nand: factor init to 'nand init'
authorZachary T Welch <zw@superlucidity.net>
Tue, 1 Dec 2009 01:27:21 +0000 (17:27 -0800)
committerZachary T Welch <zw@superlucidity.net>
Wed, 2 Dec 2009 21:26:22 +0000 (13:26 -0800)
Split NAND initialization into 'nand init', which gets called from
the main 'init' command.

src/flash/nand.c
src/openocd.c

index 94cec8d..1c8c0c8 100644 (file)
@@ -281,6 +281,9 @@ COMMAND_HANDLER(handle_nand_device_command)
        return CALL_COMMAND_HANDLER(handle_nand_list_drivers);
 }
 
+
+COMMAND_HANDLER(handle_nand_init_command);
+
 static const struct command_registration nand_config_command_handlers[] = {
        {
                .name = "device",
@@ -294,6 +297,12 @@ static const struct command_registration nand_config_command_handlers[] = {
                .mode = COMMAND_ANY,
                .help = "lists available NAND drivers",
        },
+       {
+               .name = "init",
+               .mode = COMMAND_CONFIG,
+               .handler = &handle_nand_init_command,
+               .help = "initialize NAND devices",
+       },
        COMMAND_REGISTRATION_DONE
 };
 static const struct command_registration nand_command_handlers[] = {
@@ -1794,3 +1803,20 @@ int nand_init(struct command_context *cmd_ctx)
        struct command *parent = command_find_in_context(cmd_ctx, "nand");
        return register_commands(cmd_ctx, parent, nand_exec_command_handlers);
 }
+
+COMMAND_HANDLER(handle_nand_init_command)
+{
+       if (CMD_ARGC != 0)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       static bool nand_initialized = false;
+       if (nand_initialized)
+       {
+               LOG_INFO("'nand init' has already been called");
+               return ERROR_OK;
+       }
+       nand_initialized = true;
+
+       LOG_DEBUG("Initializing NAND devices...");
+       return nand_init(CMD_CTX);
+}
index 777e630..1026379 100644 (file)
@@ -143,11 +143,10 @@ COMMAND_HANDLER(handle_init_command)
                return ERROR_FAIL;
        LOG_DEBUG("mflash init complete");
 
-       if (nand_init(CMD_CTX) != ERROR_OK)
+       command_context_mode(CMD_CTX, COMMAND_CONFIG);
+       if (command_run_line(CMD_CTX, "nand init") != ERROR_OK)
                return ERROR_FAIL;
-       LOG_DEBUG("NAND init complete");
 
-       command_context_mode(CMD_CTX, COMMAND_CONFIG);
        if (command_run_line(CMD_CTX, "pld init") != ERROR_OK)
                return ERROR_FAIL;
        command_context_mode(CMD_CTX, COMMAND_EXEC);