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openwrt/target/linux/brcm47xx/patches-3.8/760-bgmac-fixes.patch
Hauke Mehrtens 9805096f48 brcm47xx: bgmac: update to version form netdev git repository 
SVN-Revision: 35833
2013-02-28 13:24:39 +00:00

246 lines
8.3 KiB
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--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -301,7 +301,7 @@ static int bgmac_dma_rx_read(struct bgma
bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
ring->start);
} else {
- new_skb = netdev_alloc_skb(bgmac->net_dev, len);
+ new_skb = netdev_alloc_skb_ip_align(bgmac->net_dev, len);
if (new_skb) {
skb_put(new_skb, len);
skb_copy_from_linear_data_offset(skb, BGMAC_RX_FRAME_OFFSET,
@@ -436,6 +436,8 @@ static int bgmac_dma_alloc(struct bgmac
}
for (i = 0; i < BGMAC_MAX_RX_RINGS; i++) {
+ int j;
+
ring = &bgmac->rx_ring[i];
ring->num_slots = BGMAC_RX_RING_SLOTS;
ring->mmio_base = ring_base[i];
@@ -458,8 +460,8 @@ static int bgmac_dma_alloc(struct bgmac
bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n");
/* Alloc RX slots */
- for (i = 0; i < ring->num_slots; i++) {
- err = bgmac_dma_rx_skb_for_slot(bgmac, &ring->slots[i]);
+ for (j = 0; j < ring->num_slots; j++) {
+ err = bgmac_dma_rx_skb_for_slot(bgmac, &ring->slots[j]);
if (err) {
bgmac_err(bgmac, "Can't allocate skb for slot in RX ring\n");
goto err_dma_free;
@@ -496,6 +498,8 @@ static void bgmac_dma_init(struct bgmac
}
for (i = 0; i < BGMAC_MAX_RX_RINGS; i++) {
+ int j;
+
ring = &bgmac->rx_ring[i];
/* We don't implement unaligned addressing, so enable first */
@@ -505,11 +509,11 @@ static void bgmac_dma_init(struct bgmac
bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_RX_RINGHI,
upper_32_bits(ring->dma_base));
- for (i = 0, dma_desc = ring->cpu_base; i < ring->num_slots;
- i++, dma_desc++) {
+ for (j = 0, dma_desc = ring->cpu_base; j < ring->num_slots;
+ j++, dma_desc++) {
ctl0 = ctl1 = 0;
- if (i == ring->num_slots - 1)
+ if (j == ring->num_slots - 1)
ctl0 |= BGMAC_DESC_CTL0_EOT;
ctl1 |= BGMAC_RX_BUF_SIZE & BGMAC_DESC_CTL1_LEN;
/* Is there any BGMAC device that requires extension? */
@@ -517,8 +521,8 @@ static void bgmac_dma_init(struct bgmac
* B43_DMA64_DCTL1_ADDREXT_MASK;
*/
- dma_desc->addr_low = cpu_to_le32(lower_32_bits(ring->slots[i].dma_addr));
- dma_desc->addr_high = cpu_to_le32(upper_32_bits(ring->slots[i].dma_addr));
+ dma_desc->addr_low = cpu_to_le32(lower_32_bits(ring->slots[j].dma_addr));
+ dma_desc->addr_high = cpu_to_le32(upper_32_bits(ring->slots[j].dma_addr));
dma_desc->ctl0 = cpu_to_le32(ctl0);
dma_desc->ctl1 = cpu_to_le32(ctl1);
}
@@ -535,7 +539,7 @@ static void bgmac_dma_init(struct bgmac
* PHY ops
**************************************************/
-u16 bgmac_phy_read(struct bgmac *bgmac, u8 phyaddr, u8 reg)
+static u16 bgmac_phy_read(struct bgmac *bgmac, u8 phyaddr, u8 reg)
{
struct bcma_device *core;
u16 phy_access_addr;
@@ -584,7 +588,7 @@ u16 bgmac_phy_read(struct bgmac *bgmac,
}
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphywr */
-void bgmac_phy_write(struct bgmac *bgmac, u8 phyaddr, u8 reg, u16 value)
+static int bgmac_phy_write(struct bgmac *bgmac, u8 phyaddr, u8 reg, u16 value)
{
struct bcma_device *core;
u16 phy_access_addr;
@@ -617,9 +621,13 @@ void bgmac_phy_write(struct bgmac *bgmac
tmp |= value;
bcma_write32(core, phy_access_addr, tmp);
- if (!bgmac_wait_value(core, phy_access_addr, BGMAC_PA_START, 0, 1000))
+ if (!bgmac_wait_value(core, phy_access_addr, BGMAC_PA_START, 0, 1000)) {
bgmac_err(bgmac, "Writing to PHY %d register 0x%X failed\n",
phyaddr, reg);
+ return -ETIMEDOUT;
+ }
+
+ return 0;
}
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphyforce */
@@ -761,6 +769,26 @@ static void bgmac_cmdcfg_maskset(struct
udelay(2);
}
+static void bgmac_write_mac_address(struct bgmac *bgmac, u8 *addr)
+{
+ u32 tmp;
+
+ tmp = (addr[0] << 24) | (addr[1] << 16) | (addr[2] << 8) | addr[3];
+ bgmac_write(bgmac, BGMAC_MACADDR_HIGH, tmp);
+ tmp = (addr[4] << 8) | addr[5];
+ bgmac_write(bgmac, BGMAC_MACADDR_LOW, tmp);
+}
+
+static void bgmac_set_rx_mode(struct net_device *net_dev)
+{
+ struct bgmac *bgmac = netdev_priv(net_dev);
+
+ if (net_dev->flags & IFF_PROMISC)
+ bgmac_cmdcfg_maskset(bgmac, ~0, BGMAC_CMDCFG_PROM, true);
+ else
+ bgmac_cmdcfg_maskset(bgmac, ~BGMAC_CMDCFG_PROM, 0, true);
+}
+
#if 0 /* We don't use that regs yet */
static void bgmac_chip_stats_update(struct bgmac *bgmac)
{
@@ -889,8 +917,10 @@ static void bgmac_chip_reset(struct bgma
sw_type = et_swtype;
} else if (ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == 9) {
sw_type = BGMAC_CHIPCTL_1_SW_TYPE_EPHYRMII;
- } else if (0) {
- /* TODO */
+ } else if ((ci->id != BCMA_CHIP_ID_BCM53572 && ci->pkg == 10) ||
+ (ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg == 9)) {
+ sw_type = BGMAC_CHIPCTL_1_IF_TYPE_RGMII |
+ BGMAC_CHIPCTL_1_SW_TYPE_RGMII;
}
bcma_chipco_chipctl_maskset(cc, 1,
~(BGMAC_CHIPCTL_1_IF_TYPE_MASK |
@@ -948,6 +978,7 @@ static void bgmac_chip_intrs_on(struct b
static void bgmac_chip_intrs_off(struct bgmac *bgmac)
{
bgmac_write(bgmac, BGMAC_INT_MASK, 0);
+ bgmac_read(bgmac, BGMAC_INT_MASK);
}
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/gmac_enable */
@@ -1004,8 +1035,6 @@ static void bgmac_enable(struct bgmac *b
static void bgmac_chip_init(struct bgmac *bgmac, bool full_init)
{
struct bgmac_dma_ring *ring;
- u8 *mac = bgmac->net_dev->dev_addr;
- u32 tmp;
int i;
/* 1 interrupt per received frame */
@@ -1014,21 +1043,14 @@ static void bgmac_chip_init(struct bgmac
/* Enable 802.3x tx flow control (honor received PAUSE frames) */
bgmac_cmdcfg_maskset(bgmac, ~BGMAC_CMDCFG_RPI, 0, true);
- if (bgmac->net_dev->flags & IFF_PROMISC)
- bgmac_cmdcfg_maskset(bgmac, ~0, BGMAC_CMDCFG_PROM, false);
- else
- bgmac_cmdcfg_maskset(bgmac, ~BGMAC_CMDCFG_PROM, 0, false);
+ bgmac_set_rx_mode(bgmac->net_dev);
- /* Set MAC addr */
- tmp = (mac[0] << 24) | (mac[1] << 16) | (mac[2] << 8) | mac[3];
- bgmac_write(bgmac, BGMAC_MACADDR_HIGH, tmp);
- tmp = (mac[4] << 8) | mac[5];
- bgmac_write(bgmac, BGMAC_MACADDR_LOW, tmp);
+ bgmac_write_mac_address(bgmac, bgmac->net_dev->dev_addr);
if (bgmac->loopback)
- bgmac_cmdcfg_maskset(bgmac, ~0, BGMAC_CMDCFG_ML, true);
+ bgmac_cmdcfg_maskset(bgmac, ~0, BGMAC_CMDCFG_ML, false);
else
- bgmac_cmdcfg_maskset(bgmac, ~BGMAC_CMDCFG_ML, 0, true);
+ bgmac_cmdcfg_maskset(bgmac, ~BGMAC_CMDCFG_ML, 0, false);
bgmac_write(bgmac, BGMAC_RXMAX_LENGTH, 32 + ETHER_MAX_LEN);
@@ -1160,6 +1182,19 @@ static netdev_tx_t bgmac_start_xmit(stru
return bgmac_dma_tx_add(bgmac, ring, skb);
}
+static int bgmac_set_mac_address(struct net_device *net_dev, void *addr)
+{
+ struct bgmac *bgmac = netdev_priv(net_dev);
+ int ret;
+
+ ret = eth_prepare_mac_addr_change(net_dev, addr);
+ if (ret < 0)
+ return ret;
+ bgmac_write_mac_address(bgmac, (u8 *)addr);
+ eth_commit_mac_addr_change(net_dev, addr);
+ return 0;
+}
+
static int bgmac_ioctl(struct net_device *net_dev, struct ifreq *ifr, int cmd)
{
struct bgmac *bgmac = netdev_priv(net_dev);
@@ -1190,7 +1225,9 @@ static const struct net_device_ops bgmac
.ndo_open = bgmac_open,
.ndo_stop = bgmac_stop,
.ndo_start_xmit = bgmac_start_xmit,
- .ndo_set_mac_address = eth_mac_addr, /* generic, sets dev_addr */
+ .ndo_set_rx_mode = bgmac_set_rx_mode,
+ .ndo_set_mac_address = bgmac_set_mac_address,
+ .ndo_validate_addr = eth_validate_addr,
.ndo_do_ioctl = bgmac_ioctl,
};
@@ -1290,6 +1327,12 @@ static int bgmac_probe(struct bcma_devic
return -ENOTSUPP;
}
+ if (!is_valid_ether_addr(mac)) {
+ dev_err(&core->dev, "Invalid MAC addr: %pM\n", mac);
+ eth_random_addr(mac);
+ dev_warn(&core->dev, "Using random MAC: %pM\n", mac);
+ }
+
/* Allocation and references */
net_dev = alloc_etherdev(sizeof(*bgmac));
if (!net_dev)
--- a/drivers/net/ethernet/broadcom/bgmac.h
+++ b/drivers/net/ethernet/broadcom/bgmac.h
@@ -339,7 +339,7 @@
#define BGMAC_CHIPCTL_1_SW_TYPE_EPHY 0x00000000
#define BGMAC_CHIPCTL_1_SW_TYPE_EPHYMII 0x00000040
#define BGMAC_CHIPCTL_1_SW_TYPE_EPHYRMII 0x00000080
-#define BGMAC_CHIPCTL_1_SW_TYPE_RGMI 0x000000C0
+#define BGMAC_CHIPCTL_1_SW_TYPE_RGMII 0x000000C0
#define BGMAC_CHIPCTL_1_RXC_DLL_BYPASS 0x00010000
#define BGMAC_SPEED_10 0x0001
@@ -450,7 +450,4 @@ static inline void bgmac_set(struct bgma
bgmac_maskset(bgmac, offset, ~0, set);
}
-u16 bgmac_phy_read(struct bgmac *bgmac, u8 phyaddr, u8 reg);
-void bgmac_phy_write(struct bgmac *bgmac, u8 phyaddr, u8 reg, u16 value);
-
#endif /* _BGMAC_H */
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