[7150f00f] | 1 | /*-------------------------------------------------------------------------+ |
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| 2 | | This file contains the PC386 BSP startup package. It includes application, |
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| 3 | | board, and monitor specific initialization and configuration. The generic CPU |
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[6128a4a] | 4 | | dependent initialization has been performed before this routine is invoked. |
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[7150f00f] | 5 | +--------------------------------------------------------------------------+ |
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| 6 | | (C) Copyright 1997 - |
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| 7 | | - NavIST Group - Real-Time Distributed Systems and Industrial Automation |
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| 8 | | |
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| 9 | | http://pandora.ist.utl.pt |
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| 10 | | |
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| 11 | | Instituto Superior Tecnico * Lisboa * PORTUGAL |
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| 12 | +--------------------------------------------------------------------------+ |
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| 13 | | Disclaimer: |
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| 14 | | |
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| 15 | | This file is provided "AS IS" without warranty of any kind, either |
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| 16 | | expressed or implied. |
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| 17 | +--------------------------------------------------------------------------+ |
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| 18 | | This code is based on: |
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| 19 | | bspstart.c,v 1.8 1996/05/28 13:12:40 joel Exp - go32 BSP |
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| 20 | | With the following copyright notice: |
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| 21 | | ************************************************************************** |
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[ef37cb6] | 22 | | * COPYRIGHT (c) 1989-2008. |
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[6f9c75c3] | 23 | | * On-Line Applications Research Corporation (OAR). |
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| 24 | | * |
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| 25 | | * The license and distribution terms for this file may be |
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[ba64905] | 26 | | * found in the file LICENSE in this distribution or at |
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[c499856] | 27 | | * http://www.rtems.org/license/LICENSE. |
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[7150f00f] | 28 | | ************************************************************************** |
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| 29 | +--------------------------------------------------------------------------*/ |
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| 30 | |
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| 31 | #include <bsp.h> |
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[8a7ed82] | 32 | #include <bsp/irq.h> |
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[71319f77] | 33 | #include <rtems/pci.h> |
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[ab0df696] | 34 | #include <libcpu/cpuModel.h> |
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| 35 | |
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[6128a4a] | 36 | /* |
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[ef37cb6] | 37 | * External routines |
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[662c157] | 38 | */ |
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[8a7ed82] | 39 | void Clock_driver_install_handler(void); |
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[e3a1d425] | 40 | |
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[7150f00f] | 41 | /*-------------------------------------------------------------------------+ |
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[e2a2ec60] | 42 | | Function: bsp_start |
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| 43 | | Description: Called before main is invoked. |
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[7150f00f] | 44 | | Global Variables: None. |
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| 45 | | Arguments: None. |
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[6128a4a] | 46 | | Returns: Nothing. |
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[7150f00f] | 47 | +--------------------------------------------------------------------------*/ |
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[3785ed6c] | 48 | static void bsp_start_default( void ) |
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[7150f00f] | 49 | { |
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[71319f77] | 50 | int pci_init_retval; |
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[6128a4a] | 51 | |
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[ef37cb6] | 52 | /* |
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| 53 | * We need to determine how much memory there is in the system. |
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| 54 | */ |
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| 55 | bsp_size_memory(); |
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| 56 | |
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[eff217e] | 57 | /* |
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| 58 | * Calibrate variable for 1ms-loop (see timer.c) |
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| 59 | */ |
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| 60 | Calibrate_loop_1ms(); |
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[8a496e46] | 61 | |
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[67a2288] | 62 | /* |
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[eb562f2] | 63 | * Init rtems interrupt management |
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[67a2288] | 64 | */ |
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| 65 | rtems_irq_mngt_init(); |
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[45550867] | 66 | |
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[eb562f2] | 67 | /* |
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| 68 | * Init rtems exceptions management |
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| 69 | */ |
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| 70 | rtems_exception_init_mngt(); |
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[71319f77] | 71 | |
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| 72 | /* |
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| 73 | * init PCI Bios interface... |
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| 74 | */ |
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| 75 | pci_init_retval = pci_initialize(); |
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| 76 | if (pci_init_retval != PCIB_ERR_SUCCESS) { |
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| 77 | printk("PCI bus: could not initialize PCI BIOS interface\n"); |
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| 78 | } |
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[1c5ebc5] | 79 | |
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[8a7ed82] | 80 | Clock_driver_install_handler(); |
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| 81 | |
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[93546b8] | 82 | #if BSP_ENABLE_IDE |
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[45550867] | 83 | bsp_ide_cmdline_init(); |
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[93546b8] | 84 | #endif |
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[1c5ebc5] | 85 | |
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[3785ed6c] | 86 | } /* bsp_start_default */ |
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[45544f0] | 87 | |
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| 88 | /* |
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| 89 | * By making this a weak alias for bsp_start_default, a brave soul |
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| 90 | * can override the actual bsp_start routine used. |
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| 91 | */ |
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| 92 | void bsp_start (void) __attribute__ ((weak, alias("bsp_start_default"))); |
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