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