rockbox/firmware/drivers/nand_id.c

87 lines
2.8 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Maurus Cuelenaere
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdlib.h>
#include "nand_id.h"
struct nand_manufacturer
{
unsigned char id;
struct nand_info* info;
unsigned short total;
};
static const struct nand_info samsung[] =
{
/*
id1, id2
pages/block, blocks, page_size, spare_size, col_cycles, row_cycles, planes
*/
{0xDC, 0x10, /* K9F4G08UOM */
64, 4096, 2048, 64, 2, 3, 1 },
{0xD3, 0x51, /* K9K8G08UOM */
64, 8192, 2048, 64, 2, 3, 1 },
{0xD5, 0x14, /* K9GAG08UOM */
128, 4096, 4096, 128, 2, 3, 2 },
{0xD5, 0x55, /* K9LAG08UOM, K9HBG08U1M, K9MCG08U5M */
128, 8192, 2048, 64, 2, 3, 4 },
{0xD7, 0x55, /* K9LBG08UOM */
128, 8192, 4096, 128, 2, 3, 4 },
};
#define NI(id, x) {id, (struct nand_info*)x, (sizeof(x)/sizeof(struct nand_info))}
static const struct nand_manufacturer all[] =
{
NI(0xEC, samsung),
};
// -----------------------------------------------------------------------------
struct nand_info* nand_identify(unsigned char data[5])
{
unsigned int i;
int found = -1;
for(i = 0; i < (sizeof(all)/sizeof(struct nand_manufacturer)); i++)
{
if(data[0] == all[i].id)
{
found = i;
break;
}
}
if(found < 0)
return NULL;
for(i = 0; i < all[found].total; i++)
{
if(data[1] == all[found].info[i].dev_id &&
data[2] == all[found].info[i].dev_id2)
return &all[found].info[i];
}
return NULL;
}