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https://github.com/brain-hackers/u-boot-brain
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c0f87dd4ff
Rather than each device having its own way to allocate a SPI flash structure, use the new allocation function everywhere. This will make it easier to extend the interface without breaking devices. Signed-off-by: Simon Glass <sjg@chromium.org>
62 lines
1.2 KiB
C
62 lines
1.2 KiB
C
/*
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* (C) Copyright 2010, ucRobotics Inc.
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* Author: Chong Huang <chuang@ucrobotics.com>
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* Licensed under the GPL-2 or later.
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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 eon_spi_flash_params {
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u8 idcode1;
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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 eon_spi_flash_params eon_spi_flash_table[] = {
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{
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.idcode1 = 0x16,
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.nr_sectors = 1024,
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.name = "EN25Q32B",
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},
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{
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.idcode1 = 0x18,
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.nr_sectors = 4096,
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.name = "EN25Q128",
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},
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};
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struct spi_flash *spi_flash_probe_eon(struct spi_slave *spi, u8 *idcode)
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{
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const struct eon_spi_flash_params *params;
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struct spi_flash *flash;
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(eon_spi_flash_table); ++i) {
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params = &eon_spi_flash_table[i];
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if (params->idcode1 == idcode[2])
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break;
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}
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if (i == ARRAY_SIZE(eon_spi_flash_table)) {
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debug("SF: Unsupported EON ID %02x\n", idcode[1]);
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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 = 256 * 16
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* params->nr_sectors;
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return flash;
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}
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