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31 lines
1.2 KiB
Diff
31 lines
1.2 KiB
Diff
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From: David Bauer <mail@david-bauer.net>
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Subject: [PATCH] ath79: force SGMII SerDes mode to MAC operation
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The mode on the SGMII SerDes on the QCA9563 is 1000 Base-X by default.
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This only allows for 1000 Mbit/s links, however when used with an SGMII
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PHY in 100 Mbit/s link mode, the link remains dead.
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This strictly has nothing to do with the SerDes calibration, however it
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is done at the same point in the QCA reference U-Boot which is the
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blueprint for everything happening here. As the current state is more or
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less a hack, this should be fine.
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This fixes the issues outlined above on a TP-Link EAP-225 Outdoor.
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Reported-by: Tom Herbers <freifunk@tomherbers.de>
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Tested-by: Tom Herbers <freifunk@tomherbers.de>
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Submitted-by: David Bauer <mail@david-bauer.net>
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---
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arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 1 +
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1 files changed, 1 insertion(+)
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--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
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+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
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@@ -1380,5 +1380,6 @@
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#define QCA956X_SGMII_CONFIG_MODE_CTRL_SHIFT 0
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#define QCA956X_SGMII_CONFIG_MODE_CTRL_MASK 0x7
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+#define QCA956X_SGMII_CONFIG_MODE_CTRL_SGMII_MAC 0x2
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#endif /* __ASM_MACH_AR71XX_REGS_H */
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