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authorBenjamin Krill <ben@codiert.org>2009-01-07 04:32:38 -0500
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-01-08 00:25:18 -0500
commit5886188dc7ba9a76babcd37452f44079a9a77f71 (patch)
tree3d8e4e807c88b33299abb85e138970498f322f60 /drivers/serial/Kconfig
parent2b79d6962322facfd377a402730e4b381af95a40 (diff)
serial: Add driver for the Cell Network Processor serial port NWP device
Add support for the nwp serial device which is connected to a DCR bus. It uses the of_serial device driver to determine necessary properties from the device tree. The supported device is added as serial port number 85. NWP stands for network processor and it is part of the QPACE - Quantum Chromodynamics Parallel Computing on the Cell Broadband Engine project. The implementation is a lightweight uart implementation with the focus to consume as little resources as possible and it is connected to a DCR bus. Signed-off-by: Benjamin Krill <ben@codiert.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/serial/Kconfig')
-rw-r--r--drivers/serial/Kconfig19
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index b695ab3142d..64fcf8c2082 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -1320,13 +1320,30 @@ config SERIAL_NETX_CONSOLE
1320config SERIAL_OF_PLATFORM 1320config SERIAL_OF_PLATFORM
1321 tristate "Serial port on Open Firmware platform bus" 1321 tristate "Serial port on Open Firmware platform bus"
1322 depends on PPC_OF 1322 depends on PPC_OF
1323 depends on SERIAL_8250 1323 depends on SERIAL_8250 || SERIAL_OF_PLATFORM_NWPSERIAL
1324 help 1324 help
1325 If you have a PowerPC based system that has serial ports 1325 If you have a PowerPC based system that has serial ports
1326 on a platform specific bus, you should enable this option. 1326 on a platform specific bus, you should enable this option.
1327 Currently, only 8250 compatible ports are supported, but 1327 Currently, only 8250 compatible ports are supported, but
1328 others can easily be added. 1328 others can easily be added.
1329 1329
1330config SERIAL_OF_PLATFORM_NWPSERIAL
1331 tristate "NWP serial port driver"
1332 depends on PPC_OF && PPC_DCR
1333 select SERIAL_OF_PLATFORM
1334 select SERIAL_CORE_CONSOLE
1335 select SERIAL_CORE
1336 help
1337 This driver supports the cell network processor nwp serial
1338 device.
1339
1340config SERIAL_OF_PLATFORM_NWPSERIAL_CONSOLE
1341 bool "Console on NWP serial port"
1342 depends on SERIAL_OF_PLATFORM_NWPSERIAL=y
1343 select SERIAL_CORE_CONSOLE
1344 help
1345 Support for Console on the NWP serial ports.
1346
1330config SERIAL_QE 1347config SERIAL_QE
1331 tristate "Freescale QUICC Engine serial port support" 1348 tristate "Freescale QUICC Engine serial port support"
1332 depends on QUICC_ENGINE 1349 depends on QUICC_ENGINE