[U-Boot-Users] [PATCH v2 2/2] mpc83xx: MPC8360E-RDK: add support for NAND

Anton Vorontsov
2008-01-14T20:09:45Z

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
---
board/freescale/mpc8360erdk/Makefile | 2 +-
board/freescale/mpc8360erdk/nand.c | 75 ++++++++++++++++++++++++++++++++++
include/configs/MPC8360ERDK.h | 24 +++++++++++
3 files changed, 100 insertions(+), 1 deletions(-)
create mode 100644 board/freescale/mpc8360erdk/nand.c

diff --git a/board/freescale/mpc8360erdk/Makefile b/board/freescale/mpc8360erdk/Makefile
index acc9544..97ae11d 100644
--- a/board/freescale/mpc8360erdk/Makefile
+++ b/board/freescale/mpc8360erdk/Makefile
@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk

LIB = $(obj)lib$(BOARD).a

-COBJS := $(BOARD).o
+COBJS := $(BOARD).o nand.o

SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
diff --git a/board/freescale/mpc8360erdk/nand.c b/board/freescale/mpc8360erdk/nand.c
new file mode 100644
index 0000000..7c06a3f
--- /dev/null
+++ b/board/freescale/mpc8360erdk/nand.c
@@ -0,0 +1,75 @@
+/*
+ * 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>
+
+#if defined(CONFIG_CMD_NAND)
+#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);
+}
+#endif /* CONFIG_CMD_NAND */
diff --git a/include/configs/MPC8360ERDK.h b/include/configs/MPC8360ERDK.h
index e6d0c5e..b258d91 100644
--- a/include/configs/MPC8360ERDK.h
+++ b/include/configs/MPC8360ERDK.h
@@ -186,6 +186,11 @@
* NAND flash on the local bus
*/
#define CFG_NAND_BASE 0x60000000
+#define CONFIG_CMD_NAND 1
+#define CONFIG_NAND_FSL_UPM 1
+#define CFG_MAX_NAND_DEVICE 1
+#define NAND_MAX_CHIPS 1
+#define CONFIG_MTD_NAND_VERIFY_WRITE

#define CFG_LBLAWBAR1_PRELIM CFG_NAND_BASE
#define CFG_LBLAWAR1_PRELIM 0x8000001b /* Access window size 4K */
@@ -514,23 +519,42 @@
"fdtfile=dtb\0"\
"fsfile=fs\0"\
"ubootfile=u-boot.bin\0"\
+ "mtdparts=mtdparts=60000000.nand-flash:4096k(kernel),128k(dtb),-(rootfs)\0"\
"setbootargs=setenv bootargs console=$consoledev,$baudrate "\
"$mtdparts panic=1\0"\
"adddhcpargs=setenv bootargs $bootargs ip=on\0"\
"addnfsargs=setenv bootargs $bootargs ip=$ipaddr:$serverip:"\
"$gatewayip:$netmask:$hostname:$netdev:off "\
"root=/dev/nfs rw nfsroot=$serverip:$rootpath\0"\
+ "addnandargs=setenv bootargs $bootargs root=/dev/mtdblock3 "\
+ "rootfstype=jffs2 rw\0"\
"tftp_get_uboot=tftp 100000 $ubootfile\0"\
"tftp_get_kernel=tftp $loadaddr $bootfile\0"\
"tftp_get_dtb=tftp $fdtaddr $fdtfile\0"\
"tftp_get_fs=tftp c00000 $fsfile\0"\
+ "nand_erase_kernel=nand erase 0 400000\0"\
+ "nand_erase_dtb=nand erase 400000 20000\0"\
+ "nand_erase_fs=nand erase 420000 3be0000\0"\
+ "nand_write_kernel=nand write.jffs2 $loadaddr 0 400000\0"\
+ "nand_write_dtb=nand write.jffs2 $fdtaddr 400000 20000\0"\
+ "nand_write_fs=nand write.jffs2 c00000 420000 $filesize\0"\
+ "nand_read_kernel=nand read.jffs2 $loadaddr 0 400000\0"\
+ "nand_read_dtb=nand read.jffs2 $fdtaddr 400000 20000\0"\
"nor_reflash=protect off ff800000 ff87ffff ; erase ff800000 ff87ffff ; "\
"cp.b 100000 ff800000 $filesize\0"\
+ "nand_reflash_kernel=run tftp_get_kernel nand_erase_kernel "\
+ "nand_write_kernel\0"\
+ "nand_reflash_dtb=run tftp_get_dtb nand_erase_dtb nand_write_dtb\0"\
+ "nand_reflash_fs=run tftp_get_fs nand_erase_fs nand_write_fs\0"\
+ "nand_reflash=run nand_reflash_kernel nand_reflash_dtb "\
+ "nand_reflash_fs\0"\
"boot_m=bootm $loadaddr - $fdtaddr\0"\
"dhcpboot=run setbootargs adddhcpargs tftp_get_kernel tftp_get_dtb "\
"boot_m\0"\
"nfsboot=run setbootargs addnfsargs tftp_get_kernel tftp_get_dtb "\
"boot_m\0"\
+ "nandboot=run setbootargs addnandargs nand_read_kernel nand_read_dtb "\
+ "boot_m\0"\
""

#define CONFIG_BOOTCOMMAND "run dhcpboot"
--
1.5.2.2