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 }; 33 34 /* 35 * The following data structure is placed in some memory wich is 36 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or 37 * some locked parts of the data cache) to allow for a minimum set of 38 * global variables during system initialization (until we have set 39 * up the memory controller so that we can use RAM). 40 */ 41 42 typedef struct global_data { 43 bd_t *bd; 44 unsigned long flags; 45 unsigned int baudrate; 46 unsigned long cpu_clk; /* CPU clock in Hz! */ 47 unsigned long bus_clk; 48 #if defined(CONFIG_8xx) 49 unsigned long brg_clk; 50 #endif 51 #if defined(CONFIG_CPM2) 52 /* There are many clocks on the MPC8260 - see page 9-5 */ 53 unsigned long vco_out; 54 unsigned long cpm_clk; 55 unsigned long scc_clk; 56 unsigned long brg_clk; 57 #ifdef CONFIG_PCI 58 unsigned long pci_clk; 59 #endif 60 #endif 61 unsigned long mem_clk; 62 #if defined(CONFIG_MPC83xx) 63 /* There are other clocks in the MPC83XX */ 64 u32 csb_clk; 65 #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \ 66 defined(CONFIG_MPC834x) || defined(CONFIG_MPC837x) 67 u32 tsec1_clk; 68 u32 tsec2_clk; 69 u32 usbdr_clk; 70 #elif defined(CONFIG_MPC8309) 71 u32 usbdr_clk; 72 #endif 73 #if defined (CONFIG_MPC834x) 74 u32 usbmph_clk; 75 #endif /* CONFIG_MPC834x */ 76 #if defined(CONFIG_MPC8315) 77 u32 tdm_clk; 78 #endif 79 u32 core_clk; 80 u32 enc_clk; 81 u32 lbiu_clk; 82 u32 lclk_clk; 83 u32 pci_clk; 84 #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \ 85 defined(CONFIG_MPC837x) 86 u32 pciexp1_clk; 87 u32 pciexp2_clk; 88 #endif 89 #if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315) 90 u32 sata_clk; 91 #endif 92 #if defined(CONFIG_MPC8360) 93 u32 mem_sec_clk; 94 #endif /* CONFIG_MPC8360 */ 95 #endif 96 #if defined(CONFIG_FSL_ESDHC) 97 u32 sdhc_clk; 98 #endif 99 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) 100 u32 lbc_clk; 101 void *cpu; 102 #endif /* CONFIG_MPC85xx || CONFIG_MPC86xx */ 103 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) 104 u32 i2c1_clk; 105 u32 i2c2_clk; 106 #endif 107 #if defined(CONFIG_QE) 108 u32 qe_clk; 109 u32 brg_clk; 110 uint mp_alloc_base; 111 uint mp_alloc_top; 112 #endif /* CONFIG_QE */ 113 #if defined(CONFIG_FSL_LAW) 114 u32 used_laws; 115 #endif 116 #if defined(CONFIG_E500) 117 u32 used_tlb_cams[(CONFIG_SYS_NUM_TLBCAMS+31)/32]; 118 #endif 119 #if defined(CONFIG_MPC5xxx) 120 unsigned long ipb_clk; 121 unsigned long pci_clk; 122 #endif 123 #if defined(CONFIG_MPC512X) 124 u32 ips_clk; 125 u32 csb_clk; 126 u32 pci_clk; 127 #endif /* CONFIG_MPC512X */ 128 #if defined(CONFIG_MPC8220) 129 unsigned long bExtUart; 130 unsigned long inp_clk; 131 unsigned long pci_clk; 132 unsigned long vco_clk; 133 unsigned long pev_clk; 134 unsigned long flb_clk; 135 #endif 136 phys_size_t ram_size; /* RAM size */ 137 unsigned long reset_status; /* reset status register at boot */ 138 #if defined(CONFIG_MPC83xx) 139 unsigned long arbiter_event_attributes; 140 unsigned long arbiter_event_address; 141 #endif 142 unsigned long env_addr; /* Address of Environment struct */ 143 unsigned long env_valid; /* Checksum of Environment valid? */ 144 unsigned long have_console; /* serial_init() was called */ 145 #ifdef CONFIG_PRE_CONSOLE_BUFFER 146 unsigned long precon_buf_idx; /* Pre-Console buffer index */ 147 #endif 148 #if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2) 149 unsigned int dp_alloc_base; 150 unsigned int dp_alloc_top; 151 #endif 152 #if defined(CONFIG_4xx) 153 u32 uart_clk; 154 #endif /* CONFIG_4xx */ 155 #if defined(CONFIG_SYS_GT_6426x) 156 unsigned int mirror_hack[16]; 157 #endif 158 #if defined(CONFIG_A3000) || \ 159 defined(CONFIG_HIDDEN_DRAGON) || \ 160 defined(CONFIG_MUSENKI) || \ 161 defined(CONFIG_SANDPOINT) 162 void * console_addr; 163 #endif 164 unsigned long relocaddr; /* Start address of U-Boot in RAM */ 165 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) 166 unsigned long fb_base; /* Base address of framebuffer memory */ 167 #endif 168 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) 169 unsigned long post_log_word; /* Record POST activities */ 170 unsigned long post_log_res; /* success of POST test */ 171 unsigned long post_init_f_time; /* When post_init_f started */ 172 #endif 173 #ifdef CONFIG_BOARD_TYPES 174 unsigned long board_type; 175 #endif 176 #ifdef CONFIG_MODEM_SUPPORT 177 unsigned long do_mdm_init; 178 unsigned long be_quiet; 179 #endif 180 #if defined(CONFIG_LWMON) || defined(CONFIG_LWMON5) 181 unsigned long kbd_status; 182 #endif 183 #ifdef CONFIG_SYS_FPGA_COUNT 184 unsigned fpga_state[CONFIG_SYS_FPGA_COUNT]; 185 #endif 186 #if defined(CONFIG_WD_MAX_RATE) 187 unsigned long long wdt_last; /* trace watch-dog triggering rate */ 188 #endif 189 void **jt; /* jump table */ 190 char env_buf[32]; /* buffer for getenv() before reloc. */ 191 struct arch_global_data arch; /* architecture-specific data */ 192 } gd_t; 193 194 #include <asm-generic/global_data_flags.h> 195 196 #if 1 197 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r2") 198 #else /* We could use plain global data, but the resulting code is bigger */ 199 #define XTRN_DECLARE_GLOBAL_DATA_PTR extern 200 #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \ 201 gd_t *gd 202 #endif 203 204 #endif /* __ASM_GBL_DATA_H */ 205