mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-25 12:33:41 +00:00
c935d3bd8b
- more documentation for NIOS port
- new struct nios_pio_t, struct nios_spi_t
- Reconfiguration for NIOS Development Kit DK1C20:
o move board related code from board/dk1c20
to board/altera/dk1c20
o create a new common source path board/altera/common
and move generic flash access stuff into it
o change/expand configuration file DK1C20.h
- Add support for NIOS Development Kit DK1S10
- Add status LED support for NIOS systems
- Add dual 7-segment LED support for Altera NIOS DevKits
62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/*
|
|
* (C) Copyright 2000-2004
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* 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.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
|
|
#include <common.h>
|
|
#include <nios.h>
|
|
|
|
/*
|
|
* include common flash code (for altera boards)
|
|
*/
|
|
#include "../common/flash.c"
|
|
|
|
/*---------------------------------------------------------------------*/
|
|
#define BANKSZ (8 * 1024 * 1024)
|
|
#define SECTSZ (64 * 1024)
|
|
#define USERFLASH (2 * 1024 * 1024) /* bottom 2 MB for user */
|
|
|
|
/*---------------------------------------------------------------------*/
|
|
unsigned long flash_init (void)
|
|
{
|
|
int i;
|
|
unsigned long addr;
|
|
flash_info_t *fli = &flash_info[0];
|
|
|
|
fli->size = BANKSZ;
|
|
fli->sector_count = CFG_MAX_FLASH_SECT;
|
|
fli->flash_id = FLASH_MAN_AMD + FLASH_AMDLV065D;
|
|
|
|
addr = CFG_FLASH_BASE;
|
|
for (i = 0; i < fli->sector_count; ++i) {
|
|
fli->start[i] = addr;
|
|
addr += SECTSZ;
|
|
|
|
/* Protect all but 2 MByte user area */
|
|
if (addr < (CFG_FLASH_BASE + USERFLASH))
|
|
fli->protect[i] = 0;
|
|
else
|
|
fli->protect[i] = 1;
|
|
}
|
|
|
|
return (BANKSZ);
|
|
}
|