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/freebsd/sys/arm64/rockchip/
H A Drk_pcie_phy.cdfd1d0fcabee38a007a60cd1d8b7d5c766f0405f Sat Dec 14 15:56:34 CET 2019 Michal Meloun <mmel@FreeBSD.org> Add driver for Rockchip PCIe root complex found in RK3399 SOC.
Unfortunately, there are some limitations:
- memory aperture of his controller is only 16MiB, so it is nearly
unusable for graphic cards
- every attempt to generate type 1 config cycle always causes trap.
These config cycles are disabled now and we don't support cards
with PCIe switch.
- in some cases, attempt to do config cycle to (probably) not-yet ready
card also causes trap. This cannot be detected at runtime, but it seems
like very rare issue.

MFC after: 3 weeks
Differential Revision: https://reviews.freebsd.org/D22724
H A Drk_pcie.cdfd1d0fcabee38a007a60cd1d8b7d5c766f0405f Sat Dec 14 15:56:34 CET 2019 Michal Meloun <mmel@FreeBSD.org> Add driver for Rockchip PCIe root complex found in RK3399 SOC.
Unfortunately, there are some limitations:
- memory aperture of his controller is only 16MiB, so it is nearly
unusable for graphic cards
- every attempt to generate type 1 config cycle always causes trap.
These config cycles are disabled now and we don't support cards
with PCIe switch.
- in some cases, attempt to do config cycle to (probably) not-yet ready
card also causes trap. This cannot be detected at runtime, but it seems
like very rare issue.

MFC after: 3 weeks
Differential Revision: https://reviews.freebsd.org/D22724
/freebsd/sys/conf/
H A Dfiles.arm64diff dfd1d0fcabee38a007a60cd1d8b7d5c766f0405f Sat Dec 14 15:56:34 CET 2019 Michal Meloun <mmel@FreeBSD.org> Add driver for Rockchip PCIe root complex found in RK3399 SOC.
Unfortunately, there are some limitations:
- memory aperture of his controller is only 16MiB, so it is nearly
unusable for graphic cards
- every attempt to generate type 1 config cycle always causes trap.
These config cycles are disabled now and we don't support cards
with PCIe switch.
- in some cases, attempt to do config cycle to (probably) not-yet ready
card also causes trap. This cannot be detected at runtime, but it seems
like very rare issue.

MFC after: 3 weeks
Differential Revision: https://reviews.freebsd.org/D22724