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