1 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
2 Date: Mon, 15 Feb 2021 23:59:26 +0100
3 Subject: [PATCH] net: dsa: bcm_sf2: enable GPHY for switch probing
5 Content-Type: text/plain; charset=UTF-8
6 Content-Transfer-Encoding: 8bit
8 GPHY needs to be enabled to succesfully probe & setup switch port
9 connected to it. Otherwise hardcoding PHY OUI would be required.
12 brcm-sf2 80080000.switch lan4 (uninitialized): PHY [800c05c0.mdio--1:08] driver [Generic PHY] (irq=POLL)
13 brcm-sf2 80080000.switch lan3 (uninitialized): PHY [800c05c0.mdio--1:09] driver [Generic PHY] (irq=POLL)
14 brcm-sf2 80080000.switch lan2 (uninitialized): PHY [800c05c0.mdio--1:0a] driver [Generic PHY] (irq=POLL)
15 brcm-sf2 80080000.switch lan1 (uninitialized): PHY [800c05c0.mdio--1:0b] driver [Generic PHY] (irq=POLL)
16 brcm-sf2 80080000.switch wan (uninitialized): error -5 setting up PHY for tree 0, switch 0, port 7
19 brcm-sf2 80080000.switch lan4 (uninitialized): PHY [800c05c0.mdio--1:08] driver [Generic PHY] (irq=POLL)
20 brcm-sf2 80080000.switch lan3 (uninitialized): PHY [800c05c0.mdio--1:09] driver [Generic PHY] (irq=POLL)
21 brcm-sf2 80080000.switch lan2 (uninitialized): PHY [800c05c0.mdio--1:0a] driver [Generic PHY] (irq=POLL)
22 brcm-sf2 80080000.switch lan1 (uninitialized): PHY [800c05c0.mdio--1:0b] driver [Generic PHY] (irq=POLL)
23 brcm-sf2 80080000.switch wan (uninitialized): PHY [800c05c0.mdio--1:0c] driver [Generic PHY] (irq=POLL)
25 Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
27 drivers/net/dsa/bcm_sf2.c | 4 ++++
28 1 file changed, 4 insertions(+)
30 --- a/drivers/net/dsa/bcm_sf2.c
31 +++ b/drivers/net/dsa/bcm_sf2.c
32 @@ -1538,10 +1538,14 @@ static int bcm_sf2_sw_probe(struct platf
33 rev = reg_readl(priv, REG_PHY_REVISION);
34 priv->hw_params.gphy_rev = rev & PHY_REVISION_MASK;
36 + bcm_sf2_gphy_enable_set(priv->dev->ds, true);
38 ret = b53_switch_register(dev);
42 + bcm_sf2_gphy_enable_set(priv->dev->ds, false);
45 "Starfighter 2 top: %x.%02x, core: %x.%02x, IRQs: %d, %d\n",
46 priv->hw_params.top_rev >> 8, priv->hw_params.top_rev & 0xff,