mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-17 18:28:55 +00:00
1cefed1e39
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>
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2000-2003
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
|
|
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#include <asm/immap.h>
|
|
|
|
#if defined(CONFIG_CMD_NAND)
|
|
#include <nand.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/rawnand.h>
|
|
|
|
#define SET_CLE 0x10
|
|
#define SET_ALE 0x08
|
|
|
|
static void nand_hwcontrol(struct mtd_info *mtdinfo, int cmd, unsigned int ctrl)
|
|
{
|
|
struct nand_chip *this = mtd_to_nand(mtdinfo);
|
|
volatile u16 *nCE = (u16 *) CONFIG_SYS_LATCH_ADDR;
|
|
|
|
if (ctrl & NAND_CTRL_CHANGE) {
|
|
ulong IO_ADDR_W = (ulong) this->IO_ADDR_W;
|
|
|
|
IO_ADDR_W &= ~(SET_ALE | SET_CLE);
|
|
|
|
if (ctrl & NAND_NCE)
|
|
*nCE &= 0xFFFB;
|
|
else
|
|
*nCE |= 0x0004;
|
|
|
|
if (ctrl & NAND_CLE)
|
|
IO_ADDR_W |= SET_CLE;
|
|
if (ctrl & NAND_ALE)
|
|
IO_ADDR_W |= SET_ALE;
|
|
|
|
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)
|
|
{
|
|
gpio_t *gpio = (gpio_t *) MMAP_GPIO;
|
|
|
|
/*
|
|
* set up pin configuration - enabled 2nd output buffer's signals
|
|
* (nand_ngpio - nCE USB1/2_PWR_EN, LATCH_GPIOs, LCD_VEEEN, etc)
|
|
* to use nCE signal
|
|
*/
|
|
clrbits_8(&gpio->par_timer, GPIO_PAR_TIN3_TIN3);
|
|
setbits_8(&gpio->pddr_timer, 0x08);
|
|
setbits_8(&gpio->ppd_timer, 0x08);
|
|
out_8(&gpio->pclrr_timer, 0);
|
|
out_8(&gpio->podr_timer, 0);
|
|
|
|
nand->chip_delay = 60;
|
|
nand->ecc.mode = NAND_ECC_SOFT;
|
|
nand->cmd_ctrl = nand_hwcontrol;
|
|
|
|
return 0;
|
|
}
|
|
#endif
|