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Diffstat (limited to 'include/powerpc/ep1a/bsp/VMEConfig.h')
| -rw-r--r-- | include/powerpc/ep1a/bsp/VMEConfig.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/include/powerpc/ep1a/bsp/VMEConfig.h b/include/powerpc/ep1a/bsp/VMEConfig.h new file mode 100644 index 0000000000..1a57610133 --- /dev/null +++ b/include/powerpc/ep1a/bsp/VMEConfig.h @@ -0,0 +1,113 @@ +#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. + */ +#undef BSP_VME_BAT_IDX + +#define _VME_A32_WIN0_ON_PCI 0x90000000 +#define _VME_A24_ON_PCI 0x9f000000 +#define _VME_A16_ON_PCI 0x9fff0000 + +/* start of the A32 window on the VME bus + * TODO: this should perhaps be a configuration option + */ +#define _VME_A32_WIN0_ON_VME 0x20000000 + +/* if _VME_DRAM_OFFSET is defined, the BSP + * will map our RAM onto the VME bus, starting + * at _VME_DRAM_OFFSET + */ +#undef _VME_DRAM_OFFSET +#define _VME_DRAM_OFFSET 0xc0000000 +#define _VME_DRAM_32_OFFSET1 0x20000000 +#define _VME_DRAM_32_OFFSET2 0x20b00000 +#define _VME_DRAM_24_OFFSET1 0x00000000 +#define _VME_DRAM_24_OFFSET2 0x00100000 +#define _VME_DRAM_16_OFFSET1 0x00000000 +#define _VME_DRAM_16_OFFSET2 0x00008000 + +#define _VME_A24_SIZE 0x00100000 +#define _VME_A16_SIZE 0x00008000 + +#undef _VME_CSR_ON_PCI + +/* Tell the interrupt manager that the universe driver + * already called openpic_eoi() and that this step hence + * must be omitted. + */ + +#define BSP_PCI_VME_DRIVER_DOES_EOI + +/* don't reference vmeUniverse0PciIrqLine directly here - leave it up to + * bspstart() to set BSP_vme_bridge_irq. That way, we can generate variants + * of the BSP with / without the universe driver... + */ +extern int _BSP_vme_bridge_irq; + +extern int BSP_VMEInit(void); +extern int BSP_VMEIrqMgrInstall(void); + +#define BSP_VME_UNIVERSE_INSTALL_IRQ_MGR(err) \ + do { \ + err = vmeUniverseInstallIrqMgr(0,5,1,6); \ + } while (0) + +#endif |