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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>

SVN-Revision: 39165
owl
Hauke Mehrtens 2013-12-26 23:22:31 +00:00
parent ac8d562503
commit bc3d934148
9 changed files with 603 additions and 270 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
target/linux/bcm53xx/patches-3.10/202-bgmac-make-bgmac-work-on-systems-without-nvram.patch
View File

@ -30,7 +30,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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),
@@ -1490,7 +1494,7 @@ static int bgmac_probe(struct bcma_devic
@@ -1441,7 +1445,7 @@ static int bgmac_probe(struct bcma_devic
int err;
/* We don't support 2nd, 3rd, ... units, SPROM has to be adjusted */
@ -39,7 +39,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
pr_err("Unsupported core_unit %d\n", core->core_unit);
return -ENOTSUPP;
}
@@ -1528,8 +1532,7 @@ static int bgmac_probe(struct bcma_devic
@@ -1476,8 +1480,7 @@ static int bgmac_probe(struct bcma_devic
}
bgmac->cmn = core->bus->drv_gmac_cmn.core;
@ -49,7 +49,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
bgmac->phyaddr &= BGMAC_PHY_MASK;
if (bgmac->phyaddr == BGMAC_PHY_MASK) {
bgmac_err(bgmac, "No PHY found\n");
@@ -1579,8 +1582,7 @@ static int bgmac_probe(struct bcma_devic
@@ -1527,8 +1530,7 @@ static int bgmac_probe(struct bcma_devic
/* TODO: reset the external phy. Specs are needed */
bgmac_phy_reset(bgmac);

395
target/linux/generic/patches-3.10/770-bgmac-backport.patch
View File

@ -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;

78
target/linux/generic/patches-3.10/771-bgmac-pending.patch Normal file
View File

@ -0,0 +1,78 @@
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -725,11 +725,9 @@ static void bgmac_phy_reset(struct bgmac
if (bgmac->phyaddr == BGMAC_PHY_NOREGS)
return;
- bgmac_phy_write(bgmac, bgmac->phyaddr, BGMAC_PHY_CTL,
- BGMAC_PHY_CTL_RESET);
+ bgmac_phy_write(bgmac, bgmac->phyaddr, MII_BMCR, BMCR_RESET);
udelay(100);
- if (bgmac_phy_read(bgmac, bgmac->phyaddr, BGMAC_PHY_CTL) &
- BGMAC_PHY_CTL_RESET)
+ if (bgmac_phy_read(bgmac, bgmac->phyaddr, MII_BMCR) & BMCR_RESET)
bgmac_err(bgmac, "PHY reset failed\n");
bgmac_phy_init(bgmac);
}
@@ -1200,27 +1198,11 @@ 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;
+
+ return phy_mii_ioctl(bgmac->phy_dev, ifr, cmd);
}
static const struct net_device_ops bgmac_netdev_ops = {
--- a/drivers/net/ethernet/broadcom/bgmac.h
+++ b/drivers/net/ethernet/broadcom/bgmac.h
@@ -220,27 +220,6 @@
#define BGMAC_RX_STATUS 0xb38
#define BGMAC_TX_STATUS 0xb3c
-#define BGMAC_PHY_CTL 0x00
-#define BGMAC_PHY_CTL_SPEED_MSB 0x0040
-#define BGMAC_PHY_CTL_DUPLEX 0x0100 /* duplex mode */
-#define BGMAC_PHY_CTL_RESTART 0x0200 /* restart autonegotiation */
-#define BGMAC_PHY_CTL_ANENAB 0x1000 /* enable autonegotiation */
-#define BGMAC_PHY_CTL_SPEED 0x2000
-#define BGMAC_PHY_CTL_LOOP 0x4000 /* loopback */
-#define BGMAC_PHY_CTL_RESET 0x8000 /* reset */
-/* Helpers */
-#define BGMAC_PHY_CTL_SPEED_10 0
-#define BGMAC_PHY_CTL_SPEED_100 BGMAC_PHY_CTL_SPEED
-#define BGMAC_PHY_CTL_SPEED_1000 BGMAC_PHY_CTL_SPEED_MSB
-#define BGMAC_PHY_ADV 0x04
-#define BGMAC_PHY_ADV_10HALF 0x0020 /* advertise 10MBits/s half duplex */
-#define BGMAC_PHY_ADV_10FULL 0x0040 /* advertise 10MBits/s full duplex */
-#define BGMAC_PHY_ADV_100HALF 0x0080 /* advertise 100MBits/s half duplex */
-#define BGMAC_PHY_ADV_100FULL 0x0100 /* advertise 100MBits/s full duplex */
-#define BGMAC_PHY_ADV2 0x09
-#define BGMAC_PHY_ADV2_1000HALF 0x0100 /* advertise 1000MBits/s half duplex */
-#define BGMAC_PHY_ADV2_1000FULL 0x0200 /* advertise 1000MBits/s full duplex */
-
/* BCMA GMAC core specific IO Control (BCMA_IOCTL) flags */
#define BGMAC_BCMA_IOCTL_SW_CLKEN 0x00000004 /* PHY Clock Enable */
#define BGMAC_BCMA_IOCTL_SW_RESET 0x00000008 /* PHY Reset */

194
target/linux/generic/patches-3.10/771-bgmac-phylib.patch
View File

@ -1,194 +0,0 @@
Use phy lib for the phy. This is needed to get the switch connected to
the phy and driven by b53 working.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -1252,27 +1252,14 @@ 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 = {
@@ -1294,61 +1281,16 @@ 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->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)
@@ -1359,6 +1301,7 @@ 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,
};
@@ -1377,10 +1320,36 @@ 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;
+ bool 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)
+ phy_print_status(phydev);
+}
+
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)
@@ -1411,7 +1380,28 @@ 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\n", 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
@@ -401,7 +401,10 @@ 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];

85
target/linux/generic/patches-3.10/772-bgmac-add-supprot-for-BCM4707.patch
View File

@ -4,78 +4,57 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -887,6 +887,8 @@ static void bgmac_speed(struct bgmac *bg
set |= BGMAC_CMDCFG_ES_100;
if (speed & BGMAC_SPEED_1000)
@@ -825,6 +825,9 @@ static void bgmac_mac_speed(struct bgmac
case SPEED_1000:
set |= BGMAC_CMDCFG_ES_1000;
+ if (speed & BGMAC_SPEED_2500)
break;
+ case SPEED_2500:
+ set |= BGMAC_CMDCFG_ES_2500;
if (!bgmac->full_duplex)
set |= BGMAC_CMDCFG_HD;
bgmac_cmdcfg_maskset(bgmac, mask, set, true);
@@ -894,13 +896,28 @@ static void bgmac_speed(struct bgmac *bg
+ break;
default:
bgmac_err(bgmac, "Unsupported speed: %d\n", bgmac->mac_speed);
}
@@ -837,12 +840,25 @@ static void bgmac_mac_speed(struct bgmac
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
- bgmac->mac_speed = SPEED_100;
+ struct bcma_device *core = bgmac->core;
+ struct bcma_chipinfo *ci = &core->bus->chipinfo;
+ u8 imode;
+
+ 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);
+ }
+ bcma_awrite32(core, BCMA_IOCTL,
+ bcma_aread32(core, BCMA_IOCTL) | 0x44);
+ bgmac->mac_speed = SPEED_2500;
bgmac->mac_duplex = DUPLEX_FULL;
bgmac_mac_speed(bgmac);
+ } else {
+ u8 imode = (bgmac_read(bgmac, BGMAC_DEV_STATUS) &
+ BGMAC_DS_MM_MASK) >> BGMAC_DS_MM_SHIFT;
+ 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);
+ }
}
}
@@ -946,7 +963,8 @@ static void bgmac_chip_reset(struct bgma
@@ -888,7 +904,8 @@ 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);
@@ -967,10 +985,13 @@ 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;
}
@@ -1077,12 +1098,15 @@ static void bgmac_enable(struct bgmac *b
bgmac_set(bgmac, BCMA_CLKCTLST,
BGMAC_BCMA_CLKCTLST_MISC_PLL_REQ);
bgmac_wait_value(bgmac->core, BCMA_CLKCTLST,
@@ -1026,12 +1043,15 @@ static void bgmac_enable(struct bgmac *b
break;
}
@ -97,7 +76,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
}
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipinit */
@@ -1488,6 +1512,25 @@ static int bgmac_probe(struct bcma_devic
@@ -1421,6 +1441,25 @@ static int bgmac_probe(struct bcma_devic
goto err_netdev_free;
}
@ -125,7 +104,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
err = bgmac_dma_alloc(bgmac);
--- a/drivers/net/ethernet/broadcom/bgmac.h
+++ b/drivers/net/ethernet/broadcom/bgmac.h
@@ -185,6 +185,7 @@
@@ -189,6 +189,7 @@
#define BGMAC_CMDCFG_ES_10 0x00000000
#define BGMAC_CMDCFG_ES_100 0x00000004
#define BGMAC_CMDCFG_ES_1000 0x00000008
@ -133,11 +112,3 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
#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

8
target/linux/generic/patches-3.10/773-bgmac-add-srab-switch.patch
View File

@ -12,7 +12,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
#include <bcm47xx_nvram.h>
static const struct bcma_device_id bgmac_bcma_tbl[] = {
@@ -1443,6 +1444,17 @@ static void bgmac_mii_unregister(struct
@@ -1375,6 +1376,17 @@ static void bgmac_mii_unregister(struct
mdiobus_free(mii_bus);
}
@ -30,7 +30,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
/**************************************************
* BCMA bus ops
**************************************************/
@@ -1561,6 +1573,16 @@ static int bgmac_probe(struct bcma_devic
@@ -1490,6 +1502,16 @@ static int bgmac_probe(struct bcma_devic
goto err_dma_free;
}
@ -47,7 +47,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
err = register_netdev(bgmac->net_dev);
if (err) {
bgmac_err(bgmac, "Cannot register net device\n");
@@ -1590,6 +1612,10 @@ static void bgmac_remove(struct bcma_dev
@@ -1519,6 +1541,10 @@ static void bgmac_remove(struct bcma_dev
{
struct bgmac *bgmac = bcma_get_drvdata(core);
@ -60,7 +60,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
bgmac_mii_unregister(bgmac);
--- a/drivers/net/ethernet/broadcom/bgmac.h
+++ b/drivers/net/ethernet/broadcom/bgmac.h
@@ -430,6 +430,9 @@ struct bgmac {
@@ -405,6 +405,9 @@ struct bgmac {
bool has_robosw;
bool loopback;

20
target/linux/generic/patches-3.10/774-bgmac-add-some-workaround-for-rev-4.patch
View File

@ -14,7 +14,7 @@ Subject: [PATCH] bgmac: add some workaround for rev 4
u32 ctl;
ctl = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_TX_CTL);
+ if (bgmac->core->id.rev == 4) {
+ if (bgmac->core->id.rev >= 4) {
+ ctl &= ~BGMAC_DMA_TX_BL_MASK;
+ ctl |= BGMAC_DMA_TX_BL_128 << BGMAC_DMA_TX_BL_SHIFT;
+ ctl &= ~BGMAC_DMA_TX_MR_MASK;
@ -32,7 +32,7 @@ Subject: [PATCH] bgmac: add some workaround for rev 4
ctl |= BGMAC_DMA_RX_OVERFLOW_CONT;
ctl |= BGMAC_RX_FRAME_OFFSET << BGMAC_DMA_RX_FRAME_OFFSET_SHIFT;
+
+ if (bgmac->core->id.rev == 4) {
+ if (bgmac->core->id.rev >= 4) {
+ ctl &= ~BGMAC_DMA_RX_BL_MASK;
+ ctl |= BGMAC_DMA_RX_BL_128 << BGMAC_DMA_RX_BL_SHIFT;
+
@ -45,7 +45,7 @@ Subject: [PATCH] bgmac: add some workaround for rev 4
bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_RX_CTL, ctl);
}
@@ -812,13 +833,13 @@ static void bgmac_cmdcfg_maskset(struct
@@ -746,13 +767,13 @@ static void bgmac_cmdcfg_maskset(struct
u32 cmdcfg = bgmac_read(bgmac, BGMAC_CMDCFG);
u32 new_val = (cmdcfg & mask) | set;
@ -61,16 +61,16 @@ Subject: [PATCH] bgmac: add some workaround for rev 4
udelay(2);
}
@@ -1029,7 +1050,7 @@ static void bgmac_chip_reset(struct bgma
@@ -972,7 +993,7 @@ static void bgmac_chip_reset(struct bgma
BGMAC_CMDCFG_PROM |
BGMAC_CMDCFG_NLC |
BGMAC_CMDCFG_CFE |
- BGMAC_CMDCFG_SR,
+ BGMAC_CMDCFG_SR(core->id.rev),
false);
bgmac_clear_mib(bgmac);
@@ -1070,7 +1091,7 @@ static void bgmac_enable(struct bgmac *b
bgmac->mac_speed = SPEED_UNKNOWN;
bgmac->mac_duplex = DUPLEX_UNKNOWN;
@@ -1015,7 +1036,7 @@ static void bgmac_enable(struct bgmac *b
cmdcfg = bgmac_read(bgmac, BGMAC_CMDCFG);
bgmac_cmdcfg_maskset(bgmac, ~(BGMAC_CMDCFG_TE | BGMAC_CMDCFG_RE),
@ -81,7 +81,7 @@ Subject: [PATCH] bgmac: add some workaround for rev 4
bgmac_write(bgmac, BGMAC_CMDCFG, cmdcfg);
--- a/drivers/net/ethernet/broadcom/bgmac.h
+++ b/drivers/net/ethernet/broadcom/bgmac.h
@@ -194,7 +194,9 @@
@@ -198,7 +198,9 @@
#define BGMAC_CMDCFG_TAI 0x00000200
#define BGMAC_CMDCFG_HD 0x00000400 /* Set if in half duplex mode */
#define BGMAC_CMDCFG_HD_SHIFT 10
@ -92,7 +92,7 @@ Subject: [PATCH] bgmac: add some workaround for rev 4
#define BGMAC_CMDCFG_ML 0x00008000 /* Set to activate mac loopback mode */
#define BGMAC_CMDCFG_AE 0x00400000
#define BGMAC_CMDCFG_CFE 0x00800000
@@ -255,9 +257,34 @@
@@ -238,9 +240,34 @@
#define BGMAC_DMA_TX_SUSPEND 0x00000002
#define BGMAC_DMA_TX_LOOPBACK 0x00000004
#define BGMAC_DMA_TX_FLUSH 0x00000010
@ -127,7 +127,7 @@ Subject: [PATCH] bgmac: add some workaround for rev 4
#define BGMAC_DMA_TX_INDEX 0x04
#define BGMAC_DMA_TX_RINGLO 0x08
#define BGMAC_DMA_TX_RINGHI 0x0C
@@ -285,8 +312,33 @@
@@ -268,8 +295,33 @@
#define BGMAC_DMA_RX_DIRECT_FIFO 0x00000100
#define BGMAC_DMA_RX_OVERFLOW_CONT 0x00000400
#define BGMAC_DMA_RX_PARITY_DISABLE 0x00000800

41
target/linux/generic/patches-3.10/775-bgmac-check-length-of-received-frame.patch Normal file
View File

@ -0,0 +1,41 @@
From 2d12a9abf3f81de5b51852e3cfcba8cedac82642 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Fri, 6 Dec 2013 01:14:52 +0100
Subject: [PATCH] bgmac: check length of received frame
---
drivers/net/ethernet/broadcom/bgmac.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -347,6 +347,7 @@ static int bgmac_dma_rx_read(struct bgma
struct sk_buff *skb = slot->skb;
struct bgmac_rx_header *rx;
u16 len, flags;
+ int count;
/* Unmap buffer to make it accessible to the CPU */
dma_sync_single_for_cpu(dma_dev, slot->dma_addr,
@@ -355,6 +356,12 @@ static int bgmac_dma_rx_read(struct bgma
/* Get info from the header */
rx = (struct bgmac_rx_header *)skb->data;
len = le16_to_cpu(rx->len);
+ for (count = 0; count < 200; count++) {
+ len = le16_to_cpu(rx->len);
+ if (len)
+ break;
+ udelay(1);
+ }
flags = le16_to_cpu(rx->flags);
do {
@@ -362,7 +369,7 @@ static int bgmac_dma_rx_read(struct bgma
int err;
/* Check for poison and drop or pass the packet */
- if (len == 0xdead && flags == 0xbeef) {
+ if (!len || (len == 0xdead && flags == 0xbeef)) {
bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
ring->start);
dma_sync_single_for_device(dma_dev,

46
target/linux/generic/patches-3.10/776-bgmac-add-dma-sync.patch Normal file
View File

@ -0,0 +1,46 @@
From 88d0993dbe84a9b88212a4845fca28bf4c919ffb Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Tue, 26 Nov 2013 23:59:32 +0100
Subject: [PATCH 14/16] bgmac: stuff
---
drivers/net/ethernet/broadcom/bgmac.c | 7 +++++++
1 file changed, 7 insertions(+)
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -120,6 +120,7 @@ static netdev_tx_t bgmac_dma_tx_add(stru
struct net_device *net_dev = bgmac->net_dev;
struct bgmac_dma_desc *dma_desc;
struct bgmac_slot_info *slot;
+ int size = ring->num_slots * sizeof(struct bgmac_dma_desc);
u32 ctl0, ctl1;
int free_slots;
@@ -160,6 +161,8 @@ static netdev_tx_t bgmac_dma_tx_add(stru
dma_desc->ctl0 = cpu_to_le32(ctl0);
dma_desc->ctl1 = cpu_to_le32(ctl1);
+ dma_sync_single_for_device(dma_dev, ring->dma_base, size, DMA_TO_DEVICE);
+
netdev_sent_queue(net_dev, skb->len);
wmb();
@@ -311,6 +314,8 @@ static void bgmac_dma_rx_setup_desc(stru
struct bgmac_dma_ring *ring, int desc_idx)
{
struct bgmac_dma_desc *dma_desc = ring->cpu_base + desc_idx;
+ struct device *dma_dev = bgmac->core->dma_dev;
+ int size = ring->num_slots * sizeof(struct bgmac_dma_desc);
u32 ctl0 = 0, ctl1 = 0;
if (desc_idx == ring->num_slots - 1)
@@ -325,6 +330,8 @@ static void bgmac_dma_rx_setup_desc(stru
dma_desc->addr_high = cpu_to_le32(upper_32_bits(ring->slots[desc_idx].dma_addr));
dma_desc->ctl0 = cpu_to_le32(ctl0);
dma_desc->ctl1 = cpu_to_le32(ctl1);
+
+ dma_sync_single_for_device(dma_dev, ring->dma_base, size, DMA_TO_DEVICE);
}
static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring,