mirror of
https://github.com/Fishwaldo/u-boot.git
synced 2025-03-26 00:51:33 +00:00
Added NAND support
Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>
This commit is contained in:
TsiChungLiew
Stefan Roese
parent
eaf9e447be
commit
1a33ce65a4
5 changed files with 317 additions and 4 deletions
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@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
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LIB = $(obj)lib$(BOARD).a
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COBJS = $(BOARD).o mii.o
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COBJS = $(BOARD).o mii.o nand.o
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SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS))
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115
board/freescale/m5329evb/nand.c
Normal file
115
board/freescale/m5329evb/nand.c
Normal file
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@ -0,0 +1,115 @@
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/*
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* (C) Copyright 2000-2003
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
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* TsiChung Liew (Tsi-Chung.Liew@freescale.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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#include <config.h>
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#include <common.h>
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#include <asm/io.h>
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#include <asm/immap.h>
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DECLARE_GLOBAL_DATA_PTR;
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#if (CONFIG_COMMANDS & CFG_CMD_NAND)
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#include <nand.h>
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#include <linux/mtd/mtd.h>
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#define SET_CLE 0x10
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#define CLR_CLE ~SET_CLE
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#define SET_ALE 0x08
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#define CLR_ALE ~SET_ALE
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static void nand_hwcontrol(struct mtd_info *mtdinfo, int cmd)
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{
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struct nand_chip *this = mtdinfo->priv;
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volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
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u32 nand_baseaddr = (u32) this->IO_ADDR_W;
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switch (cmd) {
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case NAND_CTL_SETNCE:
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case NAND_CTL_CLRNCE:
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break;
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case NAND_CTL_SETCLE:
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nand_baseaddr |= SET_CLE;
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break;
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case NAND_CTL_CLRCLE:
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nand_baseaddr &= CLR_CLE;
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break;
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case NAND_CTL_SETALE:
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nand_baseaddr |= SET_ALE;
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break;
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case NAND_CTL_CLRALE:
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nand_baseaddr |= CLR_ALE;
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break;
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case NAND_CTL_SETWP:
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fbcs->csmr2 |= CSMR_WP;
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break;
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case NAND_CTL_CLRWP:
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fbcs->csmr2 &= ~CSMR_WP;
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break;
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}
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this->IO_ADDR_W = (void __iomem *)(nand_baseaddr);
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}
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static void nand_write_byte(struct mtd_info *mtdinfo, u_char byte)
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{
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struct nand_chip *this = mtdinfo->priv;
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*((volatile u8 *)(this->IO_ADDR_W)) = byte;
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}
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static u8 nand_read_byte(struct mtd_info *mtdinfo)
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{
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struct nand_chip *this = mtdinfo->priv;
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return (u8) (*((volatile u8 *)this->IO_ADDR_R));
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}
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static int nand_dev_ready(struct mtd_info *mtdinfo)
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{
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return 1;
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}
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int board_nand_init(struct nand_chip *nand)
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{
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volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
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*((volatile u16 *)CFG_LATCH_ADDR) |= 0x0004;
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/* set up pin configuration */
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gpio->par_timer &= ~GPIO_PAR_TIN3_TIN3;
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gpio->pddr_timer |= 0x08;
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gpio->ppd_timer |= 0x08;
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gpio->pclrr_timer = 0;
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gpio->podr_timer = 0;
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nand->chip_delay = 50;
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nand->eccmode = NAND_ECC_SOFT;
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nand->hwcontrol = nand_hwcontrol;
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nand->read_byte = nand_read_byte;
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nand->write_byte = nand_write_byte;
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nand->dev_ready = nand_dev_ready;
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return 0;
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}
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#endif
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@ -15,4 +15,43 @@ extern int test_and_set_bit(int nr, volatile void *addr);
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extern int test_and_clear_bit(int nr, volatile void *addr);
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extern int test_and_change_bit(int nr, volatile void *addr);
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#ifdef __KERNEL__
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/*
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* ffs: find first bit set. This is defined the same way as
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* the libc and compiler builtin ffs routines, therefore
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* differs in spirit from the above ffz (man ffs).
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*/
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extern __inline__ int ffs(int x)
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{
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int r = 1;
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if (!x)
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return 0;
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if (!(x & 0xffff)) {
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x >>= 16;
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r += 16;
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}
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if (!(x & 0xff)) {
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x >>= 8;
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r += 8;
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}
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if (!(x & 0xf)) {
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x >>= 4;
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r += 4;
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}
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if (!(x & 3)) {
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x >>= 2;
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r += 2;
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}
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if (!(x & 1)) {
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x >>= 1;
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r += 1;
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}
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return r;
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}
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#define __ffs(x) (ffs(x) - 1)
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#endif /* __KERNEL__ */
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#endif /* _M68K_BITOPS_H */
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138
include/asm-m68k/errno.h
Normal file
138
include/asm-m68k/errno.h
Normal file
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@ -0,0 +1,138 @@
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#ifndef _PPC_ERRNO_H
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#define _PPC_ERRNO_H
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#define EPERM 1 /* Operation not permitted */
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#define ENOENT 2 /* No such file or directory */
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#define ESRCH 3 /* No such process */
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#define EINTR 4 /* Interrupted system call */
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#define EIO 5 /* I/O error */
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#define ENXIO 6 /* No such device or address */
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#define E2BIG 7 /* Arg list too long */
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#define ENOEXEC 8 /* Exec format error */
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#define EBADF 9 /* Bad file number */
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#define ECHILD 10 /* No child processes */
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#define EAGAIN 11 /* Try again */
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#define ENOMEM 12 /* Out of memory */
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#define EACCES 13 /* Permission denied */
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#define EFAULT 14 /* Bad address */
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#define ENOTBLK 15 /* Block device required */
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#define EBUSY 16 /* Device or resource busy */
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#define EEXIST 17 /* File exists */
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#define EXDEV 18 /* Cross-device link */
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#define ENODEV 19 /* No such device */
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#define ENOTDIR 20 /* Not a directory */
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#define EISDIR 21 /* Is a directory */
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#define EINVAL 22 /* Invalid argument */
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#define ENFILE 23 /* File table overflow */
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#define EMFILE 24 /* Too many open files */
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#define ENOTTY 25 /* Not a typewriter */
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#define ETXTBSY 26 /* Text file busy */
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#define EFBIG 27 /* File too large */
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#define ENOSPC 28 /* No space left on device */
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#define ESPIPE 29 /* Illegal seek */
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#define EROFS 30 /* Read-only file system */
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#define EMLINK 31 /* Too many links */
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#define EPIPE 32 /* Broken pipe */
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#define EDOM 33 /* Math argument out of domain of func */
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#define ERANGE 34 /* Math result not representable */
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#define EDEADLK 35 /* Resource deadlock would occur */
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#define ENAMETOOLONG 36 /* File name too long */
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#define ENOLCK 37 /* No record locks available */
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#define ENOSYS 38 /* Function not implemented */
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#define ENOTEMPTY 39 /* Directory not empty */
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#define ELOOP 40 /* Too many symbolic links encountered */
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#define EWOULDBLOCK EAGAIN /* Operation would block */
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#define ENOMSG 42 /* No message of desired type */
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#define EIDRM 43 /* Identifier removed */
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#define ECHRNG 44 /* Channel number out of range */
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#define EL2NSYNC 45 /* Level 2 not synchronized */
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#define EL3HLT 46 /* Level 3 halted */
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#define EL3RST 47 /* Level 3 reset */
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#define ELNRNG 48 /* Link number out of range */
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#define EUNATCH 49 /* Protocol driver not attached */
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#define ENOCSI 50 /* No CSI structure available */
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#define EL2HLT 51 /* Level 2 halted */
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#define EBADE 52 /* Invalid exchange */
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#define EBADR 53 /* Invalid request descriptor */
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#define EXFULL 54 /* Exchange full */
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#define ENOANO 55 /* No anode */
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#define EBADRQC 56 /* Invalid request code */
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#define EBADSLT 57 /* Invalid slot */
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#define EDEADLOCK 58 /* File locking deadlock error */
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#define EBFONT 59 /* Bad font file format */
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#define ENOSTR 60 /* Device not a stream */
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#define ENODATA 61 /* No data available */
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#define ETIME 62 /* Timer expired */
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#define ENOSR 63 /* Out of streams resources */
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#define ENONET 64 /* Machine is not on the network */
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#define ENOPKG 65 /* Package not installed */
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#define EREMOTE 66 /* Object is remote */
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#define ENOLINK 67 /* Link has been severed */
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#define EADV 68 /* Advertise error */
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#define ESRMNT 69 /* Srmount error */
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#define ECOMM 70 /* Communication error on send */
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#define EPROTO 71 /* Protocol error */
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#define EMULTIHOP 72 /* Multihop attempted */
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#define EDOTDOT 73 /* RFS specific error */
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#define EBADMSG 74 /* Not a data message */
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#define EOVERFLOW 75 /* Value too large for defined data type */
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#define ENOTUNIQ 76 /* Name not unique on network */
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#define EBADFD 77 /* File descriptor in bad state */
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#define EREMCHG 78 /* Remote address changed */
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#define ELIBACC 79 /* Can not access a needed shared library */
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#define ELIBBAD 80 /* Accessing a corrupted shared library */
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#define ELIBSCN 81 /* .lib section in a.out corrupted */
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#define ELIBMAX 82 /* Attempting to link in too many shared libraries */
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#define ELIBEXEC 83 /* Cannot exec a shared library directly */
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#define EILSEQ 84 /* Illegal byte sequence */
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#define ERESTART 85 /* Interrupted system call should be restarted */
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#define ESTRPIPE 86 /* Streams pipe error */
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#define EUSERS 87 /* Too many users */
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#define ENOTSOCK 88 /* Socket operation on non-socket */
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#define EDESTADDRREQ 89 /* Destination address required */
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#define EMSGSIZE 90 /* Message too long */
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#define EPROTOTYPE 91 /* Protocol wrong type for socket */
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#define ENOPROTOOPT 92 /* Protocol not available */
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#define EPROTONOSUPPORT 93 /* Protocol not supported */
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#define ESOCKTNOSUPPORT 94 /* Socket type not supported */
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#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */
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#define EPFNOSUPPORT 96 /* Protocol family not supported */
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#define EAFNOSUPPORT 97 /* Address family not supported by protocol */
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#define EADDRINUSE 98 /* Address already in use */
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#define EADDRNOTAVAIL 99 /* Cannot assign requested address */
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#define ENETDOWN 100 /* Network is down */
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#define ENETUNREACH 101 /* Network is unreachable */
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#define ENETRESET 102 /* Network dropped connection because of reset */
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#define ECONNABORTED 103 /* Software caused connection abort */
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#define ECONNRESET 104 /* Connection reset by peer */
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#define ENOBUFS 105 /* No buffer space available */
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#define EISCONN 106 /* Transport endpoint is already connected */
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#define ENOTCONN 107 /* Transport endpoint is not connected */
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#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */
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#define ETOOMANYREFS 109 /* Too many references: cannot splice */
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#define ETIMEDOUT 110 /* Connection timed out */
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#define ECONNREFUSED 111 /* Connection refused */
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#define EHOSTDOWN 112 /* Host is down */
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#define EHOSTUNREACH 113 /* No route to host */
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#define EALREADY 114 /* Operation already in progress */
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#define EINPROGRESS 115 /* Operation now in progress */
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#define ESTALE 116 /* Stale NFS file handle */
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#define EUCLEAN 117 /* Structure needs cleaning */
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#define ENOTNAM 118 /* Not a XENIX named type file */
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#define ENAVAIL 119 /* No XENIX semaphores available */
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#define EISNAM 120 /* Is a named type file */
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#define EREMOTEIO 121 /* Remote I/O error */
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#define EDQUOT 122 /* Quota exceeded */
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#define ENOMEDIUM 123 /* No medium found */
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#define EMEDIUMTYPE 124 /* Wrong medium type */
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/* Should never be seen by user programs */
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#define ERESTARTSYS 512
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#define ERESTARTNOINTR 513
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#define ERESTARTNOHAND 514 /* restart if no handler.. */
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#define ENOIOCTLCMD 515 /* No ioctl command */
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#define _LAST_ERRNO 515
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#endif
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@ -47,7 +47,7 @@
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#undef CONFIG_WATCHDOG
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#define CONFIG_WATCHDOG_TIMEOUT 5000 /* timeout in milliseconds, max timeout is 6.71sec */
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#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
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#define DEFAULT_COMMANDS ( CONFIG_CMD_DFL | \
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CFG_CMD_CACHE | \
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CFG_CMD_DATE | \
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CFG_CMD_ELF | \
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@ -62,6 +62,12 @@
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CFG_CMD_REGINFO \
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)
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#ifdef NANDFLASH_SIZE
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# define CONFIG_COMMANDS (DEFAULT_COMMANDS | CFG_CMD_NAND)
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#else
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# define CONFIG_COMMANDS (DEFAULT_COMMANDS)
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#endif
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#define CFG_UNIFY_CACHE
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#define CONFIG_MCFFEC
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@ -148,6 +154,8 @@
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#define CFG_MBAR 0xFC000000
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#define CFG_LATCH_ADDR (CFG_CS1_BASE + 0x80000)
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/*
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* Low Level Configuration Settings
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* (address mappings, register initial values, etc.)
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@ -205,6 +213,19 @@
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# define CFG_FLASH_PROTECTION /* "Real" (hardware) sectors protection */
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#endif
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#ifdef NANDFLASH_SIZE
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# define CFG_MAX_NAND_DEVICE 1
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# define CFG_NAND_BASE (CFG_CS2_BASE << 16)
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# define CFG_NAND_SIZE 1
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# define CFG_NAND_BASE_LIST { CFG_NAND_BASE }
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# define NAND_MAX_CHIPS 1
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# define NAND_ALLOW_ERASE_ALL 1
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# define CONFIG_JFFS2_NAND 1
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# define CONFIG_JFFS2_DEV "nand0"
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# define CONFIG_JFFS2_PART_SIZE (CFG_CS2_MASK & ~1)
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# define CONFIG_JFFS2_PART_OFFSET 0x00000000
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#endif
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#define CFG_FLASH_BASE 0
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#define CFG_FLASH0_BASE (CFG_CS0_BASE << 16)
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@ -241,8 +262,8 @@
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#define CFG_CS1_CTRL 0x002A3780
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#ifdef NANDFLASH_SIZE
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#define CFG_CS2_BASE 0x00800000
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#define CFG_CS2_MASK 0x00ff0001
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#define CFG_CS2_BASE 0x2000
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#define CFG_CS2_MASK ((NANDFLASH_SIZE << 20) | 1)
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#define CFG_CS2_CTRL 0x00001f60
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#endif
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