linux-kernel - [PATCH 0/6] Clean up ARC code and fix IP22/28 early printk

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Date:   Wed,  9 Oct 2019 15:27:11 +0200
From:   Thomas Bogendoerfer <tbogendoerfer@...e.de>
To:     Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paul.burton@...s.com>,
        James Hogan <jhogan@...nel.org>, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 0/6] Clean up ARC code and fix IP22/28 early printk

While fixing the problem of not working EARLY_PRINTK on IP22/IP28
I've removed not used ARC function and made 32bit ARC PROMs working
with 64bit kernels. By switching to memory detection via PROM calls
EARLY_PRINTK works now. And by using the regular 64bit spaces
maximum memory of 384MB on Indigo2 R4k machines is working, too.

Thomas Bogendoerfer (6):
  MIPS: fw: arc: remove unused ARC code
  MIPS: fw: arc: use call_o32 to call ARC prom from 64bit kernel
  MIPS: Kconfig: always select ARC_MEMORY and ARC_PROMLIB for platform
  MIPS: fw: arc: workaround 64bit kernel/32bit ARC problems
  MIPS: SGI-IP22: set PHYS_OFFSET to memory start
  MIPS: SGI-IP22/28: Use PROM for memory detection

 arch/mips/Kconfig                        |  32 +++-----
 arch/mips/fw/arc/Makefile                |   2 +-
 arch/mips/fw/arc/env.c                   |   6 --
 arch/mips/fw/arc/file.c                  |  49 ------------
 arch/mips/fw/arc/identify.c              |   5 ++
 arch/mips/fw/arc/init.c                  |   5 ++
 arch/mips/fw/arc/memory.c                |   9 +++
 arch/mips/fw/arc/misc.c                  |  59 --------------
 arch/mips/fw/arc/promlib.c               |  25 +++++-
 arch/mips/fw/arc/salone.c                |  25 ------
 arch/mips/fw/arc/time.c                  |  25 ------
 arch/mips/fw/arc/tree.c                  | 127 -------------------------------
 arch/mips/include/asm/bootinfo.h         |   1 +
 arch/mips/include/asm/mach-ip22/spaces.h |  12 +--
 arch/mips/include/asm/sgialib.h          |  12 ---
 arch/mips/include/asm/sgiarcs.h          | 103 ++++++++-----------------
 arch/mips/sgi-ip22/ip22-mc.c             |  74 +++++-------------
 17 files changed, 105 insertions(+), 466 deletions(-)
 delete mode 100644 arch/mips/fw/arc/salone.c
 delete mode 100644 arch/mips/fw/arc/time.c
 delete mode 100644 arch/mips/fw/arc/tree.c

-- 
2.16.4