Merge tag 'u-boot-imx-20200825' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx

[platform/kernel/u-boot.git] / include / fdtdec.h

diff --git a/include/fdtdec.h b/include/fdtdec.h
index 760b392..152eb07 100644 (file)
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -445,6 +445,19 @@ int fdtdec_get_pci_bar32(const struct udevice *dev, struct fdt_pci_addr *addr,
                         u32 *bar);
 
 /**
+ * Look at the bus range property of a device node and return the pci bus
+ * range for this node.
+ * The property must hold one fdt_pci_addr with a length.
+ * @param blob         FDT blob
+ * @param node         node to examine
+ * @param res          the resource structure to return the bus range
+ * @return 0 if ok, negative on error
+ */
+
+int fdtdec_get_pci_bus_range(const void *blob, int node,
+                            struct fdt_resource *res);
+
+/**
  * Look up a 32-bit integer property in a node and return it. The property
  * must have at least 4 bytes of data. The value of the first cell is
  * returned.
@@ -927,6 +940,23 @@ int fdtdec_decode_display_timing(const void *blob, int node, int index,
 int fdtdec_setup_mem_size_base(void);
 
 /**
+ * fdtdec_setup_mem_size_base_lowest() - decode and setup gd->ram_size and
+ * gd->ram_start by lowest available memory base
+ *
+ * Decode the /memory 'reg' property to determine the lowest start of the memory
+ * bank bank and populate the global data with it.
+ *
+ * This function should be called from a boards dram_init(). This helper
+ * function allows for boards to query the device tree for DRAM size and start
+ * address instead of hard coding the value in the case where the memory size
+ * and start address cannot be detected automatically.
+ *
+ * @return 0 if OK, -EINVAL if the /memory node or reg property is missing or
+ * invalid
+ */
+int fdtdec_setup_mem_size_base_lowest(void);
+
+/**
  * fdtdec_setup_memory_banksize() - decode and populate gd->bd->bi_dram
  *
  * Decode the /memory 'reg' property to determine the address and size of the