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Date: Mon, 28 May 2012 18:36:59 +0200
From: Alessandro Rubini <rubini@...dd.com>
To: linux-kernel@...r.kernel.org
Cc: Giancarlo Asnaghi <giancarlo.asnaghi@...com>,
Alan Cox <alan@...ux.intel.com>,
Russell King <linux@....linux.org.uk>, x86@...nel.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Arnd Bergmann <arnd@...db.de>,
linux-arm-kernel@...ts.infradead.org, linux-serial@...r.kernel.org,
linux-arch@...r.kernel.org
Subject: [PATCH V2 0/6] Bridging PCI to amba
V2: accepted comments I got on V1; rewritten the driver to be generic;
made it tristate instead of boolean. Rebased on new next.
This patch set introduces use of AMBA devices under a PCI bridge.
The device table in the driver include all the devices that we'll be
able to run using AMBA drivers.
To compile AMBA under x86, though I need <asm/sizes.h>,
which is moved to <linux/sizes.h> as suggested earlier.
I'm hereby volunteering to handle the moving of the various users
of <asm/sizes.h> to <linux/sizes.h>; this set only moves the ARM core
files and the ones that I need under x86.
The whole patch set is sent to the same set of recipients:
all relevant lists, Russell King (for arm), Greg-KH (for uart) and
Arnd Bergmann (for generic include).
With this set in place (plus a clok API not included here) I have
4 serial ports working.
Success strings:
spusa.root# uname -r
3.4.0-next-20120528-00016-g1e5853d
spusa.root# dmesg | grep ttyA
amba-0000:03:00.5: ttyAMA0 at MMIO 0xcf400000 (irq = 64) is a PL011 rev3
amba-0000:03:00.6: ttyAMA1 at MMIO 0xcec00000 (irq = 65) is a PL011 rev3
amba-0000:03:00.7: ttyAMA2 at MMIO 0xce400000 (irq = 66) is a PL011 rev3
amba-0000:04:00.5: ttyAMA3 at MMIO 0xd3400000 (irq = 71) is a PL011 rev3
spusa.root# grep -B2 pl011 /proc/iomem
ce400000-ce7fffff : 0000:03:00.7
ce400000-ce400fff : amba-0000:03:00.7
ce400000-ce400fff : uart-pl011
--
cec00000-ceffffff : 0000:03:00.6
cec00000-cec00fff : amba-0000:03:00.6
cec00000-cec00fff : uart-pl011
--
cf400000-cf7fffff : 0000:03:00.5
cf400000-cf400fff : amba-0000:03:00.5
cf400000-cf400fff : uart-pl011
--
d3400000-d37fffff : 0000:04:00.5
d3400000-d3400fff : amba-0000:04:00.5
d3400000-d3400fff : uart-pl011
Alessandro Rubini (6):
sizes.h: move from asm-generic to <linux/sizes.h>
amba: use the new linux/sizes.h
ARM: use the new linux/sizes.h
serial: use the new linux/sizes.h
x86: add CONFIG_ARM_AMBA, selected by STA2X11
drivers/amba: add support for a PCI bridge
arch/arm/include/asm/memory.h | 2 +-
arch/arm/mm/dma-mapping.c | 2 +-
arch/arm/mm/init.c | 2 +-
arch/arm/mm/ioremap.c | 2 +-
arch/arm/mm/mmu.c | 2 +-
arch/x86/Kconfig | 4 ++
drivers/Kconfig | 2 +
drivers/amba/Kconfig | 10 ++++
drivers/amba/Makefile | 1 +
drivers/amba/bus.c | 2 +-
drivers/amba/pci-amba.c | 95 +++++++++++++++++++++++++++++++++++++++
drivers/tty/serial/amba-pl011.c | 2 +-
include/asm-generic/sizes.h | 49 +-------------------
include/linux/sizes.h | 47 +++++++++++++++++++
14 files changed, 168 insertions(+), 54 deletions(-)
create mode 100644 drivers/amba/Kconfig
create mode 100644 drivers/amba/pci-amba.c
create mode 100644 include/linux/sizes.h
--
1.7.7.2
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