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/* LEON3 GRLIB AMBA Plug & Play bus driver.
*
* COPYRIGHT (c) 2008.
* Cobham Gaisler AB.
*
* This is driver is a wrapper for the general AMBA Plug & Play bus
* driver. This is the root bus driver for GRLIB systems.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <libcpu/access.h>
#include <drvmgr/ambapp_bus.h>
#include <drvmgr/ambapp_bus_grlib.h>
#include <genirq.h>
#include <bsp.h>
#define DBG(args...)
/*#define DBG(args...) printk(args)*/
int ambapp_grlib_int_register(
struct drvmgr_dev *dev,
int irq,
const char *info,
drvmgr_isr isr,
void *arg);
int ambapp_grlib_int_unregister(
struct drvmgr_dev *dev,
int irq,
drvmgr_isr isr,
void *arg);
int ambapp_grlib_int_clear(
struct drvmgr_dev *dev,
int irq);
int ambapp_grlib_int_mask(
struct drvmgr_dev *dev,
int irq);
int ambapp_grlib_int_unmask(
struct drvmgr_dev *dev,
int irq);
int ambapp_grlib_get_params(
struct drvmgr_dev *dev,
struct drvmgr_bus_params *params);
int ambapp_grlib_init1(struct drvmgr_dev *dev);
int ambapp_grlib_init2(struct drvmgr_dev *dev);
int ambapp_grlib_remove(struct drvmgr_dev *dev);
/* READ/WRITE access to SpaceWire target over RMAP */
void *ambapp_grlib_rw_arg(struct drvmgr_dev *dev);
struct ambapp_ops ambapp_grlib_ops = {
.int_register = ambapp_grlib_int_register,
.int_unregister = ambapp_grlib_int_unregister,
.int_clear = ambapp_grlib_int_clear,
.int_mask = ambapp_grlib_int_mask,
.int_unmask = ambapp_grlib_int_unmask,
.get_params = ambapp_grlib_get_params
};
void *ambapp_grlib_rw_arg(struct drvmgr_dev *dev)
{
return dev; /* No argument really needed, but for debug? */
}
struct drvmgr_func ambapp_grlib_funcs[] =
{
DRVMGR_FUNC(AMBAPP_RW_ARG, ambapp_grlib_rw_arg),
DRVMGR_FUNC(AMBAPP_R8, _ld8),
DRVMGR_FUNC(AMBAPP_R16, _ld16),
DRVMGR_FUNC(AMBAPP_R32, _ld32),
DRVMGR_FUNC(AMBAPP_R64, _ld64),
DRVMGR_FUNC(AMBAPP_W8, _st8),
DRVMGR_FUNC(AMBAPP_W16, _st16),
DRVMGR_FUNC(AMBAPP_W32, _st32),
DRVMGR_FUNC(AMBAPP_W64, _st64),
DRVMGR_FUNC(AMBAPP_RMEM, memcpy),
DRVMGR_FUNC(AMBAPP_WMEM, memcpy),
DRVMGR_FUNC_END,
};
struct drvmgr_drv_ops ambapp_grlib_drv_ops =
{
.init = {ambapp_grlib_init1, ambapp_grlib_init2, NULL, NULL},
.remove = ambapp_grlib_remove,
.info = NULL,
};
struct drvmgr_drv ambapp_bus_drv_grlib =
{
DRVMGR_OBJ_DRV, /* Driver */
NULL, /* Next driver */
NULL, /* Device list */
DRIVER_GRLIB_AMBAPP_ID, /* Driver ID */
"AMBAPP_GRLIB_DRV", /* Driver Name */
DRVMGR_BUS_TYPE_ROOT, /* Bus Type */
&ambapp_grlib_drv_ops,
NULL, /* Funcs */
0,
0,
};
static struct grlib_config *drv_mgr_grlib_config = NULL;
void ambapp_grlib_register(void)
{
drvmgr_drv_register(&ambapp_bus_drv_grlib);
}
int ambapp_grlib_root_register(struct grlib_config *config)
{
/* Save the configuration for later */
drv_mgr_grlib_config = config;
/* Register root device driver */
drvmgr_root_drv_register(&ambapp_bus_drv_grlib);
return 0;
}
/* Function called from Driver Manager Initialization Stage 1 */
int ambapp_grlib_init1(struct drvmgr_dev *dev)
{
struct ambapp_config *config;
dev->priv = NULL;
dev->name = "GRLIB AMBA PnP";
DBG("AMBAPP GRLIB: intializing\n");
config = malloc(sizeof(struct ambapp_config));
if ( !config )
return RTEMS_NO_MEMORY;
config->ops = &ambapp_grlib_ops;
config->maps_up = DRVMGR_TRANSLATE_ONE2ONE;
config->maps_down = DRVMGR_TRANSLATE_ONE2ONE;
config->abus = drv_mgr_grlib_config->abus;
config->resources = drv_mgr_grlib_config->resources;
config->funcs = ambapp_grlib_funcs;
config->bus_type = DRVMGR_BUS_TYPE_AMBAPP;
/* Initialize the generic part of the AMBA Bus */
return ambapp_bus_register(dev, config);
}
int ambapp_grlib_init2(struct drvmgr_dev *dev)
{
return 0;
}
int ambapp_grlib_remove(struct drvmgr_dev *dev)
{
return 0;
}
int ambapp_grlib_int_register
(
struct drvmgr_dev *dev,
int irq,
const char *info,
drvmgr_isr isr,
void *arg
)
{
return BSP_shared_interrupt_register(irq, info, isr, arg);
}
int ambapp_grlib_int_unregister
(
struct drvmgr_dev *dev,
int irq,
drvmgr_isr isr,
void *arg
)
{
return BSP_shared_interrupt_unregister(irq, isr, arg);
}
int ambapp_grlib_int_clear
(
struct drvmgr_dev *dev,
int irq)
{
BSP_shared_interrupt_clear(irq);
return DRVMGR_OK;
}
int ambapp_grlib_int_mask
(
struct drvmgr_dev *dev,
int irq
)
{
BSP_shared_interrupt_mask(irq);
return DRVMGR_OK;
}
int ambapp_grlib_int_unmask
(
struct drvmgr_dev *dev,
int irq
)
{
BSP_shared_interrupt_unmask(irq);
return DRVMGR_OK;
}
int ambapp_grlib_get_params(struct drvmgr_dev *dev, struct drvmgr_bus_params *params)
{
/* Leave params->freq_hz untouched for default */
params->dev_prefix = "";
return 0;
}
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