mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-25 14:10:43 +00:00
368fd56466
At present any ACPI tables created by prior-stage firmware are ignored. It is useful to be able to view these in U-Boot. Pick this up from the sysinfo tables and display it with the cbsysinfo command. This allows the 'acpi list' command to work when booting from coreboot. Adjust the global_data condition so that acpi_start is available even if table-generation is disabled. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com>
661 lines
15 KiB
C
661 lines
15 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) 2012 The Chromium OS Authors.
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* (C) Copyright 2002-2010
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*/
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#ifndef __ASM_GENERIC_GBL_DATA_H
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#define __ASM_GENERIC_GBL_DATA_H
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/*
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* The following data structure is placed in some memory which is
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* available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
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* some locked parts of the data cache) to allow for a minimum set of
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* global variables during system initialization (until we have set
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* up the memory controller so that we can use RAM).
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*
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* Keep it *SMALL* and remember to set GENERATED_GBL_DATA_SIZE > sizeof(gd_t)
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*
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* Each architecture has its own private fields. For now all are private
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*/
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#ifndef __ASSEMBLY__
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#include <cyclic.h>
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#include <event_internal.h>
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#include <fdtdec.h>
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#include <membuff.h>
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#include <linux/list.h>
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#include <linux/build_bug.h>
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#include <asm-offsets.h>
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struct acpi_ctx;
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struct driver_rt;
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typedef struct global_data gd_t;
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/**
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* struct global_data - global data structure
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*/
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struct global_data {
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/**
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* @bd: board information
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*/
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struct bd_info *bd;
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/**
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* @flags: global data flags
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*
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* See &enum gd_flags
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*/
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unsigned long flags;
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/**
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* @baudrate: baud rate of the serial interface
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*/
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unsigned int baudrate;
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/**
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* @cpu_clk: CPU clock rate in Hz
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*/
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unsigned long cpu_clk;
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/**
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* @bus_clk: platform clock rate in Hz
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*/
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unsigned long bus_clk;
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/**
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* @pci_clk: PCI clock rate in Hz
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*/
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/* We cannot bracket this with CONFIG_PCI due to mpc5xxx */
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unsigned long pci_clk;
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/**
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* @mem_clk: memory clock rate in Hz
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*/
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unsigned long mem_clk;
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#if CONFIG_IS_ENABLED(VIDEO)
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/**
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* @fb_base: base address of frame buffer memory
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*/
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unsigned long fb_base;
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#endif
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#if defined(CONFIG_POST)
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/**
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* @post_log_word: active POST tests
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*
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* @post_log_word is a bit mask defining which POST tests are recorded
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* (see constants POST_*).
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*/
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unsigned long post_log_word;
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/**
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* @post_log_res: POST results
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*
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* @post_log_res is a bit mask with the POST results. A bit with value 1
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* indicates successful execution.
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*/
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unsigned long post_log_res;
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/**
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* @post_init_f_time: time in ms when post_init_f() started
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*/
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unsigned long post_init_f_time;
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#endif
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#ifdef CONFIG_BOARD_TYPES
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/**
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* @board_type: board type
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*
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* If a U-Boot configuration supports multiple board types, the actual
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* board type may be stored in this field.
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*/
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unsigned long board_type;
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#endif
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/**
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* @have_console: console is available
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*
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* A value of 1 indicates that serial_init() was called and a console
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* is available.
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* A value of 0 indicates that console input and output drivers shall
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* not be called.
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*/
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unsigned long have_console;
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#if CONFIG_IS_ENABLED(PRE_CONSOLE_BUFFER)
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/**
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* @precon_buf_idx: pre-console buffer index
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*
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* @precon_buf_idx indicates the current position of the
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* buffer used to collect output before the console becomes
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* available. When negative, the pre-console buffer is
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* temporarily disabled (used when the pre-console buffer is
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* being written out, to prevent adding its contents to
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* itself).
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*/
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long precon_buf_idx;
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#endif
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/**
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* @env_addr: address of environment structure
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*
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* @env_addr contains the address of the structure holding the
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* environment variables.
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*/
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unsigned long env_addr;
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/**
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* @env_valid: environment is valid
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*
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* See &enum env_valid
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*/
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unsigned long env_valid;
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/**
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* @env_has_init: bit mask indicating environment locations
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*
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* &enum env_location defines which bit relates to which location
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*/
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unsigned long env_has_init;
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/**
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* @env_load_prio: priority of the loaded environment
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*/
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int env_load_prio;
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/**
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* @ram_base: base address of RAM used by U-Boot
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*/
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unsigned long ram_base;
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/**
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* @ram_top: top address of RAM used by U-Boot
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*/
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phys_addr_t ram_top;
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/**
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* @relocaddr: start address of U-Boot in RAM
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*
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* After relocation this field indicates the address to which U-Boot
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* has been relocated. It can be displayed using the bdinfo command.
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* Its value is needed to display the source code when debugging with
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* GDB using the 'add-symbol-file u-boot <relocaddr>' command.
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*/
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unsigned long relocaddr;
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/**
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* @ram_size: RAM size in bytes
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*/
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phys_size_t ram_size;
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/**
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* @mon_len: monitor length in bytes
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*/
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unsigned long mon_len;
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/**
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* @irq_sp: IRQ stack pointer
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*/
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unsigned long irq_sp;
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/**
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* @start_addr_sp: initial stack pointer address
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*/
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unsigned long start_addr_sp;
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/**
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* @reloc_off: relocation offset
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*/
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unsigned long reloc_off;
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/**
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* @new_gd: pointer to relocated global data
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*/
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struct global_data *new_gd;
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#ifdef CONFIG_DM
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/**
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* @dm_root: root instance for Driver Model
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*/
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struct udevice *dm_root;
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/**
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* @dm_root_f: pre-relocation root instance
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*/
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struct udevice *dm_root_f;
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/**
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* @uclass_root_s:
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* head of core tree when uclasses are not in read-only memory.
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*
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* When uclasses are in read-only memory, @uclass_root_s is not used and
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* @uclass_root points to the root node generated by dtoc.
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*/
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struct list_head uclass_root_s;
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/**
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* @uclass_root:
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* pointer to head of core tree, if uclasses are in read-only memory and
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* cannot be adjusted to use @uclass_root as a list head.
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*
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* When not in read-only memory, @uclass_root_s is used to hold the
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* uclass root, and @uclass_root points to the address of
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* @uclass_root_s.
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*/
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struct list_head *uclass_root;
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# if CONFIG_IS_ENABLED(OF_PLATDATA_DRIVER_RT)
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/** @dm_driver_rt: Dynamic info about the driver */
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struct driver_rt *dm_driver_rt;
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# endif
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#if CONFIG_IS_ENABLED(OF_PLATDATA_RT)
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/** @dm_udevice_rt: Dynamic info about the udevice */
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struct udevice_rt *dm_udevice_rt;
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/**
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* @dm_priv_base: Base address of the priv/plat region used when
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* udevices and uclasses are in read-only memory. This is NULL if not
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* used
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*/
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void *dm_priv_base;
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# endif
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#endif
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#ifdef CONFIG_TIMER
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/**
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* @timer: timer instance for Driver Model
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*/
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struct udevice *timer;
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#endif
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/**
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* @fdt_blob: U-Boot's own device tree, NULL if none
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*/
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const void *fdt_blob;
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/**
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* @new_fdt: relocated device tree
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*/
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void *new_fdt;
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/**
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* @fdt_size: space reserved for relocated device space
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*/
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unsigned long fdt_size;
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/**
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* @fdt_src: Source of FDT
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*/
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enum fdt_source_t fdt_src;
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#if CONFIG_IS_ENABLED(OF_LIVE)
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/**
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* @of_root: root node of the live tree
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*/
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struct device_node *of_root;
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#endif
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#if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
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/**
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* @multi_dtb_fit: pointer to uncompressed multi-dtb FIT image
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*/
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const void *multi_dtb_fit;
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#endif
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/**
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* @jt: jump table
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*
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* The jump table contains pointers to exported functions. A pointer to
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* the jump table is passed to standalone applications.
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*/
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struct jt_funcs *jt;
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/**
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* @env_buf: buffer for env_get() before reloc
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*/
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char env_buf[32];
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#ifdef CONFIG_TRACE
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/**
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* @trace_buff: trace buffer
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*
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* When tracing function in U-Boot this field points to the buffer
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* recording the function calls.
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*/
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void *trace_buff;
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#endif
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#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY)
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/**
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* @cur_i2c_bus: currently used I2C bus
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*/
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int cur_i2c_bus;
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#endif
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/**
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* @timebase_h: high 32 bits of timer
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*/
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unsigned int timebase_h;
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/**
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* @timebase_l: low 32 bits of timer
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*/
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unsigned int timebase_l;
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#if CONFIG_VAL(SYS_MALLOC_F_LEN)
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/**
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* @malloc_base: base address of early malloc()
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*/
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unsigned long malloc_base;
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/**
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* @malloc_limit: limit address of early malloc()
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*/
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unsigned long malloc_limit;
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/**
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* @malloc_ptr: current address of early malloc()
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*/
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unsigned long malloc_ptr;
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#endif
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#ifdef CONFIG_PCI
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/**
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* @hose: PCI hose for early use
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*/
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struct pci_controller *hose;
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/**
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* @pci_ram_top: top of region accessible to PCI
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*/
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phys_addr_t pci_ram_top;
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#endif
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#ifdef CONFIG_PCI_BOOTDELAY
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/**
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* @pcidelay_done: delay time before scanning of PIC hose expired
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*
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* If CONFIG_PCI_BOOTDELAY=y, pci_hose_scan() waits for the number of
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* milliseconds defined by environment variable pcidelay before
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* scanning. Once this delay has expired the flag @pcidelay_done
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* is set to 1.
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*/
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int pcidelay_done;
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#endif
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/**
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* @cur_serial_dev: current serial device
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*/
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struct udevice *cur_serial_dev;
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/**
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* @arch: architecture-specific data
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*/
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struct arch_global_data arch;
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#ifdef CONFIG_CONSOLE_RECORD
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/**
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* @console_out: output buffer for console recording
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*
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* This buffer is used to collect output during console recording.
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*/
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struct membuff console_out;
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/**
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* @console_in: input buffer for console recording
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*
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* If console recording is activated, this buffer can be used to
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* emulate input.
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*/
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struct membuff console_in;
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#endif
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#if CONFIG_IS_ENABLED(VIDEO)
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/**
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* @video_top: top of video frame buffer area
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*/
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ulong video_top;
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/**
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* @video_bottom: bottom of video frame buffer area
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*/
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ulong video_bottom;
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#endif
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#ifdef CONFIG_BOOTSTAGE
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/**
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* @bootstage: boot stage information
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*/
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struct bootstage_data *bootstage;
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/**
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* @new_bootstage: relocated boot stage information
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*/
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struct bootstage_data *new_bootstage;
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#endif
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#ifdef CONFIG_LOG
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/**
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* @log_drop_count: number of dropped log messages
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*
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* This counter is incremented for each log message which can not
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* be processed because logging is not yet available as signaled by
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* flag %GD_FLG_LOG_READY in @flags.
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*/
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int log_drop_count;
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/**
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* @default_log_level: default logging level
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*
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* For logging devices without filters @default_log_level defines the
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* logging level, cf. &enum log_level_t.
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*/
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int default_log_level;
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/**
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* @log_head: list of logging devices
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*/
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struct list_head log_head;
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/**
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* @log_fmt: bit mask for logging format
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*
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* The @log_fmt bit mask selects the fields to be shown in log messages.
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* &enum log_fmt defines the bits of the bit mask.
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*/
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int log_fmt;
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/**
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* @processing_msg: a log message is being processed
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*
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* This flag is used to suppress the creation of additional messages
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* while another message is being processed.
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*/
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bool processing_msg;
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/**
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* @logc_prev: logging category of previous message
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*
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* This value is used as logging category for continuation messages.
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*/
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int logc_prev;
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/**
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* @logl_prev: logging level of the previous message
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*
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* This value is used as logging level for continuation messages.
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*/
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int logl_prev;
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/**
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* @log_cont: Previous log line did not finished wtih \n
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*
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* This allows for chained log messages on the same line
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*/
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bool log_cont;
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#endif
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#if CONFIG_IS_ENABLED(BLOBLIST)
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/**
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* @bloblist: blob list information
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*/
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struct bloblist_hdr *bloblist;
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/**
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* @new_bloblist: relocated blob list information
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*/
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struct bloblist_hdr *new_bloblist;
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#endif
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#if CONFIG_IS_ENABLED(HANDOFF)
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/**
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* @spl_handoff: SPL hand-off information
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*/
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struct spl_handoff *spl_handoff;
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#endif
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#if defined(CONFIG_TRANSLATION_OFFSET)
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/**
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* @translation_offset: optional translation offset
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*
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* See CONFIG_TRANSLATION_OFFSET.
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*/
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fdt_addr_t translation_offset;
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#endif
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#ifdef CONFIG_ACPI
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/**
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* @acpi_ctx: ACPI context pointer
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*/
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struct acpi_ctx *acpi_ctx;
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/**
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* @acpi_start: Start address of ACPI tables
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*/
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ulong acpi_start;
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#endif
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#if CONFIG_IS_ENABLED(GENERATE_SMBIOS_TABLE)
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/**
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* @smbios_version: Points to SMBIOS type 0 version
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*/
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char *smbios_version;
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#endif
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#if CONFIG_IS_ENABLED(EVENT)
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/**
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* @event_state: Points to the current state of events
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*/
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struct event_state event_state;
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#endif
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#ifdef CONFIG_CYCLIC
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/**
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* @cyclic_list: list of registered cyclic functions
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*/
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struct hlist_head cyclic_list;
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#endif
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/**
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* @dmtag_list: List of DM tags
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*/
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struct list_head dmtag_list;
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};
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#ifndef DO_DEPS_ONLY
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static_assert(sizeof(struct global_data) == GD_SIZE);
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#endif
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/**
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* gd_board_type() - retrieve board type
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*
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* Return: global board type
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*/
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#ifdef CONFIG_BOARD_TYPES
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#define gd_board_type() gd->board_type
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#else
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#define gd_board_type() 0
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#endif
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/* These macros help avoid #ifdefs in the code */
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#if CONFIG_IS_ENABLED(OF_LIVE)
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#define gd_of_root() gd->of_root
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#define gd_of_root_ptr() &gd->of_root
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#define gd_set_of_root(_root) gd->of_root = (_root)
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#else
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#define gd_of_root() NULL
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#define gd_of_root_ptr() NULL
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#define gd_set_of_root(_root)
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#endif
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#if CONFIG_IS_ENABLED(OF_PLATDATA_DRIVER_RT)
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#define gd_set_dm_driver_rt(dyn) gd->dm_driver_rt = dyn
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#define gd_dm_driver_rt() gd->dm_driver_rt
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#else
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#define gd_set_dm_driver_rt(dyn)
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#define gd_dm_driver_rt() NULL
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#endif
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#if CONFIG_IS_ENABLED(OF_PLATDATA_RT)
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#define gd_set_dm_udevice_rt(dyn) gd->dm_udevice_rt = dyn
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#define gd_dm_udevice_rt() gd->dm_udevice_rt
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#define gd_set_dm_priv_base(dyn) gd->dm_priv_base = dyn
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#define gd_dm_priv_base() gd->dm_priv_base
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#else
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#define gd_set_dm_udevice_rt(dyn)
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#define gd_dm_udevice_rt() NULL
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#define gd_set_dm_priv_base(dyn)
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#define gd_dm_priv_base() NULL
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#endif
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#ifdef CONFIG_ACPI
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#define gd_acpi_ctx() gd->acpi_ctx
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#define gd_acpi_start() gd->acpi_start
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#define gd_set_acpi_start(addr) gd->acpi_start = addr
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#else
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#define gd_acpi_ctx() NULL
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#define gd_acpi_start() 0UL
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#define gd_set_acpi_start(addr)
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#endif
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#if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
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#define gd_multi_dtb_fit() gd->multi_dtb_fit
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#define gd_set_multi_dtb_fit(_dtb) gd->multi_dtb_fit = _dtb
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#else
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#define gd_multi_dtb_fit() NULL
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#define gd_set_multi_dtb_fit(_dtb)
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#endif
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#if CONFIG_IS_ENABLED(EVENT_DYNAMIC)
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#define gd_event_state() ((struct event_state *)&gd->event_state)
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#else
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#define gd_event_state() NULL
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#endif
|
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|
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/**
|
|
* enum gd_flags - global data flags
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*
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* See field flags of &struct global_data.
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|
*/
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enum gd_flags {
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/**
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|
* @GD_FLG_RELOC: code was relocated to RAM
|
|
*/
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GD_FLG_RELOC = 0x00001,
|
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/**
|
|
* @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_RECORD_OVF: record console overflow
|
|
*/
|
|
GD_FLG_RECORD_OVF = 0x02000,
|
|
/**
|
|
* @GD_FLG_ENV_DEFAULT: default variable flag
|
|
*/
|
|
GD_FLG_ENV_DEFAULT = 0x04000,
|
|
/**
|
|
* @GD_FLG_SPL_EARLY_INIT: early SPL initialization is done
|
|
*/
|
|
GD_FLG_SPL_EARLY_INIT = 0x08000,
|
|
/**
|
|
* @GD_FLG_LOG_READY: log system is ready for use
|
|
*/
|
|
GD_FLG_LOG_READY = 0x10000,
|
|
/**
|
|
* @GD_FLG_CYCLIC_RUNNING: cyclic_run is in progress
|
|
*/
|
|
GD_FLG_CYCLIC_RUNNING = 0x20000,
|
|
/**
|
|
* @GD_FLG_SKIP_LL_INIT: don't perform low-level initialization
|
|
*/
|
|
GD_FLG_SKIP_LL_INIT = 0x40000,
|
|
/**
|
|
* @GD_FLG_SMP_READY: SMP initialization is complete
|
|
*/
|
|
GD_FLG_SMP_READY = 0x80000,
|
|
/**
|
|
* @GD_FLG_FDT_CHANGED: Device tree change has been detected by tests
|
|
*/
|
|
GD_FLG_FDT_CHANGED = 0x100000,
|
|
/**
|
|
* @GD_FLG_OF_TAG_MIGRATE: Device tree has old u-boot,dm- tags
|
|
*/
|
|
GD_FLG_OF_TAG_MIGRATE = 0x200000,
|
|
};
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* __ASM_GENERIC_GBL_DATA_H */
|