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Scott Wood 15f8c604a7 [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>		18 years ago
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Makefile	Linux-2.6.12-rc2	20 years ago
cpm_uart.h	[POWERPC] cpm_uart: sparse fixes	18 years ago
cpm_uart_core.c	[POWERPC] cpm_uart: Issue STOP_TX command before initializing console.	18 years ago
cpm_uart_cpm1.c	[POWERPC] cpm_uart: sparse fixes	18 years ago
cpm_uart_cpm1.h	[POWERPC] cpm_uart: sparse fixes	18 years ago
cpm_uart_cpm2.c	[POWERPC] cpm: Describe multi-user ram in its own device node.	18 years ago
cpm_uart_cpm2.h	[POWERPC] cpm_uart: sparse fixes	18 years ago