diff options
| author |   Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2017-03-07 16:53:10 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-03-09 10:12:11 -0800 |
| commit | 5eac892ac937a9edb490a8ad8755db874c63983e (patch) | |
| tree | af26fa81fdcd17939029fec5bcda9311cbf6d69a /drivers | |
| parent | net: mvpp2: adjust the allocation/free of BM pools for PPv2.2 (diff) | |
| download | linux-dev-5eac892ac937a9edb490a8ad8755db874c63983e.tar.xz linux-dev-5eac892ac937a9edb490a8ad8755db874c63983e.zip | |
net: mvpp2: adapt the mvpp2_rxq_*_pool_set functions to PPv2.2
The MVPP2_RXQ_CONFIG_REG register has a slightly different layout
between PPv2.1 and PPv2.2, so this commit adapts the functions modifying
this register to accommodate for both the PPv2.1 and PPv2.2 cases.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/marvell/mvpp2.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index 36aef5cd5446..91dca01b66a8 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -50,9 +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) @@ -3718,17 +3720,20 @@ 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); } @@ -3736,17 +3741,20 @@ 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); } |