From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/6] Fix 740t support and remove more unused ARMv3 code
Date: Wed, 30 Jan 2013 14:27:43 +0000 [thread overview]
Message-ID: <1359556069-28289-1-git-send-email-will.deacon@arm.com> (raw)
Hello,
When looking at the remaining ARMv3 code that we still have kicking
around, I noticed that the only user of the cache-flushing routines is
the 740t, an ARMv4 chip. Having read the datasheet, we can actually use
our ARMv4 cache-flushing code and remove cache-v3.S.
After making that change, I thought I'd better do some testing, which is
where the fun began...
Even after getting hold of a 740t Integrator/AP core-tile, I ran into
many problems with the CPU support, which I don't believe has *ever*
worked. Anyway, having fixed those, the board runs like a charm.
Next stop is the 940t, which looks to be broken in similar ways.
Will
Will Deacon (6):
ARM: tlbflush: remove ARMv3 support
ARM: cache: remove ARMv3 support code
ARM: mm: fix numerous hideous errors in proc-arm740.S
ARM: mm: remove broken condition check for v4 flushing
ARM: modules: don't export cpu_set_pte_ext when !MMU
ARM: integrator: ensure ap_syscon_base is initialised when
!CONFIG_MMU
arch/arm/include/asm/glue-cache.h | 8 --
arch/arm/include/asm/tlbflush.h | 11 +--
arch/arm/mach-integrator/integrator_ap.c | 2 +-
arch/arm/mm/Kconfig | 5 +-
arch/arm/mm/Makefile | 1 -
arch/arm/mm/cache-v3.S | 137 -------------------------------
arch/arm/mm/cache-v4.S | 2 +-
arch/arm/mm/proc-arm740.S | 30 ++++---
arch/arm/mm/proc-syms.c | 2 +
9 files changed, 24 insertions(+), 174 deletions(-)
delete mode 100644 arch/arm/mm/cache-v3.S
--
1.8.0
next reply other threads:[~2013-01-30 14:27 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-30 14:27 Will Deacon [this message]
2013-01-30 14:27 ` [PATCH 1/6] ARM: tlbflush: remove ARMv3 support Will Deacon
2013-01-30 14:27 ` [PATCH 2/6] ARM: cache: remove ARMv3 support code Will Deacon
2013-01-31 0:40 ` Hyok S. Choi
2013-01-31 9:56 ` Will Deacon
2013-01-30 14:27 ` [PATCH 3/6] ARM: mm: fix numerous hideous errors in proc-arm740.S Will Deacon
2013-02-01 11:10 ` Hyok S. Choi
2013-01-30 14:27 ` [PATCH 4/6] ARM: mm: remove broken condition check for v4 flushing Will Deacon
2013-01-30 14:27 ` [PATCH 5/6] ARM: modules: don't export cpu_set_pte_ext when !MMU Will Deacon
2013-01-30 14:27 ` [PATCH 6/6] ARM: integrator: ensure ap_syscon_base is initialised when !CONFIG_MMU Will Deacon
2013-01-31 20:21 ` Linus Walleij
2013-01-31 22:34 ` Will Deacon
2013-01-31 22:56 ` Olof Johansson
2013-02-03 11:48 ` Will Deacon
2013-02-04 21:49 ` Arnd Bergmann
2013-02-06 18:25 ` Will Deacon
2013-02-10 0:29 ` Olof Johansson
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