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net: atlantic: ptp gpio adjustments 

Clock adjustment data should be passed to FW as well, otherwise in some
cases a drift was observed when using GPIO features.

Signed-off-by: Egor Pomozov <epomozov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Dmitry Bogdanov <dbogdanov@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Egor Pomozov 2020-02-14 18:44:53 +03:00 committed by David S. Miller
parent e7b5f97e65
commit f08a464c27
3 changed files with 17 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/aquantia/atlantic/aq_hw.h
View File

@ -337,6 +337,8 @@ struct aq_fw_ops {
void (*enable_ptp)(struct aq_hw_s *self, int enable);
void (*adjust_ptp)(struct aq_hw_s *self, uint64_t adj);
int (*set_eee_rate)(struct aq_hw_s *self, u32 speed);
int (*get_eee_rate)(struct aq_hw_s *self, u32 *rate,

4
drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
View File

@ -1162,6 +1162,8 @@ static int hw_atl_b0_adj_sys_clock(struct aq_hw_s *self, s64 delta)
{
self->ptp_clk_offset += delta;
self->aq_fw_ops->adjust_ptp(self, self->ptp_clk_offset);
return 0;
}
@ -1212,7 +1214,7 @@ static int hw_atl_b0_gpio_pulse(struct aq_hw_s *self, u32 index,
fwreq.ptp_gpio_ctrl.index = index;
fwreq.ptp_gpio_ctrl.period = period;
/* Apply time offset */
fwreq.ptp_gpio_ctrl.start = start - self->ptp_clk_offset;
fwreq.ptp_gpio_ctrl.start = start;
size = sizeof(fwreq.msg_id) + sizeof(fwreq.ptp_gpio_ctrl);
return self->aq_fw_ops->send_fw_request(self, &fwreq, size);

12
drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c
View File

@ -30,6 +30,9 @@
#define HW_ATL_FW3X_EXT_CONTROL_ADDR 0x378
#define HW_ATL_FW3X_EXT_STATE_ADDR 0x37c
#define HW_ATL_FW3X_PTP_ADJ_LSW_ADDR 0x50a0
#define HW_ATL_FW3X_PTP_ADJ_MSW_ADDR 0x50a4
#define HW_ATL_FW2X_CAP_PAUSE BIT(CAPS_HI_PAUSE)
#define HW_ATL_FW2X_CAP_ASYM_PAUSE BIT(CAPS_HI_ASYMMETRIC_PAUSE)
#define HW_ATL_FW2X_CAP_SLEEP_PROXY BIT(CAPS_HI_SLEEP_PROXY)
@ -475,6 +478,14 @@ static void aq_fw3x_enable_ptp(struct aq_hw_s *self, int enable)
aq_hw_write_reg(self, HW_ATL_FW3X_EXT_CONTROL_ADDR, ptp_opts);
}
static void aq_fw3x_adjust_ptp(struct aq_hw_s *self, uint64_t adj)
{
aq_hw_write_reg(self, HW_ATL_FW3X_PTP_ADJ_LSW_ADDR,
(adj >> 0) & 0xffffffff);
aq_hw_write_reg(self, HW_ATL_FW3X_PTP_ADJ_MSW_ADDR,
(adj >> 32) & 0xffffffff);
}
static int aq_fw2x_led_control(struct aq_hw_s *self, u32 mode)
{
if (self->fw_ver_actual < HW_ATL_FW_VER_LED)
@ -633,4 +644,5 @@ const struct aq_fw_ops aq_fw_2x_ops = {
.enable_ptp = aq_fw3x_enable_ptp,
.led_control = aq_fw2x_led_control,
.set_phyloopback = aq_fw2x_set_phyloopback,
.adjust_ptp = aq_fw3x_adjust_ptp,
};