diff options
Diffstat (limited to 'bsps')
| -rw-r--r-- | bsps/powerpc/qoriq/include/bsp/VMEConfig.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/bsps/powerpc/qoriq/include/bsp/VMEConfig.h b/bsps/powerpc/qoriq/include/bsp/VMEConfig.h index 79c22d137a..4bb7c0d62f 100644 --- a/bsps/powerpc/qoriq/include/bsp/VMEConfig.h +++ b/bsps/powerpc/qoriq/include/bsp/VMEConfig.h @@ -7,6 +7,9 @@ * * @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. */ /* @@ -43,6 +46,53 @@ extern "C" { #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 */ |