diff options
Diffstat (limited to 'common/fdt_support.c')
| -rw-r--r-- | common/fdt_support.c | 75 |
1 files changed, 74 insertions, 1 deletions
diff --git a/common/fdt_support.c b/common/fdt_support.c index 2053fe3bad..5e49078f8c 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -13,6 +13,7 @@ #include <mapmem.h> #include <net.h> #include <stdio_dev.h> +#include <dm/ofnode.h> #include <linux/ctype.h> #include <linux/types.h> #include <asm/global_data.h> @@ -1050,6 +1051,79 @@ void fdt_fixup_mtdparts(void *blob, const struct node_info *node_info, } #endif +int fdt_copy_fixed_partitions(void *blob) +{ + ofnode node, subnode; + int off, suboff, res; + char path[256]; + int address_cells, size_cells; + u8 i, j, child_count; + + node = ofnode_by_compatible(ofnode_null(), "fixed-partitions"); + while (ofnode_valid(node)) { + /* copy the U-Boot fixed partition */ + address_cells = ofnode_read_simple_addr_cells(node); + size_cells = ofnode_read_simple_size_cells(node); + + res = ofnode_get_path(ofnode_get_parent(node), path, sizeof(path)); + if (res) + return res; + + off = fdt_path_offset(blob, path); + if (off < 0) + return -ENODEV; + + off = fdt_find_or_add_subnode(blob, off, "partitions"); + res = fdt_setprop_string(blob, off, "compatible", "fixed-partitions"); + if (res) + return res; + + res = fdt_setprop_u32(blob, off, "#address-cells", address_cells); + if (res) + return res; + + res = fdt_setprop_u32(blob, off, "#size-cells", size_cells); + if (res) + return res; + + /* + * parse partition in reverse order as fdt_find_or_add_subnode() only + * insert the new node after the parent's properties + */ + child_count = ofnode_get_child_count(node); + for (i = child_count; i > 0 ; i--) { + subnode = ofnode_first_subnode(node); + if (!ofnode_valid(subnode)) + break; + + for (j = 0; (j < i - 1); j++) + subnode = ofnode_next_subnode(subnode); + + if (!ofnode_valid(subnode)) + break; + + const u32 *reg; + int len; + + suboff = fdt_find_or_add_subnode(blob, off, ofnode_get_name(subnode)); + res = fdt_setprop_string(blob, suboff, "label", + ofnode_read_string(subnode, "label")); + if (res) + return res; + + reg = ofnode_get_property(subnode, "reg", &len); + res = fdt_setprop(blob, suboff, "reg", reg, len); + if (res) + return res; + } + + /* go to next fixed-partitions node */ + node = ofnode_by_compatible(node, "fixed-partitions"); + } + + return 0; +} + void fdt_del_node_and_alias(void *blob, const char *alias) { int off = fdt_path_offset(blob, alias); @@ -1065,7 +1139,6 @@ void fdt_del_node_and_alias(void *blob, const char *alias) /* Max address size we deal with */ #define OF_MAX_ADDR_CELLS 4 -#define OF_BAD_ADDR FDT_ADDR_T_NONE #define OF_CHECK_COUNTS(na, ns) ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \ (ns) > 0) |