source: rtems/c/src/lib/libbsp/powerpc/mvme5500/vme/vmeconfig.c @ f774fc06

4.104.114.84.9
Last change on this file since f774fc06 was f774fc06, checked in by Till Straumann <strauman@…>, on Jan 17, 2007 at 5:45:14 AM

2007-01-16 Till Straumann <strauman@…>

  • ep1a/vme/vmeconfig.c, mvme5500/pci/pcifinddevice.c,
  • mvme5500/startup/pgtbl_activate.c, mvme5500/vectors/bspException.h,
  • mvme5500/vectors/exceptionhandler.c, mvme5500/vme/VME.h,
  • mvme5500/vme/vmeconfig.c, score603e/vme/vmeconfig.c, shared/pci/pcifinddevice.c,
  • shared/startup/pgtbl_activate.c, shared/startup/pgtbl_setup.c,
  • shared/startup/probeMemEnd.c, shared/startup/sbrk.c, shared/vme/VME.h,
  • shared/vme/VMEConfig.h, shared/vme/vme_universe.c, shared/vme/vmeconfig.c: Added SLAC/Stanford Authorship Note / Copyright + Liability Disclaimer.
  • Property mode set to 100644
File size: 3.9 KB
Line 
1/* vmeconfig.c,v 1.1.2.2 2003/03/25 16:46:01 joel Exp */
2
3/* Standard VME bridge configuration for PPC boards */
4
5/*
6 * Authorship
7 * ----------
8 * This software was created by
9 *     Till Straumann <strauman@slac.stanford.edu>, 3/2002,
10 *         Stanford Linear Accelerator Center, Stanford University.
11 *
12 * Acknowledgement of sponsorship
13 * ------------------------------
14 * This software was produced by
15 *     the Stanford Linear Accelerator Center, Stanford University,
16 *         under Contract DE-AC03-76SFO0515 with the Department of Energy.
17 *
18 * Government disclaimer of liability
19 * ----------------------------------
20 * Neither the United States nor the United States Department of Energy,
21 * nor any of their employees, makes any warranty, express or implied, or
22 * assumes any legal liability or responsibility for the accuracy,
23 * completeness, or usefulness of any data, apparatus, product, or process
24 * disclosed, or represents that its use would not infringe privately owned
25 * rights.
26 *
27 * Stanford disclaimer of liability
28 * --------------------------------
29 * Stanford University makes no representations or warranties, express or
30 * implied, nor assumes any liability for the use of this software.
31 *
32 * Stanford disclaimer of copyright
33 * --------------------------------
34 * Stanford University, owner of the copyright, hereby disclaims its
35 * copyright and all other rights in this software.  Hence, anyone may
36 * freely use it for any purpose without restriction. 
37 *
38 * Maintenance of notices
39 * ----------------------
40 * In the interest of clarity regarding the origin and status of this
41 * SLAC software, this and all the preceding Stanford University notices
42 * are to remain affixed to any copy or derivative of this software made
43 * or distributed by the recipient and are to be affixed to any copy of
44 * software made or distributed by the recipient that contains a copy or
45 * derivative of this software.
46 *
47 * ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03
48 */ 
49
50/* Copyright 2004, Brookhaven National Lab. and S. Kate Feng <feng1@bnl.gov>
51 * Modified to support the MVME5500, 3/2004
52 */
53
54#include <bsp.h>
55#include <bsp/VME.h>
56#include <bsp/irq.h>
57#include <libcpu/bat.h>
58
59/* Use a weak alias for the VME configuration.
60 * This permits individual applications to override
61 * this routine.
62 * They may even create an 'empty'
63 *
64 *    void BSP_vme_config(void) {}
65 *
66 * which will avoid linking in the Universe driver
67 * at all :-).
68 */
69
70void BSP_vme_config(void) __attribute__ (( weak, alias("__BSP_default_vme_config") ));
71
72void
73__BSP_default_vme_config(void)
74{
75
76  vmeUniverseInit();
77  vmeUniverseReset();
78
79  /* setup a PCI0 area to map the VME bus */
80  setdbat(0,_VME_A32_WIN0_ON_PCI, _VME_A32_WIN0_ON_PCI, 0x10000000, IO_PAGE);
81
82  /* map VME address ranges */
83  vmeUniverseMasterPortCfg(
84        0,
85        VME_AM_EXT_SUP_DATA,
86        _VME_A32_WIN0_ON_VME,
87        _VME_A32_WIN0_ON_PCI,
88        0x0F000000);
89  vmeUniverseMasterPortCfg(
90        1,
91        VME_AM_STD_SUP_DATA,
92        0x00000000,
93        _VME_A24_ON_PCI,
94        0x00ff0000);
95  vmeUniverseMasterPortCfg(
96        2,
97        VME_AM_SUP_SHORT_IO,
98        0x00000000,
99        _VME_A16_ON_PCI,
100        0x00010000);
101
102#ifdef _VME_DRAM_OFFSET
103  /* map our memory to VME */
104  vmeUniverseSlavePortCfg(
105        0,
106        VME_AM_EXT_SUP_DATA,
107        _VME_DRAM_OFFSET,
108        PCI_DRAM_OFFSET,
109        BSP_mem_size);
110
111  /* make sure the host bridge PCI master is enabled */
112  vmeUniverseWriteReg(
113        vmeUniverseReadReg(UNIV_REGOFF_PCI_CSR) | UNIV_PCI_CSR_BM,
114        UNIV_REGOFF_PCI_CSR);
115#endif
116
117  /* stdio is not yet initialized; the driver will revert to printk */
118  vmeUniverseMasterPortsShow(0);
119  vmeUniverseSlavePortsShow(0);
120
121  /* install the VME insterrupt manager */
122  vmeUniverseInstallIrqMgr(0,64+12,1,64+13);   
123  if (vmeUniverse0PciIrqLine<0)
124        BSP_panic("Unable to get interrupt line info from PCI config");
125  _BSP_vme_bridge_irq= BSP_GPP_IRQ_LOWEST_OFFSET+vmeUniverse0PciIrqLine;
126  /* install alternate resetter  TODO
127  __BSP_alternate_reset = vmeUniverseResetBus;*/
128}
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