X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fcore%2Ffdtaddr.c;h=dfcb868f6504709c9b2eb21c54fde59b44797c84;hb=378c7094afb0219ef11271e427f2e80753722ba8;hp=3847dd836e30540b8a03406f7c623fbbd1bc811b;hpb=a821c4af79e4f5ce9b629b20473863397bbe9b10;p=oweals%2Fu-boot.git

diff --git a/drivers/core/fdtaddr.c b/drivers/core/fdtaddr.c
index 3847dd836e..dfcb868f65 100644
--- a/drivers/core/fdtaddr.c
+++ b/drivers/core/fdtaddr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Device addresses
  *
@@ -5,19 +6,18 @@
  *
  * (C) Copyright 2012
  * Pavel Herrmann <morpheus.ibis@gmail.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
 #include <dm.h>
 #include <fdt_support.h>
+#include <log.h>
 #include <asm/io.h>
 #include <dm/device-internal.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-fdt_addr_t devfdt_get_addr_index(struct udevice *dev, int index)
+fdt_addr_t devfdt_get_addr_index(const struct udevice *dev, int index)
 {
 #if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
 	fdt_addr_t addr;
@@ -49,12 +49,17 @@ fdt_addr_t devfdt_get_addr_index(struct udevice *dev, int index)
 
 		reg += index * (na + ns);
 
-		/*
-		 * Use the full-fledged translate function for complex
-		 * bus setups.
-		 */
-		addr = fdt_translate_address((void *)gd->fdt_blob,
-					     dev_of_offset(dev), reg);
+		if (ns) {
+			/*
+			 * Use the full-fledged translate function for complex
+			 * bus setups.
+			 */
+			addr = fdt_translate_address((void *)gd->fdt_blob,
+						     dev_of_offset(dev), reg);
+		} else {
+			/* Non translatable if #size-cells == 0 */
+			addr = fdt_read_number(reg, na);
+		}
 	} else {
 		/*
 		 * Use the "simple" translate function for less complex
@@ -70,13 +75,16 @@ fdt_addr_t devfdt_get_addr_index(struct udevice *dev, int index)
 		}
 	}
 
+#if defined(CONFIG_TRANSLATION_OFFSET)
 	/*
 	 * Some platforms need a special address translation. Those
 	 * platforms (e.g. mvebu in SPL) can configure a translation
-	 * offset in the DM by calling dm_set_translation_offset() that
-	 * will get added to all addresses returned by devfdt_get_addr().
+	 * offset by setting this value in the GD and enaling this
+	 * feature via CONFIG_TRANSLATION_OFFSET. This value will
+	 * get added to all addresses returned by devfdt_get_addr().
 	 */
-	addr += dm_get_translation_offset();
+	addr += gd->translation_offset;
+#endif
 
 	return addr;
 #else
@@ -84,8 +92,8 @@ fdt_addr_t devfdt_get_addr_index(struct udevice *dev, int index)
 #endif
 }
 
-fdt_addr_t devfdt_get_addr_size_index(struct udevice *dev, int index,
-				   fdt_size_t *size)
+fdt_addr_t devfdt_get_addr_size_index(const struct udevice *dev, int index,
+				      fdt_size_t *size)
 {
 #if CONFIG_IS_ENABLED(OF_CONTROL)
 	/*
@@ -106,7 +114,7 @@ fdt_addr_t devfdt_get_addr_size_index(struct udevice *dev, int index,
 #endif
 }
 
-fdt_addr_t devfdt_get_addr_name(struct udevice *dev, const char *name)
+fdt_addr_t devfdt_get_addr_name(const struct udevice *dev, const char *name)
 {
 #if CONFIG_IS_ENABLED(OF_CONTROL)
 	int index;
@@ -122,17 +130,59 @@ fdt_addr_t devfdt_get_addr_name(struct udevice *dev, const char *name)
 #endif
 }
 
-fdt_addr_t devfdt_get_addr(struct udevice *dev)
+fdt_addr_t devfdt_get_addr_size_name(const struct udevice *dev,
+				     const char *name, fdt_size_t *size)
+{
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+	int index;
+
+	index = fdt_stringlist_search(gd->fdt_blob, dev_of_offset(dev),
+				      "reg-names", name);
+	if (index < 0)
+		return index;
+
+	return devfdt_get_addr_size_index(dev, index, size);
+#else
+	return FDT_ADDR_T_NONE;
+#endif
+}
+
+fdt_addr_t devfdt_get_addr(const struct udevice *dev)
 {
 	return devfdt_get_addr_index(dev, 0);
 }
 
-void *devfdt_get_addr_ptr(struct udevice *dev)
+void *devfdt_get_addr_ptr(const struct udevice *dev)
 {
 	return (void *)(uintptr_t)devfdt_get_addr_index(dev, 0);
 }
 
-void *devfdt_map_physmem(struct udevice *dev, unsigned long size)
+void *devfdt_remap_addr_index(const struct udevice *dev, int index)
+{
+	fdt_addr_t addr = devfdt_get_addr_index(dev, index);
+
+	if (addr == FDT_ADDR_T_NONE)
+		return NULL;
+
+	return map_physmem(addr, 0, MAP_NOCACHE);
+}
+
+void *devfdt_remap_addr_name(const struct udevice *dev, const char *name)
+{
+	fdt_addr_t addr = devfdt_get_addr_name(dev, name);
+
+	if (addr == FDT_ADDR_T_NONE)
+		return NULL;
+
+	return map_physmem(addr, 0, MAP_NOCACHE);
+}
+
+void *devfdt_remap_addr(const struct udevice *dev)
+{
+	return devfdt_remap_addr_index(dev, 0);
+}
+
+void *devfdt_map_physmem(const struct udevice *dev, unsigned long size)
 {
 	fdt_addr_t addr = devfdt_get_addr(dev);
 
@@ -141,3 +191,33 @@ void *devfdt_map_physmem(struct udevice *dev, unsigned long size)
 
 	return map_physmem(addr, size, MAP_NOCACHE);
 }
+
+fdt_addr_t devfdt_get_addr_pci(const struct udevice *dev)
+{
+	ulong addr;
+
+	addr = devfdt_get_addr(dev);
+	if (CONFIG_IS_ENABLED(PCI) && IS_ENABLED(CONFIG_DM_PCI) &&
+	    addr == FDT_ADDR_T_NONE) {
+		struct fdt_pci_addr pci_addr;
+		u32 bar;
+		int ret;
+
+		ret = ofnode_read_pci_addr(dev_ofnode(dev), FDT_PCI_SPACE_MEM32,
+					   "reg", &pci_addr);
+		if (ret) {
+			/* try if there is any i/o-mapped register */
+			ret = ofnode_read_pci_addr(dev_ofnode(dev),
+						   FDT_PCI_SPACE_IO, "reg",
+						   &pci_addr);
+			if (ret)
+				return FDT_ADDR_T_NONE;
+		}
+		ret = fdtdec_get_pci_bar32(dev, &pci_addr, &bar);
+		if (ret)
+			return FDT_ADDR_T_NONE;
+		addr = bar;
+	}
+
+	return addr;
+}