CVS log for src/sys/arch/evbarm/nitrogen6/Attic/nitrogen6_machdep.c

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Keyword substitution: kv
Default branch: MAIN

imx6 kernels are part of GENERIC now

Mostly merge changes from HEAD upto 20200411

Merge changes from current as of 20200406

Sync with head.

Various updates and improvements to cpu start up on arm/aarch64

- start sharing more code around the AP startup messaging.
- call arm_cpu_topology_set early so that ci_core_id is available for
  drivers, e.g. bcm2835_intr.c
- both arm and aarch64 now have
  - a static cpu_info_store array
  - the same arm_cpu_{hatched,mbox}

Sync with head.

Fix indentation

Consistently use vaddr_t as initarm and friends return type.

Makes no difference to binaries except for aarch64 where it's required

Sync with HEAD

Spell common correctly in comment. Spotted by jmcneill

Flush the BP cache just before starting APs so that cache coherency starts
with a correct view.

Sync with HEAD

G/C

Sync with HEAD, resolve a few conflicts

Move register definiton to header

Sync with HEAD, resolve a couple of conflicts

Less is more

Sync with head

Use __nothing

Provide generic start code that assumes the MMU is off and caches are
disabled as per the linux booting protocol for ARMv6 and ARMv7 boards.
u-boot image type should be changed to 'linux' for correct behaviour.

The new start code builds a minimal "bootstrap" L1PT with cached access
disabled and uses the same table for all processors.  AP startup is
performed in less steps and more code is written in C.

The bootstrap tables and stack are placed into an (orphaned) section
"_init_memory" which is given to uvm when it is no longer used.

Various kernels have been converted to use this code and tested.  Some
boards were provided by TNF. Thanks!

The GENERIC kernel now boots on boards using the TEGRA, SUNXI and EXYNOS
kernels. The GENERIC kernel will also work on RPI2 using u-boot.

Thanks to martin@ and aymeric@ for testing on parallella and nanosoc
respectively

Ssync with HEAD

Centralise defparam CONSADDR, CONSPEED, CONMODE and CONADDR into
opt_console.h and adjust.

Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)

Build fix after recent KERN_{VTOPHYS,PHYSTOV} change

Sync with HEAD

make sure uboot_args is in the data segment by saying so, as opposed to
depending on initializing it to 0.

update from HEAD

file nitrogen6_machdep.c was added on branch tls-maxphys on 2017-12-03 11:36:06 +0000

- Move CFATTACH_DECL_NEW() from common uart driver.
- Rename : imxuart_cons_attach() -> imxuart_cnattach()

Sync with HEAD

Garbage collect unused variables comcnaddr, comcnspeed and comcnmode.

use armv7_generic_space

add support iMX6 uSDHC
- some UHS-I/SDR104 card are not stable
- eMMC doesn't work yet

Sync with HEAD

- setup iomux before attach console
- define EVBARM_BOARDTYPE in each config file
- add iomux settings for UART1
- add some iomux definitions

Sync with HEAD

on iMX6, disable __HAVE_MM_MD_DIRECT_MAPPED_PHYS and PMAP_NEED_ALLOC_POOLPAGE by default.

add support i.MX6 and NITROGEN6X evaluation board