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Message-ID: <20240619150359.311459-3-kamilh@axis.com>
Date: Wed, 19 Jun 2024 17:03:57 +0200
From: Kamil Horák - 2N <kamilh@...s.com>
To: <florian.fainelli@...adcom.com>, <bcm-kernel-feedback-list@...adcom.com>,
<andrew@...n.ch>, <hkallweit1@...il.com>, <linux@...linux.org.uk>,
<davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
<pabeni@...hat.com>, <robh@...nel.org>, <krzk+dt@...nel.org>,
<conor+dt@...nel.org>
CC: <kamilh@...s.com>, <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH v8 2/4] net: phy: bcm54811: Add LRE registers definitions
Add the definitions of LRE registers for Broadcom BCM5481x PHY
Signed-off-by: Kamil Horák - 2N <kamilh@...s.com>
---
include/linux/brcmphy.h | 89 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 89 insertions(+)
diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h
index 1394ba302367..ae39c33e4086 100644
--- a/include/linux/brcmphy.h
+++ b/include/linux/brcmphy.h
@@ -270,6 +270,86 @@
#define BCM5482_SSD_SGMII_SLAVE 0x15 /* SGMII Slave Register */
#define BCM5482_SSD_SGMII_SLAVE_EN 0x0002 /* Slave mode enable */
#define BCM5482_SSD_SGMII_SLAVE_AD 0x0001 /* Slave auto-detection */
+#define BCM5482_SSD_SGMII_SLAVE_AD 0x0001 /* Slave auto-detection */
+
+/* BroadR-Reach LRE Registers. */
+#define MII_BCM54XX_LRECR 0x00 /* LRE Control Register */
+#define MII_BCM54XX_LRESR 0x01 /* LRE Status Register */
+#define MII_BCM54XX_LREPHYSID1 0x02 /* LRE PHYS ID 1 */
+#define MII_BCM54XX_LREPHYSID2 0x03 /* LRE PHYS ID 2 */
+#define MII_BCM54XX_LREANAA 0x04 /* LDS Auto-Negotiation Advertised Ability */
+#define MII_BCM54XX_LREANAC 0x05 /* LDS Auto-Negotiation Advertised Control */
+#define MII_BCM54XX_LREANPT 0x06 /* LDS Ability Next Page Transmit */
+#define MII_BCM54XX_LRELPA 0x07 /* LDS Link Partner Ability */
+#define MII_BCM54XX_LRELPNPM 0x08 /* LDS Link Partner Next Page Message */
+#define MII_BCM54XX_LRELPNPC 0x09 /* LDS Link Partner Next Page Control */
+#define MII_BCM54XX_LRELDSE 0x0a /* LDS Expansion Register */
+#define MII_BCM54XX_LREES 0x0f /* LRE Extended Status */
+
+/* LRE control register. */
+#define LRECR_RESET 0x8000 /* Reset to default state */
+#define LRECR_LOOPBACK 0x4000 /* Internal Loopback */
+#define LRECR_LDSRES 0x2000 /* Restart LDS Process */
+#define LRECR_LDSEN 0x1000 /* LDS Enable */
+#define LRECR_PDOWN 0x0800 /* Enable low power state */
+#define LRECR_ISOLATE 0x0400 /* Isolate data paths from MII */
+#define LRECR_SPEED100 0x0200 /* Select 100 Mbps */
+#define LRECR_SPEED10 0x0000 /* Select 10 Mbps */
+#define LRECR_4PAIRS 0x0020 /* Select 4 Pairs */
+#define LRECR_2PAIRS 0x0010 /* Select 2 Pairs */
+#define LRECR_1PAIR 0x0000 /* Select 1 Pair */
+#define LRECR_MASTER 0x0008 /* Force Master when LDS disabled */
+#define LRECR_SLAVE 0x0000 /* Force Slave when LDS disabled */
+
+/* LRE status register. */
+#define LRESR_100_1PAIR 0x2000 /* Can do 100Mbps 1 Pair */
+#define LRESR_100_4PAIR 0x1000 /* Can do 100Mbps 4 Pairs */
+#define LRESR_100_2PAIR 0x0800 /* Can do 100Mbps 2 Pairs */
+#define LRESR_10_2PAIR 0x0400 /* Can do 10Mbps 2 Pairs */
+#define LRESR_10_1PAIR 0x0200 /* Can do 10Mbps 1 Pair */
+#define LRESR_ESTATEN 0x0100 /* Extended Status in R15 */
+#define LRESR_RESV 0x0080 /* Unused... */
+#define LRESR_MFPS 0x0040 /* Can suppress Management Frames Preamble */
+#define LRESR_LDSCOMPLETE 0x0020 /* LDS Auto-negotiation complete */
+#define LRESR_8023 0x0010 /* Has IEEE 802.3 Support */
+#define LRESR_LDSABILITY 0x0008 /* LDS auto-negotiation capable */
+#define LRESR_LSTATUS 0x0004 /* Link status */
+#define LRESR_JCD 0x0002 /* Jabber detected */
+#define LRESR_ERCAP 0x0001 /* Ext-reg capability */
+
+/* LDS Auto-Negotiation Advertised Ability. */
+#define LREANAA_PAUSE_ASYM 0x8000 /* Can pause asymmetrically */
+#define LREANAA_PAUSE 0x4000 /* Can pause */
+#define LREANAA_100_1PAIR 0x0020 /* Can do 100Mbps 1 Pair */
+#define LREANAA_100_4PAIR 0x0010 /* Can do 100Mbps 4 Pair */
+#define LREANAA_100_2PAIR 0x0008 /* Can do 100Mbps 2 Pair */
+#define LREANAA_10_2PAIR 0x0004 /* Can do 10Mbps 2 Pair */
+#define LREANAA_10_1PAIR 0x0002 /* Can do 10Mbps 1 Pair */
+
+#define LRE_ADVERTISE_FULL (LREANAA_100_1PAIR | LREANAA_100_4PAIR | \
+ LREANAA_100_2PAIR | LREANAA_10_2PAIR | \
+ LREANAA_10_1PAIR)
+
+#define LRE_ADVERTISE_ALL LRE_ADVERTISE_FULL
+
+/* LDS Link Partner Ability. */
+#define LRELPA_PAUSE_ASYM 0x8000 /* Supports asymmetric pause */
+#define LRELPA_PAUSE 0x4000 /* Supports pause capability */
+#define LRELPA_100_1PAIR 0x0020 /* 100Mbps 1 Pair capable */
+#define LRELPA_100_4PAIR 0x0010 /* 100Mbps 4 Pair capable */
+#define LRELPA_100_2PAIR 0x0008 /* 100Mbps 2 Pair capable */
+#define LRELPA_10_2PAIR 0x0004 /* 10Mbps 2 Pair capable */
+#define LRELPA_10_1PAIR 0x0002 /* 10Mbps 1 Pair capable */
+
+/* LDS Expansion register. */
+#define LDSE_DOWNGRADE 0x8000 /* Can do LDS Speed Downgrade */
+#define LDSE_MASTER 0x4000 /* Master / Slave */
+#define LDSE_PAIRS_MASK 0x3000 /* Pair Count Mask */
+#define LDSE_PAIRS_SHIFT 12
+#define LDSE_4PAIRS (2 << LDSE_PAIRS_SHIFT) /* 4 Pairs Connection */
+#define LDSE_2PAIRS (1 << LDSE_PAIRS_SHIFT) /* 2 Pairs Connection */
+#define LDSE_1PAIR (0 << LDSE_PAIRS_SHIFT) /* 1 Pair Connection */
+#define LDSE_CABLEN_MASK 0x0FFF /* Cable Length Mask */
/* BCM54810 Registers */
#define BCM54810_EXP_BROADREACH_LRE_MISC_CTL (MII_BCM54XX_EXP_SEL_ER + 0x90)
@@ -277,6 +357,15 @@
#define BCM54810_SHD_CLK_CTL 0x3
#define BCM54810_SHD_CLK_CTL_GTXCLK_EN (1 << 9)
+/* BCM54811 Registers */
+#define BCM54811_EXP_BROADREACH_LRE_OVERLAY_CTL (MII_BCM54XX_EXP_SEL_ER + 0x9A)
+/* Access Control Override Enable */
+#define BCM54811_EXP_BROADREACH_LRE_OVERLAY_CTL_EN BIT(15)
+/* Access Control Override Value */
+#define BCM54811_EXP_BROADREACH_LRE_OVERLAY_CTL_OVERRIDE_VAL BIT(14)
+/* Access Control Value */
+#define BCM54811_EXP_BROADREACH_LRE_OVERLAY_CTL_VAL BIT(13)
+
/* BCM54612E Registers */
#define BCM54612E_EXP_SPARE0 (MII_BCM54XX_EXP_SEL_ETC + 0x34)
#define BCM54612E_LED4_CLK125OUT_EN (1 << 1)
--
2.39.2
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