: add AcTux-4 board support

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+/*
+ * (C) Copyright 2007
+ * Michael Schwingen, michael at schwingen.org
+ *
+ * Configuration settings for the AcTux-4 board.
+ *
+ * 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
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_IXP425           1       /* This is an IXP425 CPU    */
+#define CONFIG_ACTUX4           1       /* on an AcTux-4 Board      */
+
+#define CONFIG_DISPLAY_CPUINFO	1	/* display cpu info (and speed)	*/
+#define CONFIG_DISPLAY_BOARDINFO 1	/* display board info		*/
+
+#define CFG_IXP425_CONSOLE	IXP425_UART1
+#define CONFIG_BAUDRATE         115200
+#define CONFIG_BOOTDELAY        3
+#define CONFIG_ZERO_BOOTDELAY_CHECK	/* check for keypress on bootdelay==0 */
+
+
+
+/***************************************************************
+ * U-boot generic defines start here.
+ ***************************************************************/
+#undef CONFIG_USE_IRQ                   /* we don't need IRQ/FIQ stuff */
+
+/*
+ * Size of malloc() pool
+ */
+#define CFG_MALLOC_LEN      (CFG_ENV_SIZE + 128*1024)
+#define CFG_GBL_DATA_SIZE	128	/* size in bytes reserved for initial data */
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_ELF
+
+#define CONFIG_BOOTCOMMAND      "run boot_flash"
+//#define CONFIG_BOOTARGS         "root=/dev/mtdblock2 rootfstype=cramfs console=ttyS0,115200"
+#define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS	1
+#define CONFIG_INITRD_TAG		1
+
+
+
+#if defined(CONFIG_CMD_KGDB)
+#define CONFIG_KGDB_BAUDRATE    230400          /* speed to run kgdb serial port */
+#define CONFIG_KGDB_SER_INDEX   1               /* which serial port to use */
+#endif
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP                            /* undef to save memory         */
+#define CFG_PROMPT              "=> "   /* Monitor Command Prompt       */
+#define CFG_CBSIZE              256             /* Console I/O Buffer Size      */
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define CFG_MAXARGS             16              /* max number of command args   */
+#define CFG_BARGSIZE            CFG_CBSIZE      /* Boot Argument Buffer Size    */
+
+#define CFG_MEMTEST_START       0x00400000      /* memtest works on     */
+#define CFG_MEMTEST_END         0x00800000      /* 4 ... 8 MB in DRAM   */
+
+#undef  CFG_CLKS_IN_HZ          /* everything, incl board info, in Hz */
+
+#define CFG_LOAD_ADDR           0x00010000      /* default load address */
+
+#define CFG_HZ                  3333333         /* spec says 66.666 MHz, but it appears to be 33 */
+						/* valid baudrates */
+#define CFG_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200, 230400 }
+#define CONFIG_SERIAL_RTS_ACTIVE 1
+
+/*
+ * Stack sizes
+ *
+ * The stack sizes are set up in start.S using the settings below
+ */
+#define CONFIG_STACKSIZE        (128*1024)      /* regular stack */
+#ifdef CONFIG_USE_IRQ
+#define CONFIG_STACKSIZE_IRQ    (4*1024)        /* IRQ stack */
+#define CONFIG_STACKSIZE_FIQ    (4*1024)        /* FIQ stack */
+#endif
+
+/*
+ * Expansion bus settings
+ */
+#define CFG_EXP_CS0		0xbd113003
+
+/*
+ * SDRAM settings
+ */
+#define CONFIG_NR_DRAM_BANKS    1
+#define PHYS_SDRAM_1            0x00000000 /* SDRAM Bank #1 */
+#define CFG_DRAM_BASE           0x00000000
+
+
+// 32MB SDRAM
+#define CFG_SDR_CONFIG		0x18
+#define PHYS_SDRAM_1_SIZE	0x02000000	/* 32 MB */
+#define CFG_SDRAM_REFRESH_CNT 	0x81a
+#define CFG_SDR_MODE_CONFIG	0x1
+#define CFG_DRAM_SIZE		0x02000000
+
+
+/*
+ * FLASH organization
+ */
+#define CFG_MAX_FLASH_BANKS     2		/* max number of memory banks           */
+#define CFG_MAX_FLASH_SECT      70		/* max number of sectors on one chip    */
+#define PHYS_FLASH_1            0x50000000	/* Flash Bank #1 */
+#define PHYS_FLASH_2            0x51000000	/* Flash Bank #2 */
+#define CFG_FLASH_BANKS_LIST	{ PHYS_FLASH_1, PHYS_FLASH_2 }
+
+#define CFG_FLASH_BASE          PHYS_FLASH_1
+#define CFG_MONITOR_BASE	PHYS_FLASH_1
+#define CFG_MONITOR_LEN		(252 << 10)	/* Reserve 256 kB for Monitor	*/
+
+#define CFG_FLASH_CFI				/* The flash is CFI compatible	*/
+#define CFG_FLASH_CFI_DRIVER			/* Use common CFI driver	*/
+
+#define CFG_FLASH_CFI_WIDTH	FLASH_CFI_16BIT	/* no byte writes on IXP4xx	*/
+#define CFG_FLASH_ERASE_TOUT	120000		/* Timeout for Flash Erase (in ms)	*/
+#define CFG_FLASH_WRITE_TOUT	500		/* Timeout for Flash Write (in ms)	*/
+
+#define CONFIG_FLASH_CFI_LEGACY	1		/* board provides its own flash_init code */
+#define CFG_FLASH_LEGACY_256Kx8	1		/* SST 39VF020 etc. support */
+
+#define CFG_FLASH_EMPTY_INFO			/* print 'E' for empty sector on flinfo */
+
+/*
+ * environment organization
+ */
+#define	CFG_ENV_IS_IN_FLASH	1
+#define CFG_ENV_SIZE		0x1000 	/* size of one complete sector	*/
+#define CFG_ENV_ADDR		(PHYS_FLASH_1 + 0x3f000)
+//#define CFG_USE_PPCENV		1
+
+
+#define CONFIG_EXTRA_ENV_SETTINGS                                        \
+	"mtd=IXP4XX-Flash.0:252k(uboot),4k(uboot_env);IXP4XX-Flash.1:128k(ucode),1280k(linux),-(root)\0" \
+	"kerneladdr=51020000\0" \
+	"rootaddr=51160000\0" \
+	"loadaddr=10000\0" \
+	"updateboot_ser=mw.b 10000 ff 40000; loady ${loadaddr}; run eraseboot writeboot\0" \
+	"updateboot_net=mw.b 10000 ff 40000; tftp ${loadaddr} u-boot.bin; run eraseboot writeboot\0" \
+	"eraseboot=protect off 50000000 5003efff; erase 50000000 +${filesize}\0" \
+	"writeboot=cp.b 10000 50000000 ${filesize}\0" \
+	"eraseenv=protect off 5003f000 5003ffff; erase 5003f000 5003ffff\0" \
+	"updateroot=tftp ${loadaddr} ${rootfile};era ${rootaddr} +${filesize}; cp.b ${loadaddr} ${rootaddr} ${filesize}\0" \
+	"updatekern=tftp ${loadaddr} ${kernelfile};era ${kerneladdr} +${filesize}; cp.b ${loadaddr} ${kerneladdr} ${filesize}\0" \
+	"flashargs=setenv bootargs mtdparts=${mtd} root=/dev/mtdblock4 rootfstype=squashfs,jffs2 init=/etc/preinit\0" \
+	"netargs=setenv bootargs mtdparts=${mtd} root=/dev/mtdblock4 rootfstype=squashfs,jffs2 init=/etc/preinit\0" \
+	"addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0" \
+	"addeth=setenv bootargs ${bootargs} ethaddr=${ethaddr}\0"	\
+	"boot_flash=run flashargs addtty addeth; bootm ${kerneladdr}\0"	\
+	"boot_net=run netargs   addtty addeth; tftpboot ${loadaddr} ${kernelfile}; bootm\0" \
+
+
+/*
+ * Ethernet
+ */
+#define CONFIG_IXP4XX_NPE	1	/* include IXP4xx NPE support	*/
+#define CONFIG_IXP4XX_NPE_EXT_UCODE_BASE	0x51000000 /* use separate flash sector with ucode images  */
+#define CONFIG_NET_MULTI	1
+#define	CONFIG_PHY_ADDR		0x1C	/* NPE0 PHY address		*/
+#define CONFIG_MII		1	/* MII PHY management		*/
+#define CFG_RX_ETH_BUFFER	16	/* Number of ethernet rx buffers & descriptors */
+
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_NET
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_PING
+#undef  CONFIG_CMD_NFS		/* NFS support			*/
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_BOOTFILESIZE
+#define CONFIG_BOOTP_BOOTPATH
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_HOSTNAME
+
+/*
+ * Cache Configuration
+ */
+#define CFG_CACHELINE_SIZE	32
+
+#endif  /* __CONFIG_H */

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