On Sat, Jul 20, 2024 at 6:47 PM E Shattow <luc...@gmail.com> wrote: > > Hi, I am testing on Milk-V Mars CM Lite, and I add to these devicetree > changes at runtime from board/starfive/visionfive2/spl.c > > On Thu, Jul 18, 2024 at 6:38 PM Minda Chen <minda.c...@starfivetech.com> > wrote: > > > > Add Jh7110 Cadence USB dts node, Visionfive2 default setting > > is USB 2.0 device. > > > > Signed-off-by: Minda Chen <minda.c...@starfivetech.com> > > --- > > .../dts/jh7110-starfive-visionfive-2.dtsi | 5 ++ > > arch/riscv/dts/jh7110.dtsi | 52 +++++++++++++++++++ > > 2 files changed, 57 insertions(+) > > > > diff --git a/arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi > > b/arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi > > index e11babc1cd..44785bbee3 100644 > > --- a/arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi > > +++ b/arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi > > @@ -378,3 +378,8 @@ > > }; > > }; > > }; > > + > > +&usb_cdns3 { > > + dr_mode = "peripheral"; > > + status = "okay"; > > +}; > > diff --git a/arch/riscv/dts/jh7110.dtsi b/arch/riscv/dts/jh7110.dtsi > > index 2cdc683d49..1eee924e1d 100644 > > --- a/arch/riscv/dts/jh7110.dtsi > > +++ b/arch/riscv/dts/jh7110.dtsi > > @@ -371,6 +371,58 @@ > > status = "disabled"; > > }; > > > > + usb0: usb@10100000 { > > + compatible = "starfive,jh7110-usb"; > > + ranges = <0x0 0x0 0x10100000 0x100000>; > > + #address-cells = <1>; > > + #size-cells = <1>; > > + starfive,stg-syscon = <&stg_syscon 0x4>; > > + clocks = <&stgcrg JH7110_STGCLK_USB_LPM>, > > + <&stgcrg JH7110_STGCLK_USB_STB>, > > + <&stgcrg JH7110_STGCLK_USB_APB>, > > + <&stgcrg JH7110_STGCLK_USB_AXI>, > > + <&stgcrg JH7110_STGCLK_USB_UTMI_APB>; > > + clock-names = "lpm", "stb", "apb", "axi", > > "utmi_apb"; > > + resets = <&stgcrg JH7110_STGRST_USB_PWRUP>, > > + <&stgcrg JH7110_STGRST_USB_APB>, > > + <&stgcrg JH7110_STGRST_USB_AXI>, > > + <&stgcrg JH7110_STGRST_USB_UTMI_APB>; > > + reset-names = "pwrup", "apb", "axi", "utmi_apb"; > > + > > + usb_cdns3: usb@0 { > > + compatible = "cdns,usb3"; > > + reg = <0x0 0x10000>, > > + <0x10000 0x10000>, > > + <0x20000 0x10000>; > > + reg-names = "otg", "xhci", "dev"; > > + interrupts = <100>, <108>, <110>; > > + interrupt-names = "host", "peripheral", > > "otg"; > > + phys = <&usbphy0>; > > + phy-names = "cdns3,usb2-phy"; > > + }; > > + }; > > + > > + usbphy0: phy@10200000 { > > + compatible = "starfive,jh7110-usb-phy"; > > + reg = <0x0 0x10200000 0x0 0x10000>; > > + clocks = <&syscrg JH7110_SYSCLK_USB_125M>, > > + <&stgcrg JH7110_STGCLK_USB_APP_125>; > > + clock-names = "125m", "app_125m"; > > + #phy-cells = <0>; > > + }; > > + > > + pciephy0: phy@10210000 { > > + compatible = "starfive,jh7110-pcie-phy"; > > + reg = <0x0 0x10210000 0x0 0x10000>; > > + #phy-cells = <0>; > > + }; > > + > > + pciephy1: phy@10220000 { > > + compatible = "starfive,jh7110-pcie-phy"; > > + reg = <0x0 0x10220000 0x0 0x10000>; > > + #phy-cells = <0>; > > + }; > > + > > stgcrg: clock-controller@10230000 { > > compatible = "starfive,jh7110-stgcrg"; > > reg = <0x0 0x10230000 0x0 0x10000>; > > -- > > 2.17.1 > > > > Access fault > > starting USB... > Bus usb@0: cdns-usb3-host usb@0: set 1 has failed, back to 0 > scanning bus usb@0 for devices... Unhandled exception: Load access > fault > EPC: 00000000fff85ce2 RA: 00000000fff85cdc TVAL: 0000000000000004 > EPC: 0000000040246ce2 RA: 0000000040246cdc reloc adjusted > > Code: 9863 3ee7 8526 f0ef c37f 651c 3a03 0105 (43dc) > > > resetting ... > > when I add only these: > > int offset; > > offset = fdt_path_offset(fdt, "/soc/pinctrl@13040000"); /* &sysgpio */ > fdt_add_subnode(fdt, offset, "usb0-0"); > fdt_setprop_string(fdt, fdt_path_offset(fdt, "/__symbols__"), > "usb_pins", "/soc/pinctrl@13040000/usb0-0"); > offset = fdt_path_offset(fdt, "/soc/pinctrl@13040000/usb0-0"); > /* usb_pins */ > fdt_create_phandle(fdt, offset); > fdt_add_subnode(fdt, offset, "driver-vbus-pin"); > offset = fdt_path_offset(fdt, > "/soc/pinctrl@13040000/usb0-0/driver-vbus-pin"); > fdt_setprop_u32(fdt, offset, "pinmux", 0xff070019); /* > GPIOMUX(25, GPOUT_SYS_USB_DRIVE_VBUS, GPOEN_ENABLE, GPI_NONE) */ > fdt_setprop_empty(fdt, offset, "bias-disable"); > fdt_setprop_empty(fdt, offset, "input-disable"); > fdt_setprop_empty(fdt, offset, "input-schmitt-disable"); > fdt_setprop_u32(fdt, offset, "slew-rate", 0); > > offset = fdt_path_offset(fdt, "/soc/usb@10100000"); /* &usb0 */ > fdt_setprop_string(fdt, offset, "pinctrl-names", "default"); > fdt_setprop_u32(fdt, offset, "pinctrl-0", fdt_get_phandle(fdt, > fdt_path_offset(fdt, "/soc/pinctrl@13040000/usb0-0"))); > fdt_setprop_string(fdt, offset, "status", "okay"); > > offset = fdt_path_offset(fdt, "/soc/usb@10100000/usb@0"); /* > &usb_cdns3 */ > fdt_setprop_string(fdt, offset, "dr_mode", "host"); > > Success USB is working but PCI disabled if instead I add all of this: > > int offset; > > offset = fdt_path_offset(fdt, "/soc/pinctrl@13040000"); /* &sysgpio */ > fdt_add_subnode(fdt, offset, "usb0-0"); > fdt_setprop_string(fdt, fdt_path_offset(fdt, "/__symbols__"), > "usb_pins", "/soc/pinctrl@13040000/usb0-0"); > offset = fdt_path_offset(fdt, "/soc/pinctrl@13040000/usb0-0"); > /* usb_pins */ > fdt_create_phandle(fdt, offset); > fdt_add_subnode(fdt, offset, "driver-vbus-pin"); > offset = fdt_path_offset(fdt, > "/soc/pinctrl@13040000/usb0-0/driver-vbus-pin"); > fdt_setprop_u32(fdt, offset, "pinmux", 0xff070019); /* > GPIOMUX(25, GPOUT_SYS_USB_DRIVE_VBUS, GPOEN_ENABLE, GPI_NONE) */ > fdt_setprop_empty(fdt, offset, "bias-disable"); > fdt_setprop_empty(fdt, offset, "input-disable"); > fdt_setprop_empty(fdt, offset, "input-schmitt-disable"); > fdt_setprop_u32(fdt, offset, "slew-rate", 0); > > offset = fdt_path_offset(fdt, "/soc/pcie@2b000000"); /* &pcie0 */ > fdt_setprop_string(fdt, offset, "status", "disabled"); > > offset = fdt_path_offset(fdt, "/soc/phy@10210000"); /* &pciephy0 */ > fdt_setprop_u32(fdt, offset, "starfive,sys-syscon", > fdt_get_phandle(fdt, fdt_path_offset(fdt, > "/soc/sys_syscon@13030000"))); /* = <&sys_syscon> */ > fdt_appendprop_u32(fdt, offset, "starfive,sys-syscon", 0x18); > /* append <magic number> */ > fdt_setprop_u32(fdt, offset, "starfive,stg-syscon", > fdt_get_phandle(fdt, fdt_path_offset(fdt, > "/soc/stg_syscon@10240000"))); /* = <&stg_syscon> */ > fdt_appendprop_u32(fdt, offset, "starfive,stg-syscon", 0x148); > /* append <magic number> */ > fdt_appendprop_u32(fdt, offset, "starfive,stg-syscon", 0x1f4); > /* append <magic number> */ > fdt_setprop_string(fdt, offset, "status", "okay"); > > offset = fdt_path_offset(fdt, "/soc/usb@10100000"); /* &usb0 */ > fdt_setprop_string(fdt, offset, "pinctrl-names", "default"); > fdt_setprop_u32(fdt, offset, "pinctrl-0", fdt_get_phandle(fdt, > fdt_path_offset(fdt, "/soc/pinctrl@13040000/usb0-0"))); > fdt_setprop_string(fdt, offset, "status", "okay"); > > offset = fdt_path_offset(fdt, "/soc/usb@10100000/usb@0"); /* > &usb_cdns3 */ > fdt_setprop_u32(fdt, offset, "phys", > fdt_get_phandle(fdt, fdt_path_offset(fdt, "/soc/phy@10200000"))); /* = > <&usbphy0> */ > fdt_appendprop_u32(fdt, offset, "phys", > fdt_get_phandle(fdt, fdt_path_offset(fdt, "/soc/phy@10210000"))); /* > append <&pciephy0> */ > fdt_setprop(fdt, offset, "phy-names", > "cdns3,usb2-phy\0cdns3,usb3-phy", > sizeof("cdns3,usb2-phy\0cdns3,usb3-phy")); > fdt_setprop_string(fdt, offset, "dr_mode", "host"); > > I have made some mistake for devicetree and USB2.0 with keeping pcie0 > (not disable)? or is there a problem with the implementation? > > Best regards, -E Shattow
P.S. here is with debug logging: drivers/core/ofnode.c:517- ofnode_read_prop() ofnode_read_prop: assigned-clock-rates: <not found> drivers/core/uclass.c:537-uclass_get_device_by_ofnode() Looking for phy@10200000 drivers/core/uclass.c:388-uclass_find_device_by_ofnode() Looking for phy@10200000 drivers/core/uclass.c:407-uclass_find_device_by_ofnode() - result for phy@10200000: phy@10200000 (ret=0) drivers/core/uclass.c:540-uclass_get_device_by_ofnode() - result for phy@10200000: phy@10200000 (ret=0) drivers/core/ofnode.c:517- ofnode_read_prop() ofnode_read_prop: assigned-clock-rates: <not found> drivers/core/uclass.c:537-uclass_get_device_by_ofnode() Looking for clock-controller@13020000 drivers/core/uclass.c:388-uclass_find_device_by_ofnode() Looking for clock-controller@13020000 drivers/core/uclass.c:407-uclass_find_device_by_ofnode() - result for clock-controller@13020000: clock-controller@13020000 (ret=0) drivers/core/uclass.c:540-uclass_get_device_by_ofnode() - result for clock-controller@13020000: clock-controller@13020000 (ret=0) drivers/core/uclass.c:537-uclass_get_device_by_ofnode() Looking for clock-controller@10230000 drivers/core/uclass.c:388-uclass_find_device_by_ofnode() Looking for clock-controller@10230000 drivers/core/uclass.c:407-uclass_find_device_by_ofnode() - result for clock-controller@10230000: clock-controller@10230000 (ret=0) drivers/core/uclass.c:540-uclass_get_device_by_ofnode() - result for clock-controller@10230000: clock-controller@10230000 (ret=0) common/event.c:113- notify_dynamic() Sending event 5/(unknown) to spy 'efi_disk add' drivers/usb/cdns3/drd.c:287- cdns3_drd_init() cdns-usb3-host usb@0: DRD version v1 (ID: 0004024e, rev: 00000200) drivers/usb/cdns3/drd.c:297- cdns3_drd_init() cdns-usb3-host usb@0: Controller strapped to HOST drivers/core/ofnode.c:517- ofnode_read_prop() ofnode_read_prop: dr_mode: host drivers/phy/starfive/phy-jh7110-usb2.c:58- usb2_phy_set_mode() jh7110_usb2_phy phy@10200000: Changing phy to 1 drivers/usb/cdns3/core.c:304-cdns3_hw_role_switch() cdns-usb3-host usb@0: Switching role 0 -> 1cdns-usb3-host usb@0: Waiting till Host mode is turned on drivers/usb/cdns3/core.c:309-cdns3_hw_role_switch() cdns-usb3-host usb@0: set 1 has failed, back to 0 drivers/usb/cdns3/core.c:375- cdns3_probe() cdns-usb3-host usb@0: Cadence USB3 core: probe succeed common/event.c:113- notify_dynamic() Sending event 5/(unknown) to spy 'efi_disk add' drivers/core/ofnode.c:394-ofnode_read_u32_index() ofnode_read_u32_index: companion: (not found) scanning bus usb@0 for devices... Unhandled exception: Load access fault EPC: 00000000fff7f50e RA: 00000000fff7f508 TVAL: 0000000000000004 EPC: 000000004024d50e RA: 000000004024d508 reloc adjusted Code: 9863 3ee7 8526 f0ef c37f 651c 3a03 0105 (43dc) resetting ... -E