diff options
Diffstat (limited to 'drivers/mtd/spi/stmicro.c')
| -rw-r--r-- | drivers/mtd/spi/stmicro.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/drivers/mtd/spi/stmicro.c b/drivers/mtd/spi/stmicro.c deleted file mode 100644 index c5fa64e..0000000 --- a/drivers/mtd/spi/stmicro.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * (C) Copyright 2000-2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Copyright 2008, Network Appliance Inc. - * Jason McMullan <mcmullan@netapp.com> - * - * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. - * TsiChung Liew (Tsi-Chung.Liew@freescale.com) - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <malloc.h> -#include <spi_flash.h> - -#include "spi_flash_internal.h" - -/* M25Pxx-specific commands */ -#define CMD_M25PXX_RES 0xab /* Release from DP, and Read Signature */ - -struct stmicro_spi_flash_params { - u16 id; - u16 pages_per_sector; - u16 nr_sectors; - const char *name; -}; - -static const struct stmicro_spi_flash_params stmicro_spi_flash_table[] = { - { - .id = 0x2011, - .pages_per_sector = 128, - .nr_sectors = 4, - .name = "M25P10", - }, - { - .id = 0x2015, - .pages_per_sector = 256, - .nr_sectors = 32, - .name = "M25P16", - }, - { - .id = 0x2012, - .pages_per_sector = 256, - .nr_sectors = 4, - .name = "M25P20", - }, - { - .id = 0x2016, - .pages_per_sector = 256, - .nr_sectors = 64, - .name = "M25P32", - }, - { - .id = 0x2013, - .pages_per_sector = 256, - .nr_sectors = 8, - .name = "M25P40", - }, - { - .id = 0x2017, - .pages_per_sector = 256, - .nr_sectors = 128, - .name = "M25P64", - }, - { - .id = 0x2014, - .pages_per_sector = 256, - .nr_sectors = 16, - .name = "M25P80", - }, - { - .id = 0x2018, - .pages_per_sector = 1024, - .nr_sectors = 64, - .name = "M25P128", - }, - { - .id = 0xba16, - .pages_per_sector = 256, - .nr_sectors = 64, - .name = "N25Q32", - }, - { - .id = 0xbb16, - .pages_per_sector = 256, - .nr_sectors = 64, - .name = "N25Q32A", - }, - { - .id = 0xba17, - .pages_per_sector = 256, - .nr_sectors = 128, - .name = "N25Q064", - }, - { - .id = 0xbb17, - .pages_per_sector = 256, - .nr_sectors = 128, - .name = "N25Q64A", - }, - { - .id = 0xba18, - .pages_per_sector = 256, - .nr_sectors = 256, - .name = "N25Q128", - }, - { - .id = 0xbb18, - .pages_per_sector = 256, - .nr_sectors = 256, - .name = "N25Q128A", - }, - { - .id = 0xba19, - .pages_per_sector = 256, - .nr_sectors = 512, - .name = "N25Q256", - }, - { - .id = 0xbb19, - .pages_per_sector = 256, - .nr_sectors = 512, - .name = "N25Q256A", - }, - { - .id = 0xba20, - .pages_per_sector = 256, - .nr_sectors = 1024, - .name = "N25Q512", - }, - { - .id = 0xbb20, - .pages_per_sector = 256, - .nr_sectors = 1024, - .name = "N25Q512A", - }, - { - .id = 0xba21, - .pages_per_sector = 256, - .nr_sectors = 2048, - .name = "N25Q1024", - }, - { - .id = 0xbb21, - .pages_per_sector = 256, - .nr_sectors = 2048, - .name = "N25Q1024A", - }, -}; - -struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 *idcode) -{ - const struct stmicro_spi_flash_params *params; - struct spi_flash *flash; - unsigned int i; - u16 id; - - if (idcode[0] == 0xff) { - i = spi_flash_cmd(spi, CMD_M25PXX_RES, - idcode, 4); - if (i) - return NULL; - if ((idcode[3] & 0xf0) == 0x10) { - idcode[0] = 0x20; - idcode[1] = 0x20; - idcode[2] = idcode[3] + 1; - } else { - return NULL; - } - } - - id = ((idcode[1] << 8) | idcode[2]); - - for (i = 0; i < ARRAY_SIZE(stmicro_spi_flash_table); i++) { - params = &stmicro_spi_flash_table[i]; - if (params->id == id) - break; - } - - if (i == ARRAY_SIZE(stmicro_spi_flash_table)) { - debug("SF: Unsupported STMicro ID %04x\n", id); - return NULL; - } - - flash = spi_flash_alloc_base(spi, params->name); - if (!flash) { - debug("SF: Failed to allocate memory\n"); - return NULL; - } - - flash->page_size = 256; - flash->sector_size = 256 * params->pages_per_sector; - flash->size = flash->sector_size * params->nr_sectors; - - /* for >= 512MiB flashes, use flag status instead of read_status */ - if (flash->size >= 0x4000000) - flash->poll_cmd = CMD_FLAG_STATUS; - - return flash; -} |