Enable power domain.

ok patrick@

Remove unused device poll functions.

Also remove unneeded includes of <sys/poll.h> and <sys/select.h>.

Some addenda from jsg@.

OK miod@ mpi@

constify struct cfattach

Remove dead poweroff functions, as they not appear in other
serial drivers.

ok patrick@

Improve support for the variant found on the Apple M1 SoC.
This mostly adjust the interrupt masking and status support since this
variant lacks the UINTM and UINTP registers.

ok patrick@

Add support for the UART found on the Apple M1 SoC.

ok patrick@

Introduce variables to deal with bit layout differences in the UFSTAT
register. Use 32-bit reads and writes to access the URXH and UTXH
registers. They're documented as 32-bit registers in the Exynos 4 and
Exynos 5 User Manuals and accessing URXH with an 8-bit read triggers a
fault on Apple's M1 SoC.

ok patrick@

Don't hardcode com(4)'s major number in exuart(4).

ok kettenis@

arm_intr_establish_fdt() has long been renamed to fdt_intr_establish().

Fix whitespace.

Rename probe/attach functions to fit our regular naming scheme. Replace
&armv7_bs_tag with fdt_cons_bs_tag, which is our early console bus tag
for both arm64 and armv7. On armv7, it points to &armv7_bs_tag. With
this we can get rid of the armv7var.h include. Reduce a bit of diff to
imxuart(4).

ok kettenis@

Move exuart(4) to sys/dev/fdt so it can be shared between arm64 and armv7.

ok kettenis@

Remove unused device poll functions.

Also remove unneeded includes of <sys/poll.h> and <sys/select.h>.

Some addenda from jsg@.

OK miod@ mpi@

constify struct cfattach

Remove dead poweroff functions, as they not appear in other
serial drivers.

ok patrick@

Improve support for the variant found on the Apple M1 SoC.
This mostly adjust the interrupt masking and status support since this
variant lacks the UINTM and UINTP registers.

ok patrick@

Add support for the UART found on the Apple M1 SoC.

ok patrick@

Introduce variables to deal with bit layout differences in the UFSTAT
register. Use 32-bit reads and writes to access the URXH and UTXH
registers. They're documented as 32-bit registers in the Exynos 4 and
Exynos 5 User Manuals and accessing URXH with an 8-bit read triggers a
fault on Apple's M1 SoC.

ok patrick@

Don't hardcode com(4)'s major number in exuart(4).

ok kettenis@

arm_intr_establish_fdt() has long been renamed to fdt_intr_establish().

Fix whitespace.

Rename probe/attach functions to fit our regular naming scheme. Replace
&armv7_bs_tag with fdt_cons_bs_tag, which is our early console bus tag
for both arm64 and armv7. On armv7, it points to &armv7_bs_tag. With
this we can get rid of the armv7var.h include. Reduce a bit of diff to
imxuart(4).

ok kettenis@

Move exuart(4) to sys/dev/fdt so it can be shared between arm64 and armv7.

ok kettenis@

constify struct cfattach

Remove dead poweroff functions, as they not appear in other
serial drivers.

ok patrick@

Improve support for the variant found on the Apple M1 SoC.
This mostly adjust the interrupt masking and status support since this
variant lacks the UINTM and UINTP registers.

ok patrick@

Add support for the UART found on the Apple M1 SoC.

ok patrick@

Introduce variables to deal with bit layout differences in the UFSTAT
register. Use 32-bit reads and writes to access the URXH and UTXH
registers. They're documented as 32-bit registers in the Exynos 4 and
Exynos 5 User Manuals and accessing URXH with an 8-bit read triggers a
fault on Apple's M1 SoC.

ok patrick@

Don't hardcode com(4)'s major number in exuart(4).

ok kettenis@

arm_intr_establish_fdt() has long been renamed to fdt_intr_establish().

Fix whitespace.

Rename probe/attach functions to fit our regular naming scheme. Replace
&armv7_bs_tag with fdt_cons_bs_tag, which is our early console bus tag
for both arm64 and armv7. On armv7, it points to &armv7_bs_tag. With
this we can get rid of the armv7var.h include. Reduce a bit of diff to
imxuart(4).

ok kettenis@

Move exuart(4) to sys/dev/fdt so it can be shared between arm64 and armv7.

ok kettenis@

Remove dead poweroff functions, as they not appear in other
serial drivers.

ok patrick@

Improve support for the variant found on the Apple M1 SoC.
This mostly adjust the interrupt masking and status support since this
variant lacks the UINTM and UINTP registers.

ok patrick@

Add support for the UART found on the Apple M1 SoC.

ok patrick@

Introduce variables to deal with bit layout differences in the UFSTAT
register. Use 32-bit reads and writes to access the URXH and UTXH
registers. They're documented as 32-bit registers in the Exynos 4 and
Exynos 5 User Manuals and accessing URXH with an 8-bit read triggers a
fault on Apple's M1 SoC.

ok patrick@

Don't hardcode com(4)'s major number in exuart(4).

ok kettenis@

arm_intr_establish_fdt() has long been renamed to fdt_intr_establish().

Fix whitespace.

Rename probe/attach functions to fit our regular naming scheme. Replace
&armv7_bs_tag with fdt_cons_bs_tag, which is our early console bus tag
for both arm64 and armv7. On armv7, it points to &armv7_bs_tag. With
this we can get rid of the armv7var.h include. Reduce a bit of diff to
imxuart(4).

ok kettenis@

Move exuart(4) to sys/dev/fdt so it can be shared between arm64 and armv7.

ok kettenis@

Improve support for the variant found on the Apple M1 SoC.
This mostly adjust the interrupt masking and status support since this
variant lacks the UINTM and UINTP registers.

ok patrick@

Add support for the UART found on the Apple M1 SoC.

ok patrick@

Introduce variables to deal with bit layout differences in the UFSTAT
register. Use 32-bit reads and writes to access the URXH and UTXH
registers. They're documented as 32-bit registers in the Exynos 4 and
Exynos 5 User Manuals and accessing URXH with an 8-bit read triggers a
fault on Apple's M1 SoC.

ok patrick@

Don't hardcode com(4)'s major number in exuart(4).

ok kettenis@

arm_intr_establish_fdt() has long been renamed to fdt_intr_establish().

Fix whitespace.

Rename probe/attach functions to fit our regular naming scheme. Replace
&armv7_bs_tag with fdt_cons_bs_tag, which is our early console bus tag
for both arm64 and armv7. On armv7, it points to &armv7_bs_tag. With
this we can get rid of the armv7var.h include. Reduce a bit of diff to
imxuart(4).

ok kettenis@

Move exuart(4) to sys/dev/fdt so it can be shared between arm64 and armv7.

ok kettenis@

Add support for the UART found on the Apple M1 SoC.

ok patrick@

Introduce variables to deal with bit layout differences in the UFSTAT
register. Use 32-bit reads and writes to access the URXH and UTXH
registers. They're documented as 32-bit registers in the Exynos 4 and
Exynos 5 User Manuals and accessing URXH with an 8-bit read triggers a
fault on Apple's M1 SoC.

ok patrick@

Don't hardcode com(4)'s major number in exuart(4).

ok kettenis@

arm_intr_establish_fdt() has long been renamed to fdt_intr_establish().

Fix whitespace.

Rename probe/attach functions to fit our regular naming scheme. Replace
&armv7_bs_tag with fdt_cons_bs_tag, which is our early console bus tag
for both arm64 and armv7. On armv7, it points to &armv7_bs_tag. With
this we can get rid of the armv7var.h include. Reduce a bit of diff to
imxuart(4).

ok kettenis@

Move exuart(4) to sys/dev/fdt so it can be shared between arm64 and armv7.

ok kettenis@

Introduce variables to deal with bit layout differences in the UFSTAT
register. Use 32-bit reads and writes to access the URXH and UTXH
registers. They're documented as 32-bit registers in the Exynos 4 and
Exynos 5 User Manuals and accessing URXH with an 8-bit read triggers a
fault on Apple's M1 SoC.

ok patrick@

Don't hardcode com(4)'s major number in exuart(4).

ok kettenis@

arm_intr_establish_fdt() has long been renamed to fdt_intr_establish().

Fix whitespace.

Rename probe/attach functions to fit our regular naming scheme. Replace
&armv7_bs_tag with fdt_cons_bs_tag, which is our early console bus tag
for both arm64 and armv7. On armv7, it points to &armv7_bs_tag. With
this we can get rid of the armv7var.h include. Reduce a bit of diff to
imxuart(4).

ok kettenis@

Move exuart(4) to sys/dev/fdt so it can be shared between arm64 and armv7.

ok kettenis@