* [PATCH net 1/1] stmmac: intel: Update PCH PTP clock rate from 200MHz to 204.8MHz
@ 2022-11-08 2:08 Gan Yi Fang
2022-11-10 2:50 ` patchwork-bot+netdevbpf
0 siblings, 1 reply; 2+ messages in thread
From: Gan Yi Fang @ 2022-11-08 2:08 UTC (permalink / raw)
To: Giuseppe Cavallaro, Alexandre Torgue, Jose Abreu,
David S . Miller, Eric Dumazet, Jakub Kicinski, Paolo Abeni,
Maxime Coquelin, Richard Cochran, netdev, linux-stm32,
linux-arm-kernel, linux-kernel, Gan Yi Fang
Cc: Looi Hong Aun, Voon Weifeng, Ling Pei Lee, Tan Tee Min,
Zulkifli Muhammad Husaini, Sit Michael Wei Hong
From: "Tan, Tee Min" <tee.min.tan@intel.com>
Current Intel platform has an output of ~976ms interval
when probed on 1 Pulse-per-Second(PPS) hardware pin.
The correct PTP clock frequency for PCH GbE should be 204.8MHz
instead of 200MHz. PSE GbE PTP clock rate remains at 200MHz.
Fixes: 58da0cfa6cf1 ("net: stmmac: create dwmac-intel.c to contain all Intel platform")
Signed-off-by: Ling Pei Lee <pei.lee.ling@intel.com>
Signed-off-by: Tan, Tee Min <tee.min.tan@intel.com>
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Gan Yi Fang <yi.fang.gan@intel.com>
---
drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
index 0a2afc1a3124..7deb1f817dac 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -629,7 +629,6 @@ static int ehl_common_data(struct pci_dev *pdev,
{
plat->rx_queues_to_use = 8;
plat->tx_queues_to_use = 8;
- plat->clk_ptp_rate = 200000000;
plat->use_phy_wol = 1;
plat->safety_feat_cfg->tsoee = 1;
@@ -654,6 +653,8 @@ static int ehl_sgmii_data(struct pci_dev *pdev,
plat->serdes_powerup = intel_serdes_powerup;
plat->serdes_powerdown = intel_serdes_powerdown;
+ plat->clk_ptp_rate = 204800000;
+
return ehl_common_data(pdev, plat);
}
@@ -667,6 +668,8 @@ static int ehl_rgmii_data(struct pci_dev *pdev,
plat->bus_id = 1;
plat->phy_interface = PHY_INTERFACE_MODE_RGMII;
+ plat->clk_ptp_rate = 204800000;
+
return ehl_common_data(pdev, plat);
}
@@ -683,6 +686,8 @@ static int ehl_pse0_common_data(struct pci_dev *pdev,
plat->bus_id = 2;
plat->addr64 = 32;
+ plat->clk_ptp_rate = 200000000;
+
intel_mgbe_pse_crossts_adj(intel_priv, EHL_PSE_ART_MHZ);
return ehl_common_data(pdev, plat);
@@ -722,6 +727,8 @@ static int ehl_pse1_common_data(struct pci_dev *pdev,
plat->bus_id = 3;
plat->addr64 = 32;
+ plat->clk_ptp_rate = 200000000;
+
intel_mgbe_pse_crossts_adj(intel_priv, EHL_PSE_ART_MHZ);
return ehl_common_data(pdev, plat);
@@ -757,7 +764,7 @@ static int tgl_common_data(struct pci_dev *pdev,
{
plat->rx_queues_to_use = 6;
plat->tx_queues_to_use = 4;
- plat->clk_ptp_rate = 200000000;
+ plat->clk_ptp_rate = 204800000;
plat->speed_mode_2500 = intel_speed_mode_2500;
plat->safety_feat_cfg->tsoee = 1;
--
2.34.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH net 1/1] stmmac: intel: Update PCH PTP clock rate from 200MHz to 204.8MHz
2022-11-08 2:08 [PATCH net 1/1] stmmac: intel: Update PCH PTP clock rate from 200MHz to 204.8MHz Gan Yi Fang
@ 2022-11-10 2:50 ` patchwork-bot+netdevbpf
0 siblings, 0 replies; 2+ messages in thread
From: patchwork-bot+netdevbpf @ 2022-11-10 2:50 UTC (permalink / raw)
To: Gan Yi Fang
Cc: peppe.cavallaro, alexandre.torgue, joabreu, davem, edumazet,
kuba, pabeni, mcoquelin.stm32, richardcochran, netdev,
linux-stm32, linux-arm-kernel, linux-kernel, hong.aun.looi,
weifeng.voon, pei.lee.ling, tee.min.tan,
muhammad.husaini.zulkifli, michael.wei.hong.sit
Hello:
This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@kernel.org>:
On Mon, 7 Nov 2022 21:08:11 -0500 you wrote:
> From: "Tan, Tee Min" <tee.min.tan@intel.com>
>
> Current Intel platform has an output of ~976ms interval
> when probed on 1 Pulse-per-Second(PPS) hardware pin.
>
> The correct PTP clock frequency for PCH GbE should be 204.8MHz
> instead of 200MHz. PSE GbE PTP clock rate remains at 200MHz.
>
> [...]
Here is the summary with links:
- [net,1/1] stmmac: intel: Update PCH PTP clock rate from 200MHz to 204.8MHz
https://git.kernel.org/netdev/net/c/dcea1a8107c0
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
^ permalink raw reply [flat|nested] 2+ messages in thread
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