user/sven/linux.git/arch/powerpc/kernel/btext.c, branch v4.4.27

powerpc/btext: Fix CONFIG_PPC_EARLY_DEBUG_BOOTX on ppc32

2013-08-27T06:01:23Z

The "rmci" stuff only exists on 64-bit Signed-off-by: Benjamin Herrenschmidt

powerpc/pmac: Early debug output on screen on 64-bit macs

2013-08-14T04:57:40Z

We have a bunch of CONFIG_PPC_EARLY_DEBUG_* options that are intended for bringup/debug only. They hard wire a machine specific udbg backend very early on (before we even probe the platform), and use whatever tricks are available on each machine/cpu to be able to get some kind of output out there early on. So far, on powermac with no serial ports, we have CONFIG_PPC_EARLY_DEBUG_BOOTX to use the low-level btext engine on the screen, but it doesn't do much, at least on 64-bit. It only really gets enabled after the platform has been probed and the MMU enabled. This adds a way to enable it much earlier. From prom_init.c (while still running with Open Firmware), we grab the screen details and set things up using the physical address of the frame buffer. Then btext itself uses the "rm_ci" feature of the 970 processor (Real Mode Cache Inhibited) to access it while in real mode. We need to do a little bit of reorg of the btext code to inline things better, in order to limit how much we touch memory while in this mode as the consequences might be ... interesting. This successfully allowed me to debug problems early on with the G5 (related to gold being broken vs. ppc64 kernels). Signed-off-by: Benjamin Herrenschmidt

powerpc: various straight conversions from module.h --> export.h

2011-10-31T23:30:44Z

All these files were including module.h just for the basic EXPORT_SYMBOL infrastructure. We can shift them off to the export.h header which is a way smaller footprint and thus realize some compile time gains. Signed-off-by: Paul Gortmaker

Fix common misspellings

2011-03-31T14:26:23Z

Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi

lmb: rename to memblock

2010-07-14T07:14:00Z

via following scripts FILES=$(find * -type f | grep -vE 'oprofile|[^K]config') sed -i \ -e 's/lmb/memblock/g' \ -e 's/LMB/MEMBLOCK/g' \ $FILES for N in $(find . -name lmb.[ch]); do M=$(echo $N | sed 's/lmb/memblock/g') mv $N $M done and remove some wrong change like lmbench and dlmb etc. also move memblock.c from lib/ to mm/ Suggested-by: Ingo Molnar Acked-by: "H. Peter Anvin" Acked-by: Benjamin Herrenschmidt Acked-by: Linus Torvalds Signed-off-by: Yinghai Lu Signed-off-by: Benjamin Herrenschmidt

powerpc: Use the common ascii hex helpers

2008-08-20T06:34:57Z

[akpm@linux-foundation.org: exclude prom_init.c] Signed-off-by: Harvey Harrison Signed-off-by: Andrew Morton Signed-off-by: Paul Mackerras

[POWERPC] Remove duplicate #include

2008-05-09T10:22:58Z

Remove duplicate #include of in arch/powerpc/kernel/btext.c. Signed-off-by: Huang Weiyi Signed-off-by: Paul Mackerras

[LIB]: Make PowerPC LMB code generic so sparc64 can use it too.

2008-02-14T00:56:49Z

Signed-off-by: David S. Miller

[POWERPC] Use for_each macros in arch/powerpc/kernel

2008-01-17T03:56:55Z

Signed-off-by: Cyrill Gorcunov Signed-off-by: Paul Mackerras

[POWERPC] Fix early btext debug on PowerMac

2007-11-13T05:22:44Z

The early btext debug wouldn't work on PowerMac when booted from BootX due to the code looking for the wrong property name. Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Paul Mackerras