linux-kernel - [PATCH 00/13] MIPS: Convert Ingenic to a generic board

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Message-Id: <20200803170124.231110-1-paul@crapouillou.net>
Date:   Mon,  3 Aug 2020 19:01:11 +0200
From:   Paul Cercueil <paul@...pouillou.net>
To:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc:     Paul Burton <paulburton@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        周琰杰 <zhouyanjie@...yeetech.com>,
        od@...c.me, linux-kernel@...r.kernel.org,
        linux-mips@...r.kernel.org, Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH 00/13] MIPS: Convert Ingenic to a generic board

Hi Thomas & list,

Here is a set of patches for 5.10 (no rush) to move Ingenic support from
arch/mips/jz4740/ to arch/mips/generic/.

There are some Kconfig changes that I think should be reviewed in detail
to avoid breakages elsewhere. The idea behind these changes is to allow
the Ingenic "generic" code to be built in a non-generic kernel, since
generic kernels bring lots of dependencies which result in a +7% size
increase.

Support for booting the generic kernel with a built-in and/or appended
devicetree, as well as support for compressed (vmlinuz) kernels, has
been added as well.

Cheers,
-Paul

Paul Cercueil (13):
  MIPS: cpu-probe: Set Ingenic's writecombine to _CACHE_CACHABLE_WA
  MIPS: cpu-probe: Mark XBurst CPU as having vtagged caches
  MIPS: cpu-probe: ingenic: Fix broken BUG_ON
  MIPS: Kconfig: add MIPS_GENERIC_KERNEL symbol
  MIPS: machine: Add get_system_type callback
  MIPS: generic: Call the machine's .get_system_type callback if
    provided
  MIPS: generic: Support booting with built-in or appended DTB
  MIPS: generic: Add support for zboot
  MIPS: generic: Increase NR_IRQS to 256
  MIPS: generic: Add support for Ingenic SoCs
  MIPS: jz4740: Drop folder
  MIPS: configs: Regenerate configs of Ingenic boards
  MAINTAINERS: Update paths to Ingenic platform code

 MAINTAINERS                                   |   4 +-
 arch/mips/Kbuild.platforms                    |   1 -
 arch/mips/Kconfig                             |  43 ++++--
 arch/mips/configs/ci20_defconfig              |   4 +-
 arch/mips/configs/cu1000-neo_defconfig        |  16 +-
 arch/mips/configs/gcw0_defconfig              |   2 +-
 arch/mips/configs/qi_lb60_defconfig           |   5 +-
 arch/mips/configs/rs90_defconfig              |   4 +-
 arch/mips/generic/Kconfig                     |   8 +-
 arch/mips/generic/Makefile                    |   2 +-
 arch/mips/generic/Platform                    |   1 +
 arch/mips/generic/board-ingenic.c             | 108 +++++++++++++
 arch/mips/generic/init.c                      |  28 +++-
 arch/mips/generic/proc.c                      |  25 ---
 arch/mips/include/asm/mach-generic/irq.h      |   2 +-
 .../asm/mach-jz4740/cpu-feature-overrides.h   |  50 ------
 arch/mips/include/asm/mach-jz4740/irq.h       |  13 --
 arch/mips/include/asm/machine.h               |   1 +
 arch/mips/include/asm/pgtable-bits.h          |   5 -
 arch/mips/{jz4740 => ingenic}/Kconfig         |  16 +-
 arch/mips/jz4740/Makefile                     |   9 --
 arch/mips/jz4740/Platform                     |   3 -
 arch/mips/jz4740/setup.c                      | 145 ------------------
 arch/mips/kernel/cpu-probe.c                  |   8 +-
 24 files changed, 198 insertions(+), 305 deletions(-)
 create mode 100644 arch/mips/generic/board-ingenic.c
 delete mode 100644 arch/mips/generic/proc.c
 delete mode 100644 arch/mips/include/asm/mach-jz4740/cpu-feature-overrides.h
 delete mode 100644 arch/mips/include/asm/mach-jz4740/irq.h
 rename arch/mips/{jz4740 => ingenic}/Kconfig (91%)
 delete mode 100644 arch/mips/jz4740/Makefile
 delete mode 100644 arch/mips/jz4740/Platform
 delete mode 100644 arch/mips/jz4740/setup.c

-- 
2.27.0