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 #if defined(CONFIG_CPM2) 58 /* There are many clocks on the MPC8260 - see page 9-5 */ 59 unsigned long vco_out; 60 unsigned long cpm_clk; 61 unsigned long scc_clk; 62 #ifdef CONFIG_PCI 63 unsigned long pci_clk; 64 #endif 65 #endif 66 unsigned long mem_clk; 67 #if defined(CONFIG_MPC83xx) 68 /* There are other clocks in the MPC83XX */ 69 u32 csb_clk; 70 #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \ 71 defined(CONFIG_MPC834x) || defined(CONFIG_MPC837x) 72 u32 tsec1_clk; 73 u32 tsec2_clk; 74 u32 usbdr_clk; 75 #elif defined(CONFIG_MPC8309) 76 u32 usbdr_clk; 77 #endif 78 #if defined (CONFIG_MPC834x) 79 u32 usbmph_clk; 80 #endif /* CONFIG_MPC834x */ 81 #if defined(CONFIG_MPC8315) 82 u32 tdm_clk; 83 #endif 84 u32 core_clk; 85 u32 enc_clk; 86 u32 lbiu_clk; 87 u32 lclk_clk; 88 u32 pci_clk; 89 #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \ 90 defined(CONFIG_MPC837x) 91 u32 pciexp1_clk; 92 u32 pciexp2_clk; 93 #endif 94 #if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315) 95 u32 sata_clk; 96 #endif 97 #if defined(CONFIG_MPC8360) 98 u32 mem_sec_clk; 99 #endif /* CONFIG_MPC8360 */ 100 #endif 101 #if defined(CONFIG_FSL_ESDHC) 102 u32 sdhc_clk; 103 #endif 104 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) 105 u32 lbc_clk; 106 void *cpu; 107 #endif /* CONFIG_MPC85xx || CONFIG_MPC86xx */ 108 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) 109 u32 i2c1_clk; 110 u32 i2c2_clk; 111 #endif 112 #if defined(CONFIG_QE) 113 u32 qe_clk; 114 uint mp_alloc_base; 115 uint mp_alloc_top; 116 #endif /* CONFIG_QE */ 117 #if defined(CONFIG_FSL_LAW) 118 u32 used_laws; 119 #endif 120 #if defined(CONFIG_E500) 121 u32 used_tlb_cams[(CONFIG_SYS_NUM_TLBCAMS+31)/32]; 122 #endif 123 #if defined(CONFIG_MPC5xxx) 124 unsigned long ipb_clk; 125 unsigned long pci_clk; 126 #endif 127 #if defined(CONFIG_MPC512X) 128 u32 ips_clk; 129 u32 csb_clk; 130 u32 pci_clk; 131 #endif /* CONFIG_MPC512X */ 132 #if defined(CONFIG_MPC8220) 133 unsigned long bExtUart; 134 unsigned long inp_clk; 135 unsigned long pci_clk; 136 unsigned long vco_clk; 137 unsigned long pev_clk; 138 unsigned long flb_clk; 139 #endif 140 phys_size_t ram_size; /* RAM size */ 141 unsigned long reset_status; /* reset status register at boot */ 142 #if defined(CONFIG_MPC83xx) 143 unsigned long arbiter_event_attributes; 144 unsigned long arbiter_event_address; 145 #endif 146 unsigned long env_addr; /* Address of Environment struct */ 147 unsigned long env_valid; /* Checksum of Environment valid? */ 148 unsigned long have_console; /* serial_init() was called */ 149 #ifdef CONFIG_PRE_CONSOLE_BUFFER 150 unsigned long precon_buf_idx; /* Pre-Console buffer index */ 151 #endif 152 #if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2) 153 unsigned int dp_alloc_base; 154 unsigned int dp_alloc_top; 155 #endif 156 #if defined(CONFIG_4xx) 157 u32 uart_clk; 158 #endif /* CONFIG_4xx */ 159 #if defined(CONFIG_SYS_GT_6426x) 160 unsigned int mirror_hack[16]; 161 #endif 162 #if defined(CONFIG_A3000) || \ 163 defined(CONFIG_HIDDEN_DRAGON) || \ 164 defined(CONFIG_MUSENKI) || \ 165 defined(CONFIG_SANDPOINT) 166 void * console_addr; 167 #endif 168 unsigned long relocaddr; /* Start address of U-Boot in RAM */ 169 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) 170 unsigned long fb_base; /* Base address of framebuffer memory */ 171 #endif 172 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) 173 unsigned long post_log_word; /* Record POST activities */ 174 unsigned long post_log_res; /* success of POST test */ 175 unsigned long post_init_f_time; /* When post_init_f started */ 176 #endif 177 #ifdef CONFIG_BOARD_TYPES 178 unsigned long board_type; 179 #endif 180 #ifdef CONFIG_MODEM_SUPPORT 181 unsigned long do_mdm_init; 182 unsigned long be_quiet; 183 #endif 184 #if defined(CONFIG_LWMON) || defined(CONFIG_LWMON5) 185 unsigned long kbd_status; 186 #endif 187 #ifdef CONFIG_SYS_FPGA_COUNT 188 unsigned fpga_state[CONFIG_SYS_FPGA_COUNT]; 189 #endif 190 #if defined(CONFIG_WD_MAX_RATE) 191 unsigned long long wdt_last; /* trace watch-dog triggering rate */ 192 #endif 193 void **jt; /* jump table */ 194 char env_buf[32]; /* buffer for getenv() before reloc. */ 195 struct arch_global_data arch; /* architecture-specific data */ 196 } gd_t; 197 198 #include <asm-generic/global_data_flags.h> 199 200 #if 1 201 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r2") 202 #else /* We could use plain global data, but the resulting code is bigger */ 203 #define XTRN_DECLARE_GLOBAL_DATA_PTR extern 204 #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \ 205 gd_t *gd 206 #endif 207 208 #endif /* __ASM_GBL_DATA_H */ 209