mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 10:48:51 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/*
|
|
* (C) Copyright 2004, Psyent Corporation <www.psyent.com>
|
|
* Scott McNutt <smcnutt@psyent.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
/*************************************************************************
|
|
* Altera Nios-II EPCS Controller Core interfaces
|
|
************************************************************************/
|
|
|
|
#ifndef __NIOS2_EPCS_H__
|
|
#define __NIOS2_EPCS_H__
|
|
|
|
typedef struct epcs_devinfo_t {
|
|
const char *name; /* Device name */
|
|
unsigned char id; /* Device silicon id */
|
|
unsigned char size; /* Total size log2(bytes)*/
|
|
unsigned char num_sects; /* Number of sectors */
|
|
unsigned char sz_sect; /* Sector size log2(bytes) */
|
|
unsigned char sz_page; /* Page size log2(bytes) */
|
|
unsigned char prot_mask; /* Protection mask */
|
|
}epcs_devinfo_t;
|
|
|
|
/* Resets the epcs controller -- to prevent (potential) soft-reset
|
|
* problems when booting from the epcs controller
|
|
*/
|
|
extern int epcs_reset (void);
|
|
|
|
/* Returns the devinfo struct if EPCS device is found;
|
|
* NULL otherwise.
|
|
*/
|
|
extern epcs_devinfo_t *epcs_dev_find (void);
|
|
|
|
/* Returns the number of bytes used by config data.
|
|
* Negative on error.
|
|
*/
|
|
extern int epcs_cfgsz (void);
|
|
|
|
/* Erase sectors 'start' to 'end' - return zero on success
|
|
*/
|
|
extern int epcs_erase (unsigned start, unsigned end);
|
|
|
|
/* Read 'cnt' bytes from device offset 'off' into buf at 'addr'
|
|
* Zero return on success
|
|
*/
|
|
extern int epcs_read (ulong addr, ulong off, ulong cnt);
|
|
|
|
/* Write 'cnt' bytes to device offset 'off' from buf at 'addr'.
|
|
* Zero return on success
|
|
*/
|
|
extern int epcs_write (ulong addr, ulong off, ulong cnt);
|
|
|
|
/* Verify 'cnt' bytes at device offset 'off' comparing with buf
|
|
* at 'addr'. On failure, write first invalid offset to *err.
|
|
* Zero return on success
|
|
*/
|
|
extern int epcs_verify (ulong addr, ulong off, ulong cnt, ulong *err);
|
|
|
|
#endif /* __NIOS2_EPCS_H__ */
|