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Groups > linux.kernel > #1474025
| From | Dongdong Liu <liudongdong3@huawei.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC PATCH V2 3/3] PCI/ACPI: hisi: Add ACPI support for HiSilicon SoCs Host Controllers |
| Date | 2016-09-01 04:20 +0200 |
| Message-ID | <scpLH-2as-5@gated-at.bofh.it> (permalink) |
| References | <scc26-1Ql-3@gated-at.bofh.it> <scc26-1Ql-1@gated-at.bofh.it> <sccbM-1TJ-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
在 2016/8/31 19:48, Arnd Bergmann 写道:
> On Wednesday, August 31, 2016 7:48:14 PM CEST Dongdong Liu wrote:
>> +static struct hisi_rc_res rc_res[] = {
>> + {
>> + HIP05,
>> + {
>> + DEFINE_RES_MEM(0xb0070000, SZ_4K),
>> + DEFINE_RES_MEM(0xb0080000, SZ_4K),
>> + DEFINE_RES_MEM(0xb0090000, SZ_4K),
>> + DEFINE_RES_MEM(0xb00a0000, SZ_4K)
>> + }
>> + },
>> + {
>> + HIP06,
>> + {
>> + DEFINE_RES_MEM(0xa0090000, SZ_4K),
>> + DEFINE_RES_MEM(0xa0200000, SZ_4K),
>> + DEFINE_RES_MEM(0xa00a0000, SZ_4K),
>> + DEFINE_RES_MEM(0xa00b0000, SZ_4K)
>> + }
>> + },
>> + {
>> + HIP07,
>> + {
>> + DEFINE_RES_MEM(0xa0090000, SZ_4K),
>> + DEFINE_RES_MEM(0xa0200000, SZ_4K),
>> + DEFINE_RES_MEM(0xa00a0000, SZ_4K),
>> + DEFINE_RES_MEM(0xa00b0000, SZ_4K),
>> + DEFINE_RES_MEM(0x8a0090000UL, SZ_4K),
>> + DEFINE_RES_MEM(0x8a0200000UL, SZ_4K),
>> + DEFINE_RES_MEM(0x8a00a0000UL, SZ_4K),
>> + DEFINE_RES_MEM(0x8a00b0000UL, SZ_4K),
>> + DEFINE_RES_MEM(0x600a0090000UL, SZ_4K),
>> + DEFINE_RES_MEM(0x600a0200000UL, SZ_4K),
>> + DEFINE_RES_MEM(0x600a00a0000UL, SZ_4K),
>> + DEFINE_RES_MEM(0x600a00b0000UL, SZ_4K),
>> + DEFINE_RES_MEM(0x700a0090000UL, SZ_4K),
>> + DEFINE_RES_MEM(0x700a0200000UL, SZ_4K),
>> + DEFINE_RES_MEM(0x700a00a0000UL, SZ_4K),
>> + DEFINE_RES_MEM(0x700a00b0000UL, SZ_4K)
>> + }
>> + },
>
> I don't know much about ACPI, but I'm pretty sure this is not
> the normal way to find MMIO resources. Why not read them from
> the ACPI tables?
>
Hi Arnd
Our host bridge is non ECAM only for the RC bus config space;
for any other bus underneath the root bus we support ECAM access.
We have not found a comfortable ACPI way to describle RC itself config (not ECAM) resource .
Thanks
Dongdong
> Arnd
>
> .
>
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[RFC PATCH V2 3/3] PCI/ACPI: hisi: Add ACPI support for HiSilicon SoCs Host Controllers Dongdong Liu <liudongdong3@huawei.com> - 2016-08-31 13:40 +0200
Re: [RFC PATCH V2 3/3] PCI/ACPI: hisi: Add ACPI support for HiSilicon SoCs Host Controllers Arnd Bergmann <arnd@arndb.de> - 2016-08-31 13:50 +0200
Re: [RFC PATCH V2 3/3] PCI/ACPI: hisi: Add ACPI support for HiSilicon SoCs Host Controllers Dongdong Liu <liudongdong3@huawei.com> - 2016-09-01 04:20 +0200
Re: [RFC PATCH V2 3/3] PCI/ACPI: hisi: Add ACPI support for HiSilicon SoCs Host Controllers "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-09-01 01:00 +0200
Re: [RFC PATCH V2 3/3] PCI/ACPI: hisi: Add ACPI support for HiSilicon SoCs Host Controllers Dongdong Liu <liudongdong3@huawei.com> - 2016-09-01 05:30 +0200
Re: [RFC PATCH V2 3/3] PCI/ACPI: hisi: Add ACPI support for HiSilicon SoCs Host Controllers "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-09-02 01:40 +0200
Re: [RFC PATCH V2 3/3] PCI/ACPI: hisi: Add ACPI support for HiSilicon SoCs Host Controllers Dongdong Liu <liudongdong3@huawei.com> - 2016-09-02 06:00 +0200
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