void *data;
};
+#define FDT_MAX_PHANDLE_ARGS 16
+struct fdt_phandle_args {
+ int node_offset;
+ int args_count;
+ u32 args[FDT_MAX_PHANDLE_ARGS];
+};
+
struct platform_uart_data {
unsigned long addr;
unsigned long freq;
const struct fdt_match *match_table,
const struct fdt_match **out_match);
+int fdt_parse_phandle_with_args(void *fdt, int nodeoff,
+ const char *prop, const char *cells_prop,
+ int index, struct fdt_phandle_args *out_args);
+
int fdt_get_node_addr_size(void *fdt, int node, unsigned long *addr,
unsigned long *size);
return SBI_ENODEV;
}
+int fdt_parse_phandle_with_args(void *fdt, int nodeoff,
+ const char *prop, const char *cells_prop,
+ int index, struct fdt_phandle_args *out_args)
+{
+ u32 i, pcells;
+ int len, pnodeoff;
+ const fdt32_t *list, *list_end, *val;
+
+ if (!fdt || (nodeoff < 0) || !prop || !cells_prop || !out_args)
+ return SBI_EINVAL;
+
+ list = fdt_getprop(fdt, nodeoff, prop, &len);
+ if (!list)
+ return SBI_ENOENT;
+ list_end = list + (len / sizeof(*list));
+
+ while (list < list_end) {
+ pnodeoff = fdt_node_offset_by_phandle(fdt,
+ fdt32_to_cpu(*list));
+ if (pnodeoff < 0)
+ return pnodeoff;
+ list++;
+
+ val = fdt_getprop(fdt, pnodeoff, cells_prop, &len);
+ if (!val)
+ return SBI_ENOENT;
+ pcells = fdt32_to_cpu(*val);
+ if (FDT_MAX_PHANDLE_ARGS < pcells)
+ return SBI_EINVAL;
+ if (list + pcells > list_end)
+ return SBI_ENOENT;
+
+ if (index > 0) {
+ list += pcells;
+ index--;
+ } else {
+ out_args->node_offset = pnodeoff;
+ out_args->args_count = pcells;
+ for (i = 0; i < pcells; i++)
+ out_args->args[i] = fdt32_to_cpu(list[i]);
+ return 0;
+ }
+ }
+
+ return SBI_ENOENT;
+}
+
static int fdt_translate_address(void *fdt, uint64_t reg, int parent,
unsigned long *addr)
{