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-rw-r--r--target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl839x.c25
1 files changed, 22 insertions, 3 deletions
diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl839x.c b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl839x.c
index cca8824ce5..3c85e736c9 100644
--- a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl839x.c
+++ b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl839x.c
@@ -608,6 +608,10 @@ int rtl839x_read_phy(u32 port, u32 page, u32 reg, u32 *val)
if (port > 63 || page > 4095 || reg > 31)
return -ENOTSUPP;
+ // Take bug on RTL839x Rev <= C into account
+ if (port >= RTL839X_CPU_PORT)
+ return -EIO;
+
mutex_lock(&smi_lock);
sw_w32_mask(0xffff0000, port << 16, RTL839X_PHYREG_DATA_CTRL);
@@ -637,6 +641,10 @@ int rtl839x_write_phy(u32 port, u32 page, u32 reg, u32 val)
if (port > 63 || page > 4095 || reg > 31)
return -ENOTSUPP;
+ // Take bug on RTL839x Rev <= C into account
+ if (port >= RTL839X_CPU_PORT)
+ return -EIO;
+
mutex_lock(&smi_lock);
// Set PHY to access
@@ -670,6 +678,10 @@ int rtl839x_read_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 *val)
int err = 0;
u32 v;
+ // Take bug on RTL839x Rev <= C into account
+ if (port >= RTL839X_CPU_PORT)
+ return -EIO;
+
mutex_lock(&smi_lock);
// Set PHY to access
@@ -701,6 +713,10 @@ int rtl839x_write_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 val)
int err = 0;
u32 v;
+ // Take bug on RTL839x Rev <= C into account
+ if (port >= RTL839X_CPU_PORT)
+ return -EIO;
+
mutex_lock(&smi_lock);
// Set PHY to access
@@ -726,12 +742,15 @@ int rtl839x_write_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 val)
void rtl8390_get_version(struct rtl838x_switch_priv *priv)
{
- u32 info;
+ u32 info, model;
sw_w32_mask(0xf << 28, 0xa << 28, RTL839X_CHIP_INFO);
info = sw_r32(RTL839X_CHIP_INFO);
- pr_debug("Chip-Info: %x\n", info);
- priv->version = RTL8390_VERSION_A;
+
+ model = sw_r32(RTL839X_MODEL_NAME_INFO);
+ priv->version = RTL8390_VERSION_A + ((model & 0x3f) >> 1);
+
+ pr_info("RTL839X Chip-Info: %x, version %c\n", info, priv->version);
}
void rtl839x_vlan_profile_dump(int profile)