sandbox: Add basic config file

This basic provides required features along with a basic command set.

Signed-off-by: Simon Glass <sjg@chromium.org>

include/configs/sandbox.h

+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * 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
+
+#define CONFIG_NR_DRAM_BANKS	1
+#define CONFIG_DRAM_SIZE	(128 << 20)
+
+/* Number of bits in a C 'long' on this architecture */
+#define CONFIG_SANDBOX_BITS_PER_LONG	64
+
+/*
+ * Size of malloc() pool, although we don't actually use this yet.
+ */
+#define CONFIG_SYS_MALLOC_LEN		(4 << 20)	/* 4MB  */
+
+#define CONFIG_SYS_PROMPT		"=>"	/* Command Prompt */
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
+#define CONFIG_SYS_LONGHELP			/* #undef to save memory */
+#define CONFIG_SYS_CBSIZE		1024	/* Console I/O Buffer Size */
+
+/* Print Buffer Size */
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_MAXARGS	16
+
+/* turn on command-line edit/c/auto */
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_COMMAND_HISTORY
+#define CONFIG_AUTOCOMPLETE
+
+#define CONFIG_ENV_SIZE		8192
+#define CONFIG_ENV_IS_NOWHERE
+
+#define CONFIG_SYS_HZ			1000
+
+/* Memory things - we don't really want a memory test */
+#define CONFIG_SYS_LOAD_ADDR		0x10000000
+#define CONFIG_SYS_MEMTEST_START	0x10000000
+#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START + 0x1000)
+#define CONFIG_PHYS_64BIT
+
+/* Size of our emulated memory */
+#define CONFIG_SYS_SDRAM_SIZE		(128 << 20)
+
+#define CONFIG_BAUDRATE			115200
+#define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
+					115200}
+#define CONFIG_SANDBOX_SERIAL
+
+#define CONFIG_SYS_NO_FLASH
+
+/* include default commands */
+#include <config_cmd_default.h>
+
+/* We don't have networking support yet */
+#undef CONFIG_CMD_NET
+#undef CONFIG_CMD_NFS
+
+#define CONFIG_BOOTARGS ""
+
+#define CONFIG_EXTRA_ENV_SETTINGS	"stdin=serial\0" \
+					"stdout=serial\0" \
+					"stderr=serial\0"
+
+#endif