diff options
| -rw-r--r-- | src/flash/nand.c | 55 | ||||
| -rw-r--r-- | src/flash/nand.h | 64 | ||||
| -rw-r--r-- | src/flash/nand/Makefile.am | 5 | ||||
| -rw-r--r-- | src/flash/nand/driver.c | 79 | ||||
| -rw-r--r-- | src/flash/nand/driver.h | 106 |
5 files changed, 205 insertions, 104 deletions
diff --git a/src/flash/nand.c b/src/flash/nand.c index 2f0f503f..9a220d2e 100644 --- a/src/flash/nand.c +++ b/src/flash/nand.c @@ -34,35 +34,6 @@ static int nand_read_page(struct nand_device *nand, uint32_t page, uint8_t *data static int nand_write_page(struct nand_device *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size); -/* NAND flash controller - */ -extern struct nand_flash_controller nonce_nand_controller; -extern struct nand_flash_controller davinci_nand_controller; -extern struct nand_flash_controller lpc3180_nand_controller; -extern struct nand_flash_controller orion_nand_controller; -extern struct nand_flash_controller s3c2410_nand_controller; -extern struct nand_flash_controller s3c2412_nand_controller; -extern struct nand_flash_controller s3c2440_nand_controller; -extern struct nand_flash_controller s3c2443_nand_controller; -extern struct nand_flash_controller imx31_nand_flash_controller; - -/* extern struct nand_flash_controller boundary_scan_nand_controller; */ - -static struct nand_flash_controller *nand_flash_controllers[] = -{ - &nonce_nand_controller, - &davinci_nand_controller, - &lpc3180_nand_controller, - &orion_nand_controller, - &s3c2410_nand_controller, - &s3c2412_nand_controller, - &s3c2440_nand_controller, - &s3c2443_nand_controller, - &imx31_nand_flash_controller, -/* &boundary_scan_nand_controller, */ - NULL -}; - /* configured NAND devices and NAND Flash command handler */ static struct nand_device *nand_devices = NULL; @@ -205,12 +176,16 @@ static struct nand_ecclayout nand_oob_64 = { .length = 38}} }; +int nand_list_walker(struct nand_flash_controller *c, void *x) +{ + struct command_context *cmd_ctx = (struct command_context *)x; + command_print(cmd_ctx, " %s", c->name); + return ERROR_OK; +} COMMAND_HANDLER(handle_nand_list_drivers) { 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; + return nand_driver_walk(&nand_list_walker, CMD_CTX); } static COMMAND_HELPER(create_nand_device, const char *bank_name, @@ -267,18 +242,14 @@ COMMAND_HANDLER(handle_nand_device_command) CMD_ARGC--; const char *driver_name = CMD_ARGV[0]; - for (unsigned i = 0; nand_flash_controllers[i]; i++) + struct nand_flash_controller *controller; + controller = nand_driver_find_by_name(CMD_ARGV[0]); + if (NULL == controller) { - struct nand_flash_controller *controller = nand_flash_controllers[i]; - if (strcmp(driver_name, controller->name) != 0) - continue; - - return CALL_COMMAND_HANDLER(create_nand_device, - bank_name, controller); + LOG_ERROR("No valid NAND flash driver found (%s)", driver_name); + return CALL_COMMAND_HANDLER(handle_nand_list_drivers); } - - LOG_ERROR("No valid NAND flash driver found (%s)", driver_name); - return CALL_COMMAND_HANDLER(handle_nand_list_drivers); + return CALL_COMMAND_HANDLER(create_nand_device, bank_name, controller); } diff --git a/src/flash/nand.h b/src/flash/nand.h index f91dedaf..d675b295 100644 --- a/src/flash/nand.h +++ b/src/flash/nand.h @@ -28,68 +28,8 @@ #include <flash/common.h> // to be removed later #include <target/target.h> - -struct nand_device; - -#define __NAND_DEVICE_COMMAND(name) \ - COMMAND_HELPER(name, struct nand_device *nand) - -/** - * Interface for NAND flash controllers. Not all of these functions are - * required for full functionality of the NAND driver, but better performance - * can be achieved by implementing each function. - */ -struct nand_flash_controller -{ - /** Driver name that is used to select it from configuration files. */ - char *name; - - const struct command_registration *commands; - - /** NAND device command called when driver is instantiated during configuration. */ - __NAND_DEVICE_COMMAND((*nand_device_command)); - - /** Register controller specific commands as a TCL interface to the driver. */ - int (*register_commands)(struct command_context *cmd_ctx); - - /** Initialize the NAND device. */ - int (*init)(struct nand_device *nand); - - /** Reset the NAND device. */ - int (*reset)(struct nand_device *nand); - - /** Issue a command to the NAND device. */ - int (*command)(struct nand_device *nand, uint8_t command); - - /** Write an address to the NAND device. */ - int (*address)(struct nand_device *nand, uint8_t address); - - /** Write word of data to the NAND device. */ - int (*write_data)(struct nand_device *nand, uint16_t data); - - /** Read word of data from the NAND device. */ - int (*read_data)(struct nand_device *nand, void *data); - - /** Write a block of data to the NAND device. */ - int (*write_block_data)(struct nand_device *nand, uint8_t *data, int size); - - /** Read a block of data from the NAND device. */ - int (*read_block_data)(struct nand_device *nand, uint8_t *data, int size); - - /** Write a page to the NAND device. */ - int (*write_page)(struct nand_device *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size); - - /** Read a page from the NAND device. */ - int (*read_page)(struct nand_device *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size); - - /** Check if the controller is ready for more instructions with timeout. */ - int (*controller_ready)(struct nand_device *nand, int timeout); - - /** Check if the NAND device is ready for more instructions with timeout. */ - int (*nand_ready)(struct nand_device *nand, int timeout); -}; - -#define NAND_DEVICE_COMMAND_HANDLER(name) static __NAND_DEVICE_COMMAND(name) +// to be removed later +#include <flash/nand/driver.h> /** * Representation of a single NAND block in a NAND device. diff --git a/src/flash/nand/Makefile.am b/src/flash/nand/Makefile.am index 34947b6e..7d250f6f 100644 --- a/src/flash/nand/Makefile.am +++ b/src/flash/nand/Makefile.am @@ -3,6 +3,10 @@ AM_CPPFLAGS = -I$(top_srcdir)/src noinst_LTLIBRARIES = libocdflashnand.la libocdflashnand_la_SOURCES = \ + $(NAND_DRIVERS) \ + driver.c + +NAND_DRIVERS = \ nonce.c \ davinci.c \ lpc3180.c \ @@ -16,6 +20,7 @@ libocdflashnand_la_SOURCES = \ noinst_HEADERS = \ lpc3180.h \ + driver.h \ mx3.h \ s3c24xx.h \ s3c24xx_regs.h diff --git a/src/flash/nand/driver.c b/src/flash/nand/driver.c new file mode 100644 index 00000000..717f5aaa --- /dev/null +++ b/src/flash/nand/driver.c @@ -0,0 +1,79 @@ +/*************************************************************************** + * Copyright (C) 2005 by Dominic Rath <Dominic.Rath@gmx.de> * + * Copyright (C) 2007,2008 Øyvind Harboe <oyvind.harboe@zylin.com> * + * Copyright (C) 2008 by Spencer Oliver <spen@spen-soft.co.uk> * + * Copyright (C) 2009 Zachary T Welch <zw@superlucidity.net> * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <flash/nand.h> +#include "driver.h" + +/* NAND flash controller + */ +extern struct nand_flash_controller nonce_nand_controller; +extern struct nand_flash_controller davinci_nand_controller; +extern struct nand_flash_controller lpc3180_nand_controller; +extern struct nand_flash_controller orion_nand_controller; +extern struct nand_flash_controller s3c2410_nand_controller; +extern struct nand_flash_controller s3c2412_nand_controller; +extern struct nand_flash_controller s3c2440_nand_controller; +extern struct nand_flash_controller s3c2443_nand_controller; +extern struct nand_flash_controller imx31_nand_flash_controller; + +/* extern struct nand_flash_controller boundary_scan_nand_controller; */ + +static struct nand_flash_controller *nand_flash_controllers[] = +{ + &nonce_nand_controller, + &davinci_nand_controller, + &lpc3180_nand_controller, + &orion_nand_controller, + &s3c2410_nand_controller, + &s3c2412_nand_controller, + &s3c2440_nand_controller, + &s3c2443_nand_controller, + &imx31_nand_flash_controller, +/* &boundary_scan_nand_controller, */ + NULL +}; + +struct nand_flash_controller *nand_driver_find_by_name(const char *name) +{ + for (unsigned i = 0; nand_flash_controllers[i]; i++) + { + struct nand_flash_controller *controller = nand_flash_controllers[i]; + if (strcmp(name, controller->name) == 0) + return controller; + } + return NULL; +} +int nand_driver_walk(nand_driver_walker_t f, void *x) +{ + for (unsigned i = 0; nand_flash_controllers[i]; i++) + { + int retval = (*f)(nand_flash_controllers[i], x); + if (ERROR_OK != retval) + return retval; + } + return ERROR_OK; +} + + diff --git a/src/flash/nand/driver.h b/src/flash/nand/driver.h new file mode 100644 index 00000000..545a731b --- /dev/null +++ b/src/flash/nand/driver.h @@ -0,0 +1,106 @@ +/*************************************************************************** + * Copyright (C) 2005 by Dominic Rath <Dominic.Rath@gmx.de> * + * Copyright (C) 2007,2008 Øyvind Harboe <oyvind.harboe@zylin.com> * + * Copyright (C) 2008 by Spencer Oliver <spen@spen-soft.co.uk> * + * Copyright (C) 2009 Zachary T Welch <zw@superlucidity.net> * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ +#ifndef FLASH_NAND_DRIVER_H +#define FLASH_NAND_DRIVER_H + +struct nand_device; + +#define __NAND_DEVICE_COMMAND(name) \ + COMMAND_HELPER(name, struct nand_device *nand) + +/** + * Interface for NAND flash controllers. Not all of these functions are + * required for full functionality of the NAND driver, but better performance + * can be achieved by implementing each function. + */ +struct nand_flash_controller +{ + /** Driver name that is used to select it from configuration files. */ + char *name; + + const struct command_registration *commands; + + /** NAND device command called when driver is instantiated during configuration. */ + __NAND_DEVICE_COMMAND((*nand_device_command)); + + /** Register controller specific commands as a TCL interface to the driver. */ + int (*register_commands)(struct command_context *cmd_ctx); + + /** Initialize the NAND device. */ + int (*init)(struct nand_device *nand); + + /** Reset the NAND device. */ + int (*reset)(struct nand_device *nand); + + /** Issue a command to the NAND device. */ + int (*command)(struct nand_device *nand, uint8_t command); + + /** Write an address to the NAND device. */ + int (*address)(struct nand_device *nand, uint8_t address); + + /** Write word of data to the NAND device. */ + int (*write_data)(struct nand_device *nand, uint16_t data); + + /** Read word of data from the NAND device. */ + int (*read_data)(struct nand_device *nand, void *data); + + /** Write a block of data to the NAND device. */ + int (*write_block_data)(struct nand_device *nand, uint8_t *data, int size); + + /** Read a block of data from the NAND device. */ + int (*read_block_data)(struct nand_device *nand, uint8_t *data, int size); + + /** Write a page to the NAND device. */ + int (*write_page)(struct nand_device *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size); + + /** Read a page from the NAND device. */ + int (*read_page)(struct nand_device *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size); + + /** Check if the controller is ready for more instructions with timeout. */ + int (*controller_ready)(struct nand_device *nand, int timeout); + + /** Check if the NAND device is ready for more instructions with timeout. */ + int (*nand_ready)(struct nand_device *nand, int timeout); +}; + +#define NAND_DEVICE_COMMAND_HANDLER(name) static __NAND_DEVICE_COMMAND(name) + +/** + * Find a NAND flash controller by name. + * @param The name of the NAND controller to find. + * @returns The nand_flash_controller named @c name, or NULL if not found. + */ +struct nand_flash_controller *nand_driver_find_by_name(const char *name); + +/// Signature for callback functions passed to nand_driver_walk +typedef int (*nand_driver_walker_t)(struct nand_flash_controller *c, void*); +/** + * Walk the list of drivers, encapsulating the data structure type. + * Application state/context can be passed through the @c x pointer. + * @param f The callback function to invoke for each function. + * @param x For use as private data storate, passed directly to @c f. + * @returns ERROR_OK if successful, or the non-zero return value of @c f. + * This allows a walker to terminate the loop early. + */ +int nand_driver_walk(nand_driver_walker_t f, void *x); + +#endif // FLASH_NAND_DRIVER_H |