upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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72 lines
2.4 KiB
72 lines
2.4 KiB
20 years ago
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/*
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* (C) Copyright 2004, Psyent Corporation <www.psyent.com>
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* Scott McNutt <smcnutt@psyent.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*************************************************************************
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* Altera Nios-II EPCS Controller Core interfaces
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************************************************************************/
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#ifndef __NIOS2_EPCS_H__
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#define __NIOS2_EPCS_H__
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typedef struct epcs_devinfo_t {
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const char *name; /* Device name */
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unsigned char id; /* Device silicon id */
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unsigned char size; /* Total size log2(bytes)*/
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unsigned char num_sects; /* Number of sectors */
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unsigned char sz_sect; /* Sector size log2(bytes) */
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unsigned char sz_page; /* Page size log2(bytes) */
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unsigned char prot_mask; /* Protection mask */
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}epcs_devinfo_t;
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/* Returns the devinfo struct if EPCS device is found;
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* NULL otherwise.
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*/
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extern epcs_devinfo_t *epcs_dev_find (void);
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/* Returns the number of bytes used by config data.
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* Negative on error.
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*/
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extern int epcs_cfgsz (void);
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/* Erase sectors 'start' to 'end' - return zero on success
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*/
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extern int epcs_erase (unsigned start, unsigned end);
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/* Read 'cnt' bytes from device offset 'off' into buf at 'addr'
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* Zero return on success
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*/
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extern int epcs_read (ulong addr, ulong off, ulong cnt);
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/* Write 'cnt' bytes to device offset 'off' from buf at 'addr'.
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* Zero return on success
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*/
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extern int epcs_write (ulong addr, ulong off, ulong cnt);
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/* Verify 'cnt' bytes at device offset 'off' comparing with buf
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* at 'addr'. On failure, write first invalid offset to *err.
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* Zero return on success
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*/
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extern int epcs_verify (ulong addr, ulong off, ulong cnt, ulong *err);
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#endif /* __NIOS2_EPCS_H__ */
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