Hello list,

inside the automatic U-Boot patch tracking system a new ticket [DNX#2006033142000838] was created:

<snip>

Hi Wolfgang.

The following patch supports the NAND present on the Silicon Turnkey's XTc board.

The patch is against the testing-NAND branch of u-boot.

----------8< CHANGELOG 8<------------------

• Support NAND on STXXTC

----------8< patch 8<---------------------- --- a/board/stxxtc/Makefile +++ b/board/stxxtc/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk

LIB = lib$(BOARD).a

-OBJS = $(BOARD).o oftree.o +OBJS = $(BOARD).o oftree.o nand.o

$(LIB): .depend $(OBJS) $(AR) crv $@ $(OBJS) --- /dev/null +++ b/board/stxxtc/nand.c @@ -0,0 +1,78 @@ +/*

• • (C) Copyright 2000-2004
• • Pantelis Antoniou, pantelis.antoniou@gmail.com
• • Wolfgang Denk, DENX Software Engineering, wd@denx.de.
• • (C) Copyright 2005
• • Dan Malek, Embedded Edge, LLC, dan@embeddededge.com
• • 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>

+static void stxxtc_nand_hwcontrol(struct mtd_info *mtd, int cmd) +{

• struct nand_chip *this = mtd->priv;
• ulong IO_ADDR_W = (ulong) this->IO_ADDR_W;
• volatile immap_t *imap = (volatile immap_t *)CFG_IMMR;
• switch (cmd) {

• case NAND_CTL_SETNCE:
  

• 	imap->im_ioport.iop_padat &= ~(1 << (15 - 7));
  

• 	break;
  

• case NAND_CTL_CLRNCE:
  

• 	imap->im_ioport.iop_padat |=  (1 << (15 - 7));
  

• 	break;
  

• case NAND_CTL_SETALE:
  

• 	imap->im_ioport.iop_pcdat |=  (1 << (15 - 15));
  

• 	break;
  

• case NAND_CTL_CLRALE:
  

• 	imap->im_ioport.iop_pcdat &= ~(1 << (15 - 15));
  

• 	break;
  

• case NAND_CTL_SETCLE:
  

• 	imap->im_cpm.cp_pbdat |=  (1 << (31 - 23));
  

• 	break;
  

• case NAND_CTL_CLRCLE:
  

• 	imap->im_cpm.cp_pbdat &= ~(1 << (31 - 23));
  

• 	break;
  

• }

+}

+/*

• • chip R/B detection
• */

+static int stxxtc_nand_ready(struct mtd_info *mtd) +{

• volatile immap_t *imap = (volatile immap_t *)CFG_IMMR;
• return !!(imap->im_ioport.iop_padat & (1 << (15 - 6)));

+}

+void board_nand_init(struct nand_chip *nand) +{

• nand->options = NAND_SAMSUNG_LP_OPTIONS;
• nand->eccmode = NAND_ECC_SOFT;

</snip>

Your U-Boot support team