Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 992 insertions, 0 deletions

diff --git a/roms/u-boot-sam460ex/common/fdt_support.c b/roms/u-boot-sam460ex/common/fdt_support.c
new file mode 100644
index 000000000..a8ac617da
--- /dev/null
+++ b/roms/u-boot-sam460ex/common/fdt_support.c
@@ -0,0 +1,992 @@
+/*
+ * (C) Copyright 2007
+ * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.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 <stdio_dev.h>
+#include <linux/ctype.h>
+#include <linux/types.h>
+#include <asm/global_data.h>
+#include <fdt.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <exports.h>
+
+/*
+ * Global data (for the gd->bd)
+ */
+DECLARE_GLOBAL_DATA_PTR;
+
+/**
+ * fdt_getprop_u32_default - Find a node and return it's property or a default
+ *
+ * @fdt: ptr to device tree
+ * @path: path of node
+ * @prop: property name
+ * @dflt: default value if the property isn't found
+ *
+ * Convenience function to find a node and return it's property or a
+ * default value if it doesn't exist.
+ */
+u32 fdt_getprop_u32_default(void *fdt, const char *path, const char *prop,
+				const u32 dflt)
+{
+	const u32 *val;
+	int off;
+
+	off = fdt_path_offset(fdt, path);
+	if (off < 0)
+		return dflt;
+
+	val = fdt_getprop(fdt, off, prop, NULL);
+	if (val)
+		return *val;
+	else
+		return dflt;
+}
+
+/**
+ * fdt_find_and_setprop: Find a node and set it's property
+ *
+ * @fdt: ptr to device tree
+ * @node: path of node
+ * @prop: property name
+ * @val: ptr to new value
+ * @len: length of new property value
+ * @create: flag to create the property if it doesn't exist
+ *
+ * Convenience function to directly set a property given the path to the node.
+ */
+int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
+			 const void *val, int len, int create)
+{
+	int nodeoff = fdt_path_offset(fdt, node);
+
+	if (nodeoff < 0)
+		return nodeoff;
+
+	if ((!create) && (fdt_get_property(fdt, nodeoff, prop, 0) == NULL))
+		return 0; /* create flag not set; so exit quietly */
+
+	return fdt_setprop(fdt, nodeoff, prop, val, len);
+}
+
+#ifdef CONFIG_OF_STDOUT_VIA_ALIAS
+
+#ifdef CONFIG_SERIAL_MULTI
+static void fdt_fill_multisername(char *sername, size_t maxlen)
+{
+	const char *outname = stdio_devices[stdout]->name;
+
+	if (strcmp(outname, "serial") > 0)
+		strncpy(sername, outname, maxlen);
+
+	/* eserial? */
+	if (strcmp(outname + 1, "serial") > 0)
+		strncpy(sername, outname + 1, maxlen);
+}
+#else
+static inline void fdt_fill_multisername(char *sername, size_t maxlen) {}
+#endif /* CONFIG_SERIAL_MULTI */
+
+static int fdt_fixup_stdout(void *fdt, int chosenoff)
+{
+	int err = 0;
+#ifdef CONFIG_CONS_INDEX
+	int node;
+	char sername[9] = { 0 };
+	const char *path;
+
+	fdt_fill_multisername(sername, sizeof(sername) - 1);
+	if (!sername[0])
+		sprintf(sername, "serial%d", CONFIG_CONS_INDEX - 1);
+
+	err = node = fdt_path_offset(fdt, "/aliases");
+	if (node >= 0) {
+		int len;
+		path = fdt_getprop(fdt, node, sername, &len);
+		if (path) {
+			char *p = malloc(len);
+			err = -FDT_ERR_NOSPACE;
+			if (p) {
+				memcpy(p, path, len);
+				err = fdt_setprop(fdt, chosenoff,
+					"linux,stdout-path", p, len);
+				free(p);
+			}
+		} else {
+			err = len;
+		}
+	}
+#endif
+	if (err < 0)
+		printf("WARNING: could not set linux,stdout-path %s.\n",
+				fdt_strerror(err));
+
+	return err;
+}
+#endif
+
+int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end, int force)
+{
+	int   nodeoffset;
+	int   err, j, total;
+	u32   tmp;
+	const char *path;
+	uint64_t addr, size;
+
+	/* Find the "chosen" node.  */
+	nodeoffset = fdt_path_offset (fdt, "/chosen");
+
+	/* If there is no "chosen" node in the blob return */
+	if (nodeoffset < 0) {
+		printf("fdt_initrd: %s\n", fdt_strerror(nodeoffset));
+		return nodeoffset;
+	}
+
+	/* just return if initrd_start/end aren't valid */
+	if ((initrd_start == 0) || (initrd_end == 0))
+		return 0;
+
+	total = fdt_num_mem_rsv(fdt);
+
+	/*
+	 * Look for an existing entry and update it.  If we don't find
+	 * the entry, we will j be the next available slot.
+	 */
+	for (j = 0; j < total; j++) {
+		err = fdt_get_mem_rsv(fdt, j, &addr, &size);
+		if (addr == initrd_start) {
+			fdt_del_mem_rsv(fdt, j);
+			break;
+		}
+	}
+
+	err = fdt_add_mem_rsv(fdt, initrd_start, initrd_end - initrd_start + 1);
+	if (err < 0) {
+		printf("fdt_initrd: %s\n", fdt_strerror(err));
+		return err;
+	}
+
+	path = fdt_getprop(fdt, nodeoffset, "linux,initrd-start", NULL);
+	if ((path == NULL) || force) {
+		tmp = __cpu_to_be32(initrd_start);
+		err = fdt_setprop(fdt, nodeoffset,
+			"linux,initrd-start", &tmp, sizeof(tmp));
+		if (err < 0) {
+			printf("WARNING: "
+				"could not set linux,initrd-start %s.\n",
+				fdt_strerror(err));
+			return err;
+		}
+		tmp = __cpu_to_be32(initrd_end);
+		err = fdt_setprop(fdt, nodeoffset,
+			"linux,initrd-end", &tmp, sizeof(tmp));
+		if (err < 0) {
+			printf("WARNING: could not set linux,initrd-end %s.\n",
+				fdt_strerror(err));
+
+			return err;
+		}
+	}
+
+	return 0;
+}
+
+int fdt_chosen(void *fdt, int force)
+{
+	int   nodeoffset;
+	int   err;
+	char  *str;		/* used to set string properties */
+	const char *path;
+
+	err = fdt_check_header(fdt);
+	if (err < 0) {
+		printf("fdt_chosen: %s\n", fdt_strerror(err));
+		return err;
+	}
+
+	/*
+	 * Find the "chosen" node.
+	 */
+	nodeoffset = fdt_path_offset (fdt, "/chosen");
+
+	/*
+	 * If there is no "chosen" node in the blob, create it.
+	 */
+	if (nodeoffset < 0) {
+		/*
+		 * Create a new node "/chosen" (offset 0 is root level)
+		 */
+		nodeoffset = fdt_add_subnode(fdt, 0, "chosen");
+		if (nodeoffset < 0) {
+			printf("WARNING: could not create /chosen %s.\n",
+				fdt_strerror(nodeoffset));
+			return nodeoffset;
+		}
+	}
+
+	/*
+	 * Create /chosen properites that don't exist in the fdt.
+	 * If the property exists, update it only if the "force" parameter
+	 * is true.
+	 */
+	str = getenv("bootargs");
+	if (str != NULL) {
+		path = fdt_getprop(fdt, nodeoffset, "bootargs", NULL);
+		if ((path == NULL) || force) {
+			err = fdt_setprop(fdt, nodeoffset,
+				"bootargs", str, strlen(str)+1);
+			if (err < 0)
+				printf("WARNING: could not set bootargs %s.\n",
+					fdt_strerror(err));
+		}
+	}
+
+#ifdef CONFIG_OF_STDOUT_VIA_ALIAS
+	path = fdt_getprop(fdt, nodeoffset, "linux,stdout-path", NULL);
+	if ((path == NULL) || force)
+		err = fdt_fixup_stdout(fdt, nodeoffset);
+#endif
+
+#ifdef OF_STDOUT_PATH
+	path = fdt_getprop(fdt, nodeoffset, "linux,stdout-path", NULL);
+	if ((path == NULL) || force) {
+		err = fdt_setprop(fdt, nodeoffset,
+			"linux,stdout-path", OF_STDOUT_PATH, strlen(OF_STDOUT_PATH)+1);
+		if (err < 0)
+			printf("WARNING: could not set linux,stdout-path %s.\n",
+				fdt_strerror(err));
+	}
+#endif
+
+	return err;
+}
+
+void do_fixup_by_path(void *fdt, const char *path, const char *prop,
+		      const void *val, int len, int create)
+{
+#if defined(DEBUG)
+	int i;
+	debug("Updating property '%s/%s' = ", path, prop);
+	for (i = 0; i < len; i++)
+		debug(" %.2x", *(u8*)(val+i));
+	debug("\n");
+#endif
+	int rc = fdt_find_and_setprop(fdt, path, prop, val, len, create);
+	if (rc)
+		printf("Unable to update property %s:%s, err=%s\n",
+			path, prop, fdt_strerror(rc));
+}
+
+void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
+			  u32 val, int create)
+{
+	val = cpu_to_fdt32(val);
+	do_fixup_by_path(fdt, path, prop, &val, sizeof(val), create);
+}
+
+void do_fixup_by_prop(void *fdt,
+		      const char *pname, const void *pval, int plen,
+		      const char *prop, const void *val, int len,
+		      int create)
+{
+	int off;
+#if defined(DEBUG)
+	int i;
+	debug("Updating property '%s' = ", prop);
+	for (i = 0; i < len; i++)
+		debug(" %.2x", *(u8*)(val+i));
+	debug("\n");
+#endif
+	off = fdt_node_offset_by_prop_value(fdt, -1, pname, pval, plen);
+	while (off != -FDT_ERR_NOTFOUND) {
+		if (create || (fdt_get_property(fdt, off, prop, 0) != NULL))
+			fdt_setprop(fdt, off, prop, val, len);
+		off = fdt_node_offset_by_prop_value(fdt, off, pname, pval, plen);
+	}
+}
+
+void do_fixup_by_prop_u32(void *fdt,
+			  const char *pname, const void *pval, int plen,
+			  const char *prop, u32 val, int create)
+{
+	val = cpu_to_fdt32(val);
+	do_fixup_by_prop(fdt, pname, pval, plen, prop, &val, 4, create);
+}
+
+void do_fixup_by_compat(void *fdt, const char *compat,
+			const char *prop, const void *val, int len, int create)
+{
+	int off = -1;
+#if defined(DEBUG)
+	int i;
+	debug("Updating property '%s' = ", prop);
+	for (i = 0; i < len; i++)
+		debug(" %.2x", *(u8*)(val+i));
+	debug("\n");
+#endif
+	off = fdt_node_offset_by_compatible(fdt, -1, compat);
+	while (off != -FDT_ERR_NOTFOUND) {
+		if (create || (fdt_get_property(fdt, off, prop, 0) != NULL))
+			fdt_setprop(fdt, off, prop, val, len);
+		off = fdt_node_offset_by_compatible(fdt, off, compat);
+	}
+}
+
+void do_fixup_by_compat_u32(void *fdt, const char *compat,
+			    const char *prop, u32 val, int create)
+{
+	val = cpu_to_fdt32(val);
+	do_fixup_by_compat(fdt, compat, prop, &val, 4, create);
+}
+
+int fdt_fixup_memory(void *blob, u64 start, u64 size)
+{
+	int err, nodeoffset, len = 0;
+	u8 tmp[16];
+	const u32 *addrcell, *sizecell;
+
+	err = fdt_check_header(blob);
+	if (err < 0) {
+		printf("%s: %s\n", __FUNCTION__, fdt_strerror(err));
+		return err;
+	}
+
+	/* update, or add and update /memory node */
+	nodeoffset = fdt_path_offset(blob, "/memory");
+	if (nodeoffset < 0) {
+		nodeoffset = fdt_add_subnode(blob, 0, "memory");
+		if (nodeoffset < 0)
+			printf("WARNING: could not create /memory: %s.\n",
+					fdt_strerror(nodeoffset));
+		return nodeoffset;
+	}
+	err = fdt_setprop(blob, nodeoffset, "device_type", "memory",
+			sizeof("memory"));
+	if (err < 0) {
+		printf("WARNING: could not set %s %s.\n", "device_type",
+				fdt_strerror(err));
+		return err;
+	}
+
+	addrcell = fdt_getprop(blob, 0, "#address-cells", NULL);
+	/* use shifts and mask to ensure endianness */
+	if ((addrcell) && (*addrcell == 2)) {
+		tmp[0] = (start >> 56) & 0xff;
+		tmp[1] = (start >> 48) & 0xff;
+		tmp[2] = (start >> 40) & 0xff;
+		tmp[3] = (start >> 32) & 0xff;
+		tmp[4] = (start >> 24) & 0xff;
+		tmp[5] = (start >> 16) & 0xff;
+		tmp[6] = (start >>  8) & 0xff;
+		tmp[7] = (start      ) & 0xff;
+		len = 8;
+	} else {
+		tmp[0] = (start >> 24) & 0xff;
+		tmp[1] = (start >> 16) & 0xff;
+		tmp[2] = (start >>  8) & 0xff;
+		tmp[3] = (start      ) & 0xff;
+		len = 4;
+	}
+
+	sizecell = fdt_getprop(blob, 0, "#size-cells", NULL);
+	/* use shifts and mask to ensure endianness */
+	if ((sizecell) && (*sizecell == 2)) {
+		tmp[0+len] = (size >> 56) & 0xff;
+		tmp[1+len] = (size >> 48) & 0xff;
+		tmp[2+len] = (size >> 40) & 0xff;
+		tmp[3+len] = (size >> 32) & 0xff;
+		tmp[4+len] = (size >> 24) & 0xff;
+		tmp[5+len] = (size >> 16) & 0xff;
+		tmp[6+len] = (size >>  8) & 0xff;
+		tmp[7+len] = (size      ) & 0xff;
+		len += 8;
+	} else {
+		tmp[0+len] = (size >> 24) & 0xff;
+		tmp[1+len] = (size >> 16) & 0xff;
+		tmp[2+len] = (size >>  8) & 0xff;
+		tmp[3+len] = (size      ) & 0xff;
+		len += 4;
+	}
+
+	err = fdt_setprop(blob, nodeoffset, "reg", tmp, len);
+	if (err < 0) {
+		printf("WARNING: could not set %s %s.\n",
+				"reg", fdt_strerror(err));
+		return err;
+	}
+	return 0;
+}
+
+void fdt_fixup_ethernet(void *fdt)
+{
+	int node, i, j;
+	char enet[16], *tmp, *end;
+	char mac[16] = "ethaddr";
+	const char *path;
+	unsigned char mac_addr[6];
+
+	node = fdt_path_offset(fdt, "/aliases");
+	if (node < 0)
+		return;
+
+	i = 0;
+	while ((tmp = getenv(mac)) != NULL) {
+		sprintf(enet, "ethernet%d", i);
+		path = fdt_getprop(fdt, node, enet, NULL);
+		if (!path) {
+			debug("No alias for %s\n", enet);
+			sprintf(mac, "eth%daddr", ++i);
+			continue;
+		}
+
+		for (j = 0; j < 6; j++) {
+			mac_addr[j] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
+			if (tmp)
+				tmp = (*end) ? end+1 : end;
+		}
+
+		do_fixup_by_path(fdt, path, "mac-address", &mac_addr, 6, 0);
+		do_fixup_by_path(fdt, path, "local-mac-address",
+				&mac_addr, 6, 1);
+
+		sprintf(mac, "eth%daddr", ++i);
+	}
+}
+
+#ifdef CONFIG_HAS_FSL_DR_USB
+void fdt_fixup_dr_usb(void *blob, bd_t *bd)
+{
+	char *mode;
+	char *type;
+	const char *compat = "fsl-usb2-dr";
+	const char *prop_mode = "dr_mode";
+	const char *prop_type = "phy_type";
+	int node_offset;
+	int err;
+
+	mode = getenv("usb_dr_mode");
+	type = getenv("usb_phy_type");
+	if (!mode && !type)
+		return;
+
+	node_offset = fdt_node_offset_by_compatible(blob, 0, compat);
+	if (node_offset < 0) {
+		printf("WARNING: could not find compatible node %s: %s.\n",
+			compat, fdt_strerror(node_offset));
+		return;
+	}
+
+	if (mode) {
+		err = fdt_setprop(blob, node_offset, prop_mode, mode,
+				  strlen(mode) + 1);
+		if (err < 0)
+			printf("WARNING: could not set %s for %s: %s.\n",
+			       prop_mode, compat, fdt_strerror(err));
+	}
+
+	if (type) {
+		err = fdt_setprop(blob, node_offset, prop_type, type,
+				  strlen(type) + 1);
+		if (err < 0)
+			printf("WARNING: could not set %s for %s: %s.\n",
+			       prop_type, compat, fdt_strerror(err));
+	}
+}
+#endif /* CONFIG_HAS_FSL_DR_USB */
+
+#if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx)
+/*
+ * update crypto node properties to a specified revision of the SEC
+ * called with sec_rev == 0 if not on an mpc8xxxE processor
+ */
+void fdt_fixup_crypto_node(void *blob, int sec_rev)
+{
+	const struct sec_rev_prop {
+		u32 sec_rev;
+		u32 num_channels;
+		u32 channel_fifo_len;
+		u32 exec_units_mask;
+		u32 descriptor_types_mask;
+	} sec_rev_prop_list [] = {
+		{ 0x0200, 4, 24, 0x07e, 0x01010ebf }, /* SEC 2.0 */
+		{ 0x0201, 4, 24, 0x0fe, 0x012b0ebf }, /* SEC 2.1 */
+		{ 0x0202, 1, 24, 0x04c, 0x0122003f }, /* SEC 2.2 */
+		{ 0x0204, 4, 24, 0x07e, 0x012b0ebf }, /* SEC 2.4 */
+		{ 0x0300, 4, 24, 0x9fe, 0x03ab0ebf }, /* SEC 3.0 */
+		{ 0x0301, 4, 24, 0xbfe, 0x03ab0ebf }, /* SEC 3.1 */
+		{ 0x0303, 4, 24, 0x97c, 0x03a30abf }, /* SEC 3.3 */
+	};
+	char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) *
+			    sizeof("fsl,secX.Y")];
+	int crypto_node, sec_idx, err;
+	char *p;
+	u32 val;
+
+	/* locate crypto node based on lowest common compatible */
+	crypto_node = fdt_node_offset_by_compatible(blob, -1, "fsl,sec2.0");
+	if (crypto_node == -FDT_ERR_NOTFOUND)
+		return;
+
+	/* delete it if not on an E-processor */
+	if (crypto_node > 0 && !sec_rev) {
+		fdt_del_node(blob, crypto_node);
+		return;
+	}
+
+	/* else we got called for possible uprev */
+	for (sec_idx = 0; sec_idx < ARRAY_SIZE(sec_rev_prop_list); sec_idx++)
+		if (sec_rev_prop_list[sec_idx].sec_rev == sec_rev)
+			break;
+
+	if (sec_idx == ARRAY_SIZE(sec_rev_prop_list)) {
+		puts("warning: unknown SEC revision number\n");
+		return;
+	}
+
+	val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].num_channels);
+	err = fdt_setprop(blob, crypto_node, "fsl,num-channels", &val, 4);
+	if (err < 0)
+		printf("WARNING: could not set crypto property: %s\n",
+		       fdt_strerror(err));
+
+	val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].descriptor_types_mask);
+	err = fdt_setprop(blob, crypto_node, "fsl,descriptor-types-mask", &val, 4);
+	if (err < 0)
+		printf("WARNING: could not set crypto property: %s\n",
+		       fdt_strerror(err));
+
+	val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].exec_units_mask);
+	err = fdt_setprop(blob, crypto_node, "fsl,exec-units-mask", &val, 4);
+	if (err < 0)
+		printf("WARNING: could not set crypto property: %s\n",
+		       fdt_strerror(err));
+
+	val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].channel_fifo_len);
+	err = fdt_setprop(blob, crypto_node, "fsl,channel-fifo-len", &val, 4);
+	if (err < 0)
+		printf("WARNING: could not set crypto property: %s\n",
+		       fdt_strerror(err));
+
+	val = 0;
+	while (sec_idx >= 0) {
+		p = compat_strlist + val;
+		val += sprintf(p, "fsl,sec%d.%d",
+			(sec_rev_prop_list[sec_idx].sec_rev & 0xff00) >> 8,
+			sec_rev_prop_list[sec_idx].sec_rev & 0x00ff) + 1;
+		sec_idx--;
+	}
+	err = fdt_setprop(blob, crypto_node, "compatible", &compat_strlist, val);
+	if (err < 0)
+		printf("WARNING: could not set crypto property: %s\n",
+		       fdt_strerror(err));
+}
+#endif /* defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) */
+
+/* Resize the fdt to its actual size + a bit of padding */
+int fdt_resize(void *blob)
+{
+	int i;
+	uint64_t addr, size;
+	int total, ret;
+	uint actualsize;
+
+	if (!blob)
+		return 0;
+
+	total = fdt_num_mem_rsv(blob);
+	for (i = 0; i < total; i++) {
+		fdt_get_mem_rsv(blob, i, &addr, &size);
+		if (addr == (uint64_t)(u32)blob) {
+			fdt_del_mem_rsv(blob, i);
+			break;
+		}
+	}
+
+	/*
+	 * Calculate the actual size of the fdt
+	 * plus the size needed for two fdt_add_mem_rsv, one
+	 * for the fdt itself and one for a possible initrd
+	 */
+	actualsize = fdt_off_dt_strings(blob) +
+		fdt_size_dt_strings(blob) + 2*sizeof(struct fdt_reserve_entry);
+
+	/* Make it so the fdt ends on a page boundary */
+	actualsize = ALIGN(actualsize + ((uint)blob & 0xfff), 0x1000);
+	actualsize = actualsize - ((uint)blob & 0xfff);
+
+	/* Change the fdt header to reflect the correct size */
+	fdt_set_totalsize(blob, actualsize);
+
+	/* Add the new reservation */
+	ret = fdt_add_mem_rsv(blob, (uint)blob, actualsize);
+	if (ret < 0)
+		return ret;
+
+	return actualsize;
+}
+
+#ifdef CONFIG_PCI
+#define CONFIG_SYS_PCI_NR_INBOUND_WIN 4
+
+#define FDT_PCI_PREFETCH	(0x40000000)
+#define FDT_PCI_MEM32		(0x02000000)
+#define FDT_PCI_IO		(0x01000000)
+#define FDT_PCI_MEM64		(0x03000000)
+
+int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose) {
+
+	int addrcell, sizecell, len, r;
+	u32 *dma_range;
+	/* sized based on pci addr cells, size-cells, & address-cells */
+	u32 dma_ranges[(3 + 2 + 2) * CONFIG_SYS_PCI_NR_INBOUND_WIN];
+
+	addrcell = fdt_getprop_u32_default(blob, "/", "#address-cells", 1);
+	sizecell = fdt_getprop_u32_default(blob, "/", "#size-cells", 1);
+
+	dma_range = &dma_ranges[0];
+	for (r = 0; r < hose->region_count; r++) {
+		u64 bus_start, phys_start, size;
+
+		/* skip if !PCI_REGION_SYS_MEMORY */
+		if (!(hose->regions[r].flags & PCI_REGION_SYS_MEMORY))
+			continue;
+
+		bus_start = (u64)hose->regions[r].bus_start;
+		phys_start = (u64)hose->regions[r].phys_start;
+		size = (u64)hose->regions[r].size;
+
+		dma_range[0] = 0;
+		if (size >= 0x100000000ull)
+			dma_range[0] |= FDT_PCI_MEM64;
+		else
+			dma_range[0] |= FDT_PCI_MEM32;
+		if (hose->regions[r].flags & PCI_REGION_PREFETCH)
+			dma_range[0] |= FDT_PCI_PREFETCH;
+#ifdef CONFIG_SYS_PCI_64BIT
+		dma_range[1] = bus_start >> 32;
+#else
+		dma_range[1] = 0;
+#endif
+		dma_range[2] = bus_start & 0xffffffff;
+
+		if (addrcell == 2) {
+			dma_range[3] = phys_start >> 32;
+			dma_range[4] = phys_start & 0xffffffff;
+		} else {
+			dma_range[3] = phys_start & 0xffffffff;
+		}
+
+		if (sizecell == 2) {
+			dma_range[3 + addrcell + 0] = size >> 32;
+			dma_range[3 + addrcell + 1] = size & 0xffffffff;
+		} else {
+			dma_range[3 + addrcell + 0] = size & 0xffffffff;
+		}
+
+		dma_range += (3 + addrcell + sizecell);
+	}
+
+	len = dma_range - &dma_ranges[0];
+	if (len)
+		fdt_setprop(blob, phb_off, "dma-ranges", &dma_ranges[0], len*4);
+
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
+/*
+ * This function can be used to update the size in the "reg" property
+ * of the NOR FLASH device nodes. This is necessary for boards with
+ * non-fixed NOR FLASH sizes.
+ */
+int fdt_fixup_nor_flash_size(void *blob, int cs, u32 size)
+{
+	char compat[][16] = { "cfi-flash", "jedec-flash" };
+	int off;
+	int len;
+	struct fdt_property *prop;
+	u32 *reg;
+	int i;
+
+	for (i = 0; i < 2; i++) {
+		off = fdt_node_offset_by_compatible(blob, -1, compat[i]);
+		while (off != -FDT_ERR_NOTFOUND) {
+			/*
+			 * Found one compatible node, now check if this one
+			 * has the correct CS
+			 */
+			prop = fdt_get_property_w(blob, off, "reg", &len);
+			if (prop) {
+				reg = (u32 *)&prop->data[0];
+				if (reg[0] == cs) {
+					reg[2] = size;
+					fdt_setprop(blob, off, "reg", reg,
+						    3 * sizeof(u32));
+
+					return 0;
+				}
+			}
+
+			/* Move to next compatible node */
+			off = fdt_node_offset_by_compatible(blob, off,
+							    compat[i]);
+		}
+	}
+
+	return -1;
+}
+#endif
+
+#ifdef CONFIG_FDT_FIXUP_PARTITIONS
+#include <jffs2/load_kernel.h>
+#include <mtd_node.h>
+
+struct reg_cell {
+	unsigned int r0;
+	unsigned int r1;
+};
+
+int fdt_del_subnodes(const void *blob, int parent_offset)
+{
+	int off, ndepth;
+	int ret;
+
+	for (ndepth = 0, off = fdt_next_node(blob, parent_offset, &ndepth);
+	     (off >= 0) && (ndepth > 0);
+	     off = fdt_next_node(blob, off, &ndepth)) {
+		if (ndepth == 1) {
+			debug("delete %s: offset: %x\n",
+				fdt_get_name(blob, off, 0), off);
+			ret = fdt_del_node((void *)blob, off);
+			if (ret < 0) {
+				printf("Can't delete node: %s\n",
+					fdt_strerror(ret));
+				return ret;
+			} else {
+				ndepth = 0;
+				off = parent_offset;
+			}
+		}
+	}
+	return 0;
+}
+
+int fdt_increase_size(void *fdt, int add_len)
+{
+	int newlen;
+
+	newlen = fdt_totalsize(fdt) + add_len;
+
+	/* Open in place with a new len */
+	return fdt_open_into(fdt, fdt, newlen);
+}
+
+int fdt_del_partitions(void *blob, int parent_offset)
+{
+	const void *prop;
+	int ndepth = 0;
+	int off;
+	int ret;
+
+	off = fdt_next_node(blob, parent_offset, &ndepth);
+	if (off > 0 && ndepth == 1) {
+		prop = fdt_getprop(blob, off, "label", NULL);
+		if (prop == NULL) {
+			/*
+			 * Could not find label property, nand {}; node?
+			 * Check subnode, delete partitions there if any.
+			 */
+			return fdt_del_partitions(blob, off);
+		} else {
+			ret = fdt_del_subnodes(blob, parent_offset);
+			if (ret < 0) {
+				printf("Can't remove subnodes: %s\n",
+					fdt_strerror(ret));
+				return ret;
+			}
+		}
+	}
+	return 0;
+}
+
+int fdt_node_set_part_info(void *blob, int parent_offset,
+			   struct mtd_device *dev)
+{
+	struct list_head *pentry;
+	struct part_info *part;
+	struct reg_cell cell;
+	int off, ndepth = 0;
+	int part_num, ret;
+	char buf[64];
+
+	ret = fdt_del_partitions(blob, parent_offset);
+	if (ret < 0)
+		return ret;
+
+	/*
+	 * Check if it is nand {}; subnode, adjust
+	 * the offset in this case
+	 */
+	off = fdt_next_node(blob, parent_offset, &ndepth);
+	if (off > 0 && ndepth == 1)
+		parent_offset = off;
+
+	part_num = 0;
+	list_for_each_prev(pentry, &dev->parts) {
+		int newoff;
+
+		part = list_entry(pentry, struct part_info, link);
+
+		debug("%2d: %-20s0x%08x\t0x%08x\t%d\n",
+			part_num, part->name, part->size,
+			part->offset, part->mask_flags);
+
+		sprintf(buf, "partition@%x", part->offset);
+add_sub:
+		ret = fdt_add_subnode(blob, parent_offset, buf);
+		if (ret == -FDT_ERR_NOSPACE) {
+			ret = fdt_increase_size(blob, 512);
+			if (!ret)
+				goto add_sub;
+			else
+				goto err_size;
+		} else if (ret < 0) {
+			printf("Can't add partition node: %s\n",
+				fdt_strerror(ret));
+			return ret;
+		}
+		newoff = ret;
+
+		/* Check MTD_WRITEABLE_CMD flag */
+		if (part->mask_flags & 1) {
+add_ro:
+			ret = fdt_setprop(blob, newoff, "read_only", NULL, 0);
+			if (ret == -FDT_ERR_NOSPACE) {
+				ret = fdt_increase_size(blob, 512);
+				if (!ret)
+					goto add_ro;
+				else
+					goto err_size;
+			} else if (ret < 0)
+				goto err_prop;
+		}
+
+		cell.r0 = cpu_to_fdt32(part->offset);
+		cell.r1 = cpu_to_fdt32(part->size);
+add_reg:
+		ret = fdt_setprop(blob, newoff, "reg", &cell, sizeof(cell));
+		if (ret == -FDT_ERR_NOSPACE) {
+			ret = fdt_increase_size(blob, 512);
+			if (!ret)
+				goto add_reg;
+			else
+				goto err_size;
+		} else if (ret < 0)
+			goto err_prop;
+
+add_label:
+		ret = fdt_setprop_string(blob, newoff, "label", part->name);
+		if (ret == -FDT_ERR_NOSPACE) {
+			ret = fdt_increase_size(blob, 512);
+			if (!ret)
+				goto add_label;
+			else
+				goto err_size;
+		} else if (ret < 0)
+			goto err_prop;
+
+		part_num++;
+	}
+	return 0;
+err_size:
+	printf("Can't increase blob size: %s\n", fdt_strerror(ret));
+	return ret;
+err_prop:
+	printf("Can't add property: %s\n", fdt_strerror(ret));
+	return ret;
+}
+
+/*
+ * Update partitions in nor/nand nodes using info from
+ * mtdparts environment variable. The nodes to update are
+ * specified by node_info structure which contains mtd device
+ * type and compatible string: E. g. the board code in
+ * ft_board_setup() could use:
+ *
+ *	struct node_info nodes[] = {
+ *		{ "fsl,mpc5121-nfc",    MTD_DEV_TYPE_NAND, },
+ *		{ "cfi-flash",          MTD_DEV_TYPE_NOR,  },
+ *	};
+ *
+ *	fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
+ */
+void fdt_fixup_mtdparts(void *blob, void *node_info, int node_info_size)
+{
+	struct node_info *ni = node_info;
+	struct mtd_device *dev;
+	char *parts;
+	int i, idx;
+	int noff;
+
+	parts = getenv("mtdparts");
+	if (!parts)
+		return;
+
+	if (mtdparts_init() != 0)
+		return;
+
+	for (i = 0; i < node_info_size; i++) {
+		idx = 0;
+		noff = fdt_node_offset_by_compatible(blob, -1, ni[i].compat);
+		while (noff != -FDT_ERR_NOTFOUND) {
+			debug("%s: %s, mtd dev type %d\n",
+				fdt_get_name(blob, noff, 0),
+				ni[i].compat, ni[i].type);
+			dev = device_find(ni[i].type, idx++);
+			if (dev) {
+				if (fdt_node_set_part_info(blob, noff, dev))
+					return; /* return on error */
+			}
+
+			/* Jump to next flash node */
+			noff = fdt_node_offset_by_compatible(blob, noff,
+							     ni[i].compat);
+		}
+	}
+}
+#endif
+
+void fdt_del_node_and_alias(void *blob, const char *alias)
+{
+	int off = fdt_path_offset(blob, alias);
+
+	if (off < 0)
+		return;
+
+	fdt_del_node(blob, off);
+
+	off = fdt_path_offset(blob, "/aliases");
+	fdt_delprop(blob, off, alias);
+}