/* * (C) Copyright 2002-2010 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #ifndef __ASM_GBL_DATA_H #define __ASM_GBL_DATA_H #include "config.h" #include "asm/types.h" /* * The following data structure is placed in some memory wich 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) */ typedef struct global_data { bd_t *bd; unsigned long flags; unsigned long baudrate; unsigned long cpu_clk; /* CPU clock in Hz! */ unsigned long bus_clk; #if defined(CONFIG_8xx) unsigned long brg_clk; #endif #if defined(CONFIG_CPM2) /* There are many clocks on the MPC8260 - see page 9-5 */ unsigned long vco_out; unsigned long cpm_clk; unsigned long scc_clk; unsigned long brg_clk; #ifdef CONFIG_PCI unsigned long pci_clk; #endif #endif unsigned long mem_clk; #if defined(CONFIG_MPC83xx) /* There are other clocks in the MPC83XX */ u32 csb_clk; #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \ defined(CONFIG_MPC834x) || defined(CONFIG_MPC837x) u32 tsec1_clk; u32 tsec2_clk; u32 usbdr_clk; #endif #if defined (CONFIG_MPC834x) u32 usbmph_clk; #endif /* CONFIG_MPC834x */ #if defined(CONFIG_MPC8315) u32 tdm_clk; #endif u32 core_clk; u32 enc_clk; u32 lbiu_clk; u32 lclk_clk; u32 pci_clk; #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \ defined(CONFIG_MPC837x) u32 pciexp1_clk; u32 pciexp2_clk; #endif #if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315) u32 sata_clk; #endif #if defined(CONFIG_MPC8360) u32 mem_sec_clk; #endif /* CONFIG_MPC8360 */ #endif #if defined(CONFIG_FSL_ESDHC) u32 sdhc_clk; #endif #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) u32 lbc_clk; void *cpu; #endif /* CONFIG_MPC85xx || CONFIG_MPC86xx */ #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) u32 i2c1_clk; u32 i2c2_clk; #endif #if defined(CONFIG_QE) u32 qe_clk; u32 brg_clk; uint mp_alloc_base; uint mp_alloc_top; #endif /* CONFIG_QE */ #if defined(CONFIG_FSL_LAW) u32 used_laws; #endif #if defined(CONFIG_E500) u32 used_tlb_cams[(CONFIG_SYS_NUM_TLBCAMS+31)/32]; #endif #if defined(CONFIG_MPC5xxx) unsigned long ipb_clk; unsigned long pci_clk; #endif #if defined(CONFIG_MPC512X) u32 ips_clk; u32 csb_clk; u32 pci_clk; #endif /* CONFIG_MPC512X */ #if defined(CONFIG_MPC8220) unsigned long bExtUart; unsigned long inp_clk; unsigned long pci_clk; unsigned long vco_clk; unsigned long pev_clk; unsigned long flb_clk; #endif phys_size_t ram_size; /* RAM size */ unsigned long reset_status; /* reset status register at boot */ #if defined(CONFIG_MPC83xx) unsigned long arbiter_event_attributes; unsigned long arbiter_event_address; #endif unsigned long env_addr; /* Address of Environment struct */ unsigned long env_valid; /* Checksum of Environment valid? */ unsigned long have_console; /* serial_init() was called */ #ifdef CONFIG_PRE_CONSOLE_BUFFER unsigned long precon_buf_idx; /* Pre-Console buffer index */ #endif #if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2) unsigned int dp_alloc_base; unsigned int dp_alloc_top; #endif #if defined(CONFIG_4xx) u32 uart_clk; #endif /* CONFIG_4xx */ #if defined(CONFIG_SYS_GT_6426x) unsigned int mirror_hack[16]; #endif #if defined(CONFIG_A3000) || \ defined(CONFIG_HIDDEN_DRAGON) || \ defined(CONFIG_MUSENKI) || \ defined(CONFIG_SANDPOINT) void * console_addr; #endif unsigned long relocaddr; /* Start address of U-Boot in RAM */ #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) unsigned long fb_base; /* Base address of framebuffer memory */ #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 #ifdef CONFIG_MODEM_SUPPORT unsigned long do_mdm_init; unsigned long be_quiet; #endif #if defined(CONFIG_LWMON) || defined(CONFIG_LWMON5) unsigned long kbd_status; #endif #ifdef CONFIG_SYS_FPGA_COUNT unsigned fpga_state[CONFIG_SYS_FPGA_COUNT]; #endif #if defined(CONFIG_WD_MAX_RATE) unsigned long long wdt_last; /* trace watch-dog triggering rate */ #endif void **jt; /* jump table */ char env_buf[32]; /* buffer for getenv() before reloc. */ } gd_t; /* * 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 /* Environment imported into hash table */ #if 1 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r2") #else /* We could use plain global data, but the resulting code is bigger */ #define XTRN_DECLARE_GLOBAL_DATA_PTR extern #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \ gd_t *gd #endif #endif /* __ASM_GBL_DATA_H */