| /* |
| * 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__ |
| 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 */ |
| const void *fdt_blob; /* Our device tree, NULL if none */ |
| void *new_fdt; /* Relocated FDT */ |
| unsigned long fdt_size; /* Space reserved for relocated FDT */ |
| void **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 |
| 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 */ |
| |
| #endif /* __ASM_GENERIC_GBL_DATA_H */ |