ExternalVendorCode/openwrt
1
0
Fork 0
mirror of https://github.com/openwrt/openwrt.git synced 2025-02-18 16:40:29 +00:00
Code Issues Actions 4 Packages Projects Releases Wiki Activity

realtek: Use SerDes Information from .dts for phylink config

Browse Source 
When a port is brought up, read the SDS-id via the phy_device
for a given port and use this to configure the SDS when it
is brought up.

Signed-off-by: Birger Koblitz <git@birger-koblitz.de>
This commit is contained in:
Birger Koblitz 2022-01-13 18:48:06 +01:00 committed by Daniel Golle
parent 8079574f2c
commit bf0ffe3310
2 changed files with 27 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/dsa.c
View File

@ -239,6 +239,26 @@ static int rtl930x_setup(struct dsa_switch *ds)
return 0;
}
static int rtl93xx_get_sds(struct phy_device *phydev)
{
struct device *dev = &phydev->mdio.dev;
struct device_node *dn;
u32 sds_num;
if (!dev)
return -1;
if (dev->of_node) {
dn = dev->of_node;
if (of_property_read_u32(dn, "sds", &sds_num))
sds_num = -1;
} else {
dev_err(dev, "No DT node.\n");
return -1;
}
return sds_num;
}
static void rtl83xx_phylink_validate(struct dsa_switch *ds, int port,
unsigned long *supported,
struct phylink_link_state *state)
@ -594,7 +614,7 @@ static void rtl93xx_phylink_mac_config(struct dsa_switch *ds, int port,
int sds_num, sds_mode;
u32 reg;
pr_debug("%s port %d, mode %x, phy-mode: %s, speed %d, link %d\n", __func__,
pr_info("%s port %d, mode %x, phy-mode: %s, speed %d, link %d\n", __func__,
port, mode, phy_modes(state->interface), state->speed, state->link);
// Nothing to be done for the CPU-port
@ -604,9 +624,9 @@ static void rtl93xx_phylink_mac_config(struct dsa_switch *ds, int port,
reg = sw_r32(priv->r->mac_force_mode_ctrl(port));
reg &= ~(0xf << 3);
// On the RTL930X, ports 24 to 27 are using an internal SerDes
if (port >=24 && port <= 27) {
sds_num = port - 18; // Port 24 mapped to SerDes 6, 25 to 7 ...
sds_num = priv->ports[port].sds_num;
pr_info("%s SDS is %d\n", __func__, sds_num);
if (sds_num >= 0) {
switch (state->interface) {
case PHY_INTERFACE_MODE_HSGMII:
sds_mode = 0x12;
@ -781,6 +801,8 @@ static int rtl83xx_port_enable(struct dsa_switch *ds, int port,
sw_w32_mask(0, BIT(port), RTL930X_L2_PORT_DABLK_CTRL);
}
priv->ports[port].sds_num = rtl93xx_get_sds(phydev);
return 0;
}

2
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.h
View File

@ -443,7 +443,7 @@ struct rtl838x_port {
enum phy_type phy;
bool is10G;
bool is2G5;
u8 sds_num;
int sds_num;
const struct dsa_port *dp;
};