net: stmmac: add support for dwmac 3.40a

[ Upstream commit 9cb1d19f47fafad7dcf7c8564e633440c946cfd7 ]

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

Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
index fad503820e04033ffb3f7e1fa72afdbf3d1c5a69..b3365b34cac7c8ae52e3b72ac6bc20f224896b68 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
@@ -71,6 +71,7 @@ err_remove_config_dt:
 
 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 678aa2b001e0149d3f00088bfbd28cf121e8d2db..a46fea472bc4665497ee5847885c1e6a5cbfb035 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -505,6 +505,14 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **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")) {