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split NAND driver handling into nand/driver.[ch]

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This work parallels the NOR directory, encapsulating the NAND drivers
into a separate file.  This takes an extra step by encapsulating the
type of data structure used to manage the drivers, allowing it to be
changed from an array to a dynamic list in the future.
This commit is contained in:
Zachary T Welch
2009-12-04 18:24:14 -08:00
parent af1d7590ed
commit a7fd30c07f
5 changed files with 205 additions and 104 deletions
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79
src/flash/nand/driver.c Normal file
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/***************************************************************************
* 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;
}