X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Ffdt_support.c;h=a7ff2dfb81f8ea3cbe54298d9fe758a246c31e55;hb=434afa809e91bbf67e003df8daf0e2f39c48ce59;hp=6254e342fd26aa3ad78f3d2160f37c6191ff4503;hpb=ffccb84c1a8e276fa7263ec4ca8186f06312305c;p=u-boot

diff --git a/common/fdt_support.c b/common/fdt_support.c
index 6254e342fd..a7ff2dfb81 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -8,6 +8,7 @@
  */
 
 #include <common.h>
+#include <inttypes.h>
 #include <stdio_dev.h>
 #include <linux/ctype.h>
 #include <linux/types.h>
@@ -157,25 +158,30 @@ static int fdt_fixup_stdout(void *fdt, int chosenoff)
 	aliasoff = fdt_path_offset(fdt, "/aliases");
 	if (aliasoff < 0) {
 		err = aliasoff;
-		goto error;
+		goto noalias;
 	}
 
 	path = fdt_getprop(fdt, aliasoff, sername, &len);
 	if (!path) {
 		err = len;
-		goto error;
+		goto noalias;
 	}
 
 	/* fdt_setprop may break "path" so we copy it to tmp buffer */
 	memcpy(tmp, path, len);
 
 	err = fdt_setprop(fdt, chosenoff, "linux,stdout-path", tmp, len);
-error:
 	if (err < 0)
 		printf("WARNING: could not set linux,stdout-path %s.\n",
 		       fdt_strerror(err));
 
 	return err;
+
+noalias:
+	printf("WARNING: %s: could not read %s alias: %s\n",
+	       __func__, sername, fdt_strerror(err));
+
+	return 0;
 }
 #else
 static int fdt_fixup_stdout(void *fdt, int chosenoff)
@@ -193,6 +199,31 @@ static inline int fdt_setprop_uxx(void *fdt, int nodeoffset, const char *name,
 		return fdt_setprop_u32(fdt, nodeoffset, name, (uint32_t)val);
 }
 
+int fdt_root(void *fdt)
+{
+	char *serial;
+	int err;
+
+	err = fdt_check_header(fdt);
+	if (err < 0) {
+		printf("fdt_root: %s\n", fdt_strerror(err));
+		return err;
+	}
+
+	serial = getenv("serial#");
+	if (serial) {
+		err = fdt_setprop(fdt, 0, "serial-number", serial,
+				  strlen(serial) + 1);
+
+		if (err < 0) {
+			printf("WARNING: could not set serial-number %s.\n",
+			       fdt_strerror(err));
+			return err;
+		}
+	}
+
+	return 0;
+}
 
 int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end)
 {
@@ -428,6 +459,9 @@ int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks)
 		return err;
 	}
 
+	if (!banks)
+		return 0;
+
 	len = fdt_pack_reg(blob, tmp, start, size, banks);
 
 	err = fdt_setprop(blob, nodeoffset, "reg", tmp, len);
@@ -914,8 +948,6 @@ void fdt_del_node_and_alias(void *blob, const char *alias)
 	fdt_delprop(blob, off, alias);
 }
 
-#define PRu64	"%llx"
-
 /* Max address size we deal with */
 #define OF_MAX_ADDR_CELLS	4
 #define OF_BAD_ADDR	((u64)-1)
@@ -973,8 +1005,8 @@ static u64 of_bus_default_map(fdt32_t *addr, const fdt32_t *range,
 	s  = of_read_number(range + na + pna, ns);
 	da = of_read_number(addr, na);
 
-	debug("OF: default map, cp="PRu64", s="PRu64", da="PRu64"\n",
-	    cp, s, da);
+	debug("OF: default map, cp=%" PRIu64 ", s=%" PRIu64
+	      ", da=%" PRIu64 "\n", cp, s, da);
 
 	if (da < cp || da >= (cp + s))
 		return OF_BAD_ADDR;
@@ -1052,7 +1084,7 @@ static int of_translate_one(void * blob, int parent, struct of_bus *bus,
 
  finish:
 	of_dump_addr("OF: parent translation for:", addr, pna);
-	debug("OF: with offset: "PRu64"\n", offset);
+	debug("OF: with offset: %" PRIu64 "\n", offset);
 
 	/* Translate it into parent bus space */
 	return pbus->translate(addr, offset, pna);
@@ -1381,9 +1413,9 @@ int fdt_verify_alias_address(void *fdt, int anode, const char *alias, u64 addr)
 
 	dt_addr = fdt_translate_address(fdt, node, reg);
 	if (addr != dt_addr) {
-		printf("Warning: U-Boot configured device %s at address %llx,\n"
-		       " but the device tree has it address %llx.\n",
-		       alias, addr, dt_addr);
+		printf("Warning: U-Boot configured device %s at address %"
+		       PRIx64 ",\n but the device tree has it address %"
+		       PRIx64 ".\n", alias, addr, dt_addr);
 		return 0;
 	}
 
@@ -1534,7 +1566,7 @@ int fdt_setup_simplefb_node(void *fdt, int node, u64 base_address, u32 width,
 	if (ret < 0)
 		return ret;
 
-	snprintf(name, sizeof(name), "framebuffer@%llx", base_address);
+	snprintf(name, sizeof(name), "framebuffer@%" PRIx64, base_address);
 	ret = fdt_set_name(fdt, node, name);
 	if (ret < 0)
 		return ret;
@@ -1561,3 +1593,32 @@ int fdt_setup_simplefb_node(void *fdt, int node, u64 base_address, u32 width,
 
 	return 0;
 }
+
+/*
+ * Update native-mode in display-timings from display environment variable.
+ * The node to update are specified by path.
+ */
+int fdt_fixup_display(void *blob, const char *path, const char *display)
+{
+	int off, toff;
+
+	if (!display || !path)
+		return -FDT_ERR_NOTFOUND;
+
+	toff = fdt_path_offset(blob, path);
+	if (toff >= 0)
+		toff = fdt_subnode_offset(blob, toff, "display-timings");
+	if (toff < 0)
+		return toff;
+
+	for (off = fdt_first_subnode(blob, toff);
+	     off >= 0;
+	     off = fdt_next_subnode(blob, off)) {
+		uint32_t h = fdt_get_phandle(blob, off);
+		debug("%s:0x%x\n", fdt_get_name(blob, off, NULL),
+		      fdt32_to_cpu(h));
+		if (strcasecmp(fdt_get_name(blob, off, NULL), display) == 0)
+			return fdt_setprop_u32(blob, toff, "native-mode", h);
+	}
+	return toff;
+}