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net: mvpp2: rework RXQ interrupt group initialization for PPv2.2

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This commit adjusts how the MVPP2_ISR_RXQ_GROUP_REG register is
configured, since it changed between PPv2.1 and PPv2.2.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Thomas Petazzoni 2017-02-16 08:46:37 +01:00 committed by Stefan Roese
parent cdf77799a3
commit bc0bbf41b1
1 changed files with 45 additions and 5 deletions
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50
drivers/net/mvpp2.c
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@ -228,7 +228,21 @@ do { \
/* Interrupt Cause and Mask registers */
#define MVPP2_ISR_RX_THRESHOLD_REG(rxq) (0x5200 + 4 * (rxq))
#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)
@ -3747,7 +3761,19 @@ static int mvpp2_port_init(struct udevice *dev, struct mvpp2_port *port)
}
/* Configure Rx queue group interrupt for this port */
mvpp2_write(priv, MVPP2_ISR_RXQ_GROUP_REG(port->id), CONFIG_MV_ETH_RXQ);
if (priv->hw_version == MVPP21) {
mvpp2_write(priv, MVPP21_ISR_RXQ_GROUP_REG(port->id),
CONFIG_MV_ETH_RXQ);
} else {
u32 val;
val = (port->id << MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET);
mvpp2_write(priv, MVPP22_ISR_RXQ_GROUP_INDEX_REG, val);
val = (CONFIG_MV_ETH_RXQ <<
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++) {
@ -4013,9 +4039,23 @@ static int mvpp2_init(struct udevice *dev, 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),
CONFIG_MV_ETH_RXQ);
for (i = 0; i < MVPP2_MAX_PORTS; i++) {
if (priv->hw_version == MVPP21) {
mvpp2_write(priv, MVPP21_ISR_RXQ_GROUP_REG(i),
CONFIG_MV_ETH_RXQ);
continue;
} else {
u32 val;
val = (i << MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET);
mvpp2_write(priv, MVPP22_ISR_RXQ_GROUP_INDEX_REG, val);
val = (CONFIG_MV_ETH_RXQ <<
MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET);
mvpp2_write(priv,
MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG, val);
}
}
if (priv->hw_version == MVPP21)
writel(MVPP2_EXT_GLOBAL_CTRL_DEFAULT,