In message:
[linux-yocto][linux-yocto-6.6][v6.6/standard/intel-sdk-6.6/intel-socfpga &&
v6.6/standard/preempt-rt/intel-sdk-6.6/intel-socfpga][PATCH 1/1] dwmac_socfpga:
set auto-negotiation in fix_mac_speed for s10 board
on 16/09/2024 Liwei Song wrote:
> TSE PCS was droped in commit 5d1f3fe7d2d5 ("net: stmmac: dwmac-sogfpga:
> use the lynx pcs driver") but for stratix10 board, Auto-Negotiation
> bit of Register 48 (AN Control Register) can not be set correctly
> through Lynx PCS, this will casue ethernet port can not get
> ip address, set Auto-Negotiation in fix_mac_speed() as before
> can fix this issue.
>
> Signed-off-by: Liwei Song <liwei.s...@windriver.com>
> ---
merged.
Bruce
> drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
> b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
> index b691526eede7..a47da5438efa 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
> @@ -57,6 +57,9 @@
> #define SMTG_REG_0x13 0x13
> #define SMTG_TIME_SHIFT 16
>
> +#define TSE_PCS_CONTROL_AN_EN_MASK BIT(12)
> +#define TSE_PCS_CONTROL_REG 0x00
> +
> struct socfpga_dwmac;
> struct socfpga_dwmac_ops {
> int (*set_phy_mode)(struct socfpga_dwmac *dwmac_priv);
> @@ -111,9 +114,16 @@ static void socfpga_dwmac_fix_mac_speed(void *priv,
> unsigned int speed, unsigned
> writel(val, splitter_base + EMAC_SPLITTER_CTRL_REG);
> }
>
> - if (phy_dev && sgmii_adapter_base)
> + if (phy_dev && sgmii_adapter_base){
> writew(SGMII_ADAPTER_ENABLE,
> sgmii_adapter_base + SGMII_ADAPTER_CTRL_REG);
> +
> + if (phy_dev->autoneg == AUTONEG_ENABLE) {
> + val = readw(dwmac->tse_pcs_base + TSE_PCS_CONTROL_REG);
> + val |= TSE_PCS_CONTROL_AN_EN_MASK;
> + writew(val, dwmac->tse_pcs_base + TSE_PCS_CONTROL_REG);
> + }
> + }
> }
>
> static void get_smtgtime(struct mii_bus *mii, int smtg_addr,
> --
> 2.40.0
>
-=-=-=-=-=-=-=-=-=-=-=-
Links: You receive all messages sent to this group.
View/Reply Online (#14396):
https://lists.yoctoproject.org/g/linux-yocto/message/14396
Mute This Topic: https://lists.yoctoproject.org/mt/108481746/21656
Group Owner: linux-yocto+ow...@lists.yoctoproject.org
Unsubscribe: https://lists.yoctoproject.org/g/linux-yocto/unsub
[arch...@mail-archive.com]
-=-=-=-=-=-=-=-=-=-=-=-
