diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2024-08-21 09:30:14 +0200 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2024-08-22 13:25:02 +0200 |
| commit | 812a2751e827fa1eb01f3bd268b4d74c23f4226a (patch) | |
| tree | fdc08c3c0ab542c74b4edf123bc96f50d26a2cae /drivers/net/ethernet/mediatek | |
| parent | bcc3773c49af2426093645473fe02a5a8e765587 (diff) | |
net: airoha: configure hw mac address according to the port id
GDM1 port on EN7581 SoC is connected to the lan dsa switch.
GDM{2,3,4} can be used as wan port connected to an external
phy module. Configure hw mac address registers according to the port id.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20240821-airoha-eth-wan-mac-addr-v2-1-8706d0cd6cd5@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/net/ethernet/mediatek')
| -rw-r--r-- | drivers/net/ethernet/mediatek/airoha_eth.c | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/drivers/net/ethernet/mediatek/airoha_eth.c b/drivers/net/ethernet/mediatek/airoha_eth.c index 1fb46db0c1e9..0c012efca3b0 100644 --- a/drivers/net/ethernet/mediatek/airoha_eth.c +++ b/drivers/net/ethernet/mediatek/airoha_eth.c @@ -67,9 +67,11 @@ #define FE_RST_GDM3_MBI_ARB_MASK BIT(2) #define FE_RST_CORE_MASK BIT(0) +#define REG_FE_WAN_MAC_H 0x0030 #define REG_FE_LAN_MAC_H 0x0040 -#define REG_FE_LAN_MAC_LMIN 0x0044 -#define REG_FE_LAN_MAC_LMAX 0x0048 + +#define REG_FE_MAC_LMIN(_n) ((_n) + 0x04) +#define REG_FE_MAC_LMAX(_n) ((_n) + 0x08) #define REG_FE_CDM1_OQ_MAP0 0x0050 #define REG_FE_CDM1_OQ_MAP1 0x0054 @@ -900,16 +902,28 @@ static void airoha_qdma_irq_disable(struct airoha_qdma *qdma, int index, airoha_qdma_set_irqmask(qdma, index, mask, 0); } -static void airoha_set_macaddr(struct airoha_eth *eth, const u8 *addr) +static bool airhoa_is_lan_gdm_port(struct airoha_gdm_port *port) { - u32 val; + /* GDM1 port on EN7581 SoC is connected to the lan dsa switch. + * GDM{2,3,4} can be used as wan port connected to an external + * phy module. + */ + return port->id == 1; +} + +static void airoha_set_macaddr(struct airoha_gdm_port *port, const u8 *addr) +{ + struct airoha_eth *eth = port->qdma->eth; + u32 val, reg; + reg = airhoa_is_lan_gdm_port(port) ? REG_FE_LAN_MAC_H + : REG_FE_WAN_MAC_H; val = (addr[0] << 16) | (addr[1] << 8) | addr[2]; - airoha_fe_wr(eth, REG_FE_LAN_MAC_H, val); + airoha_fe_wr(eth, reg, val); val = (addr[3] << 16) | (addr[4] << 8) | addr[5]; - airoha_fe_wr(eth, REG_FE_LAN_MAC_LMIN, val); - airoha_fe_wr(eth, REG_FE_LAN_MAC_LMAX, val); + airoha_fe_wr(eth, REG_FE_MAC_LMIN(reg), val); + airoha_fe_wr(eth, REG_FE_MAC_LMAX(reg), val); } static void airoha_set_gdm_port_fwd_cfg(struct airoha_eth *eth, u32 addr, @@ -2340,7 +2354,7 @@ static int airoha_dev_set_macaddr(struct net_device *dev, void *p) if (err) return err; - airoha_set_macaddr(port->qdma->eth, dev->dev_addr); + airoha_set_macaddr(port, dev->dev_addr); return 0; } @@ -2349,7 +2363,7 @@ static int airoha_dev_init(struct net_device *dev) { struct airoha_gdm_port *port = netdev_priv(dev); - airoha_set_macaddr(port->qdma->eth, dev->dev_addr); + airoha_set_macaddr(port, dev->dev_addr); return 0; } |