You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
87 lines
2.5 KiB
87 lines
2.5 KiB
/*
|
|
* 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 struct 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_ONENAND_OMAP2)
|
|
extern int gpmc_onenand_init(struct omap_onenand_platform_data *d);
|
|
#else
|
|
#define board_onenand_data NULL
|
|
static inline int gpmc_onenand_init(struct omap_onenand_platform_data *d)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|