[PATCH v3 10/20] mips: mtmips: rewrite lowlevel codes of mt7628

[Daniel Schwierzeck]

Am 21.01.20 um 09:19 schrieb Weijie Gao:
> This patch rewrites the mtmips architecture with the following changes:
> 
> 1. Move MT7628 soc parts into a subfolder.
> 2. Lock parts of D-Cache as temporary stack.
> 3. Reimplement DDR initialization in C language.
> 4. Reimplement DDR calibration in a clear logic.
> 5. Add full support for auto size detection for DDR1 and DDR2.
> 6. Use accurate CPU clock depending on the input xtal frequency for timer
>    and delay functions.
> 
> Note:
> 
> print_cpuinfo() has incompatible parts with MT7620 so it's moved into
> mt7628 subfolder.
> 
> Signed-off-by: Weijie Gao <weijie.gao at mediatek.com>
> ---
> Changes since v2: none
> ---
>  arch/mips/mach-mtmips/Kconfig                 |  69 +---
>  arch/mips/mach-mtmips/Makefile                |   7 +-
>  arch/mips/mach-mtmips/cpu.c                   |  58 +---
>  arch/mips/mach-mtmips/ddr_cal.c               | 211 +++++++++++
>  arch/mips/mach-mtmips/ddr_calibrate.c         | 309 -----------------
>  arch/mips/mach-mtmips/ddr_init.c              | 194 +++++++++++
>  arch/mips/mach-mtmips/include/mach/ddr.h      |  52 +++
>  arch/mips/mach-mtmips/include/mach/mc.h       | 180 ++++++++++
>  arch/mips/mach-mtmips/lowlevel_init.S         | 328 ------------------
>  arch/mips/mach-mtmips/mt7628/Makefile         |   5 +
>  arch/mips/mach-mtmips/mt7628/ddr.c            | 173 +++++++++
>  arch/mips/mach-mtmips/mt7628/init.c           | 109 ++++++
>  arch/mips/mach-mtmips/mt7628/lowlevel_init.S  | 161 +++++++++
>  arch/mips/mach-mtmips/mt7628/mt7628.h         | 104 ++++++
>  arch/mips/mach-mtmips/mt76xx.h                |  32 --
>  .../gardena-smart-gateway-mt7688_defconfig    |   2 -
>  configs/linkit-smart-7688_defconfig           |   2 -
>  17 files changed, 1202 insertions(+), 794 deletions(-)
>  create mode 100644 arch/mips/mach-mtmips/ddr_cal.c
>  delete mode 100644 arch/mips/mach-mtmips/ddr_calibrate.c
>  create mode 100644 arch/mips/mach-mtmips/ddr_init.c
>  create mode 100644 arch/mips/mach-mtmips/include/mach/ddr.h
>  create mode 100644 arch/mips/mach-mtmips/include/mach/mc.h
>  delete mode 100644 arch/mips/mach-mtmips/lowlevel_init.S
>  create mode 100644 arch/mips/mach-mtmips/mt7628/Makefile
>  create mode 100644 arch/mips/mach-mtmips/mt7628/ddr.c
>  create mode 100644 arch/mips/mach-mtmips/mt7628/init.c
>  create mode 100644 arch/mips/mach-mtmips/mt7628/lowlevel_init.S
>  create mode 100644 arch/mips/mach-mtmips/mt7628/mt7628.h
>  delete mode 100644 arch/mips/mach-mtmips/mt76xx.h
> 

Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck at gmail.com>

-- 
- Daniel