2 * Gigadevice SPI flash driver
3 * Copyright 2013, Samsung Electronics Co., Ltd.
4 * Author: Banajit Goswami <banajit.g@samsung.com>
6 * SPDX-License-Identifier: GPL-2.0+
11 #include <spi_flash.h>
13 #include "spi_flash_internal.h"
15 struct gigadevice_spi_flash_params
{
21 static const struct gigadevice_spi_flash_params gigadevice_spi_flash_table
[] = {
34 struct spi_flash
*spi_flash_probe_gigadevice(struct spi_slave
*spi
, u8
*idcode
)
36 const struct gigadevice_spi_flash_params
*params
;
37 struct spi_flash
*flash
;
40 for (i
= 0; i
< ARRAY_SIZE(gigadevice_spi_flash_table
); i
++) {
41 params
= &gigadevice_spi_flash_table
[i
];
42 if (params
->id
== ((idcode
[1] << 8) | idcode
[2]))
46 if (i
== ARRAY_SIZE(gigadevice_spi_flash_table
)) {
47 debug("SF: Unsupported Gigadevice ID %02x%02x\n",
48 idcode
[1], idcode
[2]);
52 flash
= spi_flash_alloc_base(spi
, params
->name
);
54 debug("SF: Failed to allocate memory\n");
58 flash
->page_size
= 256;
59 /* sector_size = page_size * pages_per_sector */
60 flash
->sector_size
= flash
->page_size
* 16;
61 /* size = sector_size * sector_per_block * number of blocks */
62 flash
->size
= flash
->sector_size
* 16 * params
->nr_blocks
;