typedef phys_addr_t fdt_addr_t;
typedef phys_size_t fdt_size_t;
-static inline fdt32_t fdt_addr_unpack(fdt_addr_t addr, fdt32_t *upper)
-{
- if (upper)
-#ifdef CONFIG_PHYS_64BIT
- *upper = addr >> 32;
-#else
- *upper = 0;
-#endif
-
- return addr;
-}
-
-static inline fdt32_t fdt_size_unpack(fdt_size_t size, fdt32_t *upper)
-{
- if (upper)
-#ifdef CONFIG_PHYS_64BIT
- *upper = size >> 32;
-#else
- *upper = 0;
-#endif
-
- return size;
-}
-
#ifdef CONFIG_PHYS_64BIT
#define FDT_ADDR_T_NONE (-1U)
#define fdt_addr_to_cpu(reg) be64_to_cpu(reg)
#define SPL_BUILD 0
#endif
-#if CONFIG_IS_ENABLED(OF_PRIOR_STAGE)
+#ifdef CONFIG_OF_PRIOR_STAGE
extern phys_addr_t prior_stage_fdt_address;
#endif
u32 phys_lo;
};
+extern u8 __dtb_dt_begin[]; /* embedded device tree blob */
+extern u8 __dtb_dt_spl_begin[]; /* embedded device tree blob for SPL/TPL */
+
/**
* Compute the size of a resource.
*
fdt_addr_t fdtdec_get_addr_size(const void *blob, int node,
const char *prop_name, fdt_size_t *sizep);
-/**
- * Look at an address property in a node and return the pci address which
- * corresponds to the given type in the form of fdt_pci_addr.
- * The property must hold one fdt_pci_addr with a lengh.
- *
- * @param blob FDT blob
- * @param node node to examine
- * @param type pci address type (FDT_PCI_SPACE_xxx)
- * @param prop_name name of property to find
- * @param addr returns pci address in the form of fdt_pci_addr
- * @return 0 if ok, -ENOENT if the property did not exist, -EINVAL if the
- * format of the property was invalid, -ENXIO if the requested
- * address type was not found
- */
-int fdtdec_get_pci_addr(const void *blob, int node, enum fdt_pci_space type,
- const char *prop_name, struct fdt_pci_addr *addr);
-
/**
* Look at the compatible property of a device node that represents a PCI
* device and extract pci vendor id and device id from it.
* @param bar returns base address of the pci device's registers
* @return 0 if ok, negative on error
*/
-int fdtdec_get_pci_bar32(struct udevice *dev, struct fdt_pci_addr *addr,
+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
struct display_timing *config);
/**
- * fdtdec_setup_mem_size_base_fdt() - decode and setup gd->ram_size and
+ * fdtdec_setup_mem_size_base() - decode and setup gd->ram_size and
* gd->ram_start
*
* Decode the /memory 'reg' property to determine the size and start of the
* address instead of hard coding the value in the case where the memory size
* and start address cannot be detected automatically.
*
- * @param blob FDT blob
- *
* @return 0 if OK, -EINVAL if the /memory node or reg property is missing or
* invalid
*/
-int fdtdec_setup_mem_size_base_fdt(const void *blob);
+int fdtdec_setup_mem_size_base(void);
/**
- * fdtdec_setup_mem_size_base() - decode and setup gd->ram_size and
- * gd->ram_start
+ * 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 size and start of the
- * first memory bank, populate the global data with the size and start of the
- * first bank of memory.
+ * 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
* @return 0 if OK, -EINVAL if the /memory node or reg property is missing or
* invalid
*/
-int fdtdec_setup_mem_size_base(void);
+int fdtdec_setup_mem_size_base_lowest(void);
/**
- * fdtdec_setup_memory_banksize_fdt() - decode and populate gd->bd->bi_dram
+ * fdtdec_setup_memory_banksize() - decode and populate gd->bd->bi_dram
*
* Decode the /memory 'reg' property to determine the address and size of the
* memory banks. Use this data to populate the global data board info with the
* information instead of hard coding the information in cases where it cannot
* be detected automatically.
*
- * @param blob FDT blob
- *
* @return 0 if OK, -EINVAL if the /memory node or reg property is missing or
* invalid
*/
-int fdtdec_setup_memory_banksize_fdt(const void *blob);
+int fdtdec_setup_memory_banksize(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
- * memory banks. Use this data to populate the global data board info with the
- * phys address and size of memory banks.
- *
- * This function should be called from a boards dram_init_banksize(). This
- * helper function allows for boards to query the device tree for memory bank
- * information instead of hard coding the information in cases where it cannot
- * be detected automatically.
- *
- * @return 0 if OK, -EINVAL if the /memory node or reg property is missing or
- * invalid
+ * fdtdec_set_ethernet_mac_address() - set MAC address for default interface
+ *
+ * Looks up the default interface via the "ethernet" alias (in the /aliases
+ * node) and stores the given MAC in its "local-mac-address" property. This
+ * is useful on platforms that store the MAC address in a custom location.
+ * Board code can call this in the late init stage to make sure that the
+ * interface device tree node has the right MAC address configured for the
+ * Ethernet uclass to pick it up.
+ *
+ * Typically the FDT passed into this function will be U-Boot's control DTB.
+ * Given that a lot of code may be holding offsets to various nodes in that
+ * tree, this code will only set the "local-mac-address" property in-place,
+ * which means that it needs to exist and have space for the 6-byte address.
+ * This ensures that the operation is non-destructive and does not invalidate
+ * offsets that other drivers may be using.
+ *
+ * @param fdt FDT blob
+ * @param mac buffer containing the MAC address to set
+ * @param size size of MAC address
+ * @return 0 on success or a negative error code on failure
*/
-int fdtdec_setup_memory_banksize(void);
+int fdtdec_set_ethernet_mac_address(void *fdt, const u8 *mac, size_t size);
/**
* fdtdec_set_phandle() - sets the phandle of a given node
* };
* uint32_t phandle;
*
- * fdtdec_add_reserved_memory(fdt, "framebuffer", &fb, &phandle);
+ * fdtdec_add_reserved_memory(fdt, "framebuffer", &fb, &phandle, false);
*
* This results in the following subnode being added to the top-level
* /reserved-memory node:
* @param basename base name of the node to create
* @param carveout information about the carveout region
* @param phandlep return location for the phandle of the carveout region
+ * can be NULL if no phandle should be added
+ * @param no_map add "no-map" property if true
* @return 0 on success or a negative error code on failure
*/
int fdtdec_add_reserved_memory(void *blob, const char *basename,
const struct fdt_memory *carveout,
- uint32_t *phandlep);
+ uint32_t *phandlep, bool no_map);
/**
* fdtdec_get_carveout() - reads a carveout from an FDT
*/
int fdtdec_setup(void);
+/**
+ * Perform board-specific early DT adjustments
+ */
+int fdtdec_board_setup(const void *fdt_blob);
+
#if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
/**
* fdtdec_resetup() - Set up the device tree again
projects / J-u-boot.git / blobdiff