linux-kernel - Re: [PATCH net-next v2 0/7] net-next: dsa: mt7530: add support for MT7531

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Date:   Wed, 19 Aug 2020 15:38:24 +0800
From:   Landen Chao <landen.chao@...iatek.com>
To:     DENG Qingfang <dqfext@...il.com>
CC:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        "vivien.didelot@...oirfairelinux.com" 
        <vivien.didelot@...oirfairelinux.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        David Miller <davem@...emloft.net>,
        Sean Wang <Sean.Wang@...iatek.com>,
        René van Dorst <opensource@...rst.com>,
        Frank Wunderlich <frank-w@...lic-files.de>
Subject: Re: [PATCH net-next v2 0/7] net-next: dsa: mt7530: add support for
 MT7531

Hi DENG,

MT7531 mirror port has been fixed by new definition of register base in 
header file. The logic of mirror port setting in 7530.c is reused.

@@ -41,6 +42,33 @@  enum mt753x_id {
 #define  MIRROR_PORT(x)			((x) & 0x7)
 #define  MIRROR_MASK			0x7
 
+/* Registers for CPU forward control */
+#define MT7531_CFC			0x4
+#define  MT7531_MIRROR_EN		BIT(19)
+#define  MT7531_MIRROR_MASK		(MIRROR_MASK << 16)
+#define  MT7531_MIRROR_PORT_GET(x)	(((x) >> 16) & MIRROR_MASK)
+#define  MT7531_MIRROR_PORT_SET(x)	(((x) & MIRROR_MASK) << 16)
+#define  MT7531_CPU_PMAP_MASK		GENMASK(7, 0)
+
+#define MT753X_MIRROR_REG(id)		(((id) == ID_MT7531) ? \
+					 MT7531_CFC : MT7530_MFC)
+#define MT753X_MIRROR_EN(id)		(((id) == ID_MT7531) ? \
+					 MT7531_MIRROR_EN : MIRROR_EN)
+#define MT753X_MIRROR_MASK(id)		(((id) == ID_MT7531) ? \
+					 MT7531_MIRROR_MASK : MIRROR_MASK)


On Wed, 2020-08-19 at 11:49 +0800, DENG Qingfang wrote:
> Hi,
> 
> Is port mirroring working? Port mirroring registers on MT7531 have
> moved, according to bpi's MT7531 reference manual.
> Please fix that as well.