1 files changed, 100 insertions, 0 deletions
diff --git a/bsps/powerpc/qoriq/include/bsp/VMEConfig.h b/bsps/powerpc/qoriq/include/bsp/VMEConfig.h
new file mode 100644
index 0000000000..4bb7c0d62f
--- /dev/null
+++ b/bsps/powerpc/qoriq/include/bsp/VMEConfig.h
@@ -0,0 +1,100 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsPowerPCQorIQ
+ *
+ * @brief This header file provides the interfaces used by VME bus device
+ *   drivers.
+ *
+ * Note that for the MVME2500, you need the PCIe support from libbsd for this to
+ * work.
+ */
+
+/*
+ * Copyright (C) 2023 embedded brains GmbH & Co. KG
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef RTEMS_BSP_VME_CONFIG_H
+#define RTEMS_BSP_VME_CONFIG_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define _VME_DRIVER_TSI148
+
+/*
+ * Base address of the PCI that is used for the VME bridge. Value is set in
+ * libbsd during device discovery.
+ */
+extern uintptr_t bsp_vme_pcie_base_address;
+
+#define PCI_MEM_BASE 0
+#define PCI_DRAM_OFFSET 0
+
+/*
+ * NOTE: shared vmeconfig.c uses hardcoded window lengths that match this layout
+ *
+ * The memory length of the PCIe controllers on the P2020 processor is
+ * 0x20000000. The Tsi148 registers are mapped at the bsp_vme_pcie_base_address
+ * with a size of 0x1000. Therefore the VME windows are arranged a bit different
+ * then on other BSPs.
+ */
+#define _VME_A32_WIN0_ON_PCI   (bsp_vme_pcie_base_address + 0x10000000)
+#define _VME_A24_ON_PCI        (bsp_vme_pcie_base_address + 0x03000000)
+#define _VME_A16_ON_PCI        (bsp_vme_pcie_base_address + 0x02000000)
+#define _VME_CSR_ON_PCI        (bsp_vme_pcie_base_address + 0x01000000)
+
+/* FIXME: Make this a BSP config option */
+#define _VME_A32_WIN0_ON_VME 0x20000000
+
+/*
+ * FIXME: The fixed QORIQ_IRQ_EXT_0 is valid for the MVME2500 board. In theory
+ * there should be some possibility to get that information from the device tree
+ * or from PCI config space. But I didn't find it anywhere.
+ */
+#define BSP_VME_INSTALL_IRQ_MGR(err) \
+  do { \
+    err = qoriq_pic_set_sense_and_polarity(\
+      QORIQ_IRQ_EXT_0, \
+      QORIQ_EIRQ_TRIGGER_LEVEL_LOW, \
+      NULL \
+    ); \
+    if (err == 0) { \
+      err = vmeTsi148InstallIrqMgrAlt(0, 0, QORIQ_IRQ_EXT_0, -1); \
+    } \
+  } while (0)
+
+/* Add prototypes that are in all VMEConfig.h files */
+extern int BSP_VMEInit(void);
+extern int BSP_VMEIrqMgrInstall(void);
+extern unsigned short (*_BSP_clear_vmebridge_errors)(int);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* RTEMS_BSP_VME_CONFIG_H */