Add support for KARO TX25 board

This is an i.MX25 base board with only NAND
so it uses nand_spl to boot.

Signed-off-by: John Rigby <jcrigby@gmail.com>

Tune configuration, add support for (redundant) environment in NAND.
Signed-off-by: Wolfgang Denk <wd@denx.de>

Acked-by: Wolfgang Denk <wd@denx.de>
CC: Fred Fan <fanyefeng@gmail.com>
CC: Tom <Tom.Rix@windriver.com>

1 files changed, 179 insertions, 0 deletions

diff --git a/include/configs/tx25.h b/include/configs/tx25.h
new file mode 100644
index 0000000..c8188ca
--- /dev/null
+++ b/include/configs/tx25.h
@@ -0,0 +1,179 @@
+/*
+ * (C) Copyright 2009 DENX Software Engineering
+ * Author: John Rigby <jrigby@gmail.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.
+ *
+ * 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
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+
+/*
+ * KARO TX25 board - SoC Configuration
+ */
+#define CONFIG_ARM926EJS			/* arm926ejs CPU core */
+#define CONFIG_MX25
+#define CONFIG_TX25
+#define CONFIG_MX25_CLK32		32000	/* OSC32K frequency */
+#define CONFIG_SYS_HZ			1000
+
+#define	CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* 256 kB for U-Boot */
+
+/* NAND BOOT is the only boot method */
+#define CONFIG_NAND_U_BOOT
+
+#ifdef CONFIG_NAND_SPL
+/* Start copying real U-boot from the second page */
+#define CONFIG_SYS_NAND_U_BOOT_OFFS	0x800
+#define CONFIG_SYS_NAND_U_BOOT_SIZE	0x30000
+/* Load U-Boot to this address */
+#define CONFIG_SYS_NAND_U_BOOT_DST	0x81f00000
+#define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_NAND_U_BOOT_DST
+
+#define CONFIG_SYS_NAND_PAGE_SIZE	2048
+#define CONFIG_SYS_NAND_SPARE_SIZE	64
+#define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
+#define CONFIG_SYS_NAND_PAGE_COUNT	64
+#define CONFIG_SYS_NAND_SIZE		(128 * 1024 * 1024)
+#define CONFIG_SYS_NAND_BAD_BLOCK_POS	0
+#else
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_SKIP_RELOCATE_UBOOT
+#endif
+
+#define CONFIG_DISPLAY_CPUINFO
+
+#define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS	1
+#define CONFIG_INITRD_TAG		1
+
+/*
+ * Memory Info
+ */
+/* malloc() len */
+#define CONFIG_SYS_MALLOC_LEN		(1 << 20)	/* 1 MiB */
+/* reserved for initial data */
+#define CONFIG_SYS_GBL_DATA_SIZE	128
+/*
+ * Board has 2 32MB banks of DRAM but there is a bug when using
+ * both so only the first is configured
+ */
+#define CONFIG_NR_DRAM_BANKS	1
+
+#define PHYS_SDRAM_1		0x80000000
+#define PHYS_SDRAM_1_SIZE	0x02000000
+#if (CONFIG_NR_DRAM_BANKS == 2)
+#define PHYS_SDRAM_2		0x90000000
+#define PHYS_SDRAM_2_SIZE	0x02000000
+#endif
+/* 8MB DRAM test */
+#define CONFIG_SYS_MEMTEST_START	PHYS_SDRAM_1
+#define CONFIG_SYS_MEMTEST_END		(PHYS_SDRAM_1+0x0800000)
+#define CONFIG_STACKSIZE	(256 * 1024)	/* regular stack */
+
+/*
+ * Serial Info
+ */
+#define CONFIG_MXC_UART		1
+#define CONFIG_SYS_MX25_UART1	1
+#define CONFIG_CONS_INDEX	1	/* use UART0 for console */
+#define CONFIG_BAUDRATE		115200	/* Default baud rate */
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+/*
+ * Flash & Environment
+ */
+/* No NOR flash present */
+#define CONFIG_SYS_NO_FLASH	1
+#define	CONFIG_ENV_IS_IN_NAND
+#define	CONFIG_ENV_OFFSET	CONFIG_SYS_MONITOR_LEN
+#define CONFIG_ENV_SIZE		(128 * 1024)	/* 128 kB NAND block size */
+#define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
+
+/* NAND */
+#define CONFIG_NAND_MXC
+#define CONFIG_NAND_MXC_V1_1
+#define CONFIG_MXC_NAND_REGS_BASE	(0xBB000000)
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+#define CONFIG_SYS_NAND_BASE		(0xBB000000)
+#define CONFIG_JFFS2_NAND
+#define CONFIG_MXC_NAND_HWECC
+#define CONFIG_SYS_NAND_LARGEPAGE
+
+#define CONFIG_SYS_64BIT_VSPRINTF
+
+/* U-Boot general configuration */
+#define CONFIG_SYS_PROMPT	"=> "	/* Monitor Command Prompt */
+#define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size  */
+/* Print buffer sz */
+#define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE + \
+		sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_MAXARGS	32	/* max number of command args */
+/* Boot Argument Buffer Size */
+#define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_SYS_LONGHELP
+
+/* U-Boot commands */
+#include <config_cmd_default.h>
+#define CONFIG_CMD_NAND
+
+/*
+ * Ethernet
+ */
+#define CONFIG_FEC_MXC
+#define CONFIG_FEC_MXC_PHYADDR		0x1f
+#define CONFIG_MII
+#define CONFIG_CMD_NET
+#define CONFIG_NET_MULTI
+#define BOARD_LATE_INIT
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_BOOTDELAY	5
+
+#define CONFIG_LOADADDR		0x81000000	/* loadaddr env var */
+#define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
+
+#define xstr(s)	str(s)
+#define str(s)	#s
+
+#define	CONFIG_EXTRA_ENV_SETTINGS					\
+	"netdev=eth0\0"							\
+	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
+		"nfsroot=${serverip}:${rootpath}\0"			\
+	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
+	"addip=setenv bootargs ${bootargs} "				\
+		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
+		":${hostname}:${netdev}:off panic=1\0"			\
+	"addtty=setenv bootargs ${bootargs}"				\
+		" console=ttymxc0,${baudrate}\0"			\
+	"addmtd=setenv bootargs ${bootargs} ${mtdparts}\0"		\
+	"addmisc=setenv bootargs ${bootargs}\0"				\
+	"u-boot=tx25/u-boot.bin\0"					\
+	"kernel_addr_r=" xstr(CONFIG_LOADADDR) "\0"			\
+	"hostname=tx25\0"						\
+	"bootfile=tx25/uImage\0"					\
+	"rootpath=/opt/eldk/arm\0"					\
+	"net_nfs=tftp ${kernel_addr_r} ${bootfile};"			\
+		"run nfsargs addip addtty addmtd addmisc;"		\
+		"bootm\0"						\
+	"bootcmd=run net_nfs\0"						\
+	"load=tftp ${loadaddr} ${u-boot}\0"				\
+	"update=nand erase 0 40000;nand write ${loadaddr} 0 40000\0"	\
+	"upd=run load update\0"						\
+
+#endif /* __CONFIG_H */