| /* | |
| * Copyright (c) 2012 The Chromium OS Authors. | |
| * (C) Copyright 2002-2010 | |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
| * | |
| * SPDX-License-Identifier: GPL-2.0+ | |
| */ | |
| #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 <linux/list.h> | |
| typedef struct global_data { | |
| bd_t *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) | |
| unsigned long fb_base; /* Base address of framebuffer mem */ | |
| #endif | |
| #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) | |
| 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 */ | |
| #ifdef CONFIG_PRE_CONSOLE_BUFFER | |
| unsigned long precon_buf_idx; /* Pre-Console buffer index */ | |
| #endif | |
| #ifdef CONFIG_MODEM_SUPPORT | |
| unsigned long do_mdm_init; | |
| unsigned long be_quiet; | |
| #endif | |
| unsigned long env_addr; /* Address of Environment struct */ | |
| unsigned long env_valid; /* Checksum of Environment valid? */ | |
| 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 | |
| const void *fdt_blob; /* Our device tree, NULL if none */ | |
| void *new_fdt; /* Relocated FDT */ | |
| unsigned long fdt_size; /* Space reserved for relocated FDT */ | |
| struct jt_funcs *jt; /* jump table */ | |
| char env_buf[32]; /* buffer for getenv() 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 | |
| #ifdef CONFIG_SYS_I2C_MXC | |
| void *srdata[10]; | |
| #endif | |
| unsigned long timebase_h; | |
| unsigned long timebase_l; | |
| #ifdef CONFIG_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 */ | |
| #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 */ | |
| } gd_t; | |
| #endif | |
| /* | |
| * Global Data Flags | |
| */ | |
| #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ | |
| #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ | |
| #define GD_FLG_SILENT 0x00004 /* Silent mode */ | |
| #define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */ | |
| #define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */ | |
| #define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */ | |
| #define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */ | |
| #define GD_FLG_ENV_READY 0x00080 /* Env. imported into hash table */ | |
| #define GD_FLG_SERIAL_READY 0x00100 /* Pre-reloc serial console ready */ | |
| #define GD_FLG_FULL_MALLOC_INIT 0x00200 /* Full malloc() is ready */ | |
| #endif /* __ASM_GENERIC_GBL_DATA_H */ |