#include <common.h>
#include <dm.h>
-#include <dm/root.h>
DECLARE_GLOBAL_DATA_PTR;
+struct simple_bus_plat {
+ u32 base;
+ u32 size;
+ u32 target;
+};
+
+fdt_addr_t simple_bus_translate(struct udevice *dev, fdt_addr_t addr)
+{
+ struct simple_bus_plat *plat = dev_get_uclass_platdata(dev);
+
+ if (addr >= plat->base && addr < plat->base + plat->size)
+ addr = (addr - plat->base) + plat->target;
+
+ return addr;
+}
+
static int simple_bus_post_bind(struct udevice *dev)
{
- return dm_scan_fdt_node(dev, gd->fdt_blob, dev->of_offset, false);
+ u32 cell[3];
+ int ret;
+
+ ret = fdtdec_get_int_array(gd->fdt_blob, dev_of_offset(dev), "ranges",
+ cell, ARRAY_SIZE(cell));
+ if (!ret) {
+ struct simple_bus_plat *plat = dev_get_uclass_platdata(dev);
+
+ plat->base = cell[0];
+ plat->target = cell[1];
+ plat->size = cell[2];
+ }
+
+ return dm_scan_fdt_dev(dev);
}
UCLASS_DRIVER(simple_bus) = {
.id = UCLASS_SIMPLE_BUS,
.name = "simple_bus",
.post_bind = simple_bus_post_bind,
+ .per_device_platdata_auto_alloc_size = sizeof(struct simple_bus_plat),
};
static const struct udevice_id generic_simple_bus_ids[] = {
{ .compatible = "simple-bus" },
+ { .compatible = "simple-mfd" },
{ }
};