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| Commit | Line | Data |
|---|---|---|
| e639cd5b TL |
1 | /* |
| 2 | * OMAP GPMC (General Purpose Memory Controller) defines | |
| 3 | * | |
| 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. | |
| 8 | */ | |
| 9 | ||
| 58bc67fc | 10 | #include <linux/platform_data/gpmc-omap.h> |
| e639cd5b TL |
11 | |
| 12 | #define GPMC_CONFIG_WP 0x00000005 | |
| 13 | ||
| 14 | #define GPMC_IRQ_FIFOEVENTENABLE 0x01 | |
| 15 | #define GPMC_IRQ_COUNT_EVENT 0x02 | |
| 16 | ||
| f47fcad6 RQ |
17 | /** |
| 18 | * gpmc_nand_ops - Interface between NAND and GPMC | |
| 19 | * @nand_write_buffer_empty: get the NAND write buffer empty status. | |
| 20 | */ | |
| 21 | struct gpmc_nand_ops { | |
| 22 | bool (*nand_writebuffer_empty)(void); | |
| 23 | }; | |
| 24 | ||
| 25 | struct gpmc_nand_regs; | |
| 26 | ||
| 27 | #if IS_ENABLED(CONFIG_OMAP_GPMC) | |
| 28 | struct gpmc_nand_ops *gpmc_omap_get_nand_ops(struct gpmc_nand_regs *regs, | |
| 29 | int cs); | |
| 30 | #else | |
| 31 | static inline gpmc_nand_ops *gpmc_omap_get_nand_ops(struct gpmc_nand_regs *regs, | |
| 32 | int cs) | |
| 33 | { | |
| 34 | return NULL; | |
| 35 | } | |
| 36 | #endif /* CONFIG_OMAP_GPMC */ | |
| 37 | ||
| 38 | /*--------------------------------*/ | |
| 39 | ||
| 40 | /* deprecated APIs */ | |
| 41 | #if IS_ENABLED(CONFIG_OMAP_GPMC) | |
| 42 | void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs); | |
| 43 | #else | |
| 44 | static inline void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs) | |
| 45 | { | |
| 46 | } | |
| 47 | #endif /* CONFIG_OMAP_GPMC */ | |
| 48 | /*--------------------------------*/ | |
| 49 | ||
| e639cd5b TL |
50 | extern int gpmc_calc_timings(struct gpmc_timings *gpmc_t, |
| 51 | struct gpmc_settings *gpmc_s, | |
| 52 | struct gpmc_device_timings *dev_t); | |
| 53 | ||
| e639cd5b TL |
54 | struct device_node; |
| 55 | ||
| e639cd5b TL |
56 | extern int gpmc_get_client_irq(unsigned irq_config); |
| 57 | ||
| 58 | extern unsigned int gpmc_ticks_to_ns(unsigned int ticks); | |
| 59 | ||
| 60 | extern void gpmc_cs_write_reg(int cs, int idx, u32 val); | |
| 61 | extern int gpmc_calc_divider(unsigned int sync_clk); | |
| 2e676901 RA |
62 | extern int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t, |
| 63 | const struct gpmc_settings *s); | |
| e639cd5b TL |
64 | extern int gpmc_cs_program_settings(int cs, struct gpmc_settings *p); |
| 65 | extern int gpmc_cs_request(int cs, unsigned long size, unsigned long *base); | |
| 66 | extern void gpmc_cs_free(int cs); | |
| 67 | extern int gpmc_configure(int cmd, int wval); | |
| 68 | extern void gpmc_read_settings_dt(struct device_node *np, | |
| 69 | struct gpmc_settings *p); | |
| 70 | ||
| 71 | extern void omap3_gpmc_save_context(void); | |
| 72 | extern void omap3_gpmc_restore_context(void); | |
| 73 | ||
| 74 | struct gpmc_timings; | |
| 75 | struct omap_nand_platform_data; | |
| 76 | struct omap_onenand_platform_data; | |
| 77 | ||
| 78 | #if IS_ENABLED(CONFIG_MTD_NAND_OMAP2) | |
| 79 | extern int gpmc_nand_init(struct omap_nand_platform_data *d, | |
| 80 | struct gpmc_timings *gpmc_t); | |
| 81 | #else | |
| 82 | static inline int gpmc_nand_init(struct omap_nand_platform_data *d, | |
| 83 | struct gpmc_timings *gpmc_t) | |
| 84 | { | |
| 85 | return 0; | |
| 86 | } | |
| 87 | #endif | |
| 88 | ||
| 89 | #if IS_ENABLED(CONFIG_MTD_ONENAND_OMAP2) | |
| 90 | extern void gpmc_onenand_init(struct omap_onenand_platform_data *d); | |
| 91 | #else | |
| 92 | #define board_onenand_data NULL | |
| 93 | static inline void gpmc_onenand_init(struct omap_onenand_platform_data *d) | |
| 94 | { | |
| 95 | } | |
| 96 | #endif |