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Date: Thu, 20 Oct 2022 03:20:09 +0300
From: Vladimir Oltean <olteanv@...il.com>
To: Raju Lakkaraju <Raju.Lakkaraju@...rochip.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
linux-kernel@...r.kernel.org, Bryan.Whitehead@...rochip.com,
edumazet@...gle.com, pabeni@...hat.com,
UNGLinuxDriver@...rochip.com, Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH net-next V4] net: lan743x: Add support to SGMII register
dump for PCI11010/PCI11414 chips
On Tue, Oct 18, 2022 at 11:44:25AM +0530, Raju Lakkaraju wrote:
> +static void lan743x_sgmii_regs(struct net_device *dev, void *p)
> +{
> + struct lan743x_adapter *adp = netdev_priv(dev);
> + u32 *rb = p;
> +
> + rb[ETH_SR_VSMMD_DEV_ID1] = SGMII_RD(adp, VSPEC1, 0x0002);
> + rb[ETH_SR_VSMMD_DEV_ID2] = SGMII_RD(adp, VSPEC1, 0x0003);
> + rb[ETH_SR_VSMMD_PCS_ID1] = SGMII_RD(adp, VSPEC1, 0x0004);
> + rb[ETH_SR_VSMMD_PCS_ID2] = SGMII_RD(adp, VSPEC1, 0x0005);
> + rb[ETH_SR_VSMMD_STS] = SGMII_RD(adp, VSPEC1, 0x0008);
> + rb[ETH_SR_VSMMD_CTRL] = SGMII_RD(adp, VSPEC1, 0x0009);
> + rb[ETH_SR_MII_CTRL] = SGMII_RD(adp, VSPEC2, 0x0000);
> + rb[ETH_SR_MII_STS] = SGMII_RD(adp, VSPEC2, 0x0001);
> + rb[ETH_SR_MII_DEV_ID1] = SGMII_RD(adp, VSPEC2, 0x0002);
> + rb[ETH_SR_MII_DEV_ID2] = SGMII_RD(adp, VSPEC2, 0x0003);
> + rb[ETH_SR_MII_AN_ADV] = SGMII_RD(adp, VSPEC2, 0x0004);
> + rb[ETH_SR_MII_LP_BABL] = SGMII_RD(adp, VSPEC2, 0x0005);
> + rb[ETH_SR_MII_EXPN] = SGMII_RD(adp, VSPEC2, 0x0006);
> + rb[ETH_SR_MII_EXT_STS] = SGMII_RD(adp, VSPEC2, 0x000F);
> + rb[ETH_SR_MII_TIME_SYNC_ABL] = SGMII_RD(adp, VSPEC2, 0x0708);
> + rb[ETH_SR_MII_TIME_SYNC_TX_MAX_DLY_LWR] = SGMII_RD(adp, VSPEC2, 0x0709);
> + rb[ETH_SR_MII_TIME_SYNC_TX_MAX_DLY_UPR] = SGMII_RD(adp, VSPEC2, 0x070A);
> + rb[ETH_SR_MII_TIME_SYNC_TX_MIN_DLY_LWR] = SGMII_RD(adp, VSPEC2, 0x070B);
> + rb[ETH_SR_MII_TIME_SYNC_TX_MIN_DLY_UPR] = SGMII_RD(adp, VSPEC2, 0x070C);
> + rb[ETH_SR_MII_TIME_SYNC_RX_MAX_DLY_LWR] = SGMII_RD(adp, VSPEC2, 0x070D);
> + rb[ETH_SR_MII_TIME_SYNC_RX_MAX_DLY_UPR] = SGMII_RD(adp, VSPEC2, 0x070E);
> + rb[ETH_SR_MII_TIME_SYNC_RX_MIN_DLY_LWR] = SGMII_RD(adp, VSPEC2, 0x070F);
> + rb[ETH_SR_MII_TIME_SYNC_RX_MIN_DLY_UPR] = SGMII_RD(adp, VSPEC2, 0x0710);
> + rb[ETH_VR_MII_DIG_CTRL1] = SGMII_RD(adp, VSPEC2, 0x8000);
> + rb[ETH_VR_MII_AN_CTRL] = SGMII_RD(adp, VSPEC2, 0x8001);
> + rb[ETH_VR_MII_AN_INTR_STS] = SGMII_RD(adp, VSPEC2, 0x8002);
> + rb[ETH_VR_MII_TC] = SGMII_RD(adp, VSPEC2, 0x8003);
> + rb[ETH_VR_MII_DBG_CTRL] = SGMII_RD(adp, VSPEC2, 0x8005);
> + rb[ETH_VR_MII_EEE_MCTRL0] = SGMII_RD(adp, VSPEC2, 0x8006);
> + rb[ETH_VR_MII_EEE_TXTIMER] = SGMII_RD(adp, VSPEC2, 0x8008);
> + rb[ETH_VR_MII_EEE_RXTIMER] = SGMII_RD(adp, VSPEC2, 0x8009);
> + rb[ETH_VR_MII_LINK_TIMER_CTRL] = SGMII_RD(adp, VSPEC2, 0x800A);
> + rb[ETH_VR_MII_EEE_MCTRL1] = SGMII_RD(adp, VSPEC2, 0x800B);
> + rb[ETH_VR_MII_DIG_STS] = SGMII_RD(adp, VSPEC2, 0x8010);
> + rb[ETH_VR_MII_ICG_ERRCNT1] = SGMII_RD(adp, VSPEC2, 0x8011);
> + rb[ETH_VR_MII_GPIO] = SGMII_RD(adp, VSPEC2, 0x8015);
> + rb[ETH_VR_MII_EEE_LPI_STATUS] = SGMII_RD(adp, VSPEC2, 0x8016);
> + rb[ETH_VR_MII_EEE_WKERR] = SGMII_RD(adp, VSPEC2, 0x8017);
> + rb[ETH_VR_MII_MISC_STS] = SGMII_RD(adp, VSPEC2, 0x8018);
> + rb[ETH_VR_MII_RX_LSTS] = SGMII_RD(adp, VSPEC2, 0x8020);
> + rb[ETH_VR_MII_GEN2_GEN4_TX_BSTCTRL0] = SGMII_RD(adp, VSPEC2, 0x8038);
> + rb[ETH_VR_MII_GEN2_GEN4_TX_LVLCTRL0] = SGMII_RD(adp, VSPEC2, 0x803A);
> + rb[ETH_VR_MII_GEN2_GEN4_TXGENCTRL0] = SGMII_RD(adp, VSPEC2, 0x803C);
> + rb[ETH_VR_MII_GEN2_GEN4_TXGENCTRL1] = SGMII_RD(adp, VSPEC2, 0x803D);
> + rb[ETH_VR_MII_GEN4_TXGENCTRL2] = SGMII_RD(adp, VSPEC2, 0x803E);
> + rb[ETH_VR_MII_GEN2_GEN4_TX_STS] = SGMII_RD(adp, VSPEC2, 0x8048);
> + rb[ETH_VR_MII_GEN2_GEN4_RXGENCTRL0] = SGMII_RD(adp, VSPEC2, 0x8058);
> + rb[ETH_VR_MII_GEN2_GEN4_RXGENCTRL1] = SGMII_RD(adp, VSPEC2, 0x8059);
> + rb[ETH_VR_MII_GEN4_RXEQ_CTRL] = SGMII_RD(adp, VSPEC2, 0x805B);
> + rb[ETH_VR_MII_GEN4_RXLOS_CTRL0] = SGMII_RD(adp, VSPEC2, 0x805D);
> + rb[ETH_VR_MII_GEN2_GEN4_MPLL_CTRL0] = SGMII_RD(adp, VSPEC2, 0x8078);
> + rb[ETH_VR_MII_GEN2_GEN4_MPLL_CTRL1] = SGMII_RD(adp, VSPEC2, 0x8079);
> + rb[ETH_VR_MII_GEN2_GEN4_MPLL_STS] = SGMII_RD(adp, VSPEC2, 0x8088);
> + rb[ETH_VR_MII_GEN2_GEN4_LVL_CTRL] = SGMII_RD(adp, VSPEC2, 0x8090);
> + rb[ETH_VR_MII_GEN4_MISC_CTRL2] = SGMII_RD(adp, VSPEC2, 0x8093);
> + rb[ETH_VR_MII_GEN2_GEN4_MISC_CTRL0] = SGMII_RD(adp, VSPEC2, 0x8099);
> + rb[ETH_VR_MII_GEN2_GEN4_MISC_CTRL1] = SGMII_RD(adp, VSPEC2, 0x809A);
> + rb[ETH_VR_MII_SNPS_CR_CTRL] = SGMII_RD(adp, VSPEC2, 0x80A0);
> + rb[ETH_VR_MII_SNPS_CR_ADDR] = SGMII_RD(adp, VSPEC2, 0x80A1);
> + rb[ETH_VR_MII_SNPS_CR_DATA] = SGMII_RD(adp, VSPEC2, 0x80A2);
> + rb[ETH_VR_MII_DIG_CTRL2] = SGMII_RD(adp, VSPEC2, 0x80E1);
> + rb[ETH_VR_MII_DIG_ERRCNT] = SGMII_RD(adp, VSPEC2, 0x80E2);
What a nice DesignWare XPCS register layout... Is there any chance the
lan743x driver could use phylink and the XPCS driver from drivers/net/pcs/pcs-xpcs.c?
I'm thinking it would be nice if we could all have access to a register
dump procedure for it somehow.
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