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Simple PCIe FMC carrier SPEC
Commit e3a2a35a authored by Federico Vaga's avatar Federico Vaga
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sw:drv: add attribute to load golden 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent f5d01601
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Showing with 46 additions and 14 deletions
software/kernel/spec-core.c
View file @ e3a2a35a
......@@ -21,9 +21,9 @@
static int mfd_id; /* FIXME look for something better */
static char *spec_fw_name_45t = "spec-init-45T.bin";
static char *spec_fw_name_100t = "spec-init-100T.bin";
static char *spec_fw_name_150t = "spec-init-150T.bin";
static char *spec_fw_name_45t = "spec-golden-45T.bin";
static char *spec_fw_name_100t = "spec-golden-100T.bin";
static char *spec_fw_name_150t = "spec-golden-150T.bin";
char *spec_fw_name = "";
module_param_named(fw_name, spec_fw_name, charp, 0444);
......@@ -93,16 +93,23 @@ static const char *spec_fw_name_init_get(struct spec_dev *spec)
*/
static int spec_fw_load(struct spec_dev *spec, const char *name)
{
return compat_spec_fw_load(spec, name);
}
int err;
/**
* Return: True if the FPGA is programmed, otherwise false
*/
static bool spec_fw_is_pre_programmed(struct spec_dev *spec)
{
err = spec_core_fpga_exit(spec);
if (err) {
dev_err(&spec->dev,
"Cannot remove FPGA device instances. Remove them manually and reload SPEC device instance\n");
return err;
}
return false;
err = compat_spec_fw_load(spec, name);
if (err)
return err;
err = spec_core_fpga_init(spec);
if (err)
dev_warn(&spec->dev, "FPGA incorrectly programmed\n");
return 0;
}
/**
......@@ -113,9 +120,6 @@ static bool spec_fw_is_pre_programmed(struct spec_dev *spec)
*/
static int spec_fw_load_init(struct spec_dev *spec)
{
if (spec_fw_is_pre_programmed(spec))
return 0;
return spec_fw_load(spec, spec_fw_name_init_get(spec));
}
......@@ -129,10 +133,38 @@ static int spec_uevent(struct device *dev, struct kobj_uevent_env *env)
return 0;
}
static ssize_t load_golden_fpga_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct spec_dev *spec = to_spec_dev(dev);
int err;
err = spec_fw_load_init(spec);
return err < 0 ? err : count;
}
static DEVICE_ATTR_WO(load_golden_fpga);
static struct attribute *spec_type_attrs[] = {
&dev_attr_load_golden_fpga.attr,
NULL,
};
static const struct attribute_group spec_type_group = {
.attrs = spec_type_attrs,
};
static const struct attribute_group *spec_type_groups[] = {
&spec_type_group,
NULL,
};
static const struct device_type spec_dev_type = {
.name = "spec",
.release = spec_release,
.uevent = spec_uevent,
.groups = spec_type_groups,
};
......
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