[PATCH net-next v2 5/5] net: stmmac: add EHL SGMII 1Gbps PCI info and PCI ID

Voon Weifeng
2019-05-23T07:32:37Z

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

Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c | 111 +++++++++++++++++++++++
1 file changed, 111 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index 7cbc01f316fa..f2225c1eafc2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -23,6 +23,7 @@
#include <linux/dmi.h>

#include "stmmac.h"
+#include "dwxpcs.h"

/*
* This struct is used to associate PCI Function of MAC controller on a board,
@@ -118,6 +119,113 @@ static int stmmac_default_data(struct pci_dev *pdev,
.setup = stmmac_default_data,
};

+static int ehl_common_data(struct pci_dev *pdev,
+ struct plat_stmmacenet_data *plat)
+{
+ int i;
+
+ plat->bus_id = 1;
+ plat->phy_addr = 0;
+ plat->clk_csr = 5;
+ plat->has_gmac = 0;
+ plat->has_gmac4 = 1;
+ plat->xpcs_phy_addr = 0x16;
+ plat->pcs_mode = AN_CTRL_PCS_MD_C37_SGMII;
+ plat->force_sf_dma_mode = 0;
+ plat->tso_en = 1;
+
+ plat->rx_queues_to_use = 8;
+ plat->tx_queues_to_use = 8;
+ 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;
+ }
+
+ 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_reset = NULL;
+ 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 = 0;
+ plat->axi->axi_rd_osr_lmt = 2;
+ 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;
+
+ /* Set 32KB fifo size as the advertised fifo size in
+ * the HW features is not the same as the HW implementation
+ */
+ plat->tx_fifo_size = 32768;
+ plat->rx_fifo_size = 32768;
+
+ return 0;
+}
+
+static int ehl_sgmii1g_data(struct pci_dev *pdev,
+ struct plat_stmmacenet_data *plat)
+{
+ int ret;
+
+ /* Set common default data first */
+ ret = ehl_common_data(pdev, plat);
+
+ if (ret)
+ return ret;
+
+ plat->interface = PHY_INTERFACE_MODE_SGMII;
+ plat->has_xpcs = 1;
+
+ return 0;
+}
+
+static struct stmmac_pci_info ehl_sgmii1g_pci_info = {
+ .setup = ehl_sgmii1g_data,
+};
+
static const struct stmmac_pci_func_data galileo_stmmac_func_data[] = {
{
.func = 6,
@@ -290,6 +398,7 @@ static int stmmac_pci_probe(struct pci_dev *pdev,
res.addr = pcim_iomap_table(pdev)[i];
res.wol_irq = pdev->irq;
res.irq = pdev->irq;
+ res.xpcs_irq = 0;

return stmmac_dvr_probe(&pdev->dev, plat, &res);
}
@@ -359,6 +468,7 @@ static int __maybe_unused stmmac_pci_resume(struct device *dev)

#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), \
@@ -369,6 +479,7 @@ static int __maybe_unused stmmac_pci_resume(struct device *dev)
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),
{}
};

--
1.9.1