OpenWrt – Blame information for rev 1
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1 | office | 1 | /* |
2 | * (C) Copyright 2002-2003 |
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3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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4 | * |
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5 | * See file CREDITS for list of people who contributed to this |
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6 | * project. |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or |
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9 | * modify it under the terms of the GNU General Public License as |
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10 | * published by the Free Software Foundation; either version 2 of |
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11 | * the License, or (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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21 | * MA 02111-1307 USA |
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22 | */ |
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23 | |||
24 | #ifndef __ASM_GBL_DATA_H |
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25 | #define __ASM_GBL_DATA_H |
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26 | |||
27 | #include <asm/regdef.h> |
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28 | |||
29 | /* |
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30 | * The following data structure is placed in some memory wich is |
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31 | * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or |
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32 | * some locked parts of the data cache) to allow for a minimum set of |
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33 | * global variables during system initialization (until we have set |
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34 | * up the memory controller so that we can use RAM). |
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35 | * |
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36 | * Keep it *SMALL* and remember to set CFG_GBL_DATA_SIZE > sizeof(gd_t) |
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37 | */ |
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38 | |||
39 | typedef struct global_data { |
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40 | bd_t *bd; |
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41 | unsigned long flags; |
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42 | unsigned long baudrate; |
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43 | unsigned long have_console; /* serial_init() was called */ |
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44 | unsigned long ram_size; /* RAM size */ |
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45 | unsigned long reloc_off; /* Relocation Offset */ |
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46 | unsigned long env_addr; /* Address of Environment struct */ |
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47 | unsigned long env_valid; /* Checksum of Environment valid? */ |
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48 | void **jt; /* jump table */ |
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49 | } gd_t; |
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50 | |||
51 | /* |
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52 | * Global Data Flags |
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53 | */ |
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54 | #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ |
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55 | #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ |
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56 | #define GD_FLG_SILENT 0x00004 /* Silent mode */ |
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57 | |||
58 | #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("k0") |
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59 | |||
60 | #endif /* __ASM_GBL_DATA_H */ |