diff options
Diffstat (limited to 'bsps/sparc/include/drvmgr/ambapp_bus.h')
| -rw-r--r-- | bsps/sparc/include/drvmgr/ambapp_bus.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/bsps/sparc/include/drvmgr/ambapp_bus.h b/bsps/sparc/include/drvmgr/ambapp_bus.h new file mode 100644 index 0000000000..d034aae3a3 --- /dev/null +++ b/bsps/sparc/include/drvmgr/ambapp_bus.h @@ -0,0 +1,142 @@ +/* General part of a AMBA Plug & Play bus driver. + * + * COPYRIGHT (c) 2008. + * Cobham Gaisler AB. + * + * This is the general part of the different AMBA Plug & Play + * drivers. The drivers are wrappers around this driver, making + * the code size smaller for systems with multiple AMBA Plug & + * Play buses. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#ifndef __AMBAPP_BUS_H__ +#define __AMBAPP_BUS_H__ + +#include <drvmgr/drvmgr.h> +#include <ambapp.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* GRLIB AMBA Plug&Play Driver ID generation */ +#define DRIVER_AMBAPP_ID(vendor, device) \ + DRIVER_ID(DRVMGR_BUS_TYPE_AMBAPP, ((((vendor) & 0xff) << 16) | ((device) & 0xfff))) + +/*** Gaisler Hardware Device Driver IDs ***/ +#define DRIVER_AMBAPP_GAISLER_AHBSTAT_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_AHBSTAT) +#define DRIVER_AMBAPP_GAISLER_APBUART_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_APBUART) +#define DRIVER_AMBAPP_GAISLER_B1553BRM_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_B1553BRM) +#define DRIVER_AMBAPP_GAISLER_B1553RT_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_B1553RT) +#define DRIVER_AMBAPP_GAISLER_GPTIMER_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_GPTIMER) +#define DRIVER_AMBAPP_GAISLER_GR1553B_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_GR1553B) +#define DRIVER_AMBAPP_GAISLER_GRADCDAC_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_GRADCDAC) +#define DRIVER_AMBAPP_GAISLER_GRAES_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_GRAESDMA) +#define DRIVER_AMBAPP_GAISLER_GRCAN_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_GRCAN) +#define DRIVER_AMBAPP_GAISLER_GRCTM_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_GRCTM) +#define DRIVER_AMBAPP_GAISLER_GRETH_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_ETHMAC) +#define DRIVER_AMBAPP_GAISLER_GRGPIO_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_GPIO) +#define DRIVER_AMBAPP_GAISLER_GRPCI2_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_GRPCI2) +#define DRIVER_AMBAPP_GAISLER_GRIOMMU_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_GRIOMMU) +#define DRIVER_AMBAPP_GAISLER_GRPCI_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_PCIFBRG) +#define DRIVER_AMBAPP_GAISLER_GRPWM_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_GRPWM) +#define DRIVER_AMBAPP_GAISLER_GRPWRX_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_PW2APB) +#define DRIVER_AMBAPP_GAISLER_GRSPW_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_SPW) +#define DRIVER_AMBAPP_GAISLER_GRSPW2_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_SPW2) +#define DRIVER_AMBAPP_GAISLER_GRTC_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_GRTC) +#define DRIVER_AMBAPP_GAISLER_GRTM_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_GRTM) +#define DRIVER_AMBAPP_GAISLER_I2CMST_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_I2CMST) +#define DRIVER_AMBAPP_GAISLER_OCCAN_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_CANAHB) +#define DRIVER_AMBAPP_GAISLER_PCIF_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_PCIF) +#define DRIVER_AMBAPP_GAISLER_PCITRACE_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_PCITRACE) +#define DRIVER_AMBAPP_GAISLER_SPICTRL_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_SPICTRL) +#define DRIVER_AMBAPP_GAISLER_SPWCUC_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_SPWCUC) +#define DRIVER_AMBAPP_GAISLER_SPW_ROUTER_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_SPW_ROUTER) +#define DRIVER_AMBAPP_GAISLER_L2CACHE_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_L2CACHE) +#define DRIVER_AMBAPP_GAISLER_MEMSCRUB_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_MEMSCRUB) +#define DRIVER_AMBAPP_GAISLER_L4STAT_ID DRIVER_AMBAPP_ID(VENDOR_GAISLER, GAISLER_L4STAT) + +/*** ESA Hardware Device Driver IDs ***/ +#define DRIVER_AMBAPP_ESA_MCTRL_ID DRIVER_AMBAPP_ID(VENDOR_ESA, ESA_MCTRL) +#define DRIVER_AMBAPP_MCTRL_ID DRIVER_AMBAPP_ESA_MCTRL_ID + +struct amba_dev_id { + unsigned short vendor; + unsigned short device; + /* Version ? */ +}; + +struct amba_drv_info { + struct drvmgr_drv general; /* General bus info */ + /* AMBA specific bus information */ + struct amba_dev_id *ids; /* Supported hardware */ +}; + +struct amba_dev_info { + struct amba_dev_id id; + struct ambapp_core info; +}; + +struct ambapp_ops { + int (*int_register) + (struct drvmgr_dev *dev, int index, const char *info, drvmgr_isr isr, void *arg); + int (*int_unregister) + (struct drvmgr_dev *dev, int index, drvmgr_isr isr, void *arg); + int (*int_clear)(struct drvmgr_dev *dev, int index); + int (*int_mask)(struct drvmgr_dev *dev, int index); + int (*int_unmask)(struct drvmgr_dev *dev, int index); +#ifdef RTEMS_SMP + int (*int_set_affinity)(struct drvmgr_dev *dev, int index, + const Processor_mask *cpus); +#endif + int (*get_params) + (struct drvmgr_dev *, struct drvmgr_bus_params *); +}; + +struct ambapp_config { + struct ambapp_bus *abus; /* Prescanned AMBA PnP bus */ + struct ambapp_ops *ops; /* AMBA bus operations */ + struct drvmgr_map_entry *maps_up; /* Bus memory map up-stream towards CPU */ + struct drvmgr_map_entry *maps_down; /* Bus memory map down-stream towards HW */ + struct drvmgr_bus_res *resources; /* Driver Resources */ + int bus_type; /* Set DRVMGR_BUS_TYPE_AMBAPP_DIST if distributed AMBA Bus */ + struct drvmgr_func *funcs; /* Custom functions */ +}; + +/*** Bus operations with READ/WRITE access operations *** + * + * The functions are implemented using the standard drvmgr RW interface + */ +#define AMBAPP_R8 DRVMGR_RWFUNC(RW_SIZE_1|RW_READ|RW_REG) +#define AMBAPP_R16 DRVMGR_RWFUNC(RW_SIZE_2|RW_READ|RW_REG) +#define AMBAPP_R32 DRVMGR_RWFUNC(RW_SIZE_4|RW_READ|RW_REG) +#define AMBAPP_R64 DRVMGR_RWFUNC(RW_SIZE_8|RW_READ|RW_REG) +#define AMBAPP_W8 DRVMGR_RWFUNC(RW_SIZE_1|RW_WRITE|RW_REG) +#define AMBAPP_W16 DRVMGR_RWFUNC(RW_SIZE_2|RW_WRITE|RW_REG) +#define AMBAPP_W32 DRVMGR_RWFUNC(RW_SIZE_4|RW_WRITE|RW_REG) +#define AMBAPP_W64 DRVMGR_RWFUNC(RW_SIZE_8|RW_WRITE|RW_REG) +#define AMBAPP_RMEM DRVMGR_RWFUNC(RW_SIZE_ANY|RW_READ|RW_MEM) +#define AMBAPP_WMEM DRVMGR_RWFUNC(RW_SIZE_ANY|RW_WRITE|RW_MEM) +#define AMBAPP_MEMSET DRVMGR_RWFUNC(RW_SIZE_ANY|RW_SET|RW_MEM) +#define AMBAPP_RW_ARG DRVMGR_RWFUNC(RW_ARG) + +/* Register an ambapp bus on-top of a device */ +extern int ambapp_bus_register( + struct drvmgr_dev *dev, + struct ambapp_config *config + ); + +extern void ambapp_bus_freq_register( + struct drvmgr_dev *dev, + int amba_interface, + unsigned int freq_hz); + +#ifdef __cplusplus +} +#endif + +#endif |