<-- TARGET ERROR! Failed to identify AndesCore " + "JTAG Manufacture ID in the JTAG scan chain. " + "Failed to access EDM registers. -->"); + return res; + } + + for (uint32_t i = 0; i < num_of_idcode; i++) + LOG_DEBUG("id_codes[%d] = 0x%x", i, aice_target_id_codes[i]); + + /* Update tap idcode */ + for (target = all_targets; target; target = target->next) + target->tap->idcode = aice_target_id_codes[target->tap->abs_chain_position]; + + return ERROR_OK; +} + /***************************************************************************/ /* Command handlers */ COMMAND_HANDLER(aice_handle_aice_info_command) |