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generic: 6.12: mtk_eth_soc: adapt downstream SerDes patch 

While it will hopefully be replaced soon by an upstream solution for
now we keep the downstream SerDes PCS implementation for MT7988A.
In order to make it work with upstream mt7988a.dtsi we have to
compensate for the changed start address of topmisc which was
moved from 0x11d10000 to 0x11d10084 to accomodate a future power
domain controller located at 0x11d10000~0x11d10080.
Hence we need to change TOP_MISC_NETSYS_PCS_MUX from 0x84 to 0x0, so
the Ethernet path/mux selection can work with upstream mt7988a.dtsi.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2025-05-10 02:54:09 +01:00
parent d092e7af40
commit 34b176b565
1 changed files with 1 additions and 1 deletions
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target/linux/generic/pending-6.12/737-net-ethernet-mtk_eth_soc-add-paths-and-SerDes-modes-.patch
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@ -695,7 +695,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
#define GEPHY_MAC_SEL BIT(1) #define GEPHY_MAC_SEL BIT(1)
/* Top misc registers */ /* Top misc registers */
+#define TOP_MISC_NETSYS_PCS_MUX 0x84 +#define TOP_MISC_NETSYS_PCS_MUX 0x0
+#define NETSYS_PCS_MUX_MASK GENMASK(1, 0) +#define NETSYS_PCS_MUX_MASK GENMASK(1, 0)
+#define MUX_G2_USXGMII_SEL BIT(1) +#define MUX_G2_USXGMII_SEL BIT(1)
+#define MUX_HSGMII1_G1_SEL BIT(0) +#define MUX_HSGMII1_G1_SEL BIT(0)