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/* 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>
typedef struct global_data {
struct bd_info *bd;
unsigned long flags;
unsigned int baudrate;
unsigned long cpu_clk; /* CPU clock in Hz! */
unsigned long bus_clk;
/* We cannot bracket this with CONFIG_PCI due to mpc5xxx */
unsigned long pci_clk;
unsigned long mem_clk;
#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) || defined(CONFIG_DM_VIDEO)
unsigned long fb_base; /* Base address of framebuffer mem */
#endif
#if defined(CONFIG_POST)
unsigned long post_log_word; /* Record POST activities */
unsigned long post_log_res; /* success of POST test */
unsigned long post_init_f_time; /* When post_init_f started */
#endif
#ifdef CONFIG_BOARD_TYPES
unsigned long board_type;
#endif
unsigned long have_console; /* serial_init() was called */
#if CONFIG_IS_ENABLED(PRE_CONSOLE_BUFFER)
unsigned long precon_buf_idx; /* Pre-Console buffer index */
#endif
unsigned long env_addr; /* Address of Environment struct */
unsigned long env_valid; /* Environment valid? enum env_valid */
unsigned long env_has_init; /* Bitmask of boolean of struct env_location offsets */
int env_load_prio; /* Priority of the loaded environment */
unsigned long ram_base; /* Base address of RAM used by U-Boot */
unsigned long ram_top; /* Top address of RAM used by U-Boot */
unsigned long relocaddr; /* Start address of U-Boot in RAM */
phys_size_t ram_size; /* RAM size */
unsigned long mon_len; /* monitor len */
unsigned long irq_sp; /* irq stack pointer */
unsigned long start_addr_sp; /* start_addr_stackpointer */
unsigned long reloc_off;
struct global_data *new_gd; /* relocated global data */
#ifdef CONFIG_DM
struct udevice *dm_root; /* Root instance for Driver Model */
struct udevice *dm_root_f; /* Pre-relocation root instance */
struct list_head uclass_root; /* Head of core tree */
#endif
#ifdef CONFIG_TIMER
struct udevice *timer; /* Timer instance for Driver Model */
#endif
const void *fdt_blob; /* Our device tree, NULL if none */
void *new_fdt; /* Relocated FDT */
unsigned long fdt_size; /* Space reserved for relocated FDT */
#ifdef CONFIG_OF_LIVE
struct device_node *of_root;
#endif
#if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
const void *multi_dtb_fit; /* uncompressed multi-dtb FIT image */
#endif
struct jt_funcs *jt; /* jump table */
char env_buf[32]; /* buffer for env_get() before reloc. */
#ifdef CONFIG_TRACE
void *trace_buff; /* The trace buffer */
#endif
#if defined(CONFIG_SYS_I2C)
int cur_i2c_bus; /* current used i2c bus */
#endif
unsigned int timebase_h;
unsigned int timebase_l;
#if CONFIG_VAL(SYS_MALLOC_F_LEN)
unsigned long malloc_base; /* base address of early malloc() */
unsigned long malloc_limit; /* limit address */
unsigned long malloc_ptr; /* current address */
#endif
#ifdef CONFIG_PCI
struct pci_controller *hose; /* PCI hose for early use */
phys_addr_t pci_ram_top; /* top of region accessible to PCI */
#endif
#ifdef CONFIG_PCI_BOOTDELAY
int pcidelay_done;
#endif
struct udevice *cur_serial_dev; /* current serial device */
struct arch_global_data arch; /* architecture-specific data */
#ifdef CONFIG_CONSOLE_RECORD
struct membuff console_out; /* console output */
struct membuff console_in; /* console input */
#endif
#ifdef CONFIG_DM_VIDEO
ulong video_top; /* Top of video frame buffer area */
ulong video_bottom; /* Bottom of video frame buffer area */
#endif
#ifdef CONFIG_BOOTSTAGE
struct bootstage_data *bootstage; /* Bootstage information */
struct bootstage_data *new_bootstage; /* Relocated bootstage info */
#endif
#ifdef CONFIG_LOG
int log_drop_count; /* Number of dropped log messages */
int default_log_level; /* For devices with no filters */
struct list_head log_head; /* List of struct log_device */
int log_fmt; /* Mask containing log format info */
#endif
#if CONFIG_IS_ENABLED(BLOBLIST)
struct bloblist_hdr *bloblist; /* Bloblist information */
struct bloblist_hdr *new_bloblist; /* Relocated blolist info */
# ifdef CONFIG_SPL
struct spl_handoff *spl_handoff;
# endif
#endif
#if defined(CONFIG_TRANSLATION_OFFSET)
fdt_addr_t translation_offset; /* optional translation offset */
#endif
#if CONFIG_IS_ENABLED(WDT)
struct udevice *watchdog_dev;
#endif
} gd_t;
#ifdef CONFIG_BOARD_TYPES
#define gd_board_type() gd->board_type
#else
#define gd_board_type() 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,
};
#endif /* __ASSEMBLY__ */
#endif /* __ASM_GENERIC_GBL_DATA_H */
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