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86 lines
2.8 KiB
Diff
86 lines
2.8 KiB
Diff
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From 812a2751e827fa1eb01f3bd268b4d74c23f4226a Mon Sep 17 00:00:00 2001
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From: Lorenzo Bianconi <lorenzo@kernel.org>
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Date: Wed, 21 Aug 2024 09:30:14 +0200
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Subject: [PATCH] net: airoha: configure hw mac address according to the port
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id
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GDM1 port on EN7581 SoC is connected to the lan dsa switch.
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GDM{2,3,4} can be used as wan port connected to an external
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phy module. Configure hw mac address registers according to the port id.
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Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
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Link: https://patch.msgid.link/20240821-airoha-eth-wan-mac-addr-v2-1-8706d0cd6cd5@kernel.org
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Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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---
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drivers/net/ethernet/mediatek/airoha_eth.c | 32 ++++++++++++++++------
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1 file changed, 23 insertions(+), 9 deletions(-)
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--- a/drivers/net/ethernet/mediatek/airoha_eth.c
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+++ b/drivers/net/ethernet/mediatek/airoha_eth.c
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@@ -67,9 +67,11 @@
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#define FE_RST_GDM3_MBI_ARB_MASK BIT(2)
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#define FE_RST_CORE_MASK BIT(0)
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+#define REG_FE_WAN_MAC_H 0x0030
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#define REG_FE_LAN_MAC_H 0x0040
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-#define REG_FE_LAN_MAC_LMIN 0x0044
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-#define REG_FE_LAN_MAC_LMAX 0x0048
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+
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+#define REG_FE_MAC_LMIN(_n) ((_n) + 0x04)
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+#define REG_FE_MAC_LMAX(_n) ((_n) + 0x08)
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#define REG_FE_CDM1_OQ_MAP0 0x0050
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#define REG_FE_CDM1_OQ_MAP1 0x0054
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@@ -900,16 +902,28 @@ static void airoha_qdma_irq_disable(stru
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airoha_qdma_set_irqmask(qdma, index, mask, 0);
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}
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-static void airoha_set_macaddr(struct airoha_eth *eth, const u8 *addr)
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+static bool airhoa_is_lan_gdm_port(struct airoha_gdm_port *port)
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{
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- u32 val;
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+ /* GDM1 port on EN7581 SoC is connected to the lan dsa switch.
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+ * GDM{2,3,4} can be used as wan port connected to an external
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+ * phy module.
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+ */
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+ return port->id == 1;
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+}
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+
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+static void airoha_set_macaddr(struct airoha_gdm_port *port, const u8 *addr)
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+{
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+ struct airoha_eth *eth = port->qdma->eth;
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+ u32 val, reg;
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+ reg = airhoa_is_lan_gdm_port(port) ? REG_FE_LAN_MAC_H
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+ : REG_FE_WAN_MAC_H;
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val = (addr[0] << 16) | (addr[1] << 8) | addr[2];
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- airoha_fe_wr(eth, REG_FE_LAN_MAC_H, val);
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+ airoha_fe_wr(eth, reg, val);
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val = (addr[3] << 16) | (addr[4] << 8) | addr[5];
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- airoha_fe_wr(eth, REG_FE_LAN_MAC_LMIN, val);
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- airoha_fe_wr(eth, REG_FE_LAN_MAC_LMAX, val);
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+ airoha_fe_wr(eth, REG_FE_MAC_LMIN(reg), val);
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+ airoha_fe_wr(eth, REG_FE_MAC_LMAX(reg), val);
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}
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static void airoha_set_gdm_port_fwd_cfg(struct airoha_eth *eth, u32 addr,
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@@ -2341,7 +2355,7 @@ static int airoha_dev_set_macaddr(struct
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if (err)
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return err;
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- airoha_set_macaddr(port->qdma->eth, dev->dev_addr);
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+ airoha_set_macaddr(port, dev->dev_addr);
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return 0;
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}
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@@ -2350,7 +2364,7 @@ static int airoha_dev_init(struct net_de
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{
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struct airoha_gdm_port *port = netdev_priv(dev);
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- airoha_set_macaddr(port->qdma->eth, dev->dev_addr);
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+ airoha_set_macaddr(port, dev->dev_addr);
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return 0;
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}
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