1 /* 2 * arch/arm/plat-omap/include/mach/nand.h 3 * 4 * Copyright (C) 2006 Micron Technology Inc. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 */ 10 11 #include <plat/gpmc.h> 12 #include <linux/mtd/partitions.h> 13 14 enum nand_io { 15 NAND_OMAP_PREFETCH_POLLED = 0, /* prefetch polled mode, default */ 16 NAND_OMAP_POLLED, /* polled mode, without prefetch */ 17 NAND_OMAP_PREFETCH_DMA, /* prefetch enabled sDMA mode */ 18 NAND_OMAP_PREFETCH_IRQ /* prefetch enabled irq mode */ 19 }; 20 21 struct omap_nand_platform_data { 22 int cs; 23 struct mtd_partition *parts; 24 struct gpmc_timings *gpmc_t; 25 int nr_parts; 26 bool dev_ready; 27 int gpmc_irq; 28 enum nand_io xfer_type; 29 unsigned long phys_base; 30 int devsize; 31 enum omap_ecc ecc_opt; 32 }; 33 34 /* minimum size for IO mapping */ 35 #define NAND_IO_SIZE 4 36 37 #if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE) 38 extern int gpmc_nand_init(struct omap_nand_platform_data *d); 39 #else gpmc_nand_init(struct omap_nand_platform_data * d)40static inline int gpmc_nand_init(struct omap_nand_platform_data *d) 41 { 42 return 0; 43 } 44 #endif 45