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[ARM] 3388/1: ixp23xx: add core ixp23xx support
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Patch from Lennert Buytenhek

This patch adds support for the Intel ixp23xx series of CPUs.  The
ixp23xx is an XSC3 based CPU with 512K of L2 cache, a 64bit 66MHz PCI
interface, two DDR RAM interfaces, QDR RAM interfaces, two gigabit
MACs, two 10/100 MACs, expansion bus, four microengines, a Media and
Switch Fabric unit almost identical to the one on the ixp2400, two
xscale (8250ish) UARTs and a bunch of other stuff.

This patch adds the core ixp23xx support code, and support for the
ADI Engineering Roadrunner, Intel IXDP2351, and IP Fabrics Double
Espresso platforms.

Signed-off-by: Deepak Saxena <dsaxena@plexity.net>
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Lennert Buytenhek authored and Russell King committed Mar 28, 2006
1 parent e9937d4 commit c471307
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Showing 25 changed files with 2,254 additions and 1 deletion.
11 changes: 10 additions & 1 deletion arch/arm/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -148,6 +148,12 @@ config ARCH_IXP2000
help
Support for Intel's IXP2400/2800 (XScale) family of processors.

config ARCH_IXP23XX
bool "IXP23XX-based"
select PCI
help
Support for Intel's IXP23xx (XScale) family of processors.

config ARCH_L7200
bool "LinkUp-L7200"
select FIQ
Expand Down Expand Up @@ -269,6 +275,8 @@ source "arch/arm/mach-ixp4xx/Kconfig"

source "arch/arm/mach-ixp2000/Kconfig"

source "arch/arm/mach-ixp23xx/Kconfig"

source "arch/arm/mach-pxa/Kconfig"

source "arch/arm/mach-sa1100/Kconfig"
Expand Down Expand Up @@ -787,7 +795,8 @@ source "drivers/acorn/block/Kconfig"

if PCMCIA || ARCH_CLPS7500 || ARCH_IOP3XX || ARCH_IXP4XX \
|| ARCH_L7200 || ARCH_LH7A40X || ARCH_PXA || ARCH_RPC \
|| ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE
|| ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE \
|| ARCH_IXP23XX
source "drivers/ide/Kconfig"
endif

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1 change: 1 addition & 0 deletions arch/arm/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -98,6 +98,7 @@ endif
machine-$(CONFIG_ARCH_IOP3XX) := iop3xx
machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
machine-$(CONFIG_ARCH_IXP2000) := ixp2000
machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
machine-$(CONFIG_ARCH_OMAP1) := omap1
machine-$(CONFIG_ARCH_OMAP2) := omap2
incdir-$(CONFIG_ARCH_OMAP) := omap
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25 changes: 25 additions & 0 deletions arch/arm/mach-ixp23xx/Kconfig
Original file line number Diff line number Diff line change
@@ -0,0 +1,25 @@
if ARCH_IXP23XX

config ARCH_SUPPORTS_BIG_ENDIAN
bool
default y

menu "Intel IXP23xx Implementation Options"

comment "IXP23xx Platforms"

config MACH_ESPRESSO
bool "Support IP Fabrics Double Espresso platform"
help

config MACH_IXDP2351
bool "Support Intel IXDP2351 platform"
help

config MACH_ROADRUNNER
bool "Support ADI RoadRunner platform"
help

endmenu

endif
11 changes: 11 additions & 0 deletions arch/arm/mach-ixp23xx/Makefile
Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
#
# Makefile for the linux kernel.
#
obj-y := core.o pci.o
obj-m :=
obj-n :=
obj- :=

obj-$(CONFIG_MACH_ESPRESSO) += espresso.o
obj-$(CONFIG_MACH_IXDP2351) += ixdp2351.o
obj-$(CONFIG_MACH_ROADRUNNER) += roadrunner.o
2 changes: 2 additions & 0 deletions arch/arm/mach-ixp23xx/Makefile.boot
Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
zreladdr-y := 0x00008000
params_phys-y := 0x00000100
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