blob: 6946a62b06797b7002cab83d3080cb82be944e50 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0+ */
#ifndef __BRCMNAND_H__
#define __BRCMNAND_H__
#include <linux/types.h>
#include <linux/io.h>
struct brcmnand_soc {
bool (*ctlrdy_ack)(struct brcmnand_soc *soc);
void (*ctlrdy_set_enabled)(struct brcmnand_soc *soc, bool en);
void (*prepare_data_bus)(struct brcmnand_soc *soc, bool prepare,
bool is_param);
void *ctrl;
};
static inline void brcmnand_soc_data_bus_prepare(struct brcmnand_soc *soc,
bool is_param)
{
if (soc && soc->prepare_data_bus)
soc->prepare_data_bus(soc, true, is_param);
}
static inline void brcmnand_soc_data_bus_unprepare(struct brcmnand_soc *soc,
bool is_param)
{
if (soc && soc->prepare_data_bus)
soc->prepare_data_bus(soc, false, is_param);
}
static inline u32 brcmnand_readl(void __iomem *addr)
{
/*
* MIPS endianness is configured by boot strap, which also reverses all
* bus endianness (i.e., big-endian CPU + big endian bus ==> native
* endian I/O).
*
* Other architectures (e.g., ARM) either do not support big endian, or
* else leave I/O in little endian mode.
*/
if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(CONFIG_SYS_BIG_ENDIAN))
return __raw_readl(addr);
else
return readl_relaxed(addr);
}
static inline void brcmnand_writel(u32 val, void __iomem *addr)
{
/* See brcmnand_readl() comments */
if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(CONFIG_SYS_BIG_ENDIAN))
__raw_writel(val, addr);
else
writel_relaxed(val, addr);
}
int brcmnand_probe(struct udevice *dev, struct brcmnand_soc *soc);
int brcmnand_remove(struct udevice *dev);
#ifndef __UBOOT__
extern const struct dev_pm_ops brcmnand_pm_ops;
#endif /* __UBOOT__ */
#endif /* __BRCMNAND_H__ */