Thread (6 messages) flat view 6 messages, 2 authors, 2021-10-08
STALE1802d

[PATCH 3/4] net: stmmac: add support for dwmac 3.40a

From: Herve Codina <herve.codina@bootlin.com>
Date: 2021-10-08 10:35:38
Also in: linux-devicetree, lkml, netdev
Subsystem: networking drivers, stmmac ethernet driver, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Maxime Chevallier, Linus Torvalds

dwmac 3.40a is an old ip version that can be found on SPEAr3xx soc.

Signed-off-by: Herve Codina <herve.codina@bootlin.com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c   | 1 +
 drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 8 ++++++++
 2 files changed, 9 insertions(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
index fbfda55b4c52..5e731a72cce8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
@@ -71,6 +71,7 @@ static int dwmac_generic_probe(struct platform_device *pdev)
 
 static const struct of_device_id dwmac_generic_match[] = {
 	{ .compatible = "st,spear600-gmac"},
+	{ .compatible = "snps,dwmac-3.40a"},
 	{ .compatible = "snps,dwmac-3.50a"},
 	{ .compatible = "snps,dwmac-3.610"},
 	{ .compatible = "snps,dwmac-3.70a"},
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 62cec9bfcd33..232ac98943cd 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -508,6 +508,14 @@ stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac)
 		plat->pmt = 1;
 	}
 
+	if (of_device_is_compatible(np, "snps,dwmac-3.40a")) {
+		plat->has_gmac = 1;
+		plat->enh_desc = 1;
+		plat->tx_coe = 1;
+		plat->bugged_jumbo = 1;
+		plat->pmt = 1;
+	}
+
 	if (of_device_is_compatible(np, "snps,dwmac-4.00") ||
 	    of_device_is_compatible(np, "snps,dwmac-4.10a") ||
 	    of_device_is_compatible(np, "snps,dwmac-4.20a") ||
-- 
2.31.1


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