kernel: bgmac: update patches

This updates the bgmac backport patch to the current upstream version 
and adds some more patches mostly for BCM4707.

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


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39165 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 393 insertions, 2 deletions

diff --git a/target/linux/generic/patches-3.10/770-bgmac-backport.patch b/target/linux/generic/patches-3.10/770-bgmac-backport.patch
index 38a34a930f..c6c8736866 100644
--- a/target/linux/generic/patches-3.10/770-bgmac-backport.patch
+++ b/target/linux/generic/patches-3.10/770-bgmac-backport.patch
@@ -338,7 +338,156 @@ patches for bgmac backported from net-next/master
  			    ring->num_slots * sizeof(struct bgmac_dma_desc));
  
  		ring->start = 0;
-@@ -909,9 +958,9 @@ static void bgmac_chip_reset(struct bgma
+@@ -633,70 +682,6 @@ static int bgmac_phy_write(struct bgmac
+ 	return 0;
+ }
+ 
+-/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphyforce */
+-static void bgmac_phy_force(struct bgmac *bgmac)
+-{
+-	u16 ctl;
+-	u16 mask = ~(BGMAC_PHY_CTL_SPEED | BGMAC_PHY_CTL_SPEED_MSB |
+-		     BGMAC_PHY_CTL_ANENAB | BGMAC_PHY_CTL_DUPLEX);
+-
+-	if (bgmac->phyaddr == BGMAC_PHY_NOREGS)
+-		return;
+-
+-	if (bgmac->autoneg)
+-		return;
+-
+-	ctl = bgmac_phy_read(bgmac, bgmac->phyaddr, BGMAC_PHY_CTL);
+-	ctl &= mask;
+-	if (bgmac->full_duplex)
+-		ctl |= BGMAC_PHY_CTL_DUPLEX;
+-	if (bgmac->speed == BGMAC_SPEED_100)
+-		ctl |= BGMAC_PHY_CTL_SPEED_100;
+-	else if (bgmac->speed == BGMAC_SPEED_1000)
+-		ctl |= BGMAC_PHY_CTL_SPEED_1000;
+-	bgmac_phy_write(bgmac, bgmac->phyaddr, BGMAC_PHY_CTL, ctl);
+-}
+-
+-/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphyadvertise */
+-static void bgmac_phy_advertise(struct bgmac *bgmac)
+-{
+-	u16 adv;
+-
+-	if (bgmac->phyaddr == BGMAC_PHY_NOREGS)
+-		return;
+-
+-	if (!bgmac->autoneg)
+-		return;
+-
+-	/* Adv selected 10/100 speeds */
+-	adv = bgmac_phy_read(bgmac, bgmac->phyaddr, BGMAC_PHY_ADV);
+-	adv &= ~(BGMAC_PHY_ADV_10HALF | BGMAC_PHY_ADV_10FULL |
+-		 BGMAC_PHY_ADV_100HALF | BGMAC_PHY_ADV_100FULL);
+-	if (!bgmac->full_duplex && bgmac->speed & BGMAC_SPEED_10)
+-		adv |= BGMAC_PHY_ADV_10HALF;
+-	if (!bgmac->full_duplex && bgmac->speed & BGMAC_SPEED_100)
+-		adv |= BGMAC_PHY_ADV_100HALF;
+-	if (bgmac->full_duplex && bgmac->speed & BGMAC_SPEED_10)
+-		adv |= BGMAC_PHY_ADV_10FULL;
+-	if (bgmac->full_duplex && bgmac->speed & BGMAC_SPEED_100)
+-		adv |= BGMAC_PHY_ADV_100FULL;
+-	bgmac_phy_write(bgmac, bgmac->phyaddr, BGMAC_PHY_ADV, adv);
+-
+-	/* Adv selected 1000 speeds */
+-	adv = bgmac_phy_read(bgmac, bgmac->phyaddr, BGMAC_PHY_ADV2);
+-	adv &= ~(BGMAC_PHY_ADV2_1000HALF | BGMAC_PHY_ADV2_1000FULL);
+-	if (!bgmac->full_duplex && bgmac->speed & BGMAC_SPEED_1000)
+-		adv |= BGMAC_PHY_ADV2_1000HALF;
+-	if (bgmac->full_duplex && bgmac->speed & BGMAC_SPEED_1000)
+-		adv |= BGMAC_PHY_ADV2_1000FULL;
+-	bgmac_phy_write(bgmac, bgmac->phyaddr, BGMAC_PHY_ADV2, adv);
+-
+-	/* Restart */
+-	bgmac_phy_write(bgmac, bgmac->phyaddr, BGMAC_PHY_CTL,
+-			bgmac_phy_read(bgmac, bgmac->phyaddr, BGMAC_PHY_CTL) |
+-			BGMAC_PHY_CTL_RESTART);
+-}
+-
+ /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphyinit */
+ static void bgmac_phy_init(struct bgmac *bgmac)
+ {
+@@ -827,19 +812,28 @@ static void bgmac_clear_mib(struct bgmac
+ }
+ 
+ /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/gmac_speed */
+-static void bgmac_speed(struct bgmac *bgmac, int speed)
++static void bgmac_mac_speed(struct bgmac *bgmac)
+ {
+ 	u32 mask = ~(BGMAC_CMDCFG_ES_MASK | BGMAC_CMDCFG_HD);
+ 	u32 set = 0;
+ 
+-	if (speed & BGMAC_SPEED_10)
++	switch (bgmac->mac_speed) {
++	case SPEED_10:
+ 		set |= BGMAC_CMDCFG_ES_10;
+-	if (speed & BGMAC_SPEED_100)
++		break;
++	case SPEED_100:
+ 		set |= BGMAC_CMDCFG_ES_100;
+-	if (speed & BGMAC_SPEED_1000)
++		break;
++	case SPEED_1000:
+ 		set |= BGMAC_CMDCFG_ES_1000;
+-	if (!bgmac->full_duplex)
++		break;
++	default:
++		bgmac_err(bgmac, "Unsupported speed: %d\n", bgmac->mac_speed);
++	}
++
++	if (bgmac->mac_duplex == DUPLEX_HALF)
+ 		set |= BGMAC_CMDCFG_HD;
++
+ 	bgmac_cmdcfg_maskset(bgmac, mask, set, true);
+ }
+ 
+@@ -848,10 +842,9 @@ static void bgmac_miiconfig(struct 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
+-			bgmac_speed(bgmac, bgmac->speed);
++		bgmac->mac_speed = SPEED_100;
++		bgmac->mac_duplex = DUPLEX_FULL;
++		bgmac_mac_speed(bgmac);
+ 	}
+ }
+ 
+@@ -884,9 +877,9 @@ static void bgmac_chip_reset(struct bgma
+ 	}
+ 
+ 	iost = bcma_aread32(core, BCMA_IOST);
+-	if ((ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == 10) ||
++	if ((ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == BCMA_PKG_ID_BCM47186) ||
+ 	    (ci->id == BCMA_CHIP_ID_BCM4749 && ci->pkg == 10) ||
+-	    (ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg == 9))
++	    (ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg == BCMA_PKG_ID_BCM47188))
+ 		iost &= ~BGMAC_BCMA_IOST_ATTACHED;
+ 
+ 	if (iost & BGMAC_BCMA_IOST_ATTACHED) {
+@@ -898,30 +891,35 @@ static void bgmac_chip_reset(struct bgma
+ 	bcma_core_enable(core, flags);
+ 
+ 	if (core->id.rev > 2) {
+-		bgmac_set(bgmac, BCMA_CLKCTLST, 1 << 8);
+-		bgmac_wait_value(bgmac->core, BCMA_CLKCTLST, 1 << 24, 1 << 24,
++		bgmac_set(bgmac, BCMA_CLKCTLST,
++			  BGMAC_BCMA_CLKCTLST_MISC_PLL_REQ);
++		bgmac_wait_value(bgmac->core, BCMA_CLKCTLST,
++				 BGMAC_BCMA_CLKCTLST_MISC_PLL_ST,
++				 BGMAC_BCMA_CLKCTLST_MISC_PLL_ST,
+ 				 1000);
+ 	}
+ 
+-	if (ci->id == BCMA_CHIP_ID_BCM5357 || ci->id == BCMA_CHIP_ID_BCM4749 ||
++	if (ci->id == BCMA_CHIP_ID_BCM5357 ||
++	    ci->id == BCMA_CHIP_ID_BCM4749 ||
+ 	    ci->id == BCMA_CHIP_ID_BCM53572) {
+ 		struct bcma_drv_cc *cc = &bgmac->core->bus->drv_cc;
  		u8 et_swtype = 0;
  		u8 sw_type = BGMAC_CHIPCTL_1_SW_TYPE_EPHY |
  			     BGMAC_CHIPCTL_1_IF_TYPE_MII;
@@ -350,7 +499,30 @@ patches for bgmac backported from net-next/master
  			if (kstrtou8(buf, 0, &et_swtype))
  				bgmac_err(bgmac, "Failed to parse et_swtype (%s)\n",
  					  buf);
-@@ -970,6 +1019,8 @@ 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_BCM5357 && ci->pkg == BCMA_PKG_ID_BCM47186) ||
++			   (ci->id == BCMA_CHIP_ID_BCM4749 && ci->pkg == 10) ||
++			   (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;
+ 		}
+@@ -960,6 +958,8 @@ static void bgmac_chip_reset(struct bgma
+ 			     BGMAC_CMDCFG_CFE |
+ 			     BGMAC_CMDCFG_SR,
+ 			     false);
++	bgmac->mac_speed = SPEED_UNKNOWN;
++	bgmac->mac_duplex = DUPLEX_UNKNOWN;
+ 
+ 	bgmac_clear_mib(bgmac);
+ 	if (core->id.id == BCMA_CORE_4706_MAC_GBIT)
+@@ -970,6 +970,8 @@ static void bgmac_chip_reset(struct bgma
  	bgmac_miiconfig(bgmac);
  	bgmac_phy_init(bgmac);
  
@@ -359,8 +531,205 @@ patches for bgmac backported from net-next/master
  	bgmac->int_status = 0;
  }
  
+@@ -1057,13 +1059,6 @@ static void bgmac_chip_init(struct bgmac
+ 
+ 	bgmac_write(bgmac, BGMAC_RXMAX_LENGTH, 32 + ETHER_MAX_LEN);
+ 
+-	if (!bgmac->autoneg) {
+-		bgmac_speed(bgmac, bgmac->speed);
+-		bgmac_phy_force(bgmac);
+-	} else if (bgmac->speed) { /* if there is anything to adv */
+-		bgmac_phy_advertise(bgmac);
+-	}
+-
+ 	if (full_init) {
+ 		bgmac_dma_init(bgmac);
+ 		if (1) /* FIXME: is there any case we don't want IRQs? */
+@@ -1153,6 +1148,8 @@ static int bgmac_open(struct net_device
+ 	}
+ 	napi_enable(&bgmac->napi);
+ 
++	phy_start(bgmac->phy_dev);
++
+ 	netif_carrier_on(net_dev);
+ 
+ err_out:
+@@ -1165,6 +1162,8 @@ static int bgmac_stop(struct net_device
+ 
+ 	netif_carrier_off(net_dev);
+ 
++	phy_stop(bgmac->phy_dev);
++
+ 	napi_disable(&bgmac->napi);
+ 	bgmac_chip_intrs_off(bgmac);
+ 	free_irq(bgmac->core->irq, net_dev);
+@@ -1243,61 +1242,16 @@ 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->phy_dev, 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->phy_dev, cmd);
+ }
+-#endif
+ 
+ static void bgmac_get_drvinfo(struct net_device *net_dev,
+ 			      struct ethtool_drvinfo *info)
+@@ -1308,6 +1262,7 @@ 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,
+ };
+ 
+@@ -1326,9 +1281,35 @@ 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 *net_dev)
++{
++	struct bgmac *bgmac = netdev_priv(net_dev);
++	struct phy_device *phy_dev = bgmac->phy_dev;
++	bool update = false;
++
++	if (phy_dev->link) {
++		if (phy_dev->speed != bgmac->mac_speed) {
++			bgmac->mac_speed = phy_dev->speed;
++			update = true;
++		}
++
++		if (phy_dev->duplex != bgmac->mac_duplex) {
++			bgmac->mac_duplex = phy_dev->duplex;
++			update = true;
++		}
++	}
++
++	if (update) {
++		bgmac_mac_speed(bgmac);
++		phy_print_status(phy_dev);
++	}
++}
++
+ static int bgmac_mii_register(struct bgmac *bgmac)
+ {
+ 	struct mii_bus *mii_bus;
++	struct phy_device *phy_dev;
++	char bus_id[MII_BUS_ID_SIZE + 3];
+ 	int i, err = 0;
+ 
+ 	mii_bus = mdiobus_alloc();
+@@ -1360,8 +1341,22 @@ static int bgmac_mii_register(struct bgm
+ 
+ 	bgmac->mii_bus = mii_bus;
+ 
++	/* Connect to the PHY */
++	snprintf(bus_id, sizeof(bus_id), PHY_ID_FMT, mii_bus->id,
++		 bgmac->phyaddr);
++	phy_dev = phy_connect(bgmac->net_dev, bus_id, &bgmac_adjust_link,
++			      PHY_INTERFACE_MODE_MII);
++	if (IS_ERR(phy_dev)) {
++		bgmac_err(bgmac, "PHY connecton failed\n");
++		err = PTR_ERR(phy_dev);
++		goto err_unregister_bus;
++	}
++	bgmac->phy_dev = phy_dev;
++
+ 	return err;
+ 
++err_unregister_bus:
++	mdiobus_unregister(mii_bus);
+ err_free_irq:
+ 	kfree(mii_bus->irq);
+ err_free_bus:
+@@ -1416,9 +1411,6 @@ static int bgmac_probe(struct bcma_devic
+ 	bcma_set_drvdata(core, bgmac);
+ 
+ 	/* Defaults */
+-	bgmac->autoneg = true;
+-	bgmac->full_duplex = true;
+-	bgmac->speed = BGMAC_SPEED_10 | BGMAC_SPEED_100 | BGMAC_SPEED_1000;
+ 	memcpy(bgmac->net_dev->dev_addr, mac, ETH_ALEN);
+ 
+ 	/* On BCM4706 we need common core to access PHY */
 --- a/drivers/net/ethernet/broadcom/bgmac.h
 +++ b/drivers/net/ethernet/broadcom/bgmac.h
+@@ -95,7 +95,11 @@
+ #define  BGMAC_RXQ_CTL_MDP_SHIFT		24
+ #define BGMAC_GPIO_SELECT			0x194
+ #define BGMAC_GPIO_OUTPUT_EN			0x198
+-/* For 0x1e0 see BCMA_CLKCTLST */
++
++/* For 0x1e0 see BCMA_CLKCTLST. Below are BGMAC specific bits */
++#define  BGMAC_BCMA_CLKCTLST_MISC_PLL_REQ	0x00000100
++#define  BGMAC_BCMA_CLKCTLST_MISC_PLL_ST	0x01000000
++
+ #define BGMAC_HW_WAR				0x1e4
+ #define BGMAC_PWR_CTL				0x1e8
+ #define BGMAC_DMA_BASE0				0x200		/* Tx and Rx controller */
+@@ -342,10 +346,6 @@
+ #define BGMAC_CHIPCTL_1_SW_TYPE_RGMII		0x000000C0
+ #define BGMAC_CHIPCTL_1_RXC_DLL_BYPASS		0x00010000
+ 
+-#define BGMAC_SPEED_10				0x0001
+-#define BGMAC_SPEED_100				0x0002
+-#define BGMAC_SPEED_1000			0x0004
+-
+ #define BGMAC_WEIGHT	64
+ 
+ #define ETHER_MAX_LEN   1518
 @@ -384,6 +384,8 @@ struct bgmac_dma_ring {
  	u16 mmio_base;
  	struct bgmac_dma_desc *cpu_base;
@@ -370,3 +739,25 @@ patches for bgmac backported from net-next/master
  
  	struct bgmac_slot_info slots[BGMAC_RX_RING_SLOTS];
  };
+@@ -400,6 +402,7 @@ struct bgmac {
+ 	struct net_device *net_dev;
+ 	struct napi_struct napi;
+ 	struct mii_bus *mii_bus;
++	struct phy_device *phy_dev;
+ 
+ 	/* DMA */
+ 	struct bgmac_dma_ring tx_ring[BGMAC_MAX_TX_RINGS];
+@@ -414,10 +417,9 @@ struct bgmac {
+ 	u32 int_mask;
+ 	u32 int_status;
+ 
+-	/* Speed-related */
+-	int speed;
+-	bool autoneg;
+-	bool full_duplex;
++	/* Current MAC state */
++	int mac_speed;
++	int mac_duplex;
+ 
+ 	u8 phyaddr;
+ 	bool has_robosw;