70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
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/*
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* Copyright (c) Hunan Goke,Chengdu Goke,Shandong Goke. 2021. All rights reserved.
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*/
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#include <common.h>
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#include <malloc.h>
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#include <asm/io.h>
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#include <spi_flash.h>
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#include <errno.h>
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#include <linux/mtd/mtd.h>
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#include "spi.h"
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/*****************************************************************************/
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static struct spi_flash *spiflash;
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static struct mtd_info_ex *spiinfo_ex;
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/*****************************************************************************/
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struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs,
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unsigned int max_hz, unsigned int spi_mode)
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{
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if (get_boot_media() != BOOT_MEDIA_SPIFLASH) {
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puts("Boot Media isn't SPI Nor\n");
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return NULL;
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}
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if (spiflash)
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return spiflash;
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#ifdef CONFIG_FMC_SPI_NOR
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spiflash = fmc100_spi_nor_probe(&spiinfo_ex);
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spiflash->erase_size = spiinfo_ex->erasesize;
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#endif
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return spiflash;
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}
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/*****************************************************************************/
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struct mtd_info_ex *get_spiflash_info(void)
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{
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if (spiinfo_ex)
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return spiinfo_ex;
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#ifdef CONFIG_FMC_SPI_NOR
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spiinfo_ex = fmc100_get_spi_nor_info(spiflash);
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#endif
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return spiinfo_ex;
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}
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/*****************************************************************************/
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void spi_flash_free(struct spi_flash *flash)
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{
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}
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/*****************************************************************************/
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#ifdef CONFIG_SPI_BLOCK_PROTECT
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void spi_flash_lock(unsigned char cmp, unsigned char level, unsigned char op)
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{
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cmp = BP_CMP_BOTTOM;
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if (spiflash->lock)
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spiflash->lock(cmp, level, op);
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return;
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}
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/*****************************************************************************/
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#endif /* CONFIG_SPI_BLOCK_PROTECT */
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