diff options
Diffstat (limited to 'bsps/powerpc/qoriq/include/bsp/VMEConfig.h')
-rw-r--r-- | bsps/powerpc/qoriq/include/bsp/VMEConfig.h | 100 |
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 */ |