diff options
| author | Jose Abreu <Jose.Abreu@synopsys.com> | 2018-08-08 09:04:34 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-08-09 11:16:28 -0700 |
| commit | 4bb7aff9e6d0f92483f27ec04683efc2fdd42d25 (patch) | |
| tree | 59d1c38b19e49718964707d97ee5d066342df0c9 /drivers | |
| parent | 6fc21117b791b601362fd2240fab833cbdbfdc15 (diff) | |
net: stmmac: Add PTP support for XGMAC2
XGMAC2 uses the same engine of timestamping as GMAC4. Let's use the same
callbacks.
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/hwif.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h | 1 |
3 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.c b/drivers/net/ethernet/stmicro/stmmac/hwif.c index 4b4ba1c8bad5..357309a6d6a5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/hwif.c +++ b/drivers/net/ethernet/stmicro/stmmac/hwif.c @@ -193,13 +193,13 @@ static const struct stmmac_hwif_entry { .xgmac = true, .min_id = DWXGMAC_CORE_2_10, .regs = { - .ptp_off = 0, + .ptp_off = PTP_XGMAC_OFFSET, .mmc_off = 0, }, .desc = &dwxgmac210_desc_ops, .dma = &dwxgmac210_dma_ops, .mac = &dwxgmac210_ops, - .hwtimestamp = NULL, + .hwtimestamp = &stmmac_ptp, .mode = NULL, .tc = NULL, .setup = dwxgmac2_setup, diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c index 0cb0e39a2be9..2293e21f789f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c @@ -71,6 +71,9 @@ static int stmmac_adjust_time(struct ptp_clock_info *ptp, s64 delta) u32 sec, nsec; u32 quotient, reminder; int neg_adj = 0; + bool xmac; + + xmac = priv->plat->has_gmac4 || priv->plat->has_xgmac; if (delta < 0) { neg_adj = 1; @@ -82,8 +85,7 @@ static int stmmac_adjust_time(struct ptp_clock_info *ptp, s64 delta) nsec = reminder; spin_lock_irqsave(&priv->ptp_lock, flags); - stmmac_adjust_systime(priv, priv->ptpaddr, sec, nsec, neg_adj, - priv->plat->has_gmac4); + stmmac_adjust_systime(priv, priv->ptpaddr, sec, nsec, neg_adj, xmac); spin_unlock_irqrestore(&priv->ptp_lock, flags); return 0; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h index f4b31d69f60e..ecccf895fd7e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h @@ -21,6 +21,7 @@ #ifndef __STMMAC_PTP_H__ #define __STMMAC_PTP_H__ +#define PTP_XGMAC_OFFSET 0xd00 #define PTP_GMAC4_OFFSET 0xb00 #define PTP_GMAC3_X_OFFSET 0x700 |