u-boot/board/xes/common/actl_nand.c
Tom Rini 1cefed1e39 nand.h: Cleanup linux/mtd/rawnand.h usage
We only include <linux/mtd/rawnand.h> in <nand.h> for the forward
declaration of struct nand_chip, so do that directly.  Then, include
<linux/mtd/rawnand.h> where required directly.

Signed-off-by: Tom Rini <trini@konsulko.com>
2021-10-06 09:16:23 -04:00

49 lines
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2008 Extreme Engineering Solutions, Inc.
*
* This driver support NAND devices which have address lines
* connected as ALE and CLE inputs.
*/
#include <common.h>
#include <nand.h>
#include <linux/mtd/rawnand.h>
#include <asm/io.h>
/*
* Hardware specific access to control-lines
*/
static void nand_addr_hwcontrol(struct mtd_info *mtd, int cmd, uint ctrl)
{
struct nand_chip *this = mtd_to_nand(mtd);
ulong IO_ADDR_W;
if (ctrl & NAND_CTRL_CHANGE) {
IO_ADDR_W = (ulong)this->IO_ADDR_W;
IO_ADDR_W &= ~(CONFIG_SYS_NAND_ACTL_CLE |
CONFIG_SYS_NAND_ACTL_ALE |
CONFIG_SYS_NAND_ACTL_NCE);
if (ctrl & NAND_CLE)
IO_ADDR_W |= CONFIG_SYS_NAND_ACTL_CLE;
if (ctrl & NAND_ALE)
IO_ADDR_W |= CONFIG_SYS_NAND_ACTL_ALE;
if (ctrl & NAND_NCE)
IO_ADDR_W |= CONFIG_SYS_NAND_ACTL_NCE;
this->IO_ADDR_W = (void *)IO_ADDR_W;
}
if (cmd != NAND_CMD_NONE)
writeb(cmd, this->IO_ADDR_W);
}
int board_nand_init(struct nand_chip *nand)
{
nand->ecc.mode = NAND_ECC_SOFT;
nand->cmd_ctrl = nand_addr_hwcontrol;
nand->chip_delay = CONFIG_SYS_NAND_ACTL_DELAY;
return 0;
}