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-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c9
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c9
-rw-r--r--include/linux/stmmac.h1
3 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c
index b1323d5c95b5..f61cb997a8f6 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c
@@ -11,6 +11,7 @@
#include <linux/platform_device.h>
#include <linux/stmmac.h>
+#include "dwmac4.h"
#include "stmmac.h"
#include "stmmac_platform.h"
@@ -146,6 +147,14 @@ static int intel_eth_plat_probe(struct platform_device *pdev)
}
plat_dat->bsp_priv = dwmac;
+ plat_dat->eee_usecs_rate = plat_dat->clk_ptp_rate;
+
+ if (plat_dat->eee_usecs_rate > 0) {
+ u32 tx_lpi_usec;
+
+ tx_lpi_usec = (plat_dat->eee_usecs_rate / 1000000) - 1;
+ writel(tx_lpi_usec, stmmac_res.addr + GMAC_1US_TIC_COUNTER);
+ }
ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
if (ret) {
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
index ab0a81e0fea1..2af9458be95f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -6,6 +6,7 @@
#include <linux/pci.h>
#include <linux/dmi.h>
#include "dwmac-intel.h"
+#include "dwmac4.h"
#include "stmmac.h"
struct intel_priv_data {
@@ -295,6 +296,7 @@ static int intel_mgbe_common_data(struct pci_dev *pdev,
plat->axi->axi_blen[2] = 16;
plat->ptp_max_adj = plat->clk_ptp_rate;
+ plat->eee_usecs_rate = plat->clk_ptp_rate;
/* Set system clock */
plat->stmmac_clk = clk_register_fixed_rate(&pdev->dev,
@@ -623,6 +625,13 @@ static int intel_eth_pci_probe(struct pci_dev *pdev,
if (ret)
return ret;
+ if (plat->eee_usecs_rate > 0) {
+ u32 tx_lpi_usec;
+
+ tx_lpi_usec = (plat->eee_usecs_rate / 1000000) - 1;
+ writel(tx_lpi_usec, res.addr + GMAC_1US_TIC_COUNTER);
+ }
+
ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
if (ret < 0)
return ret;
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 00e83c877496..628e28903b8b 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -200,5 +200,6 @@ struct plat_stmmacenet_data {
int has_xgmac;
bool vlan_fail_q_en;
u8 vlan_fail_q;
+ unsigned int eee_usecs_rate;
};
#endif