Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 391 insertions, 0 deletions

diff --git a/roms/u-boot/include/fdt_support.h b/roms/u-boot/include/fdt_support.h
new file mode 100644
index 000000000..1e4dbc0a8
--- /dev/null
+++ b/roms/u-boot/include/fdt_support.h
@@ -0,0 +1,391 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2007
+ * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
+ */
+
+#ifndef __FDT_SUPPORT_H
+#define __FDT_SUPPORT_H
+
+#ifdef CONFIG_OF_LIBFDT
+
+#include <asm/u-boot.h>
+#include <linux/libfdt.h>
+
+/**
+ * arch_fixup_fdt() - Write arch-specific information to fdt
+ *
+ * Defined in arch/$(ARCH)/lib/bootm-fdt.c
+ *
+ * @blob:	FDT blob to write to
+ * @return 0 if ok, or -ve FDT_ERR_... on failure
+ */
+int arch_fixup_fdt(void *blob);
+
+void ft_cpu_setup(void *blob, struct bd_info *bd);
+
+void ft_pci_setup(void *blob, struct bd_info *bd);
+
+u32 fdt_getprop_u32_default_node(const void *fdt, int off, int cell,
+				const char *prop, const u32 dflt);
+u32 fdt_getprop_u32_default(const void *fdt, const char *path,
+				const char *prop, const u32 dflt);
+
+/**
+ * Add data to the root of the FDT before booting the OS.
+ *
+ * See doc/device-tree-bindings/root.txt
+ *
+ * @param fdt		FDT address in memory
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
+int fdt_root(void *fdt);
+
+/**
+ * Add chosen data the FDT before booting the OS.
+ *
+ * In particular, this adds the kernel command line (bootargs) to the FDT.
+ *
+ * @param fdt		FDT address in memory
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
+int fdt_chosen(void *fdt);
+
+/**
+ * Add initrd information to the FDT before booting the OS.
+ *
+ * @param fdt		FDT address in memory
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
+int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end);
+
+void do_fixup_by_path(void *fdt, const char *path, const char *prop,
+		      const void *val, int len, int create);
+void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
+			  u32 val, int create);
+
+static inline void do_fixup_by_path_string(void *fdt, const char *path,
+					   const char *prop, const char *status)
+{
+	do_fixup_by_path(fdt, path, prop, status, strlen(status) + 1, 1);
+}
+
+void do_fixup_by_prop(void *fdt,
+		      const char *pname, const void *pval, int plen,
+		      const char *prop, const void *val, int len,
+		      int create);
+void do_fixup_by_prop_u32(void *fdt,
+			  const char *pname, const void *pval, int plen,
+			  const char *prop, u32 val, int create);
+void do_fixup_by_compat(void *fdt, const char *compat,
+			const char *prop, const void *val, int len, int create);
+void do_fixup_by_compat_u32(void *fdt, const char *compat,
+			    const char *prop, u32 val, int create);
+/**
+ * Setup the memory node in the DT. Creates one if none was existing before.
+ * Calls fdt_fixup_memory_banks() to populate a single reg pair covering the
+ * whole memory.
+ *
+ * @param blob		FDT blob to update
+ * @param start		Begin of DRAM mapping in physical memory
+ * @param size		Size of the single memory bank
+ * @return 0 if ok, or -1 or -FDT_ERR_... on error
+ */
+int fdt_fixup_memory(void *blob, u64 start, u64 size);
+
+/**
+ * Fill the DT memory node with multiple memory banks.
+ * Creates the node if none was existing before.
+ * If banks is 0, it will not touch the existing reg property. This allows
+ * boards to not mess with the existing DT setup, which may have been
+ * filled in properly before.
+ *
+ * @param blob		FDT blob to update
+ * @param start		Array of size <banks> to hold the start addresses.
+ * @param size		Array of size <banks> to hold the size of each region.
+ * @param banks		Number of memory banks to create. If 0, the reg
+ *			property will be left untouched.
+ * @return 0 if ok, or -1 or -FDT_ERR_... on error
+ */
+#ifdef CONFIG_ARCH_FIXUP_FDT_MEMORY
+int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks);
+int fdt_set_usable_memory(void *blob, u64 start[], u64 size[], int banks);
+#else
+static inline int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[],
+					 int banks)
+{
+	return 0;
+}
+#endif
+
+void fdt_fixup_ethernet(void *fdt);
+int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
+			 const void *val, int len, int create);
+void fdt_fixup_qe_firmware(void *fdt);
+
+/**
+ * Update native-mode property of display-timings node to the phandle
+ * of the timings matching a display by name (case insensitive).
+ *
+ * see kernel Documentation/devicetree/bindings/video/display-timing.txt
+ *
+ * @param blob		FDT blob to update
+ * @param path		path within dt
+ * @param display	name of display timing to match
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
+int fdt_fixup_display(void *blob, const char *path, const char *display);
+
+#if defined(CONFIG_USB_EHCI_FSL) || defined(CONFIG_USB_XHCI_FSL)
+void fsl_fdt_fixup_dr_usb(void *blob, struct bd_info *bd);
+#else
+static inline void fsl_fdt_fixup_dr_usb(void *blob, struct bd_info *bd) {}
+#endif /* defined(CONFIG_USB_EHCI_FSL) || defined(CONFIG_USB_XHCI_FSL) */
+
+#if defined(CONFIG_SYS_FSL_SEC_COMPAT)
+void fdt_fixup_crypto_node(void *blob, int sec_rev);
+#else
+static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {}
+#endif
+
+/**
+ * Record information about a processed loadable in /fit-images (creating
+ * /fit-images if necessary).
+ *
+ * @param blob		FDT blob to update
+ * @param index	        index of this loadable
+ * @param name          name of the loadable
+ * @param load_addr     address the loadable was loaded to
+ * @param size          number of bytes loaded
+ * @param entry_point   entry point (if specified, otherwise pass -1)
+ * @param type          type (if specified, otherwise pass NULL)
+ * @param os            os-type (if specified, otherwise pass NULL)
+ * @return 0 if ok, or -1 or -FDT_ERR_... on error
+ */
+int fdt_record_loadable(void *blob, u32 index, const char *name,
+			uintptr_t load_addr, u32 size, uintptr_t entry_point,
+			const char *type, const char *os);
+
+#ifdef CONFIG_PCI
+#include <pci.h>
+int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose);
+#endif
+
+int fdt_find_or_add_subnode(void *fdt, int parentoffset, const char *name);
+
+/**
+ * Add board-specific data to the FDT before booting the OS.
+ *
+ * Use CONFIG_SYS_FDT_PAD to ensure there is sufficient space.
+ * This function is called if CONFIG_OF_BOARD_SETUP is defined
+ *
+ * @param blob		FDT blob to update
+ * @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);
+
+/**
+ * board_fdt_chosen_bootargs() - Arbitrarily amend fdt kernel command line
+ *
+ * This is used for late modification of kernel command line arguments just
+ * before they are added into the /chosen node in flat device tree.
+ *
+ * @return: pointer to kernel command line arguments in memory
+ */
+char *board_fdt_chosen_bootargs(void);
+
+/*
+ * The keystone2 SOC requires all 32 bit aliased addresses to be converted
+ * to their 36 physical format. This has to happen after all fdt nodes
+ * are added or modified by the image_setup_libfdt(). The ft_board_setup_ex()
+ * called at the end of the image_setup_libfdt() is to do that convertion.
+ */
+void ft_board_setup_ex(void *blob, struct bd_info *bd);
+void ft_cpu_setup(void *blob, struct bd_info *bd);
+void ft_pci_setup(void *blob, struct bd_info *bd);
+
+/**
+ * Add system-specific data to the FDT before booting the OS.
+ *
+ * Use CONFIG_SYS_FDT_PAD to ensure there is sufficient space.
+ * This function is called if CONFIG_OF_SYSTEM_SETUP is defined
+ *
+ * @param blob		FDT blob to update
+ * @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);
+
+void set_working_fdt_addr(ulong addr);
+
+/**
+ * shrink down the given blob to minimum size + some extrasize if required
+ *
+ * @param blob		FDT blob to update
+ * @param extrasize	additional bytes needed
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
+int fdt_shrink_to_minimum(void *blob, uint extrasize);
+int fdt_increase_size(void *fdt, int add_len);
+
+int fdt_fixup_nor_flash_size(void *blob);
+
+struct node_info;
+#if defined(CONFIG_FDT_FIXUP_PARTITIONS)
+void fdt_fixup_mtdparts(void *fdt, const struct node_info *node_info,
+			int node_info_size);
+#else
+static inline void fdt_fixup_mtdparts(void *fdt,
+				      const struct node_info *node_info,
+				      int node_info_size)
+{
+}
+#endif
+
+void fdt_del_node_and_alias(void *blob, const char *alias);
+
+/**
+ * Translate an address from the DT into a CPU physical address
+ *
+ * The translation relies on the "ranges" property.
+ *
+ * @param blob		Pointer to device tree blob
+ * @param node_offset	Node DT offset
+ * @param in_addr	Pointer to the address to translate
+ * @return translated address or OF_BAD_ADDR on error
+ */
+u64 fdt_translate_address(const void *blob, int node_offset,
+			  const __be32 *in_addr);
+/**
+ * Translate a DMA address from the DT into a CPU physical address
+ *
+ * The translation relies on the "dma-ranges" property.
+ *
+ * @param blob		Pointer to device tree blob
+ * @param node_offset	Node DT offset
+ * @param in_addr	Pointer to the DMA address to translate
+ * @return translated DMA address or OF_BAD_ADDR on error
+ */
+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);
+int fdt_set_phandle(void *fdt, int nodeoffset, uint32_t phandle);
+unsigned int fdt_create_phandle(void *fdt, int nodeoffset);
+int fdt_add_edid(void *blob, const char *compat, unsigned char *buf);
+
+int fdt_verify_alias_address(void *fdt, int anode, const char *alias,
+			      u64 addr);
+u64 fdt_get_base_address(const void *fdt, int node);
+int fdt_read_range(void *fdt, int node, int n, uint64_t *child_addr,
+		   uint64_t *addr, uint64_t *len);
+
+enum fdt_status {
+	FDT_STATUS_OKAY,
+	FDT_STATUS_DISABLED,
+	FDT_STATUS_FAIL,
+	FDT_STATUS_FAIL_ERROR_CODE,
+};
+int fdt_set_node_status(void *fdt, int nodeoffset,
+			enum fdt_status status, unsigned int error_code);
+static inline int fdt_status_okay(void *fdt, int nodeoffset)
+{
+	return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_OKAY, 0);
+}
+static inline int fdt_status_disabled(void *fdt, int nodeoffset)
+{
+	return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_DISABLED, 0);
+}
+static inline int fdt_status_fail(void *fdt, int nodeoffset)
+{
+	return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_FAIL, 0);
+}
+
+int fdt_set_status_by_alias(void *fdt, const char *alias,
+			    enum fdt_status status, unsigned int error_code);
+static inline int fdt_status_okay_by_alias(void *fdt, const char *alias)
+{
+	return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_OKAY, 0);
+}
+static inline int fdt_status_disabled_by_alias(void *fdt, const char *alias)
+{
+	return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_DISABLED, 0);
+}
+static inline int fdt_status_fail_by_alias(void *fdt, const char *alias)
+{
+	return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_FAIL, 0);
+}
+
+/* Helper to read a big number; size is in cells (not bytes) */
+static inline u64 fdt_read_number(const fdt32_t *cell, int size)
+{
+	u64 r = 0;
+	while (size--)
+		r = (r << 32) | fdt32_to_cpu(*(cell++));
+	return r;
+}
+
+void fdt_support_default_count_cells(const void *blob, int parentoffset,
+					int *addrc, int *sizec);
+int ft_verify_fdt(void *fdt);
+int arch_fixup_memory_node(void *blob);
+
+int fdt_setup_simplefb_node(void *fdt, int node, u64 base_address, u32 width,
+			    u32 height, u32 stride, const char *format);
+
+int fdt_overlay_apply_verbose(void *fdt, void *fdto);
+
+int fdt_valid(struct fdt_header **blobp);
+
+/**
+ * fdt_get_cells_len() - Get the length of a type of cell in top-level nodes
+ *
+ * Returns the length of the cell type in bytes (4 or 8).
+ *
+ * @blob: Pointer to device tree blob
+ * @nr_cells_name: Name to lookup, e.g. "#address-cells"
+ */
+int fdt_get_cells_len(const void *blob, char *nr_cells_name);
+
+#endif /* ifdef CONFIG_OF_LIBFDT */
+
+#ifdef USE_HOSTCC
+int fdtdec_get_int(const void *blob, int node, const char *prop_name,
+		int default_val);
+
+/*
+ * 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);
+#endif
+#ifdef CONFIG_FMAN_ENET
+int fdt_update_ethernet_dt(void *blob);
+#endif
+#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 */