Skip to content

S
Simple PCIe FMC carrier SPEC
Commit 8bb0be96 authored by Federico Vaga's avatar Federico Vaga
Browse files
Options

sw:drv: add sysfs attribute for SPEC CORE 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent 0c6f191b
Hide whitespace changes
Inline Side-by-side
Showing with 38 additions and 19 deletions
software/kernel/spec-core-fpga.c
View file @ 8bb0be96
......@@ -91,6 +91,16 @@ static const struct debugfs_reg32 spec_fpga_debugfs_reg32[] = {
},
};
static inline uint32_t spec_fpga_csr_app_offset(struct spec_dev *spec)
{
return ioread32(spec->fpga + SPEC_FPGA_CSR_APP_OFF);
}
static inline uint32_t spec_fpga_csr_pcb_rev(struct spec_dev *spec)
{
return ioread32(spec->fpga + SPEC_FPGA_CSR_PCB_REV);
}
static struct resource spec_fpga_vic_res[] = {
{
......@@ -332,30 +342,38 @@ static const struct attribute_group spec_fpga_therm_group = {
.attrs = spec_fpga_therm_attrs,
};
static int spec_fpga_therm_init(struct spec_dev *spec)
/* CSR attributes */
static ssize_t pcb_rev_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
int err;
clear_bit(SPEC_FLAG_THERM_BIT, spec->flags);
if (!(spec->meta->cap & SPEC_META_CAP_THERM))
return 0;
err = sysfs_create_group(&spec->dev.kobj,
&spec_fpga_therm_group);
if (err)
return err;
struct spec_dev *spec = to_spec_dev(dev);
set_bit(SPEC_FLAG_THERM_BIT, spec->flags);
return 0;
return snprintf(buf, PAGE_SIZE, "0x%x\n",
spec_fpga_csr_pcb_rev(spec));
}
static DEVICE_ATTR_RO(pcb_rev);
static void spec_fpga_therm_exit(struct spec_dev *spec)
static ssize_t application_offset_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
if (!(test_bit(SPEC_FLAG_THERM_BIT, spec->flags)))
return;
sysfs_remove_group(&spec->dev.kobj, &spec_fpga_therm_group);
clear_bit(SPEC_FLAG_THERM_BIT, spec->flags);
struct spec_dev *spec = to_spec_dev(dev);
return snprintf(buf, PAGE_SIZE, "0x%x\n",
spec_fpga_csr_app_offset(spec));
}
static DEVICE_ATTR_RO(application_offset);
static struct attribute *spec_fpga_csr_attrs[] = {
&dev_attr_pcb_rev.attr,
&dev_attr_application_offset.attr,
NULL,
};
static const struct attribute_group spec_fpga_csr_group = {
.attrs = spec_fpga_csr_attrs,
};
/* FMC */
#define SPEC_FMC_SLOTS 1
......@@ -485,7 +503,7 @@ static int spec_fpga_app_init(struct spec_dev *spec)
char app_name[SPEC_FPGA_APP_NAME_MAX];
unsigned long app_offset;
app_offset = ioread32(spec->fpga + SPEC_FPGA_CSR_APP_OFF);
app_offset = spec_fpga_csr_app_offset(spec);
if (!app_offset) {
dev_warn(spec->dev.parent, "Application not found\n");
return 0;
......@@ -583,6 +601,7 @@ static int spec_uevent(struct device *dev, struct kobj_uevent_env *env)
static const struct attribute_group *spec_groups[] = {
&spec_fpga_therm_group,
&spec_fpga_csr_group,
NULL
};
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment