150b1fa39SSimon Glass /* 250b1fa39SSimon Glass * Copyright (c) 2012 The Chromium OS Authors. 350b1fa39SSimon Glass * (C) Copyright 2002-2010 450b1fa39SSimon Glass * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 550b1fa39SSimon Glass * 61a459660SWolfgang Denk * SPDX-License-Identifier: GPL-2.0+ 750b1fa39SSimon Glass */ 850b1fa39SSimon Glass 950b1fa39SSimon Glass #ifndef __ASM_GENERIC_GBL_DATA_H 1050b1fa39SSimon Glass #define __ASM_GENERIC_GBL_DATA_H 1150b1fa39SSimon Glass /* 1250b1fa39SSimon Glass * The following data structure is placed in some memory which is 1350b1fa39SSimon Glass * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or 1450b1fa39SSimon Glass * some locked parts of the data cache) to allow for a minimum set of 1550b1fa39SSimon Glass * global variables during system initialization (until we have set 1650b1fa39SSimon Glass * up the memory controller so that we can use RAM). 1750b1fa39SSimon Glass * 1850b1fa39SSimon Glass * Keep it *SMALL* and remember to set GENERATED_GBL_DATA_SIZE > sizeof(gd_t) 1950b1fa39SSimon Glass * 2050b1fa39SSimon Glass * Each architecture has its own private fields. For now all are private 2150b1fa39SSimon Glass */ 2250b1fa39SSimon Glass 2350b1fa39SSimon Glass #ifndef __ASSEMBLY__ 246494d708SSimon Glass #include <linux/list.h> 256494d708SSimon Glass 2650b1fa39SSimon Glass typedef struct global_data { 2750b1fa39SSimon Glass bd_t *bd; 2850b1fa39SSimon Glass unsigned long flags; 29b5bec884SSimon Glass unsigned int baudrate; 3050b1fa39SSimon Glass unsigned long cpu_clk; /* CPU clock in Hz! */ 3150b1fa39SSimon Glass unsigned long bus_clk; 3250b1fa39SSimon Glass /* We cannot bracket this with CONFIG_PCI due to mpc5xxx */ 3350b1fa39SSimon Glass unsigned long pci_clk; 3450b1fa39SSimon Glass unsigned long mem_clk; 3550b1fa39SSimon Glass #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) 3650b1fa39SSimon Glass unsigned long fb_base; /* Base address of framebuffer mem */ 3750b1fa39SSimon Glass #endif 3850b1fa39SSimon Glass #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) 3950b1fa39SSimon Glass unsigned long post_log_word; /* Record POST activities */ 4050b1fa39SSimon Glass unsigned long post_log_res; /* success of POST test */ 4150b1fa39SSimon Glass unsigned long post_init_f_time; /* When post_init_f started */ 4250b1fa39SSimon Glass #endif 4350b1fa39SSimon Glass #ifdef CONFIG_BOARD_TYPES 4450b1fa39SSimon Glass unsigned long board_type; 4550b1fa39SSimon Glass #endif 4650b1fa39SSimon Glass unsigned long have_console; /* serial_init() was called */ 4750b1fa39SSimon Glass #ifdef CONFIG_PRE_CONSOLE_BUFFER 4850b1fa39SSimon Glass unsigned long precon_buf_idx; /* Pre-Console buffer index */ 4950b1fa39SSimon Glass #endif 5050b1fa39SSimon Glass #ifdef CONFIG_MODEM_SUPPORT 5150b1fa39SSimon Glass unsigned long do_mdm_init; 5250b1fa39SSimon Glass unsigned long be_quiet; 5350b1fa39SSimon Glass #endif 5450b1fa39SSimon Glass unsigned long env_addr; /* Address of Environment struct */ 5550b1fa39SSimon Glass unsigned long env_valid; /* Checksum of Environment valid? */ 5650b1fa39SSimon Glass 5750b1fa39SSimon Glass unsigned long ram_top; /* Top address of RAM used by U-Boot */ 5850b1fa39SSimon Glass 5950b1fa39SSimon Glass unsigned long relocaddr; /* Start address of U-Boot in RAM */ 6050b1fa39SSimon Glass phys_size_t ram_size; /* RAM size */ 6150b1fa39SSimon Glass unsigned long mon_len; /* monitor len */ 6250b1fa39SSimon Glass unsigned long irq_sp; /* irq stack pointer */ 6350b1fa39SSimon Glass unsigned long start_addr_sp; /* start_addr_stackpointer */ 6450b1fa39SSimon Glass unsigned long reloc_off; 6550b1fa39SSimon Glass struct global_data *new_gd; /* relocated global data */ 666494d708SSimon Glass 676494d708SSimon Glass #ifdef CONFIG_DM 6854c5d08aSHeiko Schocher struct udevice *dm_root; /* Root instance for Driver Model */ 69ab7cd627SSimon Glass struct udevice *dm_root_f; /* Pre-relocation root instance */ 706494d708SSimon Glass struct list_head uclass_root; /* Head of core tree */ 716494d708SSimon Glass #endif 726494d708SSimon Glass 7350b1fa39SSimon Glass const void *fdt_blob; /* Our device tree, NULL if none */ 741938f4a5SSimon Glass void *new_fdt; /* Relocated FDT */ 751938f4a5SSimon Glass unsigned long fdt_size; /* Space reserved for relocated FDT */ 7650b1fa39SSimon Glass void **jt; /* jump table */ 7750b1fa39SSimon Glass char env_buf[32]; /* buffer for getenv() before reloc. */ 7871c52dbaSSimon Glass #ifdef CONFIG_TRACE 7971c52dbaSSimon Glass void *trace_buff; /* The trace buffer */ 8071c52dbaSSimon Glass #endif 81385c9ef5SHeiko Schocher #if defined(CONFIG_SYS_I2C) 82385c9ef5SHeiko Schocher int cur_i2c_bus; /* current used i2c bus */ 83385c9ef5SHeiko Schocher #endif 84dec1861bSYork Sun #ifdef CONFIG_SYS_I2C_MXC 85dec1861bSYork Sun void *srdata[10]; 86dec1861bSYork Sun #endif 878dfafddeSRob Herring unsigned long timebase_h; 888dfafddeSRob Herring unsigned long timebase_l; 89d59476b6SSimon Glass #ifdef CONFIG_SYS_MALLOC_F_LEN 90d59476b6SSimon Glass unsigned long malloc_base; /* base address of early malloc() */ 91d59476b6SSimon Glass unsigned long malloc_limit; /* limit address */ 92d59476b6SSimon Glass unsigned long malloc_ptr; /* current address */ 93d59476b6SSimon Glass #endif 94*8f9052fdSBin Meng #ifdef CONFIG_PCI 95*8f9052fdSBin Meng struct pci_controller *hose; /* PCI hose for early use */ 96*8f9052fdSBin Meng #endif 97*8f9052fdSBin Meng #ifdef CONFIG_PCI_BOOTDELAY 98*8f9052fdSBin Meng int pcidelay_done; 99*8f9052fdSBin Meng #endif 100469a579dSSimon Glass struct udevice *cur_serial_dev; /* current serial device */ 10150b1fa39SSimon Glass struct arch_global_data arch; /* architecture-specific data */ 10250b1fa39SSimon Glass } gd_t; 10350b1fa39SSimon Glass #endif 10450b1fa39SSimon Glass 10550b1fa39SSimon Glass /* 10650b1fa39SSimon Glass * Global Data Flags 10750b1fa39SSimon Glass */ 10850b1fa39SSimon Glass #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ 10950b1fa39SSimon Glass #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ 11050b1fa39SSimon Glass #define GD_FLG_SILENT 0x00004 /* Silent mode */ 11150b1fa39SSimon Glass #define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */ 11250b1fa39SSimon Glass #define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */ 11350b1fa39SSimon Glass #define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */ 11450b1fa39SSimon Glass #define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */ 11550b1fa39SSimon Glass #define GD_FLG_ENV_READY 0x00080 /* Env. imported into hash table */ 116093f79abSSimon Glass #define GD_FLG_SERIAL_READY 0x00100 /* Pre-reloc serial console ready */ 117c9356be3SSimon Glass #define GD_FLG_FULL_MALLOC_INIT 0x00200 /* Full malloc() is ready */ 11850b1fa39SSimon Glass 11950b1fa39SSimon Glass #endif /* __ASM_GENERIC_GBL_DATA_H */ 120