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authorTom Rini <trini@konsulko.com>2019-04-13 08:27:35 -0400
committerTom Rini <trini@konsulko.com>2019-04-13 08:27:35 -0400
commitcf5eebeb18f7790d5030eb94f51fca0ebcd6e406 (patch)
treef4c9c40f9353fbe4104875779c7eedd3ed2342cc /scripts
parent0a5228be868622894a5f8f226203cd7bac562187 (diff)
parent73c02e5e4fc1ef53d06289232edd6cc52e3d73f6 (diff)
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Merge tag 'pull-12apr19' of git://git.denx.de/u-boot-dm
fdtdec tests and improvements for carve-outs pinctrl race-condition fix various other fixes in sandbox, sound, mkimage, etc.
Diffstat (limited to 'scripts')
-rw-r--r--scripts/Makefile.lib1
-rw-r--r--scripts/dtc/libfdt/fdt_ro.c31
-rw-r--r--scripts/dtc/libfdt/libfdt.h19
-rw-r--r--scripts/dtc/libfdt/libfdt_env.h1
4 files changed, 52 insertions, 0 deletions
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 70de9bb13a..de67677f61 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -525,4 +525,5 @@ quiet_cmd_fdtgrep = FDTGREP $@
cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \
-n /chosen -n /config -O dtb | \
$(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
+ -P u-boot,dm-pre-reloc -P u-boot,dm-spl -P u-boot,dm-tpl \
$(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))
diff --git a/scripts/dtc/libfdt/fdt_ro.c b/scripts/dtc/libfdt/fdt_ro.c
index dfb3236da3..dc499884e4 100644
--- a/scripts/dtc/libfdt/fdt_ro.c
+++ b/scripts/dtc/libfdt/fdt_ro.c
@@ -115,6 +115,37 @@ uint32_t fdt_get_max_phandle(const void *fdt)
return 0;
}
+int fdt_generate_phandle(const void *fdt, uint32_t *phandle)
+{
+ uint32_t max = 0;
+ int offset = -1;
+
+ while (true) {
+ uint32_t value;
+
+ offset = fdt_next_node(fdt, offset, NULL);
+ if (offset < 0) {
+ if (offset == -FDT_ERR_NOTFOUND)
+ break;
+
+ return offset;
+ }
+
+ value = fdt_get_phandle(fdt, offset);
+
+ if (value > max)
+ max = value;
+ }
+
+ if (max == FDT_MAX_PHANDLE)
+ return -FDT_ERR_NOPHANDLES;
+
+ if (phandle)
+ *phandle = max + 1;
+
+ return 0;
+}
+
int fdt_get_mem_rsv(const void *fdt, int n, uint64_t *address, uint64_t *size)
{
FDT_CHECK_HEADER(fdt);
diff --git a/scripts/dtc/libfdt/libfdt.h b/scripts/dtc/libfdt/libfdt.h
index fd73688f9e..cf86ddba88 100644
--- a/scripts/dtc/libfdt/libfdt.h
+++ b/scripts/dtc/libfdt/libfdt.h
@@ -139,6 +139,10 @@
#define FDT_ERR_MAX 17
+/* constants */
+#define FDT_MAX_PHANDLE 0xfffffffe
+ /* Valid values for phandles range from 1 to 2^32-2. */
+
/**********************************************************************/
/* Low-level functions (you probably don't need these) */
/**********************************************************************/
@@ -314,6 +318,21 @@ const char *fdt_string(const void *fdt, int stroffset);
uint32_t fdt_get_max_phandle(const void *fdt);
/**
+ * fdt_generate_phandle - return a new, unused phandle for a device tree blob
+ * @fdt: pointer to the device tree blob
+ * @phandle: return location for the new phandle
+ *
+ * Walks the device tree blob and looks for the highest phandle value. On
+ * success, the new, unused phandle value (one higher than the previously
+ * highest phandle value in the device tree blob) will be returned in the
+ * @phandle parameter.
+ *
+ * Returns:
+ * 0 on success or a negative error-code on failure
+ */
+int fdt_generate_phandle(const void *fdt, uint32_t *phandle);
+
+/**
* fdt_num_mem_rsv - retrieve the number of memory reserve map entries
* @fdt: pointer to the device tree blob
*
diff --git a/scripts/dtc/libfdt/libfdt_env.h b/scripts/dtc/libfdt/libfdt_env.h
index bd24746287..3ff9e28630 100644
--- a/scripts/dtc/libfdt/libfdt_env.h
+++ b/scripts/dtc/libfdt/libfdt_env.h
@@ -52,6 +52,7 @@
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>