| Message ID | 20190319090750.8923-2-uboot@andestech.com |
|---|---|
| State | Superseded |
| Delegated to: | Andes |
| Headers | show |
| Series | AE350 SMP support RISC-V | expand |
Hi Rick, On Tue, Mar 19, 2019 at 5:11 PM Andes <uboot@andestech.com> wrote: > > From: Rick Chen <rick@andestech.com> > > To enumerate devices on the /soc/ node, create a "simple-bus" > driver to match "andestech,riscv-ae350-soc". > Could we change the /soc/ node compatible string to "simple-bus" instead? The QEMU 'virt' created a bad example and we should stop the contamination. > Signed-off-by: Rick Chen <rick@andestech.com> > Cc: Greentime Hu <greentime@andestech.com> > --- > arch/riscv/cpu/ax25/cpu.c | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > Regards, Bin
Hi Bin Bin Meng <bmeng.cn@gmail.com> 於 2019年3月20日 週三 下午3:22寫道： > > Hi Rick, > > On Tue, Mar 19, 2019 at 5:11 PM Andes <uboot@andestech.com> wrote: > > > > From: Rick Chen <rick@andestech.com> > > > > To enumerate devices on the /soc/ node, create a "simple-bus" > > driver to match "andestech,riscv-ae350-soc". > > > > Could we change the /soc/ node compatible string to "simple-bus" > instead? The QEMU 'virt' created a bad example and we should stop the > contamination. > Do you mean change the .compatible = "andestech,riscv-ae350-soc", as "simple-bus" ??? I don't understand it. Can you explain more clearly Thanks Rick > > Signed-off-by: Rick Chen <rick@andestech.com> > > Cc: Greentime Hu <greentime@andestech.com> > > --- > > arch/riscv/cpu/ax25/cpu.c | 16 ++++++++++++++++ > > 1 file changed, 16 insertions(+) > > > > Regards, > Bin
Hi Rick, On Thu, Mar 21, 2019 at 2:49 PM Rick Chen <rickchen36@gmail.com> wrote: > > Hi Bin > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月20日 週三 下午3:22寫道： > > > > Hi Rick, > > > > On Tue, Mar 19, 2019 at 5:11 PM Andes <uboot@andestech.com> wrote: > > > > > > From: Rick Chen <rick@andestech.com> > > > > > > To enumerate devices on the /soc/ node, create a "simple-bus" > > > driver to match "andestech,riscv-ae350-soc". > > > > > > > Could we change the /soc/ node compatible string to "simple-bus" > > instead? The QEMU 'virt' created a bad example and we should stop the > > contamination. > > > > Do you mean change the > .compatible = "andestech,riscv-ae350-soc", > as "simple-bus" ??? Yes, I mean changing the /soc/ node compatible string in arch/riscv/dts/ae350_{32,64}.dts to "simpble-bus". > > I don't understand it. > Can you explain more clearly > Regards, Bin
Hi Bin Bin Meng <bmeng.cn@gmail.com> 於 2019年3月21日 週四 下午3:01寫道： > > Hi Rick, > > On Thu, Mar 21, 2019 at 2:49 PM Rick Chen <rickchen36@gmail.com> wrote: > > > > Hi Bin > > > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月20日 週三 下午3:22寫道： > > > > > > Hi Rick, > > > > > > On Tue, Mar 19, 2019 at 5:11 PM Andes <uboot@andestech.com> wrote: > > > > > > > > From: Rick Chen <rick@andestech.com> > > > > > > > > To enumerate devices on the /soc/ node, create a "simple-bus" > > > > driver to match "andestech,riscv-ae350-soc". > > > > > > > > > > Could we change the /soc/ node compatible string to "simple-bus" > > > instead? The QEMU 'virt' created a bad example and we should stop the > > > contamination. > > > > > > > Do you mean change the > > .compatible = "andestech,riscv-ae350-soc", > > as "simple-bus" ??? > > Yes, I mean changing the /soc/ node compatible string in > arch/riscv/dts/ae350_{32,64}.dts to "simpble-bus". > So you mean we shall have only riscv simple bus driver. We shall remove U_BOOT_DRIVER(riscv_virtio_soc) in /arch/riscv/cpu/generic/cpu.c U_BOOT_DRIVER(riscv_ae350_soc_ids) in /arch/riscv/cpu/ax25/cpu.c and add static const struct udevice_id riscv_simple_bus_ids[] = { { .compatible = "simple-bus", }, { } }; U_BOOT_DRIVER(riscv_simple_bus_ids) = { .name = "simple-bus", .id = UCLASS_SIMPLE_BUS, .of_match = riscv_simple_bus_ids, .flags = DM_FLAG_PRE_RELOC, }; Does it right ? Rick > > > > I don't understand it. > > Can you explain more clearly > > > > Regards, > Bin
Hi Rick, On Thu, Mar 21, 2019 at 4:27 PM Rick Chen <rickchen36@gmail.com> wrote: > > Hi Bin > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月21日 週四 下午3:01寫道： > > > > Hi Rick, > > > > On Thu, Mar 21, 2019 at 2:49 PM Rick Chen <rickchen36@gmail.com> wrote: > > > > > > Hi Bin > > > > > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月20日 週三 下午3:22寫道： > > > > > > > > Hi Rick, > > > > > > > > On Tue, Mar 19, 2019 at 5:11 PM Andes <uboot@andestech.com> wrote: > > > > > > > > > > From: Rick Chen <rick@andestech.com> > > > > > > > > > > To enumerate devices on the /soc/ node, create a "simple-bus" > > > > > driver to match "andestech,riscv-ae350-soc". > > > > > > > > > > > > > Could we change the /soc/ node compatible string to "simple-bus" > > > > instead? The QEMU 'virt' created a bad example and we should stop the > > > > contamination. > > > > > > > > > > Do you mean change the > > > .compatible = "andestech,riscv-ae350-soc", > > > as "simple-bus" ??? > > > > Yes, I mean changing the /soc/ node compatible string in > > arch/riscv/dts/ae350_{32,64}.dts to "simpble-bus". > > > > So you mean we shall have only riscv simple bus driver. > We shall remove > U_BOOT_DRIVER(riscv_virtio_soc) in /arch/riscv/cpu/generic/cpu.c > U_BOOT_DRIVER(riscv_ae350_soc_ids) in /arch/riscv/cpu/ax25/cpu.c > and add > static const struct udevice_id riscv_simple_bus_ids[] = { > { > .compatible = "simple-bus", > }, > { } > }; > > U_BOOT_DRIVER(riscv_simple_bus_ids) = { > .name = "simple-bus", > .id = UCLASS_SIMPLE_BUS, > .of_match = riscv_simple_bus_ids, > .flags = DM_FLAG_PRE_RELOC, > }; > > Does it right ? No, you don't need add anything to the RISC-V codes. U-Boot provides a simple-bus driver and all you need do is to use "simple-bus" in your DTS files. Regards, Bin
Bin Meng <bmeng.cn@gmail.com> 於 2019年3月21日 週四 下午4:49寫道： > > Hi Rick, > > On Thu, Mar 21, 2019 at 4:27 PM Rick Chen <rickchen36@gmail.com> wrote: > > > > Hi Bin > > > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月21日 週四 下午3:01寫道： > > > > > > Hi Rick, > > > > > > On Thu, Mar 21, 2019 at 2:49 PM Rick Chen <rickchen36@gmail.com> wrote: > > > > > > > > Hi Bin > > > > > > > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月20日 週三 下午3:22寫道： > > > > > > > > > > Hi Rick, > > > > > > > > > > On Tue, Mar 19, 2019 at 5:11 PM Andes <uboot@andestech.com> wrote: > > > > > > > > > > > > From: Rick Chen <rick@andestech.com> > > > > > > > > > > > > To enumerate devices on the /soc/ node, create a "simple-bus" > > > > > > driver to match "andestech,riscv-ae350-soc". > > > > > > > > > > > > > > > > Could we change the /soc/ node compatible string to "simple-bus" > > > > > instead? The QEMU 'virt' created a bad example and we should stop the > > > > > contamination. > > > > > > > > > > > > > Do you mean change the > > > > .compatible = "andestech,riscv-ae350-soc", > > > > as "simple-bus" ??? > > > > > > Yes, I mean changing the /soc/ node compatible string in > > > arch/riscv/dts/ae350_{32,64}.dts to "simpble-bus". > > > > > > > So you mean we shall have only riscv simple bus driver. > > We shall remove > > U_BOOT_DRIVER(riscv_virtio_soc) in /arch/riscv/cpu/generic/cpu.c > > U_BOOT_DRIVER(riscv_ae350_soc_ids) in /arch/riscv/cpu/ax25/cpu.c > > and add > > static const struct udevice_id riscv_simple_bus_ids[] = { > > { > > .compatible = "simple-bus", > > }, > > { } > > }; > > > > U_BOOT_DRIVER(riscv_simple_bus_ids) = { > > .name = "simple-bus", > > .id = UCLASS_SIMPLE_BUS, > > .of_match = riscv_simple_bus_ids, > > .flags = DM_FLAG_PRE_RELOC, > > }; > > > > Does it right ? > > No, you don't need add anything to the RISC-V codes. U-Boot provides a > simple-bus driver and all you need do is to use "simple-bus" in your > DTS files. > But if I only use "simple-bus" in DTS file. It will fail in syscon_get_first_range that can not get correct information from reg. > Regards, > Bin
Hi Rick, On Thu, Mar 21, 2019 at 5:00 PM Rick Chen <rickchen36@gmail.com> wrote: > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月21日 週四 下午4:49寫道： > > > > Hi Rick, > > > > On Thu, Mar 21, 2019 at 4:27 PM Rick Chen <rickchen36@gmail.com> wrote: > > > > > > Hi Bin > > > > > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月21日 週四 下午3:01寫道： > > > > > > > > Hi Rick, > > > > > > > > On Thu, Mar 21, 2019 at 2:49 PM Rick Chen <rickchen36@gmail.com> wrote: > > > > > > > > > > Hi Bin > > > > > > > > > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月20日 週三 下午3:22寫道： > > > > > > > > > > > > Hi Rick, > > > > > > > > > > > > On Tue, Mar 19, 2019 at 5:11 PM Andes <uboot@andestech.com> wrote: > > > > > > > > > > > > > > From: Rick Chen <rick@andestech.com> > > > > > > > > > > > > > > To enumerate devices on the /soc/ node, create a "simple-bus" > > > > > > > driver to match "andestech,riscv-ae350-soc". > > > > > > > > > > > > > > > > > > > Could we change the /soc/ node compatible string to "simple-bus" > > > > > > instead? The QEMU 'virt' created a bad example and we should stop the > > > > > > contamination. > > > > > > > > > > > > > > > > Do you mean change the > > > > > .compatible = "andestech,riscv-ae350-soc", > > > > > as "simple-bus" ??? > > > > > > > > Yes, I mean changing the /soc/ node compatible string in > > > > arch/riscv/dts/ae350_{32,64}.dts to "simpble-bus". > > > > > > > > > > So you mean we shall have only riscv simple bus driver. > > > We shall remove > > > U_BOOT_DRIVER(riscv_virtio_soc) in /arch/riscv/cpu/generic/cpu.c > > > U_BOOT_DRIVER(riscv_ae350_soc_ids) in /arch/riscv/cpu/ax25/cpu.c > > > and add > > > static const struct udevice_id riscv_simple_bus_ids[] = { > > > { > > > .compatible = "simple-bus", > > > }, > > > { } > > > }; > > > > > > U_BOOT_DRIVER(riscv_simple_bus_ids) = { > > > .name = "simple-bus", > > > .id = UCLASS_SIMPLE_BUS, > > > .of_match = riscv_simple_bus_ids, > > > .flags = DM_FLAG_PRE_RELOC, > > > }; > > > > > > Does it right ? > > > > No, you don't need add anything to the RISC-V codes. U-Boot provides a > > simple-bus driver and all you need do is to use "simple-bus" in your > > DTS files. > > > > But if I only use "simple-bus" in DTS file. > It will fail in syscon_get_first_range that can not get correct > information from reg. Yes, we should fix "simple-bus" driver. See discussion in https://patchwork.ozlabs.org/patch/1039493/ Regards, Bin
Hi Bin and Lukas Bin Meng <bmeng.cn@gmail.com> 於 2019年3月21日 週四 下午5:17寫道： > > Hi Rick, > > On Thu, Mar 21, 2019 at 5:00 PM Rick Chen <rickchen36@gmail.com> wrote: > > > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月21日 週四 下午4:49寫道： > > > > > > Hi Rick, > > > > > > On Thu, Mar 21, 2019 at 4:27 PM Rick Chen <rickchen36@gmail.com> wrote: > > > > > > > > Hi Bin > > > > > > > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月21日 週四 下午3:01寫道： > > > > > > > > > > Hi Rick, > > > > > > > > > > On Thu, Mar 21, 2019 at 2:49 PM Rick Chen <rickchen36@gmail.com> wrote: > > > > > > > > > > > > Hi Bin > > > > > > > > > > > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月20日 週三 下午3:22寫道： > > > > > > > > > > > > > > Hi Rick, > > > > > > > > > > > > > > On Tue, Mar 19, 2019 at 5:11 PM Andes <uboot@andestech.com> wrote: > > > > > > > > > > > > > > > > From: Rick Chen <rick@andestech.com> > > > > > > > > > > > > > > > > To enumerate devices on the /soc/ node, create a "simple-bus" > > > > > > > > driver to match "andestech,riscv-ae350-soc". > > > > > > > > > > > > > > > > > > > > > > Could we change the /soc/ node compatible string to "simple-bus" > > > > > > > instead? The QEMU 'virt' created a bad example and we should stop the > > > > > > > contamination. > > > > > > > > > > > > > > > > > > > Do you mean change the > > > > > > .compatible = "andestech,riscv-ae350-soc", > > > > > > as "simple-bus" ??? > > > > > > > > > > Yes, I mean changing the /soc/ node compatible string in > > > > > arch/riscv/dts/ae350_{32,64}.dts to "simpble-bus". > > > > > > > > > > > > > So you mean we shall have only riscv simple bus driver. > > > > We shall remove > > > > U_BOOT_DRIVER(riscv_virtio_soc) in /arch/riscv/cpu/generic/cpu.c > > > > U_BOOT_DRIVER(riscv_ae350_soc_ids) in /arch/riscv/cpu/ax25/cpu.c > > > > and add > > > > static const struct udevice_id riscv_simple_bus_ids[] = { > > > > { > > > > .compatible = "simple-bus", > > > > }, > > > > { } > > > > }; > > > > > > > > U_BOOT_DRIVER(riscv_simple_bus_ids) = { > > > > .name = "simple-bus", > > > > .id = UCLASS_SIMPLE_BUS, > > > > .of_match = riscv_simple_bus_ids, > > > > .flags = DM_FLAG_PRE_RELOC, > > > > }; > > > > > > > > Does it right ? > > > > > > No, you don't need add anything to the RISC-V codes. U-Boot provides a > > > simple-bus driver and all you need do is to use "simple-bus" in your > > > DTS files. > > > > > > > But if I only use "simple-bus" in DTS file. > > It will fail in syscon_get_first_range that can not get correct > > information from reg. > > Yes, we should fix "simple-bus" driver. See discussion in > https://patchwork.ozlabs.org/patch/1039493/ The series has been pull into master by Tom. Can you fix the "simple-bus" driver ASAP. AE350 will encounter the problem as below with the latest u-boot-riscv U-Boot 2019.04-rc4-07392-g48b90d9 (Apr 10 2019 - 16:27:39 +0800) DRAM: 1 GiB Cannot send IPI to hart 1 Relocation of secondary harts has failed, error -19 ### ERROR ### Please RESET the board ### Thanks Rick > > Regards, > Bin
Hi Rick, On Wed, 2019-04-10 at 17:05 +0800, Rick Chen wrote: > Hi Bin and Lukas > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月21日 週四 下午5:17寫道： > > Hi Rick, > > > > On Thu, Mar 21, 2019 at 5:00 PM Rick Chen <rickchen36@gmail.com> wrote: > > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月21日 週四 下午4:49寫道： > > > > Hi Rick, > > > > > > > > On Thu, Mar 21, 2019 at 4:27 PM Rick Chen <rickchen36@gmail.com> wrote: > > > > > Hi Bin > > > > > > > > > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月21日 週四 下午3:01寫道： > > > > > > Hi Rick, > > > > > > > > > > > > On Thu, Mar 21, 2019 at 2:49 PM Rick Chen <rickchen36@gmail.com> wrote: > > > > > > > Hi Bin > > > > > > > > > > > > > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月20日 週三 下午3:22寫道： > > > > > > > > Hi Rick, > > > > > > > > > > > > > > > > On Tue, Mar 19, 2019 at 5:11 PM Andes <uboot@andestech.com> wrote: > > > > > > > > > From: Rick Chen <rick@andestech.com> > > > > > > > > > > > > > > > > > > To enumerate devices on the /soc/ node, create a "simple-bus" > > > > > > > > > driver to match "andestech,riscv-ae350-soc". > > > > > > > > > > > > > > > > > > > > > > > > > Could we change the /soc/ node compatible string to "simple-bus" > > > > > > > > instead? The QEMU 'virt' created a bad example and we should stop the > > > > > > > > contamination. > > > > > > > > > > > > > > > > > > > > > > Do you mean change the > > > > > > > .compatible = "andestech,riscv-ae350-soc", > > > > > > > as "simple-bus" ??? > > > > > > > > > > > > Yes, I mean changing the /soc/ node compatible string in > > > > > > arch/riscv/dts/ae350_{32,64}.dts to "simpble-bus". > > > > > > > > > > > > > > > > So you mean we shall have only riscv simple bus driver. > > > > > We shall remove > > > > > U_BOOT_DRIVER(riscv_virtio_soc) in /arch/riscv/cpu/generic/cpu.c > > > > > U_BOOT_DRIVER(riscv_ae350_soc_ids) in /arch/riscv/cpu/ax25/cpu.c > > > > > and add > > > > > static const struct udevice_id riscv_simple_bus_ids[] = { > > > > > { > > > > > .compatible = "simple-bus", > > > > > }, > > > > > { } > > > > > }; > > > > > > > > > > U_BOOT_DRIVER(riscv_simple_bus_ids) = { > > > > > .name = "simple-bus", > > > > > .id = UCLASS_SIMPLE_BUS, > > > > > .of_match = riscv_simple_bus_ids, > > > > > .flags = DM_FLAG_PRE_RELOC, > > > > > }; > > > > > > > > > > Does it right ? > > > > > > > > No, you don't need add anything to the RISC-V codes. U-Boot provides a > > > > simple-bus driver and all you need do is to use "simple-bus" in your > > > > DTS files. > > > > > > > > > > But if I only use "simple-bus" in DTS file. > > > It will fail in syscon_get_first_range that can not get correct > > > information from reg. > > > > Yes, we should fix "simple-bus" driver. See discussion in > > https://patchwork.ozlabs.org/patch/1039493/ > > The series has been pull into master by Tom. > > Can you fix the "simple-bus" driver ASAP. > AE350 will encounter the problem as below with the latest u-boot-riscv > > U-Boot 2019.04-rc4-07392-g48b90d9 (Apr 10 2019 - 16:27:39 +0800) > > DRAM: 1 GiB > Cannot send IPI to hart 1 > Relocation of secondary harts has failed, error -19 > ### ERROR ### Please RESET the board ### > Yes, I will send the patch later today. Thanks, Lukas
Hi Lukas Auer, Lukas <lukas.auer@aisec.fraunhofer.de> 於 2019年4月10日 週三 下午5:21寫道： > > Hi Rick, > > On Wed, 2019-04-10 at 17:05 +0800, Rick Chen wrote: > > Hi Bin and Lukas > > > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月21日 週四 下午5:17寫道： > > > Hi Rick, > > > > > > On Thu, Mar 21, 2019 at 5:00 PM Rick Chen <rickchen36@gmail.com> wrote: > > > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月21日 週四 下午4:49寫道： > > > > > Hi Rick, > > > > > > > > > > On Thu, Mar 21, 2019 at 4:27 PM Rick Chen <rickchen36@gmail.com> wrote: > > > > > > Hi Bin > > > > > > > > > > > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月21日 週四 下午3:01寫道： > > > > > > > Hi Rick, > > > > > > > > > > > > > > On Thu, Mar 21, 2019 at 2:49 PM Rick Chen <rickchen36@gmail.com> wrote: > > > > > > > > Hi Bin > > > > > > > > > > > > > > > > Bin Meng <bmeng.cn@gmail.com> 於 2019年3月20日 週三 下午3:22寫道： > > > > > > > > > Hi Rick, > > > > > > > > > > > > > > > > > > On Tue, Mar 19, 2019 at 5:11 PM Andes <uboot@andestech.com> wrote: > > > > > > > > > > From: Rick Chen <rick@andestech.com> > > > > > > > > > > > > > > > > > > > > To enumerate devices on the /soc/ node, create a "simple-bus" > > > > > > > > > > driver to match "andestech,riscv-ae350-soc". > > > > > > > > > > > > > > > > > > > > > > > > > > > > Could we change the /soc/ node compatible string to "simple-bus" > > > > > > > > > instead? The QEMU 'virt' created a bad example and we should stop the > > > > > > > > > contamination. > > > > > > > > > > > > > > > > > > > > > > > > > Do you mean change the > > > > > > > > .compatible = "andestech,riscv-ae350-soc", > > > > > > > > as "simple-bus" ??? > > > > > > > > > > > > > > Yes, I mean changing the /soc/ node compatible string in > > > > > > > arch/riscv/dts/ae350_{32,64}.dts to "simpble-bus". > > > > > > > > > > > > > > > > > > > So you mean we shall have only riscv simple bus driver. > > > > > > We shall remove > > > > > > U_BOOT_DRIVER(riscv_virtio_soc) in /arch/riscv/cpu/generic/cpu.c > > > > > > U_BOOT_DRIVER(riscv_ae350_soc_ids) in /arch/riscv/cpu/ax25/cpu.c > > > > > > and add > > > > > > static const struct udevice_id riscv_simple_bus_ids[] = { > > > > > > { > > > > > > .compatible = "simple-bus", > > > > > > }, > > > > > > { } > > > > > > }; > > > > > > > > > > > > U_BOOT_DRIVER(riscv_simple_bus_ids) = { > > > > > > .name = "simple-bus", > > > > > > .id = UCLASS_SIMPLE_BUS, > > > > > > .of_match = riscv_simple_bus_ids, > > > > > > .flags = DM_FLAG_PRE_RELOC, > > > > > > }; > > > > > > > > > > > > Does it right ? > > > > > > > > > > No, you don't need add anything to the RISC-V codes. U-Boot provides a > > > > > simple-bus driver and all you need do is to use "simple-bus" in your > > > > > DTS files. > > > > > > > > > > > > > But if I only use "simple-bus" in DTS file. > > > > It will fail in syscon_get_first_range that can not get correct > > > > information from reg. > > > > > > Yes, we should fix "simple-bus" driver. See discussion in > > > https://patchwork.ozlabs.org/patch/1039493/ > > > > The series has been pull into master by Tom. > > > > Can you fix the "simple-bus" driver ASAP. > > AE350 will encounter the problem as below with the latest u-boot-riscv > > > > U-Boot 2019.04-rc4-07392-g48b90d9 (Apr 10 2019 - 16:27:39 +0800) > > > > DRAM: 1 GiB > > Cannot send IPI to hart 1 > > Relocation of secondary harts has failed, error -19 > > ### ERROR ### Please RESET the board ### > > > > Yes, I will send the patch later today. Thanks a lot. Sincerely, Rick > > Thanks, > Lukas
diff --git a/arch/riscv/cpu/ax25/cpu.c b/arch/riscv/cpu/ax25/cpu.c index 76689b2..e6e7404 100644 --- a/arch/riscv/cpu/ax25/cpu.c +++ b/arch/riscv/cpu/ax25/cpu.c @@ -7,6 +7,7 @@ /* CPU specific code */ #include <common.h> #include <asm/cache.h> +#include <dm.h> /* * cleanup_before_linux() is called just before we call linux @@ -25,3 +26,18 @@ int cleanup_before_linux(void) return 0; } + +/* To enumerate devices on the /soc/ node, create a "simple-bus" driver */ +static const struct udevice_id riscv_ae350_soc_ids[] = { + { + .compatible = "andestech,riscv-ae350-soc", + }, + { } +}; + +U_BOOT_DRIVER(riscv_ae350_soc_ids) = { + .name = "andestech,riscv-ae350-soc", + .id = UCLASS_SIMPLE_BUS, + .of_match = riscv_ae350_soc_ids, + .flags = DM_FLAG_PRE_RELOC, +};