Blame view
include/linux/omap-gpmc.h
2.78 KB
e639cd5bf
|
1 2 3 4 5 6 7 8 |
/* * 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. */ |
58bc67fc3
|
9 |
#include <linux/platform_data/gpmc-omap.h> |
e639cd5bf
|
10 11 |
#define GPMC_CONFIG_WP 0x00000005 |
384258f25
|
12 13 14 |
/* IRQ numbers in GPMC IRQ domain for legacy boot use */ #define GPMC_IRQ_FIFOEVENTENABLE 0 #define GPMC_IRQ_COUNT_EVENT 1 |
e639cd5bf
|
15 |
|
f47fcad63
|
16 17 18 19 20 21 22 23 24 25 26 27 28 29 |
/** * 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 |
0680b0cab
|
30 31 |
static inline struct gpmc_nand_ops *gpmc_omap_get_nand_ops(struct gpmc_nand_regs *regs, int cs) |
f47fcad63
|
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 |
{ 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 */ /*--------------------------------*/ |
e639cd5bf
|
48 49 50 |
extern int gpmc_calc_timings(struct gpmc_timings *gpmc_t, struct gpmc_settings *gpmc_s, struct gpmc_device_timings *dev_t); |
e639cd5bf
|
51 |
struct device_node; |
e639cd5bf
|
52 53 54 55 56 57 |
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); |
2e6769013
|
58 59 |
extern int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t, const struct gpmc_settings *s); |
e639cd5bf
|
60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 |
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 |