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-rw-r--r--common/fdt_support.c51
1 files changed, 13 insertions, 38 deletions
diff --git a/common/fdt_support.c b/common/fdt_support.c
index 2d3c387..ce32fe7 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -16,22 +16,6 @@
#include <fdt_support.h>
#include <exports.h>
-/*
- * Get cells len in bytes
- * if #NNNN-cells property is 2 then len is 8
- * otherwise len is 4
- */
-static int get_cells_len(const void *fdt, const char *nr_cells_name)
-{
- const fdt32_t *cell;
-
- cell = fdt_getprop(fdt, 0, nr_cells_name, NULL);
- if (cell && fdt32_to_cpu(*cell) == 2)
- return 8;
-
- return 4;
-}
-
/**
* fdt_getprop_u32_default_node - Return a node's property or a default
*
@@ -113,7 +97,8 @@ int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
}
/**
- * fdt_find_or_add_subnode - find or possibly add a subnode of a given node
+ * fdt_find_or_add_subnode() - find or possibly add a subnode of a given node
+ *
* @fdt: pointer to the device tree blob
* @parentoffset: structure block offset of a node
* @name: name of the subnode to locate
@@ -121,8 +106,7 @@ int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
* fdt_subnode_offset() finds a subnode of the node with a given name.
* If the subnode does not exist, it will be created.
*/
-static int fdt_find_or_add_subnode(void *fdt, int parentoffset,
- const char *name)
+int fdt_find_or_add_subnode(void *fdt, int parentoffset, const char *name)
{
int offset;
@@ -246,7 +230,7 @@ int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end)
return err;
}
- is_u64 = (get_cells_len(fdt, "#address-cells") == 8);
+ is_u64 = (fdt_address_cells(fdt, 0) == 2);
err = fdt_setprop_uxx(fdt, nodeoffset, "linux,initrd-start",
(uint64_t)initrd_start, is_u64);
@@ -382,22 +366,22 @@ void do_fixup_by_compat_u32(void *fdt, const char *compat,
/*
* fdt_pack_reg - pack address and size array into the "reg"-suitable stream
*/
-static int fdt_pack_reg(const void *fdt, void *buf, uint64_t *address,
- uint64_t *size, int n)
+static int fdt_pack_reg(const void *fdt, void *buf, u64 *address, u64 *size,
+ int n)
{
int i;
- int address_len = get_cells_len(fdt, "#address-cells");
- int size_len = get_cells_len(fdt, "#size-cells");
+ int address_len = fdt_address_cells(fdt, 0);
+ int size_len = fdt_size_cells(fdt, 0);
char *p = buf;
for (i = 0; i < n; i++) {
- if (address_len == 8)
+ if (address_len == 2)
*(fdt64_t *)p = cpu_to_fdt64(address[i]);
else
*(fdt32_t *)p = cpu_to_fdt32(address[i]);
p += address_len;
- if (size_len == 8)
+ if (size_len == 2)
*(fdt64_t *)p = cpu_to_fdt64(size[i]);
else
*(fdt32_t *)p = cpu_to_fdt32(size[i]);
@@ -968,13 +952,8 @@ void of_bus_default_count_cells(void *blob, int parentoffset,
{
const fdt32_t *prop;
- if (addrc) {
- prop = fdt_getprop(blob, parentoffset, "#address-cells", NULL);
- if (prop)
- *addrc = be32_to_cpup(prop);
- else
- *addrc = 2;
- }
+ if (addrc)
+ *addrc = fdt_address_cells(blob, parentoffset);
if (sizec) {
prop = fdt_getprop(blob, parentoffset, "#size-cells", NULL);
@@ -1420,11 +1399,7 @@ u64 fdt_get_base_address(void *fdt, int node)
u32 naddr;
const fdt32_t *prop;
- prop = fdt_getprop(fdt, node, "#address-cells", &size);
- if (prop && size == 4)
- naddr = be32_to_cpup(prop);
- else
- naddr = 2;
+ naddr = fdt_address_cells(fdt, node);
prop = fdt_getprop(fdt, node, "ranges", &size);