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add 'nonce' nand driver 

The nonce NAND driver provides a no-op implementation useful for
testing the system independently of any driver side-effects.
This commit is contained in:
Zachary T Welch 2009-11-27 09:29:07 -08:00
parent cdfdcb2854
commit 01f93137c4
3 changed files with 83 additions and 0 deletions
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1
src/flash/Makefile.am
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@ -44,6 +44,7 @@ NAND_SRCS = \
nand.c
NAND_DEVICES_SRCS = \
nonce_nand.c \
davinci_nand.c \
lpc3180_nand_controller.c \
mx3_nand.c \

2
src/flash/nand.c
View File

@ -36,6 +36,7 @@ static int nand_write_page(struct nand_device *nand, uint32_t page, uint8_t *dat
/* 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;
@ -49,6 +50,7 @@ extern struct nand_flash_controller imx31_nand_flash_controller;
static struct nand_flash_controller *nand_flash_controllers[] =
{
&nonce_nand_controller,
&davinci_nand_controller,
&lpc3180_nand_controller,
&orion_nand_controller,

80
src/flash/nonce_nand.c Normal file
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@ -0,0 +1,80 @@
/***************************************************************************
* 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 "nand.h"
static int nonce_nand_command(struct nand_device *nand, uint8_t command)
{
return ERROR_OK;
}
static int nonce_nand_address(struct nand_device *nand, uint8_t address)
{
return ERROR_OK;
}
static int nonce_nand_read(struct nand_device *nand, void *data)
{
return ERROR_OK;
}
static int nonce_nand_write(struct nand_device *nand, uint16_t data)
{
return ERROR_OK;
}
static int nonce_nand_fast_block_write(struct nand_device *nand,
uint8_t *data, int size)
{
return ERROR_OK;
}
static int nonce_nand_reset(struct nand_device *nand)
{
return nonce_nand_command(nand, NAND_CMD_RESET);
}
static int nonce_nand_controller_ready(struct nand_device *nand, int timeout)
{
return true;
}
NAND_DEVICE_COMMAND_HANDLER(nonce_nand_device_command)
{
return ERROR_OK;
}
static int nonce_nand_init(struct nand_device *nand)
{
return ERROR_OK;
}
struct nand_flash_controller nonce_nand_controller =
{
.name = "nonce",
.nand_device_command = &nonce_nand_device_command,
.init = &nonce_nand_init,
.reset = &nonce_nand_reset,
.command = &nonce_nand_command,
.address = &nonce_nand_address,
.read_data = &nonce_nand_read,
.write_data = &nonce_nand_write,
.write_block_data = &nonce_nand_fast_block_write,
.controller_ready = &nonce_nand_controller_ready,
};