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46 lines
1.3 KiB
46 lines
1.3 KiB
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_ARCH_PXA3XX_NAND_H
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#define __ASM_ARCH_PXA3XX_NAND_H
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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/*
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* Current pxa3xx_nand controller has two chip select which
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* both be workable.
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*
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* Notice should be taken that:
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* When you want to use this feature, you should not enable the
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* keep configuration feature, for two chip select could be
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* attached with different nand chip. The different page size
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* and timing requirement make the keep configuration impossible.
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*/
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/* The max num of chip select current support */
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#define NUM_CHIP_SELECT (2)
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struct pxa3xx_nand_platform_data {
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/* the data flash bus is shared between the Static Memory
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* Controller and the Data Flash Controller, the arbiter
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* controls the ownership of the bus
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*/
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int enable_arbiter;
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/* allow platform code to keep OBM/bootloader defined NFC config */
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int keep_config;
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/* indicate how many chip selects will be used */
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int num_cs;
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/* use an flash-based bad block table */
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bool flash_bbt;
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/* requested ECC strength and ECC step size */
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int ecc_strength, ecc_step_size;
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const struct mtd_partition *parts[NUM_CHIP_SELECT];
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unsigned int nr_parts[NUM_CHIP_SELECT];
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};
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extern void pxa3xx_set_nand_info(struct pxa3xx_nand_platform_data *info);
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#endif /* __ASM_ARCH_PXA3XX_NAND_H */
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