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Diffstat (limited to 'target/linux/bmips/patches-5.10/505-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch')
-rw-r--r--target/linux/bmips/patches-5.10/505-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch72
1 files changed, 72 insertions, 0 deletions
diff --git a/target/linux/bmips/patches-5.10/505-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch b/target/linux/bmips/patches-5.10/505-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch
new file mode 100644
index 0000000000..f5bc8807b1
--- /dev/null
+++ b/target/linux/bmips/patches-5.10/505-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch
@@ -0,0 +1,72 @@
+From 32cf73d8c6485b7b97aca7e377a68436d09b7022 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
+Date: Sun, 14 Mar 2021 20:03:44 +0100
+Subject: [PATCH] net: dsa: b53: add support for BCM63xx RGMIIs
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
+---
+ drivers/net/dsa/b53/b53_common.c | 37 ++++++++++++++++++++++++++++++++
+ 1 file changed, 37 insertions(+)
+
+--- a/drivers/net/dsa/b53/b53_common.c
++++ b/drivers/net/dsa/b53/b53_common.c
+@@ -1140,6 +1140,36 @@ static void b53_force_port_config(struct
+ b53_write8(dev, B53_CTRL_PAGE, off, reg);
+ }
+
++static void b53_adjust_63xx_rgmii(struct dsa_switch *ds, int port,
++ phy_interface_t interface)
++{
++ struct b53_device *dev = ds->priv;
++ u8 rgmii_ctrl = 0, off;
++
++ if (port == 8)
++ off = B53_RGMII_CTRL_IMP;
++ else
++ off = B53_RGMII_CTRL_P(port);
++
++ b53_read8(dev, B53_CTRL_PAGE, off, &rgmii_ctrl);
++
++ rgmii_ctrl &= ~(RGMII_CTRL_DLL_RXC | RGMII_CTRL_DLL_TXC);
++ if (interface == PHY_INTERFACE_MODE_RGMII_ID)
++ rgmii_ctrl |= (RGMII_CTRL_DLL_RXC | RGMII_CTRL_DLL_TXC);
++ else if (interface == PHY_INTERFACE_MODE_RGMII_RXID)
++ rgmii_ctrl |= RGMII_CTRL_DLL_RXC;
++ else if (interface == PHY_INTERFACE_MODE_RGMII_TXID)
++ rgmii_ctrl |= RGMII_CTRL_DLL_TXC;
++
++ if (port != B53_CPU_PORT)
++ rgmii_ctrl |= RGMII_CTRL_ENABLE_GMII;
++
++ b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl);
++
++ dev_info(ds->dev, "Configured port %d for %s\n", port,
++ phy_modes(interface));
++}
++
+ static void b53_adjust_link(struct dsa_switch *ds, int port,
+ struct phy_device *phydev)
+ {
+@@ -1166,6 +1196,9 @@ static void b53_adjust_link(struct dsa_s
+ tx_pause, rx_pause);
+ b53_force_link(dev, port, phydev->link);
+
++ if (is63xx(dev))
++ b53_adjust_63xx_rgmii(ds, port, phydev->interface);
++
+ if (is531x5(dev) && phy_interface_is_rgmii(phydev)) {
+ if (port == 8)
+ off = B53_RGMII_CTRL_IMP;
+@@ -1358,6 +1391,9 @@ void b53_phylink_mac_link_up(struct dsa_
+ {
+ struct b53_device *dev = ds->priv;
+
++ if (is63xx(dev) && port >= 4)
++ b53_adjust_63xx_rgmii(ds, port, interface);
++
+ if (mode == MLO_AN_PHY)
+ return;
+