> Date: Tue, 06 Feb 2024 22:37:50 +0900
> From: SASANO Takayoshi <[email protected]>
>
> Hello,
>
> I am working for H616 since OrangePi Zero2...
>
> Here's the diff. sximmc.c is reconstructed.
Hi,
> Index: ehci_fdt.c
> ===================================================================
> RCS file: /cvs/src/sys/dev/fdt/ehci_fdt.c,v
> diff -u -p -r1.11 ehci_fdt.c
> --- ehci_fdt.c 26 Jan 2024 17:11:50 -0000 1.11
> +++ ehci_fdt.c 6 Feb 2024 12:48:22 -0000
> @@ -207,6 +207,7 @@ struct ehci_phy ehci_phys[] = {
> { "allwinner,sun8i-v3s-usb-phy", sun4i_phy_init },
> { "allwinner,sun20i-d1-usb-phy", sun4i_phy_init },
> { "allwinner,sun50i-h6-usb-phy", sun4i_phy_init },
> + { "allwinner,sun50i-h616-usb-phy", sun4i_phy_init },
> { "allwinner,sun50i-a64-usb-phy", sun4i_phy_init },
> { "allwinner,sun9i-a80-usb-phy", sun9i_phy_init },
> };
> @@ -287,6 +288,62 @@ ehci_init_phys(struct ehci_fdt_softc *sc
> #define SUNXI_AHB_INCR16 (1 << 11)
>
> void
> +sun50i_h616_phy2_init(struct ehci_fdt_softc *sc, int node)
> +{
> + int len, idx;
> + uint32_t *reg, val;
> + bus_size_t size;
> + bus_space_handle_t ioh;
> +
> + /*
> + * to access USB2-PHY register, get address from "reg" property of
> + * current "allwinner,...-usb-phy" node
> + */
> + len = OF_getproplen(node, "reg");
> + if (len <= 0)
> + goto out;
> +
> + reg = malloc(len, M_TEMP, M_WAITOK);
> + OF_getpropintarray(node, "reg", reg, len);
> +
> + idx = OF_getindex(node, "pmu2", "reg-names");
> + if (idx < 0 || (idx + 1) > (len / (sizeof(uint32_t) * 2))) {
> + printf(": no phy2 register\n");
> + goto free;
> + }
> +
> + /* convert "reg-names" index to "reg" (address-size pair) index */
> + idx *= 2;
> +
> + size = reg[idx + 1];
> + if (bus_space_map(sc->sc.iot, reg[idx], size, 0, &ioh)) {
> + printf(": can't map phy2 registers\n");
> + goto free;
> + }
> +
> + clock_enable(node, "usb2_phy");
> + reset_deassert(node, "usb2_reset");
> + clock_enable(node, "pmu2_clk");
> +
> + /*
> + * address is offset from "pmu2", not EHCI2 base address
> + * (normally it points EHCI2 base address + 0x810)
> + */
> + val = bus_space_read_4(sc->sc.iot, ioh, 0x10);
> + val &= ~(1 << 3); /* clear SIDDQ */
> + bus_space_write_4(sc->sc.iot, ioh, 0x10, val);
> +
> + clock_disable(node, "pmu2_clk");
> + /* "usb2_reset" and "usb2_phy" unchanged */
> +
> + bus_space_unmap(sc->sc.iot, ioh, size);
> +free:
> + free(reg, M_TEMP, len);
> +out:
> + return;
> +}
This will be easier if we turn the Allwinner USB PHY code into a
proper driver, but it is fine for now.
> +
> +void
> sun4i_phy_init(struct ehci_fdt_softc *sc, uint32_t *cells)
> {
> uint32_t vbus_supply;
> @@ -298,6 +355,11 @@ sun4i_phy_init(struct ehci_fdt_softc *sc
> if (node == -1)
> return;
>
> + /* Allwinner H616 needs to clear PHY2's SIDDQ flag */
> + if (OF_is_compatible(node, "allwinner,sun50i-h616-usb-phy") &&
> + cells[1] != 2)
> + sun50i_h616_phy2_init(sc, node);
> +
> val = bus_space_read_4(sc->sc.iot, sc->sc.ioh, SUNXI_HCI_ICR);
> val |= SUNXI_AHB_INCR8 | SUNXI_AHB_INCR4;
> val |= SUNXI_AHB_INCRX_ALIGN;
> @@ -318,6 +380,13 @@ sun4i_phy_init(struct ehci_fdt_softc *sc
> } else if (OF_is_compatible(node, "allwinner,sun20i-d1-usb-phy")) {
> val = bus_space_read_4(sc->sc.iot, sc->sc.ioh, 0x810);
> val &= ~(1 << 3);
> + bus_space_write_4(sc->sc.iot, sc->sc.ioh, 0x810, val);
> + }
> + if (OF_is_compatible(node, "allwinner,sun50i-h616-usb-phy") ||
> + OF_is_compatible(node, "allwinner,sun50i-a83t-usb-phy")) {
There is no sun50i-a83t; you probably meant sun8i-a83t here, but I
don't think it is worth bothering about the A83T SoC, since it is
armv7 and pretty old.
> + val = bus_space_read_4(sc->sc.iot, sc->sc.ioh, 0x810);
> + val |= 1 << 5; /* set VBUSVLDEXT */
The Linux driver sets this bit for Allwinner D1 too, so you can simply
merge this with the sun50i-d1 case.
> + val &= ~(1 << 3); /* clear SIDDQ */
> bus_space_write_4(sc->sc.iot, sc->sc.ioh, 0x810, val);
> }
>
