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Diffstat (limited to 'c/src/lib/libbsp/powerpc/shared/vme/VMEConfig.h')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/shared/vme/VMEConfig.h | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/c/src/lib/libbsp/powerpc/shared/vme/VMEConfig.h b/c/src/lib/libbsp/powerpc/shared/vme/VMEConfig.h deleted file mode 100644 index 9b355819f1..0000000000 --- a/c/src/lib/libbsp/powerpc/shared/vme/VMEConfig.h +++ /dev/null @@ -1,233 +0,0 @@ -#ifndef RTEMS_BSP_VME_CONFIG_H -#define RTEMS_BSP_VME_CONFIG_H - -/* BSP specific address space configuration parameters */ - -/* - * Authorship - * ---------- - * This software was created by - * Till Straumann <strauman@slac.stanford.edu>, 2002, - * Stanford Linear Accelerator Center, Stanford University. - * - * Acknowledgement of sponsorship - * ------------------------------ - * This software was produced by - * the Stanford Linear Accelerator Center, Stanford University, - * under Contract DE-AC03-76SFO0515 with the Department of Energy. - * - * Government disclaimer of liability - * ---------------------------------- - * Neither the United States nor the United States Department of Energy, - * nor any of their employees, makes any warranty, express or implied, or - * assumes any legal liability or responsibility for the accuracy, - * completeness, or usefulness of any data, apparatus, product, or process - * disclosed, or represents that its use would not infringe privately owned - * rights. - * - * Stanford disclaimer of liability - * -------------------------------- - * Stanford University makes no representations or warranties, express or - * implied, nor assumes any liability for the use of this software. - * - * Stanford disclaimer of copyright - * -------------------------------- - * Stanford University, owner of the copyright, hereby disclaims its - * copyright and all other rights in this software. Hence, anyone may - * freely use it for any purpose without restriction. - * - * Maintenance of notices - * ---------------------- - * In the interest of clarity regarding the origin and status of this - * SLAC software, this and all the preceding Stanford University notices - * are to remain affixed to any copy or derivative of this software made - * or distributed by the recipient and are to be affixed to any copy of - * software made or distributed by the recipient that contains a copy or - * derivative of this software. - * - * ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03 - */ - -/* - * The BSP maps VME address ranges into - * one BAT. - * NOTE: the BSP (startup/bspstart.c) uses - * hardcoded window lengths that match this - * layout: - * - * BSP_VME_BAT_IDX defines - * which BAT to use for mapping the VME bus. - * If this is undefined, no extra BAT will be - * configured and VME has to share the available - * PCI address space with PCI devices. - * - * If you do define BSP_VME_BAT_IDX you must - * make sure the corresponding BAT is really - * available and unused! - */ - -#if defined(mvme2100) -#define _VME_A32_WIN0_ON_PCI 0x90000000 -#define _VME_A24_ON_PCI 0x9f000000 -#define _VME_A16_ON_PCI 0x9fff0000 -#define BSP_VME_BAT_IDX 1 -#else -#define _VME_A32_WIN0_ON_PCI 0x10000000 -#define _VME_A24_ON_PCI 0x1f000000 -#define _VME_A16_ON_PCI 0x1fff0000 -#define BSP_VME_BAT_IDX 0 -#endif - -/* start of the A32 window on the VME bus - * TODO: this should perhaps be a run-time configuration option - */ -#define _VME_A32_WIN0_ON_VME 0x20000000 - -/* if _VME_DRAM_OFFSET is defined, the BSP - * will map the board RAM onto the VME bus, starting - * at _VME_DRAM_OFFSET - */ -#define _VME_DRAM_OFFSET 0xc0000000 - -/* Define BSP_PCI_VME_DRIVER_DOES_EOI to let the vmeUniverse - * driver (Tsi148 driver doesn't implement this) implement - * VME IRQ priorities in software. - * - * Here's how this works: - * - * 1) VME IRQ happens - * 2) universe propagates IRQ to PCI/PPC/main interrupt - * controller ('PIC' - programmable interrupt controller). - * 3) PIC driver dispatches universe driver's ISR - * 4) universe driver ISR acknowledges IRQ on VME, - * determines VME vector. - * ++++++++++++ stuff between ++ signs is related to SW priorities +++++++++ - * 5) universe driver *masks* all VME IRQ levels <= interrupting - * level. - * 6) universe driver calls PIC driver's 'EOI' routine. - * This effectively re-enables PCI and hence higher - * level VME interrupts. - * 7) universe driver dispatches user VME ISR. - * - * ++>> HIGHER PRIORITY VME IRQ COULD HAPPEN HERE and would be handled <<++ - * - * 8) user ISR returns, universe driver re-enables lower - * level VME interrupts, returns. - * 9) universe driver ISR returns control to PIC driver - * 10) PIC driver *omits* regular EOI sequence since this - * was already done by universe driver (step 6). - * ++++++++++++ end of special handling (SW priorities) ++++++++++++++++++++ - * 11) PIC driver ISR dispatcher returns. - * - * Note that the BSP *MUST* provide the following hooks - * in order for this to work: - * a) bsp.h must define the symbol BSP_PIC_DO_EOI to - * a sequence of instructions that terminates an - * interrupt at the interrupt controller. - * b) The interrupt controller driver must check the - * interrupt source and *must omit* running the EOI - * sequence if the interrupt source is the vmeUniverse - * (because the universe driver already ran BSP_PIC_DO_EOI) - * The interrupt controller must define the variable - * - * int _BSP_vme_bridge_irq = -1; - * - * which is assigned the universe's interrupt line information - * by vme_universe.c:BSP_VMEIrqMgrInstall(). The interrupt - * controller driver may use this variable to determine - * if an IRQ was caused by the universe. - * - * c) define BSP_PCI_VME_DRIVER_DOES_EOI - * - * NOTE: If a) and b) are not implemented by the BSP - * BSP_PCI_VME_DRIVER_DOES_EOI must be *undefined*. - */ -#define BSP_PCI_VME_DRIVER_DOES_EOI - -#ifdef BSP_PCI_VME_DRIVER_DOES_EOI -/* don't reference vmeUniverse0PciIrqLine directly from the irq - * controller driver - leave it up to BSP_VMEIrqMgrInstall() to - * set _BSP_vme_bridge_irq. That way, we can avoid linking - * the universe driver if VME is unused... - */ -extern int _BSP_vme_bridge_irq; -#endif - -/* If your BSP requires a non-standard way to configure - * the VME interrupt manager then define the symbol - * - * BSP_VME_UNIVERSE_INSTALL_IRQ_MGR - * - * to a proper instruction sequence that installs the - * universe interrupt manager. This requires knowledge - * of the wiring between the universe and the PIC (main - * interrupt controller), i.e., which IRQ 'pins' of the - * universe are wired to which 'lines'/inputs at the PIC. - * (consult vmeUniverse.h for more information). - * - * When installing the universe IRQ manager it is also - * possible to specify whether it should try to share - * PIC interrupts with other sources. This might not - * be supported by all BSPs (but the unverse driver - * recognizes that). - * - * If BSP_VME_UNIVERSE_INSTALL_IRQ_MGR is undefined then - * the default algorithm is used (vme_universe.c): - * - * This default setup uses only a single wire. It reads - * the PIC 'line' from PCI configuration space and assumes - * this to be wired to the first (LIRQ0) IRQ input at the - * universe. The default setup tries to use interrupt - * sharing. - */ - -#include <bsp/motorola.h> -#include <bsp/pci.h> - -#define BSP_VME_UNIVERSE_INSTALL_IRQ_MGR(err) \ -do { \ -int bus, dev, i = 0, j; \ -const struct _int_map *bspmap; \ - /* install the VME interrupt manager; \ - * if there's a bsp route map, use it to \ - * configure additional lines... \ - */ \ - err = -1; \ - if (0 == pci_find_device(0x10e3, 0x0000, 0, &bus, &dev, &i)){ \ - if ( (bspmap = motorolaIntMap(currentBoard)) ) { \ - for ( i=0; bspmap[i].bus >= 0; i++ ) { \ - if ( bspmap[i].bus == bus && bspmap[i].slot == dev ) { \ - int pins[5], names[4]; \ - /* found it; use info here... */ \ - /* copy up to 4 entries; terminated with -1 pin */ \ - for ( j=0; \ - j<5 && (pins[j]=bspmap[i].pin_route[j].pin-1)>=0; \ - j++) { \ - names[j] = bspmap[i].pin_route[j].int_name[0]; \ - } \ - pins[4] = -1; \ - if ( 0 == vmeUniverseInstallIrqMgrAlt( \ - VMEUNIVERSE_IRQ_MGR_FLAG_SHARED, /* shared IRQs */\ - pins[0], names[0], \ - pins[1], names[1], \ - pins[2], names[2], \ - pins[3], names[3], \ - -1) ) { \ - i = -1; \ - break; \ - } \ - } \ - } \ - } \ - if ( i >= 0 ) \ - err = vmeUniverseInstallIrqMgrAlt( \ - VMEUNIVERSE_IRQ_MGR_FLAG_SHARED, \ - 0,-1, \ - -1); \ - } \ -} while (0) - -extern int BSP_VMEInit(void); -extern int BSP_VMEIrqMgrInstall(void); - -#endif |