dm: core: Move dev_get_addr() etc. into a separate file
Move this group of address-related functions into a new file. These use
the flat device tree. Future work will provide new versions of these which
can support the live tree.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/core/Makefile b/drivers/core/Makefile
index 07adb61..8261f14 100644
--- a/drivers/core/Makefile
+++ b/drivers/core/Makefile
@@ -4,7 +4,7 @@
# SPDX-License-Identifier: GPL-2.0+
#
-obj-y += device.o lists.o root.o uclass.o util.o
+obj-y += device.o fdtaddr.o lists.o root.o uclass.o util.o
obj-$(CONFIG_DEVRES) += devres.o
obj-$(CONFIG_$(SPL_)DM_DEVICE_REMOVE) += device-remove.o
obj-$(CONFIG_$(SPL_)SIMPLE_BUS) += simple-bus.o
diff --git a/drivers/core/device.c b/drivers/core/device.c
index 09a115f..483f836 100644
--- a/drivers/core/device.c
+++ b/drivers/core/device.c
@@ -655,131 +655,6 @@
return dev->uclass->uc_drv->name;
}
-fdt_addr_t dev_get_addr_index(struct udevice *dev, int index)
-{
-#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
- fdt_addr_t addr;
-
- if (CONFIG_IS_ENABLED(OF_TRANSLATE)) {
- const fdt32_t *reg;
- int len = 0;
- int na, ns;
-
- na = fdt_address_cells(gd->fdt_blob,
- dev_of_offset(dev->parent));
- if (na < 1) {
- debug("bad #address-cells\n");
- return FDT_ADDR_T_NONE;
- }
-
- ns = fdt_size_cells(gd->fdt_blob, dev_of_offset(dev->parent));
- if (ns < 0) {
- debug("bad #size-cells\n");
- return FDT_ADDR_T_NONE;
- }
-
- reg = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "reg",
- &len);
- if (!reg || (len <= (index * sizeof(fdt32_t) * (na + ns)))) {
- debug("Req index out of range\n");
- return FDT_ADDR_T_NONE;
- }
-
- 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);
- } else {
- /*
- * Use the "simple" translate function for less complex
- * bus setups.
- */
- addr = fdtdec_get_addr_size_auto_parent(gd->fdt_blob,
- dev_of_offset(dev->parent), dev_of_offset(dev),
- "reg", index, NULL, false);
- if (CONFIG_IS_ENABLED(SIMPLE_BUS) && addr != FDT_ADDR_T_NONE) {
- if (device_get_uclass_id(dev->parent) ==
- UCLASS_SIMPLE_BUS)
- addr = simple_bus_translate(dev->parent, addr);
- }
- }
-
- /*
- * 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().
- */
- addr += dm_get_translation_offset();
-
- return addr;
-#else
- return FDT_ADDR_T_NONE;
-#endif
-}
-
-fdt_addr_t dev_get_addr_size_index(struct udevice *dev, int index,
- fdt_size_t *size)
-{
-#if CONFIG_IS_ENABLED(OF_CONTROL)
- /*
- * Only get the size in this first call. We'll get the addr in the
- * next call to the exisiting dev_get_xxx function which handles
- * all config options.
- */
- fdtdec_get_addr_size_auto_noparent(gd->fdt_blob, dev_of_offset(dev),
- "reg", index, size, false);
-
- /*
- * Get the base address via the existing function which handles
- * all Kconfig cases
- */
- return dev_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)
-{
-#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 dev_get_addr_index(dev, index);
-#else
- return FDT_ADDR_T_NONE;
-#endif
-}
-
-fdt_addr_t dev_get_addr(struct udevice *dev)
-{
- return dev_get_addr_index(dev, 0);
-}
-
-void *dev_get_addr_ptr(struct udevice *dev)
-{
- return (void *)(uintptr_t)dev_get_addr_index(dev, 0);
-}
-
-void *dev_map_physmem(struct udevice *dev, unsigned long size)
-{
- fdt_addr_t addr = dev_get_addr(dev);
-
- if (addr == FDT_ADDR_T_NONE)
- return NULL;
-
- return map_physmem(addr, size, MAP_NOCACHE);
-}
-
bool device_has_children(struct udevice *dev)
{
return !list_empty(&dev->child_head);
diff --git a/drivers/core/fdtaddr.c b/drivers/core/fdtaddr.c
new file mode 100644
index 0000000..a0578fe
--- /dev/null
+++ b/drivers/core/fdtaddr.c
@@ -0,0 +1,143 @@
+/*
+ * Device addresses
+ *
+ * Copyright (c) 2017 Google, Inc
+ *
+ * (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 <asm/io.h>
+#include <dm/device-internal.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+fdt_addr_t dev_get_addr_index(struct udevice *dev, int index)
+{
+#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
+ fdt_addr_t addr;
+
+ if (CONFIG_IS_ENABLED(OF_TRANSLATE)) {
+ const fdt32_t *reg;
+ int len = 0;
+ int na, ns;
+
+ na = fdt_address_cells(gd->fdt_blob,
+ dev_of_offset(dev->parent));
+ if (na < 1) {
+ debug("bad #address-cells\n");
+ return FDT_ADDR_T_NONE;
+ }
+
+ ns = fdt_size_cells(gd->fdt_blob, dev_of_offset(dev->parent));
+ if (ns < 0) {
+ debug("bad #size-cells\n");
+ return FDT_ADDR_T_NONE;
+ }
+
+ reg = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "reg",
+ &len);
+ if (!reg || (len <= (index * sizeof(fdt32_t) * (na + ns)))) {
+ debug("Req index out of range\n");
+ return FDT_ADDR_T_NONE;
+ }
+
+ 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);
+ } else {
+ /*
+ * Use the "simple" translate function for less complex
+ * bus setups.
+ */
+ addr = fdtdec_get_addr_size_auto_parent(gd->fdt_blob,
+ dev_of_offset(dev->parent), dev_of_offset(dev),
+ "reg", index, NULL, false);
+ if (CONFIG_IS_ENABLED(SIMPLE_BUS) && addr != FDT_ADDR_T_NONE) {
+ if (device_get_uclass_id(dev->parent) ==
+ UCLASS_SIMPLE_BUS)
+ addr = simple_bus_translate(dev->parent, addr);
+ }
+ }
+
+ /*
+ * 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().
+ */
+ addr += dm_get_translation_offset();
+
+ return addr;
+#else
+ return FDT_ADDR_T_NONE;
+#endif
+}
+
+fdt_addr_t dev_get_addr_size_index(struct udevice *dev, int index,
+ fdt_size_t *size)
+{
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+ /*
+ * Only get the size in this first call. We'll get the addr in the
+ * next call to the exisiting dev_get_xxx function which handles
+ * all config options.
+ */
+ fdtdec_get_addr_size_auto_noparent(gd->fdt_blob, dev_of_offset(dev),
+ "reg", index, size, false);
+
+ /*
+ * Get the base address via the existing function which handles
+ * all Kconfig cases
+ */
+ return dev_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)
+{
+#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 dev_get_addr_index(dev, index);
+#else
+ return FDT_ADDR_T_NONE;
+#endif
+}
+
+fdt_addr_t dev_get_addr(struct udevice *dev)
+{
+ return dev_get_addr_index(dev, 0);
+}
+
+void *dev_get_addr_ptr(struct udevice *dev)
+{
+ return (void *)(uintptr_t)dev_get_addr_index(dev, 0);
+}
+
+void *dev_map_physmem(struct udevice *dev, unsigned long size)
+{
+ fdt_addr_t addr = dev_get_addr(dev);
+
+ if (addr == FDT_ADDR_T_NONE)
+ return NULL;
+
+ return map_physmem(addr, size, MAP_NOCACHE);
+}