/* * OMAP GPMC (General Purpose Memory Controller) defines * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #include <linux/platform_data/gpmc-omap.h> #define GPMC_CONFIG_WP 0x00000005 /* IRQ numbers in GPMC IRQ domain for legacy boot use */ #define GPMC_IRQ_FIFOEVENTENABLE 0 #define GPMC_IRQ_COUNT_EVENT 1 /** * gpmc_nand_ops - Interface between NAND and GPMC * @nand_write_buffer_empty: get the NAND write buffer empty status. */ struct gpmc_nand_ops { bool (*nand_writebuffer_empty)(void); }; struct gpmc_nand_regs; #if IS_ENABLED(CONFIG_OMAP_GPMC) struct gpmc_nand_ops *gpmc_omap_get_nand_ops(struct gpmc_nand_regs *regs, int cs); #else static inline gpmc_nand_ops *gpmc_omap_get_nand_ops(struct gpmc_nand_regs *regs, int cs) { return NULL; } #endif /* CONFIG_OMAP_GPMC */ /*--------------------------------*/ /* deprecated APIs */ #if IS_ENABLED(CONFIG_OMAP_GPMC) void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs); #else static inline void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs) { } #endif /* CONFIG_OMAP_GPMC */ /*--------------------------------*/ extern int gpmc_calc_timings(struct gpmc_timings *gpmc_t, struct gpmc_settings *gpmc_s, struct gpmc_device_timings *dev_t); struct device_node; extern int gpmc_get_client_irq(unsigned irq_config); extern unsigned int gpmc_ticks_to_ns(unsigned int ticks); extern void gpmc_cs_write_reg(int cs, int idx, u32 val); extern int gpmc_calc_divider(unsigned int sync_clk); extern int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t, const struct gpmc_settings *s); extern int gpmc_cs_program_settings(int cs, struct gpmc_settings *p); extern int gpmc_cs_request(int cs, unsigned long size, unsigned long *base); extern void gpmc_cs_free(int cs); extern int gpmc_configure(int cmd, int wval); extern void gpmc_read_settings_dt(struct device_node *np, struct gpmc_settings *p); extern void omap3_gpmc_save_context(void); extern void omap3_gpmc_restore_context(void); struct gpmc_timings; struct omap_nand_platform_data; struct omap_onenand_platform_data; #if IS_ENABLED(CONFIG_MTD_NAND_OMAP2) extern int gpmc_nand_init(struct omap_nand_platform_data *d, struct gpmc_timings *gpmc_t); #else static inline int gpmc_nand_init(struct omap_nand_platform_data *d, struct gpmc_timings *gpmc_t) { return 0; } #endif #if IS_ENABLED(CONFIG_MTD_ONENAND_OMAP2) extern void gpmc_onenand_init(struct omap_onenand_platform_data *d); #else #define board_onenand_data NULL static inline void gpmc_onenand_init(struct omap_onenand_platform_data *d) { } #endif