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 /* Architecture-specific global data */ 31 struct arch_global_data { 32 #if defined(CONFIG_8xx) 33 unsigned long brg_clk; 34 #endif 35 #if defined(CONFIG_CPM2) 36 /* There are many clocks on the MPC8260 - see page 9-5 */ 37 unsigned long vco_out; 38 unsigned long cpm_clk; 39 unsigned long scc_clk; 40 unsigned long brg_clk; 41 #endif 42 #if defined(CONFIG_QE) 43 u32 brg_clk; 44 #endif 45 }; 46 47 /* 48 * The following data structure is placed in some memory wich is 49 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or 50 * some locked parts of the data cache) to allow for a minimum set of 51 * global variables during system initialization (until we have set 52 * up the memory controller so that we can use RAM). 53 */ 54 55 typedef struct global_data { 56 bd_t *bd; 57 unsigned long flags; 58 unsigned int baudrate; 59 unsigned long cpu_clk; /* CPU clock in Hz! */ 60 unsigned long bus_clk; 61 /* We cannot bracket this with CONFIG_PCI due to mpc5xxx */ 62 unsigned long pci_clk; 63 #if defined(CONFIG_CPM2) 64 /* There are many clocks on the MPC8260 - see page 9-5 */ 65 unsigned long vco_out; 66 unsigned long cpm_clk; 67 unsigned long scc_clk; 68 #endif 69 unsigned long mem_clk; 70 #if defined(CONFIG_MPC83xx) 71 /* There are other clocks in the MPC83XX */ 72 u32 csb_clk; 73 #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \ 74 defined(CONFIG_MPC834x) || defined(CONFIG_MPC837x) 75 u32 tsec1_clk; 76 u32 tsec2_clk; 77 u32 usbdr_clk; 78 #elif defined(CONFIG_MPC8309) 79 u32 usbdr_clk; 80 #endif 81 #if defined (CONFIG_MPC834x) 82 u32 usbmph_clk; 83 #endif /* CONFIG_MPC834x */ 84 #if defined(CONFIG_MPC8315) 85 u32 tdm_clk; 86 #endif 87 u32 core_clk; 88 u32 enc_clk; 89 u32 lbiu_clk; 90 u32 lclk_clk; 91 #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \ 92 defined(CONFIG_MPC837x) 93 u32 pciexp1_clk; 94 u32 pciexp2_clk; 95 #endif 96 #if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315) 97 u32 sata_clk; 98 #endif 99 #if defined(CONFIG_MPC8360) 100 u32 mem_sec_clk; 101 #endif /* CONFIG_MPC8360 */ 102 #endif 103 #if defined(CONFIG_FSL_ESDHC) 104 u32 sdhc_clk; 105 #endif 106 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) 107 u32 lbc_clk; 108 void *cpu; 109 #endif /* CONFIG_MPC85xx || CONFIG_MPC86xx */ 110 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) 111 u32 i2c1_clk; 112 u32 i2c2_clk; 113 #endif 114 #if defined(CONFIG_QE) 115 u32 qe_clk; 116 uint mp_alloc_base; 117 uint mp_alloc_top; 118 #endif /* CONFIG_QE */ 119 #if defined(CONFIG_FSL_LAW) 120 u32 used_laws; 121 #endif 122 #if defined(CONFIG_E500) 123 u32 used_tlb_cams[(CONFIG_SYS_NUM_TLBCAMS+31)/32]; 124 #endif 125 #if defined(CONFIG_MPC5xxx) 126 unsigned long ipb_clk; 127 #endif 128 #if defined(CONFIG_MPC512X) 129 u32 ips_clk; 130 u32 csb_clk; 131 #endif /* CONFIG_MPC512X */ 132 #if defined(CONFIG_MPC8220) 133 unsigned long bExtUart; 134 unsigned long inp_clk; 135 unsigned long vco_clk; 136 unsigned long pev_clk; 137 unsigned long flb_clk; 138 #endif 139 phys_size_t ram_size; /* RAM size */ 140 unsigned long reset_status; /* reset status register at boot */ 141 #if defined(CONFIG_MPC83xx) 142 unsigned long arbiter_event_attributes; 143 unsigned long arbiter_event_address; 144 #endif 145 unsigned long env_addr; /* Address of Environment struct */ 146 unsigned long env_valid; /* Checksum of Environment valid? */ 147 unsigned long have_console; /* serial_init() was called */ 148 #ifdef CONFIG_PRE_CONSOLE_BUFFER 149 unsigned long precon_buf_idx; /* Pre-Console buffer index */ 150 #endif 151 #if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2) 152 unsigned int dp_alloc_base; 153 unsigned int dp_alloc_top; 154 #endif 155 #if defined(CONFIG_4xx) 156 u32 uart_clk; 157 #endif /* CONFIG_4xx */ 158 #if defined(CONFIG_SYS_GT_6426x) 159 unsigned int mirror_hack[16]; 160 #endif 161 #if defined(CONFIG_A3000) || \ 162 defined(CONFIG_HIDDEN_DRAGON) || \ 163 defined(CONFIG_MUSENKI) || \ 164 defined(CONFIG_SANDPOINT) 165 void * console_addr; 166 #endif 167 unsigned long relocaddr; /* Start address of U-Boot in RAM */ 168 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) 169 unsigned long fb_base; /* Base address of framebuffer memory */ 170 #endif 171 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) 172 unsigned long post_log_word; /* Record POST activities */ 173 unsigned long post_log_res; /* success of POST test */ 174 unsigned long post_init_f_time; /* When post_init_f started */ 175 #endif 176 #ifdef CONFIG_BOARD_TYPES 177 unsigned long board_type; 178 #endif 179 #ifdef CONFIG_MODEM_SUPPORT 180 unsigned long do_mdm_init; 181 unsigned long be_quiet; 182 #endif 183 #if defined(CONFIG_LWMON) || defined(CONFIG_LWMON5) 184 unsigned long kbd_status; 185 #endif 186 #ifdef CONFIG_SYS_FPGA_COUNT 187 unsigned fpga_state[CONFIG_SYS_FPGA_COUNT]; 188 #endif 189 #if defined(CONFIG_WD_MAX_RATE) 190 unsigned long long wdt_last; /* trace watch-dog triggering rate */ 191 #endif 192 void **jt; /* jump table */ 193 char env_buf[32]; /* buffer for getenv() before reloc. */ 194 struct arch_global_data arch; /* architecture-specific data */ 195 } gd_t; 196 197 #include <asm-generic/global_data_flags.h> 198 199 #if 1 200 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r2") 201 #else /* We could use plain global data, but the resulting code is bigger */ 202 #define XTRN_DECLARE_GLOBAL_DATA_PTR extern 203 #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \ 204 gd_t *gd 205 #endif 206 207 #endif /* __ASM_GBL_DATA_H */ 208