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ar71xx: enable flow control for ethernet MACs with built-in switch

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Should fix LAN speed issues on some devices

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2016-06-13 12:43:34 +02:00
parent c536da365b
commit 1beb5bec64
1 changed files with 9 additions and 1 deletions
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10
target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
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@ -453,9 +453,17 @@ static void ag71xx_hw_stop(struct ag71xx *ag)
static void ag71xx_hw_setup(struct ag71xx *ag)
{
struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
struct ag71xx_mdio_platform_data *mpdata;
u32 init = MAC_CFG1_INIT;
if (pdata->mii_bus_dev && ag->pdev->id == 0) {
mpdata = pdata->mii_bus_dev->platform_data;
if (mpdata && mpdata->builtin_switch)
init |= MAC_CFG1_TFC | MAC_CFG1_RFC;
}
/* setup MAC configuration registers */
ag71xx_wr(ag, AG71XX_REG_MAC_CFG1, MAC_CFG1_INIT);
ag71xx_wr(ag, AG71XX_REG_MAC_CFG1, init);
ag71xx_sb(ag, AG71XX_REG_MAC_CFG2,
MAC_CFG2_PAD_CRC_EN | MAC_CFG2_LEN_CHECK);