2 * OMAP GPMC (General Purpose Memory Controller) defines
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the
6 * Free Software Foundation; either version 2 of the License, or (at your
7 * option) any later version.
10 #include <linux/platform_data/gpmc-omap.h>
12 #define GPMC_CONFIG_WP 0x00000005
14 #define GPMC_IRQ_FIFOEVENTENABLE 0x01
15 #define GPMC_IRQ_COUNT_EVENT 0x02
17 extern int gpmc_calc_timings(struct gpmc_timings *gpmc_t,
18 struct gpmc_settings *gpmc_s,
19 struct gpmc_device_timings *dev_t);
21 struct gpmc_nand_regs;
24 extern void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs);
25 extern int gpmc_get_client_irq(unsigned irq_config);
27 extern unsigned int gpmc_ticks_to_ns(unsigned int ticks);
29 extern void gpmc_cs_write_reg(int cs, int idx, u32 val);
30 extern int gpmc_calc_divider(unsigned int sync_clk);
31 extern int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t,
32 const struct gpmc_settings *s);
33 extern int gpmc_cs_program_settings(int cs, struct gpmc_settings *p);
34 extern int gpmc_cs_request(int cs, unsigned long size, unsigned long *base);
35 extern void gpmc_cs_free(int cs);
36 extern int gpmc_configure(int cmd, int wval);
37 extern void gpmc_read_settings_dt(struct device_node *np,
38 struct gpmc_settings *p);
40 extern void omap3_gpmc_save_context(void);
41 extern void omap3_gpmc_restore_context(void);
44 struct omap_nand_platform_data;
45 struct omap_onenand_platform_data;
47 #if IS_ENABLED(CONFIG_MTD_NAND_OMAP2)
48 extern int gpmc_nand_init(struct omap_nand_platform_data *d,
49 struct gpmc_timings *gpmc_t);
51 static inline int gpmc_nand_init(struct omap_nand_platform_data *d,
52 struct gpmc_timings *gpmc_t)
58 #if IS_ENABLED(CONFIG_MTD_ONENAND_OMAP2)
59 extern void gpmc_onenand_init(struct omap_onenand_platform_data *d);
61 #define board_onenand_data NULL
62 static inline void gpmc_onenand_init(struct omap_onenand_platform_data *d)