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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. This is an updated version
of the previously reverted commit with the same name.
It improves the check for MACs connected to a built-in switch

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2016-06-14 11:27:20 +02:00
parent 9493613e94
commit 26b8db2537
3 changed files with 11 additions and 1 deletions
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6
target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
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@ -907,6 +907,7 @@ void __init ath79_register_eth(unsigned int id)
pdata->speed = SPEED_1000;
pdata->duplex = DUPLEX_FULL;
pdata->switch_data = &ath79_switch_data;
pdata->builtin_switch = 1;
ath79_switch_data.phy_poll_mask |= BIT(4);
}
@ -951,6 +952,7 @@ void __init ath79_register_eth(unsigned int id)
pdata->has_gbit = 1;
pdata->duplex = DUPLEX_FULL;
pdata->switch_data = &ath79_switch_data;
pdata->builtin_switch = 1;
ath79_switch_data.phy_poll_mask |= BIT(4);
}
@ -979,6 +981,7 @@ void __init ath79_register_eth(unsigned int id)
pdata->set_speed = ath79_set_speed_dummy;
pdata->switch_data = &ath79_switch_data;
pdata->builtin_switch = 1;
/* reset the built-in switch */
ath79_device_reset_set(AR934X_RESET_ETH_SWITCH);
@ -1015,6 +1018,7 @@ void __init ath79_register_eth(unsigned int id)
pdata->speed = SPEED_1000;
pdata->duplex = DUPLEX_FULL;
pdata->switch_data = &ath79_switch_data;
pdata->builtin_switch = 1;
ath79_switch_data.phy_poll_mask |= BIT(4);
}
@ -1040,6 +1044,7 @@ void __init ath79_register_eth(unsigned int id)
pdata->reset_bit = QCA955X_RESET_GE1_MAC |
QCA955X_RESET_GE1_MDIO;
pdata->set_speed = qca955x_set_speed_sgmii;
pdata->builtin_switch = 1;
}
pdata->has_gbit = 1;
@ -1083,6 +1088,7 @@ void __init ath79_register_eth(unsigned int id)
pdata->speed = SPEED_1000;
pdata->duplex = DUPLEX_FULL;
pdata->builtin_switch = 1;
/* reset the built-in switch */
ath79_device_reset_set(AR934X_RESET_ETH_SWITCH);

1
target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h
View File

@ -36,6 +36,7 @@ struct ag71xx_platform_data {
u8 is_ar7240:1;
u8 is_ar724x:1;
u8 has_ar8216:1;
u8 builtin_switch:1;
struct ag71xx_switch_platform_data *switch_data;

5
target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
View File

@ -453,9 +453,12 @@ 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);
u32 init = MAC_CFG1_INIT;
/* setup MAC configuration registers */
ag71xx_wr(ag, AG71XX_REG_MAC_CFG1, MAC_CFG1_INIT);
if (pdata->builtin_switch)
init |= MAC_CFG1_TFC | MAC_CFG1_RFC;
ag71xx_wr(ag, AG71XX_REG_MAC_CFG1, init);
ag71xx_sb(ag, AG71XX_REG_MAC_CFG2,
MAC_CFG2_PAD_CRC_EN | MAC_CFG2_LEN_CHECK);