From: Przemyslaw Marczak <p.marczak@samsung.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 0/6] Introduce low-level debug for ARM architecture
Date: Thu, 28 Aug 2014 11:59:13 +0200 [thread overview]
Message-ID: <53FEFD71.6070305@samsung.com> (raw)
In-Reply-To: <1409193072-32562-1-git-send-email-yamada.m@jp.panasonic.com>
Hello Masahiro,
On 08/28/2014 04:31 AM, Masahiro Yamada wrote:
>
> I have been in trouble for a while to debug some nasty problem
> where neighter a debugger nor printf() function is available.
>
> I found the lowlevel debug feature in ARM Linux can be used as is
> in U-Boot too.
>
> I tested this series on our SoCs (32bit ARM, specificly Coretex-A9).
> Because I was not sure about aarch64, I have this feature
> depend on "! ARM64".
>
> 1/6 and 2/6 refactor a bit and move CONFIG_ARM64 to Kconfig.
>
> 3/6 imports some source files from Linux 3.16 and
> 5/6 adds the Kconfig menu.
>
>
>
> Masahiro Yamada (6):
> vexpress64: kconfig: consolidate CONFIG_TARGET_VEXPRESS_AEMV8A_SEMI
> kconfig: armv8: move CONFIG_ARM64 to Kconfig
> arm: debug: import debug files from Linux 3.16
> arm: debug: replace license blocks with SPDX
> arm: debug: add Kconfig entries for lowlevel debug
> arm: debug: adjust for U-Boot
>
> arch/arm/Kconfig | 13 +-
> arch/arm/Kconfig.debug | 64 ++++++
> arch/arm/cpu/armv8/Kconfig | 7 +
> arch/arm/include/debug/8250.S | 52 +++++
> arch/arm/lib/Makefile | 2 +
> arch/arm/lib/debug.S | 136 ++++++++++++
> board/armltd/vexpress64/Kconfig | 24 --
> board/freescale/ls2085a/Kconfig | 8 -
> configs/ls2085a_emu_D4_defconfig | 2 +-
> configs/ls2085a_emu_defconfig | 2 +-
> configs/ls2085a_simu_defconfig | 2 +-
> configs/vexpress_aemv8a_defconfig | 1 -
> configs/vexpress_aemv8a_semi_defconfig | 4 +-
> include/linux/serial_reg.h | 388 +++++++++++++++++++++++++++++++++
> 14 files changed, 664 insertions(+), 41 deletions(-)
> create mode 100644 arch/arm/Kconfig.debug
> create mode 100644 arch/arm/cpu/armv8/Kconfig
> create mode 100644 arch/arm/include/debug/8250.S
> create mode 100644 arch/arm/lib/debug.S
> create mode 100644 include/linux/serial_reg.h
>
Tested on Trats2(Exynos4412) - works fine.
Tested-by: Przemyslaw Marczak <p.marczak@samsung.com>
Best Regards,
--
Przemyslaw Marczak
Samsung R&D Institute Poland
Samsung Electronics
p.marczak at samsung.com
prev parent reply other threads:[~2014-08-28 9:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-28 2:31 [U-Boot] [PATCH v2 0/6] Introduce low-level debug for ARM architecture Masahiro Yamada
2014-08-28 2:31 ` [U-Boot] [PATCH v2 1/6] vexpress64: kconfig: consolidate CONFIG_TARGET_VEXPRESS_AEMV8A_SEMI Masahiro Yamada
2014-08-28 2:31 ` [U-Boot] [PATCH v2 2/6] kconfig: armv8: move CONFIG_ARM64 to Kconfig Masahiro Yamada
2014-08-28 2:31 ` [U-Boot] [PATCH v2 3/6] arm: debug: import debug files from Linux 3.16 Masahiro Yamada
2014-08-28 2:31 ` [U-Boot] [PATCH v2 4/6] arm: debug: replace license blocks with SPDX Masahiro Yamada
2014-08-28 2:31 ` [U-Boot] [PATCH v2 5/6] arm: debug: add Kconfig entries for lowlevel debug Masahiro Yamada
2014-08-28 2:31 ` [U-Boot] [PATCH v2 6/6] arm: debug: adjust for U-Boot Masahiro Yamada
2014-08-28 9:59 ` Przemyslaw Marczak [this message]
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