[PATCH net-next] net: stmmac: pci: Add HAPS support using GMAC5

From: Jose Abreu
Date: Mon Sep 09 2019 - 12:54:36 EST


Add the support for Synopsys HAPS board that uses GMAC5.

Signed-off-by: Jose Abreu <joabreu@xxxxxxxxxxxx>

---
Cc: Giuseppe Cavallaro <peppe.cavallaro@xxxxxx>
Cc: Alexandre Torgue <alexandre.torgue@xxxxxx>
Cc: Jose Abreu <joabreu@xxxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
Cc: linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c | 71 ++++++++++++++++++++++++
1 file changed, 71 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index 20906287b6d4..292045f4581f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -375,6 +375,75 @@ static const struct stmmac_pci_info quark_pci_info = {
.setup = quark_default_data,
};

+static int snps_gmac5_default_data(struct pci_dev *pdev,
+ struct plat_stmmacenet_data *plat)
+{
+ int i;
+
+ plat->clk_csr = 5;
+ plat->has_gmac4 = 1;
+ plat->force_sf_dma_mode = 1;
+ plat->tso_en = 1;
+ plat->pmt = 1;
+
+ plat->mdio_bus_data->phy_mask = 0;
+
+ /* 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 default number of RX and TX queues to use */
+ plat->tx_queues_to_use = 4;
+ plat->rx_queues_to_use = 4;
+
+ plat->tx_sched_algorithm = MTL_TX_ALGORITHM_WRR;
+ for (i = 0; i < plat->tx_queues_to_use; i++) {
+ plat->tx_queues_cfg[i].use_prio = false;
+ plat->tx_queues_cfg[i].mode_to_use = MTL_QUEUE_DCB;
+ plat->tx_queues_cfg[i].weight = 25;
+ }
+
+ plat->rx_sched_algorithm = MTL_RX_ALGORITHM_SP;
+ for (i = 0; i < plat->rx_queues_to_use; i++) {
+ plat->rx_queues_cfg[i].use_prio = false;
+ plat->rx_queues_cfg[i].mode_to_use = MTL_QUEUE_DCB;
+ plat->rx_queues_cfg[i].pkt_route = 0x0;
+ plat->rx_queues_cfg[i].chan = i;
+ }
+
+ plat->bus_id = 1;
+ plat->phy_addr = -1;
+ plat->interface = PHY_INTERFACE_MODE_GMII;
+
+ plat->dma_cfg->pbl = 32;
+ plat->dma_cfg->pblx8 = true;
+
+ /* Axi Configuration */
+ plat->axi = devm_kzalloc(&pdev->dev, sizeof(*plat->axi), GFP_KERNEL);
+ if (!plat->axi)
+ return -ENOMEM;
+
+ plat->axi->axi_wr_osr_lmt = 31;
+ plat->axi->axi_rd_osr_lmt = 31;
+
+ plat->axi->axi_fb = false;
+ plat->axi->axi_blen[0] = 4;
+ plat->axi->axi_blen[1] = 8;
+ plat->axi->axi_blen[2] = 16;
+ plat->axi->axi_blen[3] = 32;
+
+ return 0;
+}
+
+static const struct stmmac_pci_info snps_gmac5_pci_info = {
+ .setup = snps_gmac5_default_data,
+};
+
/**
* stmmac_pci_probe
*
@@ -518,6 +587,7 @@ static SIMPLE_DEV_PM_OPS(stmmac_pm_ops, stmmac_pci_suspend, stmmac_pci_resume);
#define STMMAC_EHL_RGMII1G_ID 0x4b30
#define STMMAC_EHL_SGMII1G_ID 0x4b31
#define STMMAC_TGL_SGMII1G_ID 0xa0ac
+#define STMMAC_GMAC5_ID 0x7102

#define STMMAC_DEVICE(vendor_id, dev_id, info) { \
PCI_VDEVICE(vendor_id, dev_id), \
@@ -531,6 +601,7 @@ static const struct pci_device_id stmmac_id_table[] = {
STMMAC_DEVICE(INTEL, STMMAC_EHL_RGMII1G_ID, ehl_rgmii1g_pci_info),
STMMAC_DEVICE(INTEL, STMMAC_EHL_SGMII1G_ID, ehl_sgmii1g_pci_info),
STMMAC_DEVICE(INTEL, STMMAC_TGL_SGMII1G_ID, tgl_sgmii1g_pci_info),
+ STMMAC_DEVICE(SYNOPSYS, STMMAC_GMAC5_ID, snps_gmac5_pci_info),
{}
};

--
2.7.4