+// SPDX-License-Identifier: GPL-2.0+
/*
* Device addresses
*
*
* (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 dev_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;
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
}
}
+#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 dev_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
#endif
}
-fdt_addr_t dev_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)
/*
* Get the base address via the existing function which handles
* all Kconfig cases
*/
- return dev_get_addr_index(dev, index);
+ return devfdt_get_addr_index(dev, index);
#else
return FDT_ADDR_T_NONE;
#endif
}
-fdt_addr_t dev_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;
if (index < 0)
return index;
- return dev_get_addr_index(dev, index);
+ return devfdt_get_addr_index(dev, index);
#else
return FDT_ADDR_T_NONE;
#endif
}
-fdt_addr_t dev_get_addr(struct udevice *dev)
+fdt_addr_t devfdt_get_addr_size_name(const struct udevice *dev,
+ const char *name, fdt_size_t *size)
{
- return dev_get_addr_index(dev, 0);
+#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
}
-void *dev_get_addr_ptr(struct udevice *dev)
+fdt_addr_t devfdt_get_addr(const struct udevice *dev)
{
- return (void *)(uintptr_t)dev_get_addr_index(dev, 0);
+ return devfdt_get_addr_index(dev, 0);
}
-void *dev_map_physmem(struct udevice *dev, unsigned long size)
+void *devfdt_get_addr_ptr(const struct udevice *dev)
{
- fdt_addr_t addr = dev_get_addr(dev);
+ return (void *)(uintptr_t)devfdt_get_addr_index(dev, 0);
+}
+
+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);
if (addr == FDT_ADDR_T_NONE)
return NULL;
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;
+}