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/* 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
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