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Date: Fri, 25 May 2012 17:47:48 +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 0/6] Bridging PCI to amba
This patch set introduces use of the pl011 AMBA serial port under a
PCI bridge. 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. We have a number of other devices that can
use existing drivers, but we definitely need <linux/sizes.h> first.
spusa.root# uname -r
3.4.0-next-20120524-00014-gae0c129
spusa.root# dmesg | grep ttyA
pl011-pci-03:0005: ttyAMA0 at MMIO 0xcf400000 (irq = 46) is a PL011 rev3
pl011-pci-03:0006: ttyAMA1 at MMIO 0xcec00000 (irq = 47) is a PL011 rev3
pl011-pci-03:0007: ttyAMA2 at MMIO 0xce400000 (irq = 48) is a PL011 rev3
pl011-pci-04:0005: ttyAMA3 at MMIO 0xd3400000 (irq = 49) is a PL011 rev3
spusa.root# grep -C1 pl011 /proc/iomem
ce400000-ce7fffff : 0000:03:00.7
ce400000-ce400fff : pl011-pci-03:0007
ce400000-ce400fff : uart-pl011
ce800000-cebfffff : 0000:03:00.6
cec00000-ceffffff : 0000:03:00.6
cec00000-cec00fff : pl011-pci-03:0006
cec00000-cec00fff : uart-pl011
cf000000-cf3fffff : 0000:03:00.5
cf400000-cf7fffff : 0000:03:00.5
cf400000-cf400fff : pl011-pci-03:0005
cf400000-cf400fff : uart-pl011
cf800000-cfbfffff : 0000:03:00.4
--
d3400000-d37fffff : 0000:04:00.5
d3400000-d3400fff : pl011-pci-04:0005
d3400000-d3400fff : uart-pl011
d3800000-d3bfffff : 0000:04:00.4
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
serial: add amba-pl011-pci
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/amba/bus.c | 2 +-
drivers/tty/serial/Kconfig | 10 +++-
drivers/tty/serial/Makefile | 1 +
drivers/tty/serial/amba-pl011-pci.c | 101 +++++++++++++++++++++++++++++++++++
drivers/tty/serial/amba-pl011.c | 2 +-
include/asm-generic/sizes.h | 49 +----------------
include/linux/sizes.h | 47 ++++++++++++++++
13 files changed, 171 insertions(+), 55 deletions(-)
create mode 100644 drivers/tty/serial/amba-pl011-pci.c
create mode 100644 include/linux/sizes.h
--
1.7.7.2
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