This is v4 of the "early debugging using usbgecko" patch. It tries to implement the ideas suggested by Benjamin Herrenschmidt regarding the use of a set of fixmap entries to provide safe virtual address space for an early mapping.
Albert Herranz (2): powerpc: reserve fixmap entries for early debug powerpc: gamecube/wii: early debugging using usbgecko arch/powerpc/Kconfig.debug | 8 +++ arch/powerpc/include/asm/fixmap.h | 3 + arch/powerpc/include/asm/udbg.h | 1 + arch/powerpc/kernel/head_32.S | 25 +++++++++ arch/powerpc/kernel/udbg.c | 2 + arch/powerpc/platforms/embedded6xx/usbgecko_udbg.c | 56 ++++++++++++++++++++ arch/powerpc/platforms/embedded6xx/usbgecko_udbg.h | 2 + 7 files changed, 97 insertions(+), 0 deletions(-) _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev