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authorScott Wood <scottwood@freescale.com>2007-09-28 14:06:16 -0500
committerKumar Gala <galak@kernel.crashing.org>2007-10-04 15:47:05 -0500
commit15f8c604a79c4840ed76eecf3af5d88b7c1dee9e (patch)
treed86815bc2daf835fee081ee7dac92cef8784f6a3 /arch/powerpc/Kconfig.debug
parent3c5df5c26ed17828760945d59653a2e22e3fb63f (diff)
downloadlinaro-lsk-15f8c604a79c4840ed76eecf3af5d88b7c1dee9e.tar.gz
[POWERPC] cpm: Describe multi-user ram in its own device node.
The way the current CPM binding describes available multi-user (a.k.a. dual-ported) RAM doesn't work well when there are multiple free regions, and it doesn't work at all if the region doesn't begin at the start of the muram area (as the hardware needs to be programmed with offsets into this area). The latter situation can happen with SMC UARTs on CPM2, as its parameter RAM is relocatable, u-boot puts it at zero, and the kernel doesn't support moving it. It is now described with a muram node, similar to QE. The current CPM binding is sufficiently recent (i.e. never appeared in an official release) that compatibility with existing device trees is not an issue. The code supporting the new binding is shared between cpm1 and cpm2, rather than remain separated. QE should be able to use this code as well, once minor fixes are made to its device trees. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/Kconfig.debug')
-rw-r--r--arch/powerpc/Kconfig.debug6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug
index f4e5d22312a..464f9b4b316 100644
--- a/arch/powerpc/Kconfig.debug
+++ b/arch/powerpc/Kconfig.debug
@@ -245,9 +245,9 @@ config PPC_EARLY_DEBUG_44x_PHYSHIGH
config PPC_EARLY_DEBUG_CPM_ADDR
hex "CPM UART early debug transmit descriptor address"
depends on PPC_EARLY_DEBUG_CPM
- default "0xfa202808" if PPC_EP88XC
- default "0xf0000808" if CPM2
- default "0xff002808" if CPM1
+ default "0xfa202008" if PPC_EP88XC
+ default "0xf0000008" if CPM2
+ default "0xff002008" if CPM1
help
This specifies the address of the transmit descriptor
used for early debug output. Because it is needed before