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