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 }; 105 106 /* 107 * The following data structure is placed in some memory wich is 108 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or 109 * some locked parts of the data cache) to allow for a minimum set of 110 * global variables during system initialization (until we have set 111 * up the memory controller so that we can use RAM). 112 */ 113 114 typedef struct global_data { 115 bd_t *bd; 116 unsigned long flags; 117 unsigned int baudrate; 118 unsigned long cpu_clk; /* CPU clock in Hz! */ 119 unsigned long bus_clk; 120 /* We cannot bracket this with CONFIG_PCI due to mpc5xxx */ 121 unsigned long pci_clk; 122 unsigned long mem_clk; 123 #if defined(CONFIG_FSL_ESDHC) 124 u32 sdhc_clk; 125 #endif 126 #if defined(CONFIG_MPC8220) 127 unsigned long bExtUart; 128 unsigned long inp_clk; 129 unsigned long vco_clk; 130 unsigned long pev_clk; 131 unsigned long flb_clk; 132 #endif 133 phys_size_t ram_size; /* RAM size */ 134 unsigned long reset_status; /* reset status register at boot */ 135 #if defined(CONFIG_MPC83xx) 136 unsigned long arbiter_event_attributes; 137 unsigned long arbiter_event_address; 138 #endif 139 unsigned long env_addr; /* Address of Environment struct */ 140 unsigned long env_valid; /* Checksum of Environment valid? */ 141 unsigned long have_console; /* serial_init() was called */ 142 #ifdef CONFIG_PRE_CONSOLE_BUFFER 143 unsigned long precon_buf_idx; /* Pre-Console buffer index */ 144 #endif 145 #if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2) 146 unsigned int dp_alloc_base; 147 unsigned int dp_alloc_top; 148 #endif 149 #if defined(CONFIG_4xx) 150 u32 uart_clk; 151 #endif /* CONFIG_4xx */ 152 #if defined(CONFIG_SYS_GT_6426x) 153 unsigned int mirror_hack[16]; 154 #endif 155 #if defined(CONFIG_A3000) || \ 156 defined(CONFIG_HIDDEN_DRAGON) || \ 157 defined(CONFIG_MUSENKI) || \ 158 defined(CONFIG_SANDPOINT) 159 void * console_addr; 160 #endif 161 unsigned long relocaddr; /* Start address of U-Boot in RAM */ 162 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) 163 unsigned long fb_base; /* Base address of framebuffer memory */ 164 #endif 165 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) 166 unsigned long post_log_word; /* Record POST activities */ 167 unsigned long post_log_res; /* success of POST test */ 168 unsigned long post_init_f_time; /* When post_init_f started */ 169 #endif 170 #ifdef CONFIG_BOARD_TYPES 171 unsigned long board_type; 172 #endif 173 #ifdef CONFIG_MODEM_SUPPORT 174 unsigned long do_mdm_init; 175 unsigned long be_quiet; 176 #endif 177 #if defined(CONFIG_LWMON) || defined(CONFIG_LWMON5) 178 unsigned long kbd_status; 179 #endif 180 #ifdef CONFIG_SYS_FPGA_COUNT 181 unsigned fpga_state[CONFIG_SYS_FPGA_COUNT]; 182 #endif 183 #if defined(CONFIG_WD_MAX_RATE) 184 unsigned long long wdt_last; /* trace watch-dog triggering rate */ 185 #endif 186 void **jt; /* jump table */ 187 char env_buf[32]; /* buffer for getenv() before reloc. */ 188 struct arch_global_data arch; /* architecture-specific data */ 189 } gd_t; 190 191 #include <asm-generic/global_data_flags.h> 192 193 #if 1 194 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r2") 195 #else /* We could use plain global data, but the resulting code is bigger */ 196 #define XTRN_DECLARE_GLOBAL_DATA_PTR extern 197 #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \ 198 gd_t *gd 199 #endif 200 201 #endif /* __ASM_GBL_DATA_H */ 202