diff options
-rw-r--r-- | src/flash/nand.c | 124 |
1 files changed, 62 insertions, 62 deletions
diff --git a/src/flash/nand.c b/src/flash/nand.c index 35180567..70b14b02 100644 --- a/src/flash/nand.c +++ b/src/flash/nand.c @@ -204,87 +204,87 @@ static struct nand_ecclayout nand_oob_64 = { .length = 38}} }; -/* nand device <nand_controller> [controller options] - */ -COMMAND_HANDLER(handle_nand_device_command) +COMMAND_HANDLER(handle_nand_list_drivers) { - int i; - int retval; + command_print(CMD_CTX, "Available NAND flash controller drivers:"); + for (unsigned i = 0; nand_flash_controllers[i]; i++) + command_print(CMD_CTX, " %s", nand_flash_controllers[i]->name); + return ERROR_OK; +} - if (CMD_ARGC < 1) +static COMMAND_HELPER(create_nand_device, + struct nand_flash_controller *controller) +{ + int retval = controller->register_commands(CMD_CTX); + if (ERROR_OK != retval) { - LOG_WARNING("incomplete flash device nand configuration"); - return ERROR_FLASH_BANK_INVALID; + LOG_ERROR("couldn't register '%s' commands", controller->name); + return retval; } - for (i = 0; nand_flash_controllers[i]; i++) - { - struct nand_device *p, *c; + struct nand_device *c = malloc(sizeof(struct nand_device)); - if (strcmp(CMD_ARGV[0], nand_flash_controllers[i]->name) == 0) - { - /* register flash specific commands */ - if ((retval = nand_flash_controllers[i]->register_commands(CMD_CTX)) != ERROR_OK) - { - LOG_ERROR("couldn't register '%s' commands", CMD_ARGV[0]); - return retval; - } + c->controller = controller; + c->controller_priv = NULL; + c->manufacturer = NULL; + c->device = NULL; + c->bus_width = 0; + c->address_cycles = 0; + c->page_size = 0; + c->use_raw = 0; + c->next = NULL; - c = malloc(sizeof(struct nand_device)); + retval = CALL_COMMAND_HANDLER(controller->nand_device_command, c); + if (ERROR_OK != retval) + { + LOG_ERROR("'%s' driver rejected nand flash", controller->name); + free(c); + return ERROR_OK; + } - c->controller = nand_flash_controllers[i]; - c->controller_priv = NULL; - c->manufacturer = NULL; - c->device = NULL; - c->bus_width = 0; - c->address_cycles = 0; - c->page_size = 0; - c->use_raw = 0; - c->next = NULL; + if (nand_devices) { + struct nand_device *p = nand_devices; + while (p && p->next) p = p->next; + p->next = c; + } else + nand_devices = c; - retval = CALL_COMMAND_HANDLER(nand_flash_controllers[i]->nand_device_command, c); - if (ERROR_OK != retval) - { - LOG_ERROR("'%s' driver rejected nand flash", c->controller->name); - free(c); - return ERROR_OK; - } - - /* put NAND device in linked list */ - if (nand_devices) - { - /* find last flash device */ - for (p = nand_devices; p && p->next; p = p->next); - if (p) - p->next = c; - } - else - { - nand_devices = c; - } + return ERROR_OK; +} - return ERROR_OK; - } +COMMAND_HANDLER(handle_nand_device_command) +{ + if (CMD_ARGC < 1) + { + LOG_ERROR("incomplete nand device configuration"); + return ERROR_FLASH_BANK_INVALID; } - /* no valid NAND controller was found (i.e. the configuration option, - * didn't match one of the compiled-in controllers) - */ - LOG_ERROR("No valid NAND flash controller found (%s)", CMD_ARGV[0]); - LOG_ERROR("compiled-in NAND flash controllers:"); - for (i = 0; nand_flash_controllers[i]; i++) + const char *driver_name = CMD_ARGV[0]; + for (unsigned i = 0; nand_flash_controllers[i]; i++) { - LOG_ERROR("%i: %s", i, nand_flash_controllers[i]->name); + struct nand_flash_controller *controller = nand_flash_controllers[i]; + if (strcmp(driver_name, controller->name) != 0) + continue; + + return CALL_COMMAND_HANDLER(create_nand_device, controller); } - return ERROR_OK; + LOG_ERROR("No valid NAND flash driver found (%s)", driver_name); + return CALL_COMMAND_HANDLER(handle_nand_list_drivers); } int nand_register_commands(struct command_context *cmd_ctx) { - nand_cmd = register_command(cmd_ctx, NULL, "nand", NULL, COMMAND_ANY, "NAND specific commands"); - - register_command(cmd_ctx, nand_cmd, "device", handle_nand_device_command, COMMAND_CONFIG, NULL); + nand_cmd = register_command(cmd_ctx, NULL, "nand", + NULL, COMMAND_ANY, "NAND specific commands"); + + register_command(cmd_ctx, nand_cmd, "device", + &handle_nand_device_command, COMMAND_CONFIG, + "defines a new NAND bank"); + register_command(cmd_ctx, nand_cmd, "drivers", + &handle_nand_list_drivers, COMMAND_ANY, + "lists available NAND drivers"); return ERROR_OK; } |