X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=common%2Ffdt_support.c;h=9e501484625d8583cd1d122e8e6c83f9c6948ac5;hb=04e3c4eb930a761b561cb87f964aa8a5d694c501;hp=127e17c114310fa0b5fbbd12a4968f510a3c1b9a;hpb=e48f3741c357246c78aa367bbd56fe2684f7bf8d;p=oweals%2Fu-boot.git

diff --git a/common/fdt_support.c b/common/fdt_support.c
index 127e17c114..9e50148462 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -371,22 +371,22 @@ static int fdt_pack_reg(const void *fdt, void *buf, u64 *address, u64 *size,
 			int n)
 {
 	int i;
-	int address_len = fdt_address_cells(fdt, 0);
-	int size_len = fdt_size_cells(fdt, 0);
+	int address_cells = fdt_address_cells(fdt, 0);
+	int size_cells = fdt_size_cells(fdt, 0);
 	char *p = buf;
 
 	for (i = 0; i < n; i++) {
-		if (address_len == 2)
+		if (address_cells == 2)
 			*(fdt64_t *)p = cpu_to_fdt64(address[i]);
 		else
 			*(fdt32_t *)p = cpu_to_fdt32(address[i]);
-		p += address_len;
+		p += 4 * address_cells;
 
-		if (size_len == 2)
+		if (size_cells == 2)
 			*(fdt64_t *)p = cpu_to_fdt64(size[i]);
 		else
 			*(fdt32_t *)p = cpu_to_fdt32(size[i]);
-		p += size_len;
+		p += 4 * size_cells;
 	}
 
 	return p - (char *)buf;
@@ -1533,7 +1533,7 @@ 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;
@@ -1560,3 +1560,32 @@ 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;
+}