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-rw-r--r--include/configs/mx31ads.h181
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diff --git a/include/configs/mx31ads.h b/include/configs/mx31ads.h
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+/*
+ * Copyright (C) 2008, Guennadi Liakhovetski <lg@denx.de>
+ *
+ * Configuration settings for the MX31ADS Freescale board.
+ *
+ * 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
+
+#include <asm/arch/mx31-regs.h>
+
+ /* High Level Configuration Options */
+#define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */
+#define CONFIG_MX31 1 /* in a mx31 */
+#define CONFIG_MX31_HCLK_FREQ 26000000 /* RedBoot says 26MHz */
+#define CONFIG_MX31_CLK32 32000
+
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+
+/*
+ * Disabled for now due to build problems under Debian and a significant increase
+ * in the final file size: 144260 vs. 109536 Bytes.
+ */
+#if 0
+#define CONFIG_OF_LIBFDT 1
+#define CONFIG_FIT 1
+#define CONFIG_FIT_VERBOSE 1
+#endif
+
+#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS 1
+#define CONFIG_INITRD_TAG 1
+
+/*
+ * 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 */
+
+/*
+ * Hardware drivers
+ */
+
+#define CONFIG_MX31_UART 1
+#define CFG_MX31_UART1 1
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_CONS_INDEX 1
+#define CONFIG_BAUDRATE 115200
+#define CFG_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200}
+
+/***********************************************************
+ * Command definition
+ ***********************************************************/
+
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_PING
+
+#define CONFIG_BOOTDELAY 3
+
+#define CONFIG_NETMASK 255.255.255.0
+#define CONFIG_IPADDR 192.168.23.168
+#define CONFIG_SERVERIP 192.168.23.2
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "bootargs_base=setenv bootargs console=ttymxc0,115200\0" \
+ "bootargs_nfs=setenv bootargs $(bootargs) root=/dev/nfs ip=dhcp nfsroot=$(serverip):$(nfsrootfs),v3,tcp\0" \
+ "bootcmd=run bootcmd_net\0" \
+ "bootcmd_net=run bootargs_base bootargs_mtd bootargs_nfs; tftpboot 0x80000000 uImage-mx31; bootm\0" \
+ "prg_uboot=tftpboot 0x80000000 u-boot-mx31ads.bin; protect off 0xa0000000 0xa001ffff; erase 0xa0000000 0xa001ffff; cp.b 0x80000000 0xa0000000 $(filesize)\0"
+
+
+#define CONFIG_DRIVER_CS8900 1
+#define CS8900_BASE 0xb4020300
+#define CS8900_BUS16 1 /* follow the Linux driver */
+
+/*
+ * The MX31ADS board seems to have a hardware "peculiarity" confirmed under
+ * U-Boot, RedBoot and Linux: the ethernet Rx signal is reaching the CS8900A
+ * controller inverted. The controller is capable of detecting and correcting
+ * this, but it needs 4 network packets for that. Which means, at startup, you
+ * will not receive answers to the first 4 packest, unless there have been some
+ * broadcasts on the network, or your board is on a hub. Reducing the ARP
+ * timeout from default 5 seconds to 200ms we speed up the initial TFTP
+ * transfer, should the user wish one, significantly.
+ */
+#define CONFIG_ARP_TIMEOUT 200UL
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP /* undef to save memory */
+#define CFG_PROMPT "=> "
+#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+/* Print Buffer Size */
+#define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
+#define CFG_MAXARGS 16 /* max number of command args */
+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
+
+#define CFG_MEMTEST_START 0 /* memtest works on */
+#define CFG_MEMTEST_END 0x10000
+
+#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
+
+#define CFG_LOAD_ADDR CSD0_BASE /* default load address */
+
+#define CFG_HZ 32000
+
+#define CONFIG_CMDLINE_EDITING 1
+
+/*-----------------------------------------------------------------------
+ * Stack sizes
+ *
+ * The stack sizes are set up in start.S using the settings below
+ */
+#define CONFIG_STACKSIZE (128 * 1024) /* regular stack */
+
+/*-----------------------------------------------------------------------
+ * Physical Memory Map
+ */
+#define CONFIG_NR_DRAM_BANKS 1
+#define PHYS_SDRAM_1 CSD0_BASE
+#define PHYS_SDRAM_1_SIZE (128 * 1024 * 1024)
+
+/*-----------------------------------------------------------------------
+ * FLASH and environment organization
+ */
+#define CFG_FLASH_BASE CS0_BASE
+#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
+#define CFG_MAX_FLASH_SECT 262 /* max number of sectors on one chip */
+#define CFG_MONITOR_BASE CFG_FLASH_BASE /* Monitor at beginning of flash */
+#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256KiB */
+
+#define CFG_ENV_IS_IN_FLASH 1
+#define CFG_ENV_SECT_SIZE (32 * 1024)
+#define CFG_ENV_SIZE CFG_ENV_SECT_SIZE
+
+/* Address and size of Redundant Environment Sector */
+#define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET + CFG_ENV_SIZE)
+#define CFG_ENV_SIZE_REDUND CFG_ENV_SIZE
+
+/* S29WS256N NOR flash has 4 32KiB small sectors at the beginning and at the end.
+ * The rest of 32MiB is in 128KiB big sectors. U-Boot occupies the low 4 sectors,
+ * if we put environment next to it, we will have to occupy 128KiB for it.
+ * Putting it at the top of flash we use only 32KiB. */
+#define CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_ENV_SECT_SIZE)
+
+/*-----------------------------------------------------------------------
+ * CFI FLASH driver setup
+ */
+#define CFG_FLASH_CFI 1 /* Flash memory is CFI compliant */
+#define CFG_FLASH_CFI_DRIVER 1 /* Use drivers/cfi_flash.c */
+#define CONFIG_FLASH_SPANSION_S29WS_N 1 /* A non-standard buffered write algorithm */
+#define CFG_FLASH_USE_BUFFER_WRITE 1 /* Use buffered writes (~10x faster) */
+#define CFG_FLASH_PROTECTION 1 /* Use hardware sector protection */
+
+/*
+ * JFFS2 partitions
+ */
+#undef CONFIG_JFFS2_CMDLINE
+#define CONFIG_JFFS2_DEV "nor0"
+
+#endif /* __CONFIG_H */