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-rw-r--r--common/fdt_support.c101
1 files changed, 53 insertions, 48 deletions
diff --git a/common/fdt_support.c b/common/fdt_support.c
index 69099c427..caaa682a4 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -37,6 +37,10 @@
*/
DECLARE_GLOBAL_DATA_PTR;
+/*
+ * fdt points to our working device tree.
+ */
+struct fdt_header *fdt;
/********************************************************************/
@@ -45,13 +49,12 @@ int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force)
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;
+ u32 tmp; /* used to set 32 bit integer properties */
+ char *str; /* used to set string properties */
err = fdt_check_header(fdt);
if (err < 0) {
- printf("libfdt: %s\n", fdt_strerror(err));
+ printf("fdt_chosen: %s\n", fdt_strerror(err));
return err;
}
@@ -63,11 +66,12 @@ int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force)
err = fdt_num_reservemap(fdt, &used, &total);
if (err < 0) {
- printf("libfdt: %s\n", fdt_strerror(err));
+ printf("fdt_chosen: %s\n", fdt_strerror(err));
return err;
}
if (used >= total) {
- printf("fdt_chosen: no room in the reserved map (%d of %d)\n",
+ printf("WARNING: "
+ "no room in the reserved map (%d of %d)\n",
used, total);
return -1;
}
@@ -84,7 +88,7 @@ int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force)
err = fdt_replace_reservemap_entry(fdt, j,
initrd_start, initrd_end - initrd_start + 1);
if (err < 0) {
- printf("libfdt: %s\n", fdt_strerror(err));
+ printf("fdt_chosen: %s\n", fdt_strerror(err));
return err;
}
}
@@ -92,7 +96,7 @@ int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force)
/*
* Find the "chosen" node.
*/
- nodeoffset = fdt_path_offset (fdt, "/chosen");
+ nodeoffset = fdt_find_node_by_path (fdt, "/chosen");
/*
* If we have a "chosen" node already the "force the writing"
@@ -110,7 +114,8 @@ int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force)
*/
nodeoffset = fdt_add_subnode(fdt, 0, "chosen");
if (nodeoffset < 0) {
- printf("libfdt: %s\n", fdt_strerror(nodeoffset));
+ printf("WARNING: could not create /chosen %s.\n",
+ fdt_strerror(nodeoffset));
return nodeoffset;
}
}
@@ -120,42 +125,35 @@ int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force)
*/
str = getenv("bootargs");
if (str != NULL) {
- err = fdt_setprop(fdt, nodeoffset, "bootargs", str, strlen(str)+1);
+ err = fdt_setprop(fdt, nodeoffset,
+ "bootargs", str, strlen(str)+1);
if (err < 0)
- printf("libfdt: %s\n", fdt_strerror(err));
+ printf("WARNING: could not set bootargs %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));
+ err = fdt_setprop(fdt, nodeoffset,
+ "linux,initrd-start", &tmp, sizeof(tmp));
if (err < 0)
- printf("libfdt: %s\n", fdt_strerror(err));
+ printf("WARNING: "
+ "could not set linux,initrd-start %s.\n",
+ fdt_strerror(err));
tmp = __cpu_to_be32(initrd_end);
- err = fdt_setprop(fdt, nodeoffset, "linux,initrd-end", &tmp, sizeof(tmp));
+ err = fdt_setprop(fdt, nodeoffset,
+ "linux,initrd-end", &tmp, sizeof(tmp));
if (err < 0)
- printf("libfdt: %s\n", fdt_strerror(err));
+ printf("WARNING: could not set linux,initrd-end %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);
+ 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));
+ printf("WARNING: could not set linux,stdout-path %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
return err;
}
@@ -177,7 +175,7 @@ int fdt_env(void *fdt)
err = fdt_check_header(fdt);
if (err < 0) {
- printf("libfdt: %s\n", fdt_strerror(err));
+ printf("fdt_env: %s\n", fdt_strerror(err));
return err;
}
@@ -185,11 +183,11 @@ int fdt_env(void *fdt)
* 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");
+ nodeoffset = fdt_find_node_by_path (fdt, "/u-boot-env");
if (nodeoffset >= 0) {
err = fdt_del_node(fdt, nodeoffset);
if (err < 0) {
- printf("libfdt: %s\n", fdt_strerror(err));
+ printf("fdt_env: %s\n", fdt_strerror(err));
return err;
}
}
@@ -198,7 +196,8 @@ int fdt_env(void *fdt)
*/
nodeoffset = fdt_add_subnode(fdt, 0, "u-boot-env");
if (nodeoffset < 0) {
- printf("libfdt: %s\n", fdt_strerror(nodeoffset));
+ printf("WARNING: could not create /u-boot-env %s.\n",
+ fdt_strerror(nodeoffset));
return nodeoffset;
}
@@ -226,7 +225,8 @@ int fdt_env(void *fdt)
continue;
err = fdt_setprop(fdt, nodeoffset, lval, rval, strlen(rval)+1);
if (err < 0) {
- printf("libfdt: %s\n", fdt_strerror(err));
+ printf("WARNING: could not set %s %s.\n",
+ lval, fdt_strerror(err));
return err;
}
}
@@ -292,12 +292,12 @@ int fdt_bd_t(void *fdt)
bd_t *bd = gd->bd;
int nodeoffset;
int err;
- u32 tmp; /* used to set 32 bit integer properties */
+ u32 tmp; /* used to set 32 bit integer properties */
int i;
err = fdt_check_header(fdt);
if (err < 0) {
- printf("libfdt: %s\n", fdt_strerror(err));
+ printf("fdt_bd_t: %s\n", fdt_strerror(err));
return err;
}
@@ -305,11 +305,11 @@ int fdt_bd_t(void *fdt)
* 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");
+ nodeoffset = fdt_find_node_by_path (fdt, "/bd_t");
if (nodeoffset >= 0) {
err = fdt_del_node(fdt, nodeoffset);
if (err < 0) {
- printf("libfdt: %s\n", fdt_strerror(err));
+ printf("fdt_bd_t: %s\n", fdt_strerror(err));
return err;
}
}
@@ -318,7 +318,9 @@ int fdt_bd_t(void *fdt)
*/
nodeoffset = fdt_add_subnode(fdt, 0, "bd_t");
if (nodeoffset < 0) {
- printf("libfdt: %s\n", fdt_strerror(nodeoffset));
+ printf("WARNING: could not create /bd_t %s.\n",
+ fdt_strerror(nodeoffset));
+ printf("fdt_bd_t: %s\n", fdt_strerror(nodeoffset));
return nodeoffset;
}
/*
@@ -326,20 +328,23 @@ int fdt_bd_t(void *fdt)
*/
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));
+ err = fdt_setprop(fdt, nodeoffset,
+ bd_map[i].name, &tmp, sizeof(tmp));
if (err < 0)
- printf("libfdt: %s\n", fdt_strerror(err));
+ printf("WARNING: could not set %s %s.\n",
+ bd_map[i].name, 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));
+ printf("WARNING: could not set enetaddr %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));
-
+ printf("WARNING: could not set ethspeed %s.\n",
+ fdt_strerror(err));
return 0;
}
#endif /* ifdef CONFIG_OF_HAS_BD_T */
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