57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Author:
|
|
* Chuanhong Guo <gch981213@gmail.com>
|
|
*/
|
|
|
|
#include "spinand.h"
|
|
#include "common.h"
|
|
|
|
#define SPINAND_MFR_DOSILICON 0XE5
|
|
|
|
extern int spinand_disable_ecc(struct spinand_device * spinand);
|
|
extern int spinand_select_target(struct spinand_device *spinand, unsigned int target);
|
|
|
|
static int dosilicon_check_ecc(unsigned char val)
|
|
{
|
|
if ((val & (1 << 5)) != 0 && (val & (1 << 4)) == 0)
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
static const struct spinand_info dosilicon_spinand_table[] = {
|
|
SPINAND_INFO("DS35M12C-IBR",
|
|
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x25),
|
|
NAND_MEMORG(1, 2048, 128, 64, 512, 10, 1, 1, 1),
|
|
NAND_ECCREQ(8, 512, 1)),
|
|
};
|
|
|
|
static int dosilicon_spinand_init(struct spinand_device *spinand)
|
|
{
|
|
struct nand_device *nand = spinand_to_nand(spinand);
|
|
unsigned int i = 0;
|
|
|
|
for (i = 0; i < nand->memorg.ntargets; i++) {
|
|
spinand_select_target(spinand, i);
|
|
/* Special initialization of Vendor */
|
|
|
|
/* Enable ECC */
|
|
spinand_disable_ecc(spinand);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct spinand_manufacturer_ops dosilicon_spinand_manuf_ops = {
|
|
.init = dosilicon_spinand_init,
|
|
.check_ecc = dosilicon_check_ecc,
|
|
};
|
|
|
|
const struct spinand_manufacturer dosilicon_spinand_manufacturer = {
|
|
.id = SPINAND_MFR_DOSILICON,
|
|
.name = "DOSILICON",
|
|
.chips = dosilicon_spinand_table,
|
|
.nchips = ARRAY_SIZE(dosilicon_spinand_table),
|
|
.ops = &dosilicon_spinand_manuf_ops,
|
|
}; |