HelenOS sources
This source file includes following definitions.
- hikey960_get_resources
- hikey960_enable_interrupt
- hikey960_get_pio_window
- hikey960_add_fun
- hikey960_add_functions
- hikey960_dev_add
- main
#include <assert.h>
#include <stdio.h>
#include <errno.h>
#include <stdbool.h>
#include <stdlib.h>
#include <ddf/driver.h>
#include <ddf/log.h>
#include <ops/hw_res.h>
#include <ops/pio_window.h>
#define NAME "hikey960"
enum {
hikey960_ic_distr_membase = 0xE82B1000,
hikey960_ic_distr_memsize = 0x00001000,
hikey960_ic_cpui_membase = 0xE82B2000,
hikey960_ic_cpui_memsize = 0x00001004,
hikey960_uart_irq = 111,
hikey960_uart_membase = 0xFFF32000,
hikey960_uart_memsize = 0x00001000
};
typedef struct hikey960_fun {
hw_resource_list_t hw_resources;
} hikey960_fun_t;
static errno_t hikey960_dev_add(ddf_dev_t *);
static driver_ops_t hikey960_ops = {
.dev_add = &hikey960_dev_add
};
static driver_t hikey960_driver = {
.name = NAME,
.driver_ops = &hikey960_ops
};
static hw_resource_t hikey960_ic_res[] = {
{
.type = MEM_RANGE,
.res.mem_range = {
.address = hikey960_ic_distr_membase,
.size = hikey960_ic_distr_memsize,
.relative = false,
.endianness = LITTLE_ENDIAN
}
},
{
.type = MEM_RANGE,
.res.mem_range = {
.address = hikey960_ic_cpui_membase,
.size = hikey960_ic_cpui_memsize,
.relative = false,
.endianness = LITTLE_ENDIAN
}
}
};
static hw_resource_t hikey960_uart_res[] = {
{
.type = MEM_RANGE,
.res.mem_range = {
.address = hikey960_uart_membase,
.size = hikey960_uart_memsize,
.relative = false,
.endianness = LITTLE_ENDIAN
}
},
{
.type = INTERRUPT,
.res.interrupt = {
.irq = hikey960_uart_irq
}
}
};
static pio_window_t hikey960_pio_window = {
.mem = {
.base = 0,
.size = -1
}
};
static hikey960_fun_t hikey960_ic_fun_proto = {
.hw_resources = {
sizeof(hikey960_ic_res) / sizeof(hikey960_ic_res[0]),
hikey960_ic_res
},
};
static hikey960_fun_t hikey960_uart_fun_proto = {
.hw_resources = {
sizeof(hikey960_uart_res) / sizeof(hikey960_uart_res[0]),
hikey960_uart_res
},
};
static hikey960_fun_t *hikey960_fun(ddf_fun_t *fnode)
{
return ddf_fun_data_get(fnode);
}
static hw_resource_list_t *hikey960_get_resources(ddf_fun_t *fnode)
{
hikey960_fun_t *fun = hikey960_fun(fnode);
assert(fun != NULL);
return &fun->hw_resources;
}
static errno_t hikey960_enable_interrupt(ddf_fun_t *fun, int irq)
{
return false;
}
static pio_window_t *hikey960_get_pio_window(ddf_fun_t *fnode)
{
return &hikey960_pio_window;
}
static hw_res_ops_t hikey960_hw_res_ops = {
.get_resource_list = &hikey960_get_resources,
.enable_interrupt = &hikey960_enable_interrupt,
};
static pio_window_ops_t hikey960_pio_window_ops = {
.get_pio_window = &hikey960_get_pio_window
};
static ddf_dev_ops_t hikey960_fun_ops = {
.interfaces = {
[HW_RES_DEV_IFACE] = &hikey960_hw_res_ops,
[PIO_WINDOW_DEV_IFACE] = &hikey960_pio_window_ops
}
};
static errno_t hikey960_add_fun(ddf_dev_t *dev, const char *name,
const char *str_match_id, hikey960_fun_t *fun_proto)
{
ddf_msg(LVL_NOTE, "Adding function '%s'.", name);
ddf_fun_t *fnode = NULL;
errno_t rc;
fnode = ddf_fun_create(dev, fun_inner, name);
if (fnode == NULL) {
ddf_msg(LVL_ERROR, "Error creating function '%s'.", name);
rc = ENOMEM;
goto error;
}
hikey960_fun_t *fun = ddf_fun_data_alloc(fnode,
sizeof(hikey960_fun_t));
*fun = *fun_proto;
rc = ddf_fun_add_match_id(fnode, str_match_id, 100);
if (rc != EOK) {
ddf_msg(LVL_ERROR, "Error adding match ID to function '%s'.",
name);
goto error;
}
ddf_fun_set_ops(fnode, &hikey960_fun_ops);
rc = ddf_fun_bind(fnode);
if (rc != EOK) {
ddf_msg(LVL_ERROR, "Failed binding function '%s'.", name);
goto error;
}
return EOK;
error:
if (fnode != NULL)
ddf_fun_destroy(fnode);
return rc;
}
static errno_t hikey960_add_functions(ddf_dev_t *dev)
{
errno_t rc;
rc = hikey960_add_fun(dev, "intctl", "arm/gicv2",
&hikey960_ic_fun_proto);
if (rc != EOK)
return rc;
rc = hikey960_add_fun(dev, "uart", "arm/pl011",
&hikey960_uart_fun_proto);
if (rc != EOK)
return rc;
return EOK;
}
static errno_t hikey960_dev_add(ddf_dev_t *dev)
{
ddf_msg(LVL_NOTE, "hikey960_dev_add(), device=%s.",
ddf_dev_get_name(dev));
if (hikey960_add_functions(dev))
ddf_msg(LVL_ERROR, "Failed to add functions for HiKey 960 platform.");
return EOK;
}
int main(int argc, char *argv[])
{
errno_t rc;
printf("%s: HelenOS HiKey 960 platform driver\n", NAME);
rc = ddf_log_init(NAME);
if (rc != EOK) {
printf("%s: Failed connecting logging service.", NAME);
return 1;
}
return ddf_driver_main(&hikey960_driver);
}
HelenOS homepage, sources at GitHub