[U-Boot-Users] [FDT][UPDATE][PATCH] Convert boards that set memory node to use fdt_fixup_memory()

[Kumar Gala]

Signed-off-by: Kumar Gala <galak at kernel.crashing.org>
---

We needed a (u64) cast to make thing work properly.  Again updated my
libfdt_testing branch with this fix.

 board/cm5200/cm5200.c   |   15 ++-------------
 board/ids8247/ids8247.c |   17 +++--------------
 cpu/mpc83xx/cpu.c       |   18 ++----------------
 3 files changed, 7 insertions(+), 43 deletions(-)

diff --git a/board/cm5200/cm5200.c b/board/cm5200/cm5200.c
index 4a86d3c..79fb71d 100644
--- a/board/cm5200/cm5200.c
+++ b/board/cm5200/cm5200.c
@@ -263,7 +263,6 @@ static void ft_blob_update(void *blob, bd_t *bd)
 {
 	int len, ret, nodeoffset = 0;
 	char module_name[MODULE_NAME_MAXLEN] = {0};
-	ulong memory_data[2] = {0};

 	compose_module_name(hw_id, module_name);
 	len = strlen(module_name) + 1;
@@ -273,22 +272,12 @@ static void ft_blob_update(void *blob, bd_t *bd)
 	printf("ft_blob_update(): cannot set /model property err:%s\n",
 		fdt_strerror(ret));

-	memory_data[0] = cpu_to_be32(bd->bi_memstart);
-	memory_data[1] = cpu_to_be32(bd->bi_memsize);
+	ret = fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);

-	nodeoffset = fdt_path_offset (blob, "/memory");
-	if (nodeoffset >= 0) {
-		ret = fdt_setprop(blob, nodeoffset, "reg", memory_data,
-					sizeof(memory_data));
-	if (ret < 0)
+	if (ret < 0) {
 		printf("ft_blob_update): cannot set /memory/reg "
 			"property err:%s\n", fdt_strerror(ret));
 	}
-	else {
-		/* memory node is required in dts */
-		printf("ft_blob_update(): cannot find /memory node "
-		"err:%s\n", fdt_strerror(nodeoffset));
-	}
 }
 #endif /* defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) */

diff --git a/board/ids8247/ids8247.c b/board/ids8247/ids8247.c
index d1d8c56..7176770 100644
--- a/board/ids8247/ids8247.c
+++ b/board/ids8247/ids8247.c
@@ -329,25 +329,14 @@ nand_init (void)
  */
 void ft_blob_update(void *blob, bd_t *bd)
 {
-	int ret, nodeoffset = 0;
-	ulong memory_data[2] = {0};
+	int ret;

-	memory_data[0] = cpu_to_be32(bd->bi_memstart);
-	memory_data[1] = cpu_to_be32(bd->bi_memsize);
+	ret = fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);

-	nodeoffset = fdt_path_offset (blob, "/memory");
-	if (nodeoffset >= 0) {
-		ret = fdt_setprop(blob, nodeoffset, "reg", memory_data,
-					sizeof(memory_data));
-	if (ret < 0)
+	if (ret < 0) {
 		printf("ft_blob_update): cannot set /memory/reg "
 			"property err:%s\n", fdt_strerror(ret));
 	}
-	else {
-		/* memory node is required in dts */
-		printf("ft_blob_update(): cannot find /memory node "
-		"err:%s\n", fdt_strerror(nodeoffset));
-	}
 }

 void ft_board_setup(void *blob, bd_t *bd)
diff --git a/cpu/mpc83xx/cpu.c b/cpu/mpc83xx/cpu.c
index b2c35d3..f1ea17d 100644
--- a/cpu/mpc83xx/cpu.c
+++ b/cpu/mpc83xx/cpu.c
@@ -35,6 +35,7 @@
 #include <ft_build.h>
 #elif defined(CONFIG_OF_LIBFDT)
 #include <libfdt.h>
+#include <fdt_support.h>
 #endif

 DECLARE_GLOBAL_DATA_PTR;
@@ -526,7 +527,6 @@ ft_cpu_setup(void *blob, bd_t *bd)
 	int nodeoffset;
 	int err;
 	int j;
-	int tmp[2];

 	for (j = 0; j < (sizeof(fixup_props) / sizeof(fixup_props[0])); j++) {
 		nodeoffset = fdt_path_offset(blob, fixup_props[j].node);
@@ -543,21 +543,7 @@ ft_cpu_setup(void *blob, bd_t *bd)
 		}
 	}

-	/* update, or add and update /memory node */
-	nodeoffset = fdt_path_offset(blob, "/memory");
-	if (nodeoffset < 0) {
-		nodeoffset = fdt_add_subnode(blob, 0, "memory");
-		if (nodeoffset < 0)
-			debug("failed to add /memory node: %s\n",
-			      fdt_strerror(nodeoffset));
-	}
-	if (nodeoffset >= 0) {
-		fdt_setprop(blob, nodeoffset, "device_type",
-			    "memory", sizeof("memory"));
-		tmp[0] = cpu_to_be32(bd->bi_memstart);
-		tmp[1] = cpu_to_be32(bd->bi_memsize);
-		fdt_setprop(blob, nodeoffset, "reg", tmp, sizeof(tmp));
-	}
+	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
 }
 #elif defined(CONFIG_OF_FLAT_TREE)
 void
-- 
1.5.3.4