From 9df731a176aab8e03b984b681b1bea01ccff6644 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 06 Nov 2023 07:23:06 +0000
Subject: [PATCH] rk3568 rt uboot init
---
u-boot/drivers/phy/phy-rockchip-naneng-combphy.c | 231 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 229 insertions(+), 2 deletions(-)
diff --git a/u-boot/drivers/phy/phy-rockchip-naneng-combphy.c b/u-boot/drivers/phy/phy-rockchip-naneng-combphy.c
index 1867865..451a90f 100644
--- a/u-boot/drivers/phy/phy-rockchip-naneng-combphy.c
+++ b/u-boot/drivers/phy/phy-rockchip-naneng-combphy.c
@@ -22,7 +22,7 @@
struct rockchip_combphy_priv;
struct combphy_reg {
- u16 offset;
+ u32 offset;
u16 bitend;
u16 bitstart;
u16 disable;
@@ -37,6 +37,7 @@
struct combphy_reg pipe_rxterm_set;
struct combphy_reg pipe_txelec_set;
struct combphy_reg pipe_txcomp_set;
+ struct combphy_reg pipe_clk_24m;
struct combphy_reg pipe_clk_25m;
struct combphy_reg pipe_clk_100m;
struct combphy_reg pipe_phymode_sel;
@@ -62,6 +63,7 @@
struct combphy_reg pipe_xpcs_phy_ready;
struct combphy_reg u3otg0_port_en;
struct combphy_reg u3otg1_port_en;
+ struct combphy_reg pipe_phy_grf_reset;
};
struct rockchip_combphy_cfg {
@@ -179,6 +181,7 @@
static int rockchip_combphy_init(struct phy *phy)
{
struct rockchip_combphy_priv *priv = dev_get_priv(phy->dev);
+ const struct rockchip_combphy_grfcfg *cfg = priv->cfg->grfcfg;
int ret;
ret = clk_enable(&priv->ref_clk);
@@ -191,6 +194,9 @@
reset_deassert(&priv->phy_rst);
+ if (cfg->pipe_phy_grf_reset.enable)
+ param_write(priv->phy_grf, &cfg->pipe_phy_grf_reset, false);
+
return 0;
err_clk:
@@ -202,9 +208,13 @@
static int rockchip_combphy_exit(struct phy *phy)
{
struct rockchip_combphy_priv *priv = dev_get_priv(phy->dev);
+ const struct rockchip_combphy_grfcfg *cfg = priv->cfg->grfcfg;
- clk_disable(&priv->ref_clk);
+ if (cfg->pipe_phy_grf_reset.enable)
+ param_write(priv->phy_grf, &cfg->pipe_phy_grf_reset, true);
+
reset_assert(&priv->phy_rst);
+ clk_disable(&priv->ref_clk);
return 0;
}
@@ -291,6 +301,215 @@
return rockchip_combphy_parse_dt(udev, priv);
}
+
+static int rk3528_combphy_cfg(struct rockchip_combphy_priv *priv)
+{
+ const struct rockchip_combphy_grfcfg *cfg = priv->cfg->grfcfg;
+ u32 val;
+
+ switch (priv->mode) {
+ case PHY_TYPE_PCIE:
+ /* Set SSC downward spread spectrum */
+ val = readl(priv->mmio + 0x18);
+ val &= ~GENMASK(5, 4);
+ val |= 0x01 << 4;
+ writel(val, priv->mmio + 0x18);
+
+ param_write(priv->phy_grf, &cfg->con0_for_pcie, true);
+ param_write(priv->phy_grf, &cfg->con1_for_pcie, true);
+ param_write(priv->phy_grf, &cfg->con2_for_pcie, true);
+ param_write(priv->phy_grf, &cfg->con3_for_pcie, true);
+ break;
+ case PHY_TYPE_USB3:
+ /* Set SSC downward spread spectrum */
+ val = readl(priv->mmio + 0x18);
+ val &= ~GENMASK(5, 4);
+ val |= 0x01 << 4;
+ writel(val, priv->mmio + 0x18);
+
+ /* Enable adaptive CTLE for USB3.0 Rx */
+ val = readl(priv->mmio + 0x200);
+ val &= ~GENMASK(17, 17);
+ val |= 0x01;
+ writel(val, priv->mmio + 0x200);
+
+ param_write(priv->phy_grf, &cfg->pipe_txcomp_sel, false);
+ param_write(priv->phy_grf, &cfg->pipe_txelec_sel, false);
+ param_write(priv->phy_grf, &cfg->usb_mode_set, true);
+ break;
+ default:
+ dev_err(priv->dev, "incompatible PHY type\n");
+ return -EINVAL;
+ }
+
+ param_write(priv->phy_grf, &cfg->pipe_clk_100m, true);
+ if (priv->mode == PHY_TYPE_PCIE) {
+ /* PLL KVCO tuning fine */
+ val = readl(priv->mmio + 0x18);
+ val &= ~(0x7 << 10);
+ val |= 0x2 << 10;
+ writel(val, priv->mmio + 0x18);
+
+ /* su_trim[6:4]=111, [10:7]=1001, [2:0]=000 */
+ val = readl(priv->mmio + 0x108);
+ val &= ~(0x7f7);
+ val |= 0x4f0;
+ writel(val, priv->mmio + 0x108);
+ }
+
+ return 0;
+}
+
+static const struct rockchip_combphy_grfcfg rk3528_combphy_grfcfgs = {
+ /* pipe-phy-grf */
+ .pcie_mode_set = { 0x48000, 5, 0, 0x00, 0x11 },
+ .usb_mode_set = { 0x48000, 5, 0, 0x00, 0x04 },
+ .pipe_rxterm_set = { 0x48000, 12, 12, 0x00, 0x01 },
+ .pipe_txelec_set = { 0x48004, 1, 1, 0x00, 0x01 },
+ .pipe_txcomp_set = { 0x48004, 4, 4, 0x00, 0x01 },
+ .pipe_clk_24m = { 0x48004, 14, 13, 0x00, 0x00 },
+ .pipe_clk_100m = { 0x48004, 14, 13, 0x00, 0x02 },
+ .pipe_rxterm_sel = { 0x48008, 8, 8, 0x00, 0x01 },
+ .pipe_txelec_sel = { 0x48008, 12, 12, 0x00, 0x01 },
+ .pipe_txcomp_sel = { 0x48008, 15, 15, 0x00, 0x01 },
+ .pipe_clk_ext = { 0x4800c, 9, 8, 0x02, 0x01 },
+ .pipe_phy_status = { 0x48034, 6, 6, 0x01, 0x00 },
+ .con0_for_pcie = { 0x48000, 15, 0, 0x00, 0x110 },
+ .con1_for_pcie = { 0x48004, 15, 0, 0x00, 0x00 },
+ .con2_for_pcie = { 0x48008, 15, 0, 0x00, 0x101 },
+ .con3_for_pcie = { 0x4800c, 15, 0, 0x00, 0x0200 },
+ /* pipe-grf */
+ .u3otg0_port_en = { 0x40044, 15, 0, 0x0181, 0x1100 },
+};
+
+static const struct rockchip_combphy_cfg rk3528_combphy_cfgs = {
+ .grfcfg = &rk3528_combphy_grfcfgs,
+ .combphy_cfg = rk3528_combphy_cfg,
+};
+
+static int rk3562_combphy_cfg(struct rockchip_combphy_priv *priv)
+{
+ const struct rockchip_combphy_grfcfg *cfg = priv->cfg->grfcfg;
+ u32 val;
+
+ switch (priv->mode) {
+ case PHY_TYPE_PCIE:
+ /* Set SSC downward spread spectrum */
+ val = readl(priv->mmio + (0x1f << 2));
+ val &= ~GENMASK(5, 4);
+ val |= 0x01 << 4;
+ writel(val, priv->mmio + 0x7c);
+
+ param_write(priv->phy_grf, &cfg->con0_for_pcie, true);
+ param_write(priv->phy_grf, &cfg->con1_for_pcie, true);
+ param_write(priv->phy_grf, &cfg->con2_for_pcie, true);
+ param_write(priv->phy_grf, &cfg->con3_for_pcie, true);
+ break;
+ case PHY_TYPE_USB3:
+ /* Set SSC downward spread spectrum */
+ val = readl(priv->mmio + (0x1f << 2));
+ val &= ~GENMASK(5, 4);
+ val |= 0x01 << 4;
+ writel(val, priv->mmio + 0x7c);
+
+ /* Enable adaptive CTLE for USB3.0 Rx */
+ val = readl(priv->mmio + (0x0e << 2));
+ val &= ~GENMASK(0, 0);
+ val |= 0x01;
+ writel(val, priv->mmio + (0x0e << 2));
+
+ /* Set PLL KVCO fine tuning signals */
+ val = readl(priv->mmio + (0x20 << 2));
+ val &= ~(0x7 << 2);
+ val |= 0x2 << 2;
+ writel(val, priv->mmio + (0x20 << 2));
+
+ /* Set PLL LPF R1 to su_trim[10:7]=1001 */
+ writel(0x4, priv->mmio + (0xb << 2));
+
+ /* Set PLL input clock divider 1/2 */
+ val = readl(priv->mmio + (0x5 << 2));
+ val &= ~(0x3 << 6);
+ val |= 0x1 << 6;
+ writel(val, priv->mmio + (0x5 << 2));
+
+ /* Set PLL loop divider */
+ writel(0x32, priv->mmio + (0x11 << 2));
+
+ /* Set PLL KVCO to min and set PLL charge pump current to max */
+ writel(0xf0, priv->mmio + (0xa << 2));
+
+ param_write(priv->phy_grf, &cfg->pipe_sel_usb, true);
+ param_write(priv->phy_grf, &cfg->pipe_txcomp_sel, false);
+ param_write(priv->phy_grf, &cfg->pipe_txelec_sel, false);
+ param_write(priv->phy_grf, &cfg->usb_mode_set, true);
+ break;
+ default:
+ pr_err("%s, phy-type %d\n", __func__, priv->mode);
+ return -EINVAL;
+ }
+
+ clk_set_rate(&priv->ref_clk, 100000000);
+ param_write(priv->phy_grf, &cfg->pipe_clk_100m, true);
+
+ if (priv->mode == PHY_TYPE_PCIE) {
+ /* PLL KVCO tuning fine */
+ val = readl(priv->mmio + (0x20 << 2));
+ val &= ~(0x7 << 2);
+ val |= 0x2 << 2;
+ writel(val, priv->mmio + (0x20 << 2));
+
+ /* Enable controlling random jitter, aka RMJ */
+ writel(0x4, priv->mmio + (0xb << 2));
+
+ val = readl(priv->mmio + (0x5 << 2));
+ val &= ~(0x3 << 6);
+ val |= 0x1 << 6;
+ writel(val, priv->mmio + (0x5 << 2));
+
+ writel(0x32, priv->mmio + (0x11 << 2));
+ writel(0xf0, priv->mmio + (0xa << 2));
+ }
+
+ if (dev_read_bool(priv->dev, "rockchip,enable-ssc")) {
+ val = readl(priv->mmio + (0x7 << 2));
+ val |= BIT(4);
+ writel(val, priv->mmio + (0x7 << 2));
+ }
+
+ return 0;
+}
+
+static const struct rockchip_combphy_grfcfg rk3562_combphy_grfcfgs = {
+ /* pipe-phy-grf */
+ .pcie_mode_set = { 0x0000, 5, 0, 0x00, 0x11 },
+ .usb_mode_set = { 0x0000, 5, 0, 0x00, 0x04 },
+ .pipe_rxterm_set = { 0x0000, 12, 12, 0x00, 0x01 },
+ .pipe_txelec_set = { 0x0004, 1, 1, 0x00, 0x01 },
+ .pipe_txcomp_set = { 0x0004, 4, 4, 0x00, 0x01 },
+ .pipe_clk_25m = { 0x0004, 14, 13, 0x00, 0x01 },
+ .pipe_clk_100m = { 0x0004, 14, 13, 0x00, 0x02 },
+ .pipe_phymode_sel = { 0x0008, 1, 1, 0x00, 0x01 },
+ .pipe_rate_sel = { 0x0008, 2, 2, 0x00, 0x01 },
+ .pipe_rxterm_sel = { 0x0008, 8, 8, 0x00, 0x01 },
+ .pipe_txelec_sel = { 0x0008, 12, 12, 0x00, 0x01 },
+ .pipe_txcomp_sel = { 0x0008, 15, 15, 0x00, 0x01 },
+ .pipe_clk_ext = { 0x000c, 9, 8, 0x02, 0x01 },
+ .pipe_sel_usb = { 0x000c, 14, 13, 0x00, 0x01 },
+ .pipe_phy_status = { 0x0034, 6, 6, 0x01, 0x00 },
+ .con0_for_pcie = { 0x0000, 15, 0, 0x00, 0x1000 },
+ .con1_for_pcie = { 0x0004, 15, 0, 0x00, 0x0000 },
+ .con2_for_pcie = { 0x0008, 15, 0, 0x00, 0x0101 },
+ .con3_for_pcie = { 0x000c, 15, 0, 0x00, 0x0200 },
+ .pipe_phy_grf_reset = { 0x0014, 1, 0, 0x3, 0x1 },
+ /* pipe-grf */
+ .u3otg0_port_en = { 0x0094, 15, 0, 0x0181, 0x1100 },
+};
+
+static const struct rockchip_combphy_cfg rk3562_combphy_cfgs = {
+ .grfcfg = &rk3562_combphy_grfcfgs,
+ .combphy_cfg = rk3562_combphy_cfg,
+};
static int rk3568_combphy_cfg(struct rockchip_combphy_priv *priv)
{
@@ -565,6 +784,14 @@
static const struct udevice_id rockchip_combphy_ids[] = {
{
+ .compatible = "rockchip,rk3528-naneng-combphy",
+ .data = (ulong)&rk3528_combphy_cfgs
+ },
+ {
+ .compatible = "rockchip,rk3562-naneng-combphy",
+ .data = (ulong)&rk3562_combphy_cfgs
+ },
+ {
.compatible = "rockchip,rk3568-naneng-combphy",
.data = (ulong)&rk3568_combphy_cfgs
},
--
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