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mtd: rawnand: add basic sandisk manufacturer ops

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Add basic Sandisk manufacturer ops support to get
SDTNQGAMA timing data with the nand_get_sdr_timings()
function.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/aaf4580a-a368-8f70-c9c4-21b5ed4dd599@gmail.com
This commit is contained in:
Johan Jonker 2023-06-13 23:19:58 +02:00 committed by Miquel Raynal
parent 46c37b99b5
commit 12ac188b93
4 changed files with 29 additions and 1 deletions
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1
drivers/mtd/nand/raw/Makefile
View File

@ -67,5 +67,6 @@ nand-objs += nand_esmt.o
nand-objs += nand_hynix.o
nand-objs += nand_macronix.o
nand-objs += nand_micron.o
nand-objs += nand_sandisk.o
nand-objs += nand_samsung.o
nand-objs += nand_toshiba.o

1
drivers/mtd/nand/raw/internals.h
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@ -73,6 +73,7 @@ extern const struct nand_manufacturer_ops hynix_nand_manuf_ops;
extern const struct nand_manufacturer_ops macronix_nand_manuf_ops;
extern const struct nand_manufacturer_ops micron_nand_manuf_ops;
extern const struct nand_manufacturer_ops samsung_nand_manuf_ops;
extern const struct nand_manufacturer_ops sandisk_nand_manuf_ops;
extern const struct nand_manufacturer_ops toshiba_nand_manuf_ops;
/* MLC pairing schemes */

2
drivers/mtd/nand/raw/nand_ids.c
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@ -188,7 +188,7 @@ static const struct nand_manufacturer_desc nand_manufacturer_descs[] = {
{NAND_MFR_NATIONAL, "National"},
{NAND_MFR_RENESAS, "Renesas"},
{NAND_MFR_SAMSUNG, "Samsung", &samsung_nand_manuf_ops},
{NAND_MFR_SANDISK, "SanDisk"},
{NAND_MFR_SANDISK, "SanDisk", &sandisk_nand_manuf_ops},
{NAND_MFR_STMICRO, "ST Micro"},
{NAND_MFR_TOSHIBA, "Toshiba", &toshiba_nand_manuf_ops},
{NAND_MFR_WINBOND, "Winbond"},

26
drivers/mtd/nand/raw/nand_sandisk.c Normal file
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@ -0,0 +1,26 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#include "internals.h"
static int
sdtnqgama_choose_interface_config(struct nand_chip *chip,
struct nand_interface_config *iface)
{
onfi_fill_interface_config(chip, iface, NAND_SDR_IFACE, 0);
return nand_choose_best_sdr_timings(chip, iface, NULL);
}
static int sandisk_nand_init(struct nand_chip *chip)
{
if (!strncmp("SDTNQGAMA", chip->parameters.model,
sizeof("SDTNQGAMA") - 1))
chip->ops.choose_interface_config =
&sdtnqgama_choose_interface_config;
return 0;
}
const struct nand_manufacturer_ops sandisk_nand_manuf_ops = {
.init = sandisk_nand_init,
};