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| author | Jakub Kicinski <kuba@kernel.org> | 2024-03-28 17:24:10 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-03-28 17:25:57 -0700 |
| commit | 5e47fbe5cefe5d25d1fa4481c1b9fbe602b4a69f (patch) | |
| tree | b86edc39098cca1d0e53e46dceec6ca856183642 /drivers/net/ethernet/microchip | |
| parent | Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf... (diff) | |
| parent | Merge tag 'net-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netd... (diff) | |
| download | linux-5e47fbe5cefe5d25d1fa4481c1b9fbe602b4a69f.tar.gz linux-5e47fbe5cefe5d25d1fa4481c1b9fbe602b4a69f.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
No conflicts, or adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/microchip')
| -rw-r--r-- | drivers/net/ethernet/microchip/lan743x_main.c | 18 | ||||
| -rw-r--r-- | drivers/net/ethernet/microchip/lan743x_main.h | 4 |
2 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c index bd8aa83b47e5..75a988c0bd79 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.c +++ b/drivers/net/ethernet/microchip/lan743x_main.c @@ -25,6 +25,8 @@ #define PCS_POWER_STATE_DOWN 0x6 #define PCS_POWER_STATE_UP 0x4 +#define RFE_RD_FIFO_TH_3_DWORDS 0x3 + static void pci11x1x_strap_get_status(struct lan743x_adapter *adapter) { u32 chip_rev; @@ -3272,6 +3274,21 @@ static void lan743x_full_cleanup(struct lan743x_adapter *adapter) lan743x_pci_cleanup(adapter); } +static void pci11x1x_set_rfe_rd_fifo_threshold(struct lan743x_adapter *adapter) +{ + u16 rev = adapter->csr.id_rev & ID_REV_CHIP_REV_MASK_; + + if (rev == ID_REV_CHIP_REV_PCI11X1X_B0_) { + u32 misc_ctl; + + misc_ctl = lan743x_csr_read(adapter, MISC_CTL_0); + misc_ctl &= ~MISC_CTL_0_RFE_READ_FIFO_MASK_; + misc_ctl |= FIELD_PREP(MISC_CTL_0_RFE_READ_FIFO_MASK_, + RFE_RD_FIFO_TH_3_DWORDS); + lan743x_csr_write(adapter, MISC_CTL_0, misc_ctl); + } +} + static int lan743x_hardware_init(struct lan743x_adapter *adapter, struct pci_dev *pdev) { @@ -3287,6 +3304,7 @@ static int lan743x_hardware_init(struct lan743x_adapter *adapter, pci11x1x_strap_get_status(adapter); spin_lock_init(&adapter->eth_syslock_spinlock); mutex_init(&adapter->sgmii_rw_lock); + pci11x1x_set_rfe_rd_fifo_threshold(adapter); } else { adapter->max_tx_channels = LAN743X_MAX_TX_CHANNELS; adapter->used_tx_channels = LAN743X_USED_TX_CHANNELS; diff --git a/drivers/net/ethernet/microchip/lan743x_main.h b/drivers/net/ethernet/microchip/lan743x_main.h index be79cb0ae5af..645bc048e52e 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.h +++ b/drivers/net/ethernet/microchip/lan743x_main.h @@ -26,6 +26,7 @@ #define ID_REV_CHIP_REV_MASK_ (0x0000FFFF) #define ID_REV_CHIP_REV_A0_ (0x00000000) #define ID_REV_CHIP_REV_B0_ (0x00000010) +#define ID_REV_CHIP_REV_PCI11X1X_B0_ (0x000000B0) #define FPGA_REV (0x04) #define FPGA_REV_GET_MINOR_(fpga_rev) (((fpga_rev) >> 8) & 0x000000FF) @@ -311,6 +312,9 @@ #define SGMII_CTL_LINK_STATUS_SOURCE_ BIT(8) #define SGMII_CTL_SGMII_POWER_DN_ BIT(1) +#define MISC_CTL_0 (0x920) +#define MISC_CTL_0_RFE_READ_FIFO_MASK_ GENMASK(6, 4) + /* Vendor Specific SGMII MMD details */ #define SR_VSMMD_PCS_ID1 0x0004 #define SR_VSMMD_PCS_ID2 0x0005 |