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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/include/dfu.h
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/include/dfu.h')
-rw-r--r--roms/u-boot/include/dfu.h554
1 files changed, 554 insertions, 0 deletions
diff --git a/roms/u-boot/include/dfu.h b/roms/u-boot/include/dfu.h
new file mode 100644
index 000000000..d18b70172
--- /dev/null
+++ b/roms/u-boot/include/dfu.h
@@ -0,0 +1,554 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * dfu.h - DFU flashable area description
+ *
+ * Copyright (C) 2012 Samsung Electronics
+ * authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
+ * Lukasz Majewski <l.majewski@samsung.com>
+ */
+
+#ifndef __DFU_ENTITY_H_
+#define __DFU_ENTITY_H_
+
+#include <common.h>
+#include <linux/list.h>
+#include <mmc.h>
+#include <spi_flash.h>
+#include <linux/usb/composite.h>
+
+enum dfu_device_type {
+ DFU_DEV_MMC = 1,
+ DFU_DEV_ONENAND,
+ DFU_DEV_NAND,
+ DFU_DEV_RAM,
+ DFU_DEV_SF,
+ DFU_DEV_MTD,
+ DFU_DEV_VIRT,
+};
+
+enum dfu_layout {
+ DFU_RAW_ADDR = 1,
+ DFU_FS_FAT,
+ DFU_FS_EXT2,
+ DFU_FS_EXT3,
+ DFU_FS_EXT4,
+ DFU_RAM_ADDR,
+ DFU_SKIP,
+ DFU_SCRIPT,
+};
+
+enum dfu_op {
+ DFU_OP_READ = 1,
+ DFU_OP_WRITE,
+ DFU_OP_SIZE,
+};
+
+struct mmc_internal_data {
+ int dev_num;
+
+ /* RAW programming */
+ unsigned int lba_start;
+ unsigned int lba_size;
+ unsigned int lba_blk_size;
+
+ /* eMMC HW partition access */
+ int hw_partition;
+
+ /* FAT/EXT */
+ unsigned int dev;
+ unsigned int part;
+};
+
+struct mtd_internal_data {
+ struct mtd_info *info;
+
+ /* RAW programming */
+ u64 start;
+ u64 size;
+ /* for ubi partition */
+ unsigned int ubi;
+};
+
+struct nand_internal_data {
+ /* RAW programming */
+ u64 start;
+ u64 size;
+
+ unsigned int dev;
+ unsigned int part;
+ /* for nand/ubi use */
+ unsigned int ubi;
+};
+
+struct ram_internal_data {
+ unsigned long start;
+ unsigned int size;
+};
+
+struct sf_internal_data {
+ struct spi_flash *dev;
+
+ /* RAW programming */
+ u64 start;
+ u64 size;
+ /* for sf/ubi use */
+ unsigned int ubi;
+};
+
+struct virt_internal_data {
+ int dev_num;
+};
+
+#define DFU_NAME_SIZE 32
+#ifndef CONFIG_SYS_DFU_DATA_BUF_SIZE
+#define CONFIG_SYS_DFU_DATA_BUF_SIZE (1024*1024*8) /* 8 MiB */
+#endif
+#ifndef CONFIG_SYS_DFU_MAX_FILE_SIZE
+#define CONFIG_SYS_DFU_MAX_FILE_SIZE CONFIG_SYS_DFU_DATA_BUF_SIZE
+#endif
+#ifndef DFU_DEFAULT_POLL_TIMEOUT
+#define DFU_DEFAULT_POLL_TIMEOUT 0
+#endif
+#ifndef DFU_MANIFEST_POLL_TIMEOUT
+#define DFU_MANIFEST_POLL_TIMEOUT DFU_DEFAULT_POLL_TIMEOUT
+#endif
+
+struct dfu_entity {
+ char name[DFU_NAME_SIZE];
+ int alt;
+ void *dev_private;
+ enum dfu_device_type dev_type;
+ enum dfu_layout layout;
+ unsigned long max_buf_size;
+
+ union {
+ struct mmc_internal_data mmc;
+ struct mtd_internal_data mtd;
+ struct nand_internal_data nand;
+ struct ram_internal_data ram;
+ struct sf_internal_data sf;
+ struct virt_internal_data virt;
+ } data;
+
+ int (*get_medium_size)(struct dfu_entity *dfu, u64 *size);
+
+ int (*read_medium)(struct dfu_entity *dfu,
+ u64 offset, void *buf, long *len);
+
+ int (*write_medium)(struct dfu_entity *dfu,
+ u64 offset, void *buf, long *len);
+
+ int (*flush_medium)(struct dfu_entity *dfu);
+ unsigned int (*poll_timeout)(struct dfu_entity *dfu);
+
+ void (*free_entity)(struct dfu_entity *dfu);
+
+ struct list_head list;
+
+ /* on the fly state */
+ u32 crc;
+ u64 offset;
+ int i_blk_seq_num;
+ u8 *i_buf;
+ u8 *i_buf_start;
+ u8 *i_buf_end;
+ u64 r_left;
+ long b_left;
+
+ u32 bad_skip; /* for nand use */
+
+ unsigned int inited:1;
+};
+
+struct list_head;
+extern struct list_head dfu_list;
+
+#ifdef CONFIG_SET_DFU_ALT_INFO
+/**
+ * set_dfu_alt_info() - set dfu_alt_info environment variable
+ *
+ * If CONFIG_SET_DFU_ALT_INFO=y, this board specific function is called to set
+ * environment variable dfu_alt_info.
+ *
+ * @interface: dfu interface, e.g. "mmc" or "nand"
+ * @devstr: device number as string
+ */
+void set_dfu_alt_info(char *interface, char *devstr);
+#endif
+
+/**
+ * dfu_alt_init() - initialize buffer for dfu entities
+ *
+ * @num: number of entities
+ * @dfu: on return allocated buffer
+ * Return: 0 on success
+ */
+int dfu_alt_init(int num, struct dfu_entity **dfu);
+
+/**
+ * dfu_alt_add() - add alternate to dfu entity buffer
+ *
+ * @dfu: dfu entity
+ * @interface: dfu interface, e.g. "mmc" or "nand"
+ * @devstr: device number as string
+ * @s: string description of alternate
+ * Return: 0 on success
+ */
+int dfu_alt_add(struct dfu_entity *dfu, char *interface, char *devstr, char *s);
+
+/**
+ * dfu_config_entities() - initialize dfu entitities from envirionment
+ *
+ * Initialize the list of dfu entities from environment variable dfu_alt_info.
+ * The list must be freed by calling dfu_free_entities(). This function bypasses
+ * set_dfu_alt_info(). So typically you should use dfu_init_env_entities()
+ * instead.
+ *
+ * See function :c:func:`dfu_free_entities`
+ * See function :c:func:`dfu_init_env_entities`
+ *
+ * @s: string with alternates
+ * @interface: interface, e.g. "mmc" or "nand"
+ * @devstr: device number as string
+ * Return: 0 on success, a negative error code otherwise
+ */
+int dfu_config_entities(char *s, char *interface, char *devstr);
+
+/**
+ * dfu_free_entities() - free the list of dfu entities
+ *
+ * Free the internal list of dfu entities.
+ *
+ * See function :c:func:`dfu_init_env_entities`
+ */
+void dfu_free_entities(void);
+
+/**
+ * dfu_show_entities() - print DFU alt settings list
+ */
+void dfu_show_entities(void);
+
+/**
+ * dfu_get_alt_number() - get number of alternates
+ *
+ * Return: number of alternates in the dfu entities list
+ */
+int dfu_get_alt_number(void);
+
+/**
+ * dfu_get_dev_type() - get string representation for dfu device type
+ *
+ * @type: device type
+ * Return: string representation for device type
+ */
+const char *dfu_get_dev_type(enum dfu_device_type type);
+
+/**
+ * dfu_get_layout() - get string describing layout
+ *
+ * Internally layouts are represented by enum dfu_device_type values. This
+ * function translates an enum value to a human readable string, e.g. DFU_FS_FAT
+ * is translated to "FAT".
+ *
+ * @layout: layout
+ * Result: string representation for the layout
+ */
+const char *dfu_get_layout(enum dfu_layout layout);
+
+/**
+ * dfu_get_entity() - get dfu entity for an alternate id
+ *
+ * @alt: alternate id
+ * Return: dfu entity
+ */
+struct dfu_entity *dfu_get_entity(int alt);
+
+char *dfu_extract_token(char** e, int *n);
+
+/**
+ * dfu_get_alt() - get alternate id for filename
+ *
+ * Environment variable dfu_alt_info defines the write destinations (alternates)
+ * for different filenames. This function get the index of the alternate for
+ * a filename. If an absolute filename is provided (starting with '/'), the
+ * directory path is ignored.
+ *
+ * @name: filename
+ * Return: id of the alternate or negative error number (-ENODEV)
+ */
+int dfu_get_alt(char *name);
+
+/**
+ * dfu_init_env_entities() - initialize dfu entitities from envirionment
+ *
+ * Initialize the list of dfu entities from environment variable dfu_alt_info.
+ * The list must be freed by calling dfu_free_entities().
+ * @interface and @devstr are used to select the relevant set of alternates
+ * from environment variable dfu_alt_info.
+ *
+ * If environment variable dfu_alt_info specifies the interface and the device,
+ * use NULL for @interface and @devstr.
+ *
+ * See function :c:func:`dfu_free_entities`
+ *
+ * @interface: interface, e.g. "mmc" or "nand"
+ * @devstr: device number as string
+ * Return: 0 on success, a negative error code otherwise
+ */
+int dfu_init_env_entities(char *interface, char *devstr);
+
+unsigned char *dfu_get_buf(struct dfu_entity *dfu);
+unsigned char *dfu_free_buf(void);
+unsigned long dfu_get_buf_size(void);
+bool dfu_usb_get_reset(void);
+
+#ifdef CONFIG_DFU_TIMEOUT
+unsigned long dfu_get_timeout(void);
+void dfu_set_timeout(unsigned long);
+#endif
+
+/**
+ * dfu_read() - read from dfu entity
+ *
+ * The block sequence number @blk_seq_num is a 16 bit counter that must be
+ * incremented with each call for the same dfu entity @de.
+ *
+ * @de: dfu entity
+ * @buf: buffer
+ * @size: size of buffer
+ * @blk_seq_num: block sequence number
+ * Return: 0 for success, -1 for error
+ */
+int dfu_read(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
+
+/**
+ * dfu_write() - write to dfu entity
+ *
+ * Write the contents of a buffer @buf to the dfu entity @de. After writing
+ * the last block call dfu_flush(). If a file is already loaded completely
+ * into memory it is preferable to use dfu_write_from_mem_addr() which takes
+ * care of blockwise transfer and flushing.
+ *
+ * The block sequence number @blk_seq_num is a 16 bit counter that must be
+ * incremented with each call for the same dfu entity @de.
+ *
+ * See function :c:func:`dfu_flush`
+ * See function :c:func:`dfu_write_from_mem_addr`
+ *
+ * @de: dfu entity
+ * @buf: buffer
+ * @size: size of buffer
+ * @blk_seq_num: block sequence number
+ * Return: 0 for success, -1 for error
+ */
+int dfu_write(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
+
+/**
+ * dfu_flush() - flush to dfu entity
+ *
+ * This function has to be called after writing the last block to the dfu
+ * entity @de.
+ *
+ * The block sequence number @blk_seq_num is a 16 bit counter that must be
+ * incremented with each call for the same dfu entity @de.
+ *
+ * See function :c:func:`dfu_write`
+ *
+ * @de: dfu entity
+ * @buf: ignored
+ * @size: ignored
+ * @blk_seq_num: block sequence number of last write - ignored
+ * Return: 0 for success, -1 for error
+ */
+int dfu_flush(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
+
+/**
+ * dfu_initiated_callback() - weak callback called on DFU transaction start
+ *
+ * It is a callback function called by DFU stack when a DFU transaction is
+ * initiated. This function allows to manage some board specific behavior on
+ * DFU targets.
+ *
+ * @dfu: pointer to the dfu_entity, which should be initialized
+ */
+void dfu_initiated_callback(struct dfu_entity *dfu);
+
+/**
+ * dfu_flush_callback() - weak callback called at the end of the DFU write
+ *
+ * It is a callback function called by DFU stack after DFU manifestation.
+ * This function allows to manage some board specific behavior on DFU targets
+ *
+ * @dfu: pointer to the dfu_entity, which should be flushed
+ */
+void dfu_flush_callback(struct dfu_entity *dfu);
+
+int dfu_transaction_initiate(struct dfu_entity *dfu, bool read);
+void dfu_transaction_cleanup(struct dfu_entity *dfu);
+
+/*
+ * dfu_defer_flush - pointer to store dfu_entity for deferred flashing.
+ * It should be NULL when not used.
+ */
+extern struct dfu_entity *dfu_defer_flush;
+
+/**
+ * dfu_get_defer_flush() - get current value of dfu_defer_flush pointer
+ *
+ * Return: value of the dfu_defer_flush pointer
+ */
+static inline struct dfu_entity *dfu_get_defer_flush(void)
+{
+ return dfu_defer_flush;
+}
+
+/**
+ * dfu_set_defer_flush() - set the dfu_defer_flush pointer
+ *
+ * @dfu: pointer to the dfu_entity, which should be written
+ */
+static inline void dfu_set_defer_flush(struct dfu_entity *dfu)
+{
+ dfu_defer_flush = dfu;
+}
+
+/**
+ * dfu_write_from_mem_addr() - write data from memory to DFU managed medium
+ *
+ * This function adds support for writing data starting from fixed memory
+ * address (like $loadaddr) to dfu managed medium (e.g. NAND, MMC, file system)
+ *
+ * @dfu: dfu entity to which we want to store data
+ * @buf: fixed memory address from where data starts
+ * @size: number of bytes to write
+ *
+ * Return: 0 on success, other value on failure
+ */
+int dfu_write_from_mem_addr(struct dfu_entity *dfu, void *buf, int size);
+
+/* Device specific */
+#if CONFIG_IS_ENABLED(DFU_MMC)
+extern int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *devstr, char *s);
+#else
+static inline int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *devstr,
+ char *s)
+{
+ puts("MMC support not available!\n");
+ return -1;
+}
+#endif
+
+#if CONFIG_IS_ENABLED(DFU_NAND)
+extern int dfu_fill_entity_nand(struct dfu_entity *dfu, char *devstr, char *s);
+#else
+static inline int dfu_fill_entity_nand(struct dfu_entity *dfu, char *devstr,
+ char *s)
+{
+ puts("NAND support not available!\n");
+ return -1;
+}
+#endif
+
+#if CONFIG_IS_ENABLED(DFU_RAM)
+extern int dfu_fill_entity_ram(struct dfu_entity *dfu, char *devstr, char *s);
+#else
+static inline int dfu_fill_entity_ram(struct dfu_entity *dfu, char *devstr,
+ char *s)
+{
+ puts("RAM support not available!\n");
+ return -1;
+}
+#endif
+
+#if CONFIG_IS_ENABLED(DFU_SF)
+extern int dfu_fill_entity_sf(struct dfu_entity *dfu, char *devstr, char *s);
+#else
+static inline int dfu_fill_entity_sf(struct dfu_entity *dfu, char *devstr,
+ char *s)
+{
+ puts("SF support not available!\n");
+ return -1;
+}
+#endif
+
+#if CONFIG_IS_ENABLED(DFU_MTD)
+int dfu_fill_entity_mtd(struct dfu_entity *dfu, char *devstr, char *s);
+#else
+static inline int dfu_fill_entity_mtd(struct dfu_entity *dfu, char *devstr,
+ char *s)
+{
+ puts("MTD support not available!\n");
+ return -1;
+}
+#endif
+
+#ifdef CONFIG_DFU_VIRT
+int dfu_fill_entity_virt(struct dfu_entity *dfu, char *devstr, char *s);
+int dfu_write_medium_virt(struct dfu_entity *dfu, u64 offset,
+ void *buf, long *len);
+int dfu_get_medium_size_virt(struct dfu_entity *dfu, u64 *size);
+int dfu_read_medium_virt(struct dfu_entity *dfu, u64 offset,
+ void *buf, long *len);
+#else
+static inline int dfu_fill_entity_virt(struct dfu_entity *dfu, char *devstr,
+ char *s)
+{
+ puts("VIRT support not available!\n");
+ return -1;
+}
+#endif
+
+extern bool dfu_reinit_needed;
+
+#if CONFIG_IS_ENABLED(DFU_WRITE_ALT)
+/**
+ * dfu_write_by_name() - write data to DFU medium
+ * @dfu_entity_name: Name of DFU entity to write
+ * @addr: Address of data buffer to write
+ * @len: Number of bytes
+ * @interface: Destination DFU medium (e.g. "mmc")
+ * @devstring: Instance number of destination DFU medium (e.g. "1")
+ *
+ * This function is storing data received on DFU supported medium which
+ * is specified by @dfu_entity_name.
+ *
+ * Return: 0 - on success, error code - otherwise
+ */
+int dfu_write_by_name(char *dfu_entity_name, void *addr,
+ unsigned int len, char *interface, char *devstring);
+
+/**
+ * dfu_write_by_alt() - write data to DFU medium
+ * @dfu_alt_num: DFU alt setting number
+ * @addr: Address of data buffer to write
+ * @len: Number of bytes
+ * @interface: Destination DFU medium (e.g. "mmc")
+ * @devstring: Instance number of destination DFU medium (e.g. "1")
+ *
+ * This function is storing data received on DFU supported medium which
+ * is specified by @dfu_alt_name.
+ *
+ * Return: 0 - on success, error code - otherwise
+ */
+int dfu_write_by_alt(int dfu_alt_num, void *addr, unsigned int len,
+ char *interface, char *devstring);
+#else
+static inline int dfu_write_by_name(char *dfu_entity_name, void *addr,
+ unsigned int len, char *interface,
+ char *devstring)
+{
+ puts("write support for DFU not available!\n");
+ return -ENOSYS;
+}
+
+static inline int dfu_write_by_alt(int dfu_alt_num, void *addr,
+ unsigned int len, char *interface,
+ char *devstring)
+{
+ puts("write support for DFU not available!\n");
+ return -ENOSYS;
+}
+#endif
+
+int dfu_add(struct usb_configuration *c);
+#endif /* __DFU_ENTITY_H_ */