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authorRafał Miłecki <rafal@milecki.pl>2021-02-16 00:21:28 +0100
committerRafał Miłecki <rafal@milecki.pl>2021-02-16 07:10:33 +0100
commitad8b759fd17bd31fdb7a026f247fd6ec81b372d3 (patch)
tree33fe938d4a1dcff214a134e5d82f1c88518ce290 /target/linux/bcm4908/patches-5.4/700-net-dsa-bcm_sf2-enable-GPHY-for-switch-probing.patch
parenta015d9170851509a58e063dd82a054e98fb48700 (diff)
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bcm4908: add bcm_sf2 fixes for the 5th GPHY
This allows using the last integrated PHY (and so e.g. WAN port on the ASUS GT-AC5300). Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Diffstat (limited to 'target/linux/bcm4908/patches-5.4/700-net-dsa-bcm_sf2-enable-GPHY-for-switch-probing.patch')
-rw-r--r--target/linux/bcm4908/patches-5.4/700-net-dsa-bcm_sf2-enable-GPHY-for-switch-probing.patch46
1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/bcm4908/patches-5.4/700-net-dsa-bcm_sf2-enable-GPHY-for-switch-probing.patch b/target/linux/bcm4908/patches-5.4/700-net-dsa-bcm_sf2-enable-GPHY-for-switch-probing.patch
new file mode 100644
index 0000000000..26f6216061
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/700-net-dsa-bcm_sf2-enable-GPHY-for-switch-probing.patch
@@ -0,0 +1,46 @@
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Mon, 15 Feb 2021 23:59:26 +0100
+Subject: [PATCH] net: dsa: bcm_sf2: enable GPHY for switch probing
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+GPHY needs to be enabled to succesfully probe & setup switch port
+connected to it. Otherwise hardcoding PHY OUI would be required.
+
+Before:
+brcm-sf2 80080000.switch lan4 (uninitialized): PHY [800c05c0.mdio--1:08] driver [Generic PHY] (irq=POLL)
+brcm-sf2 80080000.switch lan3 (uninitialized): PHY [800c05c0.mdio--1:09] driver [Generic PHY] (irq=POLL)
+brcm-sf2 80080000.switch lan2 (uninitialized): PHY [800c05c0.mdio--1:0a] driver [Generic PHY] (irq=POLL)
+brcm-sf2 80080000.switch lan1 (uninitialized): PHY [800c05c0.mdio--1:0b] driver [Generic PHY] (irq=POLL)
+brcm-sf2 80080000.switch wan (uninitialized): error -5 setting up PHY for tree 0, switch 0, port 7
+
+After:
+brcm-sf2 80080000.switch lan4 (uninitialized): PHY [800c05c0.mdio--1:08] driver [Generic PHY] (irq=POLL)
+brcm-sf2 80080000.switch lan3 (uninitialized): PHY [800c05c0.mdio--1:09] driver [Generic PHY] (irq=POLL)
+brcm-sf2 80080000.switch lan2 (uninitialized): PHY [800c05c0.mdio--1:0a] driver [Generic PHY] (irq=POLL)
+brcm-sf2 80080000.switch lan1 (uninitialized): PHY [800c05c0.mdio--1:0b] driver [Generic PHY] (irq=POLL)
+brcm-sf2 80080000.switch wan (uninitialized): PHY [800c05c0.mdio--1:0c] driver [Generic PHY] (irq=POLL)
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+---
+ drivers/net/dsa/bcm_sf2.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+--- a/drivers/net/dsa/bcm_sf2.c
++++ b/drivers/net/dsa/bcm_sf2.c
+@@ -1234,10 +1234,14 @@ static int bcm_sf2_sw_probe(struct platf
+ rev = reg_readl(priv, REG_PHY_REVISION);
+ priv->hw_params.gphy_rev = rev & PHY_REVISION_MASK;
+
++ bcm_sf2_gphy_enable_set(priv->dev->ds, true);
++
+ ret = b53_switch_register(dev);
+ if (ret)
+ goto out_mdio;
+
++ bcm_sf2_gphy_enable_set(priv->dev->ds, false);
++
+ dev_info(&pdev->dev,
+ "Starfighter 2 top: %x.%02x, core: %x.%02x, IRQs: %d, %d\n",
+ priv->hw_params.top_rev >> 8, priv->hw_params.top_rev & 0xff,