[PATCH 4.19 28/37] net: stmmac: add support for dwmac 3.40a

Greg Kroah-Hartman
2021-10-25T19:32:55Z

From: Herve Codina <herve.codina@bootlin.com>

[ 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>
---
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 fad503820e04..b3365b34cac7 100644
--- 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 2b800ce1d5bf..05f5084158bf 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -469,6 +469,14 @@ 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")) {
--
2.33.0