X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fcore%2Fsimple-bus.c;h=5c955da3346b2c1ff665060100b2f875a87cbe50;hb=2e3f1ff63f50f36e74d46f939823241856ebf1bd;hp=3ea4d8230bddeb4d01073538e8aea32618354327;hpb=1fba907f9a8d178eee960294ecffc8ee8bc6b00d;p=u-boot

diff --git a/drivers/core/simple-bus.c b/drivers/core/simple-bus.c
index 3ea4d8230b..5c955da334 100644
--- a/drivers/core/simple-bus.c
+++ b/drivers/core/simple-bus.c
@@ -6,23 +6,53 @@
 
 #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, "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" },
 	{ }
 };