Merge tag 'ti-v2021.07-rc1' of https://source.denx.de/u-boot/custodians/u-boot-ti

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

diff --git a/include/fdt_support.h b/include/fdt_support.h
index b1543b5..46eb1db 100644 (file)
--- a/include/fdt_support.h
+++ b/include/fdt_support.h
@@ -180,7 +180,7 @@ int fdt_find_or_add_subnode(void *fdt, int parentoffset, const char *name);
  * This function is called if CONFIG_OF_BOARD_SETUP is defined
  *
  * @param blob         FDT blob to update
- * @param bd_t         Pointer to board data
+ * @param bd           Pointer to board data
  * @return 0 if ok, or -FDT_ERR_... on error
  */
 int ft_board_setup(void *blob, struct bd_info *bd);
@@ -202,7 +202,7 @@ void ft_pci_setup(void *blob, struct bd_info *bd);
  * This function is called if CONFIG_OF_SYSTEM_SETUP is defined
  *
  * @param blob         FDT blob to update
- * @param bd_t         Pointer to board data
+ * @param bd           Pointer to board data
  * @return 0 if ok, or -FDT_ERR_... on error
  */
 int ft_system_setup(void *blob, struct bd_info *bd);
@@ -260,6 +260,20 @@ u64 fdt_translate_address(const void *blob, int node_offset,
 u64 fdt_translate_dma_address(const void *blob, int node_offset,
                              const __be32 *in_addr);
 
+/**
+ * Get DMA ranges for a specifc node, this is useful to perform bus->cpu and
+ * cpu->bus address translations
+ *
+ * @param blob         Pointer to device tree blob
+ * @param node_offset  Node DT offset
+ * @param cpu          Pointer to variable storing the range's cpu address
+ * @param bus          Pointer to variable storing the range's bus address
+ * @param size         Pointer to variable storing the range's size
+ * @return translated DMA address or OF_BAD_ADDR on error
+ */
+int fdt_get_dma_range(const void *blob, int node_offset, phys_addr_t *cpu,
+                     dma_addr_t *bus, u64 *size);
+
 int fdt_node_offset_by_compat_reg(void *blob, const char *compat,
                                        phys_addr_t compat_off);
 int fdt_alloc_phandle(void *blob);
@@ -359,4 +373,7 @@ int fdt_update_ethernet_dt(void *blob);
 #ifdef CONFIG_FSL_MC_ENET
 void fdt_fixup_board_enet(void *blob);
 #endif
+#ifdef CONFIG_CMD_PSTORE
+void fdt_fixup_pstore(void *blob);
+#endif
 #endif /* ifndef __FDT_SUPPORT_H */