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https://github.com/AsahiLinux/u-boot
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1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
98 lines
1.9 KiB
C
98 lines
1.9 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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* SPDX-License-Identifier: GPL-2.0+
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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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