115 lines
2.7 KiB
C
115 lines
2.7 KiB
C
/*
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* Copyright 2009(C) Marvell International Ltd. and its affiliates
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* Prafulla Wadaskar <prafulla@marvell.com>
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*
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* Based on drivers/mtd/spi/stmicro.c
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*
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* Copyright 2008, Network Appliance Inc.
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* Jason McMullan <mcmullan@netapp.com>
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*
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* Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
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* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#include <common.h>
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#include <malloc.h>
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#include <spi_flash.h>
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#include "spi_flash_internal.h"
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struct macronix_spi_flash_params {
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u16 idcode;
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u16 nr_blocks;
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const char *name;
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};
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static const struct macronix_spi_flash_params macronix_spi_flash_table[] = {
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{
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.idcode = 0x2013,
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.nr_blocks = 8,
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.name = "MX25L4005",
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},
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{
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.idcode = 0x2014,
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.nr_blocks = 16,
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.name = "MX25L8005",
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},
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{
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.idcode = 0x2015,
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.nr_blocks = 32,
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.name = "MX25L1605D",
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},
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{
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.idcode = 0x2016,
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.nr_blocks = 64,
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.name = "MX25L3205D",
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},
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{
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.idcode = 0x2017,
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.nr_blocks = 128,
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.name = "MX25L6405D",
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},
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{
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.idcode = 0x2018,
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.nr_blocks = 256,
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.name = "MX25L12805D",
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},
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{
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.idcode = 0x2618,
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.nr_blocks = 256,
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.name = "MX25L12855E",
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},
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};
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struct spi_flash *spi_flash_probe_macronix(struct spi_slave *spi, u8 *idcode)
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{
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const struct macronix_spi_flash_params *params;
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struct spi_flash *flash;
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unsigned int i;
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u16 id = idcode[2] | idcode[1] << 8;
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for (i = 0; i < ARRAY_SIZE(macronix_spi_flash_table); i++) {
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params = ¯onix_spi_flash_table[i];
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if (params->idcode == id)
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break;
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}
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if (i == ARRAY_SIZE(macronix_spi_flash_table)) {
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debug("SF: Unsupported Macronix ID %04x\n", id);
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return NULL;
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}
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flash = spi_flash_alloc_base(spi, params->name);
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if (!flash) {
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debug("SF: Failed to allocate memory\n");
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return NULL;
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}
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flash->page_size = 256;
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flash->sector_size = 256 * 16 * 16;
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flash->size = flash->sector_size * params->nr_blocks;
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/* Clear BP# bits for read-only flash */
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spi_flash_cmd_write_status(flash, 0);
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return flash;
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}
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