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
66 lines
1.7 KiB
66 lines
1.7 KiB
/*
|
|
* (C) Copyright 2005 2N TELEKOMUNIKACE, Ladislav Michl
|
|
*
|
|
* 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>
|
|
|
|
#if (CONFIG_COMMANDS & CFG_CMD_NAND)
|
|
|
|
#include <nand.h>
|
|
|
|
/*
|
|
* hardware specific access to control-lines
|
|
*/
|
|
#define MASK_CLE 0x02
|
|
#define MASK_ALE 0x04
|
|
|
|
static void netstar_nand_hwcontrol(struct mtd_info *mtd, int cmd)
|
|
{
|
|
struct nand_chip *this = mtd->priv;
|
|
ulong IO_ADDR_W = (ulong) this->IO_ADDR_W;
|
|
|
|
IO_ADDR_W &= ~(MASK_ALE|MASK_CLE);
|
|
switch (cmd) {
|
|
case NAND_CTL_SETCLE: IO_ADDR_W |= MASK_CLE; break;
|
|
case NAND_CTL_SETALE: IO_ADDR_W |= MASK_ALE; break;
|
|
}
|
|
this->IO_ADDR_W = (void *) IO_ADDR_W;
|
|
}
|
|
|
|
/*
|
|
* chip R/B detection
|
|
*/
|
|
/***
|
|
static int netstar_nand_ready(struct mtd_info *mtd)
|
|
{
|
|
return (*(volatile ushort *)GPIO_DATA_INPUT_REG) & 0x02;
|
|
}
|
|
***/
|
|
|
|
void board_nand_init(struct nand_chip *nand)
|
|
{
|
|
nand->options = NAND_SAMSUNG_LP_OPTIONS;
|
|
nand->eccmode = NAND_ECC_SOFT;
|
|
nand->hwcontrol = netstar_nand_hwcontrol;
|
|
/* nand->dev_ready = netstar_nand_ready; */
|
|
nand->chip_delay = 18;
|
|
}
|
|
#endif
|
|
|