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stmmac: fix ptp header for GMAC3 hw timestamp 

According the CYCLON V documention only the bit 16 of snaptypesel should
set.
(more information see Table 17-20 (cv_5v4.pdf) :
 Timestamp Snapshot Dependency on Register Bits)

Fixes: d2042052a0 ("stmmac: update the PTP header file")
Signed-off-by: Mario Molitor <mario_molitor@web.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mario Molitor 2017-06-08 22:41:02 +02:00 committed by David S. Miller
parent f186ce61bb
commit fd6720aefd
2 changed files with 14 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@ -546,7 +546,10 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
/* PTP v1, UDP, any kind of event packet */
config.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
/* take time stamp for all event messages */
snap_type_sel = PTP_TCR_SNAPTYPSEL_1;
if (priv->plat->has_gmac4)
snap_type_sel = PTP_GMAC4_TCR_SNAPTYPSEL_1;
else
snap_type_sel = PTP_TCR_SNAPTYPSEL_1;
ptp_over_ipv4_udp = PTP_TCR_TSIPV4ENA;
ptp_over_ipv6_udp = PTP_TCR_TSIPV6ENA;
@ -578,7 +581,10 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
config.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
ptp_v2 = PTP_TCR_TSVER2ENA;
/* take time stamp for all event messages */
snap_type_sel = PTP_TCR_SNAPTYPSEL_1;
if (priv->plat->has_gmac4)
snap_type_sel = PTP_GMAC4_TCR_SNAPTYPSEL_1;
else
snap_type_sel = PTP_TCR_SNAPTYPSEL_1;
ptp_over_ipv4_udp = PTP_TCR_TSIPV4ENA;
ptp_over_ipv6_udp = PTP_TCR_TSIPV6ENA;
@ -612,7 +618,10 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
config.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
ptp_v2 = PTP_TCR_TSVER2ENA;
/* take time stamp for all event messages */
snap_type_sel = PTP_TCR_SNAPTYPSEL_1;
if (priv->plat->has_gmac4)
snap_type_sel = PTP_GMAC4_TCR_SNAPTYPSEL_1;
else
snap_type_sel = PTP_TCR_SNAPTYPSEL_1;
ptp_over_ipv4_udp = PTP_TCR_TSIPV4ENA;
ptp_over_ipv6_udp = PTP_TCR_TSIPV6ENA;

3
drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h
View File

@ -59,7 +59,8 @@
/* Enable Snapshot for Messages Relevant to Master */
#define PTP_TCR_TSMSTRENA BIT(15)
/* Select PTP packets for Taking Snapshots */
#define PTP_TCR_SNAPTYPSEL_1 GENMASK(17, 16)
#define PTP_TCR_SNAPTYPSEL_1 BIT(16)
#define PTP_GMAC4_TCR_SNAPTYPSEL_1 GENMASK(17, 16)
/* Enable MAC address for PTP Frame Filtering */
#define PTP_TCR_TSENMACADDR BIT(18)