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https://github.com/brain-hackers/u-boot-brain
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5a9109f657
- line over 80 characters - insert the expression in same line Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
142 lines
2.8 KiB
C
142 lines
2.8 KiB
C
/*
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* Copyright (C) 2009 Freescale Semiconductor, Inc.
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*
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* Author: Mingkai Hu (Mingkai.hu@freescale.com)
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* Based on stmicro.c by Wolfgang Denk (wd@denx.de),
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* TsiChung Liew (Tsi-Chung.Liew@freescale.com),
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* and Jason McMullan (mcmullan@netapp.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 spansion_spi_flash_params {
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u16 idcode1;
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u16 idcode2;
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u16 pages_per_sector;
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u16 nr_sectors;
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const char *name;
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};
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static const struct spansion_spi_flash_params spansion_spi_flash_table[] = {
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{
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.idcode1 = 0x0213,
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.idcode2 = 0,
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.pages_per_sector = 256,
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.nr_sectors = 16,
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.name = "S25FL008A",
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},
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{
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.idcode1 = 0x0214,
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.idcode2 = 0,
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.pages_per_sector = 256,
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.nr_sectors = 32,
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.name = "S25FL016A",
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},
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{
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.idcode1 = 0x0215,
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.idcode2 = 0,
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.pages_per_sector = 256,
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.nr_sectors = 64,
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.name = "S25FL032A",
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},
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{
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.idcode1 = 0x0216,
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.idcode2 = 0,
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.pages_per_sector = 256,
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.nr_sectors = 128,
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.name = "S25FL064A",
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},
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{
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.idcode1 = 0x2018,
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.idcode2 = 0x0301,
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.pages_per_sector = 256,
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.nr_sectors = 256,
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.name = "S25FL128P_64K",
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},
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{
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.idcode1 = 0x2018,
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.idcode2 = 0x0300,
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.pages_per_sector = 1024,
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.nr_sectors = 64,
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.name = "S25FL128P_256K",
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},
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{
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.idcode1 = 0x0215,
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.idcode2 = 0x4d00,
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.pages_per_sector = 256,
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.nr_sectors = 64,
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.name = "S25FL032P",
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},
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{
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.idcode1 = 0x0216,
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.idcode2 = 0x4d00,
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.pages_per_sector = 256,
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.nr_sectors = 128,
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.name = "S25FL064P",
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},
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{
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.idcode1 = 0x2018,
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.idcode2 = 0x4d01,
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.pages_per_sector = 256,
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.nr_sectors = 256,
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.name = "S25FL129P_64K/S25FL128S_64K",
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},
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{
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.idcode1 = 0x0219,
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.idcode2 = 0x4d01,
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.pages_per_sector = 256,
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.nr_sectors = 512,
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.name = "S25FL256S_64K",
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},
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{
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.idcode1 = 0x0220,
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.idcode2 = 0x4d01,
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.pages_per_sector = 256,
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.nr_sectors = 1024,
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.name = "S25FL512S_64K",
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},
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};
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struct spi_flash *spi_flash_probe_spansion(struct spi_slave *spi, u8 *idcode)
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{
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const struct spansion_spi_flash_params *params;
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struct spi_flash *flash;
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unsigned int i;
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unsigned short jedec, ext_jedec;
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jedec = idcode[1] << 8 | idcode[2];
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ext_jedec = idcode[3] << 8 | idcode[4];
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for (i = 0; i < ARRAY_SIZE(spansion_spi_flash_table); i++) {
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params = &spansion_spi_flash_table[i];
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if (params->idcode1 == jedec) {
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if (params->idcode2 == ext_jedec)
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break;
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}
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}
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if (i == ARRAY_SIZE(spansion_spi_flash_table)) {
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debug("SF: Unsupported SPANSION ID %04x %04x\n",
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jedec, ext_jedec);
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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 * params->pages_per_sector;
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flash->size = flash->sector_size * params->nr_sectors;
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return flash;
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}
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