123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604 |
- /* SPDX-License-Identifier: GPL-2.0+ */
- /*
- * Copyright (c) 2012 The Chromium OS Authors.
- * (C) Copyright 2002-2010
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- */
- #ifndef __ASM_GENERIC_GBL_DATA_H
- #define __ASM_GENERIC_GBL_DATA_H
- /*
- * The following data structure is placed in some memory which is
- * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
- * some locked parts of the data cache) to allow for a minimum set of
- * global variables during system initialization (until we have set
- * up the memory controller so that we can use RAM).
- *
- * Keep it *SMALL* and remember to set GENERATED_GBL_DATA_SIZE > sizeof(gd_t)
- *
- * Each architecture has its own private fields. For now all are private
- */
- #ifndef __ASSEMBLY__
- #include <fdtdec.h>
- #include <membuff.h>
- #include <linux/list.h>
- struct acpi_ctx;
- struct driver_rt;
- typedef struct global_data gd_t;
- /**
- * struct global_data - global data structure
- */
- struct global_data {
- /**
- * @bd: board information
- */
- struct bd_info *bd;
- /**
- * @flags: global data flags
- *
- * See &enum gd_flags
- */
- unsigned long flags;
- /**
- * @baudrate: baud rate of the serial interface
- */
- unsigned int baudrate;
- /**
- * @cpu_clk: CPU clock rate in Hz
- */
- unsigned long cpu_clk;
- /**
- * @bus_clk: platform clock rate in Hz
- */
- unsigned long bus_clk;
- /**
- * @pci_clk: PCI clock rate in Hz
- */
- /* We cannot bracket this with CONFIG_PCI due to mpc5xxx */
- unsigned long pci_clk;
- /**
- * @mem_clk: memory clock rate in Hz
- */
- unsigned long mem_clk;
- #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) || defined(CONFIG_DM_VIDEO)
- /**
- * @fb_base: base address of frame buffer memory
- */
- unsigned long fb_base;
- #endif
- #if defined(CONFIG_POST)
- /**
- * @post_log_word: active POST tests
- *
- * @post_log_word is a bit mask defining which POST tests are recorded
- * (see constants POST_*).
- */
- unsigned long post_log_word;
- /**
- * @post_log_res: POST results
- *
- * @post_log_res is a bit mask with the POST results. A bit with value 1
- * indicates successful execution.
- */
- unsigned long post_log_res;
- /**
- * @post_init_f_time: time in ms when post_init_f() started
- */
- unsigned long post_init_f_time;
- #endif
- #ifdef CONFIG_BOARD_TYPES
- /**
- * @board_type: board type
- *
- * If a U-Boot configuration supports multiple board types, the actual
- * board type may be stored in this field.
- */
- unsigned long board_type;
- #endif
- /**
- * @have_console: console is available
- *
- * A value of 1 indicates that serial_init() was called and a console
- * is available.
- * A value of 0 indicates that console input and output drivers shall
- * not be called.
- */
- unsigned long have_console;
- #if CONFIG_IS_ENABLED(PRE_CONSOLE_BUFFER)
- /**
- * @precon_buf_idx: pre-console buffer index
- *
- * @precon_buf_idx indicates the current position of the buffer used to
- * collect output before the console becomes available
- */
- unsigned long precon_buf_idx;
- #endif
- /**
- * @env_addr: address of environment structure
- *
- * @env_addr contains the address of the structure holding the
- * environment variables.
- */
- unsigned long env_addr;
- /**
- * @env_valid: environment is valid
- *
- * See &enum env_valid
- */
- unsigned long env_valid;
- /**
- * @env_has_init: bit mask indicating environment locations
- *
- * &enum env_location defines which bit relates to which location
- */
- unsigned long env_has_init;
- /**
- * @env_load_prio: priority of the loaded environment
- */
- int env_load_prio;
- /**
- * @ram_base: base address of RAM used by U-Boot
- */
- unsigned long ram_base;
- /**
- * @ram_top: top address of RAM used by U-Boot
- */
- phys_addr_t ram_top;
- /**
- * @relocaddr: start address of U-Boot in RAM
- *
- * After relocation this field indicates the address to which U-Boot
- * has been relocated. It can be displayed using the bdinfo command.
- * Its value is needed to display the source code when debugging with
- * GDB using the 'add-symbol-file u-boot <relocaddr>' command.
- */
- unsigned long relocaddr;
- /**
- * @ram_size: RAM size in bytes
- */
- phys_size_t ram_size;
- /**
- * @mon_len: monitor length in bytes
- */
- unsigned long mon_len;
- /**
- * @irq_sp: IRQ stack pointer
- */
- unsigned long irq_sp;
- /**
- * @start_addr_sp: initial stack pointer address
- */
- unsigned long start_addr_sp;
- /**
- * @reloc_off: relocation offset
- */
- unsigned long reloc_off;
- /**
- * @new_gd: pointer to relocated global data
- */
- struct global_data *new_gd;
- #ifdef CONFIG_DM
- /**
- * @dm_flags: additional flags for Driver Model
- *
- * See &enum gd_dm_flags
- */
- unsigned long dm_flags;
- /**
- * @dm_root: root instance for Driver Model
- */
- struct udevice *dm_root;
- /**
- * @dm_root_f: pre-relocation root instance
- */
- struct udevice *dm_root_f;
- /**
- * @uclass_root_s:
- * head of core tree when uclasses are not in read-only memory.
- *
- * When uclasses are in read-only memory, @uclass_root_s is not used and
- * @uclass_root points to the root node generated by dtoc.
- */
- struct list_head uclass_root_s;
- /**
- * @uclass_root:
- * pointer to head of core tree, if uclasses are in read-only memory and
- * cannot be adjusted to use @uclass_root as a list head.
- *
- * When not in read-only memory, @uclass_root_s is used to hold the
- * uclass root, and @uclass_root points to the address of
- * @uclass_root_s.
- */
- struct list_head *uclass_root;
- # if CONFIG_IS_ENABLED(OF_PLATDATA)
- /** @dm_driver_rt: Dynamic info about the driver */
- struct driver_rt *dm_driver_rt;
- # endif
- #endif
- #ifdef CONFIG_TIMER
- /**
- * @timer: timer instance for Driver Model
- */
- struct udevice *timer;
- #endif
- /**
- * @fdt_blob: U-Boot's own device tree, NULL if none
- */
- const void *fdt_blob;
- /**
- * @new_fdt: relocated device tree
- */
- void *new_fdt;
- /**
- * @fdt_size: space reserved for relocated device space
- */
- unsigned long fdt_size;
- #if CONFIG_IS_ENABLED(OF_LIVE)
- /**
- * @of_root: root node of the live tree
- */
- struct device_node *of_root;
- #endif
- #if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
- /**
- * @multi_dtb_fit: pointer to uncompressed multi-dtb FIT image
- */
- const void *multi_dtb_fit;
- #endif
- /**
- * @jt: jump table
- *
- * The jump table contains pointers to exported functions. A pointer to
- * the jump table is passed to standalone applications.
- */
- struct jt_funcs *jt;
- /**
- * @env_buf: buffer for env_get() before reloc
- */
- char env_buf[32];
- #ifdef CONFIG_TRACE
- /**
- * @trace_buff: trace buffer
- *
- * When tracing function in U-Boot this field points to the buffer
- * recording the function calls.
- */
- void *trace_buff;
- #endif
- #if defined(CONFIG_SYS_I2C)
- /**
- * @cur_i2c_bus: currently used I2C bus
- */
- int cur_i2c_bus;
- #endif
- /**
- * @timebase_h: high 32 bits of timer
- */
- unsigned int timebase_h;
- /**
- * @timebase_l: low 32 bits of timer
- */
- unsigned int timebase_l;
- #if CONFIG_VAL(SYS_MALLOC_F_LEN)
- /**
- * @malloc_base: base address of early malloc()
- */
- unsigned long malloc_base;
- /**
- * @malloc_limit: limit address of early malloc()
- */
- unsigned long malloc_limit;
- /**
- * @malloc_ptr: current address of early malloc()
- */
- unsigned long malloc_ptr;
- #endif
- #ifdef CONFIG_PCI
- /**
- * @hose: PCI hose for early use
- */
- struct pci_controller *hose;
- /**
- * @pci_ram_top: top of region accessible to PCI
- */
- phys_addr_t pci_ram_top;
- #endif
- #ifdef CONFIG_PCI_BOOTDELAY
- /**
- * @pcidelay_done: delay time before scanning of PIC hose expired
- *
- * If CONFIG_PCI_BOOTDELAY=y, pci_hose_scan() waits for the number of
- * milliseconds defined by environment variable pcidelay before
- * scanning. Once this delay has expired the flag @pcidelay_done
- * is set to 1.
- */
- int pcidelay_done;
- #endif
- /**
- * @cur_serial_dev: current serial device
- */
- struct udevice *cur_serial_dev;
- /**
- * @arch: architecture-specific data
- */
- struct arch_global_data arch;
- #ifdef CONFIG_CONSOLE_RECORD
- /**
- * @console_out: output buffer for console recording
- *
- * This buffer is used to collect output during console recording.
- */
- struct membuff console_out;
- /**
- * @console_in: input buffer for console recording
- *
- * If console recording is activated, this buffer can be used to
- * emulate input.
- */
- struct membuff console_in;
- #endif
- #ifdef CONFIG_DM_VIDEO
- /**
- * @video_top: top of video frame buffer area
- */
- ulong video_top;
- /**
- * @video_bottom: bottom of video frame buffer area
- */
- ulong video_bottom;
- #endif
- #ifdef CONFIG_BOOTSTAGE
- /**
- * @bootstage: boot stage information
- */
- struct bootstage_data *bootstage;
- /**
- * @new_bootstage: relocated boot stage information
- */
- struct bootstage_data *new_bootstage;
- #endif
- #ifdef CONFIG_LOG
- /**
- * @log_drop_count: number of dropped log messages
- *
- * This counter is incremented for each log message which can not
- * be processed because logging is not yet available as signaled by
- * flag %GD_FLG_LOG_READY in @flags.
- */
- int log_drop_count;
- /**
- * @default_log_level: default logging level
- *
- * For logging devices without filters @default_log_level defines the
- * logging level, cf. &enum log_level_t.
- */
- int default_log_level;
- /**
- * @log_head: list of logging devices
- */
- struct list_head log_head;
- /**
- * @log_fmt: bit mask for logging format
- *
- * The @log_fmt bit mask selects the fields to be shown in log messages.
- * &enum log_fmt defines the bits of the bit mask.
- */
- int log_fmt;
- /**
- * @processing_msg: a log message is being processed
- *
- * This flag is used to suppress the creation of additional messages
- * while another message is being processed.
- */
- bool processing_msg;
- /**
- * @logc_prev: logging category of previous message
- *
- * This value is used as logging category for continuation messages.
- */
- int logc_prev;
- /**
- * @logl_prev: logging level of the previous message
- *
- * This value is used as logging level for continuation messages.
- */
- int logl_prev;
- /**
- * @log_cont: Previous log line did not finished wtih \n
- *
- * This allows for chained log messages on the same line
- */
- bool log_cont;
- #endif
- #if CONFIG_IS_ENABLED(BLOBLIST)
- /**
- * @bloblist: blob list information
- */
- struct bloblist_hdr *bloblist;
- /**
- * @new_bloblist: relocated blob list information
- */
- struct bloblist_hdr *new_bloblist;
- #endif
- #if CONFIG_IS_ENABLED(HANDOFF)
- /**
- * @spl_handoff: SPL hand-off information
- */
- struct spl_handoff *spl_handoff;
- #endif
- #if defined(CONFIG_TRANSLATION_OFFSET)
- /**
- * @translation_offset: optional translation offset
- *
- * See CONFIG_TRANSLATION_OFFSET.
- */
- fdt_addr_t translation_offset;
- #endif
- #if CONFIG_IS_ENABLED(WDT)
- /**
- * @watchdog_dev: watchdog device
- */
- struct udevice *watchdog_dev;
- #endif
- #ifdef CONFIG_GENERATE_ACPI_TABLE
- /**
- * @acpi_ctx: ACPI context pointer
- */
- struct acpi_ctx *acpi_ctx;
- #endif
- #if CONFIG_IS_ENABLED(GENERATE_SMBIOS_TABLE)
- /**
- * @smbios_version: Points to SMBIOS type 0 version
- */
- char *smbios_version;
- #endif
- };
- /**
- * gd_board_type() - retrieve board type
- *
- * Return: global board type
- */
- #ifdef CONFIG_BOARD_TYPES
- #define gd_board_type() gd->board_type
- #else
- #define gd_board_type() 0
- #endif
- /* These macros help avoid #ifdefs in the code */
- #if CONFIG_IS_ENABLED(OF_LIVE)
- #define gd_of_root() gd->of_root
- #define gd_of_root_ptr() &gd->of_root
- #define gd_set_of_root(_root) gd->of_root = (_root)
- #else
- #define gd_of_root() NULL
- #define gd_of_root_ptr() NULL
- #define gd_set_of_root(_root)
- #endif
- #if CONFIG_IS_ENABLED(OF_PLATDATA)
- #define gd_set_dm_driver_rt(dyn) gd->dm_driver_rt = dyn
- #define gd_dm_driver_rt() gd->dm_driver_rt
- #else
- #define gd_set_dm_driver_rt(dyn)
- #define gd_dm_driver_rt() NULL
- #endif
- #ifdef CONFIG_GENERATE_ACPI_TABLE
- #define gd_acpi_ctx() gd->acpi_ctx
- #else
- #define gd_acpi_ctx() NULL
- #endif
- #if CONFIG_IS_ENABLED(DM)
- #define gd_size_cells_0() (gd->dm_flags & GD_DM_FLG_SIZE_CELLS_0)
- #else
- #define gd_size_cells_0() (0)
- #endif
- /**
- * enum gd_flags - global data flags
- *
- * See field flags of &struct global_data.
- */
- enum gd_flags {
- /**
- * @GD_FLG_RELOC: code was relocated to RAM
- */
- GD_FLG_RELOC = 0x00001,
- /**
- * @GD_FLG_DEVINIT: devices have been initialized
- */
- GD_FLG_DEVINIT = 0x00002,
- /**
- * @GD_FLG_SILENT: silent mode
- */
- GD_FLG_SILENT = 0x00004,
- /**
- * @GD_FLG_POSTFAIL: critical POST test failed
- */
- GD_FLG_POSTFAIL = 0x00008,
- /**
- * @GD_FLG_POSTSTOP: POST sequence aborted
- */
- GD_FLG_POSTSTOP = 0x00010,
- /**
- * @GD_FLG_LOGINIT: log Buffer has been initialized
- */
- GD_FLG_LOGINIT = 0x00020,
- /**
- * @GD_FLG_DISABLE_CONSOLE: disable console (in & out)
- */
- GD_FLG_DISABLE_CONSOLE = 0x00040,
- /**
- * @GD_FLG_ENV_READY: environment imported into hash table
- */
- GD_FLG_ENV_READY = 0x00080,
- /**
- * @GD_FLG_SERIAL_READY: pre-relocation serial console ready
- */
- GD_FLG_SERIAL_READY = 0x00100,
- /**
- * @GD_FLG_FULL_MALLOC_INIT: full malloc() is ready
- */
- GD_FLG_FULL_MALLOC_INIT = 0x00200,
- /**
- * @GD_FLG_SPL_INIT: spl_init() has been called
- */
- GD_FLG_SPL_INIT = 0x00400,
- /**
- * @GD_FLG_SKIP_RELOC: don't relocate
- */
- GD_FLG_SKIP_RELOC = 0x00800,
- /**
- * @GD_FLG_RECORD: record console
- */
- GD_FLG_RECORD = 0x01000,
- /**
- * @GD_FLG_ENV_DEFAULT: default variable flag
- */
- GD_FLG_ENV_DEFAULT = 0x02000,
- /**
- * @GD_FLG_SPL_EARLY_INIT: early SPL initialization is done
- */
- GD_FLG_SPL_EARLY_INIT = 0x04000,
- /**
- * @GD_FLG_LOG_READY: log system is ready for use
- */
- GD_FLG_LOG_READY = 0x08000,
- /**
- * @GD_FLG_WDT_READY: watchdog is ready for use
- */
- GD_FLG_WDT_READY = 0x10000,
- /**
- * @GD_FLG_SKIP_LL_INIT: don't perform low-level initialization
- */
- GD_FLG_SKIP_LL_INIT = 0x20000,
- /**
- * @GD_FLG_SMP_READY: SMP initialization is complete
- */
- GD_FLG_SMP_READY = 0x40000,
- };
- /**
- * enum gd_dm_flags - global data flags for Driver Model
- *
- * See field dm_flags of &struct global_data.
- */
- enum gd_dm_flags {
- /**
- * @GD_DM_FLG_SIZE_CELLS_0: Enable #size-cells=<0> translation
- */
- GD_DM_FLG_SIZE_CELLS_0 = 0x00001,
- };
- #endif /* __ASSEMBLY__ */
- #endif /* __ASM_GENERIC_GBL_DATA_H */
|