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 /* TODO: sjg@chromium.org: Should these be unslgned long? */ 43 #if defined(CONFIG_MPC83xx) 44 /* There are other clocks in the MPC83XX */ 45 u32 csb_clk; 46 # if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \ 47 defined(CONFIG_MPC834x) || defined(CONFIG_MPC837x) 48 u32 tsec1_clk; 49 u32 tsec2_clk; 50 u32 usbdr_clk; 51 # elif defined(CONFIG_MPC8309) 52 u32 usbdr_clk; 53 # endif 54 # if defined(CONFIG_MPC834x) 55 u32 usbmph_clk; 56 # endif /* CONFIG_MPC834x */ 57 # if defined(CONFIG_MPC8315) 58 u32 tdm_clk; 59 # endif 60 u32 core_clk; 61 u32 enc_clk; 62 u32 lbiu_clk; 63 u32 lclk_clk; 64 # if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \ 65 defined(CONFIG_MPC837x) 66 u32 pciexp1_clk; 67 u32 pciexp2_clk; 68 # endif 69 # if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315) 70 u32 sata_clk; 71 # endif 72 # if defined(CONFIG_MPC8360) 73 u32 mem_sec_clk; 74 # endif /* CONFIG_MPC8360 */ 75 #endif 76 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) 77 u32 lbc_clk; 78 void *cpu; 79 #endif /* CONFIG_MPC85xx || CONFIG_MPC86xx */ 80 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || \ 81 defined(CONFIG_MPC86xx) 82 u32 i2c1_clk; 83 u32 i2c2_clk; 84 #endif 85 #if defined(CONFIG_QE) 86 u32 qe_clk; 87 u32 brg_clk; 88 uint mp_alloc_base; 89 uint mp_alloc_top; 90 #endif /* CONFIG_QE */ 91 #if defined(CONFIG_FSL_LAW) 92 u32 used_laws; 93 #endif 94 #if defined(CONFIG_E500) 95 u32 used_tlb_cams[(CONFIG_SYS_NUM_TLBCAMS+31)/32]; 96 #endif 97 #if defined(CONFIG_MPC5xxx) 98 unsigned long ipb_clk; 99 #endif 100 #if defined(CONFIG_MPC512X) 101 u32 ips_clk; 102 u32 csb_clk; 103 #endif /* CONFIG_MPC512X */ 104 #if defined(CONFIG_MPC8220) 105 unsigned long inp_clk; 106 unsigned long vco_clk; 107 unsigned long pev_clk; 108 unsigned long flb_clk; 109 #endif 110 unsigned long reset_status; /* reset status register at boot */ 111 #if defined(CONFIG_MPC83xx) 112 unsigned long arbiter_event_attributes; 113 unsigned long arbiter_event_address; 114 #endif 115 #if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2) 116 unsigned int dp_alloc_base; 117 unsigned int dp_alloc_top; 118 #endif 119 }; 120 121 /* 122 * The following data structure is placed in some memory wich is 123 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or 124 * some locked parts of the data cache) to allow for a minimum set of 125 * global variables during system initialization (until we have set 126 * up the memory controller so that we can use RAM). 127 */ 128 129 typedef struct global_data { 130 bd_t *bd; 131 unsigned long flags; 132 unsigned int baudrate; 133 unsigned long cpu_clk; /* CPU clock in Hz! */ 134 unsigned long bus_clk; 135 /* We cannot bracket this with CONFIG_PCI due to mpc5xxx */ 136 unsigned long pci_clk; 137 unsigned long mem_clk; 138 #if defined(CONFIG_FSL_ESDHC) 139 u32 sdhc_clk; 140 #endif 141 phys_size_t ram_size; /* RAM size */ 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_4xx) 149 u32 uart_clk; 150 #endif /* CONFIG_4xx */ 151 #if defined(CONFIG_SYS_GT_6426x) 152 unsigned int mirror_hack[16]; 153 #endif 154 #if defined(CONFIG_A3000) || \ 155 defined(CONFIG_HIDDEN_DRAGON) || \ 156 defined(CONFIG_MUSENKI) || \ 157 defined(CONFIG_SANDPOINT) 158 void * console_addr; 159 #endif 160 unsigned long relocaddr; /* Start address of U-Boot in RAM */ 161 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) 162 unsigned long fb_base; /* Base address of framebuffer memory */ 163 #endif 164 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) 165 unsigned long post_log_word; /* Record POST activities */ 166 unsigned long post_log_res; /* success of POST test */ 167 unsigned long post_init_f_time; /* When post_init_f started */ 168 #endif 169 #ifdef CONFIG_BOARD_TYPES 170 unsigned long board_type; 171 #endif 172 #ifdef CONFIG_MODEM_SUPPORT 173 unsigned long do_mdm_init; 174 unsigned long be_quiet; 175 #endif 176 #if defined(CONFIG_LWMON) || defined(CONFIG_LWMON5) 177 unsigned long kbd_status; 178 #endif 179 #ifdef CONFIG_SYS_FPGA_COUNT 180 unsigned fpga_state[CONFIG_SYS_FPGA_COUNT]; 181 #endif 182 #if defined(CONFIG_WD_MAX_RATE) 183 unsigned long long wdt_last; /* trace watch-dog triggering rate */ 184 #endif 185 void **jt; /* jump table */ 186 char env_buf[32]; /* buffer for getenv() before reloc. */ 187 struct arch_global_data arch; /* architecture-specific data */ 188 } gd_t; 189 190 #include <asm-generic/global_data_flags.h> 191 192 #if 1 193 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r2") 194 #else /* We could use plain global data, but the resulting code is bigger */ 195 #define XTRN_DECLARE_GLOBAL_DATA_PTR extern 196 #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \ 197 gd_t *gd 198 #endif 199 200 #endif /* __ASM_GBL_DATA_H */ 201