提交 877c8570 编写于 作者: S Stephen Hemminger 提交者: David S. Miller

sky2: workarounds for Yukon-2 supreme

Changes related to support of Yukon supreme chip.
Don't have this chip version to test on,
these are reverse engineered from the vendor (GPL) driver.
Signed-off-by: NStephen Hemminger <shemminger@vyatta.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 d6b54d24
......@@ -787,8 +787,7 @@ static void sky2_set_tx_stfwd(struct sky2_hw *hw, unsigned port)
if ( (hw->chip_id == CHIP_ID_YUKON_EX &&
hw->chip_rev != CHIP_REV_YU_EX_A0) ||
hw->chip_id == CHIP_ID_YUKON_FE_P ||
hw->chip_id == CHIP_ID_YUKON_SUPR) {
hw->chip_id >= CHIP_ID_YUKON_FE_P) {
/* Yukon-Extreme B0 and further Extreme devices */
/* enable Store & Forward mode for TX */
......@@ -1404,6 +1403,31 @@ static int sky2_rx_start(struct sky2_port *sky2)
/* Tell chip about available buffers */
sky2_rx_update(sky2, rxq);
if (hw->chip_id == CHIP_ID_YUKON_EX ||
hw->chip_id == CHIP_ID_YUKON_SUPR) {
/*
* Disable flushing of non ASF packets;
* must be done after initializing the BMUs;
* drivers without ASF support should do this too, otherwise
* it may happen that they cannot run on ASF devices;
* remember that the MAC FIFO isn't reset during initialization.
*/
sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), RX_MACSEC_FLUSH_OFF);
}
if (hw->chip_id >= CHIP_ID_YUKON_SUPR) {
/* Enable RX Home Address & Routing Header checksum fix */
sky2_write16(hw, SK_REG(sky2->port, RX_GMF_FL_CTRL),
RX_IPV6_SA_MOB_ENA | RX_IPV6_DA_MOB_ENA);
/* Enable TX Home Address & Routing Header checksum fix */
sky2_write32(hw, Q_ADDR(txqaddr[sky2->port], Q_TEST),
TBMU_TEST_HOME_ADD_FIX_EN | TBMU_TEST_ROUTING_ADD_FIX_EN);
}
return 0;
nomem:
sky2_rx_clean(sky2);
......@@ -2992,6 +3016,12 @@ static void sky2_reset(struct sky2_hw *hw)
sky2_write16(hw, SK_REG(i, GMAC_CTRL),
GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON
| GMC_BYP_RETR_ON);
}
if (hw->chip_id == CHIP_ID_YUKON_SUPR && hw->chip_rev > CHIP_REV_YU_SU_B0) {
/* enable MACSec clock gating */
sky2_pci_write32(hw, PCI_DEV_REG3, P_CLK_MACSEC_DIS);
}
/* Clear I2C IRQ noise */
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册