1 /* 2 * (C) Copyright 2002-2010 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24 #ifndef __ASM_GBL_DATA_H 25 #define __ASM_GBL_DATA_H 26 27 #include "config.h" 28 #include "asm/types.h" 29 30 /* 31 * The following data structure is placed in some memory wich is 32 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or 33 * some locked parts of the data cache) to allow for a minimum set of 34 * global variables during system initialization (until we have set 35 * up the memory controller so that we can use RAM). 36 */ 37 38 typedef struct global_data { 39 bd_t *bd; 40 unsigned long flags; 41 unsigned long baudrate; 42 unsigned long cpu_clk; /* CPU clock in Hz! */ 43 unsigned long bus_clk; 44 #if defined(CONFIG_8xx) 45 unsigned long brg_clk; 46 #endif 47 #if defined(CONFIG_CPM2) 48 /* There are many clocks on the MPC8260 - see page 9-5 */ 49 unsigned long vco_out; 50 unsigned long cpm_clk; 51 unsigned long scc_clk; 52 unsigned long brg_clk; 53 #ifdef CONFIG_PCI 54 unsigned long pci_clk; 55 #endif 56 #endif 57 unsigned long mem_clk; 58 #if defined(CONFIG_MPC83xx) 59 /* There are other clocks in the MPC83XX */ 60 u32 csb_clk; 61 #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \ 62 defined(CONFIG_MPC834x) || defined(CONFIG_MPC837x) 63 u32 tsec1_clk; 64 u32 tsec2_clk; 65 u32 usbdr_clk; 66 #endif 67 #if defined (CONFIG_MPC834x) 68 u32 usbmph_clk; 69 #endif /* CONFIG_MPC834x */ 70 #if defined(CONFIG_MPC8315) 71 u32 tdm_clk; 72 #endif 73 u32 core_clk; 74 u32 enc_clk; 75 u32 lbiu_clk; 76 u32 lclk_clk; 77 u32 pci_clk; 78 #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \ 79 defined(CONFIG_MPC837x) 80 u32 pciexp1_clk; 81 u32 pciexp2_clk; 82 #endif 83 #if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315) 84 u32 sata_clk; 85 #endif 86 #if defined(CONFIG_MPC8360) 87 u32 mem_sec_clk; 88 #endif /* CONFIG_MPC8360 */ 89 #endif 90 #if defined(CONFIG_FSL_ESDHC) 91 u32 sdhc_clk; 92 #endif 93 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) 94 u32 lbc_clk; 95 void *cpu; 96 #endif /* CONFIG_MPC85xx || CONFIG_MPC86xx */ 97 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) 98 u32 i2c1_clk; 99 u32 i2c2_clk; 100 #endif 101 #if defined(CONFIG_QE) 102 u32 qe_clk; 103 u32 brg_clk; 104 uint mp_alloc_base; 105 uint mp_alloc_top; 106 #endif /* CONFIG_QE */ 107 #if defined(CONFIG_FSL_LAW) 108 u32 used_laws; 109 #endif 110 #if defined(CONFIG_E500) 111 u32 used_tlb_cams[(CONFIG_SYS_NUM_TLBCAMS+31)/32]; 112 #endif 113 #if defined(CONFIG_MPC5xxx) 114 unsigned long ipb_clk; 115 unsigned long pci_clk; 116 #endif 117 #if defined(CONFIG_MPC512X) 118 u32 ips_clk; 119 u32 csb_clk; 120 u32 pci_clk; 121 #endif /* CONFIG_MPC512X */ 122 #if defined(CONFIG_MPC8220) 123 unsigned long bExtUart; 124 unsigned long inp_clk; 125 unsigned long pci_clk; 126 unsigned long vco_clk; 127 unsigned long pev_clk; 128 unsigned long flb_clk; 129 #endif 130 phys_size_t ram_size; /* RAM size */ 131 unsigned long reset_status; /* reset status register at boot */ 132 #if defined(CONFIG_MPC83xx) 133 unsigned long arbiter_event_attributes; 134 unsigned long arbiter_event_address; 135 #endif 136 unsigned long env_addr; /* Address of Environment struct */ 137 unsigned long env_valid; /* Checksum of Environment valid? */ 138 unsigned long have_console; /* serial_init() was called */ 139 #ifdef CONFIG_PRE_CONSOLE_BUFFER 140 unsigned long precon_buf_idx; /* Pre-Console buffer index */ 141 #endif 142 #if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2) 143 unsigned int dp_alloc_base; 144 unsigned int dp_alloc_top; 145 #endif 146 #if defined(CONFIG_4xx) 147 u32 uart_clk; 148 #endif /* CONFIG_4xx */ 149 #if defined(CONFIG_SYS_GT_6426x) 150 unsigned int mirror_hack[16]; 151 #endif 152 #if defined(CONFIG_A3000) || \ 153 defined(CONFIG_HIDDEN_DRAGON) || \ 154 defined(CONFIG_MUSENKI) || \ 155 defined(CONFIG_SANDPOINT) 156 void * console_addr; 157 #endif 158 unsigned long relocaddr; /* Start address of U-Boot in RAM */ 159 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) 160 unsigned long fb_base; /* Base address of framebuffer memory */ 161 #endif 162 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) 163 unsigned long post_log_word; /* Record POST activities */ 164 unsigned long post_log_res; /* success of POST test */ 165 unsigned long post_init_f_time; /* When post_init_f started */ 166 #endif 167 #ifdef CONFIG_BOARD_TYPES 168 unsigned long board_type; 169 #endif 170 #ifdef CONFIG_MODEM_SUPPORT 171 unsigned long do_mdm_init; 172 unsigned long be_quiet; 173 #endif 174 #if defined(CONFIG_LWMON) || defined(CONFIG_LWMON5) 175 unsigned long kbd_status; 176 #endif 177 #ifdef CONFIG_SYS_FPGA_COUNT 178 unsigned fpga_state[CONFIG_SYS_FPGA_COUNT]; 179 #endif 180 #if defined(CONFIG_WD_MAX_RATE) 181 unsigned long long wdt_last; /* trace watch-dog triggering rate */ 182 #endif 183 void **jt; /* jump table */ 184 char env_buf[32]; /* buffer for getenv() before reloc. */ 185 } gd_t; 186 187 #include <asm-generic/global_data_flags.h> 188 189 #if 1 190 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r2") 191 #else /* We could use plain global data, but the resulting code is bigger */ 192 #define XTRN_DECLARE_GLOBAL_DATA_PTR extern 193 #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \ 194 gd_t *gd 195 #endif 196 197 #endif /* __ASM_GBL_DATA_H */ 198