From 94a6ba897ca42edf674828cbcab69b17a53bf524 Mon Sep 17 00:00:00 2001
From: Voon Weifeng <weifeng.voon@intel.com>
Date: Tue, 27 Aug 2019 09:38:08 +0800
Subject: [PATCH 1/8] net: stmmac: add EHL SGMII 1Gbps PCI info and PCI ID
Git-commit: 99122836d26a366847f92f9a211602a44a038c61
Patch-mainline: v5.4-rc1
References: bsc#1192691

Added EHL SGMII 1Gbps PCI ID. Different MII and speed will have
different PCI ID.

Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Denis Kirjanov <denis.kirjanov@suse.com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c | 107 +++++++++++++++++++++++
 1 file changed, 107 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index 3ffbdf4f5f1c..927a25953289 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -108,6 +108,111 @@ static const struct stmmac_pci_info stmmac_pci_info = {
 	.setup = stmmac_default_data,
 };
 
+static int intel_mgbe_common_data(struct pci_dev *pdev,
+				  struct plat_stmmacenet_data *plat)
+{
+	int i;
+
+	plat->clk_csr = 5;
+	plat->has_gmac = 0;
+	plat->has_gmac4 = 1;
+	plat->force_sf_dma_mode = 0;
+	plat->tso_en = 1;
+
+	plat->rx_sched_algorithm = MTL_RX_ALGORITHM_SP;
+
+	for (i = 0; i < plat->rx_queues_to_use; i++) {
+		plat->rx_queues_cfg[i].mode_to_use = MTL_QUEUE_DCB;
+		plat->rx_queues_cfg[i].chan = i;
+
+		/* Disable Priority config by default */
+		plat->rx_queues_cfg[i].use_prio = false;
+
+		/* Disable RX queues routing by default */
+		plat->rx_queues_cfg[i].pkt_route = 0x0;
+	}
+
+	for (i = 0; i < plat->tx_queues_to_use; i++) {
+		plat->tx_queues_cfg[i].mode_to_use = MTL_QUEUE_DCB;
+
+		/* Disable Priority config by default */
+		plat->tx_queues_cfg[i].use_prio = false;
+	}
+
+	/* FIFO size is 4096 bytes for 1 tx/rx queue */
+	plat->tx_fifo_size = plat->tx_queues_to_use * 4096;
+	plat->rx_fifo_size = plat->rx_queues_to_use * 4096;
+
+	plat->tx_sched_algorithm = MTL_TX_ALGORITHM_WRR;
+	plat->tx_queues_cfg[0].weight = 0x09;
+	plat->tx_queues_cfg[1].weight = 0x0A;
+	plat->tx_queues_cfg[2].weight = 0x0B;
+	plat->tx_queues_cfg[3].weight = 0x0C;
+	plat->tx_queues_cfg[4].weight = 0x0D;
+	plat->tx_queues_cfg[5].weight = 0x0E;
+	plat->tx_queues_cfg[6].weight = 0x0F;
+	plat->tx_queues_cfg[7].weight = 0x10;
+
+	plat->mdio_bus_data->phy_mask = 0;
+
+	plat->dma_cfg->pbl = 32;
+	plat->dma_cfg->pblx8 = true;
+	plat->dma_cfg->fixed_burst = 0;
+	plat->dma_cfg->mixed_burst = 0;
+	plat->dma_cfg->aal = 0;
+
+	plat->axi = devm_kzalloc(&pdev->dev, sizeof(*plat->axi),
+				 GFP_KERNEL);
+	if (!plat->axi)
+		return -ENOMEM;
+
+	plat->axi->axi_lpi_en = 0;
+	plat->axi->axi_xit_frm = 0;
+	plat->axi->axi_wr_osr_lmt = 1;
+	plat->axi->axi_rd_osr_lmt = 1;
+	plat->axi->axi_blen[0] = 4;
+	plat->axi->axi_blen[1] = 8;
+	plat->axi->axi_blen[2] = 16;
+
+	/* Set default value for multicast hash bins */
+	plat->multicast_filter_bins = HASH_TABLE_SIZE;
+
+	/* Set default value for unicast filter entries */
+	plat->unicast_filter_entries = 1;
+
+	/* Set the maxmtu to a default of JUMBO_LEN */
+	plat->maxmtu = JUMBO_LEN;
+
+	return 0;
+}
+
+static int ehl_common_data(struct pci_dev *pdev,
+			   struct plat_stmmacenet_data *plat)
+{
+	int ret;
+
+	plat->rx_queues_to_use = 8;
+	plat->tx_queues_to_use = 8;
+	ret = intel_mgbe_common_data(pdev, plat);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int ehl_sgmii_data(struct pci_dev *pdev,
+			  struct plat_stmmacenet_data *plat)
+{
+	plat->bus_id = 1;
+	plat->phy_addr = 0;
+	plat->interface = PHY_INTERFACE_MODE_SGMII;
+	return ehl_common_data(pdev, plat);
+}
+
+static struct stmmac_pci_info ehl_sgmii1g_pci_info = {
+	.setup = ehl_sgmii_data,
+};
+
 static const struct stmmac_pci_func_data galileo_stmmac_func_data[] = {
 	{
 		.func = 6,
@@ -349,6 +454,7 @@ static SIMPLE_DEV_PM_OPS(stmmac_pm_ops, stmmac_pci_suspend, stmmac_pci_resume);
 
 #define STMMAC_QUARK_ID  0x0937
 #define STMMAC_DEVICE_ID 0x1108
+#define STMMAC_EHL_SGMII1G_ID	0x4b31
 
 #define STMMAC_DEVICE(vendor_id, dev_id, info)	{	\
 	PCI_VDEVICE(vendor_id, dev_id),			\
@@ -359,6 +465,7 @@ static const struct pci_device_id stmmac_id_table[] = {
 	STMMAC_DEVICE(STMMAC, STMMAC_DEVICE_ID, stmmac_pci_info),
 	STMMAC_DEVICE(STMICRO, PCI_DEVICE_ID_STMICRO_MAC, stmmac_pci_info),
 	STMMAC_DEVICE(INTEL, STMMAC_QUARK_ID, quark_pci_info),
+	STMMAC_DEVICE(INTEL, STMMAC_EHL_SGMII1G_ID, ehl_sgmii1g_pci_info),
 	{}
 };
 
-- 
2.16.4