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![Anton Vorontsov](/assets/img/avatar_default.png)
Currently fdt_fixup_stdout() is using hard-coded CONFIG_CONS_INDEX constant. With multi-serial support, the CONS_INDEX may no longer represent actual console, so we should try to extract port number from the current stdio device name instead of always hard-coding the constant value. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Acked-by: Gerald Van Baren <vanbaren@cideas.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
760 lines
19 KiB
C
760 lines
19 KiB
C
/*
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* (C) Copyright 2007
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* Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <stdio_dev.h>
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#include <linux/ctype.h>
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#include <linux/types.h>
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#include <asm/global_data.h>
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#include <fdt.h>
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#include <libfdt.h>
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#include <fdt_support.h>
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#include <exports.h>
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/*
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* Global data (for the gd->bd)
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*/
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DECLARE_GLOBAL_DATA_PTR;
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/**
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* fdt_getprop_u32_default - Find a node and return it's property or a default
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*
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* @fdt: ptr to device tree
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* @path: path of node
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* @prop: property name
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* @dflt: default value if the property isn't found
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*
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* Convenience function to find a node and return it's property or a
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* default value if it doesn't exist.
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*/
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u32 fdt_getprop_u32_default(void *fdt, const char *path, const char *prop,
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const u32 dflt)
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{
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const u32 *val;
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int off;
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off = fdt_path_offset(fdt, path);
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if (off < 0)
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return dflt;
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val = fdt_getprop(fdt, off, prop, NULL);
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if (val)
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return *val;
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else
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return dflt;
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}
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/**
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* fdt_find_and_setprop: Find a node and set it's property
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*
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* @fdt: ptr to device tree
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* @node: path of node
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* @prop: property name
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* @val: ptr to new value
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* @len: length of new property value
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* @create: flag to create the property if it doesn't exist
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*
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* Convenience function to directly set a property given the path to the node.
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*/
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int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
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const void *val, int len, int create)
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{
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int nodeoff = fdt_path_offset(fdt, node);
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if (nodeoff < 0)
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return nodeoff;
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if ((!create) && (fdt_get_property(fdt, nodeoff, prop, 0) == NULL))
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return 0; /* create flag not set; so exit quietly */
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return fdt_setprop(fdt, nodeoff, prop, val, len);
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}
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#ifdef CONFIG_OF_STDOUT_VIA_ALIAS
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#ifdef CONFIG_SERIAL_MULTI
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static void fdt_fill_multisername(char *sername, size_t maxlen)
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{
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const char *outname = stdio_devices[stdout]->name;
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if (strcmp(outname, "serial") > 0)
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strncpy(sername, outname, maxlen);
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/* eserial? */
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if (strcmp(outname + 1, "serial") > 0)
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strncpy(sername, outname + 1, maxlen);
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}
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#else
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static inline void fdt_fill_multisername(char *sername, size_t maxlen) {}
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#endif /* CONFIG_SERIAL_MULTI */
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static int fdt_fixup_stdout(void *fdt, int chosenoff)
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{
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int err = 0;
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#ifdef CONFIG_CONS_INDEX
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int node;
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char sername[9] = { 0 };
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const char *path;
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fdt_fill_multisername(sername, sizeof(sername) - 1);
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if (!sername[0])
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sprintf(sername, "serial%d", CONFIG_CONS_INDEX - 1);
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err = node = fdt_path_offset(fdt, "/aliases");
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if (node >= 0) {
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int len;
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path = fdt_getprop(fdt, node, sername, &len);
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if (path) {
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char *p = malloc(len);
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err = -FDT_ERR_NOSPACE;
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if (p) {
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memcpy(p, path, len);
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err = fdt_setprop(fdt, chosenoff,
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"linux,stdout-path", p, len);
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free(p);
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}
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} else {
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err = len;
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}
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}
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#endif
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if (err < 0)
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printf("WARNING: could not set linux,stdout-path %s.\n",
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fdt_strerror(err));
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return err;
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}
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#endif
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int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end, int force)
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{
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int nodeoffset;
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int err, j, total;
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u32 tmp;
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const char *path;
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uint64_t addr, size;
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/* Find the "chosen" node. */
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nodeoffset = fdt_path_offset (fdt, "/chosen");
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/* If there is no "chosen" node in the blob return */
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if (nodeoffset < 0) {
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printf("fdt_initrd: %s\n", fdt_strerror(nodeoffset));
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return nodeoffset;
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}
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/* just return if initrd_start/end aren't valid */
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if ((initrd_start == 0) || (initrd_end == 0))
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return 0;
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total = fdt_num_mem_rsv(fdt);
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/*
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* Look for an existing entry and update it. If we don't find
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* the entry, we will j be the next available slot.
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*/
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for (j = 0; j < total; j++) {
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err = fdt_get_mem_rsv(fdt, j, &addr, &size);
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if (addr == initrd_start) {
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fdt_del_mem_rsv(fdt, j);
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break;
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}
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}
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err = fdt_add_mem_rsv(fdt, initrd_start, initrd_end - initrd_start + 1);
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if (err < 0) {
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printf("fdt_initrd: %s\n", fdt_strerror(err));
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return err;
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}
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path = fdt_getprop(fdt, nodeoffset, "linux,initrd-start", NULL);
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if ((path == NULL) || force) {
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tmp = __cpu_to_be32(initrd_start);
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err = fdt_setprop(fdt, nodeoffset,
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"linux,initrd-start", &tmp, sizeof(tmp));
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if (err < 0) {
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printf("WARNING: "
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"could not set linux,initrd-start %s.\n",
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fdt_strerror(err));
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return err;
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}
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tmp = __cpu_to_be32(initrd_end);
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err = fdt_setprop(fdt, nodeoffset,
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"linux,initrd-end", &tmp, sizeof(tmp));
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if (err < 0) {
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printf("WARNING: could not set linux,initrd-end %s.\n",
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fdt_strerror(err));
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return err;
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}
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}
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return 0;
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}
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int fdt_chosen(void *fdt, int force)
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{
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int nodeoffset;
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int err;
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char *str; /* used to set string properties */
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const char *path;
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err = fdt_check_header(fdt);
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if (err < 0) {
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printf("fdt_chosen: %s\n", fdt_strerror(err));
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return err;
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}
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/*
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* Find the "chosen" node.
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*/
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nodeoffset = fdt_path_offset (fdt, "/chosen");
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/*
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* If there is no "chosen" node in the blob, create it.
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*/
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if (nodeoffset < 0) {
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/*
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* Create a new node "/chosen" (offset 0 is root level)
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*/
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nodeoffset = fdt_add_subnode(fdt, 0, "chosen");
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if (nodeoffset < 0) {
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printf("WARNING: could not create /chosen %s.\n",
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fdt_strerror(nodeoffset));
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return nodeoffset;
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}
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}
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/*
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* Create /chosen properites that don't exist in the fdt.
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* If the property exists, update it only if the "force" parameter
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* is true.
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*/
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str = getenv("bootargs");
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if (str != NULL) {
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path = fdt_getprop(fdt, nodeoffset, "bootargs", NULL);
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if ((path == NULL) || force) {
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err = fdt_setprop(fdt, nodeoffset,
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"bootargs", str, strlen(str)+1);
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if (err < 0)
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printf("WARNING: could not set bootargs %s.\n",
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fdt_strerror(err));
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}
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}
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#ifdef CONFIG_OF_STDOUT_VIA_ALIAS
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path = fdt_getprop(fdt, nodeoffset, "linux,stdout-path", NULL);
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if ((path == NULL) || force)
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err = fdt_fixup_stdout(fdt, nodeoffset);
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#endif
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#ifdef OF_STDOUT_PATH
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path = fdt_getprop(fdt, nodeoffset, "linux,stdout-path", NULL);
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if ((path == NULL) || force) {
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err = fdt_setprop(fdt, nodeoffset,
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"linux,stdout-path", OF_STDOUT_PATH, strlen(OF_STDOUT_PATH)+1);
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if (err < 0)
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printf("WARNING: could not set linux,stdout-path %s.\n",
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fdt_strerror(err));
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}
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#endif
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return err;
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}
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void do_fixup_by_path(void *fdt, const char *path, const char *prop,
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const void *val, int len, int create)
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{
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#if defined(DEBUG)
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int i;
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debug("Updating property '%s/%s' = ", path, prop);
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for (i = 0; i < len; i++)
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debug(" %.2x", *(u8*)(val+i));
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debug("\n");
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#endif
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int rc = fdt_find_and_setprop(fdt, path, prop, val, len, create);
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if (rc)
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printf("Unable to update property %s:%s, err=%s\n",
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path, prop, fdt_strerror(rc));
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}
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void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
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u32 val, int create)
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{
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val = cpu_to_fdt32(val);
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do_fixup_by_path(fdt, path, prop, &val, sizeof(val), create);
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}
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void do_fixup_by_prop(void *fdt,
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const char *pname, const void *pval, int plen,
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const char *prop, const void *val, int len,
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int create)
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{
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int off;
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#if defined(DEBUG)
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int i;
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debug("Updating property '%s' = ", prop);
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for (i = 0; i < len; i++)
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debug(" %.2x", *(u8*)(val+i));
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debug("\n");
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#endif
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off = fdt_node_offset_by_prop_value(fdt, -1, pname, pval, plen);
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while (off != -FDT_ERR_NOTFOUND) {
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if (create || (fdt_get_property(fdt, off, prop, 0) != NULL))
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fdt_setprop(fdt, off, prop, val, len);
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off = fdt_node_offset_by_prop_value(fdt, off, pname, pval, plen);
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}
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}
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void do_fixup_by_prop_u32(void *fdt,
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const char *pname, const void *pval, int plen,
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const char *prop, u32 val, int create)
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{
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val = cpu_to_fdt32(val);
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do_fixup_by_prop(fdt, pname, pval, plen, prop, &val, 4, create);
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}
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void do_fixup_by_compat(void *fdt, const char *compat,
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const char *prop, const void *val, int len, int create)
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{
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int off = -1;
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#if defined(DEBUG)
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int i;
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debug("Updating property '%s' = ", prop);
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for (i = 0; i < len; i++)
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debug(" %.2x", *(u8*)(val+i));
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debug("\n");
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#endif
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off = fdt_node_offset_by_compatible(fdt, -1, compat);
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while (off != -FDT_ERR_NOTFOUND) {
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if (create || (fdt_get_property(fdt, off, prop, 0) != NULL))
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fdt_setprop(fdt, off, prop, val, len);
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off = fdt_node_offset_by_compatible(fdt, off, compat);
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}
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}
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void do_fixup_by_compat_u32(void *fdt, const char *compat,
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const char *prop, u32 val, int create)
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{
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val = cpu_to_fdt32(val);
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do_fixup_by_compat(fdt, compat, prop, &val, 4, create);
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}
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int fdt_fixup_memory(void *blob, u64 start, u64 size)
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{
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int err, nodeoffset, len = 0;
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u8 tmp[16];
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const u32 *addrcell, *sizecell;
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err = fdt_check_header(blob);
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if (err < 0) {
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printf("%s: %s\n", __FUNCTION__, fdt_strerror(err));
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return err;
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}
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/* update, or add and update /memory node */
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nodeoffset = fdt_path_offset(blob, "/memory");
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if (nodeoffset < 0) {
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nodeoffset = fdt_add_subnode(blob, 0, "memory");
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if (nodeoffset < 0)
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printf("WARNING: could not create /memory: %s.\n",
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fdt_strerror(nodeoffset));
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return nodeoffset;
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}
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err = fdt_setprop(blob, nodeoffset, "device_type", "memory",
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sizeof("memory"));
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if (err < 0) {
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printf("WARNING: could not set %s %s.\n", "device_type",
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fdt_strerror(err));
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return err;
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}
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addrcell = fdt_getprop(blob, 0, "#address-cells", NULL);
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/* use shifts and mask to ensure endianness */
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if ((addrcell) && (*addrcell == 2)) {
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tmp[0] = (start >> 56) & 0xff;
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tmp[1] = (start >> 48) & 0xff;
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tmp[2] = (start >> 40) & 0xff;
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tmp[3] = (start >> 32) & 0xff;
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tmp[4] = (start >> 24) & 0xff;
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tmp[5] = (start >> 16) & 0xff;
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tmp[6] = (start >> 8) & 0xff;
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tmp[7] = (start ) & 0xff;
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len = 8;
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} else {
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tmp[0] = (start >> 24) & 0xff;
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tmp[1] = (start >> 16) & 0xff;
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tmp[2] = (start >> 8) & 0xff;
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tmp[3] = (start ) & 0xff;
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len = 4;
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}
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sizecell = fdt_getprop(blob, 0, "#size-cells", NULL);
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/* use shifts and mask to ensure endianness */
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if ((sizecell) && (*sizecell == 2)) {
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tmp[0+len] = (size >> 56) & 0xff;
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tmp[1+len] = (size >> 48) & 0xff;
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tmp[2+len] = (size >> 40) & 0xff;
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tmp[3+len] = (size >> 32) & 0xff;
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tmp[4+len] = (size >> 24) & 0xff;
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tmp[5+len] = (size >> 16) & 0xff;
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tmp[6+len] = (size >> 8) & 0xff;
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tmp[7+len] = (size ) & 0xff;
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len += 8;
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} else {
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tmp[0+len] = (size >> 24) & 0xff;
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tmp[1+len] = (size >> 16) & 0xff;
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tmp[2+len] = (size >> 8) & 0xff;
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tmp[3+len] = (size ) & 0xff;
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len += 4;
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}
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err = fdt_setprop(blob, nodeoffset, "reg", tmp, len);
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if (err < 0) {
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printf("WARNING: could not set %s %s.\n",
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"reg", fdt_strerror(err));
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return err;
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}
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return 0;
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}
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void fdt_fixup_ethernet(void *fdt)
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{
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int node, i, j;
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char enet[16], *tmp, *end;
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char mac[16] = "ethaddr";
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const char *path;
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unsigned char mac_addr[6];
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node = fdt_path_offset(fdt, "/aliases");
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if (node < 0)
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return;
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i = 0;
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while ((tmp = getenv(mac)) != NULL) {
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sprintf(enet, "ethernet%d", i);
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path = fdt_getprop(fdt, node, enet, NULL);
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if (!path) {
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debug("No alias for %s\n", enet);
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sprintf(mac, "eth%daddr", ++i);
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continue;
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}
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for (j = 0; j < 6; j++) {
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mac_addr[j] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
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if (tmp)
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tmp = (*end) ? end+1 : end;
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}
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do_fixup_by_path(fdt, path, "mac-address", &mac_addr, 6, 0);
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do_fixup_by_path(fdt, path, "local-mac-address",
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&mac_addr, 6, 1);
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sprintf(mac, "eth%daddr", ++i);
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}
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}
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#ifdef CONFIG_HAS_FSL_DR_USB
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void fdt_fixup_dr_usb(void *blob, bd_t *bd)
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{
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char *mode;
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char *type;
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const char *compat = "fsl-usb2-dr";
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const char *prop_mode = "dr_mode";
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const char *prop_type = "phy_type";
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int node_offset;
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int err;
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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 */
|
|
{ 0x0303, 4, 24, 0x97c, 0x03ab0abf }, /* 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
|