* A typedef for a physical address. Note that fdt data is always big
* endian even on a litle endian machine.
*/
+typedef phys_addr_t fdt_addr_t;
+typedef phys_size_t fdt_size_t;
#ifdef CONFIG_PHYS_64BIT
-typedef u64 fdt_addr_t;
-typedef u64 fdt_size_t;
#define FDT_ADDR_T_NONE (-1ULL)
#define fdt_addr_to_cpu(reg) be64_to_cpu(reg)
#define fdt_size_to_cpu(reg) be64_to_cpu(reg)
#else
-typedef u32 fdt_addr_t;
-typedef u32 fdt_size_t;
#define FDT_ADDR_T_NONE (-1U)
#define fdt_addr_to_cpu(reg) be32_to_cpu(reg)
#define fdt_size_to_cpu(reg) be32_to_cpu(reg)
fdt_addr_t end;
};
-#ifdef CONFIG_OF_CONTROL
-# if defined(CONFIG_SPL_BUILD) && defined(SPL_DISABLE_OF_CONTROL)
-# define OF_CONTROL 0
-# else
-# define OF_CONTROL 1
-# endif
+#ifdef CONFIG_SPL_BUILD
+#define SPL_BUILD 1
#else
-# define OF_CONTROL 0
+#define SPL_BUILD 0
#endif
/*
*/
enum fdt_compat_id {
COMPAT_UNKNOWN,
- COMPAT_NVIDIA_TEGRA20_USB, /* Tegra20 USB port */
- COMPAT_NVIDIA_TEGRA30_USB, /* Tegra30 USB port */
- COMPAT_NVIDIA_TEGRA114_USB, /* Tegra114 USB port */
COMPAT_NVIDIA_TEGRA20_EMC, /* Tegra20 memory controller */
COMPAT_NVIDIA_TEGRA20_EMC_TABLE, /* Tegra20 memory timing table */
- COMPAT_NVIDIA_TEGRA20_KBC, /* Tegra20 Keyboard */
COMPAT_NVIDIA_TEGRA20_NAND, /* Tegra2 NAND controller */
- COMPAT_NVIDIA_TEGRA20_PWM, /* Tegra 2 PWM controller */
- COMPAT_NVIDIA_TEGRA124_DC, /* Tegra 124 Display controller */
- COMPAT_NVIDIA_TEGRA124_SOR, /* Tegra 124 Serial Output Resource */
COMPAT_NVIDIA_TEGRA124_PMC, /* Tegra 124 power mgmt controller */
- COMPAT_NVIDIA_TEGRA20_DC, /* Tegra 2 Display controller */
+ COMPAT_NVIDIA_TEGRA186_SDMMC, /* Tegra186 SDMMC controller */
+ COMPAT_NVIDIA_TEGRA210_SDMMC, /* Tegra210 SDMMC controller */
COMPAT_NVIDIA_TEGRA124_SDMMC, /* Tegra124 SDMMC controller */
COMPAT_NVIDIA_TEGRA30_SDMMC, /* Tegra30 SDMMC controller */
COMPAT_NVIDIA_TEGRA20_SDMMC, /* Tegra20 SDMMC controller */
- COMPAT_NVIDIA_TEGRA124_PCIE, /* Tegra 124 PCIe controller */
- COMPAT_NVIDIA_TEGRA30_PCIE, /* Tegra 30 PCIe controller */
- COMPAT_NVIDIA_TEGRA20_PCIE, /* Tegra 20 PCIe controller */
COMPAT_NVIDIA_TEGRA124_XUSB_PADCTL,
/* Tegra124 XUSB pad controller */
+ COMPAT_NVIDIA_TEGRA210_XUSB_PADCTL,
+ /* Tegra210 XUSB pad controller */
COMPAT_SMSC_LAN9215, /* SMSC 10/100 Ethernet LAN9215 */
COMPAT_SAMSUNG_EXYNOS5_SROMC, /* Exynos5 SROMC */
COMPAT_SAMSUNG_S3C2440_I2C, /* Exynos I2C Controller */
COMPAT_SAMSUNG_EXYNOS5_SOUND, /* Exynos Sound */
COMPAT_WOLFSON_WM8994_CODEC, /* Wolfson WM8994 Sound Codec */
- COMPAT_GOOGLE_CROS_EC_KEYB, /* Google CROS_EC Keyboard */
COMPAT_SAMSUNG_EXYNOS_USB_PHY, /* Exynos phy controller for usb2.0 */
COMPAT_SAMSUNG_EXYNOS5_USB3_PHY,/* Exynos phy controller for usb3.0 */
COMPAT_SAMSUNG_EXYNOS_TMU, /* Exynos TMU */
- COMPAT_SAMSUNG_EXYNOS_FIMD, /* Exynos Display controller */
COMPAT_SAMSUNG_EXYNOS_MIPI_DSI, /* Exynos mipi dsi */
- COMPAT_SAMSUNG_EXYNOS5_DP, /* Exynos Display port controller */
COMPAT_SAMSUNG_EXYNOS_DWMMC, /* Exynos DWMMC controller */
COMPAT_SAMSUNG_EXYNOS_MMC, /* Exynos MMC controller */
- COMPAT_SAMSUNG_EXYNOS_SERIAL, /* Exynos UART */
COMPAT_MAXIM_MAX77686_PMIC, /* MAX77686 PMIC */
COMPAT_GENERIC_SPI_FLASH, /* Generic SPI Flash chip */
COMPAT_MAXIM_98095_CODEC, /* MAX98095 Codec */
- COMPAT_INFINEON_SLB9635_TPM, /* Infineon SLB9635 TPM */
- COMPAT_INFINEON_SLB9645_TPM, /* Infineon SLB9645 TPM */
COMPAT_SAMSUNG_EXYNOS5_I2C, /* Exynos5 High Speed I2C Controller */
- COMPAT_SANDBOX_LCD_SDL, /* Sandbox LCD emulation with SDL */
- COMPAT_TI_TPS65090, /* Texas Instrument TPS65090 */
- COMPAT_NXP_PTN3460, /* NXP PTN3460 DP/LVDS bridge */
COMPAT_SAMSUNG_EXYNOS_SYSMMU, /* Exynos sysmmu */
- COMPAT_PARADE_PS8625, /* Parade PS8622 EDP->LVDS bridge */
COMPAT_INTEL_MICROCODE, /* Intel microcode update */
- COMPAT_MEMORY_SPD, /* Memory SPD information */
- COMPAT_INTEL_PANTHERPOINT_AHCI, /* Intel Pantherpoint AHCI */
- COMPAT_INTEL_MODEL_206AX, /* Intel Model 206AX CPU */
- COMPAT_INTEL_GMA, /* Intel Graphics Media Accelerator */
COMPAT_AMS_AS3722, /* AMS AS3722 PMIC */
- COMPAT_INTEL_ICH_SPI, /* Intel ICH7/9 SPI controller */
COMPAT_INTEL_QRK_MRC, /* Intel Quark MRC */
- COMPAT_SOCIONEXT_XHCI, /* Socionext UniPhier xHCI */
- COMPAT_INTEL_PCH, /* Intel PCH */
+ COMPAT_ALTERA_SOCFPGA_DWMAC, /* SoCFPGA Ethernet controller */
+ COMPAT_ALTERA_SOCFPGA_DWMMC, /* SoCFPGA DWMMC controller */
+ COMPAT_ALTERA_SOCFPGA_DWC2USB, /* SoCFPGA DWC2 USB controller */
+ COMPAT_INTEL_BAYTRAIL_FSP, /* Intel Bay Trail FSP */
+ COMPAT_INTEL_BAYTRAIL_FSP_MDP, /* Intel FSP memory-down params */
+ COMPAT_INTEL_IVYBRIDGE_FSP, /* Intel Ivy Bridge FSP */
+ COMPAT_SUNXI_NAND, /* SUNXI NAND controller */
+ COMPAT_ALTERA_SOCFPGA_CLK, /* SoCFPGA Clock initialization */
+ COMPAT_ALTERA_SOCFPGA_PINCTRL_SINGLE, /* SoCFPGA pinctrl-single */
+ COMPAT_ALTERA_SOCFPGA_H2F_BRG, /* SoCFPGA hps2fpga bridge */
+ COMPAT_ALTERA_SOCFPGA_LWH2F_BRG, /* SoCFPGA lwhps2fpga bridge */
+ COMPAT_ALTERA_SOCFPGA_F2H_BRG, /* SoCFPGA fpga2hps bridge */
+ COMPAT_ALTERA_SOCFPGA_F2SDR0, /* SoCFPGA fpga2SDRAM0 bridge */
+ COMPAT_ALTERA_SOCFPGA_F2SDR1, /* SoCFPGA fpga2SDRAM1 bridge */
+ COMPAT_ALTERA_SOCFPGA_F2SDR2, /* SoCFPGA fpga2SDRAM2 bridge */
COMPAT_COUNT,
};
int fdtdec_next_compatible_subnode(const void *blob, int node,
enum fdt_compat_id id, int *depthp);
-/**
- * Look up an address property in a node and return it as an address.
- * The property must hold either one address with no trailing data or
- * one address with a length. This is only tested on 32-bit machines.
+/*
+ * Look up an address property in a node and return the parsed address, and
+ * optionally the parsed size.
+ *
+ * This variant assumes a known and fixed number of cells are used to
+ * represent the address and size.
+ *
+ * You probably don't want to use this function directly except to parse
+ * non-standard properties, and never to parse the "reg" property. Instead,
+ * use one of the "auto" variants below, which automatically honor the
+ * #address-cells and #size-cells properties in the parent node.
+ *
+ * @param blob FDT blob
+ * @param node node to examine
+ * @param prop_name name of property to find
+ * @param index which address to retrieve from a list of addresses. Often 0.
+ * @param na the number of cells used to represent an address
+ * @param ns the number of cells used to represent a size
+ * @param sizep a pointer to store the size into. Use NULL if not required
+ * @param translate Indicates whether to translate the returned value
+ * using the parent node's ranges property.
+ * @return address, if found, or FDT_ADDR_T_NONE if not
+ */
+fdt_addr_t fdtdec_get_addr_size_fixed(const void *blob, int node,
+ const char *prop_name, int index, int na, int ns,
+ fdt_size_t *sizep, bool translate);
+
+/*
+ * Look up an address property in a node and return the parsed address, and
+ * optionally the parsed size.
+ *
+ * This variant automatically determines the number of cells used to represent
+ * the address and size by parsing the provided parent node's #address-cells
+ * and #size-cells properties.
+ *
+ * @param blob FDT blob
+ * @param parent parent node of @node
+ * @param node node to examine
+ * @param prop_name name of property to find
+ * @param index which address to retrieve from a list of addresses. Often 0.
+ * @param sizep a pointer to store the size into. Use NULL if not required
+ * @param translate Indicates whether to translate the returned value
+ * using the parent node's ranges property.
+ * @return address, if found, or FDT_ADDR_T_NONE if not
+ */
+fdt_addr_t fdtdec_get_addr_size_auto_parent(const void *blob, int parent,
+ int node, const char *prop_name, int index, fdt_size_t *sizep,
+ bool translate);
+
+/*
+ * Look up an address property in a node and return the parsed address, and
+ * optionally the parsed size.
+ *
+ * This variant automatically determines the number of cells used to represent
+ * the address and size by parsing the parent node's #address-cells
+ * and #size-cells properties. The parent node is automatically found.
+ *
+ * The automatic parent lookup implemented by this function is slow.
+ * Consequently, fdtdec_get_addr_size_auto_parent() should be used where
+ * possible.
+ *
+ * @param blob FDT blob
+ * @param parent parent node of @node
+ * @param node node to examine
+ * @param prop_name name of property to find
+ * @param index which address to retrieve from a list of addresses. Often 0.
+ * @param sizep a pointer to store the size into. Use NULL if not required
+ * @param translate Indicates whether to translate the returned value
+ * using the parent node's ranges property.
+ * @return address, if found, or FDT_ADDR_T_NONE if not
+ */
+fdt_addr_t fdtdec_get_addr_size_auto_noparent(const void *blob, int node,
+ const char *prop_name, int index, fdt_size_t *sizep,
+ bool translate);
+
+/*
+ * Look up an address property in a node and return the parsed address.
+ *
+ * This variant hard-codes the number of cells used to represent the address
+ * and size based on sizeof(fdt_addr_t) and sizeof(fdt_size_t). It also
+ * always returns the first address value in the property (index 0).
+ *
+ * Use of this function is not recommended due to the hard-coding of cell
+ * counts. There is no programmatic validation that these hard-coded values
+ * actually match the device tree content in any way at all. This assumption
+ * can be satisfied by manually ensuring CONFIG_PHYS_64BIT is appropriately
+ * set in the U-Boot build and exercising strict control over DT content to
+ * ensure use of matching #address-cells/#size-cells properties. However, this
+ * approach is error-prone; those familiar with DT will not expect the
+ * assumption to exist, and could easily invalidate it. If the assumption is
+ * invalidated, this function will not report the issue, and debugging will
+ * be required. Instead, use fdtdec_get_addr_size_auto_parent().
*
* @param blob FDT blob
* @param node node to examine
fdt_addr_t fdtdec_get_addr(const void *blob, int node,
const char *prop_name);
-/**
- * Look up an address property in a node and return it as an address.
- * The property must hold one address with a length. This is only tested
- * on 32-bit machines.
+/*
+ * Look up an address property in a node and return the parsed address, and
+ * optionally the parsed size.
+ *
+ * This variant hard-codes the number of cells used to represent the address
+ * and size based on sizeof(fdt_addr_t) and sizeof(fdt_size_t). It also
+ * always returns the first address value in the property (index 0).
+ *
+ * Use of this function is not recommended due to the hard-coding of cell
+ * counts. There is no programmatic validation that these hard-coded values
+ * actually match the device tree content in any way at all. This assumption
+ * can be satisfied by manually ensuring CONFIG_PHYS_64BIT is appropriately
+ * set in the U-Boot build and exercising strict control over DT content to
+ * ensure use of matching #address-cells/#size-cells properties. However, this
+ * approach is error-prone; those familiar with DT will not expect the
+ * assumption to exist, and could easily invalidate it. If the assumption is
+ * invalidated, this function will not report the issue, and debugging will
+ * be required. Instead, use fdtdec_get_addr_size_auto_parent().
*
* @param blob FDT blob
* @param node node to examine
* @param prop_name name of property to find
+ * @param sizep a pointer to store the size into. Use NULL if not required
* @return address, if found, or FDT_ADDR_T_NONE if not
*/
fdt_addr_t fdtdec_get_addr_size(const void *blob, int node,
int fdtdec_get_pci_vendev(const void *blob, int node,
u16 *vendor, u16 *device);
-/**
- * Look at the pci address of a device node that represents a PCI device
- * and parse the bus, device and function number from it. For some cases
- * like the bus number encoded in reg property is not correct after pci
- * enumeration, this function looks through the node's compatible strings
- * to get these numbers extracted instead.
- *
- * @param blob FDT blob
- * @param node node to examine
- * @param addr pci address in the form of fdt_pci_addr
- * @param bdf returns bus, device, function triplet
- * @return 0 if ok, negative on error
- */
-int fdtdec_get_pci_bdf(const void *blob, int node,
- struct fdt_pci_addr *addr, pci_dev_t *bdf);
-
/**
* Look at the pci address of a device node that represents a PCI device
* and return base address of the pci device's registers.
*
- * @param blob FDT blob
- * @param node node to examine
+ * @param dev device to examine
* @param addr pci address in the form of fdt_pci_addr
* @param bar returns base address of the pci device's registers
* @return 0 if ok, negative on error
*/
-int fdtdec_get_pci_bar32(const void *blob, int node,
- struct fdt_pci_addr *addr, u32 *bar);
+int fdtdec_get_pci_bar32(struct udevice *dev, struct fdt_pci_addr *addr,
+ u32 *bar);
/**
* Look up a 32-bit integer property in a node and return it. The property
s32 fdtdec_get_int(const void *blob, int node, const char *prop_name,
s32 default_val);
+/**
+ * Unsigned version of fdtdec_get_int. The property must have at least
+ * 4 bytes of data. The value of the first cell is returned.
+ *
+ * @param blob FDT blob
+ * @param node node to examine
+ * @param prop_name name of property to find
+ * @param default_val default value to return if the property is not found
+ * @return unsigned integer value, if found, or default_val if not
+ */
+unsigned int fdtdec_get_uint(const void *blob, int node, const char *prop_name,
+ unsigned int default_val);
+
/**
* Get a variable-sized number from a property
*
* @param id Compatible ID to look for
* @param node_list Place to put list of found nodes
* @param maxcount Maximum number of nodes to find
- * @return number of nodes found on success, FTD_ERR_... on error
+ * @return number of nodes found on success, FDT_ERR_... on error
*/
int fdtdec_find_aliases_for_id(const void *blob, const char *name,
enum fdt_compat_id id, int *node_list, int maxcount);
int *seqp);
/**
- * Get the offset of the given chosen node
+ * Get a property from the /chosen node
+ *
+ * @param blob Device tree blob (if NULL, then NULL is returned)
+ * @param name Property name to look up
+ * @return Value of property, or NULL if it does not exist
+ */
+const char *fdtdec_get_chosen_prop(const void *blob, const char *name);
+
+/**
+ * Get the offset of the given /chosen node
*
* This looks up a property in /chosen containing the path to another node,
* then finds the offset of that node.
*/
int fdtdec_get_bool(const void *blob, int node, const char *prop_name);
+/*
+ * Count child nodes of one parent node.
+ *
+ * @param blob FDT blob
+ * @param node parent node
+ * @return number of child node; 0 if there is not child node
+ */
+int fdtdec_get_child_count(const void *blob, int node);
+
/**
* Look in the FDT for a config item with the given name and return its value
* as a 32-bit integer. The property must have at least 4 bytes of data. The
int fdtdec_decode_region(const void *blob, int node, const char *prop_name,
fdt_addr_t *basep, fdt_size_t *sizep);
-enum fmap_compress_t {
- FMAP_COMPRESS_NONE,
- FMAP_COMPRESS_LZO,
-};
-
-enum fmap_hash_t {
- FMAP_HASH_NONE,
- FMAP_HASH_SHA1,
- FMAP_HASH_SHA256,
-};
-
-/* A flash map entry, containing an offset and length */
-struct fmap_entry {
- uint32_t offset;
- uint32_t length;
- uint32_t used; /* Number of bytes used in region */
- enum fmap_compress_t compress_algo; /* Compression type */
- enum fmap_hash_t hash_algo; /* Hash algorithm */
- const uint8_t *hash; /* Hash value */
- int hash_size; /* Hash size */
-};
-
-/**
- * Read a flash entry from the fdt
- *
- * @param blob FDT blob
- * @param node Offset of node to read
- * @param name Name of node being read
- * @param entry Place to put offset and size of this node
- * @return 0 if ok, -ve on error
- */
-int fdtdec_read_fmap_entry(const void *blob, int node, const char *name,
- struct fmap_entry *entry);
-
/**
* Obtain an indexed resource from a device property.
*
struct timing_entry vsync_len; /* ver. sync len */
enum display_flags flags; /* display flags */
+ bool hdmi_monitor; /* is hdmi monitor? */
};
/**
*/
int fdtdec_decode_display_timing(const void *blob, int node, int index,
struct display_timing *config);
+
+/**
+ * fdtdec_setup_memory_size() - decode and setup gd->ram_size
+ *
+ * Decode the /memory 'reg' property to determine the size of the first memory
+ * bank, populate the global data with the size of the first bank of memory.
+ *
+ * This function should be called from a boards dram_init(). This helper
+ * function allows for boards to query the device tree for DRAM size instead of
+ * hard coding the value in the case where the memory size cannot be detected
+ * automatically.
+ *
+ * @return 0 if OK, -EINVAL if the /memory node or reg property is missing or
+ * invalid
+ */
+int fdtdec_setup_memory_size(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
+ */
+int fdtdec_setup_memory_banksize(void);
+
/**
* Set up the device tree ready for use
*/
int fdtdec_setup(void);
+/**
+ * Board-specific FDT initialization. Returns the address to a device tree blob.
+ * Called when CONFIG_OF_BOARD is defined.
+ */
+void *board_fdt_blob_setup(void);
+
#endif
projects / people / ms / u-boot.git / blobdiff