Merge with git://www.denx.de/git/u-boot.git

5 files changed, 963 insertions, 17 deletions

diff --git a/common/Makefile b/common/Makefile
index 6f81c4a..74a6af2 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -32,7 +32,7 @@ COBJS	= main.o ACEX1K.o altera.o bedbug.o circbuf.o cmd_autoscript.o \
 	  cmd_cache.o cmd_console.o \
 	  cmd_date.o cmd_dcr.o cmd_diag.o cmd_display.o cmd_doc.o cmd_dtt.o \
 	  cmd_eeprom.o cmd_elf.o cmd_ext2.o \
-	  cmd_fat.o cmd_fdc.o cmd_fdos.o cmd_flash.o cmd_fpga.o \
+	  cmd_fat.o cmd_fdc.o cmd_fdt.o cmd_fdos.o cmd_flash.o cmd_fpga.o \
 	  cmd_i2c.o cmd_ide.o cmd_immap.o cmd_itest.o cmd_jffs2.o \
 	  cmd_load.o cmd_log.o \
 	  cmd_mem.o cmd_mii.o cmd_misc.o cmd_mmc.o \
diff --git a/common/cmd_bdinfo.c b/common/cmd_bdinfo.c
index 70de795..d97c09e 100644
--- a/common/cmd_bdinfo.c
+++ b/common/cmd_bdinfo.c
@@ -180,6 +180,32 @@ int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 
 	return 0;
 }
+#elif defined(CONFIG_MICROBLAZE) /* ! PPC, which leaves Microblaze */
+
+int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	int i;
+	bd_t *bd = gd->bd;
+	print_num ("mem start      ",	(ulong)bd->bi_memstart);
+	print_num ("mem size       ",	(ulong)bd->bi_memsize);
+	print_num ("flash start    ",	(ulong)bd->bi_flashstart);
+	print_num ("flash size     ",	(ulong)bd->bi_flashsize);
+	print_num ("flash offset   ",	(ulong)bd->bi_flashoffset);
+#if defined(CFG_SRAM_BASE)
+	print_num ("sram start     ",	(ulong)bd->bi_sramstart);
+	print_num ("sram size      ",	(ulong)bd->bi_sramsize);
+#endif
+#if defined(CFG_CMD_NET)
+	puts ("ethaddr     =");
+	for (i=0; i<6; ++i) {
+		printf ("%c%02X", i ? ':' : ' ', bd->bi_enetaddr[i]);
+	}
+	puts ("\nip_addr     = ");
+	print_IPaddr (bd->bi_ip_addr);
+#endif
+	printf ("\nbaudrate    = %d bps\n", (ulong)bd->bi_baudrate);
+	return 0;
+}
 
 #else /* ! PPC, which leaves MIPS */
 
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index c0ed076..2721216b 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -34,7 +34,11 @@
 #include <environment.h>
 #include <asm/byteorder.h>
 
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_LIBFDT)
+#include <fdt.h>
+#include <libfdt.h>
+#endif
+#if defined(CONFIG_OF_FLAT_TREE)
 #include <ft_build.h>
 #endif
 
@@ -467,7 +471,7 @@ U_BOOT_CMD(
  	"[addr [arg ...]]\n    - boot application image stored in memory\n"
  	"\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
  	"\t'arg' can be the address of an initrd image\n"
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
 	"\tWhen booting a Linux kernel which requires a flat device-tree\n"
 	"\ta third argument is required which is the address of the of the\n"
 	"\tdevice-tree blob. To boot that kernel without an initrd image,\n"
@@ -529,7 +533,7 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
 	bd_t	*kbd;
 	void	(*kernel)(bd_t *, ulong, ulong, ulong, ulong);
 	image_header_t *hdr = &header;
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
 	char	*of_flat_tree = NULL;
 	ulong	of_data = 0;
 #endif
@@ -622,7 +626,7 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
 	 * Check if there is an initrd image
 	 */
 
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
 	/* Look for a '-' which indicates to ignore the ramdisk argument */
 	if (argc >= 3 && strcmp(argv[2], "-") ==  0) {
 			debug ("Skipping initrd\n");
@@ -739,12 +743,15 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
 		len = data = 0;
 	}
 
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
 	if(argc > 3) {
 		of_flat_tree = (char *) simple_strtoul(argv[3], NULL, 16);
 		hdr = (image_header_t *)of_flat_tree;
-
-		if  (*(ulong *)of_flat_tree == OF_DT_HEADER) {
+#if defined(CONFIG_OF_LIBFDT)
+		if (be32_to_cpu(fdt_magic(of_flat_tree)) == FDT_MAGIC) {
+#else
+		if (*(ulong *)of_flat_tree == OF_DT_HEADER) {
+#endif
 #ifndef CFG_NO_FLASH
 			if (addr2info((ulong)of_flat_tree) != NULL)
 				of_data = (ulong)of_flat_tree;
@@ -787,7 +794,11 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
 				printf("ERROR: uImage is not uncompressed\n");
 				return;
 			}
+#if defined(CONFIG_OF_LIBFDT)
+			if (be32_to_cpu(fdt_magic(of_flat_tree + sizeof(image_header_t))) != FDT_MAGIC) {
+#else
 			if (*((ulong *)(of_flat_tree + sizeof(image_header_t))) != OF_DT_HEADER) {
+#endif
 				printf ("ERROR: uImage data is not a flat device tree\n");
 				return;
 			}
@@ -824,12 +835,20 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
 			of_data += 4 - tail;
 		}
 
+#if defined(CONFIG_OF_LIBFDT)
+		if (be32_to_cpu(fdt_magic(of_data)) != FDT_MAGIC) {
+#else
 		if (((struct boot_param_header *)of_data)->magic != OF_DT_HEADER) {
+#endif
 			printf ("ERROR: image is not a flat device tree\n");
 			return;
 		}
 
+#if defined(CONFIG_OF_LIBFDT)
+		if (be32_to_cpu(fdt_totalsize(of_data)) !=  ntohl(len_ptr[2])) {
+#else
 		if (((struct boot_param_header *)of_data)->totalsize != ntohl(len_ptr[2])) {
+#endif
 			printf ("ERROR: flat device tree size does not agree with image\n");
 			return;
 		}
@@ -913,7 +932,31 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
 	unlock_ram_in_cache();
 #endif
 
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_LIBFDT)
+	/* move of_flat_tree if needed */
+	if (of_data) {
+		int err;
+		ulong of_start, of_len;
+		of_len = be32_to_cpu(fdt_totalsize(of_data));
+		/* provide extra 8k pad */
+		if (initrd_start)
+			of_start = initrd_start - of_len - 8192;
+		else
+			of_start  = (ulong)kbd - of_len - 8192;
+		of_start &= ~(4096 - 1);	/* align on page */
+		debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
+			of_data, of_data + of_len - 1, of_len, of_len);
+
+
+		printf ("   Loading Device Tree to %08lx, end %08lx ... ",
+			of_start, of_start + of_len - 1);
+		err = fdt_open_into(of_start, of_data, of_len);
+		if (err != 0) {
+			printf ("libfdt: %s\n", fdt_strerror(err));
+		}
+	}
+#endif
+#if defined(CONFIG_OF_FLAT_TREE)
 	/* move of_flat_tree if needed */
 	if (of_data) {
 		ulong of_start, of_len;
@@ -942,13 +985,13 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
 	 *   r6: Start of command line string
 	 *   r7: End   of command line string
 	 */
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
 	if (!of_flat_tree)	/* no device tree; boot old style */
 #endif
 		(*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
 		/* does not return */
 
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
 	/*
 	 * Linux Kernel Parameters (passing device tree):
 	 *   r3: ptr to OF flat tree, followed by the board info data
@@ -957,8 +1000,10 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
 	 *   r6: NULL
 	 *   r7: NULL
 	 */
+#if defined(CONFIG_OF_FLAT_TREE)
 	ft_setup(of_flat_tree, kbd, initrd_start, initrd_end);
 	/* ft_dump_blob(of_flat_tree); */
+#endif
 
 	(*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
 #endif
diff --git a/common/cmd_fdt.c b/common/cmd_fdt.c
new file mode 100644
index 0000000..968bade
--- /dev/null
+++ b/common/cmd_fdt.c
@@ -0,0 +1,874 @@
+/*
+ * (C) Copyright 2007
+ * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
+ * Based on code written by:
+ *   Pantelis Antoniou <pantelis.antoniou@gmail.com> and
+ *   Matthew McClintock <msm@freescale.com>
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <command.h>
+#include <linux/ctype.h>
+#include <linux/types.h>
+
+#ifdef CONFIG_OF_LIBFDT
+#include <asm/global_data.h>
+#include <fdt.h>
+#include <libfdt.h>
+
+#define MAX_LEVEL	32		/* how deeply nested we will go */
+#define SCRATCHPAD	1024	/* bytes of scratchpad memory */
+
+/*
+ * Global data (for the gd->bd)
+ */
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Scratchpad memory.
+ */
+static char data[SCRATCHPAD];
+
+
+/*
+ * Function prototypes/declarations.
+ */
+static int fdt_valid(void);
+static void print_data(const void *data, int len);
+static int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end);
+static int fdt_env(void *fdt);
+static int fdt_bd_t(void *fdt);
+
+
+/*
+ * Flattened Device Tree command, see the help for parameter definitions.
+ */
+int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+	char		op;
+
+	if (argc < 2) {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+	/*
+	 * Figure out which subcommand was given
+	 */
+	op = argv[1][0];
+	/********************************************************************
+	 * Set the address of the fdt
+	 ********************************************************************/
+	if (op == 'a') {
+		/*
+		 * Set the address [and length] of the fdt.
+		 */
+		fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
+
+		if (!fdt_valid()) {
+			return 1;
+		}
+
+		if (argc >= 4) {
+			int  len;
+			int  err;
+			/*
+			 * Optional new length
+			 */
+			len =  simple_strtoul(argv[3], NULL, 16);
+			if (len < fdt_totalsize(fdt)) {
+				printf ("New length %d < existing length %d, ignoring.\n",
+					len, fdt_totalsize(fdt));
+			} else {
+				/*
+				 * Open in place with a new length.
+				 */
+				err = fdt_open_into(fdt, fdt, len);
+				if (err != 0) {
+					printf ("libfdt: %s\n", fdt_strerror(err));
+				}
+			}
+		}
+
+	/********************************************************************
+	 * Move the fdt
+	 ********************************************************************/
+	} else if (op == 'm') {
+		struct fdt_header *newaddr;
+		int  len;
+		int  err;
+
+		if (argc != 5) {
+			printf ("Usage:\n%s\n", cmdtp->usage);
+			return 1;
+		}
+
+		/*
+		 * Set the address and length of the fdt.
+		 */
+		fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
+		if (!fdt_valid()) {
+			return 1;
+		}
+
+		newaddr = (struct fdt_header *)simple_strtoul(argv[3], NULL, 16);
+		len     =  simple_strtoul(argv[4], NULL, 16);
+		if (len < fdt_totalsize(fdt)) {
+			printf ("New length %d < existing length %d, aborting.\n",
+				len, fdt_totalsize(fdt));
+			return 1;
+		}
+
+		/*
+		 * Copy to the new location.
+		 */
+		err = fdt_open_into(fdt, newaddr, len);
+		if (err != 0) {
+			printf ("libfdt: %s\n", fdt_strerror(err));
+			return 1;
+		}
+		fdt = newaddr;
+
+	/********************************************************************
+	 * Set the value of a node in the fdt.
+	 ********************************************************************/
+	} else if (op == 's') {
+		char *pathp;		/* path */
+		char *prop;			/* property */
+		struct fdt_property *nodep;	/* node struct pointer */
+		char *newval;		/* value from the user (as a string) */
+		char *vp;			/* temporary value pointer */
+		char *cp;			/* temporary char pointer */
+		int  nodeoffset;	/* node offset from libfdt */
+		int  len;			/* new length of the property */
+		int  oldlen;		/* original length of the property */
+		unsigned long tmp;	/* holds converted values */
+		int  ret;			/* return value */
+
+		/*
+		 * Parameters: Node path, property, value.
+		 */
+		if (argc < 5) {
+			printf ("Usage:\n%s\n", cmdtp->usage);
+			return 1;
+		}
+
+		pathp  = argv[2];
+		prop   = argv[3];
+		newval = argv[4];
+
+		if (strcmp(pathp, "/") == 0) {
+			nodeoffset = 0;
+		} else {
+			nodeoffset = fdt_path_offset (fdt, pathp);
+			if (nodeoffset < 0) {
+				/*
+			 	 * Not found or something else bad happened.
+			 	 */
+				printf ("libfdt: %s\n", fdt_strerror(nodeoffset));
+				return 1;
+			}
+		}
+		nodep = fdt_getprop (fdt, nodeoffset, prop, &oldlen);
+		if (oldlen < 0) {
+			printf ("libfdt %s\n", fdt_strerror(oldlen));
+			return 1;
+		} else if (oldlen == 0) {
+			/*
+			 * The specified property has no value
+			 */
+			printf("%s has no value, cannot set one (yet).\n", prop);
+			return 1;
+		} else {
+			/*
+			 * Convert the new property
+			 */
+			vp = data;
+			if (*newval == '<') {
+				/*
+				 * Bigger values than bytes.
+				 */
+				len = 0;
+				newval++;
+				while ((*newval != '>') && (*newval != '\0')) {
+					cp = newval;
+					tmp = simple_strtoul(cp, &newval, 16);
+					if ((newval - cp) <= 2) {
+						*vp = tmp & 0xFF;
+						vp  += 1;
+						len += 1;
+					} else if ((newval - cp) <= 4) {
+						*(uint16_t *)vp = __cpu_to_be16(tmp);
+						vp  += 2;
+						len += 2;
+					} else if ((newval - cp) <= 8) {
+						*(uint32_t *)vp = __cpu_to_be32(tmp);
+						vp  += 4;
+						len += 4;
+					} else {
+						printf("Sorry, I could not convert \"%s\"\n", cp);
+						return 1;
+					}
+					while (*newval == ' ')
+						newval++;
+				}
+				if (*newval != '>') {
+					printf("Unexpected character '%c'\n", *newval);
+					return 1;
+				}
+			} else if (*newval == '[') {
+				/*
+				 * Byte stream.  Convert the values.
+				 */
+				len = 0;
+				newval++;
+				while ((*newval != ']') && (*newval != '\0')) {
+					tmp = simple_strtoul(newval, &newval, 16);
+					*vp++ = tmp & 0xFF;
+					len++;
+					while (*newval == ' ')
+						newval++;
+				}
+				if (*newval != ']') {
+					printf("Unexpected character '%c'\n", *newval);
+					return 1;
+				}
+			} else {
+				/*
+				 * Assume it is a string.  Copy it into our data area for
+				 * convenience (including the terminating '\0').
+				 */
+				len = strlen(newval) + 1;
+				strcpy(data, newval);
+			}
+
+			ret = fdt_setprop(fdt, nodeoffset, prop, data, len);
+			if (ret < 0) {
+				printf ("libfdt %s\n", fdt_strerror(ret));
+				return 1;
+			}
+		}
+
+	/********************************************************************
+	 * Print (recursive) / List (single level)
+	 ********************************************************************/
+	} else if ((op == 'p') || (op == 'l')) {
+		/*
+		 * Recursively print (a portion of) the fdt.
+		 */
+		static int offstack[MAX_LEVEL];
+		static char tabs[MAX_LEVEL+1] = "\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t";
+		int depth = MAX_LEVEL;	/* how deep to print */
+		char *pathp;		/* path */
+		char *prop;			/* property */
+		void *nodep;		/* property node pointer */
+		int  nodeoffset;	/* node offset from libfdt */
+		int  nextoffset;	/* next node offset from libfdt */
+		uint32_t tag;		/* tag */
+		int  len;			/* length of the property */
+		int  level = 0;		/* keep track of nesting level */
+
+		/*
+		 * list is an alias for print, but limited to 1 level
+		 */
+		if (op == 'l') {
+			depth = 1;
+		}
+
+		/*
+		 * Get the starting path.  The root node is an oddball,
+		 * the offset is zero and has no name.
+		 */
+		pathp = argv[2];
+		if (argc > 3)
+			prop = argv[3];
+		else
+			prop = NULL;
+
+		if (strcmp(pathp, "/") == 0) {
+			nodeoffset = 0;
+			printf("/");
+		} else {
+			nodeoffset = fdt_path_offset (fdt, pathp);
+			if (nodeoffset < 0) {
+				/*
+				 * Not found or something else bad happened.
+				 */
+				printf ("libfdt %s\n", fdt_strerror(nodeoffset));
+				return 1;
+			}
+		}
+		/*
+		 * The user passed in a property as well as node path.  Print only
+		 * the given property and then return.
+		 */
+		if (prop) {
+			nodep = fdt_getprop (fdt, nodeoffset, prop, &len);
+			if (len == 0) {
+				printf("%s %s\n", pathp, prop);	/* no property value */
+				return 0;
+			} else if (len > 0) {
+				printf("%s=", prop);
+				print_data (nodep, len);
+				printf("\n");
+				return 0;
+			} else {
+				printf ("libfdt %s\n", fdt_strerror(len));
+				return 1;
+			}
+		}
+
+		/*
+		 * The user passed in a node path and no property, print the node
+		 * and all subnodes.
+		 */
+		offstack[0] = nodeoffset;
+
+		while(level >= 0) {
+			tag = fdt_next_tag(fdt, nodeoffset, &nextoffset, &pathp);
+			switch(tag) {
+			case FDT_BEGIN_NODE:
+				if(level <= depth)
+					printf("%s%s {\n", &tabs[MAX_LEVEL - level], pathp);
+				level++;
+				offstack[level] = nodeoffset;
+				if (level >= MAX_LEVEL) {
+					printf("Aaaiii <splat> nested too deep.\n");
+					return 1;
+				}
+				break;
+			case FDT_END_NODE:
+				level--;
+				if(level <= depth)
+					printf("%s};\n", &tabs[MAX_LEVEL - level]);
+				if (level == 0) {
+					level = -1;		/* exit the loop */
+				}
+				break;
+			case FDT_PROP:
+				nodep = fdt_getprop (fdt, offstack[level], pathp, &len);
+				if (len < 0) {
+					printf ("libfdt %s\n", fdt_strerror(len));
+					return 1;
+				} else if (len == 0) {
+					/* the property has no value */
+					if(level <= depth)
+						printf("%s%s;\n", &tabs[MAX_LEVEL - level], pathp);
+				} else {
+					if(level <= depth) {
+						printf("%s%s=", &tabs[MAX_LEVEL - level], pathp);
+						print_data (nodep, len);
+						printf(";\n");
+					}
+				}
+				break;
+			case FDT_NOP:
+				break;
+			case FDT_END:
+				return 1;
+			default:
+				if(level <= depth)
+					printf("Unknown tag 0x%08X\n", tag);
+				return 1;
+			}
+			nodeoffset = nextoffset;
+		}
+
+	/********************************************************************
+	 * Remove a property/node
+	 ********************************************************************/
+	} else if (op == 'r') {
+		int  nodeoffset;	/* node offset from libfdt */
+		int  err;
+
+		/*
+		 * Get the path.  The root node is an oddball, the offset
+		 * is zero and has no name.
+		 */
+		if (strcmp(argv[2], "/") == 0) {
+			nodeoffset = 0;
+		} else {
+			nodeoffset = fdt_path_offset (fdt, argv[2]);
+			if (nodeoffset < 0) {
+				/*
+				 * Not found or something else bad happened.
+				 */
+				printf ("libfdt %s\n", fdt_strerror(nodeoffset));
+				return 1;
+			}
+		}
+		/*
+		 * Do the delete.  A fourth parameter means delete a property,
+		 * otherwise delete the node.
+		 */
+		if (argc > 3) {
+			err = fdt_delprop(fdt, nodeoffset, argv[3]);
+			if (err < 0) {
+				printf("fdt_delprop libfdt: %s\n", fdt_strerror(err));
+				return err;
+			}
+		} else {
+			err = fdt_del_node(fdt, nodeoffset);
+			if (err < 0) {
+				printf("fdt_del_node libfdt: %s\n", fdt_strerror(err));
+				return err;
+			}
+		}
+
+	/********************************************************************
+	 * Create a chosen node
+	 ********************************************************************/
+	} else if (op == 'c') {
+		fdt_chosen(fdt, 0, 0);
+
+	/********************************************************************
+	 * Create a u-boot-env node
+	 ********************************************************************/
+	} else if (op == 'e') {
+		fdt_env(fdt);
+
+	/********************************************************************
+	 * Create a bd_t node
+	 ********************************************************************/
+	} else if (op == 'b') {
+		fdt_bd_t(fdt);
+
+	/********************************************************************
+	 * Unrecognized command
+	 ********************************************************************/
+	} else {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+	return 0;
+}
+
+/********************************************************************/
+
+static int fdt_valid(void)
+{
+	if (fdt == NULL) {
+		printf ("The address of the fdt is invalid.\n");
+		return 0;
+	}
+	if (!fdt || (fdt_magic(fdt) != FDT_MAGIC)) {
+		fdt = NULL;
+		printf ("Unrecognized fdt: bad magic\n");
+		return 0;
+	}
+	if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION) {
+		printf ("Unsupported fdt version: $d < %d\n",
+			FDT_FIRST_SUPPORTED_VERSION, fdt_version(fdt));
+		fdt = NULL;
+		return 0;
+	}
+	if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION) {
+		printf ("Unsupported fdt version: $d > %d\n",
+			fdt_version(fdt), FDT_LAST_SUPPORTED_VERSION);
+		fdt = NULL;
+		return 0;
+	}
+	return 1;
+}
+
+/********************************************************************/
+
+/*
+ * OF flat tree handling
+ * Written by: Pantelis Antoniou <pantelis.antoniou@gmail.com>
+ * Updated by: Matthew McClintock <msm@freescale.com>
+ * Converted to libfdt by: Gerald Van Baren <vanbaren@cideas.com>
+ */
+
+static int is_printable_string(const void *data, int len)
+{
+	const char *s = data;
+
+	/* zero length is not */
+	if (len == 0)
+		return 0;
+
+	/* must terminate with zero */
+	if (s[len - 1] != '\0')
+		return 0;
+
+	/* printable or a null byte (concatenated strings) */
+	while (((*s == '\0') || isprint(*s)) && (len > 0)) {
+		/*
+		 * If we see a null, there are three possibilities:
+		 * 1) If len == 1, it is the end of the string, printable
+		 * 2) Next character also a null, not printable.
+		 * 3) Next character not a null, continue to check.
+		 */
+		if (s[0] == '\0') {
+			if (len == 1)
+				return 1;
+			if (s[1] == '\0')
+				return 0;
+		}
+		s++;
+		len--;
+	}
+
+	/* Not the null termination, or not done yet: not printable */
+	if (*s != '\0' || (len != 0))
+		return 0;
+
+	return 1;
+}
+
+static void print_data(const void *data, int len)
+{
+	int j;
+	const u8 *s;
+
+	/* no data, don't print */
+	if (len == 0)
+		return;
+
+	/*
+	 * It is a string, but it may have multiple strings (embedded '\0's).
+	 */
+	if (is_printable_string(data, len)) {
+		puts("\"");
+		j = 0;
+		while (j < len) {
+			if (j > 0)
+				puts("\", \"");
+			puts(data);
+			j    += strlen(data) + 1;
+			data += strlen(data) + 1;
+		}
+		puts("\"");
+		return;
+	}
+
+	switch (len) {
+	case 1:	 /* byte */
+		printf("<%02x>", (*(u8 *) data) & 0xff);
+		break;
+	case 2:	 /* half-word */
+		printf("<%04x>", be16_to_cpu(*(u16 *) data) & 0xffff);
+		break;
+	case 4:	 /* word */
+		printf("<%08x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU);
+		break;
+	case 8:	 /* double-word */
+#if __WORDSIZE == 64
+		printf("<%016llx>", be64_to_cpu(*(uint64_t *) data));
+#else
+		printf("<%08x ", be32_to_cpu(*(u32 *) data) & 0xffffffffU);
+		data += 4;
+		printf("%08x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU);
+#endif
+		break;
+	default:		/* anything else... hexdump */
+		printf("[");
+		for (j = 0, s = data; j < len; j++)
+			printf("%02x%s", s[j], j < len - 1 ? " " : "");
+		printf("]");
+
+		break;
+	}
+}
+
+/********************************************************************/
+
+static int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end)
+{
+	bd_t *bd = gd->bd;
+	int   nodeoffset;
+	int   err;
+	u32   tmp;			/* used to set 32 bit integer properties */
+	char  *str;			/* used to set string properties */
+	ulong clock;
+
+	if (initrd_start && initrd_end) {
+		err = fdt_add_reservemap_entry(fdt,
+			initrd_start, initrd_end - initrd_start + 1);
+		if (err < 0) {
+			printf("libfdt: %s\n", fdt_strerror(err));
+			return err;
+		}
+	}
+
+	/*
+	 * See if we already have a "chosen" node, create it if not.
+	 */
+	nodeoffset = fdt_path_offset (fdt, "/chosen");
+	if (nodeoffset < 0) {
+		/*
+		 * Create a new node "/chosen" (offset 0 is root level)
+		 */
+		nodeoffset = fdt_add_subnode(fdt, 0, "chosen");
+		if (nodeoffset < 0) {
+			printf("libfdt: %s\n", fdt_strerror(nodeoffset));
+			return nodeoffset;
+		}
+	}
+
+	str = getenv("bootargs");
+	if (str != NULL) {
+		err = fdt_setprop(fdt, nodeoffset, "bootargs", str, strlen(str)+1);
+		if (err < 0)
+			printf("libfdt: %s\n", fdt_strerror(err));
+	}
+	if (initrd_start && initrd_end) {
+		tmp = __cpu_to_be32(initrd_start);
+		err = fdt_setprop(fdt, nodeoffset, "linux,initrd-start", &tmp, sizeof(tmp));
+		if (err < 0)
+			printf("libfdt: %s\n", fdt_strerror(err));
+		tmp = __cpu_to_be32(initrd_end);
+		err = fdt_setprop(fdt, nodeoffset, "linux,initrd-end", &tmp, sizeof(tmp));
+		if (err < 0)
+			printf("libfdt: %s\n", fdt_strerror(err));
+	}
+#ifdef OF_STDOUT_PATH
+	err = fdt_setprop(fdt, nodeoffset, "linux,stdout-path", OF_STDOUT_PATH, strlen(OF_STDOUT_PATH)+1);
+	if (err < 0)
+		printf("libfdt: %s\n", fdt_strerror(err));
+#endif
+
+	nodeoffset = fdt_path_offset (fdt, "/cpus");
+	if (nodeoffset >= 0) {
+		clock = cpu_to_be32(bd->bi_intfreq);
+		err = fdt_setprop(fdt, nodeoffset, "clock-frequency", &clock, 4);
+		if (err < 0)
+			printf("libfdt: %s\n", fdt_strerror(err));
+	}
+#ifdef OF_TBCLK
+	nodeoffset = fdt_path_offset (fdt, "/cpus/" OF_CPU "/timebase-frequency");
+	if (nodeoffset >= 0) {
+		clock = cpu_to_be32(OF_TBCLK);
+		err = fdt_setprop(fdt, nodeoffset, "clock-frequency", &clock, 4);
+		if (err < 0)
+			printf("libfdt: %s\n", fdt_strerror(err));
+	}
+#endif
+}
+
+/********************************************************************/
+
+#ifdef CONFIG_OF_HAS_BD_T
+
+/* Function that returns a character from the environment */
+extern uchar(*env_get_char) (int);
+
+#define BDM(x)	{	.name = #x, .offset = offsetof(bd_t, bi_ ##x ) }
+
+static const struct {
+	const char *name;
+	int offset;
+} bd_map[] = {
+	BDM(memstart),
+	BDM(memsize),
+	BDM(flashstart),
+	BDM(flashsize),
+	BDM(flashoffset),
+	BDM(sramstart),
+	BDM(sramsize),
+#if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_8260) \
+	|| defined(CONFIG_E500)
+	BDM(immr_base),
+#endif
+#if defined(CONFIG_MPC5xxx)
+	BDM(mbar_base),
+#endif
+#if defined(CONFIG_MPC83XX)
+	BDM(immrbar),
+#endif
+#if defined(CONFIG_MPC8220)
+	BDM(mbar_base),
+	BDM(inpfreq),
+	BDM(pcifreq),
+	BDM(pevfreq),
+	BDM(flbfreq),
+	BDM(vcofreq),
+#endif
+	BDM(bootflags),
+	BDM(ip_addr),
+	BDM(intfreq),
+	BDM(busfreq),
+#ifdef CONFIG_CPM2
+	BDM(cpmfreq),
+	BDM(brgfreq),
+	BDM(sccfreq),
+	BDM(vco),
+#endif
+#if defined(CONFIG_MPC5xxx)
+	BDM(ipbfreq),
+	BDM(pcifreq),
+#endif
+	BDM(baudrate),
+};
+
+static int fdt_env(void *fdt)
+{
+	int   nodeoffset;
+	int   err;
+	int   k, nxt;
+	int i;
+	static char tmpenv[256];
+
+	/*
+	 * See if we already have a "u-boot-env" node, delete it if so.
+	 * Then create a new empty node.
+	 */
+	nodeoffset = fdt_path_offset (fdt, "/u-boot-env");
+	if (nodeoffset >= 0) {
+		err = fdt_del_node(fdt, nodeoffset);
+		if (err < 0) {
+			printf("libfdt: %s\n", fdt_strerror(err));
+			return err;
+		}
+	}
+	/*
+	 * Create a new node "/u-boot-env" (offset 0 is root level)
+	 */
+	nodeoffset = fdt_add_subnode(fdt, 0, "u-boot-env");
+	if (nodeoffset < 0) {
+		printf("libfdt: %s\n", fdt_strerror(nodeoffset));
+		return nodeoffset;
+	}
+
+	for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
+		char *s, *lval, *rval;
+
+		/*
+		 * Find the end of the name=definition
+		 */
+		for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
+			;
+		s = tmpenv;
+		for (k = i; k < nxt && s < &tmpenv[sizeof(tmpenv) - 1]; ++k)
+			*s++ = env_get_char(k);
+		*s++ = '\0';
+		lval = tmpenv;
+		/*
+		 * Find the first '=': it separates the name from the value
+		 */
+		s = strchr(tmpenv, '=');
+		if (s != NULL) {
+			*s++ = '\0';
+			rval = s;
+		} else
+			continue;
+		err = fdt_setprop(fdt, nodeoffset, lval, rval, strlen(rval)+1);
+		if (err < 0) {
+			printf("\"%s\" - libfdt: %s\n", lval, fdt_strerror(err));
+			return err;
+		}
+	}
+	return 0;
+}
+#endif /* CONFIG_OF_HAS_UBOOT_ENV */
+
+/********************************************************************/
+
+#ifdef CONFIG_OF_HAS_BD_T
+static int fdt_bd_t(void *fdt)
+{
+	bd_t *bd = gd->bd;
+	int   nodeoffset;
+	int   err;
+	u32   tmp;			/* used to set 32 bit integer properties */
+	int i;
+
+	/*
+	 * See if we already have a "bd_t" node, delete it if so.
+	 * Then create a new empty node.
+	 */
+	nodeoffset = fdt_path_offset (fdt, "/bd_t");
+	if (nodeoffset >= 0) {
+		err = fdt_del_node(fdt, nodeoffset);
+		if (err < 0) {
+			printf("libfdt: %s\n", fdt_strerror(err));
+			return err;
+		}
+	}
+	/*
+	 * Create a new node "/bd_t" (offset 0 is root level)
+	 */
+	nodeoffset = fdt_add_subnode(fdt, 0, "bd_t");
+	if (nodeoffset < 0) {
+		printf("libfdt: %s\n", fdt_strerror(nodeoffset));
+		return nodeoffset;
+	}
+	/*
+	 * Use the string/pointer structure to create the entries...
+	 */
+	for (i = 0; i < sizeof(bd_map)/sizeof(bd_map[0]); i++) {
+		tmp = cpu_to_be32(getenv("bootargs"));
+		err = fdt_setprop(fdt, nodeoffset, bd_map[i].name, &tmp, sizeof(tmp));
+		if (err < 0)
+			printf("libfdt: %s\n", fdt_strerror(err));
+	}
+	/*
+	 * Add a couple of oddball entries...
+	 */
+	err = fdt_setprop(fdt, nodeoffset, "enetaddr", &bd->bi_enetaddr, 6);
+	if (err < 0)
+		printf("libfdt: %s\n", fdt_strerror(err));
+	err = fdt_setprop(fdt, nodeoffset, "ethspeed", &bd->bi_ethspeed, 4);
+	if (err < 0)
+		printf("libfdt: %s\n", fdt_strerror(err));
+
+#ifdef CONFIG_OF_BOARD_SETUP
+	ft_board_setup(fdt, bd);
+#endif
+
+	return 0;
+}
+#endif /* CONFIG_OF_HAS_BD_T */
+
+/********************************************************************/
+
+U_BOOT_CMD(
+	fdt,	5,	0,	do_fdt,
+	"fdt     - flattened device tree utility commands\n",
+	    "addr   <addr> [<length>]        - Set the fdt location to <addr>\n"
+	"fdt move   <fdt> <newaddr> <length> - Copy the fdt to <addr>\n"
+	"fdt print  <path> [<prop>]          - Recursive print starting at <path>\n"
+	"fdt list   <path> [<prop>]          - Print one level starting at <path>\n"
+	"fdt set    <path> <prop> [<val>]    - Set <property> [to <val>]\n"
+	"fdt mknode <path> <node>            - Create a new node after <path>\n"
+	"fdt rm     <path> [<prop>]          - Delete the node or <property>\n"
+	"fdt chosen - Add/update the \"/chosen\" branch in the tree\n"
+#ifdef CONFIG_OF_HAS_UBOOT_ENV
+	"fdt env    - Add/replace the \"/u-boot-env\" branch in the tree\n"
+#endif
+#ifdef CONFIG_OF_HAS_BD_T
+	"fdt bd_t   - Add/replace the \"/bd_t\" branch in the tree\n"
+#endif
+	"Hints:\n"
+	" * Set a larger length with the fdt addr command to add to the blob.\n"
+	" * If the property you are setting/printing has a '#' character,\n"
+	"     you MUST escape it with a \\ character or quote it with \" or\n"
+	"     it will be ignored as a comment.\n"
+	" * If the value has spaces in it, you MUST escape the spaces with\n"
+	"     \\ characters or quote it with \"\"\n"
+	"Examples: fdt print /               # print the whole tree\n"
+	"          fdt print /cpus \"#address-cells\"\n"
+	"          fdt set   /cpus \"#address-cells\" \"[00 00 00 01]\"\n"
+);
+
+#endif /* CONFIG_OF_FLAT_TREE */
diff --git a/common/cmd_ide.c b/common/cmd_ide.c
index 2e185cc..b4119f3 100644
--- a/common/cmd_ide.c
+++ b/common/cmd_ide.c
@@ -513,9 +513,11 @@ void ide_init (void)
 #endif
 	unsigned char c;
 	int i, bus;
+#if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
+	unsigned int ata_reset_time;
+#endif
 #ifdef CONFIG_AMIGAONEG3SE
 	unsigned int max_bus_scan;
-	unsigned int ata_reset_time;
 	char *s;
 #endif
 #ifdef CONFIG_IDE_8xx_PCCARD
@@ -617,10 +619,9 @@ void ide_init (void)
 		udelay (100000);		/* 100 ms */
 		ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
 		udelay (100000);		/* 100 ms */
-#ifdef CONFIG_AMIGAONEG3SE
-		ata_reset_time = ATA_RESET_TIME;
-		s = getenv("ide_reset_timeout");
-		if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10);
+#if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
+		if ((s = getenv("ide_reset_timeout")) != NULL)
+			ata_reset_time = simple_strtol(s, NULL, 10);
 #endif
 		i = 0;
 		do {
@@ -628,7 +629,7 @@ void ide_init (void)
 
 			c = ide_inb (dev, ATA_STATUS);
 			i++;
-#ifdef CONFIG_AMIGAONEG3SE
+#if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
 			if (i > (ata_reset_time * 100)) {
 #else
 			if (i > (ATA_RESET_TIME * 100)) {