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[device/platform] Add reset in sfputil.py for Accton AS7326-56X #3685

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Merged
lguohan merged 1 commit into from
Nov 7, 2019
Merged

[device/platform] Add reset in sfputil.py for Accton AS7326-56X #3685

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24 changes: 23 additions & 1 deletion device/accton/x86_64-accton_as7326_56x-r0/plugins/sfputil.py
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Original file line number Diff line number Diff line change
Expand Up @@ -219,8 +219,30 @@ def set_low_power_mode(self, port_num, lpmode):
time.sleep(0.01)

def reset(self, port_num):
raise NotImplementedError
if port_num < self.qsfp_port_start or port_num > self.qsfp_port_end:
return False

cpld_i = self.get_cpld_num(port_num)
cpld_ps = self._cpld_mapping[cpld_i]
path = "/sys/bus/i2c/devices/{0}/module_reset_{1}"
port_ps = path.format(cpld_ps, port_num)

self.__port_to_mod_rst = port_ps
try:
reg_file = open(self.__port_to_mod_rst, 'r+', buffering=0)
except IOError as e:
print "Error: unable to open file: %s" % str(e)
return False

#toggle reset
reg_file.seek(0)
reg_file.write('1')
time.sleep(1)
reg_file.seek(0)
reg_file.write('0')
reg_file.close()

return True
@property
def _get_present_bitmap(self):
nodes = []
Expand Down
87 changes: 86 additions & 1 deletion platform/broadcom/sonic-platform-modules-accton/as7326-56x/modules/accton_i2c_cpld.c
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Original file line number Diff line number Diff line change
Expand Up @@ -285,6 +285,14 @@ enum as7326_56x_cpld_sysfs_attributes {
TRANSCEIVER_TXFAULT_ATTR_ID(48),
TRANSCEIVER_TXFAULT_ATTR_ID(57),
TRANSCEIVER_TXFAULT_ATTR_ID(58),
TRANSCEIVER_RESET_ATTR_ID(49),
TRANSCEIVER_RESET_ATTR_ID(50),
TRANSCEIVER_RESET_ATTR_ID(51),
TRANSCEIVER_RESET_ATTR_ID(52),
TRANSCEIVER_RESET_ATTR_ID(53),
TRANSCEIVER_RESET_ATTR_ID(54),
TRANSCEIVER_RESET_ATTR_ID(55),
TRANSCEIVER_RESET_ATTR_ID(56),
};

/* sysfs attributes for hwmon
Expand All @@ -297,6 +305,8 @@ static ssize_t show_rxlos_all(struct device *dev, struct device_attribute *da,
char *buf);
static ssize_t set_tx_disable(struct device *dev, struct device_attribute *da,
const char *buf, size_t count);
static ssize_t set_reset(struct device *dev, struct device_attribute *da,
const char *buf, size_t count);
static ssize_t access(struct device *dev, struct device_attribute *da,
const char *buf, size_t count);
static ssize_t show_version(struct device *dev, struct device_attribute *da,
Expand Down Expand Up @@ -437,6 +447,15 @@ DECLARE_SFP_TRANSCEIVER_SENSOR_DEVICE_ATTR(48);
DECLARE_SFP_TRANSCEIVER_SENSOR_DEVICE_ATTR(57);
DECLARE_SFP_TRANSCEIVER_SENSOR_DEVICE_ATTR(58);

DECLARE_TRANSCEIVER_RESET_SENSOR_DEVICE_ATTR(49);
DECLARE_TRANSCEIVER_RESET_SENSOR_DEVICE_ATTR(50);
DECLARE_TRANSCEIVER_RESET_SENSOR_DEVICE_ATTR(51);
DECLARE_TRANSCEIVER_RESET_SENSOR_DEVICE_ATTR(52);
DECLARE_TRANSCEIVER_RESET_SENSOR_DEVICE_ATTR(53);
DECLARE_TRANSCEIVER_RESET_SENSOR_DEVICE_ATTR(54);
DECLARE_TRANSCEIVER_RESET_SENSOR_DEVICE_ATTR(55);
DECLARE_TRANSCEIVER_RESET_SENSOR_DEVICE_ATTR(56);

static struct attribute *as7326_56x_cpld3_attributes[] = {
&sensor_dev_attr_version.dev_attr.attr,
&sensor_dev_attr_access.dev_attr.attr,
Expand Down Expand Up @@ -507,7 +526,7 @@ static struct attribute *as7326_56x_cpld2_attributes[] = {
DECLARE_SFP_TRANSCEIVER_ATTR(22),
DECLARE_SFP_TRANSCEIVER_ATTR(23),
DECLARE_SFP_TRANSCEIVER_ATTR(24),
DECLARE_SFP_TRANSCEIVER_ATTR(25),
DECLARE_SFP_TRANSCEIVER_ATTR(25),
DECLARE_SFP_TRANSCEIVER_ATTR(26),
DECLARE_SFP_TRANSCEIVER_ATTR(27),
DECLARE_SFP_TRANSCEIVER_ATTR(28),
Expand Down Expand Up @@ -574,6 +593,14 @@ static struct attribute *as7326_56x_cpld1_attributes[] = {
DECLARE_SFP_TRANSCEIVER_ATTR(48),
DECLARE_SFP_TRANSCEIVER_ATTR(57),
DECLARE_SFP_TRANSCEIVER_ATTR(58),
DECLARE_TRANSCEIVER_RESET_ATTR(49),
DECLARE_TRANSCEIVER_RESET_ATTR(50),
DECLARE_TRANSCEIVER_RESET_ATTR(51),
DECLARE_TRANSCEIVER_RESET_ATTR(52),
DECLARE_TRANSCEIVER_RESET_ATTR(53),
DECLARE_TRANSCEIVER_RESET_ATTR(54),
DECLARE_TRANSCEIVER_RESET_ATTR(55),
DECLARE_TRANSCEIVER_RESET_ATTR(56),
NULL
};

Expand Down Expand Up @@ -724,6 +751,11 @@ static ssize_t show_status(struct device *dev, struct device_attribute *da,
reg = 0x19;
mask = 0x1 << (( attr->index - MODULE_RXLOS_57)+2);
break;
case MODULE_RESET_49 ... MODULE_RESET_56:
reg = 0x4;
mask = 0x1 << (attr->index - MODULE_RESET_49);
revert = 1;
break;
default:
return 0;
}
Expand Down Expand Up @@ -806,6 +838,59 @@ static ssize_t set_tx_disable(struct device *dev, struct device_attribute *da,
return status;
}

static ssize_t set_reset(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct i2c_client *client = to_i2c_client(dev);
struct as7326_56x_cpld_data *data = i2c_get_clientdata(client);
long reset;
int status;
u8 reg = 0, mask = 0;

status = kstrtol(buf, 10, &reset);
if (status) {
return status;
}

switch (attr->index)
{
case MODULE_RESET_49 ... MODULE_RESET_56:
reg = 0x4;
mask = 0x1 << (attr->index - MODULE_RESET_49);
break;
default:
return 0;
}

/* Read current status */
mutex_lock(&data->update_lock);
status = as7326_56x_cpld_read_internal(client, reg);
if (unlikely(status < 0)) {
goto exit;
}

/* Update reset status */
if (!reset) {
status |= mask;
}
else {
status &= ~mask;
}

status = as7326_56x_cpld_write_internal(client, reg, status);
if (unlikely(status < 0)) {
goto exit;
}

mutex_unlock(&data->update_lock);
return count;

exit:
mutex_unlock(&data->update_lock);
return status;
}

static ssize_t access(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
{
Expand Down