From ac1887c703d0d5ae83c513df61127f59e44a0469 Mon Sep 17 00:00:00 2001 From: Zachary T Welch Date: Mon, 30 Nov 2009 18:30:38 -0800 Subject: jtag: factor init into 'jtag init' Adds 'jtag init' command handler, which can be called as part of a fine-grained 'init' process. --- src/jtag/tcl.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'src/jtag') diff --git a/src/jtag/tcl.c b/src/jtag/tcl.c index 68bb21e4..cc890801 100644 --- a/src/jtag/tcl.c +++ b/src/jtag/tcl.c @@ -808,7 +808,30 @@ static int jim_jtag_names(Jim_Interp *interp, int argc, Jim_Obj *const *argv) return JIM_OK; } +COMMAND_HANDLER(handle_jtag_init_command) +{ + if (CMD_ARGC != 0) + return ERROR_COMMAND_SYNTAX_ERROR; + + static bool jtag_initialized = false; + if (jtag_initialized) + { + LOG_INFO("'jtag init' has already been called"); + return ERROR_OK; + } + jtag_initialized = true; + + LOG_DEBUG("Initializing jtag devices..."); + return jtag_init(CMD_CTX); +} + static const struct command_registration jtag_subcommand_handlers[] = { + { + .name = "init", + .mode = COMMAND_CONFIG, + .handler = &handle_jtag_init_command, + .help = "initialize jtag scan chain", + }, { .name = "interface", .mode = COMMAND_ANY, -- cgit v1.2.3