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-rw-r--r--drivers/net/ethernet/marvell/Kconfig4
-rw-r--r--drivers/net/ethernet/marvell/mvmdio.c44
-rw-r--r--drivers/net/ethernet/marvell/mvneta.c107
-rw-r--r--drivers/net/ethernet/marvell/mvpp2.c1313
-rw-r--r--drivers/net/ethernet/marvell/pxa168_eth.c14
-rw-r--r--drivers/net/ethernet/marvell/skge.c4
-rw-r--r--drivers/net/ethernet/marvell/sky2.c2
7 files changed, 1048 insertions, 440 deletions
diff --git a/drivers/net/ethernet/marvell/Kconfig b/drivers/net/ethernet/marvell/Kconfig
index d2555e8b947e..da6fb825afea 100644
--- a/drivers/net/ethernet/marvell/Kconfig
+++ b/drivers/net/ethernet/marvell/Kconfig
@@ -82,13 +82,13 @@ config MVNETA_BM
that all dependencies are met.
config MVPP2
- tristate "Marvell Armada 375 network interface support"
+ tristate "Marvell Armada 375/7K/8K network interface support"
depends on ARCH_MVEBU || COMPILE_TEST
depends on HAS_DMA
select MVMDIO
---help---
This driver supports the network interface units in the
- Marvell ARMADA 375 SoC.
+ Marvell ARMADA 375, 7K and 8K SoCs.
config PXA168_ETH
tristate "Marvell pxa168 ethernet support"
diff --git a/drivers/net/ethernet/marvell/mvmdio.c b/drivers/net/ethernet/marvell/mvmdio.c
index a0d1b084ecec..90a60b98c28e 100644
--- a/drivers/net/ethernet/marvell/mvmdio.c
+++ b/drivers/net/ethernet/marvell/mvmdio.c
@@ -53,7 +53,7 @@
struct orion_mdio_dev {
struct mutex lock;
void __iomem *regs;
- struct clk *clk;
+ struct clk *clk[3];
/*
* If we have access to the error interrupt pin (which is
* somewhat misnamed as it not only reflects internal errors
@@ -187,7 +187,7 @@ static int orion_mdio_probe(struct platform_device *pdev)
struct resource *r;
struct mii_bus *bus;
struct orion_mdio_dev *dev;
- int ret;
+ int i, ret;
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!r) {
@@ -216,11 +216,20 @@ static int orion_mdio_probe(struct platform_device *pdev)
init_waitqueue_head(&dev->smi_busy_wait);
- dev->clk = devm_clk_get(&pdev->dev, NULL);
- if (!IS_ERR(dev->clk))
- clk_prepare_enable(dev->clk);
+ for (i = 0; i < ARRAY_SIZE(dev->clk); i++) {
+ dev->clk[i] = of_clk_get(pdev->dev.of_node, i);
+ if (IS_ERR(dev->clk[i]))
+ break;
+ clk_prepare_enable(dev->clk[i]);
+ }
dev->err_interrupt = platform_get_irq(pdev, 0);
+ if (dev->err_interrupt > 0 &&
+ resource_size(r) < MVMDIO_ERR_INT_MASK + 4) {
+ dev_err(&pdev->dev,
+ "disabling interrupt, resource size is too small\n");
+ dev->err_interrupt = 0;
+ }
if (dev->err_interrupt > 0) {
ret = devm_request_irq(&pdev->dev, dev->err_interrupt,
orion_mdio_err_irq,
@@ -251,8 +260,16 @@ static int orion_mdio_probe(struct platform_device *pdev)
return 0;
out_mdio:
- if (!IS_ERR(dev->clk))
- clk_disable_unprepare(dev->clk);
+ if (dev->err_interrupt > 0)
+ writel(0, dev->regs + MVMDIO_ERR_INT_MASK);
+
+ for (i = 0; i < ARRAY_SIZE(dev->clk); i++) {
+ if (IS_ERR(dev->clk[i]))
+ break;
+ clk_disable_unprepare(dev->clk[i]);
+ clk_put(dev->clk[i]);
+ }
+
return ret;
}
@@ -260,11 +277,18 @@ static int orion_mdio_remove(struct platform_device *pdev)
{
struct mii_bus *bus = platform_get_drvdata(pdev);
struct orion_mdio_dev *dev = bus->priv;
+ int i;
- writel(0, dev->regs + MVMDIO_ERR_INT_MASK);
+ if (dev->err_interrupt > 0)
+ writel(0, dev->regs + MVMDIO_ERR_INT_MASK);
mdiobus_unregister(bus);
- if (!IS_ERR(dev->clk))
- clk_disable_unprepare(dev->clk);
+
+ for (i = 0; i < ARRAY_SIZE(dev->clk); i++) {
+ if (IS_ERR(dev->clk[i]))
+ break;
+ clk_disable_unprepare(dev->clk[i]);
+ clk_put(dev->clk[i]);
+ }
return 0;
}
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 61dd4462411c..d297011b535d 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -431,6 +431,7 @@ struct mvneta_port {
/* Flags for special SoC configurations */
bool neta_armada3700;
u16 rx_offset_correction;
+ const struct mbus_dram_target_info *dram_target_info;
};
/* The mvneta_tx_desc and mvneta_rx_desc structures describe the
@@ -1106,7 +1107,7 @@ static void mvneta_port_up(struct mvneta_port *pp)
q_map = 0;
for (queue = 0; queue < txq_number; queue++) {
struct mvneta_tx_queue *txq = &pp->txqs[queue];
- if (txq->descs != NULL)
+ if (txq->descs)
q_map |= (1 << queue);
}
mvreg_write(pp, MVNETA_TXQ_CMD, q_map);
@@ -1115,7 +1116,7 @@ static void mvneta_port_up(struct mvneta_port *pp)
for (queue = 0; queue < rxq_number; queue++) {
struct mvneta_rx_queue *rxq = &pp->rxqs[queue];
- if (rxq->descs != NULL)
+ if (rxq->descs)
q_map |= (1 << queue);
}
mvreg_write(pp, MVNETA_RXQ_CMD, q_map);
@@ -2849,7 +2850,7 @@ static int mvneta_rxq_init(struct mvneta_port *pp,
rxq->descs = dma_alloc_coherent(pp->dev->dev.parent,
rxq->size * MVNETA_DESC_ALIGNED_SIZE,
&rxq->descs_phys, GFP_KERNEL);
- if (rxq->descs == NULL)
+ if (!rxq->descs)
return -ENOMEM;
rxq->last_desc = rxq->size - 1;
@@ -2919,7 +2920,7 @@ static int mvneta_txq_init(struct mvneta_port *pp,
txq->descs = dma_alloc_coherent(pp->dev->dev.parent,
txq->size * MVNETA_DESC_ALIGNED_SIZE,
&txq->descs_phys, GFP_KERNEL);
- if (txq->descs == NULL)
+ if (!txq->descs)
return -ENOMEM;
txq->last_desc = txq->size - 1;
@@ -2932,8 +2933,9 @@ static int mvneta_txq_init(struct mvneta_port *pp,
mvreg_write(pp, MVNETA_TXQ_BASE_ADDR_REG(txq->id), txq->descs_phys);
mvreg_write(pp, MVNETA_TXQ_SIZE_REG(txq->id), txq->size);
- txq->tx_skb = kmalloc(txq->size * sizeof(*txq->tx_skb), GFP_KERNEL);
- if (txq->tx_skb == NULL) {
+ txq->tx_skb = kmalloc_array(txq->size, sizeof(*txq->tx_skb),
+ GFP_KERNEL);
+ if (!txq->tx_skb) {
dma_free_coherent(pp->dev->dev.parent,
txq->size * MVNETA_DESC_ALIGNED_SIZE,
txq->descs, txq->descs_phys);
@@ -2944,7 +2946,7 @@ static int mvneta_txq_init(struct mvneta_port *pp,
txq->tso_hdrs = dma_alloc_coherent(pp->dev->dev.parent,
txq->size * TSO_HEADER_SIZE,
&txq->tso_hdrs_phys, GFP_KERNEL);
- if (txq->tso_hdrs == NULL) {
+ if (!txq->tso_hdrs) {
kfree(txq->tx_skb);
dma_free_coherent(pp->dev->dev.parent,
txq->size * MVNETA_DESC_ALIGNED_SIZE,
@@ -3317,6 +3319,7 @@ static void mvneta_adjust_link(struct net_device *ndev)
static int mvneta_mdio_probe(struct mvneta_port *pp)
{
struct phy_device *phy_dev;
+ struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL };
phy_dev = of_phy_connect(pp->dev, pp->phy_node, mvneta_adjust_link, 0,
pp->phy_interface);
@@ -3325,6 +3328,9 @@ static int mvneta_mdio_probe(struct mvneta_port *pp)
return -ENODEV;
}
+ phy_ethtool_get_wol(phy_dev, &wol);
+ device_set_wakeup_capable(&pp->dev->dev, !!wol.supported);
+
phy_dev->supported &= PHY_GBIT_FEATURES;
phy_dev->advertising = phy_dev->supported;
@@ -3941,10 +3947,16 @@ static void mvneta_ethtool_get_wol(struct net_device *dev,
static int mvneta_ethtool_set_wol(struct net_device *dev,
struct ethtool_wolinfo *wol)
{
+ int ret;
+
if (!dev->phydev)
return -EOPNOTSUPP;
- return phy_ethtool_set_wol(dev->phydev, wol);
+ ret = phy_ethtool_set_wol(dev->phydev, wol);
+ if (!ret)
+ device_set_wakeup_enable(&dev->dev, !!wol->wolopts);
+
+ return ret;
}
static const struct net_device_ops mvneta_netdev_ops = {
@@ -3991,8 +4003,7 @@ static int mvneta_init(struct device *dev, struct mvneta_port *pp)
/* Set port default values */
mvneta_defaults_set(pp);
- pp->txqs = devm_kcalloc(dev, txq_number, sizeof(struct mvneta_tx_queue),
- GFP_KERNEL);
+ pp->txqs = devm_kcalloc(dev, txq_number, sizeof(*pp->txqs), GFP_KERNEL);
if (!pp->txqs)
return -ENOMEM;
@@ -4004,8 +4015,7 @@ static int mvneta_init(struct device *dev, struct mvneta_port *pp)
txq->done_pkts_coal = MVNETA_TXDONE_COAL_PKTS;
}
- pp->rxqs = devm_kcalloc(dev, rxq_number, sizeof(struct mvneta_rx_queue),
- GFP_KERNEL);
+ pp->rxqs = devm_kcalloc(dev, rxq_number, sizeof(*pp->rxqs), GFP_KERNEL);
if (!pp->rxqs)
return -ENOMEM;
@@ -4016,9 +4026,11 @@ static int mvneta_init(struct device *dev, struct mvneta_port *pp)
rxq->size = pp->rx_ring_size;
rxq->pkts_coal = MVNETA_RX_COAL_PKTS;
rxq->time_coal = MVNETA_RX_COAL_USEC;
- rxq->buf_virt_addr = devm_kmalloc(pp->dev->dev.parent,
- rxq->size * sizeof(void *),
- GFP_KERNEL);
+ rxq->buf_virt_addr
+ = devm_kmalloc_array(pp->dev->dev.parent,
+ rxq->size,
+ sizeof(*rxq->buf_virt_addr),
+ GFP_KERNEL);
if (!rxq->buf_virt_addr)
return -ENOMEM;
}
@@ -4098,6 +4110,8 @@ static int mvneta_port_power_up(struct mvneta_port *pp, int phy_mode)
break;
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_RGMII_ID:
+ case PHY_INTERFACE_MODE_RGMII_RXID:
+ case PHY_INTERFACE_MODE_RGMII_TXID:
ctrl |= MVNETA_GMAC2_PORT_RGMII;
break;
default:
@@ -4118,7 +4132,6 @@ static int mvneta_port_power_up(struct mvneta_port *pp, int phy_mode)
/* Device initialization routine */
static int mvneta_probe(struct platform_device *pdev)
{
- const struct mbus_dram_target_info *dram_target_info;
struct resource *res;
struct device_node *dn = pdev->dev.of_node;
struct device_node *phy_node;
@@ -4267,13 +4280,13 @@ static int mvneta_probe(struct platform_device *pdev)
pp->tx_csum_limit = tx_csum_limit;
- dram_target_info = mv_mbus_dram_info();
+ pp->dram_target_info = mv_mbus_dram_info();
/* Armada3700 requires setting default configuration of Mbus
* windows, however without using filled mbus_dram_target_info
* structure.
*/
- if (dram_target_info || pp->neta_armada3700)
- mvneta_conf_mbus_windows(pp, dram_target_info);
+ if (pp->dram_target_info || pp->neta_armada3700)
+ mvneta_conf_mbus_windows(pp, pp->dram_target_info);
pp->tx_ring_size = MVNETA_MAX_TXD;
pp->rx_ring_size = MVNETA_MAX_RXD;
@@ -4405,6 +4418,61 @@ static int mvneta_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int mvneta_suspend(struct device *device)
+{
+ struct net_device *dev = dev_get_drvdata(device);
+ struct mvneta_port *pp = netdev_priv(dev);
+
+ if (netif_running(dev))
+ mvneta_stop(dev);
+ netif_device_detach(dev);
+ clk_disable_unprepare(pp->clk_bus);
+ clk_disable_unprepare(pp->clk);
+ return 0;
+}
+
+static int mvneta_resume(struct device *device)
+{
+ struct platform_device *pdev = to_platform_device(device);
+ struct net_device *dev = dev_get_drvdata(device);
+ struct mvneta_port *pp = netdev_priv(dev);
+ int err;
+
+ clk_prepare_enable(pp->clk);
+ if (!IS_ERR(pp->clk_bus))
+ clk_prepare_enable(pp->clk_bus);
+ if (pp->dram_target_info || pp->neta_armada3700)
+ mvneta_conf_mbus_windows(pp, pp->dram_target_info);
+ if (pp->bm_priv) {
+ err = mvneta_bm_port_init(pdev, pp);
+ if (err < 0) {
+ dev_info(&pdev->dev, "use SW buffer management\n");
+ pp->bm_priv = NULL;
+ }
+ }
+ mvneta_defaults_set(pp);
+ err = mvneta_port_power_up(pp, pp->phy_interface);
+ if (err < 0) {
+ dev_err(device, "can't power up port\n");
+ return err;
+ }
+
+ if (pp->use_inband_status)
+ mvneta_fixed_link_update(pp, dev->phydev);
+
+ netif_device_attach(dev);
+ if (netif_running(dev)) {
+ mvneta_open(dev);
+ mvneta_set_rx_mode(dev);
+ }
+
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(mvneta_pm_ops, mvneta_suspend, mvneta_resume);
+
static const struct of_device_id mvneta_match[] = {
{ .compatible = "marvell,armada-370-neta" },
{ .compatible = "marvell,armada-xp-neta" },
@@ -4419,6 +4487,7 @@ static struct platform_driver mvneta_driver = {
.driver = {
.name = MVNETA_DRIVER_NAME,
.of_match_table = mvneta_match,
+ .pm = &mvneta_pm_ops,
},
};
diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c
index d00421b9ffea..9b875d776b29 100644
--- a/drivers/net/ethernet/marvell/mvpp2.c
+++ b/drivers/net/ethernet/marvell/mvpp2.c
@@ -25,6 +25,7 @@
#include <linux/of_mdio.h>
#include <linux/of_net.h>
#include <linux/of_address.h>
+#include <linux/of_device.h>
#include <linux/phy.h>
#include <linux/clk.h>
#include <linux/hrtimer.h>
@@ -49,9 +50,11 @@
#define MVPP2_SNOOP_PKT_SIZE_MASK 0x1ff
#define MVPP2_SNOOP_BUF_HDR_MASK BIT(9)
#define MVPP2_RXQ_POOL_SHORT_OFFS 20
-#define MVPP2_RXQ_POOL_SHORT_MASK 0x700000
+#define MVPP21_RXQ_POOL_SHORT_MASK 0x700000
+#define MVPP22_RXQ_POOL_SHORT_MASK 0xf00000
#define MVPP2_RXQ_POOL_LONG_OFFS 24
-#define MVPP2_RXQ_POOL_LONG_MASK 0x7000000
+#define MVPP21_RXQ_POOL_LONG_MASK 0x7000000
+#define MVPP22_RXQ_POOL_LONG_MASK 0xf000000
#define MVPP2_RXQ_PACKET_OFFSET_OFFS 28
#define MVPP2_RXQ_PACKET_OFFSET_MASK 0x70000000
#define MVPP2_RXQ_DISABLE_MASK BIT(31)
@@ -99,6 +102,7 @@
/* Descriptor Manager Top Registers */
#define MVPP2_RXQ_NUM_REG 0x2040
#define MVPP2_RXQ_DESC_ADDR_REG 0x2044
+#define MVPP22_DESC_ADDR_OFFS 8
#define MVPP2_RXQ_DESC_SIZE_REG 0x2048
#define MVPP2_RXQ_DESC_SIZE_MASK 0x3ff0
#define MVPP2_RXQ_STATUS_UPDATE_REG(rxq) (0x3000 + 4 * (rxq))
@@ -117,9 +121,6 @@
#define MVPP2_TXQ_DESC_SIZE_REG 0x2088
#define MVPP2_TXQ_DESC_SIZE_MASK 0x3ff0
#define MVPP2_AGGR_TXQ_UPDATE_REG 0x2090
-#define MVPP2_TXQ_THRESH_REG 0x2094
-#define MVPP2_TRANSMITTED_THRESH_OFFSET 16
-#define MVPP2_TRANSMITTED_THRESH_MASK 0x3fff0000
#define MVPP2_TXQ_INDEX_REG 0x2098
#define MVPP2_TXQ_PREF_BUF_REG 0x209c
#define MVPP2_PREF_BUF_PTR(desc) ((desc) & 0xfff)
@@ -140,6 +141,7 @@
#define MVPP2_TXQ_RSVD_CLR_REG 0x20b8
#define MVPP2_TXQ_RSVD_CLR_OFFSET 16
#define MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu) (0x2100 + 4 * (cpu))
+#define MVPP22_AGGR_TXQ_DESC_ADDR_OFFS 8
#define MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu) (0x2140 + 4 * (cpu))
#define MVPP2_AGGR_TXQ_DESC_SIZE_MASK 0x3ff0
#define MVPP2_AGGR_TXQ_STATUS_REG(cpu) (0x2180 + 4 * (cpu))
@@ -152,10 +154,52 @@
#define MVPP2_WIN_REMAP(w) (0x4040 + ((w) << 2))
#define MVPP2_BASE_ADDR_ENABLE 0x4060
+/* AXI Bridge Registers */
+#define MVPP22_AXI_BM_WR_ATTR_REG 0x4100
+#define MVPP22_AXI_BM_RD_ATTR_REG 0x4104
+#define MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG 0x4110
+#define MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG 0x4114
+#define MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG 0x4118
+#define MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG 0x411c
+#define MVPP22_AXI_RX_DATA_WR_ATTR_REG 0x4120
+#define MVPP22_AXI_TX_DATA_RD_ATTR_REG 0x4130
+#define MVPP22_AXI_RD_NORMAL_CODE_REG 0x4150
+#define MVPP22_AXI_RD_SNOOP_CODE_REG 0x4154
+#define MVPP22_AXI_WR_NORMAL_CODE_REG 0x4160
+#define MVPP22_AXI_WR_SNOOP_CODE_REG 0x4164
+
+/* Values for AXI Bridge registers */
+#define MVPP22_AXI_ATTR_CACHE_OFFS 0
+#define MVPP22_AXI_ATTR_DOMAIN_OFFS 12
+
+#define MVPP22_AXI_CODE_CACHE_OFFS 0
+#define MVPP22_AXI_CODE_DOMAIN_OFFS 4
+
+#define MVPP22_AXI_CODE_CACHE_NON_CACHE 0x3
+#define MVPP22_AXI_CODE_CACHE_WR_CACHE 0x7
+#define MVPP22_AXI_CODE_CACHE_RD_CACHE 0xb
+
+#define MVPP22_AXI_CODE_DOMAIN_OUTER_DOM 2
+#define MVPP22_AXI_CODE_DOMAIN_SYSTEM 3
+
/* Interrupt Cause and Mask registers */
#define MVPP2_ISR_RX_THRESHOLD_REG(rxq) (0x5200 + 4 * (rxq))
#define MVPP2_MAX_ISR_RX_THRESHOLD 0xfffff0
-#define MVPP2_ISR_RXQ_GROUP_REG(rxq) (0x5400 + 4 * (rxq))
+#define MVPP21_ISR_RXQ_GROUP_REG(rxq) (0x5400 + 4 * (rxq))
+
+#define MVPP22_ISR_RXQ_GROUP_INDEX_REG 0x5400
+#define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
+#define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
+#define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET 7
+
+#define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
+#define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
+
+#define MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG 0x5404
+#define MVPP22_ISR_RXQ_SUB_GROUP_STARTQ_MASK 0x1f
+#define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_MASK 0xf00
+#define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET 8
+
#define MVPP2_ISR_ENABLE_REG(port) (0x5420 + 4 * (port))
#define MVPP2_ISR_ENABLE_INTERRUPT(mask) ((mask) & 0xffff)
#define MVPP2_ISR_DISABLE_INTERRUPT(mask) (((mask) << 16) & 0xffff0000)
@@ -210,14 +254,19 @@
#define MVPP2_BM_PHY_ALLOC_REG(pool) (0x6400 + ((pool) * 4))
#define MVPP2_BM_PHY_ALLOC_GRNTD_MASK BIT(0)
#define MVPP2_BM_VIRT_ALLOC_REG 0x6440
+#define MVPP22_BM_ADDR_HIGH_ALLOC 0x6444
+#define MVPP22_BM_ADDR_HIGH_PHYS_MASK 0xff
+#define MVPP22_BM_ADDR_HIGH_VIRT_MASK 0xff00
+#define MVPP22_BM_ADDR_HIGH_VIRT_SHIFT 8
#define MVPP2_BM_PHY_RLS_REG(pool) (0x6480 + ((pool) * 4))
#define MVPP2_BM_PHY_RLS_MC_BUFF_MASK BIT(0)
#define MVPP2_BM_PHY_RLS_PRIO_EN_MASK BIT(1)
#define MVPP2_BM_PHY_RLS_GRNTD_MASK BIT(2)
#define MVPP2_BM_VIRT_RLS_REG 0x64c0
-#define MVPP2_BM_MC_RLS_REG 0x64c4
-#define MVPP2_BM_MC_ID_MASK 0xfff
-#define MVPP2_BM_FORCE_RELEASE_MASK BIT(12)
+#define MVPP22_BM_ADDR_HIGH_RLS_REG 0x64c4
+#define MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK 0xff
+#define MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK 0xff00
+#define MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT 8
/* TX Scheduler registers */
#define MVPP2_TXP_SCHED_PORT_INDEX_REG 0x8000
@@ -287,6 +336,24 @@
#define MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK 0x1fc0
#define MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(v) (((v) << 6) & \
MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK)
+#define MVPP22_GMAC_CTRL_4_REG 0x90
+#define MVPP22_CTRL4_EXT_PIN_GMII_SEL BIT(0)
+#define MVPP22_CTRL4_DP_CLK_SEL BIT(5)
+#define MVPP22_CTRL4_SYNC_BYPASS BIT(6)
+#define MVPP22_CTRL4_QSGMII_BYPASS_ACTIVE BIT(7)
+
+/* Per-port XGMAC registers. PPv2.2 only, only for GOP port 0,
+ * relative to port->base.
+ */
+#define MVPP22_XLG_CTRL3_REG 0x11c
+#define MVPP22_XLG_CTRL3_MACMODESELECT_MASK (7 << 13)
+#define MVPP22_XLG_CTRL3_MACMODESELECT_GMAC (0 << 13)
+
+/* SMI registers. PPv2.2 only, relative to priv->iface_base. */
+#define MVPP22_SMI_MISC_CFG_REG 0x1204
+#define MVPP22_SMI_POLLING_EN BIT(10)
+
+#define MVPP22_GMAC_BASE(port) (0x7000 + (port) * 0x1000 + 0xe00)
#define MVPP2_CAUSE_TXQ_SENT_DESC_ALL_MASK 0xff
@@ -335,15 +402,9 @@
/* Maximum number of TXQs used by single port */
#define MVPP2_MAX_TXQ 8
-/* Maximum number of RXQs used by single port */
-#define MVPP2_MAX_RXQ 8
-
/* Dfault number of RXQs in use */
#define MVPP2_DEFAULT_RXQ 4
-/* Total number of RXQs available to all ports */
-#define MVPP2_RXQ_TOTAL_NUM (MVPP2_MAX_PORTS * MVPP2_MAX_RXQ)
-
/* Max number of Rx descriptors */
#define MVPP2_MAX_RXD 128
@@ -615,6 +676,11 @@ enum mvpp2_prs_l3_cast {
*/
#define MVPP2_BM_SHORT_PKT_SIZE MVPP2_RX_MAX_PKT_SIZE(512)
+#define MVPP21_ADDR_SPACE_SZ 0
+#define MVPP22_ADDR_SPACE_SZ SZ_64K
+
+#define MVPP2_MAX_CPUS 4
+
enum mvpp2_bm_type {
MVPP2_BM_FREE,
MVPP2_BM_SWF_LONG,
@@ -626,12 +692,19 @@ enum mvpp2_bm_type {
/* Shared Packet Processor resources */
struct mvpp2 {
/* Shared registers' base addresses */
- void __iomem *base;
void __iomem *lms_base;
+ void __iomem *iface_base;
+
+ /* On PPv2.2, each CPU can access the base register through a
+ * separate address space, each 64 KB apart from each
+ * other.
+ */
+ void __iomem *cpu_base[MVPP2_MAX_CPUS];
/* Common clocks */
struct clk *pp_clk;
struct clk *gop_clk;
+ struct clk *mg_clk;
/* List of pointers to port structures */
struct mvpp2_port **port_list;
@@ -649,6 +722,12 @@ struct mvpp2 {
/* Tclk value */
u32 tclk;
+
+ /* HW version */
+ enum { MVPP21, MVPP22 } hw_version;
+
+ /* Maximum number of RXQs per port */
+ unsigned int max_port_rxqs;
};
struct mvpp2_pcpu_stats {
@@ -670,6 +749,11 @@ struct mvpp2_port_pcpu {
struct mvpp2_port {
u8 id;
+ /* Index of the port from the "group of ports" complex point
+ * of view
+ */
+ int gop_id;
+
int irq;
struct mvpp2 *priv;
@@ -741,22 +825,24 @@ struct mvpp2_port {
#define MVPP2_RXD_L3_IP6 BIT(30)
#define MVPP2_RXD_BUF_HDR BIT(31)
-struct mvpp2_tx_desc {
+/* HW TX descriptor for PPv2.1 */
+struct mvpp21_tx_desc {
u32 command; /* Options used by HW for packet transmitting.*/
u8 packet_offset; /* the offset from the buffer beginning */
u8 phys_txq; /* destination queue ID */
u16 data_size; /* data size of transmitted packet in bytes */
- u32 buf_phys_addr; /* physical addr of transmitted buffer */
+ u32 buf_dma_addr; /* physical addr of transmitted buffer */
u32 buf_cookie; /* cookie for access to TX buffer in tx path */
u32 reserved1[3]; /* hw_cmd (for future use, BM, PON, PNC) */
u32 reserved2; /* reserved (for future use) */
};
-struct mvpp2_rx_desc {
+/* HW RX descriptor for PPv2.1 */
+struct mvpp21_rx_desc {
u32 status; /* info about received packet */
u16 reserved1; /* parser_info (for future use, PnC) */
u16 data_size; /* size of received packet in bytes */
- u32 buf_phys_addr; /* physical address of the buffer */
+ u32 buf_dma_addr; /* physical address of the buffer */
u32 buf_cookie; /* cookie for access to RX buffer in rx path */
u16 reserved2; /* gem_port_id (for future use, PON) */
u16 reserved3; /* csum_l4 (for future use, PnC) */
@@ -767,12 +853,51 @@ struct mvpp2_rx_desc {
u32 reserved8;
};
+/* HW TX descriptor for PPv2.2 */
+struct mvpp22_tx_desc {
+ u32 command;
+ u8 packet_offset;
+ u8 phys_txq;
+ u16 data_size;
+ u64 reserved1;
+ u64 buf_dma_addr_ptp;
+ u64 buf_cookie_misc;
+};
+
+/* HW RX descriptor for PPv2.2 */
+struct mvpp22_rx_desc {
+ u32 status;
+ u16 reserved1;
+ u16 data_size;
+ u32 reserved2;
+ u32 reserved3;
+ u64 buf_dma_addr_key_hash;
+ u64 buf_cookie_misc;
+};
+
+/* Opaque type used by the driver to manipulate the HW TX and RX
+ * descriptors
+ */
+struct mvpp2_tx_desc {
+ union {
+ struct mvpp21_tx_desc pp21;
+ struct mvpp22_tx_desc pp22;
+ };
+};
+
+struct mvpp2_rx_desc {
+ union {
+ struct mvpp21_rx_desc pp21;
+ struct mvpp22_rx_desc pp22;
+ };
+};
+
struct mvpp2_txq_pcpu_buf {
/* Transmitted SKB */
struct sk_buff *skb;
/* Physical address of transmitted buffer */
- dma_addr_t phys;
+ dma_addr_t dma;
/* Size transmitted */
size_t size;
@@ -825,7 +950,7 @@ struct mvpp2_tx_queue {
struct mvpp2_tx_desc *descs;
/* DMA address of the Tx DMA descriptors array */
- dma_addr_t descs_phys;
+ dma_addr_t descs_dma;
/* Index of the last Tx DMA descriptor */
int last_desc;
@@ -848,7 +973,7 @@ struct mvpp2_rx_queue {
struct mvpp2_rx_desc *descs;
/* DMA address of the RX DMA descriptors array */
- dma_addr_t descs_phys;
+ dma_addr_t descs_dma;
/* Index of the last RX DMA descriptor */
int last_desc;
@@ -912,6 +1037,8 @@ struct mvpp2_bm_pool {
/* Buffer Pointers Pool External (BPPE) size */
int size;
+ /* BPPE size in bytes */
+ int size_bytes;
/* Number of buffers for this pool */
int buf_num;
/* Pool buffer size */
@@ -922,29 +1049,13 @@ struct mvpp2_bm_pool {
/* BPPE virtual base address */
u32 *virt_addr;
- /* BPPE physical base address */
- dma_addr_t phys_addr;
+ /* BPPE DMA base address */
+ dma_addr_t dma_addr;
/* Ports using BM pool */
u32 port_map;
};
-struct mvpp2_buff_hdr {
- u32 next_buff_phys_addr;
- u32 next_buff_virt_addr;
- u16 byte_count;
- u16 info;
- u8 reserved1; /* bm_qset (for future use, BM) */
-};
-
-/* Buffer header info bits */
-#define MVPP2_B_HDR_INFO_MC_ID_MASK 0xfff
-#define MVPP2_B_HDR_INFO_MC_ID(info) ((info) & MVPP2_B_HDR_INFO_MC_ID_MASK)
-#define MVPP2_B_HDR_INFO_LAST_OFFS 12
-#define MVPP2_B_HDR_INFO_LAST_MASK BIT(12)
-#define MVPP2_B_HDR_INFO_IS_LAST(info) \
- ((info & MVPP2_B_HDR_INFO_LAST_MASK) >> MVPP2_B_HDR_INFO_LAST_OFFS)
-
/* Static declaractions */
/* Number of RXQs used by single port */
@@ -959,12 +1070,177 @@ static int txq_number = MVPP2_MAX_TXQ;
static void mvpp2_write(struct mvpp2 *priv, u32 offset, u32 data)
{
- writel(data, priv->base + offset);
+ writel(data, priv->cpu_base[0] + offset);
}
static u32 mvpp2_read(struct mvpp2 *priv, u32 offset)
{
- return readl(priv->base + offset);
+ return readl(priv->cpu_base[0] + offset);
+}
+
+/* These accessors should be used to access:
+ *
+ * - per-CPU registers, where each CPU has its own copy of the
+ * register.
+ *
+ * MVPP2_BM_VIRT_ALLOC_REG
+ * MVPP2_BM_ADDR_HIGH_ALLOC
+ * MVPP22_BM_ADDR_HIGH_RLS_REG
+ * MVPP2_BM_VIRT_RLS_REG
+ * MVPP2_ISR_RX_TX_CAUSE_REG
+ * MVPP2_ISR_RX_TX_MASK_REG
+ * MVPP2_TXQ_NUM_REG
+ * MVPP2_AGGR_TXQ_UPDATE_REG
+ * MVPP2_TXQ_RSVD_REQ_REG
+ * MVPP2_TXQ_RSVD_RSLT_REG
+ * MVPP2_TXQ_SENT_REG
+ * MVPP2_RXQ_NUM_REG
+ *
+ * - global registers that must be accessed through a specific CPU
+ * window, because they are related to an access to a per-CPU
+ * register
+ *
+ * MVPP2_BM_PHY_ALLOC_REG (related to MVPP2_BM_VIRT_ALLOC_REG)
+ * MVPP2_BM_PHY_RLS_REG (related to MVPP2_BM_VIRT_RLS_REG)
+ * MVPP2_RXQ_THRESH_REG (related to MVPP2_RXQ_NUM_REG)
+ * MVPP2_RXQ_DESC_ADDR_REG (related to MVPP2_RXQ_NUM_REG)
+ * MVPP2_RXQ_DESC_SIZE_REG (related to MVPP2_RXQ_NUM_REG)
+ * MVPP2_RXQ_INDEX_REG (related to MVPP2_RXQ_NUM_REG)
+ * MVPP2_TXQ_PENDING_REG (related to MVPP2_TXQ_NUM_REG)
+ * MVPP2_TXQ_DESC_ADDR_REG (related to MVPP2_TXQ_NUM_REG)
+ * MVPP2_TXQ_DESC_SIZE_REG (related to MVPP2_TXQ_NUM_REG)
+ * MVPP2_TXQ_INDEX_REG (related to MVPP2_TXQ_NUM_REG)
+ * MVPP2_TXQ_PENDING_REG (related to MVPP2_TXQ_NUM_REG)
+ * MVPP2_TXQ_PREF_BUF_REG (related to MVPP2_TXQ_NUM_REG)
+ * MVPP2_TXQ_PREF_BUF_REG (related to MVPP2_TXQ_NUM_REG)
+ */
+static void mvpp2_percpu_write(struct mvpp2 *priv, int cpu,
+ u32 offset, u32 data)
+{
+ writel(data, priv->cpu_base[cpu] + offset);
+}
+
+static u32 mvpp2_percpu_read(struct mvpp2 *priv, int cpu,
+ u32 offset)
+{
+ return readl(priv->cpu_base[cpu] + offset);
+}
+
+static dma_addr_t mvpp2_txdesc_dma_addr_get(struct mvpp2_port *port,
+ struct mvpp2_tx_desc *tx_desc)
+{
+ if (port->priv->hw_version == MVPP21)
+ return tx_desc->pp21.buf_dma_addr;
+ else
+ return tx_desc->pp22.buf_dma_addr_ptp & GENMASK_ULL(40, 0);
+}
+
+static void mvpp2_txdesc_dma_addr_set(struct mvpp2_port *port,
+ struct mvpp2_tx_desc *tx_desc,
+ dma_addr_t dma_addr)
+{
+ if (port->priv->hw_version == MVPP21) {
+ tx_desc->pp21.buf_dma_addr = dma_addr;
+ } else {
+ u64 val = (u64)dma_addr;
+
+ tx_desc->pp22.buf_dma_addr_ptp &= ~GENMASK_ULL(40, 0);
+ tx_desc->pp22.buf_dma_addr_ptp |= val;
+ }
+}
+
+static size_t mvpp2_txdesc_size_get(struct mvpp2_port *port,
+ struct mvpp2_tx_desc *tx_desc)
+{
+ if (port->priv->hw_version == MVPP21)
+ return tx_desc->pp21.data_size;
+ else
+ return tx_desc->pp22.data_size;
+}
+
+static void mvpp2_txdesc_size_set(struct mvpp2_port *port,
+ struct mvpp2_tx_desc *tx_desc,
+ size_t size)
+{
+ if (port->priv->hw_version == MVPP21)
+ tx_desc->pp21.data_size = size;
+ else
+ tx_desc->pp22.data_size = size;
+}
+
+static void mvpp2_txdesc_txq_set(struct mvpp2_port *port,
+ struct mvpp2_tx_desc *tx_desc,
+ unsigned int txq)
+{
+ if (port->priv->hw_version == MVPP21)
+ tx_desc->pp21.phys_txq = txq;
+ else
+ tx_desc->pp22.phys_txq = txq;
+}
+
+static void mvpp2_txdesc_cmd_set(struct mvpp2_port *port,
+ struct mvpp2_tx_desc *tx_desc,
+ unsigned int command)
+{
+ if (port->priv->hw_version == MVPP21)
+ tx_desc->pp21.command = command;
+ else
+ tx_desc->pp22.command = command;
+}
+
+static void mvpp2_txdesc_offset_set(struct mvpp2_port *port,
+ struct mvpp2_tx_desc *tx_desc,
+ unsigned int offset)
+{
+ if (port->priv->hw_version == MVPP21)
+ tx_desc->pp21.packet_offset = offset;
+ else
+ tx_desc->pp22.packet_offset = offset;
+}
+
+static unsigned int mvpp2_txdesc_offset_get(struct mvpp2_port *port,
+ struct mvpp2_tx_desc *tx_desc)
+{
+ if (port->priv->hw_version == MVPP21)
+ return tx_desc->pp21.packet_offset;
+ else
+ return tx_desc->pp22.packet_offset;
+}
+
+static dma_addr_t mvpp2_rxdesc_dma_addr_get(struct mvpp2_port *port,
+ struct mvpp2_rx_desc *rx_desc)
+{
+ if (port->priv->hw_version == MVPP21)
+ return rx_desc->pp21.buf_dma_addr;
+ else
+ return rx_desc->pp22.buf_dma_addr_key_hash & GENMASK_ULL(40, 0);
+}
+
+static unsigned long mvpp2_rxdesc_cookie_get(struct mvpp2_port *port,
+ struct mvpp2_rx_desc *rx_desc)
+{
+ if (port->priv->hw_version == MVPP21)
+ return rx_desc->pp21.buf_cookie;
+ else
+ return rx_desc->pp22.buf_cookie_misc & GENMASK_ULL(40, 0);
+}
+
+static size_t mvpp2_rxdesc_size_get(struct mvpp2_port *port,
+ struct mvpp2_rx_desc *rx_desc)
+{
+ if (port->priv->hw_version == MVPP21)
+ return rx_desc->pp21.data_size;
+ else
+ return rx_desc->pp22.data_size;
+}
+
+static u32 mvpp2_rxdesc_status_get(struct mvpp2_port *port,
+ struct mvpp2_rx_desc *rx_desc)
+{
+ if (port->priv->hw_version == MVPP21)
+ return rx_desc->pp21.status;
+ else
+ return rx_desc->pp22.status;
}
static void mvpp2_txq_inc_get(struct mvpp2_txq_pcpu *txq_pcpu)
@@ -974,15 +1250,17 @@ static void mvpp2_txq_inc_get(struct mvpp2_txq_pcpu *txq_pcpu)
txq_pcpu->txq_get_index = 0;
}
-static void mvpp2_txq_inc_put(struct mvpp2_txq_pcpu *txq_pcpu,
+static void mvpp2_txq_inc_put(struct mvpp2_port *port,
+ struct mvpp2_txq_pcpu *txq_pcpu,
struct sk_buff *skb,
struct mvpp2_tx_desc *tx_desc)
{
struct mvpp2_txq_pcpu_buf *tx_buf =
txq_pcpu->buffs + txq_pcpu->txq_put_index;
tx_buf->skb = skb;
- tx_buf->size = tx_desc->data_size;
- tx_buf->phys = tx_desc->buf_phys_addr + tx_desc->packet_offset;
+ tx_buf->size = mvpp2_txdesc_size_get(port, tx_desc);
+ tx_buf->dma = mvpp2_txdesc_dma_addr_get(port, tx_desc) +
+ mvpp2_txdesc_offset_get(port, tx_desc);
txq_pcpu->txq_put_index++;
if (txq_pcpu->txq_put_index == txq_pcpu->size)
txq_pcpu->txq_put_index = 0;
@@ -1411,7 +1689,7 @@ static void mvpp2_prs_mac_drop_all_set(struct mvpp2 *priv, int port, bool add)
mvpp2_prs_hw_read(priv, &pe);
} else {
/* Entry doesn't exist - create new */
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
pe.index = MVPP2_PE_DROP_ALL;
@@ -1448,7 +1726,7 @@ static void mvpp2_prs_mac_promisc_set(struct mvpp2 *priv, int port, bool add)
mvpp2_prs_hw_read(priv, &pe);
} else {
/* Entry doesn't exist - create new */
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
pe.index = MVPP2_PE_MAC_PROMISCUOUS;
@@ -1494,7 +1772,7 @@ static void mvpp2_prs_mac_multi_set(struct mvpp2 *priv, int port, int index,
mvpp2_prs_hw_read(priv, &pe);
} else {
/* Entry doesn't exist - create new */
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
pe.index = index;
@@ -1546,7 +1824,7 @@ static void mvpp2_prs_dsa_tag_set(struct mvpp2 *priv, int port, bool add,
mvpp2_prs_hw_read(priv, &pe);
} else {
/* Entry doesn't exist - create new */
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_DSA);
pe.index = tid;
@@ -1609,7 +1887,7 @@ static void mvpp2_prs_dsa_tag_ethertype_set(struct mvpp2 *priv, int port,
mvpp2_prs_hw_read(priv, &pe);
} else {
/* Entry doesn't exist - create new */
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_DSA);
pe.index = tid;
@@ -1743,10 +2021,10 @@ static int mvpp2_prs_vlan_add(struct mvpp2 *priv, unsigned short tpid, int ai,
if (tid <= tid_aux) {
ret = -EINVAL;
- goto error;
+ goto free_pe;
}
- memset(pe, 0 , sizeof(struct mvpp2_prs_entry));
+ memset(pe, 0, sizeof(*pe));
mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_VLAN);
pe->index = tid;
@@ -1775,8 +2053,7 @@ static int mvpp2_prs_vlan_add(struct mvpp2 *priv, unsigned short tpid, int ai,
mvpp2_prs_tcam_port_map_set(pe, port_map);
mvpp2_prs_hw_write(priv, pe);
-
-error:
+free_pe:
kfree(pe);
return ret;
@@ -1861,7 +2138,7 @@ static int mvpp2_prs_double_vlan_add(struct mvpp2 *priv, unsigned short tpid1,
ai = mvpp2_prs_double_vlan_ai_free_get(priv);
if (ai < 0) {
ret = ai;
- goto error;
+ goto free_pe;
}
/* Get first single/triple vlan tid */
@@ -1884,10 +2161,10 @@ static int mvpp2_prs_double_vlan_add(struct mvpp2 *priv, unsigned short tpid1,
if (tid >= tid_aux) {
ret = -ERANGE;
- goto error;
+ goto free_pe;
}
- memset(pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(pe, 0, sizeof(*pe));
mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_VLAN);
pe->index = tid;
@@ -1911,8 +2188,7 @@ static int mvpp2_prs_double_vlan_add(struct mvpp2 *priv, unsigned short tpid1,
/* Update ports' mask */
mvpp2_prs_tcam_port_map_set(pe, port_map);
mvpp2_prs_hw_write(priv, pe);
-
-error:
+free_pe:
kfree(pe);
return ret;
}
@@ -1934,7 +2210,7 @@ static int mvpp2_prs_ip4_proto(struct mvpp2 *priv, unsigned short proto,
if (tid < 0)
return tid;
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_IP4);
pe.index = tid;
@@ -1992,7 +2268,7 @@ static int mvpp2_prs_ip4_cast(struct mvpp2 *priv, unsigned short l3_cast)
if (tid < 0)
return tid;
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_IP4);
pe.index = tid;
@@ -2048,7 +2324,7 @@ static int mvpp2_prs_ip6_proto(struct mvpp2 *priv, unsigned short proto,
if (tid < 0)
return tid;
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_IP6);
pe.index = tid;
@@ -2087,7 +2363,7 @@ static int mvpp2_prs_ip6_cast(struct mvpp2 *priv, unsigned short l3_cast)
if (tid < 0)
return tid;
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_IP6);
pe.index = tid;
@@ -2147,7 +2423,7 @@ static void mvpp2_prs_def_flow_init(struct mvpp2 *priv)
int port;
for (port = 0; port < MVPP2_MAX_PORTS; port++) {
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
pe.index = MVPP2_PE_FIRST_DEFAULT_FLOW - port;
@@ -2169,7 +2445,7 @@ static void mvpp2_prs_mh_init(struct mvpp2 *priv)
{
struct mvpp2_prs_entry pe;
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
pe.index = MVPP2_PE_MH_DEFAULT;
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MH);
@@ -2192,7 +2468,7 @@ static void mvpp2_prs_mac_init(struct mvpp2 *priv)
{
struct mvpp2_prs_entry pe;
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
/* Non-promiscuous mode for all ports - DROP unknown packets */
pe.index = MVPP2_PE_MAC_NON_PROMISCUOUS;
@@ -2253,7 +2529,7 @@ static void mvpp2_prs_dsa_init(struct mvpp2 *priv)
MVPP2_PRS_TAGGED, MVPP2_PRS_DSA);
/* Set default entry, in case DSA or EDSA tag not found */
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_DSA);
pe.index = MVPP2_PE_DSA_DEFAULT;
mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_VLAN);
@@ -2283,7 +2559,7 @@ static int mvpp2_prs_etype_init(struct mvpp2 *priv)
if (tid < 0)
return tid;
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
pe.index = tid;
@@ -2309,7 +2585,7 @@ static int mvpp2_prs_etype_init(struct mvpp2 *priv)
if (tid < 0)
return tid;
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
pe.index = tid;
@@ -2339,7 +2615,7 @@ static int mvpp2_prs_etype_init(struct mvpp2 *priv)
if (tid < 0)
return tid;
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
pe.index = tid;
@@ -2373,7 +2649,7 @@ static int mvpp2_prs_etype_init(struct mvpp2 *priv)
if (tid < 0)
return tid;
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
pe.index = tid;
@@ -2438,7 +2714,7 @@ static int mvpp2_prs_etype_init(struct mvpp2 *priv)
if (tid < 0)
return tid;
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_L2);
pe.index = tid;
@@ -2535,7 +2811,7 @@ static int mvpp2_prs_vlan_init(struct platform_device *pdev, struct mvpp2 *priv)
return err;
/* Set default double vlan entry */
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_VLAN);
pe.index = MVPP2_PE_VLAN_DBL;
@@ -2555,7 +2831,7 @@ static int mvpp2_prs_vlan_init(struct platform_device *pdev, struct mvpp2 *priv)
mvpp2_prs_hw_write(priv, &pe);
/* Set default vlan none entry */
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_VLAN);
pe.index = MVPP2_PE_VLAN_NONE;
@@ -2585,7 +2861,7 @@ static int mvpp2_prs_pppoe_init(struct mvpp2 *priv)
if (tid < 0)
return tid;
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_PPPOE);
pe.index = tid;
@@ -2635,7 +2911,7 @@ static int mvpp2_prs_pppoe_init(struct mvpp2 *priv)
if (tid < 0)
return tid;
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_PPPOE);
pe.index = tid;
@@ -2662,7 +2938,7 @@ static int mvpp2_prs_pppoe_init(struct mvpp2 *priv)
if (tid < 0)
return tid;
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_PPPOE);
pe.index = tid;
@@ -2720,7 +2996,7 @@ static int mvpp2_prs_ip4_init(struct mvpp2 *priv)
return err;
/* Default IPv4 entry for unknown protocols */
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_IP4);
pe.index = MVPP2_PE_IP4_PROTO_UN;
@@ -2745,7 +3021,7 @@ static int mvpp2_prs_ip4_init(struct mvpp2 *priv)
mvpp2_prs_hw_write(priv, &pe);
/* Default IPv4 entry for unicast address */
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_IP4);
pe.index = MVPP2_PE_IP4_ADDR_UN;
@@ -2813,7 +3089,7 @@ static int mvpp2_prs_ip6_init(struct mvpp2 *priv)
if (tid < 0)
return tid;
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_IP6);
pe.index = tid;
@@ -2834,7 +3110,7 @@ static int mvpp2_prs_ip6_init(struct mvpp2 *priv)
mvpp2_prs_hw_write(priv, &pe);
/* Default IPv6 entry for unknown protocols */
- memset(&pe, 0, sizeof(struct mvpp2_prs_entry));
+ memset(&pe, 0, sizeof(pe));
mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_IP6);
pe.index = MVPP2_PE_IP6_PROTO_UN;
@@ -2927,7 +3203,7 @@ static int mvpp2_prs_default_init(struct platform_device *pdev,
mvpp2_prs_hw_inv(priv, index);
priv->prs_shadow = devm_kcalloc(&pdev->dev, MVPP2_PRS_TCAM_SRAM_SIZE,
- sizeof(struct mvpp2_prs_shadow),
+ sizeof(*priv->prs_shadow),
GFP_KERNEL);
if (!priv->prs_shadow)
return -ENOMEM;
@@ -3378,27 +3654,39 @@ static int mvpp2_bm_pool_create(struct platform_device *pdev,
struct mvpp2 *priv,
struct mvpp2_bm_pool *bm_pool, int size)
{
- int size_bytes;
u32 val;
- size_bytes = sizeof(u32) * size;
- bm_pool->virt_addr = dma_alloc_coherent(&pdev->dev, size_bytes,
- &bm_pool->phys_addr,
+ /* Number of buffer pointers must be a multiple of 16, as per
+ * hardware constraints
+ */
+ if (!IS_ALIGNED(size, 16))
+ return -EINVAL;
+
+ /* PPv2.1 needs 8 bytes per buffer pointer, PPv2.2 needs 16
+ * bytes per buffer pointer
+ */
+ if (priv->hw_version == MVPP21)
+ bm_pool->size_bytes = 2 * sizeof(u32) * size;
+ else
+ bm_pool->size_bytes = 2 * sizeof(u64) * size;
+
+ bm_pool->virt_addr = dma_alloc_coherent(&pdev->dev, bm_pool->size_bytes,
+ &bm_pool->dma_addr,
GFP_KERNEL);
if (!bm_pool->virt_addr)
return -ENOMEM;
if (!IS_ALIGNED((unsigned long)bm_pool->virt_addr,
MVPP2_BM_POOL_PTR_ALIGN)) {
- dma_free_coherent(&pdev->dev, size_bytes, bm_pool->virt_addr,
- bm_pool->phys_addr);
+ dma_free_coherent(&pdev->dev, bm_pool->size_bytes,
+ bm_pool->virt_addr, bm_pool->dma_addr);
dev_err(&pdev->dev, "BM pool %d is not %d bytes aligned\n",
bm_pool->id, MVPP2_BM_POOL_PTR_ALIGN);
return -ENOMEM;
}
mvpp2_write(priv, MVPP2_BM_POOL_BASE_REG(bm_pool->id),
- bm_pool->phys_addr);
+ lower_32_bits(bm_pool->dma_addr));
mvpp2_write(priv, MVPP2_BM_POOL_SIZE_REG(bm_pool->id), size);
val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
@@ -3426,6 +3714,34 @@ static void mvpp2_bm_pool_bufsize_set(struct mvpp2 *priv,
mvpp2_write(priv, MVPP2_POOL_BUF_SIZE_REG(bm_pool->id), val);
}
+static void mvpp2_bm_bufs_get_addrs(struct device *dev, struct mvpp2 *priv,
+ struct mvpp2_bm_pool *bm_pool,
+ dma_addr_t *dma_addr,
+ phys_addr_t *phys_addr)
+{
+ int cpu = smp_processor_id();
+
+ *dma_addr = mvpp2_percpu_read(priv, cpu,
+ MVPP2_BM_PHY_ALLOC_REG(bm_pool->id));
+ *phys_addr = mvpp2_percpu_read(priv, cpu, MVPP2_BM_VIRT_ALLOC_REG);
+
+ if (priv->hw_version == MVPP22) {
+ u32 val;
+ u32 dma_addr_highbits, phys_addr_highbits;
+
+ val = mvpp2_percpu_read(priv, cpu, MVPP22_BM_ADDR_HIGH_ALLOC);
+ dma_addr_highbits = (val & MVPP22_BM_ADDR_HIGH_PHYS_MASK);
+ phys_addr_highbits = (val & MVPP22_BM_ADDR_HIGH_VIRT_MASK) >>
+ MVPP22_BM_ADDR_HIGH_VIRT_SHIFT;
+
+ if (sizeof(dma_addr_t) == 8)
+ *dma_addr |= (u64)dma_addr_highbits << 32;
+
+ if (sizeof(phys_addr_t) == 8)
+ *phys_addr |= (u64)phys_addr_highbits << 32;
+ }
+}
+
/* Free all buffers from the pool */
static void mvpp2_bm_bufs_free(struct device *dev, struct mvpp2 *priv,
struct mvpp2_bm_pool *bm_pool)
@@ -3433,21 +3749,21 @@ static void mvpp2_bm_bufs_free(struct device *dev, struct mvpp2 *priv,
int i;
for (i = 0; i < bm_pool->buf_num; i++) {
- dma_addr_t buf_phys_addr;
- unsigned long vaddr;
+ dma_addr_t buf_dma_addr;
+ phys_addr_t buf_phys_addr;
+ void *data;
- /* Get buffer virtual address (indirect access) */
- buf_phys_addr = mvpp2_read(priv,
- MVPP2_BM_PHY_ALLOC_REG(bm_pool->id));
- vaddr = mvpp2_read(priv, MVPP2_BM_VIRT_ALLOC_REG);
+ mvpp2_bm_bufs_get_addrs(dev, priv, bm_pool,
+ &buf_dma_addr, &buf_phys_addr);
- dma_unmap_single(dev, buf_phys_addr,
+ dma_unmap_single(dev, buf_dma_addr,
bm_pool->buf_size, DMA_FROM_DEVICE);
- if (!vaddr)
+ data = (void *)phys_to_virt(buf_phys_addr);
+ if (!data)
break;
- mvpp2_frag_free(bm_pool, (void *)vaddr);
+ mvpp2_frag_free(bm_pool, data);
}
/* Update BM driver with number of buffers removed from pool */
@@ -3471,9 +3787,9 @@ static int mvpp2_bm_pool_destroy(struct platform_device *pdev,
val |= MVPP2_BM_STOP_MASK;
mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val);
- dma_free_coherent(&pdev->dev, sizeof(u32) * bm_pool->size,
+ dma_free_coherent(&pdev->dev, bm_pool->size_bytes,
bm_pool->virt_addr,
- bm_pool->phys_addr);
+ bm_pool->dma_addr);
return 0;
}
@@ -3515,7 +3831,7 @@ static int mvpp2_bm_init(struct platform_device *pdev, struct mvpp2 *priv)
/* Allocate and initialize BM pools */
priv->bm_pools = devm_kcalloc(&pdev->dev, MVPP2_BM_POOLS_NUM,
- sizeof(struct mvpp2_bm_pool), GFP_KERNEL);
+ sizeof(*priv->bm_pools), GFP_KERNEL);
if (!priv->bm_pools)
return -ENOMEM;
@@ -3529,17 +3845,20 @@ static int mvpp2_bm_init(struct platform_device *pdev, struct mvpp2 *priv)
static void mvpp2_rxq_long_pool_set(struct mvpp2_port *port,
int lrxq, int long_pool)
{
- u32 val;
+ u32 val, mask;
int prxq;
/* Get queue physical ID */
prxq = port->rxqs[lrxq]->id;
- val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
- val &= ~MVPP2_RXQ_POOL_LONG_MASK;
- val |= ((long_pool << MVPP2_RXQ_POOL_LONG_OFFS) &
- MVPP2_RXQ_POOL_LONG_MASK);
+ if (port->priv->hw_version == MVPP21)
+ mask = MVPP21_RXQ_POOL_LONG_MASK;
+ else
+ mask = MVPP22_RXQ_POOL_LONG_MASK;
+ val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
+ val &= ~mask;
+ val |= (long_pool << MVPP2_RXQ_POOL_LONG_OFFS) & mask;
mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
}
@@ -3547,40 +3866,45 @@ static void mvpp2_rxq_long_pool_set(struct mvpp2_port *port,
static void mvpp2_rxq_short_pool_set(struct mvpp2_port *port,
int lrxq, int short_pool)
{
- u32 val;
+ u32 val, mask;
int prxq;
/* Get queue physical ID */
prxq = port->rxqs[lrxq]->id;
- val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
- val &= ~MVPP2_RXQ_POOL_SHORT_MASK;
- val |= ((short_pool << MVPP2_RXQ_POOL_SHORT_OFFS) &
- MVPP2_RXQ_POOL_SHORT_MASK);
+ if (port->priv->hw_version == MVPP21)
+ mask = MVPP21_RXQ_POOL_SHORT_MASK;
+ else
+ mask = MVPP22_RXQ_POOL_SHORT_MASK;
+ val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
+ val &= ~mask;
+ val |= (short_pool << MVPP2_RXQ_POOL_SHORT_OFFS) & mask;
mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
}
static void *mvpp2_buf_alloc(struct mvpp2_port *port,
struct mvpp2_bm_pool *bm_pool,
- dma_addr_t *buf_phys_addr,
+ dma_addr_t *buf_dma_addr,
+ phys_addr_t *buf_phys_addr,
gfp_t gfp_mask)
{
- dma_addr_t phys_addr;
+ dma_addr_t dma_addr;
void *data;
data = mvpp2_frag_alloc(bm_pool);
if (!data)
return NULL;
- phys_addr = dma_map_single(port->dev->dev.parent, data,
- MVPP2_RX_BUF_SIZE(bm_pool->pkt_size),
- DMA_FROM_DEVICE);
- if (unlikely(dma_mapping_error(port->dev->dev.parent, phys_addr))) {
+ dma_addr = dma_map_single(port->dev->dev.parent, data,
+ MVPP2_RX_BUF_SIZE(bm_pool->pkt_size),
+ DMA_FROM_DEVICE);
+ if (unlikely(dma_mapping_error(port->dev->dev.parent, dma_addr))) {
mvpp2_frag_free(bm_pool, data);
return NULL;
}
- *buf_phys_addr = phys_addr;
+ *buf_dma_addr = dma_addr;
+ *buf_phys_addr = virt_to_phys(data);
return data;
}
@@ -3604,37 +3928,46 @@ static inline int mvpp2_bm_cookie_pool_get(unsigned long cookie)
/* Release buffer to BM */
static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool,
- dma_addr_t buf_phys_addr,
- unsigned long buf_virt_addr)
+ dma_addr_t buf_dma_addr,
+ phys_addr_t buf_phys_addr)
{
- mvpp2_write(port->priv, MVPP2_BM_VIRT_RLS_REG, buf_virt_addr);
- mvpp2_write(port->priv, MVPP2_BM_PHY_RLS_REG(pool), buf_phys_addr);
-}
+ int cpu = smp_processor_id();
-/* Release multicast buffer */
-static void mvpp2_bm_pool_mc_put(struct mvpp2_port *port, int pool,
- dma_addr_t buf_phys_addr,
- unsigned long buf_virt_addr,
- int mc_id)
-{
- u32 val = 0;
+ if (port->priv->hw_version == MVPP22) {
+ u32 val = 0;
+
+ if (sizeof(dma_addr_t) == 8)
+ val |= upper_32_bits(buf_dma_addr) &
+ MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK;
- val |= (mc_id & MVPP2_BM_MC_ID_MASK);
- mvpp2_write(port->priv, MVPP2_BM_MC_RLS_REG, val);
+ if (sizeof(phys_addr_t) == 8)
+ val |= (upper_32_bits(buf_phys_addr)
+ << MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT) &
+ MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK;
- mvpp2_bm_pool_put(port, pool,
- buf_phys_addr | MVPP2_BM_PHY_RLS_MC_BUFF_MASK,
- buf_virt_addr);
+ mvpp2_percpu_write(port->priv, cpu,
+ MVPP22_BM_ADDR_HIGH_RLS_REG, val);
+ }
+
+ /* MVPP2_BM_VIRT_RLS_REG is not interpreted by HW, and simply
+ * returned in the "cookie" field of the RX
+ * descriptor. Instead of storing the virtual address, we
+ * store the physical address
+ */
+ mvpp2_percpu_write(port->priv, cpu,
+ MVPP2_BM_VIRT_RLS_REG, buf_phys_addr);
+ mvpp2_percpu_write(port->priv, cpu,
+ MVPP2_BM_PHY_RLS_REG(pool), buf_dma_addr);
}
/* Refill BM pool */
static void mvpp2_pool_refill(struct mvpp2_port *port, u32 bm,
- dma_addr_t phys_addr,
- unsigned long cookie)
+ dma_addr_t dma_addr,
+ phys_addr_t phys_addr)
{
int pool = mvpp2_bm_cookie_pool_get(bm);
- mvpp2_bm_pool_put(port, pool, phys_addr, cookie);
+ mvpp2_bm_pool_put(port, pool, dma_addr, phys_addr);
}
/* Allocate buffers for the pool */
@@ -3642,7 +3975,8 @@ static int mvpp2_bm_bufs_add(struct mvpp2_port *port,
struct mvpp2_bm_pool *bm_pool, int buf_num)
{
int i, buf_size, total_size;
- dma_addr_t phys_addr;
+ dma_addr_t dma_addr;
+ phys_addr_t phys_addr;
void *buf;
buf_size = MVPP2_RX_BUF_SIZE(bm_pool->pkt_size);
@@ -3657,12 +3991,13 @@ static int mvpp2_bm_bufs_add(struct mvpp2_port *port,
}
for (i = 0; i < buf_num; i++) {
- buf = mvpp2_buf_alloc(port, bm_pool, &phys_addr, GFP_KERNEL);
+ buf = mvpp2_buf_alloc(port, bm_pool, &dma_addr,
+ &phys_addr, GFP_KERNEL);
if (!buf)
break;
- mvpp2_bm_pool_put(port, bm_pool->id, phys_addr,
- (unsigned long)buf);
+ mvpp2_bm_pool_put(port, bm_pool->id, dma_addr,
+ phys_addr);
}
/* Update BM driver with number of buffers added to pool */
@@ -3830,7 +4165,8 @@ static void mvpp2_interrupts_mask(void *arg)
{
struct mvpp2_port *port = arg;
- mvpp2_write(port->priv, MVPP2_ISR_RX_TX_MASK_REG(port->id), 0);
+ mvpp2_percpu_write(port->priv, smp_processor_id(),
+ MVPP2_ISR_RX_TX_MASK_REG(port->id), 0);
}
/* Unmask the current CPU's Rx/Tx interrupts */
@@ -3838,17 +4174,46 @@ static void mvpp2_interrupts_unmask(void *arg)
{
struct mvpp2_port *port = arg;
- mvpp2_write(port->priv, MVPP2_ISR_RX_TX_MASK_REG(port->id),
- (MVPP2_CAUSE_MISC_SUM_MASK |
- MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK));
+ mvpp2_percpu_write(port->priv, smp_processor_id(),
+ MVPP2_ISR_RX_TX_MASK_REG(port->id),
+ (MVPP2_CAUSE_MISC_SUM_MASK |
+ MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK));
}
/* Port configuration routines */
+static void mvpp22_port_mii_set(struct mvpp2_port *port)
+{
+ u32 val;
+
+ return;
+
+ /* Only GOP port 0 has an XLG MAC */
+ if (port->gop_id == 0) {
+ val = readl(port->base + MVPP22_XLG_CTRL3_REG);
+ val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK;
+ val |= MVPP22_XLG_CTRL3_MACMODESELECT_GMAC;
+ writel(val, port->base + MVPP22_XLG_CTRL3_REG);
+ }
+
+ val = readl(port->base + MVPP22_GMAC_CTRL_4_REG);
+ if (port->phy_interface == PHY_INTERFACE_MODE_RGMII)
+ val |= MVPP22_CTRL4_EXT_PIN_GMII_SEL;
+ else
+ val &= ~MVPP22_CTRL4_EXT_PIN_GMII_SEL;
+ val &= ~MVPP22_CTRL4_DP_CLK_SEL;
+ val |= MVPP22_CTRL4_SYNC_BYPASS;
+ val |= MVPP22_CTRL4_QSGMII_BYPASS_ACTIVE;
+ writel(val, port->base + MVPP22_GMAC_CTRL_4_REG);
+}
+
static void mvpp2_port_mii_set(struct mvpp2_port *port)
{
u32 val;
+ if (port->priv->hw_version == MVPP22)
+ mvpp22_port_mii_set(port);
+
val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
switch (port->phy_interface) {
@@ -3952,16 +4317,18 @@ static void mvpp2_defaults_set(struct mvpp2_port *port)
{
int tx_port_num, val, queue, ptxq, lrxq;
- /* Configure port to loopback if needed */
- if (port->flags & MVPP2_F_LOOPBACK)
- mvpp2_port_loopback_set(port);
+ if (port->priv->hw_version == MVPP21) {
+ /* Configure port to loopback if needed */
+ if (port->flags & MVPP2_F_LOOPBACK)
+ mvpp2_port_loopback_set(port);
- /* Update TX FIFO MIN Threshold */
- val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
- val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
- /* Min. TX threshold must be less than minimal packet length */
- val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(64 - 4 - 2);
- writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
+ /* Update TX FIFO MIN Threshold */
+ val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
+ val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
+ /* Min. TX threshold must be less than minimal packet length */
+ val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(64 - 4 - 2);
+ writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
+ }
/* Disable Legacy WRR, Disable EJP, Release from reset */
tx_port_num = mvpp2_egress_port(port);
@@ -4048,7 +4415,7 @@ static void mvpp2_egress_enable(struct mvpp2_port *port)
for (queue = 0; queue < txq_number; queue++) {
struct mvpp2_tx_queue *txq = port->txqs[queue];
- if (txq->descs != NULL)
+ if (txq->descs)
qmap |= (1 << queue);
}
@@ -4149,11 +4516,15 @@ static void mvpp2_rxq_offset_set(struct mvpp2_port *port,
}
/* Obtain BM cookie information from descriptor */
-static u32 mvpp2_bm_cookie_build(struct mvpp2_rx_desc *rx_desc)
+static u32 mvpp2_bm_cookie_build(struct mvpp2_port *port,
+ struct mvpp2_rx_desc *rx_desc)
{
- int pool = (rx_desc->status & MVPP2_RXD_BM_POOL_ID_MASK) >>
- MVPP2_RXD_BM_POOL_ID_OFFS;
int cpu = smp_processor_id();
+ int pool;
+
+ pool = (mvpp2_rxdesc_status_get(port, rx_desc) &
+ MVPP2_RXD_BM_POOL_ID_MASK) >>
+ MVPP2_RXD_BM_POOL_ID_OFFS;
return ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS) |
((cpu & 0xFF) << MVPP2_BM_COOKIE_CPU_OFFS);
@@ -4161,18 +4532,6 @@ static u32 mvpp2_bm_cookie_build(struct mvpp2_rx_desc *rx_desc)
/* Tx descriptors helper methods */
-/* Get number of Tx descriptors waiting to be transmitted by HW */
-static int mvpp2_txq_pend_desc_num_get(struct mvpp2_port *port,
- struct mvpp2_tx_queue *txq)
-{
- u32 val;
-
- mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
- val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
-
- return val & MVPP2_TXQ_PENDING_MASK;
-}
-
/* Get pointer to next Tx descriptor to be processed (send) by HW */
static struct mvpp2_tx_desc *
mvpp2_txq_next_desc_get(struct mvpp2_tx_queue *txq)
@@ -4187,7 +4546,8 @@ mvpp2_txq_next_desc_get(struct mvpp2_tx_queue *txq)
static void mvpp2_aggr_txq_pend_desc_add(struct mvpp2_port *port, int pending)
{
/* aggregated access - relevant TXQ number is written in TX desc */
- mvpp2_write(port->priv, MVPP2_AGGR_TXQ_UPDATE_REG, pending);
+ mvpp2_percpu_write(port->priv, smp_processor_id(),
+ MVPP2_AGGR_TXQ_UPDATE_REG, pending);
}
@@ -4216,11 +4576,12 @@ static int mvpp2_txq_alloc_reserved_desc(struct mvpp2 *priv,
struct mvpp2_tx_queue *txq, int num)
{
u32 val;
+ int cpu = smp_processor_id();
val = (txq->id << MVPP2_TXQ_RSVD_REQ_Q_OFFSET) | num;
- mvpp2_write(priv, MVPP2_TXQ_RSVD_REQ_REG, val);
+ mvpp2_percpu_write(priv, cpu, MVPP2_TXQ_RSVD_REQ_REG, val);
- val = mvpp2_read(priv, MVPP2_TXQ_RSVD_RSLT_REG);
+ val = mvpp2_percpu_read(priv, cpu, MVPP2_TXQ_RSVD_RSLT_REG);
return val & MVPP2_TXQ_RSVD_RSLT_MASK;
}
@@ -4321,7 +4682,8 @@ static inline int mvpp2_txq_sent_desc_proc(struct mvpp2_port *port,
u32 val;
/* Reading status reg resets transmitted descriptor counter */
- val = mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(txq->id));
+ val = mvpp2_percpu_read(port->priv, smp_processor_id(),
+ MVPP2_TXQ_SENT_REG(txq->id));
return (val & MVPP2_TRANSMITTED_COUNT_MASK) >>
MVPP2_TRANSMITTED_COUNT_OFFSET;
@@ -4335,7 +4697,8 @@ static void mvpp2_txq_sent_counter_clear(void *arg)
for (queue = 0; queue < txq_number; queue++) {
int id = port->txqs[queue]->id;
- mvpp2_read(port->priv, MVPP2_TXQ_SENT_REG(id));
+ mvpp2_percpu_read(port->priv, smp_processor_id(),
+ MVPP2_TXQ_SENT_REG(id));
}
}
@@ -4394,12 +4757,14 @@ static void mvpp2_txp_max_tx_size_set(struct mvpp2_port *port)
static void mvpp2_rx_pkts_coal_set(struct mvpp2_port *port,
struct mvpp2_rx_queue *rxq)
{
+ int cpu = smp_processor_id();
+
if (rxq->pkts_coal > MVPP2_OCCUPIED_THRESH_MASK)
rxq->pkts_coal = MVPP2_OCCUPIED_THRESH_MASK;
- mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
- mvpp2_write(port->priv, MVPP2_RXQ_THRESH_REG,
- rxq->pkts_coal);
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_NUM_REG, rxq->id);
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_THRESH_REG,
+ rxq->pkts_coal);
}
static u32 mvpp2_usec_to_cycles(u32 usec, unsigned long clk_hz)
@@ -4449,7 +4814,7 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port,
struct mvpp2_txq_pcpu_buf *tx_buf =
txq_pcpu->buffs + txq_pcpu->txq_get_index;
- dma_unmap_single(port->dev->dev.parent, tx_buf->phys,
+ dma_unmap_single(port->dev->dev.parent, tx_buf->dma,
tx_buf->size, DMA_TO_DEVICE);
if (tx_buf->skb)
dev_kfree_skb_any(tx_buf->skb);
@@ -4527,10 +4892,12 @@ static int mvpp2_aggr_txq_init(struct platform_device *pdev,
int desc_num, int cpu,
struct mvpp2 *priv)
{
+ u32 txq_dma;
+
/* Allocate memory for TX descriptors */
aggr_txq->descs = dma_alloc_coherent(&pdev->dev,
desc_num * MVPP2_DESC_ALIGNED_SIZE,
- &aggr_txq->descs_phys, GFP_KERNEL);
+ &aggr_txq->descs_dma, GFP_KERNEL);
if (!aggr_txq->descs)
return -ENOMEM;
@@ -4540,10 +4907,16 @@ static int mvpp2_aggr_txq_init(struct platform_device *pdev,
aggr_txq->next_desc_to_proc = mvpp2_read(priv,
MVPP2_AGGR_TXQ_INDEX_REG(cpu));
- /* Set Tx descriptors queue starting address */
- /* indirect access */
- mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu),
- aggr_txq->descs_phys);
+ /* Set Tx descriptors queue starting address indirect
+ * access
+ */
+ if (priv->hw_version == MVPP21)
+ txq_dma = aggr_txq->descs_dma;
+ else
+ txq_dma = aggr_txq->descs_dma >>
+ MVPP22_AGGR_TXQ_DESC_ADDR_OFFS;
+
+ mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu), txq_dma);
mvpp2_write(priv, MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu), desc_num);
return 0;
@@ -4554,12 +4927,15 @@ static int mvpp2_rxq_init(struct mvpp2_port *port,
struct mvpp2_rx_queue *rxq)
{
+ u32 rxq_dma;
+ int cpu;
+
rxq->size = port->rx_ring_size;
/* Allocate memory for RX descriptors */
rxq->descs = dma_alloc_coherent(port->dev->dev.parent,
rxq->size * MVPP2_DESC_ALIGNED_SIZE,
- &rxq->descs_phys, GFP_KERNEL);
+ &rxq->descs_dma, GFP_KERNEL);
if (!rxq->descs)
return -ENOMEM;
@@ -4569,10 +4945,15 @@ static int mvpp2_rxq_init(struct mvpp2_port *port,
mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
/* Set Rx descriptors queue starting address - indirect access */
- mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
- mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, rxq->descs_phys);
- mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, rxq->size);
- mvpp2_write(port->priv, MVPP2_RXQ_INDEX_REG, 0);
+ cpu = smp_processor_id();
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_NUM_REG, rxq->id);
+ if (port->priv->hw_version == MVPP21)
+ rxq_dma = rxq->descs_dma;
+ else
+ rxq_dma = rxq->descs_dma >> MVPP22_DESC_ADDR_OFFS;
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_DESC_ADDR_REG, rxq_dma);
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_DESC_SIZE_REG, rxq->size);
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_INDEX_REG, 0);
/* Set Offset */
mvpp2_rxq_offset_set(port, rxq->id, NET_SKB_PAD);
@@ -4599,10 +4980,11 @@ static void mvpp2_rxq_drop_pkts(struct mvpp2_port *port,
for (i = 0; i < rx_received; i++) {
struct mvpp2_rx_desc *rx_desc = mvpp2_rxq_next_desc_get(rxq);
- u32 bm = mvpp2_bm_cookie_build(rx_desc);
+ u32 bm = mvpp2_bm_cookie_build(port, rx_desc);
- mvpp2_pool_refill(port, bm, rx_desc->buf_phys_addr,
- rx_desc->buf_cookie);
+ mvpp2_pool_refill(port, bm,
+ mvpp2_rxdesc_dma_addr_get(port, rx_desc),
+ mvpp2_rxdesc_cookie_get(port, rx_desc));
}
mvpp2_rxq_status_update(port, rxq->id, rx_received, rx_received);
}
@@ -4611,26 +4993,29 @@ static void mvpp2_rxq_drop_pkts(struct mvpp2_port *port,
static void mvpp2_rxq_deinit(struct mvpp2_port *port,
struct mvpp2_rx_queue *rxq)
{
+ int cpu;
+
mvpp2_rxq_drop_pkts(port, rxq);
if (rxq->descs)
dma_free_coherent(port->dev->dev.parent,
rxq->size * MVPP2_DESC_ALIGNED_SIZE,
rxq->descs,
- rxq->descs_phys);
+ rxq->descs_dma);
rxq->descs = NULL;
rxq->last_desc = 0;
rxq->next_desc_to_proc = 0;
- rxq->descs_phys = 0;
+ rxq->descs_dma = 0;
/* Clear Rx descriptors queue starting address and size;
* free descriptor number
*/
mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0);
- mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
- mvpp2_write(port->priv, MVPP2_RXQ_DESC_ADDR_REG, 0);
- mvpp2_write(port->priv, MVPP2_RXQ_DESC_SIZE_REG, 0);
+ cpu = smp_processor_id();
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_NUM_REG, rxq->id);
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_DESC_ADDR_REG, 0);
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_DESC_SIZE_REG, 0);
}
/* Create and initialize a Tx queue */
@@ -4646,23 +5031,25 @@ static int mvpp2_txq_init(struct mvpp2_port *port,
/* Allocate memory for Tx descriptors */
txq->descs = dma_alloc_coherent(port->dev->dev.parent,
txq->size * MVPP2_DESC_ALIGNED_SIZE,
- &txq->descs_phys, GFP_KERNEL);
+ &txq->descs_dma, GFP_KERNEL);
if (!txq->descs)
return -ENOMEM;
txq->last_desc = txq->size - 1;
/* Set Tx descriptors queue starting address - indirect access */
- mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
- mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, txq->descs_phys);
- mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, txq->size &
- MVPP2_TXQ_DESC_SIZE_MASK);
- mvpp2_write(port->priv, MVPP2_TXQ_INDEX_REG, 0);
- mvpp2_write(port->priv, MVPP2_TXQ_RSVD_CLR_REG,
- txq->id << MVPP2_TXQ_RSVD_CLR_OFFSET);
- val = mvpp2_read(port->priv, MVPP2_TXQ_PENDING_REG);
+ cpu = smp_processor_id();
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_NUM_REG, txq->id);
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_DESC_ADDR_REG,
+ txq->descs_dma);
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_DESC_SIZE_REG,
+ txq->size & MVPP2_TXQ_DESC_SIZE_MASK);
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_INDEX_REG, 0);
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_RSVD_CLR_REG,
+ txq->id << MVPP2_TXQ_RSVD_CLR_OFFSET);
+ val = mvpp2_percpu_read(port->priv, cpu, MVPP2_TXQ_PENDING_REG);
val &= ~MVPP2_TXQ_PENDING_MASK;
- mvpp2_write(port->priv, MVPP2_TXQ_PENDING_REG, val);
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_PENDING_REG, val);
/* Calculate base address in prefetch buffer. We reserve 16 descriptors
* for each existing TXQ.
@@ -4673,9 +5060,9 @@ static int mvpp2_txq_init(struct mvpp2_port *port,
desc = (port->id * MVPP2_MAX_TXQ * desc_per_txq) +
(txq->log_id * desc_per_txq);
- mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG,
- MVPP2_PREF_BUF_PTR(desc) | MVPP2_PREF_BUF_SIZE_16 |
- MVPP2_PREF_BUF_THRESH(desc_per_txq/2));
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_PREF_BUF_REG,
+ MVPP2_PREF_BUF_PTR(desc) | MVPP2_PREF_BUF_SIZE_16 |
+ MVPP2_PREF_BUF_THRESH(desc_per_txq / 2));
/* WRR / EJP configuration - indirect access */
tx_port_num = mvpp2_egress_port(port);
@@ -4694,11 +5081,11 @@ static int mvpp2_txq_init(struct mvpp2_port *port,
for_each_present_cpu(cpu) {
txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
txq_pcpu->size = txq->size;
- txq_pcpu->buffs = kmalloc(txq_pcpu->size *
- sizeof(struct mvpp2_txq_pcpu_buf),
- GFP_KERNEL);
+ txq_pcpu->buffs = kmalloc_array(txq_pcpu->size,
+ sizeof(*txq_pcpu->buffs),
+ GFP_KERNEL);
if (!txq_pcpu->buffs)
- goto error;
+ goto cleanup;
txq_pcpu->count = 0;
txq_pcpu->reserved_num = 0;
@@ -4707,8 +5094,7 @@ static int mvpp2_txq_init(struct mvpp2_port *port,
}
return 0;
-
-error:
+cleanup:
for_each_present_cpu(cpu) {
txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
kfree(txq_pcpu->buffs);
@@ -4716,7 +5102,7 @@ error:
dma_free_coherent(port->dev->dev.parent,
txq->size * MVPP2_DESC_ALIGNED_SIZE,
- txq->descs, txq->descs_phys);
+ txq->descs, txq->descs_dma);
return -ENOMEM;
}
@@ -4736,20 +5122,21 @@ static void mvpp2_txq_deinit(struct mvpp2_port *port,
if (txq->descs)
dma_free_coherent(port->dev->dev.parent,
txq->size * MVPP2_DESC_ALIGNED_SIZE,
- txq->descs, txq->descs_phys);
+ txq->descs, txq->descs_dma);
txq->descs = NULL;
txq->last_desc = 0;
txq->next_desc_to_proc = 0;
- txq->descs_phys = 0;
+ txq->descs_dma = 0;
/* Set minimum bandwidth for disabled TXQs */
mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(txq->id), 0);
/* Set Tx descriptors queue starting address and size */
- mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
- mvpp2_write(port->priv, MVPP2_TXQ_DESC_ADDR_REG, 0);
- mvpp2_write(port->priv, MVPP2_TXQ_DESC_SIZE_REG, 0);
+ cpu = smp_processor_id();
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_NUM_REG, txq->id);
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_DESC_ADDR_REG, 0);
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_DESC_SIZE_REG, 0);
}
/* Cleanup Tx ports */
@@ -4759,10 +5146,11 @@ static void mvpp2_txq_clean(struct mvpp2_port *port, struct mvpp2_tx_queue *txq)
int delay, pending, cpu;
u32 val;
- mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
- val = mvpp2_read(port->priv, MVPP2_TXQ_PREF_BUF_REG);
+ cpu = smp_processor_id();
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_NUM_REG, txq->id);
+ val = mvpp2_percpu_read(port->priv, cpu, MVPP2_TXQ_PREF_BUF_REG);
val |= MVPP2_TXQ_DRAIN_EN_MASK;
- mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_PREF_BUF_REG, val);
/* The napi queue has been stopped so wait for all packets
* to be transmitted.
@@ -4778,11 +5166,13 @@ static void mvpp2_txq_clean(struct mvpp2_port *port, struct mvpp2_tx_queue *txq)
mdelay(1);
delay++;
- pending = mvpp2_txq_pend_desc_num_get(port, txq);
+ pending = mvpp2_percpu_read(port->priv, cpu,
+ MVPP2_TXQ_PENDING_REG);
+ pending &= MVPP2_TXQ_PENDING_MASK;
} while (pending);
val &= ~MVPP2_TXQ_DRAIN_EN_MASK;
- mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
+ mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_PREF_BUF_REG, val);
for_each_present_cpu(cpu) {
txq_pcpu = per_cpu_ptr(txq->pcpu, cpu);
@@ -4991,20 +5381,21 @@ static enum hrtimer_restart mvpp2_hr_timer_cb(struct hrtimer *timer)
static void mvpp2_rx_error(struct mvpp2_port *port,
struct mvpp2_rx_desc *rx_desc)
{
- u32 status = rx_desc->status;
+ u32 status = mvpp2_rxdesc_status_get(port, rx_desc);
+ size_t sz = mvpp2_rxdesc_size_get(port, rx_desc);
switch (status & MVPP2_RXD_ERR_CODE_MASK) {
case MVPP2_RXD_ERR_CRC:
- netdev_err(port->dev, "bad rx status %08x (crc error), size=%d\n",
- status, rx_desc->data_size);
+ netdev_err(port->dev, "bad rx status %08x (crc error), size=%zu\n",
+ status, sz);
break;
case MVPP2_RXD_ERR_OVERRUN:
- netdev_err(port->dev, "bad rx status %08x (overrun error), size=%d\n",
- status, rx_desc->data_size);
+ netdev_err(port->dev, "bad rx status %08x (overrun error), size=%zu\n",
+ status, sz);
break;
case MVPP2_RXD_ERR_RESOURCE:
- netdev_err(port->dev, "bad rx status %08x (resource error), size=%d\n",
- status, rx_desc->data_size);
+ netdev_err(port->dev, "bad rx status %08x (resource error), size=%zu\n",
+ status, sz);
break;
}
}
@@ -5031,15 +5422,17 @@ static void mvpp2_rx_csum(struct mvpp2_port *port, u32 status,
static int mvpp2_rx_refill(struct mvpp2_port *port,
struct mvpp2_bm_pool *bm_pool, u32 bm)
{
- dma_addr_t phys_addr;
+ dma_addr_t dma_addr;
+ phys_addr_t phys_addr;
void *buf;
/* No recycle or too many buffers are in use, so allocate a new skb */
- buf = mvpp2_buf_alloc(port, bm_pool, &phys_addr, GFP_ATOMIC);
+ buf = mvpp2_buf_alloc(port, bm_pool, &dma_addr, &phys_addr,
+ GFP_ATOMIC);
if (!buf)
return -ENOMEM;
- mvpp2_pool_refill(port, bm, phys_addr, (unsigned long)buf);
+ mvpp2_pool_refill(port, bm, dma_addr, phys_addr);
return 0;
}
@@ -5075,43 +5468,6 @@ static u32 mvpp2_skb_tx_csum(struct mvpp2_port *port, struct sk_buff *skb)
return MVPP2_TXD_L4_CSUM_NOT | MVPP2_TXD_IP_CSUM_DISABLE;
}
-static void mvpp2_buff_hdr_rx(struct mvpp2_port *port,
- struct mvpp2_rx_desc *rx_desc)
-{
- struct mvpp2_buff_hdr *buff_hdr;
- struct sk_buff *skb;
- u32 rx_status = rx_desc->status;
- dma_addr_t buff_phys_addr;
- unsigned long buff_virt_addr;
- dma_addr_t buff_phys_addr_next;
- unsigned long buff_virt_addr_next;
- int mc_id;
- int pool_id;
-
- pool_id = (rx_status & MVPP2_RXD_BM_POOL_ID_MASK) >>
- MVPP2_RXD_BM_POOL_ID_OFFS;
- buff_phys_addr = rx_desc->buf_phys_addr;
- buff_virt_addr = rx_desc->buf_cookie;
-
- do {
- skb = (struct sk_buff *)buff_virt_addr;
- buff_hdr = (struct mvpp2_buff_hdr *)skb->head;
-
- mc_id = MVPP2_B_HDR_INFO_MC_ID(buff_hdr->info);
-
- buff_phys_addr_next = buff_hdr->next_buff_phys_addr;
- buff_virt_addr_next = buff_hdr->next_buff_virt_addr;
-
- /* Release buffer */
- mvpp2_bm_pool_mc_put(port, pool_id, buff_phys_addr,
- buff_virt_addr, mc_id);
-
- buff_phys_addr = buff_phys_addr_next;
- buff_virt_addr = buff_virt_addr_next;
-
- } while (!MVPP2_B_HDR_INFO_IS_LAST(buff_hdr->info));
-}
-
/* Main rx processing */
static int mvpp2_rx(struct mvpp2_port *port, int rx_todo,
struct mvpp2_rx_queue *rxq)
@@ -5132,25 +5488,23 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo,
struct mvpp2_bm_pool *bm_pool;
struct sk_buff *skb;
unsigned int frag_size;
- dma_addr_t phys_addr;
+ dma_addr_t dma_addr;
+ phys_addr_t phys_addr;
u32 bm, rx_status;
int pool, rx_bytes, err;
void *data;
rx_done++;
- rx_status = rx_desc->status;
- rx_bytes = rx_desc->data_size - MVPP2_MH_SIZE;
- phys_addr = rx_desc->buf_phys_addr;
- data = (void *)(uintptr_t)rx_desc->buf_cookie;
-
- bm = mvpp2_bm_cookie_build(rx_desc);
+ rx_status = mvpp2_rxdesc_status_get(port, rx_desc);
+ rx_bytes = mvpp2_rxdesc_size_get(port, rx_desc);
+ rx_bytes -= MVPP2_MH_SIZE;
+ dma_addr = mvpp2_rxdesc_dma_addr_get(port, rx_desc);
+ phys_addr = mvpp2_rxdesc_cookie_get(port, rx_desc);
+ data = (void *)phys_to_virt(phys_addr);
+
+ bm = mvpp2_bm_cookie_build(port, rx_desc);
pool = mvpp2_bm_cookie_pool_get(bm);
bm_pool = &port->priv->bm_pools[pool];
- /* Check if buffer header is used */
- if (rx_status & MVPP2_RXD_BUF_HDR) {
- mvpp2_buff_hdr_rx(port, rx_desc);
- continue;
- }
/* In case of an error, release the requested buffer pointer
* to the Buffer Manager. This request process is controlled
@@ -5158,13 +5512,11 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo,
* comprised by the RX descriptor.
*/
if (rx_status & MVPP2_RXD_ERR_SUMMARY) {
- err_drop_frame:
+err_drop_frame:
dev->stats.rx_errors++;
mvpp2_rx_error(port, rx_desc);
/* Return the buffer to the pool */
-
- mvpp2_pool_refill(port, bm, rx_desc->buf_phys_addr,
- rx_desc->buf_cookie);
+ mvpp2_pool_refill(port, bm, dma_addr, phys_addr);
continue;
}
@@ -5185,7 +5537,7 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo,
goto err_drop_frame;
}
- dma_unmap_single(dev->dev.parent, phys_addr,
+ dma_unmap_single(dev->dev.parent, dma_addr,
bm_pool->buf_size, DMA_FROM_DEVICE);
rcvd_pkts++;
@@ -5216,11 +5568,15 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo,
}
static inline void
-tx_desc_unmap_put(struct device *dev, struct mvpp2_tx_queue *txq,
+tx_desc_unmap_put(struct mvpp2_port *port, struct mvpp2_tx_queue *txq,
struct mvpp2_tx_desc *desc)
{
- dma_unmap_single(dev, desc->buf_phys_addr,
- desc->data_size, DMA_TO_DEVICE);
+ dma_addr_t buf_dma_addr =
+ mvpp2_txdesc_dma_addr_get(port, desc);
+ size_t buf_sz =
+ mvpp2_txdesc_size_get(port, desc);
+ dma_unmap_single(port->dev->dev.parent, buf_dma_addr,
+ buf_sz, DMA_TO_DEVICE);
mvpp2_txq_desc_put(txq);
}
@@ -5232,47 +5588,49 @@ static int mvpp2_tx_frag_process(struct mvpp2_port *port, struct sk_buff *skb,
struct mvpp2_txq_pcpu *txq_pcpu = this_cpu_ptr(txq->pcpu);
struct mvpp2_tx_desc *tx_desc;
int i;
- dma_addr_t buf_phys_addr;
+ dma_addr_t buf_dma_addr;
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
void *addr = page_address(frag->page.p) + frag->page_offset;
tx_desc = mvpp2_txq_next_desc_get(aggr_txq);
- tx_desc->phys_txq = txq->id;
- tx_desc->data_size = frag->size;
+ mvpp2_txdesc_txq_set(port, tx_desc, txq->id);
+ mvpp2_txdesc_size_set(port, tx_desc, frag->size);
- buf_phys_addr = dma_map_single(port->dev->dev.parent, addr,
- tx_desc->data_size,
+ buf_dma_addr = dma_map_single(port->dev->dev.parent, addr,
+ frag->size,
DMA_TO_DEVICE);
- if (dma_mapping_error(port->dev->dev.parent, buf_phys_addr)) {
+ if (dma_mapping_error(port->dev->dev.parent, buf_dma_addr)) {
mvpp2_txq_desc_put(txq);
- goto error;
+ goto cleanup;
}
- tx_desc->packet_offset = buf_phys_addr & MVPP2_TX_DESC_ALIGN;
- tx_desc->buf_phys_addr = buf_phys_addr & (~MVPP2_TX_DESC_ALIGN);
+ mvpp2_txdesc_offset_set(port, tx_desc,
+ buf_dma_addr & MVPP2_TX_DESC_ALIGN);
+ mvpp2_txdesc_dma_addr_set(port, tx_desc,
+ buf_dma_addr & ~MVPP2_TX_DESC_ALIGN);
if (i == (skb_shinfo(skb)->nr_frags - 1)) {
/* Last descriptor */
- tx_desc->command = MVPP2_TXD_L_DESC;
- mvpp2_txq_inc_put(txq_pcpu, skb, tx_desc);
+ mvpp2_txdesc_cmd_set(port, tx_desc,
+ MVPP2_TXD_L_DESC);
+ mvpp2_txq_inc_put(port, txq_pcpu, skb, tx_desc);
} else {
/* Descriptor in the middle: Not First, Not Last */
- tx_desc->command = 0;
- mvpp2_txq_inc_put(txq_pcpu, NULL, tx_desc);
+ mvpp2_txdesc_cmd_set(port, tx_desc, 0);
+ mvpp2_txq_inc_put(port, txq_pcpu, NULL, tx_desc);
}
}
return 0;
-
-error:
+cleanup:
/* Release all descriptors that were used to map fragments of
* this packet, as well as the corresponding DMA mappings
*/
for (i = i - 1; i >= 0; i--) {
tx_desc = txq->descs + i;
- tx_desc_unmap_put(port->dev->dev.parent, txq, tx_desc);
+ tx_desc_unmap_put(port, txq, tx_desc);
}
return -ENOMEM;
@@ -5285,7 +5643,7 @@ static int mvpp2_tx(struct sk_buff *skb, struct net_device *dev)
struct mvpp2_tx_queue *txq, *aggr_txq;
struct mvpp2_txq_pcpu *txq_pcpu;
struct mvpp2_tx_desc *tx_desc;
- dma_addr_t buf_phys_addr;
+ dma_addr_t buf_dma_addr;
int frags = 0;
u16 txq_id;
u32 tx_cmd;
@@ -5307,35 +5665,38 @@ static int mvpp2_tx(struct sk_buff *skb, struct net_device *dev)
/* Get a descriptor for the first part of the packet */
tx_desc = mvpp2_txq_next_desc_get(aggr_txq);
- tx_desc->phys_txq = txq->id;
- tx_desc->data_size = skb_headlen(skb);
+ mvpp2_txdesc_txq_set(port, tx_desc, txq->id);
+ mvpp2_txdesc_size_set(port, tx_desc, skb_headlen(skb));
- buf_phys_addr = dma_map_single(dev->dev.parent, skb->data,
- tx_desc->data_size, DMA_TO_DEVICE);
- if (unlikely(dma_mapping_error(dev->dev.parent, buf_phys_addr))) {
+ buf_dma_addr = dma_map_single(dev->dev.parent, skb->data,
+ skb_headlen(skb), DMA_TO_DEVICE);
+ if (unlikely(dma_mapping_error(dev->dev.parent, buf_dma_addr))) {
mvpp2_txq_desc_put(txq);
frags = 0;
goto out;
}
- tx_desc->packet_offset = buf_phys_addr & MVPP2_TX_DESC_ALIGN;
- tx_desc->buf_phys_addr = buf_phys_addr & ~MVPP2_TX_DESC_ALIGN;
+
+ mvpp2_txdesc_offset_set(port, tx_desc,
+ buf_dma_addr & MVPP2_TX_DESC_ALIGN);
+ mvpp2_txdesc_dma_addr_set(port, tx_desc,
+ buf_dma_addr & ~MVPP2_TX_DESC_ALIGN);
tx_cmd = mvpp2_skb_tx_csum(port, skb);
if (frags == 1) {
/* First and Last descriptor */
tx_cmd |= MVPP2_TXD_F_DESC | MVPP2_TXD_L_DESC;
- tx_desc->command = tx_cmd;
- mvpp2_txq_inc_put(txq_pcpu, skb, tx_desc);
+ mvpp2_txdesc_cmd_set(port, tx_desc, tx_cmd);
+ mvpp2_txq_inc_put(port, txq_pcpu, skb, tx_desc);
} else {
/* First but not Last */
tx_cmd |= MVPP2_TXD_F_DESC | MVPP2_TXD_PADDING_DISABLE;
- tx_desc->command = tx_cmd;
- mvpp2_txq_inc_put(txq_pcpu, NULL, tx_desc);
+ mvpp2_txdesc_cmd_set(port, tx_desc, tx_cmd);
+ mvpp2_txq_inc_put(port, txq_pcpu, NULL, tx_desc);
/* Continue with other skb fragments */
if (mvpp2_tx_frag_process(port, skb, aggr_txq, txq)) {
- tx_desc_unmap_put(port->dev->dev.parent, txq, tx_desc);
+ tx_desc_unmap_put(port, txq, tx_desc);
frags = 0;
goto out;
}
@@ -5396,6 +5757,7 @@ static int mvpp2_poll(struct napi_struct *napi, int budget)
u32 cause_rx_tx, cause_rx, cause_misc;
int rx_done = 0;
struct mvpp2_port *port = netdev_priv(napi->dev);
+ int cpu = smp_processor_id();
/* Rx/Tx cause register
*
@@ -5407,8 +5769,8 @@ static int mvpp2_poll(struct napi_struct *napi, int budget)
*
* Each CPU has its own Rx/Tx cause register
*/
- cause_rx_tx = mvpp2_read(port->priv,
- MVPP2_ISR_RX_TX_CAUSE_REG(port->id));
+ cause_rx_tx = mvpp2_percpu_read(port->priv, cpu,
+ MVPP2_ISR_RX_TX_CAUSE_REG(port->id));
cause_rx_tx &= ~MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK;
cause_misc = cause_rx_tx & MVPP2_CAUSE_MISC_SUM_MASK;
@@ -5417,8 +5779,9 @@ static int mvpp2_poll(struct napi_struct *napi, int budget)
/* Clear the cause register */
mvpp2_write(port->priv, MVPP2_ISR_MISC_CAUSE_REG, 0);
- mvpp2_write(port->priv, MVPP2_ISR_RX_TX_CAUSE_REG(port->id),
- cause_rx_tx & ~MVPP2_CAUSE_MISC_SUM_MASK);
+ mvpp2_percpu_write(port->priv, cpu,
+ MVPP2_ISR_RX_TX_CAUSE_REG(port->id),
+ cause_rx_tx & ~MVPP2_CAUSE_MISC_SUM_MASK);
}
cause_rx = cause_rx_tx & MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK;
@@ -5530,7 +5893,7 @@ static int mvpp2_check_ringparam_valid(struct net_device *dev,
return 0;
}
-static void mvpp2_get_mac_address(struct mvpp2_port *port, unsigned char *addr)
+static void mvpp21_get_mac_address(struct mvpp2_port *port, unsigned char *addr)
{
u32 mac_addr_l, mac_addr_m, mac_addr_h;
@@ -5698,7 +6061,7 @@ static int mvpp2_set_mac_address(struct net_device *dev, void *p)
if (!is_valid_ether_addr(addr->sa_data)) {
err = -EADDRNOTAVAIL;
- goto error;
+ goto log_error;
}
if (!netif_running(dev)) {
@@ -5708,7 +6071,7 @@ static int mvpp2_set_mac_address(struct net_device *dev, void *p)
/* Reconfigure parser to accept the original MAC address */
err = mvpp2_prs_update_mac_da(dev, dev->dev_addr);
if (err)
- goto error;
+ goto log_error;
}
mvpp2_stop_dev(port);
@@ -5720,15 +6083,14 @@ static int mvpp2_set_mac_address(struct net_device *dev, void *p)
/* Reconfigure parser accept the original MAC address */
err = mvpp2_prs_update_mac_da(dev, dev->dev_addr);
if (err)
- goto error;
+ goto log_error;
out_start:
mvpp2_start_dev(port);
mvpp2_egress_enable(port);
mvpp2_ingress_enable(port);
return 0;
-
-error:
- netdev_err(dev, "fail to change MAC address\n");
+log_error:
+ netdev_err(dev, "failed to change MAC address\n");
return err;
}
@@ -5753,7 +6115,7 @@ static int mvpp2_change_mtu(struct net_device *dev, int mtu)
/* Reconfigure BM to the original MTU */
err = mvpp2_bm_update_mtu(dev, dev->mtu);
if (err)
- goto error;
+ goto log_error;
}
mvpp2_stop_dev(port);
@@ -5767,7 +6129,7 @@ static int mvpp2_change_mtu(struct net_device *dev, int mtu)
/* Reconfigure BM to the original MTU */
err = mvpp2_bm_update_mtu(dev, dev->mtu);
if (err)
- goto error;
+ goto log_error;
out_start:
mvpp2_start_dev(port);
@@ -5775,9 +6137,8 @@ out_start:
mvpp2_ingress_enable(port);
return 0;
-
-error:
- netdev_err(dev, "fail to change MTU\n");
+log_error:
+ netdev_err(dev, "failed to change MTU\n");
return err;
}
@@ -5946,7 +6307,7 @@ static int mvpp2_ethtool_set_ringparam(struct net_device *dev,
err_clean_rxqs:
mvpp2_cleanup_rxqs(port);
err_out:
- netdev_err(dev, "fail to change ring parameters");
+ netdev_err(dev, "failed to change ring parameters");
return err;
}
@@ -5975,16 +6336,6 @@ static const struct ethtool_ops mvpp2_eth_tool_ops = {
.set_link_ksettings = phy_ethtool_set_link_ksettings,
};
-/* Driver initialization */
-
-static void mvpp2_port_power_up(struct mvpp2_port *port)
-{
- mvpp2_port_mii_set(port);
- mvpp2_port_periodic_xon_disable(port);
- mvpp2_port_fc_adv_enable(port);
- mvpp2_port_reset(port);
-}
-
/* Initialize port HW */
static int mvpp2_port_init(struct mvpp2_port *port)
{
@@ -5993,7 +6344,8 @@ static int mvpp2_port_init(struct mvpp2_port *port)
struct mvpp2_txq_pcpu *txq_pcpu;
int queue, cpu, err;
- if (port->first_rxq + rxq_number > MVPP2_RXQ_TOTAL_NUM)
+ if (port->first_rxq + rxq_number >
+ MVPP2_MAX_PORTS * priv->max_port_rxqs)
return -EINVAL;
/* Disable port */
@@ -6061,7 +6413,18 @@ static int mvpp2_port_init(struct mvpp2_port *port)
}
/* Configure Rx queue group interrupt for this port */
- mvpp2_write(priv, MVPP2_ISR_RXQ_GROUP_REG(port->id), rxq_number);
+ if (priv->hw_version == MVPP21) {
+ mvpp2_write(priv, MVPP21_ISR_RXQ_GROUP_REG(port->id),
+ rxq_number);
+ } else {
+ u32 val;
+
+ val = (port->id << MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET);
+ mvpp2_write(priv, MVPP22_ISR_RXQ_GROUP_INDEX_REG, val);
+
+ val = (rxq_number << MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET);
+ mvpp2_write(priv, MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG, val);
+ }
/* Create Rx descriptor rings */
for (queue = 0; queue < rxq_number; queue++) {
@@ -6103,8 +6466,7 @@ err_free_percpu:
/* Ports initialization */
static int mvpp2_port_probe(struct platform_device *pdev,
struct device_node *port_node,
- struct mvpp2 *priv,
- int *next_first_rxq)
+ struct mvpp2 *priv)
{
struct device_node *phy_node;
struct mvpp2_port *port;
@@ -6117,11 +6479,9 @@ static int mvpp2_port_probe(struct platform_device *pdev,
u32 id;
int features;
int phy_mode;
- int priv_common_regs_num = 2;
int err, i, cpu;
- dev = alloc_etherdev_mqs(sizeof(struct mvpp2_port), txq_number,
- rxq_number);
+ dev = alloc_etherdev_mqs(sizeof(*port), txq_number, rxq_number);
if (!dev)
return -ENOMEM;
@@ -6163,16 +6523,30 @@ static int mvpp2_port_probe(struct platform_device *pdev,
port->priv = priv;
port->id = id;
- port->first_rxq = *next_first_rxq;
+ if (priv->hw_version == MVPP21)
+ port->first_rxq = port->id * rxq_number;
+ else
+ port->first_rxq = port->id * priv->max_port_rxqs;
+
port->phy_node = phy_node;
port->phy_interface = phy_mode;
- res = platform_get_resource(pdev, IORESOURCE_MEM,
- priv_common_regs_num + id);
- port->base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(port->base)) {
- err = PTR_ERR(port->base);
- goto err_free_irq;
+ if (priv->hw_version == MVPP21) {
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 2 + id);
+ port->base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(port->base)) {
+ err = PTR_ERR(port->base);
+ goto err_free_irq;
+ }
+ } else {
+ if (of_property_read_u32(port_node, "gop-port-id",
+ &port->gop_id)) {
+ err = -EINVAL;
+ dev_err(&pdev->dev, "missing gop-port-id value\n");
+ goto err_free_irq;
+ }
+
+ port->base = priv->iface_base + MVPP22_GMAC_BASE(port->gop_id);
}
/* Alloc per-cpu stats */
@@ -6187,7 +6561,8 @@ static int mvpp2_port_probe(struct platform_device *pdev,
mac_from = "device tree";
ether_addr_copy(dev->dev_addr, dt_mac_addr);
} else {
- mvpp2_get_mac_address(port, hw_mac_addr);
+ if (priv->hw_version == MVPP21)
+ mvpp21_get_mac_address(port, hw_mac_addr);
if (is_valid_ether_addr(hw_mac_addr)) {
mac_from = "hardware";
ether_addr_copy(dev->dev_addr, hw_mac_addr);
@@ -6207,7 +6582,14 @@ static int mvpp2_port_probe(struct platform_device *pdev,
dev_err(&pdev->dev, "failed to init port %d\n", id);
goto err_free_stats;
}
- mvpp2_port_power_up(port);
+
+ mvpp2_port_mii_set(port);
+ mvpp2_port_periodic_xon_disable(port);
+
+ if (priv->hw_version == MVPP21)
+ mvpp2_port_fc_adv_enable(port);
+
+ mvpp2_port_reset(port);
port->pcpu = alloc_percpu(struct mvpp2_port_pcpu);
if (!port->pcpu) {
@@ -6245,8 +6627,6 @@ static int mvpp2_port_probe(struct platform_device *pdev,
}
netdev_info(dev, "Using %s mac address %pM\n", mac_from, dev->dev_addr);
- /* Increment the first Rx queue number to be used by the next port */
- *next_first_rxq += rxq_number;
priv->port_list[id] = port;
return 0;
@@ -6330,6 +6710,60 @@ static void mvpp2_rx_fifo_init(struct mvpp2 *priv)
mvpp2_write(priv, MVPP2_RX_FIFO_INIT_REG, 0x1);
}
+static void mvpp2_axi_init(struct mvpp2 *priv)
+{
+ u32 val, rdval, wrval;
+
+ mvpp2_write(priv, MVPP22_BM_ADDR_HIGH_RLS_REG, 0x0);
+
+ /* AXI Bridge Configuration */
+
+ rdval = MVPP22_AXI_CODE_CACHE_RD_CACHE
+ << MVPP22_AXI_ATTR_CACHE_OFFS;
+ rdval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
+ << MVPP22_AXI_ATTR_DOMAIN_OFFS;
+
+ wrval = MVPP22_AXI_CODE_CACHE_WR_CACHE
+ << MVPP22_AXI_ATTR_CACHE_OFFS;
+ wrval |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
+ << MVPP22_AXI_ATTR_DOMAIN_OFFS;
+
+ /* BM */
+ mvpp2_write(priv, MVPP22_AXI_BM_WR_ATTR_REG, wrval);
+ mvpp2_write(priv, MVPP22_AXI_BM_RD_ATTR_REG, rdval);
+
+ /* Descriptors */
+ mvpp2_write(priv, MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG, rdval);
+ mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG, wrval);
+ mvpp2_write(priv, MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG, rdval);
+ mvpp2_write(priv, MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG, wrval);
+
+ /* Buffer Data */
+ mvpp2_write(priv, MVPP22_AXI_TX_DATA_RD_ATTR_REG, rdval);
+ mvpp2_write(priv, MVPP22_AXI_RX_DATA_WR_ATTR_REG, wrval);
+
+ val = MVPP22_AXI_CODE_CACHE_NON_CACHE
+ << MVPP22_AXI_CODE_CACHE_OFFS;
+ val |= MVPP22_AXI_CODE_DOMAIN_SYSTEM
+ << MVPP22_AXI_CODE_DOMAIN_OFFS;
+ mvpp2_write(priv, MVPP22_AXI_RD_NORMAL_CODE_REG, val);
+ mvpp2_write(priv, MVPP22_AXI_WR_NORMAL_CODE_REG, val);
+
+ val = MVPP22_AXI_CODE_CACHE_RD_CACHE
+ << MVPP22_AXI_CODE_CACHE_OFFS;
+ val |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
+ << MVPP22_AXI_CODE_DOMAIN_OFFS;
+
+ mvpp2_write(priv, MVPP22_AXI_RD_SNOOP_CODE_REG, val);
+
+ val = MVPP22_AXI_CODE_CACHE_WR_CACHE
+ << MVPP22_AXI_CODE_CACHE_OFFS;
+ val |= MVPP22_AXI_CODE_DOMAIN_OUTER_DOM
+ << MVPP22_AXI_CODE_DOMAIN_OFFS;
+
+ mvpp2_write(priv, MVPP22_AXI_WR_SNOOP_CODE_REG, val);
+}
+
/* Initialize network controller common part HW */
static int mvpp2_init(struct platform_device *pdev, struct mvpp2 *priv)
{
@@ -6338,7 +6772,7 @@ static int mvpp2_init(struct platform_device *pdev, struct mvpp2 *priv)
u32 val;
/* Checks for hardware constraints */
- if (rxq_number % 4 || (rxq_number > MVPP2_MAX_RXQ) ||
+ if (rxq_number % 4 || (rxq_number > priv->max_port_rxqs) ||
(txq_number > MVPP2_MAX_TXQ)) {
dev_err(&pdev->dev, "invalid queue size parameter\n");
return -EINVAL;
@@ -6349,14 +6783,23 @@ static int mvpp2_init(struct platform_device *pdev, struct mvpp2 *priv)
if (dram_target_info)
mvpp2_conf_mbus_windows(dram_target_info, priv);
+ if (priv->hw_version == MVPP22)
+ mvpp2_axi_init(priv);
+
/* Disable HW PHY polling */
- val = readl(priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
- val |= MVPP2_PHY_AN_STOP_SMI0_MASK;
- writel(val, priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
+ if (priv->hw_version == MVPP21) {
+ val = readl(priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
+ val |= MVPP2_PHY_AN_STOP_SMI0_MASK;
+ writel(val, priv->lms_base + MVPP2_PHY_AN_CFG0_REG);
+ } else {
+ val = readl(priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
+ val &= ~MVPP22_SMI_POLLING_EN;
+ writel(val, priv->iface_base + MVPP22_SMI_MISC_CFG_REG);
+ }
/* Allocate and initialize aggregated TXQs */
priv->aggr_txqs = devm_kcalloc(&pdev->dev, num_present_cpus(),
- sizeof(struct mvpp2_tx_queue),
+ sizeof(*priv->aggr_txqs),
GFP_KERNEL);
if (!priv->aggr_txqs)
return -ENOMEM;
@@ -6374,11 +6817,25 @@ static int mvpp2_init(struct platform_device *pdev, struct mvpp2 *priv)
mvpp2_rx_fifo_init(priv);
/* Reset Rx queue group interrupt configuration */
- for (i = 0; i < MVPP2_MAX_PORTS; i++)
- mvpp2_write(priv, MVPP2_ISR_RXQ_GROUP_REG(i), rxq_number);
+ for (i = 0; i < MVPP2_MAX_PORTS; i++) {
+ if (priv->hw_version == MVPP21) {
+ mvpp2_write(priv, MVPP21_ISR_RXQ_GROUP_REG(i),
+ rxq_number);
+ continue;
+ } else {
+ u32 val;
+
+ val = (i << MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET);
+ mvpp2_write(priv, MVPP22_ISR_RXQ_GROUP_INDEX_REG, val);
+
+ val = (rxq_number << MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET);
+ mvpp2_write(priv, MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG, val);
+ }
+ }
- writel(MVPP2_EXT_GLOBAL_CTRL_DEFAULT,
- priv->lms_base + MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG);
+ if (priv->hw_version == MVPP21)
+ writel(MVPP2_EXT_GLOBAL_CTRL_DEFAULT,
+ priv->lms_base + MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG);
/* Allow cache snoop when transmiting packets */
mvpp2_write(priv, MVPP2_TX_SNOOP_REG, 0x1);
@@ -6405,22 +6862,46 @@ static int mvpp2_probe(struct platform_device *pdev)
struct device_node *port_node;
struct mvpp2 *priv;
struct resource *res;
- int port_count, first_rxq;
+ void __iomem *base;
+ int port_count, cpu;
int err;
- priv = devm_kzalloc(&pdev->dev, sizeof(struct mvpp2), GFP_KERNEL);
+ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
+ priv->hw_version =
+ (unsigned long)of_device_get_match_data(&pdev->dev);
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- priv->base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(priv->base))
- return PTR_ERR(priv->base);
+ base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ if (priv->hw_version == MVPP21) {
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ priv->lms_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(priv->lms_base))
+ return PTR_ERR(priv->lms_base);
+ } else {
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ priv->iface_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(priv->iface_base))
+ return PTR_ERR(priv->iface_base);
+ }
- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- priv->lms_base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(priv->lms_base))
- return PTR_ERR(priv->lms_base);
+ for_each_present_cpu(cpu) {
+ u32 addr_space_sz;
+
+ addr_space_sz = (priv->hw_version == MVPP21 ?
+ MVPP21_ADDR_SPACE_SZ : MVPP22_ADDR_SPACE_SZ);
+ priv->cpu_base[cpu] = base + cpu * addr_space_sz;
+ }
+
+ if (priv->hw_version == MVPP21)
+ priv->max_port_rxqs = 8;
+ else
+ priv->max_port_rxqs = 32;
priv->pp_clk = devm_clk_get(&pdev->dev, "pp_clk");
if (IS_ERR(priv->pp_clk))
@@ -6438,42 +6919,70 @@ static int mvpp2_probe(struct platform_device *pdev)
if (err < 0)
goto err_pp_clk;
+ if (priv->hw_version == MVPP22) {
+ priv->mg_clk = devm_clk_get(&pdev->dev, "mg_clk");
+ if (IS_ERR(priv->mg_clk)) {
+ err = PTR_ERR(priv->mg_clk);
+ goto err_gop_clk;
+ }
+
+ err = clk_prepare_enable(priv->mg_clk);
+ if (err < 0)
+ goto err_gop_clk;
+ }
+
/* Get system's tclk rate */
priv->tclk = clk_get_rate(priv->pp_clk);
+ if (priv->hw_version == MVPP22) {
+ err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(40));
+ if (err)
+ goto err_mg_clk;
+ /* Sadly, the BM pools all share the same register to
+ * store the high 32 bits of their address. So they
+ * must all have the same high 32 bits, which forces
+ * us to restrict coherent memory to DMA_BIT_MASK(32).
+ */
+ err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
+ if (err)
+ goto err_mg_clk;
+ }
+
/* Initialize network controller */
err = mvpp2_init(pdev, priv);
if (err < 0) {
dev_err(&pdev->dev, "failed to initialize controller\n");
- goto err_gop_clk;
+ goto err_mg_clk;
}
port_count = of_get_available_child_count(dn);
if (port_count == 0) {
dev_err(&pdev->dev, "no ports enabled\n");
err = -ENODEV;
- goto err_gop_clk;
+ goto err_mg_clk;
}
priv->port_list = devm_kcalloc(&pdev->dev, port_count,
- sizeof(struct mvpp2_port *),
- GFP_KERNEL);
+ sizeof(*priv->port_list),
+ GFP_KERNEL);
if (!priv->port_list) {
err = -ENOMEM;
- goto err_gop_clk;
+ goto err_mg_clk;
}
/* Initialize ports */
- first_rxq = 0;
for_each_available_child_of_node(dn, port_node) {
- err = mvpp2_port_probe(pdev, port_node, priv, &first_rxq);
+ err = mvpp2_port_probe(pdev, port_node, priv);
if (err < 0)
- goto err_gop_clk;
+ goto err_mg_clk;
}
platform_set_drvdata(pdev, priv);
return 0;
+err_mg_clk:
+ if (priv->hw_version == MVPP22)
+ clk_disable_unprepare(priv->mg_clk);
err_gop_clk:
clk_disable_unprepare(priv->gop_clk);
err_pp_clk:
@@ -6506,9 +7015,10 @@ static int mvpp2_remove(struct platform_device *pdev)
dma_free_coherent(&pdev->dev,
MVPP2_AGGR_TXQ_SIZE * MVPP2_DESC_ALIGNED_SIZE,
aggr_txq->descs,
- aggr_txq->descs_phys);
+ aggr_txq->descs_dma);
}
+ clk_disable_unprepare(priv->mg_clk);
clk_disable_unprepare(priv->pp_clk);
clk_disable_unprepare(priv->gop_clk);
@@ -6516,7 +7026,14 @@ static int mvpp2_remove(struct platform_device *pdev)
}
static const struct of_device_id mvpp2_match[] = {
- { .compatible = "marvell,armada-375-pp2" },
+ {
+ .compatible = "marvell,armada-375-pp2",
+ .data = (void *)MVPP21,
+ },
+ {
+ .compatible = "marvell,armada-7k-pp22",
+ .data = (void *)MVPP22,
+ },
{ }
};
MODULE_DEVICE_TABLE(of, mvpp2_match);
diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c
index 28cb36d9e50a..993724959a7c 100644
--- a/drivers/net/ethernet/marvell/pxa168_eth.c
+++ b/drivers/net/ethernet/marvell/pxa168_eth.c
@@ -556,11 +556,11 @@ static int init_hash_table(struct pxa168_eth_private *pep)
* function.Driver can dynamically switch to them if the 1/2kB hash
* table is full.
*/
- if (pep->htpr == NULL) {
+ if (!pep->htpr) {
pep->htpr = dma_zalloc_coherent(pep->dev->dev.parent,
HASH_ADDR_TABLE_SIZE,
&pep->htpr_dma, GFP_KERNEL);
- if (pep->htpr == NULL)
+ if (!pep->htpr)
return -ENOMEM;
} else {
memset(pep->htpr, 0, HASH_ADDR_TABLE_SIZE);
@@ -1036,8 +1036,7 @@ static int rxq_init(struct net_device *dev)
int rx_desc_num = pep->rx_ring_size;
/* Allocate RX skb rings */
- pep->rx_skb = kzalloc(sizeof(*pep->rx_skb) * pep->rx_ring_size,
- GFP_KERNEL);
+ pep->rx_skb = kcalloc(rx_desc_num, sizeof(*pep->rx_skb), GFP_KERNEL);
if (!pep->rx_skb)
return -ENOMEM;
@@ -1096,8 +1095,7 @@ static int txq_init(struct net_device *dev)
int size = 0, i = 0;
int tx_desc_num = pep->tx_ring_size;
- pep->tx_skb = kzalloc(sizeof(*pep->tx_skb) * pep->tx_ring_size,
- GFP_KERNEL);
+ pep->tx_skb = kcalloc(tx_desc_num, sizeof(*pep->tx_skb), GFP_KERNEL);
if (!pep->tx_skb)
return -ENOMEM;
@@ -1358,7 +1356,7 @@ static int pxa168_smi_write(struct mii_bus *bus, int phy_addr, int regnum,
static int pxa168_eth_do_ioctl(struct net_device *dev, struct ifreq *ifr,
int cmd)
{
- if (dev->phydev != NULL)
+ if (dev->phydev)
return phy_mii_ioctl(dev->phydev, ifr, cmd);
return -EOPNOTSUPP;
@@ -1503,7 +1501,7 @@ static int pxa168_eth_probe(struct platform_device *pdev)
pep->timeout.data = (unsigned long)pep;
pep->smi_bus = mdiobus_alloc();
- if (pep->smi_bus == NULL) {
+ if (!pep->smi_bus) {
err = -ENOMEM;
goto err_netdev;
}
diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index edb95271a4f2..5d7d94de4e00 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -2657,7 +2657,7 @@ static int skge_down(struct net_device *dev)
struct skge_hw *hw = skge->hw;
int port = skge->port;
- if (skge->mem == NULL)
+ if (!skge->mem)
return 0;
netif_info(skge, ifdown, skge->netdev, "disabling interface\n");
@@ -3718,7 +3718,7 @@ static int skge_debug_show(struct seq_file *seq, void *v)
t->csum_offs, t->csum_write, t->csum_start);
}
- seq_printf(seq, "\nRx Ring:\n");
+ seq_puts(seq, "\nRx Ring:\n");
for (e = skge->rx_ring.to_clean; ; e = e->next) {
const struct skge_rx_desc *r = e->desc;
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 2b2cc3f3ca10..1145cde2274a 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -4544,7 +4544,7 @@ static int sky2_debug_show(struct seq_file *seq, void *v)
sky2_read32(hw, B0_Y2_SP_ICR));
if (!netif_running(dev)) {
- seq_printf(seq, "network not running\n");
+ seq_puts(seq, "network not running\n");
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-16 18:36:07 +0300