bcm53xx: add initial bgmac patches

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37584 3c298f89-4303-0410-b956-a3cf2f4a3e73

4 files changed, 380 insertions, 0 deletions

diff --git a/target/linux/bcm53xx/patches-3.10/201-bgmac-add-dependency-to-phylib.patch b/target/linux/bcm53xx/patches-3.10/201-bgmac-add-dependency-to-phylib.patch
new file mode 100644
index 0000000000..e4172ae59b
--- /dev/null
+++ b/target/linux/bcm53xx/patches-3.10/201-bgmac-add-dependency-to-phylib.patch
@@ -0,0 +1,22 @@
+From d29611892717def1628f2677f7b0bd6eb2c58565 Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Wed, 10 Jul 2013 17:54:33 +0200
+Subject: [PATCH 16/18] bgmac: add dependency to phylib
+
+bgmac is using functions from phylib, add the dependency.
+
+Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+---
+ drivers/net/ethernet/broadcom/Kconfig |    1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/drivers/net/ethernet/broadcom/Kconfig
++++ b/drivers/net/ethernet/broadcom/Kconfig
+@@ -133,6 +133,7 @@ config BNX2X_SRIOV
+ config BGMAC
+ 	tristate "BCMA bus GBit core support"
+ 	depends on BCMA_HOST_SOC && HAS_DMA
++	select PHYLIB
+ 	---help---
+ 	  This driver supports GBit MAC and BCM4706 GBit MAC cores on BCMA bus.
+ 	  They can be found on BCM47xx SoCs and provide gigabit ethernet.
diff --git a/target/linux/bcm53xx/patches-3.10/202-bgmac-make-bgmac-work-on-systems-without-nvram.patch b/target/linux/bcm53xx/patches-3.10/202-bgmac-make-bgmac-work-on-systems-without-nvram.patch
new file mode 100644
index 0000000000..4ebb942ec0
--- /dev/null
+++ b/target/linux/bcm53xx/patches-3.10/202-bgmac-make-bgmac-work-on-systems-without-nvram.patch
@@ -0,0 +1,24 @@
+From e484cca2387df0878d55d8f3e8e4543aa668dd52 Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Wed, 10 Jul 2013 17:55:34 +0200
+Subject: [PATCH 17/18] bgmac: make bgmac work on systems without nvram
+
+Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+---
+ drivers/net/ethernet/broadcom/bgmac.c |    4 ++++
+ 1 file changed, 4 insertions(+)
+
+--- a/drivers/net/ethernet/broadcom/bgmac.c
++++ b/drivers/net/ethernet/broadcom/bgmac.c
+@@ -16,7 +16,11 @@
+ #include <linux/phy.h>
+ #include <linux/interrupt.h>
+ #include <linux/dma-mapping.h>
++#ifdef CONFIG_BCM47XX
+ #include <bcm47xx_nvram.h>
++#else
++#define bcm47xx_nvram_getenv(a, b, c) -1
++#endif
+ 
+ static const struct bcma_device_id bgmac_bcma_tbl[] = {
+ 	BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_4706_MAC_GBIT, BCMA_ANY_REV, BCMA_ANY_CLASS),
diff --git a/target/linux/bcm53xx/patches-3.10/203-bgmac-register-phy.patch b/target/linux/bcm53xx/patches-3.10/203-bgmac-register-phy.patch
new file mode 100644
index 0000000000..1bc267145e
--- /dev/null
+++ b/target/linux/bcm53xx/patches-3.10/203-bgmac-register-phy.patch
@@ -0,0 +1,209 @@
+From a145c561b9ba9ef402fbc3aa295b31521aa8591d Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Sun, 14 Jul 2013 00:04:21 +0200
+Subject: [PATCH 18/18] bgmac: register phy
+
+Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+---
+ drivers/net/ethernet/broadcom/bgmac.c |  137 ++++++++++++++++-----------------
+ drivers/net/ethernet/broadcom/bgmac.h |    3 +
+ 2 files changed, 71 insertions(+), 69 deletions(-)
+
+--- a/drivers/net/ethernet/broadcom/bgmac.c
++++ b/drivers/net/ethernet/broadcom/bgmac.c
+@@ -1205,27 +1205,14 @@ static int bgmac_set_mac_address(struct
+ static int bgmac_ioctl(struct net_device *net_dev, struct ifreq *ifr, int cmd)
+ {
+ 	struct bgmac *bgmac = netdev_priv(net_dev);
+-	struct mii_ioctl_data *data = if_mii(ifr);
+ 
+-	switch (cmd) {
+-	case SIOCGMIIPHY:
+-		data->phy_id = bgmac->phyaddr;
+-		/* fallthru */
+-	case SIOCGMIIREG:
+-		if (!netif_running(net_dev))
+-			return -EAGAIN;
+-		data->val_out = bgmac_phy_read(bgmac, data->phy_id,
+-					       data->reg_num & 0x1f);
+-		return 0;
+-	case SIOCSMIIREG:
+-		if (!netif_running(net_dev))
+-			return -EAGAIN;
+-		bgmac_phy_write(bgmac, data->phy_id, data->reg_num & 0x1f,
+-				data->val_in);
+-		return 0;
+-	default:
+-		return -EOPNOTSUPP;
+-	}
++ 	if (!netif_running(net_dev))
++ 		return -EINVAL;
++
++	if (!bgmac->phydev)
++		return -EINVAL;
++
++	return phy_mii_ioctl(bgmac->phydev, ifr, cmd);
+ }
+ 
+ static const struct net_device_ops bgmac_netdev_ops = {
+@@ -1247,61 +1234,18 @@ static int bgmac_get_settings(struct net
+ {
+ 	struct bgmac *bgmac = netdev_priv(net_dev);
+ 
+-	cmd->supported = SUPPORTED_10baseT_Half |
+-			 SUPPORTED_10baseT_Full |
+-			 SUPPORTED_100baseT_Half |
+-			 SUPPORTED_100baseT_Full |
+-			 SUPPORTED_1000baseT_Half |
+-			 SUPPORTED_1000baseT_Full |
+-			 SUPPORTED_Autoneg;
+-
+-	if (bgmac->autoneg) {
+-		WARN_ON(cmd->advertising);
+-		if (bgmac->full_duplex) {
+-			if (bgmac->speed & BGMAC_SPEED_10)
+-				cmd->advertising |= ADVERTISED_10baseT_Full;
+-			if (bgmac->speed & BGMAC_SPEED_100)
+-				cmd->advertising |= ADVERTISED_100baseT_Full;
+-			if (bgmac->speed & BGMAC_SPEED_1000)
+-				cmd->advertising |= ADVERTISED_1000baseT_Full;
+-		} else {
+-			if (bgmac->speed & BGMAC_SPEED_10)
+-				cmd->advertising |= ADVERTISED_10baseT_Half;
+-			if (bgmac->speed & BGMAC_SPEED_100)
+-				cmd->advertising |= ADVERTISED_100baseT_Half;
+-			if (bgmac->speed & BGMAC_SPEED_1000)
+-				cmd->advertising |= ADVERTISED_1000baseT_Half;
+-		}
+-	} else {
+-		switch (bgmac->speed) {
+-		case BGMAC_SPEED_10:
+-			ethtool_cmd_speed_set(cmd, SPEED_10);
+-			break;
+-		case BGMAC_SPEED_100:
+-			ethtool_cmd_speed_set(cmd, SPEED_100);
+-			break;
+-		case BGMAC_SPEED_1000:
+-			ethtool_cmd_speed_set(cmd, SPEED_1000);
+-			break;
+-		}
+-	}
+-
+-	cmd->duplex = bgmac->full_duplex ? DUPLEX_FULL : DUPLEX_HALF;
+-
+-	cmd->autoneg = bgmac->autoneg;
+-
+-	return 0;
++	return phy_ethtool_gset(bgmac->phydev, cmd);
+ }
+ 
+-#if 0
++
+ static int bgmac_set_settings(struct net_device *net_dev,
+ 			      struct ethtool_cmd *cmd)
+ {
+ 	struct bgmac *bgmac = netdev_priv(net_dev);
+ 
+-	return -1;
++	return phy_ethtool_sset(bgmac->phydev, cmd);
+ }
+-#endif
++
+ 
+ static void bgmac_get_drvinfo(struct net_device *net_dev,
+ 			      struct ethtool_drvinfo *info)
+@@ -1312,6 +1256,7 @@ static void bgmac_get_drvinfo(struct net
+ 
+ static const struct ethtool_ops bgmac_ethtool_ops = {
+ 	.get_settings		= bgmac_get_settings,
++	.set_settings		= bgmac_set_settings,
+ 	.get_drvinfo		= bgmac_get_drvinfo,
+ };
+ 
+@@ -1330,10 +1275,42 @@ static int bgmac_mii_write(struct mii_bu
+ 	return bgmac_phy_write(bus->priv, mii_id, regnum, value);
+ }
+ 
++static void bgmac_adjust_link(struct net_device *dev)
++{
++	struct bgmac *bgmac = netdev_priv(dev);
++	struct phy_device *phydev = bgmac->phydev;
++	int status_changed = 0;
++
++	BUG_ON(!phydev);
++
++	if (bgmac->old_link != phydev->link) {
++		status_changed = 1;
++		bgmac->old_link = phydev->link;
++	}
++
++	/* reflect duplex change */
++	if (phydev->link && (bgmac->old_duplex != phydev->duplex)) {
++		status_changed = 1;
++		bgmac->old_duplex = phydev->duplex;
++	}
++
++	if (status_changed) {
++		pr_info("%s: link %s", dev->name, phydev->link ?
++			"UP" : "DOWN");
++		if (phydev->link)
++			pr_cont(" - %d/%s", phydev->speed,
++			phydev->duplex == DUPLEX_FULL ? "full" : "half");
++		pr_cont("\n");
++	}
++}
++
+ static int bgmac_mii_register(struct bgmac *bgmac)
+ {
+ 	struct mii_bus *mii_bus;
+ 	int i, err = 0;
++	struct phy_device *phydev = NULL;
++	char phy_id[MII_BUS_ID_SIZE + 3];
++	struct net_device *net_dev = bgmac->net_dev;
+ 
+ 	mii_bus = mdiobus_alloc();
+ 	if (!mii_bus)
+@@ -1364,7 +1341,29 @@ static int bgmac_mii_register(struct bgm
+ 
+ 	bgmac->mii_bus = mii_bus;
+ 
+-	return err;
++	/* connect to PHY */
++	snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT,
++		 mii_bus->id, bgmac->phyaddr);
++
++	phydev = phy_connect(net_dev, phy_id, &bgmac_adjust_link,
++			     PHY_INTERFACE_MODE_MII);
++
++	if (IS_ERR(phydev)) {
++		netdev_err(net_dev, "could not attach PHY: %s", phy_id);
++		bgmac->phyaddr = BGMAC_PHY_NOREGS;
++		return PTR_ERR(phydev);
++	}
++
++	bgmac->phydev = phydev;
++	bgmac->old_link = 0;
++	bgmac->old_duplex = -1;
++	bgmac->phyaddr = phydev->addr;
++
++	netdev_info(net_dev, "attached PHY driver [%s] "
++		"(mii_bus:phy_addr=%s)\n",
++		phydev->drv->name, dev_name(&phydev->dev));
++
++	return 0;
+ 
+ err_free_irq:
+ 	kfree(mii_bus->irq);
+--- a/drivers/net/ethernet/broadcom/bgmac.h
++++ b/drivers/net/ethernet/broadcom/bgmac.h
+@@ -399,7 +399,10 @@ struct bgmac {
+ 	struct bcma_device *cmn; /* Reference to CMN core for BCM4706 */
+ 	struct net_device *net_dev;
+ 	struct napi_struct napi;
++	struct phy_device *phydev;
+ 	struct mii_bus *mii_bus;
++	int old_link;
++	int old_duplex;
+ 
+ 	/* DMA */
+ 	struct bgmac_dma_ring tx_ring[BGMAC_MAX_TX_RINGS];
diff --git a/target/linux/bcm53xx/patches-3.10/204-bgmac-add-supprot-for-BCM4707.patch b/target/linux/bcm53xx/patches-3.10/204-bgmac-add-supprot-for-BCM4707.patch
new file mode 100644
index 0000000000..7bbfa3f552
--- /dev/null
+++ b/target/linux/bcm53xx/patches-3.10/204-bgmac-add-supprot-for-BCM4707.patch
@@ -0,0 +1,125 @@
+From 91c50931fd696fa8d2f9888482f89a6a0683fe6f Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Mon, 15 Jul 2013 22:22:25 +0200
+Subject: [PATCH 19/20] bgmac: add supprot for BCM4707
+
+
+Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+---
+ drivers/net/ethernet/broadcom/bgmac.c |   56 +++++++++++++++++++++++----------
+ drivers/net/ethernet/broadcom/bgmac.h |    2 ++
+ 2 files changed, 42 insertions(+), 16 deletions(-)
+
+--- a/drivers/net/ethernet/broadcom/bgmac.c
++++ b/drivers/net/ethernet/broadcom/bgmac.c
+@@ -842,6 +842,8 @@ static void bgmac_speed(struct bgmac *bg
+ 		set |= BGMAC_CMDCFG_ES_100;
+ 	if (speed & BGMAC_SPEED_1000)
+ 		set |= BGMAC_CMDCFG_ES_1000;
++	if (speed & BGMAC_SPEED_2500)
++		set |= BGMAC_CMDCFG_ES_2500;
+ 	if (!bgmac->full_duplex)
+ 		set |= BGMAC_CMDCFG_HD;
+ 	bgmac_cmdcfg_maskset(bgmac, mask, set, true);
+@@ -849,13 +851,28 @@ static void bgmac_speed(struct bgmac *bg
+ 
+ static void bgmac_miiconfig(struct bgmac *bgmac)
+ {
+-	u8 imode = (bgmac_read(bgmac, BGMAC_DEV_STATUS) & BGMAC_DS_MM_MASK) >>
+-			BGMAC_DS_MM_SHIFT;
+-	if (imode == 0 || imode == 1) {
+-		if (bgmac->autoneg)
+-			bgmac_speed(bgmac, BGMAC_SPEED_100);
+-		else
++	struct bcma_device *core = bgmac->core;
++	struct bcma_chipinfo *ci = &core->bus->chipinfo;
++
++	if (ci->id != BCMA_CHIP_ID_BCM4707 &&
++	    ci->id != BCMA_CHIP_ID_BCM53018) {
++		if (bgmac->autoneg) {
++			bcma_awrite32(core, BCMA_IOCTL,
++				      bcma_aread32(core, BCMA_IOCTL) | 0x44);
++
++			bgmac_speed(bgmac, BGMAC_SPEED_2500);
++		} else {
+ 			bgmac_speed(bgmac, bgmac->speed);
++		}
++	} else {
++		u8 imode = (bgmac_read(bgmac, BGMAC_DEV_STATUS) &
++			    BGMAC_DS_MM_MASK) >> BGMAC_DS_MM_SHIFT;
++		if (imode == 0 || imode == 1) {
++			if (bgmac->autoneg)
++				bgmac_speed(bgmac, BGMAC_SPEED_100);
++			else
++				bgmac_speed(bgmac, bgmac->speed);
++		}
+ 	}
+ }
+ 
+@@ -901,7 +918,8 @@ static void bgmac_chip_reset(struct bgma
+ 
+ 	bcma_core_enable(core, flags);
+ 
+-	if (core->id.rev > 2) {
++	if (core->id.rev > 2 && ci->id != BCMA_CHIP_ID_BCM4707 &&
++	    ci->id != BCMA_CHIP_ID_BCM53018) {
+ 		bgmac_set(bgmac, BCMA_CLKCTLST, 1 << 8);
+ 		bgmac_wait_value(bgmac->core, BCMA_CLKCTLST, 1 << 24, 1 << 24,
+ 				 1000);
+@@ -922,10 +940,13 @@ static void bgmac_chip_reset(struct bgma
+ 			et_swtype &= 0x0f;
+ 			et_swtype <<= 4;
+ 			sw_type = et_swtype;
+-		} else if (ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == 9) {
++		} else if (ci->id == BCMA_CHIP_ID_BCM5357 &&
++			   ci->pkg == BCMA_PKG_ID_BCM5358) {
+ 			sw_type = BGMAC_CHIPCTL_1_SW_TYPE_EPHYRMII;
+-		} else if ((ci->id != BCMA_CHIP_ID_BCM53572 && ci->pkg == 10) ||
+-			   (ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg == 9)) {
++		} else if ((ci->id != BCMA_CHIP_ID_BCM53572 &&
++			    ci->pkg == BCMA_PKG_ID_BCM47186) ||
++			   (ci->id == BCMA_CHIP_ID_BCM53572 &&
++			    ci->pkg == BCMA_PKG_ID_BCM47188)) {
+ 			sw_type = BGMAC_CHIPCTL_1_IF_TYPE_RGMII |
+ 				  BGMAC_CHIPCTL_1_SW_TYPE_RGMII;
+ 		}
+@@ -1030,12 +1051,15 @@ static void bgmac_enable(struct bgmac *b
+ 		break;
+ 	}
+ 
+-	rxq_ctl = bgmac_read(bgmac, BGMAC_RXQ_CTL);
+-	rxq_ctl &= ~BGMAC_RXQ_CTL_MDP_MASK;
+-	bp_clk = bcma_pmu_get_bus_clock(&bgmac->core->bus->drv_cc) / 1000000;
+-	mdp = (bp_clk * 128 / 1000) - 3;
+-	rxq_ctl |= (mdp << BGMAC_RXQ_CTL_MDP_SHIFT);
+-	bgmac_write(bgmac, BGMAC_RXQ_CTL, rxq_ctl);
++	if (ci->id != BCMA_CHIP_ID_BCM4707 &&
++	    ci->id != BCMA_CHIP_ID_BCM53018) {
++		rxq_ctl = bgmac_read(bgmac, BGMAC_RXQ_CTL);
++		rxq_ctl &= ~BGMAC_RXQ_CTL_MDP_MASK;
++		bp_clk = bcma_pmu_get_bus_clock(&bgmac->core->bus->drv_cc) / 1000000;
++		mdp = (bp_clk * 128 / 1000) - 3;
++		rxq_ctl |= (mdp << BGMAC_RXQ_CTL_MDP_SHIFT);
++		bgmac_write(bgmac, BGMAC_RXQ_CTL, rxq_ctl);
++	}
+ }
+ 
+ /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipinit */
+--- a/drivers/net/ethernet/broadcom/bgmac.h
++++ b/drivers/net/ethernet/broadcom/bgmac.h
+@@ -185,6 +185,7 @@
+ #define   BGMAC_CMDCFG_ES_10			0x00000000
+ #define   BGMAC_CMDCFG_ES_100			0x00000004
+ #define   BGMAC_CMDCFG_ES_1000			0x00000008
++#define   BGMAC_CMDCFG_ES_2500			0x0000000C
+ #define  BGMAC_CMDCFG_PROM			0x00000010	/* Set to activate promiscuous mode */
+ #define  BGMAC_CMDCFG_PAD_EN			0x00000020
+ #define  BGMAC_CMDCFG_CF			0x00000040
+@@ -345,6 +346,7 @@
+ #define BGMAC_SPEED_10				0x0001
+ #define BGMAC_SPEED_100				0x0002
+ #define BGMAC_SPEED_1000			0x0004
++#define BGMAC_SPEED_2500			0x0008
+ 
+ #define BGMAC_WEIGHT	64
+