diff options
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.patch | 72 |
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; + |