Commit 812a2751 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Paolo Abeni
Browse files

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: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20240821-airoha-eth-wan-mac-addr-v2-1-8706d0cd6cd5@kernel.org


Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent bcc3773c

drivers/net/ethernet/mediatek/airoha_eth.c

+23 −9
Original line number Diff line number Diff line
@@ -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;

}