linux-kernel - [PATCH net-next v3 1/4] net: ethernet: mtk_eth_soc: fix register definitions for MT7988

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Message-ID: <1c8da012e2ca80939906d85f314138c552139f0f.1692721443.git.daniel@makrotopia.org>
Date:   Tue, 22 Aug 2023 17:31:24 +0100
From:   Daniel Golle <daniel@...rotopia.org>
To:     Felix Fietkau <nbd@....name>, John Crispin <john@...ozen.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Mark Lee <Mark-MC.Lee@...iatek.com>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Daniel Golle <daniel@...rotopia.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: [PATCH net-next v3 1/4] net: ethernet: mtk_eth_soc: fix register
 definitions for MT7988

More register macros need to be adjusted for the 3rd GMAC on MT7988.
Account for added bit in SYSCFG0_SGMII_MASK.

Fixes: 445eb6448ed3 ("net: ethernet: mtk_eth_soc: add basic support for MT7988 SoC")
Signed-off-by: Daniel Golle <daniel@...rotopia.org>
Reviewed-by: Simon Horman <horms@...nel.org>
---
 drivers/net/ethernet/mediatek/mtk_eth_soc.h | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index 4a2470fbad2cf..8d2d35b322351 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -133,10 +133,12 @@
 #define MTK_GDMA_XGDM_SEL	BIT(31)
 
 /* Unicast Filter MAC Address Register - Low */
-#define MTK_GDMA_MAC_ADRL(x)	(0x508 + (x * 0x1000))
+#define MTK_GDMA_MAC_ADRL(x)	({ typeof(x) _x = (x); (_x == MTK_GMAC3_ID) ?	\
+				   0x548 : 0x508 + (_x * 0x1000); })
 
 /* Unicast Filter MAC Address Register - High */
-#define MTK_GDMA_MAC_ADRH(x)	(0x50C + (x * 0x1000))
+#define MTK_GDMA_MAC_ADRH(x)	({ typeof(x) _x = (x); (_x == MTK_GMAC3_ID) ?	\
+				   0x54C : 0x50C + (_x * 0x1000); })
 
 /* FE global misc reg*/
 #define MTK_FE_GLO_MISC         0x124
@@ -503,7 +505,7 @@
 #define ETHSYS_SYSCFG0		0x14
 #define SYSCFG0_GE_MASK		0x3
 #define SYSCFG0_GE_MODE(x, y)	(x << (12 + (y * 2)))
-#define SYSCFG0_SGMII_MASK     GENMASK(9, 8)
+#define SYSCFG0_SGMII_MASK     GENMASK(9, 7)
 #define SYSCFG0_SGMII_GMAC1    ((2 << 8) & SYSCFG0_SGMII_MASK)
 #define SYSCFG0_SGMII_GMAC2    ((3 << 8) & SYSCFG0_SGMII_MASK)
 #define SYSCFG0_SGMII_GMAC1_V2 BIT(9)
-- 
2.41.0