1 files changed, 98 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/shared/vme/VME.h b/c/src/lib/libbsp/powerpc/shared/vme/VME.h
new file mode 100644
index 0000000000..a7aea8a3bd
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/shared/vme/VME.h
@@ -0,0 +1,98 @@
+#ifndef RTEMS_BSP_VME_UNIVERSE_H
+#define RTEMS_BSP_VME_UNIVERSE_H
+/* $Id$ */
+
+/* SVGM et al. BSP's VME support */
+/* Author: Till Straumann, <strauman@slac.stanford.edu> */
+
+/* pull in bsp.h */
+#include <bsp.h>
+/* our VME bridge */
+#include <bsp/vmeUniverse.h>
+/* our address space configuration */
+#include <bsp/VMEConfig.h>
+
+/* VME related declarations */
+/* how to map a VME address to the CPU local bus.
+ * Note that this traverses two bridges:
+ * the grackle and the universe. For the
+ * Universe, there is a lookup procedure while
+ * we assume a 1:1 mapping for the grackle...
+ */
+
+/* NOTE about the fast mapping macros:
+ * using these macros is only safe if the user app
+ * does _NOT_ change the universe mappings!
+ * While changing the PCI windows probably doesn't
+ * make much sense (involves changing the MMU/DBATs as well),
+ * The user might wish to change the VME address
+ * layout, i.e. by remapping _VME_A32_WIN0_ON_VME
+ * and _VME_DRAM_OFFSET...
+ * Hence, using the A24 and A16 macros is probably safe.
+ */
+
+#define BSP_vme_init() \
+	vmeUniverseInit
+
+/* translate through host bridge and vme master window of vme bridge */
+static inline int
+BSP_vme2local_adrs(unsigned am, unsigned long vmeaddr, unsigned long *plocaladdr)
+{
+int rval=vmeUniverseXlateAddr(1,0,am,vmeaddr,plocaladdr);
+	*plocaladdr+=PCI_MEM_BASE;
+	return rval;
+}
+
+/* when using this macro, the universe setup MUST NOT BE
+ * CHANGED by the application...
+ */
+#define BSP_vme2local_A32_fast(vmeaddr) \
+	((vmeaddr)-_VME_A32_WIN0_ON_VME + _VME_A32_WIN0_ON_PCI + PCI_MEM_BASE)
+#define BSP_vme2local_A24_fast(vmeaddr) \
+	(((vmeaddr)&0x7ffffff)+_VME_A24_ON_PCI + PCI_MEM_BASE)
+#define BSP_vme2local_A16_fast(vmeaddr) \
+	(((vmeaddr)&0xffff)+_VME_A16_ON_PCI + PCI_MEM_BASE)
+
+/* how a CPU address is mapped to the VME bus (if at all)
+ */
+static inline int
+BSP_local2vme_adrs(unsigned am, unsigned long localaddr, unsigned long *pvmeaddr)
+{
+return vmeUniverseXlateAddr(0, 0, am,localaddr+PCI_DRAM_OFFSET,pvmeaddr);
+}
+
+#define BSP_localdram2vme_fast(localaddr) \
+	((localaddr)+_VME_DRAM_OFFSET)
+
+/* interrupt handlers and levels */
+typedef void (*BSP_VME_ISR_t)(void *usrArg, unsigned long vector);
+
+#define BSP_installVME_isr(vector, handler, arg) \
+	vmeUniverseInstallISR(vector, handler, arg)
+
+#define BSP_removeVME_isr(vector, handler, arg) \
+	vmeUniverseRemoveISR(vector, handler, arg)
+
+/* retrieve the currently installed ISR for a given vector */
+#define BSP_getVME_isr(vector, parg) \
+    vmeUniverseISRGet(vector, parg)
+
+#define BSP_enableVME_int_lvl(level) \
+	vmeUniverseIntEnable(level)
+
+#define BSP_disableVME_int_lvl(level) \
+	vmeUniverseIntDisable(level)
+
+/* 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
+extern int _BSP_vme_bridge_irq;
+/* 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...
+ */
+#define BSP_PCI_VME_BRIDGE_IRQ _BSP_vme_bridge_irq
+
+#endif