leandrof/u-boot
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

mpc83xx: MPC8360E-RDK: add support for NAND

Browse Source 
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
This commit is contained in:
Anton Vorontsov
2008-03-24 20:46:51 +03:00
committed by Kim Phillips
parent 9a3e832aeb
commit 7ad9594909
3 changed files with 99 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
board/freescale/mpc8360erdk/Makefile
View File

@@ -25,8 +25,10 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
COBJS := $(BOARD).o
COBJS-y += $(BOARD).o
COBJS-$(CONFIG_CMD_NAND) += nand.o
COBJS := $(COBJS-y)
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))

72
board/freescale/mpc8360erdk/nand.c Normal file
View File

@@ -0,0 +1,72 @@
/*
* MPC8360E-RDK support for the NAND on FSL UPM
*
* Copyright (C) 2007 MontaVista Software, Inc.
* Anton Vorontsov <avorontsov@ru.mvista.com>
*
* 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.
*/
#include <config.h>
#include <common.h>
#include <asm/io.h>
#include <asm/immap_83xx.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/fsl_upm.h>
#include <nand.h>
static struct immap *im = (struct immap *)CFG_IMMR;
static const u32 upm_array[] = {
0x0ff03c30, 0x0ff03c30, 0x0ff03c34, 0x0ff33c30, /* Words 0 to 3 */
0xfff33c31, 0xfffffc30, 0xfffffc30, 0xfffffc30, /* Words 4 to 7 */
0x0faf3c30, 0x0faf3c30, 0x0faf3c30, 0x0fff3c34, /* Words 8 to 11 */
0xffff3c31, 0xfffffc30, 0xfffffc30, 0xfffffc30, /* Words 12 to 15 */
0x0fa3fc30, 0x0fa3fc30, 0x0fa3fc30, 0x0ff3fc34, /* Words 16 to 19 */
0xfff3fc31, 0xfffffc30, 0xfffffc30, 0xfffffc30, /* Words 20 to 23 */
0x0ff33c30, 0x0fa33c30, 0x0fa33c34, 0x0ff33c30, /* Words 24 to 27 */
0xfff33c31, 0xfff0fc30, 0xfff0fc30, 0xfff0fc30, /* Words 28 to 31 */
0xfff3fc30, 0xfff3fc30, 0xfff6fc30, 0xfffcfc30, /* Words 32 to 35 */
0xfffcfc30, 0xfffcfc30, 0xfffcfc30, 0xfffcfc30, /* Words 36 to 39 */
0xfffcfc30, 0xfffcfc30, 0xfffcfc30, 0xfffcfc30, /* Words 40 to 43 */
0xfffdfc30, 0xfffffc30, 0xfffffc30, 0xfffffc31, /* Words 44 to 47 */
0xfffffc30, 0xfffffc00, 0xfffffc00, 0xfffffc00, /* Words 48 to 51 */
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, /* Words 52 to 55 */
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, /* Words 56 to 59 */
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, /* Words 60 to 63 */
};
static int dev_ready(void)
{
if (in_be32(&im->qepio.ioport[4].pdat) & 0x00002000) {
debug("nand ready\n");
return 1;
}
debug("nand busy\n");
return 0;
}
static struct fsl_upm_nand fun = {
.upm = {
.array = upm_array,
.io_addr = (void *)CFG_NAND_BASE,
},
.width = 1,
.upm_cmd_offset = 8,
.upm_addr_offset = 16,
.dev_ready = dev_ready,
.wait_pattern = 1,
.chip_delay = 50,
};
int board_nand_init(struct nand_chip *nand)
{
fun.upm.mxmr = &im->lbus.mamr;
fun.upm.mdr = &im->lbus.mdr;
fun.upm.mar = &im->lbus.mar;
return fsl_upm_nand_init(nand, &fun);
}