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net: airoha: configure hw mac address according to the port id

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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>
This commit is contained in:
Lorenzo Bianconi 2024-08-21 09:30:14 +02:00 committed by Paolo Abeni
parent bcc3773c49
commit 812a2751e8
1 changed files with 23 additions and 9 deletions
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32
drivers/net/ethernet/mediatek/airoha_eth.c
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@ -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;
}