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mediatek: backport the latest version of the mt7531 support patches

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Fixes unknown unicast flooding issue

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2020-09-07 17:47:15 +02:00
parent d8104c8353
commit c18a872825
11 changed files with 2573 additions and 1952 deletions
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98
target/linux/mediatek/patches-5.4/0600-1-6-net-dsa-mt7530-Refine-message-in-Kconfig.patch
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@ -1,98 +0,0 @@
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From: Landen Chao <landen.chao@mediatek.com>
To: <andrew@lunn.ch>, <f.fainelli@gmail.com>,
<vivien.didelot@savoirfairelinux.com>, <matthias.bgg@gmail.com>,
<robh+dt@kernel.org>, <mark.rutland@arm.com>
CC: <devicetree@vger.kernel.org>, <netdev@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>, <davem@davemloft.net>,
<sean.wang@mediatek.com>, <opensource@vdorst.com>,
<frank-w@public-files.de>, Landen Chao <landen.chao@mediatek.com>
Subject: [PATCH net-next 1/6] net: dsa: mt7530: Refine message in Kconfig
Date: Tue, 10 Dec 2019 16:14:37 +0800
Message-ID: <6ecf6cbf38223f35854bc361c2eefa1d85c724d2.1575914275.git.landen.chao@mediatek.com>
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Refine message in Kconfig with fixing typo and an explicit MT7621 support.
Signed-off-by: Landen Chao <landen.chao@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
---
drivers/net/dsa/Kconfig | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/net/dsa/Kconfig
+++ b/drivers/net/dsa/Kconfig
@@ -33,12 +33,12 @@ config NET_DSA_LANTIQ_GSWIP
the xrx200 / VR9 SoC.
config NET_DSA_MT7530
- tristate "Mediatek MT7530 Ethernet switch support"
+ tristate "MediaTek MT7530 and MT7621 Ethernet switch support"
depends on NET_DSA
select NET_DSA_TAG_MTK
---help---
- This enables support for the Mediatek MT7530 Ethernet switch
- chip.
+ This enables support for the MediaTek MT7530 and MT7621 Ethernet
+ switch chip.
config NET_DSA_MV88E6060
tristate "Marvell 88E6060 ethernet switch chip support"

441
target/linux/mediatek/patches-5.4/0600-2-6-net-dsa-mt7530-Extend-device-data-ready-for-adding-a-new-hardware.patch
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@ -1,441 +0,0 @@
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From: Landen Chao <landen.chao@mediatek.com>
To: <andrew@lunn.ch>, <f.fainelli@gmail.com>,
<vivien.didelot@savoirfairelinux.com>, <matthias.bgg@gmail.com>,
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<sean.wang@mediatek.com>, <opensource@vdorst.com>,
<frank-w@public-files.de>, Landen Chao <landen.chao@mediatek.com>
Subject: [PATCH net-next 2/6] net: dsa: mt7530: Extend device data ready for
adding a new hardware
Date: Tue, 10 Dec 2019 16:14:38 +0800
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Add a structure holding required operations for each device such as device
initialization, PHY port read or write, a checker whether PHY interface is
supported on a certain port, MAC port setup for either bus pad or a
specific PHY interface.
The patch is done for ready adding a new hardware MT7531.
Signed-off-by: Landen Chao <landen.chao@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
drivers/net/dsa/mt7530.c | 231 +++++++++++++++++++++++++++++----------
drivers/net/dsa/mt7530.h | 29 ++++-
2 files changed, 203 insertions(+), 57 deletions(-)
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -373,7 +373,7 @@ mt7530_fdb_write(struct mt7530_priv *pri
}
static int
-mt7530_pad_clk_setup(struct dsa_switch *ds, int mode)
+mt7530_pad_clk_setup(struct dsa_switch *ds, phy_interface_t mode)
{
struct mt7530_priv *priv = ds->priv;
u32 ncpo1, ssc_delta, trgint, i, xtal;
@@ -1355,13 +1355,111 @@ mt7530_setup(struct dsa_switch *ds)
return 0;
}
-static void mt7530_phylink_mac_config(struct dsa_switch *ds, int port,
+static bool mt7530_phy_supported(struct dsa_switch *ds, int port,
+ const struct phylink_link_state *state)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ switch (port) {
+ case 0: /* Internal phy */
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ if (state->interface != PHY_INTERFACE_MODE_GMII)
+ goto unsupported;
+ break;
+ case 5: /* 2nd cpu port with phy of port 0 or 4 / external phy */
+ if (!phy_interface_mode_is_rgmii(state->interface) &&
+ state->interface != PHY_INTERFACE_MODE_MII &&
+ state->interface != PHY_INTERFACE_MODE_GMII)
+ goto unsupported;
+ break;
+ case 6: /* 1st cpu port */
+ if (state->interface != PHY_INTERFACE_MODE_RGMII &&
+ state->interface != PHY_INTERFACE_MODE_TRGMII)
+ goto unsupported;
+ break;
+ default:
+ dev_err(priv->dev, "%s: unsupported port: %i\n", __func__,
+ port);
+ goto unsupported;
+ }
+
+ return true;
+
+unsupported:
+ return false;
+}
+
+static bool mt753x_phy_supported(struct dsa_switch *ds, int port,
+ const struct phylink_link_state *state)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ return priv->info->phy_supported(ds, port, state);
+}
+
+static int
+mt7530_pad_setup(struct dsa_switch *ds, const struct phylink_link_state *state)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ /* Setup TX circuit incluing relevant PAD and driving */
+ mt7530_pad_clk_setup(ds, state->interface);
+
+ if (priv->id == ID_MT7530) {
+ /* Setup RX circuit, relevant PAD and driving on the
+ * host which must be placed after the setup on the
+ * device side is all finished.
+ */
+ mt7623_pad_clk_setup(ds);
+ }
+
+ return 0;
+}
+
+static int
+mt753x_pad_setup(struct dsa_switch *ds, const struct phylink_link_state *state)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ return priv->info->pad_setup(ds, state);
+}
+
+static int
+mt7530_mac_setup(struct dsa_switch *ds, int port, unsigned int mode,
+ const struct phylink_link_state *state)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ /* Only need to setup port5. */
+ if (port != 5)
+ return 0;
+
+ mt7530_setup_port5(priv->ds, state->interface);
+
+ return 0;
+}
+
+static int mt753x_mac_setup(struct dsa_switch *ds, int port, unsigned int mode,
+ const struct phylink_link_state *state)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ return priv->info->mac_setup(ds, port, mode, state);
+}
+
+static void mt753x_phylink_mac_config(struct dsa_switch *ds, int port,
unsigned int mode,
const struct phylink_link_state *state)
{
struct mt7530_priv *priv = ds->priv;
u32 mcr_cur, mcr_new;
+ if (!mt753x_phy_supported(ds, port, state))
+ return;
+
switch (port) {
case 0: /* Internal phy */
case 1:
@@ -1374,24 +1472,15 @@ static void mt7530_phylink_mac_config(st
case 5: /* 2nd cpu port with phy of port 0 or 4 / external phy */
if (priv->p5_interface == state->interface)
break;
- if (!phy_interface_mode_is_rgmii(state->interface) &&
- state->interface != PHY_INTERFACE_MODE_MII &&
- state->interface != PHY_INTERFACE_MODE_GMII)
- return;
-
- mt7530_setup_port5(ds, state->interface);
+ if (mt753x_mac_setup(ds, port, mode, state) < 0)
+ goto unsupported;
break;
case 6: /* 1st cpu port */
if (priv->p6_interface == state->interface)
break;
-
- if (state->interface != PHY_INTERFACE_MODE_RGMII &&
- state->interface != PHY_INTERFACE_MODE_TRGMII)
- return;
-
- /* Setup TX circuit incluing relevant PAD and driving */
- mt7530_pad_clk_setup(ds, state->interface);
-
+ mt753x_pad_setup(ds, state);
+ if (mt753x_mac_setup(ds, port, mode, state) < 0)
+ goto unsupported;
priv->p6_interface = state->interface;
break;
default:
@@ -1459,38 +1548,14 @@ static void mt7530_phylink_mac_link_up(s
mt7530_port_set_status(priv, port, 1);
}
-static void mt7530_phylink_validate(struct dsa_switch *ds, int port,
+static void mt753x_phylink_validate(struct dsa_switch *ds, int port,
unsigned long *supported,
struct phylink_link_state *state)
{
__ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
- switch (port) {
- case 0: /* Internal phy */
- case 1:
- case 2:
- case 3:
- case 4:
- if (state->interface != PHY_INTERFACE_MODE_NA &&
- state->interface != PHY_INTERFACE_MODE_GMII)
- goto unsupported;
- break;
- case 5: /* 2nd cpu port with phy of port 0 or 4 / external phy */
- if (state->interface != PHY_INTERFACE_MODE_NA &&
- !phy_interface_mode_is_rgmii(state->interface) &&
- state->interface != PHY_INTERFACE_MODE_MII &&
- state->interface != PHY_INTERFACE_MODE_GMII)
- goto unsupported;
- break;
- case 6: /* 1st cpu port */
- if (state->interface != PHY_INTERFACE_MODE_NA &&
- state->interface != PHY_INTERFACE_MODE_RGMII &&
- state->interface != PHY_INTERFACE_MODE_TRGMII)
- goto unsupported;
- break;
- default:
- dev_err(ds->dev, "%s: unsupported port: %i\n", __func__, port);
-unsupported:
+ if (state->interface != PHY_INTERFACE_MODE_NA &&
+ !mt753x_phy_supported(ds, port, state)) {
linkmode_zero(supported);
return;
}
@@ -1609,12 +1674,36 @@ static int mt7530_set_mac_eee(struct dsa
return 0;
}
+static int
+mt753x_setup(struct dsa_switch *ds)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ return priv->info->setup(ds);
+}
+
+static int
+mt753x_phy_read(struct dsa_switch *ds, int port, int regnum)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ return priv->info->phy_read(ds, port, regnum);
+}
+
+static int
+mt753x_phy_write(struct dsa_switch *ds, int port, int regnum, u16 val)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ return priv->info->phy_write(ds, port, regnum, val);
+}
+
static const struct dsa_switch_ops mt7530_switch_ops = {
.get_tag_protocol = mtk_get_tag_protocol,
- .setup = mt7530_setup,
+ .setup = mt753x_setup,
.get_strings = mt7530_get_strings,
- .phy_read = mt7530_phy_read,
- .phy_write = mt7530_phy_write,
+ .phy_read = mt753x_phy_read,
+ .phy_write = mt753x_phy_write,
.get_ethtool_stats = mt7530_get_ethtool_stats,
.get_sset_count = mt7530_get_sset_count,
.port_enable = mt7530_port_enable,
@@ -1631,18 +1720,39 @@ static const struct dsa_switch_ops mt753
.port_vlan_del = mt7530_port_vlan_del,
.port_mirror_add = mt7530_port_mirror_add,
.port_mirror_del = mt7530_port_mirror_del,
- .phylink_validate = mt7530_phylink_validate,
+ .phylink_validate = mt753x_phylink_validate,
.phylink_mac_link_state = mt7530_phylink_mac_link_state,
- .phylink_mac_config = mt7530_phylink_mac_config,
+ .phylink_mac_config = mt753x_phylink_mac_config,
.phylink_mac_link_down = mt7530_phylink_mac_link_down,
.phylink_mac_link_up = mt7530_phylink_mac_link_up,
.get_mac_eee = mt7530_get_mac_eee,
.set_mac_eee = mt7530_set_mac_eee,
};
-static const struct of_device_id mt7530_of_match[] = {
- { .compatible = "mediatek,mt7621", .data = (void *)ID_MT7621, },
- { .compatible = "mediatek,mt7530", .data = (void *)ID_MT7530, },
+static const struct mt753x_info mt753x_table[] = {
+ [ID_MT7621] = {
+ .id = ID_MT7621,
+ .setup = mt7530_setup,
+ .phy_read = mt7530_phy_read,
+ .phy_write = mt7530_phy_write,
+ .phy_supported = mt7530_phy_supported,
+ .pad_setup = mt7530_pad_setup,
+ .mac_setup = mt7530_mac_setup,
+ },
+ [ID_MT7530] = {
+ .id = ID_MT7530,
+ .setup = mt7530_setup,
+ .phy_read = mt7530_phy_read,
+ .phy_write = mt7530_phy_write,
+ .phy_supported = mt7530_phy_supported,
+ .pad_setup = mt7530_pad_setup,
+ .mac_setup = mt7530_mac_setup,
+ },
+};
+
+ static const struct of_device_id mt7530_of_match[] = {
+ { .compatible = "mediatek,mt7621", .data = &mt753x_table[ID_MT7621], },
+ { .compatible = "mediatek,mt7530", .data = &mt753x_table[ID_MT7530], },
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, mt7530_of_match);
@@ -1680,8 +1790,19 @@ mt7530_probe(struct mdio_device *mdiodev
/* Get the hardware identifier from the devicetree node.
* We will need it for some of the clock and regulator setup.
*/
- priv->id = (unsigned int)(unsigned long)
- of_device_get_match_data(&mdiodev->dev);
+ priv->info = of_device_get_match_data(&mdiodev->dev);
+ if (!priv->info)
+ return -EINVAL;
+
+ /* Sanity check if these required device operstaions are filled
+ * properly.
+ */
+ if (!priv->info->setup || !priv->info->phy_read ||
+ !priv->info->phy_write || !priv->info->phy_supported ||
+ !priv->info->pad_setup || !priv->info->mac_setup)
+ return -EINVAL;
+
+ priv->id = priv->info->id;
if (priv->id == ID_MT7530) {
priv->core_pwr = devm_regulator_get(&mdiodev->dev, "core");
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -11,7 +11,7 @@
#define MT7530_NUM_FDB_RECORDS 2048
#define MT7530_ALL_MEMBERS 0xff
-enum {
+enum mt753x_id {
ID_MT7530 = 0,
ID_MT7621 = 1,
};
@@ -447,6 +447,32 @@ static const char *p5_intf_modes(unsigne
}
}
+/* struct mt753x_info - This is the main data structure for holding the specific
+ * part for each supported device
+ * @setup: Holding the handler to a device initialization
+ * @phy_read: Holding the way reading PHY port
+ * @phy_write: Holding the way writing PHY port
+ * @phy_supported: Check if the PHY type is being supported on a certain
+ * port
+ * @pad_setup: Holding the way setting up the bus pad for a certain MAC
+ * port
+ * @mac_setup: Holding the way setting up the PHY attribute for a
+ * certain MAC port
+ */
+struct mt753x_info {
+ enum mt753x_id id;
+
+ int (*setup)(struct dsa_switch *ds);
+ int (*phy_read)(struct dsa_switch *ds, int port, int regnum);
+ int (*phy_write)(struct dsa_switch *ds, int port, int regnum, u16 val);
+ bool (*phy_supported)(struct dsa_switch *ds, int port,
+ const struct phylink_link_state *state);
+ int (*pad_setup)(struct dsa_switch *ds,
+ const struct phylink_link_state *state);
+ int (*mac_setup)(struct dsa_switch *ds, int port, unsigned int mode,
+ const struct phylink_link_state *state);
+};
+
/* struct mt7530_priv - This is the main data structure for holding the state
* of the driver
* @dev: The device pointer
@@ -472,6 +498,7 @@ struct mt7530_priv {
struct regulator *core_pwr;
struct regulator *io_pwr;
struct gpio_desc *reset;
+ const struct mt753x_info *info;
unsigned int id;
bool mcm;
phy_interface_t p6_interface;

179
target/linux/mediatek/patches-5.4/0600-3-6-dt-bindings-net-dsa-add-new-MT7531-binding-to-support-MT7531.patch
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@ -1,179 +0,0 @@
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From: Landen Chao <landen.chao@mediatek.com>
To: <andrew@lunn.ch>, <f.fainelli@gmail.com>,
<vivien.didelot@savoirfairelinux.com>, <matthias.bgg@gmail.com>,
<robh+dt@kernel.org>, <mark.rutland@arm.com>
CC: <devicetree@vger.kernel.org>, <netdev@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>, <davem@davemloft.net>,
<sean.wang@mediatek.com>, <opensource@vdorst.com>,
<frank-w@public-files.de>, Landen Chao <landen.chao@mediatek.com>
Subject: [PATCH net-next 3/6] dt-bindings: net: dsa: add new MT7531 binding
to support MT7531
Date: Tue, 10 Dec 2019 16:14:39 +0800
Message-ID: <1c382fd916b66bfe3ce8ef18c12f954dbcbddbbc.1575914275.git.landen.chao@mediatek.com>
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Add devicetree binding to support the compatible mt7531 switch as used
in the MediaTek MT7531 switch.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Landen Chao <landen.chao@mediatek.com>
---
.../devicetree/bindings/net/dsa/mt7530.txt | 77 ++++++++++++++++++-
1 file changed, 74 insertions(+), 3 deletions(-)
--- a/Documentation/devicetree/bindings/net/dsa/mt7530.txt
+++ b/Documentation/devicetree/bindings/net/dsa/mt7530.txt
@@ -5,6 +5,7 @@ Required properties:
- compatible: may be compatible = "mediatek,mt7530"
or compatible = "mediatek,mt7621"
+ or compatible = "mediatek,mt7531"
- #address-cells: Must be 1.
- #size-cells: Must be 0.
- mediatek,mcm: Boolean; if defined, indicates that either MT7530 is the part
@@ -32,10 +33,13 @@ Required properties for the child nodes
- reg: Port address described must be 6 for CPU port and from 0 to 5 for
user ports.
-- phy-mode: String, must be either "trgmii" or "rgmii" for port labeled
- "cpu".
+- phy-mode: String, the follow value would be acceptable for port labeled "cpu"
+ If compatible mediatek,mt7530 or mediatek,mt7621 is set,
+ must be either "trgmii" or "rgmii"
+ If compatible mediatek,mt7531 is set,
+ must be either "sgmii", "1000base-x" or "2500base-x"
-Port 5 of the switch is muxed between:
+Port 5 of mt7530 and mt7621 switch is muxed between:
1. GMAC5: GMAC5 can interface with another external MAC or PHY.
2. PHY of port 0 or port 4: PHY interfaces with an external MAC like 2nd GMAC
of the SOC. Used in many setups where port 0/4 becomes the WAN port.
@@ -308,3 +312,70 @@ Example 3: MT7621: Port 5 is connected t
};
};
};
+
+Example 4:
+
+&eth {
+ gmac0: mac@0 {
+ compatible = "mediatek,eth-mac";
+ reg = <0>;
+ phy-mode = "2500base-x";
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ pause;
+ };
+ };
+
+ &mdio0 {
+ switch@0 {
+ compatible = "mediatek,mt7531";
+ reg = <0>;
+ reset-gpios = <&pio 54 0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ port@0 {
+ reg = <0>;
+ label = "lan0";
+ };
+
+ port@1 {
+ reg = <1>;
+ label = "lan1";
+ };
+
+ port@2 {
+ reg = <2>;
+ label = "lan2";
+ };
+
+ port@3 {
+ reg = <3>;
+ label = "lan3";
+ };
+
+ port@4 {
+ reg = <4>;
+ label = "wan";
+ };
+
+ port@6 {
+ reg = <6>;
+ label = "cpu";
+ ethernet = <&gmac0>;
+ phy-mode = "2500base-x";
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ pause;
+ };
+ };
+ };
+ };
+ };

1096
target/linux/mediatek/patches-5.4/0600-4-6-net-dsa-mt7530-Add-the-support-of-MT7531-switch.patch
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File diff suppressed because it is too large Load Diff

138
target/linux/mediatek/patches-5.4/0600-6-6-arm64-dts-mt7622-add-mt7531-dsa-to-bananapi-bpi-r64-board.patch
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@ -1,138 +0,0 @@
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From: Landen Chao <landen.chao@mediatek.com>
To: <andrew@lunn.ch>, <f.fainelli@gmail.com>,
<vivien.didelot@savoirfairelinux.com>, <matthias.bgg@gmail.com>,
<robh+dt@kernel.org>, <mark.rutland@arm.com>
CC: <devicetree@vger.kernel.org>, <netdev@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>, <davem@davemloft.net>,
<sean.wang@mediatek.com>, <opensource@vdorst.com>,
<frank-w@public-files.de>, Landen Chao <landen.chao@mediatek.com>
Subject: [PATCH net-next 6/6] arm64: dts: mt7622: add mt7531 dsa to
bananapi-bpi-r64 board
Date: Tue, 10 Dec 2019 16:14:42 +0800
Message-ID: <62eef5503c117f48d4b41e94fd28d75e123590b4.1575914275.git.landen.chao@mediatek.com>
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Add mt7531 dsa to bananapi-bpi-r64 board for 5 giga Ethernet ports support.
Signed-off-by: Landen Chao <landen.chao@mediatek.com>
---
.../dts/mediatek/mt7622-bananapi-bpi-r64.dts | 50 +++++++++++++++++++
1 file changed, 50 insertions(+)
--- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
@@ -150,6 +150,56 @@
mdio: mdio-bus {
#address-cells = <1>;
#size-cells = <0>;
+
+ switch@0 {
+ compatible = "mediatek,mt7531";
+ reg = <0>;
+ reset-gpios = <&pio 54 0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ label = "wan";
+ };
+
+ port@1 {
+ reg = <1>;
+ label = "lan0";
+ };
+
+ port@2 {
+ reg = <2>;
+ label = "lan1";
+ };
+
+ port@3 {
+ reg = <3>;
+ label = "lan2";
+ };
+
+ port@4 {
+ reg = <4>;
+ label = "lan3";
+ };
+
+ port@6 {
+ reg = <6>;
+ label = "cpu";
+ ethernet = <&gmac0>;
+ phy-mode = "2500base-x";
+
+ fixed-link {
+ speed = <2500>;
+ full-duplex;
+ pause;
+ };
+ };
+ };
+ };
+
};
};

246
target/linux/mediatek/patches-5.4/0600-net-phylink-propagate-resolved-link-config-via-mac_l.patch Normal file
View File

@ -0,0 +1,246 @@
From: Russell King <rmk+kernel@armlinux.org.uk>
Date: Wed, 26 Feb 2020 10:23:41 +0000
Subject: [PATCH] net: phylink: propagate resolved link config via
mac_link_up()
Propagate the resolved link parameters via the mac_link_up() call for
MACs that do not automatically track their PCS state. We propagate the
link parameters via function arguments so that inappropriate members
of struct phylink_link_state can't be accessed, and creating a new
structure just for this adds needless complexity to the API.
Tested-by: Andre Przywara <andre.przywara@arm.com>
Tested-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
--- a/Documentation/networking/sfp-phylink.rst
+++ b/Documentation/networking/sfp-phylink.rst
@@ -74,10 +74,13 @@ phylib to the sfp/phylink support. Plea
this documentation.
1. Optionally split the network driver's phylib update function into
- three parts dealing with link-down, link-up and reconfiguring the
- MAC settings. This can be done as a separate preparation commit.
+ two parts dealing with link-down and link-up. This can be done as
+ a separate preparation commit.
- An example of this preparation can be found in git commit fc548b991fb0.
+ An older example of this preparation can be found in git commit
+ fc548b991fb0, although this was splitting into three parts; the
+ link-up part now includes configuring the MAC for the link settings.
+ Please see :c:func:`mac_link_up` for more information on this.
2. Replace::
@@ -207,6 +210,14 @@ this documentation.
using. This is particularly important for in-band negotiation
methods such as 1000base-X and SGMII.
+ The :c:func:`mac_link_up` method is used to inform the MAC that the
+ link has come up. The call includes the negotiation mode and interface
+ for reference only. The finalised link parameters are also supplied
+ (speed, duplex and flow control/pause enablement settings) which
+ should be used to configure the MAC when the MAC and PCS are not
+ tightly integrated, or when the settings are not coming from in-band
+ negotiation.
+
The :c:func:`mac_config` method is used to update the MAC with the
requested state, and must avoid unnecessarily taking the link down
when making changes to the MAC configuration. This means the
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3653,9 +3653,11 @@ static void mvneta_mac_link_down(struct
mvneta_set_eee(pp, false);
}
-static void mvneta_mac_link_up(struct phylink_config *config, unsigned int mode,
- phy_interface_t interface,
- struct phy_device *phy)
+static void mvneta_mac_link_up(struct phylink_config *config,
+ struct phy_device *phy,
+ unsigned int mode, phy_interface_t interface,
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause)
{
struct net_device *ndev = to_net_dev(config->dev);
struct mvneta_port *pp = netdev_priv(ndev);
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -58,8 +58,11 @@ static struct {
*/
static void mvpp2_mac_config(struct phylink_config *config, unsigned int mode,
const struct phylink_link_state *state);
-static void mvpp2_mac_link_up(struct phylink_config *config, unsigned int mode,
- phy_interface_t interface, struct phy_device *phy);
+static void mvpp2_mac_link_up(struct phylink_config *config,
+ struct phy_device *phy,
+ unsigned int mode, phy_interface_t interface,
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause);
/* Queue modes */
#define MVPP2_QDIST_SINGLE_MODE 0
@@ -3467,8 +3470,9 @@ static void mvpp2_start_dev(struct mvpp2
.interface = port->phy_interface,
};
mvpp2_mac_config(&port->phylink_config, MLO_AN_INBAND, &state);
- mvpp2_mac_link_up(&port->phylink_config, MLO_AN_INBAND,
- port->phy_interface, NULL);
+ mvpp2_mac_link_up(&port->phylink_config, NULL,
+ MLO_AN_INBAND, port->phy_interface,
+ SPEED_UNKNOWN, DUPLEX_UNKNOWN, false, false);
}
netif_tx_start_all_queues(port->dev);
@@ -5124,8 +5128,11 @@ static void mvpp2_mac_config(struct phyl
mvpp2_port_enable(port);
}
-static void mvpp2_mac_link_up(struct phylink_config *config, unsigned int mode,
- phy_interface_t interface, struct phy_device *phy)
+static void mvpp2_mac_link_up(struct phylink_config *config,
+ struct phy_device *phy,
+ unsigned int mode, phy_interface_t interface,
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause)
{
struct net_device *dev = to_net_dev(config->dev);
struct mvpp2_port *port = netdev_priv(dev);
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -445,9 +445,10 @@ static void mtk_mac_link_down(struct phy
mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id));
}
-static void mtk_mac_link_up(struct phylink_config *config, unsigned int mode,
- phy_interface_t interface,
- struct phy_device *phy)
+static void mtk_mac_link_up(struct phylink_config *config,
+ struct phy_device *phy,
+ unsigned int mode, phy_interface_t interface,
+ int speed, int duplex, bool tx_pause, bool rx_pause)
{
struct mtk_mac *mac = container_of(config, struct mtk_mac,
phylink_config);
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -951,8 +951,10 @@ static void stmmac_mac_link_down(struct
}
static void stmmac_mac_link_up(struct phylink_config *config,
+ struct phy_device *phy,
unsigned int mode, phy_interface_t interface,
- struct phy_device *phy)
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause)
{
struct stmmac_priv *priv = netdev_priv(to_net_dev(config->dev));
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -1488,9 +1488,10 @@ static void axienet_mac_link_down(struct
}
static void axienet_mac_link_up(struct phylink_config *config,
- unsigned int mode,
- phy_interface_t interface,
- struct phy_device *phy)
+ struct phy_device *phy,
+ unsigned int mode, phy_interface_t interface,
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause)
{
/* nothing meaningful to do */
}
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -447,8 +447,11 @@ static void phylink_mac_link_up(struct p
struct net_device *ndev = pl->netdev;
pl->cur_interface = link_state.interface;
- pl->ops->mac_link_up(pl->config, pl->cur_link_an_mode,
- pl->cur_interface, pl->phydev);
+ pl->ops->mac_link_up(pl->config, pl->phydev,
+ pl->cur_link_an_mode, pl->cur_interface,
+ link_state.speed, link_state.duplex,
+ !!(link_state.pause & MLO_PAUSE_TX),
+ !!(link_state.pause & MLO_PAUSE_RX));
if (ndev)
netif_carrier_on(ndev);
--- a/include/linux/phylink.h
+++ b/include/linux/phylink.h
@@ -91,9 +91,10 @@ struct phylink_mac_ops {
void (*mac_an_restart)(struct phylink_config *config);
void (*mac_link_down)(struct phylink_config *config, unsigned int mode,
phy_interface_t interface);
- void (*mac_link_up)(struct phylink_config *config, unsigned int mode,
- phy_interface_t interface,
- struct phy_device *phy);
+ void (*mac_link_up)(struct phylink_config *config,
+ struct phy_device *phy, unsigned int mode,
+ phy_interface_t interface, int speed, int duplex,
+ bool tx_pause, bool rx_pause);
};
#if 0 /* For kernel-doc purposes only. */
@@ -217,19 +218,34 @@ void mac_link_down(struct phylink_config
/**
* mac_link_up() - allow the link to come up
* @config: a pointer to a &struct phylink_config.
+ * @phy: any attached phy
* @mode: link autonegotiation mode
* @interface: link &typedef phy_interface_t mode
- * @phy: any attached phy
+ * @speed: link speed
+ * @duplex: link duplex
+ * @tx_pause: link transmit pause enablement status
+ * @rx_pause: link receive pause enablement status
*
- * If @mode is not an in-band negotiation mode (as defined by
- * phylink_autoneg_inband()), allow the link to come up. If @phy
- * is non-%NULL, configure Energy Efficient Ethernet by calling
+ * Configure the MAC for an established link.
+ *
+ * @speed, @duplex, @tx_pause and @rx_pause indicate the finalised link
+ * settings, and should be used to configure the MAC block appropriately
+ * where these settings are not automatically conveyed from the PCS block,
+ * or if in-band negotiation (as defined by phylink_autoneg_inband(@mode))
+ * is disabled.
+ *
+ * Note that when 802.3z in-band negotiation is in use, it is possible
+ * that the user wishes to override the pause settings, and this should
+ * be allowed when considering the implementation of this method.
+ *
+ * If in-band negotiation mode is disabled, allow the link to come up. If
+ * @phy is non-%NULL, configure Energy Efficient Ethernet by calling
* phy_init_eee() and perform appropriate MAC configuration for EEE.
* Interface type selection must be done in mac_config().
*/
-void mac_link_up(struct phylink_config *config, unsigned int mode,
- phy_interface_t interface,
- struct phy_device *phy);
+void mac_link_up(struct phylink_config *config, struct phy_device *phy,
+ unsigned int mode, phy_interface_t interface,
+ int speed, int duplex, bool tx_pause, bool rx_pause);
#endif
struct phylink *phylink_create(struct phylink_config *, struct fwnode_handle *,
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -529,9 +529,11 @@ void dsa_port_phylink_mac_link_down(stru
EXPORT_SYMBOL_GPL(dsa_port_phylink_mac_link_down);
void dsa_port_phylink_mac_link_up(struct phylink_config *config,
+ struct phy_device *phydev,
unsigned int mode,
phy_interface_t interface,
- struct phy_device *phydev)
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause)
{
struct dsa_port *dp = container_of(config, struct dsa_port, pl_config);
struct dsa_switch *ds = dp->ds;

143
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@ -0,0 +1,143 @@
From: Russell King <rmk+kernel@armlinux.org.uk>
Date: Wed, 26 Feb 2020 10:23:46 +0000
Subject: [PATCH] net: dsa: propagate resolved link config via mac_link_up()
Propagate the resolved link configuration down via DSA's
phylink_mac_link_up() operation to allow split PCS/MAC to work.
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1276,7 +1276,9 @@ EXPORT_SYMBOL(b53_phylink_mac_link_down)
void b53_phylink_mac_link_up(struct dsa_switch *ds, int port,
unsigned int mode,
phy_interface_t interface,
- struct phy_device *phydev)
+ struct phy_device *phydev,
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause)
{
struct b53_device *dev = ds->priv;
--- a/drivers/net/dsa/b53/b53_priv.h
+++ b/drivers/net/dsa/b53/b53_priv.h
@@ -337,7 +337,9 @@ void b53_phylink_mac_link_down(struct ds
void b53_phylink_mac_link_up(struct dsa_switch *ds, int port,
unsigned int mode,
phy_interface_t interface,
- struct phy_device *phydev);
+ struct phy_device *phydev,
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause);
int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering);
int b53_vlan_prepare(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_vlan *vlan);
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -635,7 +635,9 @@ static void bcm_sf2_sw_mac_link_down(str
static void bcm_sf2_sw_mac_link_up(struct dsa_switch *ds, int port,
unsigned int mode,
phy_interface_t interface,
- struct phy_device *phydev)
+ struct phy_device *phydev,
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause)
{
struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds);
struct ethtool_eee *p = &priv->dev->ports[port].eee;
--- a/drivers/net/dsa/lantiq_gswip.c
+++ b/drivers/net/dsa/lantiq_gswip.c
@@ -1517,7 +1517,9 @@ static void gswip_phylink_mac_link_down(
static void gswip_phylink_mac_link_up(struct dsa_switch *ds, int port,
unsigned int mode,
phy_interface_t interface,
- struct phy_device *phydev)
+ struct phy_device *phydev,
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause)
{
struct gswip_priv *priv = ds->priv;
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -1452,7 +1452,9 @@ static void mt7530_phylink_mac_link_down
static void mt7530_phylink_mac_link_up(struct dsa_switch *ds, int port,
unsigned int mode,
phy_interface_t interface,
- struct phy_device *phydev)
+ struct phy_device *phydev,
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause)
{
struct mt7530_priv *priv = ds->priv;
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -652,7 +652,9 @@ static void mv88e6xxx_mac_link_down(stru
static void mv88e6xxx_mac_link_up(struct dsa_switch *ds, int port,
unsigned int mode, phy_interface_t interface,
- struct phy_device *phydev)
+ struct phy_device *phydev,
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause)
{
if (mode == MLO_AN_FIXED)
mv88e6xxx_mac_link_force(ds, port, LINK_FORCED_UP);
--- a/drivers/net/dsa/sja1105/sja1105_main.c
+++ b/drivers/net/dsa/sja1105/sja1105_main.c
@@ -830,7 +830,9 @@ static void sja1105_mac_link_down(struct
static void sja1105_mac_link_up(struct dsa_switch *ds, int port,
unsigned int mode,
phy_interface_t interface,
- struct phy_device *phydev)
+ struct phy_device *phydev,
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause)
{
sja1105_inhibit_tx(ds->priv, BIT(port), false);
}
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -401,7 +401,9 @@ struct dsa_switch_ops {
void (*phylink_mac_link_up)(struct dsa_switch *ds, int port,
unsigned int mode,
phy_interface_t interface,
- struct phy_device *phydev);
+ struct phy_device *phydev,
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause);
void (*phylink_fixed_state)(struct dsa_switch *ds, int port,
struct phylink_link_state *state);
/*
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -544,7 +544,8 @@ void dsa_port_phylink_mac_link_up(struct
return;
}
- ds->ops->phylink_mac_link_up(ds, dp->index, mode, interface, phydev);
+ ds->ops->phylink_mac_link_up(ds, dp->index, mode, interface, phydev,
+ speed, duplex, tx_pause, rx_pause);
}
EXPORT_SYMBOL_GPL(dsa_port_phylink_mac_link_up);
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -180,9 +180,11 @@ void dsa_port_phylink_mac_link_down(stru
unsigned int mode,
phy_interface_t interface);
void dsa_port_phylink_mac_link_up(struct phylink_config *config,
+ struct phy_device *phydev,
unsigned int mode,
phy_interface_t interface,
- struct phy_device *phydev);
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause);
extern const struct phylink_mac_ops dsa_port_phylink_mac_ops;
/* slave.c */

145
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@ -0,0 +1,145 @@
From: =?UTF-8?q?Ren=C3=A9=20van=20Dorst?= <opensource@vdorst.com>
Date: Fri, 27 Mar 2020 15:44:12 +0100
Subject: [PATCH] net: dsa: mt7530: use resolved link config in mac_link_up()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Convert the mt7530 switch driver to use the finalised link
parameters in mac_link_up() rather than the parameters in mac_config().
Signed-off-by: René van Dorst <opensource@vdorst.com>
Tested-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -490,17 +490,6 @@ mt7530_mib_reset(struct dsa_switch *ds)
mt7530_write(priv, MT7530_MIB_CCR, CCR_MIB_ACTIVATE);
}
-static void
-mt7530_port_set_status(struct mt7530_priv *priv, int port, int enable)
-{
- u32 mask = PMCR_TX_EN | PMCR_RX_EN | PMCR_FORCE_LNK;
-
- if (enable)
- mt7530_set(priv, MT7530_PMCR_P(port), mask);
- else
- mt7530_clear(priv, MT7530_PMCR_P(port), mask);
-}
-
static int mt7530_phy_read(struct dsa_switch *ds, int port, int regnum)
{
struct mt7530_priv *priv = ds->priv;
@@ -674,7 +663,7 @@ mt7530_port_enable(struct dsa_switch *ds
priv->ports[port].enable = true;
mt7530_rmw(priv, MT7530_PCR_P(port), PCR_MATRIX_MASK,
priv->ports[port].pm);
- mt7530_port_set_status(priv, port, 0);
+ mt7530_clear(priv, MT7530_PMCR_P(port), PMCR_LINK_SETTINGS_MASK);
mutex_unlock(&priv->reg_mutex);
@@ -697,7 +686,7 @@ mt7530_port_disable(struct dsa_switch *d
priv->ports[port].enable = false;
mt7530_rmw(priv, MT7530_PCR_P(port), PCR_MATRIX_MASK,
PCR_MATRIX_CLR);
- mt7530_port_set_status(priv, port, 0);
+ mt7530_clear(priv, MT7530_PMCR_P(port), PMCR_LINK_SETTINGS_MASK);
mutex_unlock(&priv->reg_mutex);
}
@@ -1407,8 +1396,7 @@ static void mt7530_phylink_mac_config(st
mcr_cur = mt7530_read(priv, MT7530_PMCR_P(port));
mcr_new = mcr_cur;
- mcr_new &= ~(PMCR_FORCE_SPEED_1000 | PMCR_FORCE_SPEED_100 |
- PMCR_FORCE_FDX | PMCR_TX_FC_EN | PMCR_RX_FC_EN);
+ mcr_new &= ~PMCR_LINK_SETTINGS_MASK;
mcr_new |= PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | PMCR_BACKOFF_EN |
PMCR_BACKPR_EN | PMCR_FORCE_MODE;
@@ -1416,26 +1404,6 @@ static void mt7530_phylink_mac_config(st
if (port == 5 && dsa_is_user_port(ds, 5))
mcr_new |= PMCR_EXT_PHY;
- switch (state->speed) {
- case SPEED_1000:
- mcr_new |= PMCR_FORCE_SPEED_1000;
- if (priv->eee_enable & BIT(port))
- mcr_new |= PMCR_FORCE_EEE1G;
- break;
- case SPEED_100:
- mcr_new |= PMCR_FORCE_SPEED_100;
- if (priv->eee_enable & BIT(port))
- mcr_new |= PMCR_FORCE_EEE100;
- break;
- }
- if (state->duplex == DUPLEX_FULL) {
- mcr_new |= PMCR_FORCE_FDX;
- if (state->pause & MLO_PAUSE_TX)
- mcr_new |= PMCR_TX_FC_EN;
- if (state->pause & MLO_PAUSE_RX)
- mcr_new |= PMCR_RX_FC_EN;
- }
-
if (mcr_new != mcr_cur)
mt7530_write(priv, MT7530_PMCR_P(port), mcr_new);
}
@@ -1446,7 +1414,7 @@ static void mt7530_phylink_mac_link_down
{
struct mt7530_priv *priv = ds->priv;
- mt7530_port_set_status(priv, port, 0);
+ mt7530_clear(priv, MT7530_PMCR_P(port), PMCR_LINK_SETTINGS_MASK);
}
static void mt7530_phylink_mac_link_up(struct dsa_switch *ds, int port,
@@ -1457,8 +1425,31 @@ static void mt7530_phylink_mac_link_up(s
bool tx_pause, bool rx_pause)
{
struct mt7530_priv *priv = ds->priv;
+ u32 mcr;
- mt7530_port_set_status(priv, port, 1);
+ mcr = PMCR_RX_EN | PMCR_TX_EN | PMCR_FORCE_LNK;
+
+ switch (speed) {
+ case SPEED_1000:
+ mcr |= PMCR_FORCE_SPEED_1000;
+ if (priv->eee_enable & BIT(port))
+ mcr_new |= PMCR_FORCE_EEE1G;
+ break;
+ case SPEED_100:
+ mcr |= PMCR_FORCE_SPEED_100;
+ if (priv->eee_enable & BIT(port))
+ mcr_new |= PMCR_FORCE_EEE100;
+ break;
+ }
+ if (duplex == DUPLEX_FULL) {
+ mcr |= PMCR_FORCE_FDX;
+ if (tx_pause)
+ mcr |= PMCR_TX_FC_EN;
+ if (rx_pause)
+ mcr |= PMCR_RX_FC_EN;
+ }
+
+ mt7530_set(priv, MT7530_PMCR_P(port), mcr);
}
static void mt7530_phylink_validate(struct dsa_switch *ds, int port,
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -222,6 +222,10 @@ enum mt7530_vlan_port_attr {
#define PMCR_FORCE_LNK BIT(0)
#define PMCR_SPEED_MASK (PMCR_FORCE_SPEED_100 | \
PMCR_FORCE_SPEED_1000)
+#define PMCR_LINK_SETTINGS_MASK (PMCR_TX_EN | PMCR_FORCE_SPEED_1000 | \
+ PMCR_RX_EN | PMCR_FORCE_SPEED_100 | \
+ PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
+ PMCR_FORCE_FDX | PMCR_FORCE_LNK)
#define MT7530_PMSR_P(x) (0x3008 + (x) * 0x100)
#define PMSR_EEE1G BIT(7)

458
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@ -0,0 +1,458 @@
From: Landen Chao <landen.chao@mediatek.com>
Date: Fri, 4 Sep 2020 22:21:57 +0800
Subject: [PATCH] net: dsa: mt7530: Extend device data ready for adding a
new hardware
Add a structure holding required operations for each device such as device
initialization, PHY port read or write, a checker whether PHY interface is
supported on a certain port, MAC port setup for either bus pad or a
specific PHY interface.
The patch is done for ready adding a new hardware MT7531, and keep the
same setup logic of existing hardware.
Signed-off-by: Landen Chao <landen.chao@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -372,8 +372,9 @@ mt7530_fdb_write(struct mt7530_priv *pri
mt7530_write(priv, MT7530_ATA1 + (i * 4), reg[i]);
}
+/* Setup TX circuit including relevant PAD and driving */
static int
-mt7530_pad_clk_setup(struct dsa_switch *ds, int mode)
+mt7530_pad_clk_setup(struct dsa_switch *ds, phy_interface_t interface)
{
struct mt7530_priv *priv = ds->priv;
u32 ncpo1, ssc_delta, trgint, i, xtal;
@@ -387,7 +388,7 @@ mt7530_pad_clk_setup(struct dsa_switch *
return -EINVAL;
}
- switch (mode) {
+ switch (interface) {
case PHY_INTERFACE_MODE_RGMII:
trgint = 0;
/* PLL frequency: 125MHz */
@@ -409,7 +410,8 @@ mt7530_pad_clk_setup(struct dsa_switch *
}
break;
default:
- dev_err(priv->dev, "xMII mode %d not supported\n", mode);
+ dev_err(priv->dev, "xMII interface %d not supported\n",
+ interface);
return -EINVAL;
}
@@ -1344,12 +1346,11 @@ mt7530_setup(struct dsa_switch *ds)
return 0;
}
-static void mt7530_phylink_mac_config(struct dsa_switch *ds, int port,
- unsigned int mode,
- const struct phylink_link_state *state)
+static bool
+mt7530_phy_mode_supported(struct dsa_switch *ds, int port,
+ const struct phylink_link_state *state)
{
struct mt7530_priv *priv = ds->priv;
- u32 mcr_cur, mcr_new;
switch (port) {
case 0: /* Internal phy */
@@ -1358,33 +1359,114 @@ static void mt7530_phylink_mac_config(st
case 3:
case 4:
if (state->interface != PHY_INTERFACE_MODE_GMII)
- return;
+ goto unsupported;
break;
case 5: /* 2nd cpu port with phy of port 0 or 4 / external phy */
- if (priv->p5_interface == state->interface)
- break;
if (!phy_interface_mode_is_rgmii(state->interface) &&
state->interface != PHY_INTERFACE_MODE_MII &&
state->interface != PHY_INTERFACE_MODE_GMII)
- return;
+ goto unsupported;
+ break;
+ case 6: /* 1st cpu port */
+ if (state->interface != PHY_INTERFACE_MODE_RGMII &&
+ state->interface != PHY_INTERFACE_MODE_TRGMII)
+ goto unsupported;
+ break;
+ default:
+ dev_err(priv->dev, "%s: unsupported port: %i\n", __func__,
+ port);
+ goto unsupported;
+ }
+
+ return true;
+
+unsupported:
+ return false;
+}
+
+static bool
+mt753x_phy_mode_supported(struct dsa_switch *ds, int port,
+ const struct phylink_link_state *state)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ return priv->info->phy_mode_supported(ds, port, state);
+}
+
+static int
+mt753x_pad_setup(struct dsa_switch *ds, const struct phylink_link_state *state)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ return priv->info->pad_setup(ds, state->interface);
+}
+
+static int
+mt7530_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
+ phy_interface_t interface)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ /* Only need to setup port5. */
+ if (port != 5)
+ return 0;
+
+ mt7530_setup_port5(priv->ds, interface);
+
+ return 0;
+}
+
+static int
+mt753x_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
+ const struct phylink_link_state *state)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ return priv->info->mac_port_config(ds, port, mode, state->interface);
+}
+
+static void
+mt753x_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
+ const struct phylink_link_state *state)
+{
+ struct mt7530_priv *priv = ds->priv;
+ u32 mcr_cur, mcr_new;
+
+ if (!mt753x_phy_mode_supported(ds, port, state))
+ goto unsupported;
+
+ switch (port) {
+ case 0: /* Internal phy */
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ if (state->interface != PHY_INTERFACE_MODE_GMII)
+ goto unsupported;
+ break;
+ case 5: /* 2nd cpu port with phy of port 0 or 4 / external phy */
+ if (priv->p5_interface == state->interface)
+ break;
+
+ if (mt753x_mac_config(ds, port, mode, state) < 0)
+ goto unsupported;
- mt7530_setup_port5(ds, state->interface);
break;
case 6: /* 1st cpu port */
if (priv->p6_interface == state->interface)
break;
- if (state->interface != PHY_INTERFACE_MODE_RGMII &&
- state->interface != PHY_INTERFACE_MODE_TRGMII)
- return;
+ mt753x_pad_setup(ds, state);
- /* Setup TX circuit incluing relevant PAD and driving */
- mt7530_pad_clk_setup(ds, state->interface);
+ if (mt753x_mac_config(ds, port, mode, state) < 0)
+ goto unsupported;
priv->p6_interface = state->interface;
break;
default:
- dev_err(ds->dev, "%s: unsupported port: %i\n", __func__, port);
+unsupported:
+ dev_err(ds->dev, "%s: unsupported %s port: %i\n",
+ __func__, phy_modes(state->interface), port);
return;
}
@@ -1452,61 +1534,44 @@ static void mt7530_phylink_mac_link_up(s
mt7530_set(priv, MT7530_PMCR_P(port), mcr);
}
-static void mt7530_phylink_validate(struct dsa_switch *ds, int port,
- unsigned long *supported,
- struct phylink_link_state *state)
+static void
+mt7530_mac_port_validate(struct dsa_switch *ds, int port,
+ unsigned long *supported)
{
+ if (port == 5)
+ phylink_set(supported, 1000baseX_Full);
+}
+
+static void
+mt753x_phylink_validate(struct dsa_switch *ds, int port,
+ unsigned long *supported,
+ struct phylink_link_state *state)
+{
+ struct mt7530_priv *priv = ds->priv;
__ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
- switch (port) {
- case 0: /* Internal phy */
- case 1:
- case 2:
- case 3:
- case 4:
- if (state->interface != PHY_INTERFACE_MODE_NA &&
- state->interface != PHY_INTERFACE_MODE_GMII)
- goto unsupported;
- break;
- case 5: /* 2nd cpu port with phy of port 0 or 4 / external phy */
- if (state->interface != PHY_INTERFACE_MODE_NA &&
- !phy_interface_mode_is_rgmii(state->interface) &&
- state->interface != PHY_INTERFACE_MODE_MII &&
- state->interface != PHY_INTERFACE_MODE_GMII)
- goto unsupported;
- break;
- case 6: /* 1st cpu port */
- if (state->interface != PHY_INTERFACE_MODE_NA &&
- state->interface != PHY_INTERFACE_MODE_RGMII &&
- state->interface != PHY_INTERFACE_MODE_TRGMII)
- goto unsupported;
- break;
- default:
- dev_err(ds->dev, "%s: unsupported port: %i\n", __func__, port);
-unsupported:
+ if (state->interface != PHY_INTERFACE_MODE_NA &&
+ !mt753x_phy_mode_supported(ds, port, state)) {
linkmode_zero(supported);
return;
}
phylink_set_port_modes(mask);
- phylink_set(mask, Autoneg);
- if (state->interface == PHY_INTERFACE_MODE_TRGMII) {
- phylink_set(mask, 1000baseT_Full);
- } else {
+ if (state->interface != PHY_INTERFACE_MODE_TRGMII) {
phylink_set(mask, 10baseT_Half);
phylink_set(mask, 10baseT_Full);
phylink_set(mask, 100baseT_Half);
phylink_set(mask, 100baseT_Full);
-
- if (state->interface != PHY_INTERFACE_MODE_MII) {
- phylink_set(mask, 1000baseT_Half);
- phylink_set(mask, 1000baseT_Full);
- if (port == 5)
- phylink_set(mask, 1000baseX_Full);
- }
+ phylink_set(mask, Autoneg);
}
+ /* This switch only supports 1G full-duplex. */
+ if (state->interface != PHY_INTERFACE_MODE_MII)
+ phylink_set(mask, 1000baseT_Full);
+
+ priv->info->mac_port_validate(ds, port, mask);
+
phylink_set(mask, Pause);
phylink_set(mask, Asym_Pause);
@@ -1602,12 +1667,45 @@ static int mt7530_set_mac_eee(struct dsa
return 0;
}
+static int
+mt753x_phylink_mac_link_state(struct dsa_switch *ds, int port,
+ struct phylink_link_state *state)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ return priv->info->mac_port_get_state(ds, port, state);
+}
+
+static int
+mt753x_setup(struct dsa_switch *ds)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ return priv->info->sw_setup(ds);
+}
+
+static int
+mt753x_phy_read(struct dsa_switch *ds, int port, int regnum)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ return priv->info->phy_read(ds, port, regnum);
+}
+
+static int
+mt753x_phy_write(struct dsa_switch *ds, int port, int regnum, u16 val)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ return priv->info->phy_write(ds, port, regnum, val);
+}
+
static const struct dsa_switch_ops mt7530_switch_ops = {
.get_tag_protocol = mtk_get_tag_protocol,
- .setup = mt7530_setup,
+ .setup = mt753x_setup,
.get_strings = mt7530_get_strings,
- .phy_read = mt7530_phy_read,
- .phy_write = mt7530_phy_write,
+ .phy_read = mt753x_phy_read,
+ .phy_write = mt753x_phy_write,
.get_ethtool_stats = mt7530_get_ethtool_stats,
.get_sset_count = mt7530_get_sset_count,
.port_enable = mt7530_port_enable,
@@ -1624,18 +1722,43 @@ static const struct dsa_switch_ops mt753
.port_vlan_del = mt7530_port_vlan_del,
.port_mirror_add = mt7530_port_mirror_add,
.port_mirror_del = mt7530_port_mirror_del,
- .phylink_validate = mt7530_phylink_validate,
- .phylink_mac_link_state = mt7530_phylink_mac_link_state,
- .phylink_mac_config = mt7530_phylink_mac_config,
+ .phylink_validate = mt753x_phylink_validate,
+ .phylink_mac_link_state = mt753x_phylink_mac_link_state,
+ .phylink_mac_config = mt753x_phylink_mac_config,
.phylink_mac_link_down = mt7530_phylink_mac_link_down,
.phylink_mac_link_up = mt7530_phylink_mac_link_up,
.get_mac_eee = mt7530_get_mac_eee,
.set_mac_eee = mt7530_set_mac_eee,
};
+static const struct mt753x_info mt753x_table[] = {
+ [ID_MT7621] = {
+ .id = ID_MT7621,
+ .sw_setup = mt7530_setup,
+ .phy_read = mt7530_phy_read,
+ .phy_write = mt7530_phy_write,
+ .pad_setup = mt7530_pad_clk_setup,
+ .phy_mode_supported = mt7530_phy_mode_supported,
+ .mac_port_validate = mt7530_mac_port_validate,
+ .mac_port_get_state = mt7530_phylink_mac_link_state,
+ .mac_port_config = mt7530_mac_config,
+ },
+ [ID_MT7530] = {
+ .id = ID_MT7530,
+ .sw_setup = mt7530_setup,
+ .phy_read = mt7530_phy_read,
+ .phy_write = mt7530_phy_write,
+ .pad_setup = mt7530_pad_clk_setup,
+ .phy_mode_supported = mt7530_phy_mode_supported,
+ .mac_port_validate = mt7530_mac_port_validate,
+ .mac_port_get_state = mt7530_phylink_mac_link_state,
+ .mac_port_config = mt7530_mac_config,
+ },
+};
+
static const struct of_device_id mt7530_of_match[] = {
- { .compatible = "mediatek,mt7621", .data = (void *)ID_MT7621, },
- { .compatible = "mediatek,mt7530", .data = (void *)ID_MT7530, },
+ { .compatible = "mediatek,mt7621", .data = &mt753x_table[ID_MT7621], },
+ { .compatible = "mediatek,mt7530", .data = &mt753x_table[ID_MT7530], },
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, mt7530_of_match);
@@ -1673,8 +1796,21 @@ mt7530_probe(struct mdio_device *mdiodev
/* Get the hardware identifier from the devicetree node.
* We will need it for some of the clock and regulator setup.
*/
- priv->id = (unsigned int)(unsigned long)
- of_device_get_match_data(&mdiodev->dev);
+ priv->info = of_device_get_match_data(&mdiodev->dev);
+ if (!priv->info)
+ return -EINVAL;
+
+ /* Sanity check if these required device operations are filled
+ * properly.
+ */
+ if (!priv->info->sw_setup || !priv->info->pad_setup ||
+ !priv->info->phy_read || !priv->info->phy_write ||
+ !priv->info->phy_mode_supported ||
+ !priv->info->mac_port_validate ||
+ !priv->info->mac_port_get_state || !priv->info->mac_port_config)
+ return -EINVAL;
+
+ priv->id = priv->info->id;
if (priv->id == ID_MT7530) {
priv->core_pwr = devm_regulator_get(&mdiodev->dev, "core");
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -11,7 +11,7 @@
#define MT7530_NUM_FDB_RECORDS 2048
#define MT7530_ALL_MEMBERS 0xff
-enum {
+enum mt753x_id {
ID_MT7530 = 0,
ID_MT7621 = 1,
};
@@ -451,6 +451,40 @@ static const char *p5_intf_modes(unsigne
}
}
+/* struct mt753x_info - This is the main data structure for holding the specific
+ * part for each supported device
+ * @sw_setup: Holding the handler to a device initialization
+ * @phy_read: Holding the way reading PHY port
+ * @phy_write: Holding the way writing PHY port
+ * @pad_setup: Holding the way setting up the bus pad for a certain
+ * MAC port
+ * @phy_mode_supported: Check if the PHY type is being supported on a certain
+ * port
+ * @mac_port_validate: Holding the way to set addition validate type for a
+ * certan MAC port
+ * @mac_port_get_state: Holding the way getting the MAC/PCS state for a certain
+ * MAC port
+ * @mac_port_config: Holding the way setting up the PHY attribute to a
+ * certain MAC port
+ */
+struct mt753x_info {
+ enum mt753x_id id;
+
+ int (*sw_setup)(struct dsa_switch *ds);
+ int (*phy_read)(struct dsa_switch *ds, int port, int regnum);
+ int (*phy_write)(struct dsa_switch *ds, int port, int regnum, u16 val);
+ int (*pad_setup)(struct dsa_switch *ds, phy_interface_t interface);
+ bool (*phy_mode_supported)(struct dsa_switch *ds, int port,
+ const struct phylink_link_state *state);
+ void (*mac_port_validate)(struct dsa_switch *ds, int port,
+ unsigned long *supported);
+ int (*mac_port_get_state)(struct dsa_switch *ds, int port,
+ struct phylink_link_state *state);
+ int (*mac_port_config)(struct dsa_switch *ds, int port,
+ unsigned int mode,
+ phy_interface_t interface);
+};
+
/* struct mt7530_priv - This is the main data structure for holding the state
* of the driver
* @dev: The device pointer
@@ -476,6 +510,7 @@ struct mt7530_priv {
struct regulator *core_pwr;
struct regulator *io_pwr;
struct gpio_desc *reset;
+ const struct mt753x_info *info;
unsigned int id;
bool mcm;
phy_interface_t p6_interface;

1510
target/linux/mediatek/patches-5.4/0604-net-dsa-mt7530-Add-the-support-of-MT7531-switch.patch Normal file
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File diff suppressed because it is too large Load Diff

71
target/linux/mediatek/patches-5.4/0605-arm64-dts-mt7622-add-mt7531-dsa-to-bananapi-bpi-r64-board.patch Normal file
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@ -0,0 +1,71 @@
From: Landen Chao <landen.chao@mediatek.com>
Subject: [PATCH net-next 6/6] arm64: dts: mt7622: add mt7531 dsa to
bananapi-bpi-r64 board
Date: Tue, 10 Dec 2019 16:14:42 +0800
Add mt7531 dsa to bananapi-bpi-r64 board for 5 giga Ethernet ports support.
Signed-off-by: Landen Chao <landen.chao@mediatek.com>
---
.../dts/mediatek/mt7622-bananapi-bpi-r64.dts | 50 +++++++++++++++++++
1 file changed, 50 insertions(+)
--- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
@@ -150,6 +150,56 @@
mdio: mdio-bus {
#address-cells = <1>;
#size-cells = <0>;
+
+ switch@0 {
+ compatible = "mediatek,mt7531";
+ reg = <0>;
+ reset-gpios = <&pio 54 0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ label = "wan";
+ };
+
+ port@1 {
+ reg = <1>;
+ label = "lan0";
+ };
+
+ port@2 {
+ reg = <2>;
+ label = "lan1";
+ };
+
+ port@3 {
+ reg = <3>;
+ label = "lan2";
+ };
+
+ port@4 {
+ reg = <4>;
+ label = "lan3";
+ };
+
+ port@6 {
+ reg = <6>;
+ label = "cpu";
+ ethernet = <&gmac0>;
+ phy-mode = "2500base-x";
+
+ fixed-link {
+ speed = <2500>;
+ full-duplex;
+ pause;
+ };
+ };
+ };
+ };
+
};
};