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openwrt/target/linux/lantiq/patches-5.10/0705-v5.13-net-dsa-lantiq-allow-to-use-all-GPHYs-on-xRX300-and-.patch
John Audia 9edc514e3d kernel: bump 5.10 to 5.10.122 
All patches automatically rebased.

Build system: x86_64
Build-tested: ipq806x/R7800

Signed-off-by: John Audia <therealgraysky@proton.me>
2022-06-27 00:57:15 +02:00

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From a09d042b086202735c4ed64573cdd79933020001 Mon Sep 17 00:00:00 2001
From: Aleksander Jan Bajkowski <olek2@wp.pl>
Date: Mon, 22 Mar 2021 21:37:15 +0100
Subject: [PATCH] net: dsa: lantiq: allow to use all GPHYs on xRX300 and xRX330
This patch allows to use all PHYs on GRX300 and GRX330. The ARX300
has 3 and the GRX330 has 4 integrated PHYs connected to different
ports compared to VRX200. Each integrated PHY can work as single
Gigabit Ethernet PHY (GMII) or as double Fast Ethernet PHY (MII).
Allowed port configurations:
xRX200:
GMAC0: RGMII, MII, REVMII or RMII port
GMAC1: RGMII, MII, REVMII or RMII port
GMAC2: GPHY0 (GMII)
GMAC3: GPHY0 (MII)
GMAC4: GPHY1 (GMII)
GMAC5: GPHY1 (MII) or RGMII port
xRX300:
GMAC0: RGMII port
GMAC1: GPHY2 (GMII)
GMAC2: GPHY0 (GMII)
GMAC3: GPHY0 (MII)
GMAC4: GPHY1 (GMII)
GMAC5: GPHY1 (MII) or RGMII port
xRX330:
GMAC0: RGMII, GMII or RMII port
GMAC1: GPHY2 (GMII)
GMAC2: GPHY0 (GMII)
GMAC3: GPHY0 (MII) or GPHY3 (GMII)
GMAC4: GPHY1 (GMII)
GMAC5: GPHY1 (MII), RGMII or RMII port
Tested on D-Link DWR966 (xRX330) with OpenWRT.
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/dsa/lantiq_gswip.c | 142 ++++++++++++++++++++++++++-------
1 file changed, 113 insertions(+), 29 deletions(-)
--- a/drivers/net/dsa/lantiq_gswip.c
+++ b/drivers/net/dsa/lantiq_gswip.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Lantiq / Intel GSWIP switch driver for VRX200 SoCs
+ * Lantiq / Intel GSWIP switch driver for VRX200, xRX300 and xRX330 SoCs
*
* Copyright (C) 2010 Lantiq Deutschland
* Copyright (C) 2012 John Crispin <john@phrozen.org>
@@ -104,6 +104,7 @@
#define GSWIP_MII_CFG_MODE_RMIIP 0x2
#define GSWIP_MII_CFG_MODE_RMIIM 0x3
#define GSWIP_MII_CFG_MODE_RGMII 0x4
+#define GSWIP_MII_CFG_MODE_GMII 0x9
#define GSWIP_MII_CFG_MODE_MASK 0xf
#define GSWIP_MII_CFG_RATE_M2P5 0x00
#define GSWIP_MII_CFG_RATE_M25 0x10
@@ -241,6 +242,7 @@
struct gswip_hw_info {
int max_ports;
int cpu_port;
+ const struct dsa_switch_ops *ops;
};
struct xway_gphy_match_data {
@@ -1438,12 +1440,42 @@ static int gswip_port_fdb_dump(struct ds
return 0;
}
-static void gswip_phylink_validate(struct dsa_switch *ds, int port,
- unsigned long *supported,
- struct phylink_link_state *state)
+static void gswip_phylink_set_capab(unsigned long *supported,
+ struct phylink_link_state *state)
{
__ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
+ /* Allow all the expected bits */
+ phylink_set(mask, Autoneg);
+ phylink_set_port_modes(mask);
+ phylink_set(mask, Pause);
+ phylink_set(mask, Asym_Pause);
+
+ /* With the exclusion of MII, Reverse MII and Reduced MII, we
+ * support Gigabit, including Half duplex
+ */
+ if (state->interface != PHY_INTERFACE_MODE_MII &&
+ state->interface != PHY_INTERFACE_MODE_REVMII &&
+ state->interface != PHY_INTERFACE_MODE_RMII) {
+ phylink_set(mask, 1000baseT_Full);
+ phylink_set(mask, 1000baseT_Half);
+ }
+
+ phylink_set(mask, 10baseT_Half);
+ phylink_set(mask, 10baseT_Full);
+ phylink_set(mask, 100baseT_Half);
+ phylink_set(mask, 100baseT_Full);
+
+ bitmap_and(supported, supported, mask,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+ bitmap_and(state->advertising, state->advertising, mask,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+}
+
+static void gswip_xrx200_phylink_validate(struct dsa_switch *ds, int port,
+ unsigned long *supported,
+ struct phylink_link_state *state)
+{
switch (port) {
case 0:
case 1:
@@ -1470,38 +1502,54 @@ static void gswip_phylink_validate(struc
return;
}
- /* Allow all the expected bits */
- phylink_set(mask, Autoneg);
- phylink_set_port_modes(mask);
- phylink_set(mask, Pause);
- phylink_set(mask, Asym_Pause);
+ gswip_phylink_set_capab(supported, state);
- /* With the exclusion of MII, Reverse MII and Reduced MII, we
- * support Gigabit, including Half duplex
- */
- if (state->interface != PHY_INTERFACE_MODE_MII &&
- state->interface != PHY_INTERFACE_MODE_REVMII &&
- state->interface != PHY_INTERFACE_MODE_RMII) {
- phylink_set(mask, 1000baseT_Full);
- phylink_set(mask, 1000baseT_Half);
+ return;
+
+unsupported:
+ bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
+ dev_err(ds->dev, "Unsupported interface '%s' for port %d\n",
+ phy_modes(state->interface), port);
+}
+
+static void gswip_xrx300_phylink_validate(struct dsa_switch *ds, int port,
+ unsigned long *supported,
+ struct phylink_link_state *state)
+{
+ switch (port) {
+ case 0:
+ if (!phy_interface_mode_is_rgmii(state->interface) &&
+ state->interface != PHY_INTERFACE_MODE_GMII &&
+ state->interface != PHY_INTERFACE_MODE_RMII)
+ goto unsupported;
+ break;
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ if (state->interface != PHY_INTERFACE_MODE_INTERNAL)
+ goto unsupported;
+ break;
+ case 5:
+ if (!phy_interface_mode_is_rgmii(state->interface) &&
+ state->interface != PHY_INTERFACE_MODE_INTERNAL &&
+ state->interface != PHY_INTERFACE_MODE_RMII)
+ goto unsupported;
+ break;
+ default:
+ bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
+ dev_err(ds->dev, "Unsupported port: %i\n", port);
+ return;
}
- phylink_set(mask, 10baseT_Half);
- phylink_set(mask, 10baseT_Full);
- phylink_set(mask, 100baseT_Half);
- phylink_set(mask, 100baseT_Full);
+ gswip_phylink_set_capab(supported, state);
- bitmap_and(supported, supported, mask,
- __ETHTOOL_LINK_MODE_MASK_NBITS);
- bitmap_and(state->advertising, state->advertising, mask,
- __ETHTOOL_LINK_MODE_MASK_NBITS);
return;
unsupported:
bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
dev_err(ds->dev, "Unsupported interface '%s' for port %d\n",
phy_modes(state->interface), port);
- return;
}
static void gswip_port_set_link(struct gswip_priv *priv, int port, bool link)
@@ -1636,6 +1684,9 @@ static void gswip_phylink_mac_config(str
case PHY_INTERFACE_MODE_RGMII_TXID:
miicfg |= GSWIP_MII_CFG_MODE_RGMII;
break;
+ case PHY_INTERFACE_MODE_GMII:
+ miicfg |= GSWIP_MII_CFG_MODE_GMII;
+ break;
default:
dev_err(ds->dev,
"Unsupported interface: %d\n", state->interface);
@@ -1762,7 +1813,7 @@ static int gswip_get_sset_count(struct d
return ARRAY_SIZE(gswip_rmon_cnt);
}
-static const struct dsa_switch_ops gswip_switch_ops = {
+static const struct dsa_switch_ops gswip_xrx200_switch_ops = {
.get_tag_protocol = gswip_get_tag_protocol,
.setup = gswip_setup,
.port_enable = gswip_port_enable,
@@ -1778,7 +1829,31 @@ static const struct dsa_switch_ops gswip
.port_fdb_add = gswip_port_fdb_add,
.port_fdb_del = gswip_port_fdb_del,
.port_fdb_dump = gswip_port_fdb_dump,
- .phylink_validate = gswip_phylink_validate,
+ .phylink_validate = gswip_xrx200_phylink_validate,
+ .phylink_mac_config = gswip_phylink_mac_config,
+ .phylink_mac_link_down = gswip_phylink_mac_link_down,
+ .phylink_mac_link_up = gswip_phylink_mac_link_up,
+ .get_strings = gswip_get_strings,
+ .get_ethtool_stats = gswip_get_ethtool_stats,
+ .get_sset_count = gswip_get_sset_count,
+};
+
+static const struct dsa_switch_ops gswip_xrx300_switch_ops = {
+ .get_tag_protocol = gswip_get_tag_protocol,
+ .setup = gswip_setup,
+ .port_enable = gswip_port_enable,
+ .port_disable = gswip_port_disable,
+ .port_bridge_join = gswip_port_bridge_join,
+ .port_bridge_leave = gswip_port_bridge_leave,
+ .port_fast_age = gswip_port_fast_age,
+ .port_vlan_filtering = gswip_port_vlan_filtering,
+ .port_vlan_add = gswip_port_vlan_add,
+ .port_vlan_del = gswip_port_vlan_del,
+ .port_stp_state_set = gswip_port_stp_state_set,
+ .port_fdb_add = gswip_port_fdb_add,
+ .port_fdb_del = gswip_port_fdb_del,
+ .port_fdb_dump = gswip_port_fdb_dump,
+ .phylink_validate = gswip_xrx300_phylink_validate,
.phylink_mac_config = gswip_phylink_mac_config,
.phylink_mac_link_down = gswip_phylink_mac_link_down,
.phylink_mac_link_up = gswip_phylink_mac_link_up,
@@ -2042,7 +2117,7 @@ static int gswip_probe(struct platform_d
priv->ds->dev = dev;
priv->ds->num_ports = priv->hw_info->max_ports;
priv->ds->priv = priv;
- priv->ds->ops = &gswip_switch_ops;
+ priv->ds->ops = priv->hw_info->ops;
priv->dev = dev;
version = gswip_switch_r(priv, GSWIP_VERSION);
@@ -2126,10 +2201,19 @@ static int gswip_remove(struct platform_
static const struct gswip_hw_info gswip_xrx200 = {
.max_ports = 7,
.cpu_port = 6,
+ .ops = &gswip_xrx200_switch_ops,
+};
+
+static const struct gswip_hw_info gswip_xrx300 = {
+ .max_ports = 7,
+ .cpu_port = 6,
+ .ops = &gswip_xrx300_switch_ops,
};
static const struct of_device_id gswip_of_match[] = {
{ .compatible = "lantiq,xrx200-gswip", .data = &gswip_xrx200 },
+ { .compatible = "lantiq,xrx300-gswip", .data = &gswip_xrx300 },
+ { .compatible = "lantiq,xrx330-gswip", .data = &gswip_xrx300 },
{},
};
MODULE_DEVICE_TABLE(of, gswip_of_match);
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