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-rw-r--r--drivers/phy/rockchip/phy-rockchip-snps-pcie3.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/phy/rockchip/phy-rockchip-snps-pcie3.c b/drivers/phy/rockchip/phy-rockchip-snps-pcie3.c
index 1c94875aaaf..fadb77c25cf 100644
--- a/drivers/phy/rockchip/phy-rockchip-snps-pcie3.c
+++ b/drivers/phy/rockchip/phy-rockchip-snps-pcie3.c
@@ -108,7 +108,7 @@ static int rockchip_p3phy_rk3588_init(struct phy *phy)
{
struct rockchip_p3phy_priv *priv = dev_get_priv(phy->dev);
u32 reg = 0;
- u8 mode = 0;
+ u8 mode = RK3588_LANE_AGGREGATION; /* Lane aggregation by default */
int ret;
/* Deassert PCIe PMA output clamp mode */
@@ -117,28 +117,20 @@ static int rockchip_p3phy_rk3588_init(struct phy *phy)
/* Set bifurcation if needed */
for (int i = 0; i < priv->num_lanes; i++) {
- if (!priv->lanes[i])
- mode |= (BIT(i) << 3);
-
if (priv->lanes[i] > 1)
- mode |= (BIT(i) >> 1);
- }
-
- if (!mode) {
- reg = RK3588_LANE_AGGREGATION;
- } else {
- if (mode & (BIT(0) | BIT(1)))
- reg |= RK3588_BIFURCATION_LANE_0_1;
-
- if (mode & (BIT(2) | BIT(3)))
- reg |= RK3588_BIFURCATION_LANE_2_3;
+ mode &= ~RK3588_LANE_AGGREGATION;
+ if (priv->lanes[i] == 3)
+ mode |= RK3588_BIFURCATION_LANE_0_1;
+ if (priv->lanes[i] == 4)
+ mode |= RK3588_BIFURCATION_LANE_2_3;
}
+ reg = mode;
regmap_write(priv->phy_grf, RK3588_PCIE3PHY_GRF_CMN_CON0,
(0x7 << 16) | reg);
/* Set pcie1ln_sel in PHP_GRF_PCIESEL_CON */
- reg = (mode & (BIT(6) | BIT(7))) >> 6;
+ reg = mode & 3;
if (reg)
regmap_write(priv->pipe_grf, PHP_GRF_PCIESEL_CON,
(reg << 16) | reg);