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Date: Tue, 15 Dec 2009 11:38:47 -0700
From: Grant Likely <grant.likely@...retlab.ca>
To: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
Kumar Gala <galak@...nel.crashing.org>,
Linus <torvalds@...ux-foundation.org>
Subject: Re: linux-next: manual merge of the 52xx-and-virtex tree with the
tree
On Mon, Dec 14, 2009 at 4:31 PM, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> Hi Grant,
>
> Today's linux-next merge of the 52xx-and-virtex tree got a conflict in
> arch/powerpc/mm/fsl_booke_mmu.c between commit
> 8b27f0b61db57f5555fc2d3fc95c3ea9fd1a9d6c ("powerpc/fsl-booke: Rework TLB
> CAM code") from Linus' tree and commit
> ae4cec4736969ec2196a6bbce4ab263ff7cb7eef ("powerpc: fix up for
> mmu_mapin_ram api change") from the 52xx-and-virtex tree.
>
> I fixed it up (see below) and can carry the fix for a while. Grant, you
> can (of course) fix this by merging with Linus' tree. (Or Linus, if you
> merge Grant's tree, I think this fixup is correct).
Yup, this looks like the correct fix to me. I came out to the same
result when I merged. I've also build tested for booke.
Linus, I've done a trial merge and pushed it out to the next-resolved
branch on my tree (pull req below). You can either use my previous
pull request and fix it up yourself or use this one:
The following changes since commit 8bea8672edfca7ec5f661cafb218f1205863b343:
Stephen Rothwell (1):
mfd: compile fix for twl4030 renaming
are available in the git repository at:
git://git.secretlab.ca/git/linux-2.6 next-resolved
Albert Herranz (22):
powerpc: gamecube/wii: usbgecko bootwrapper console support
powerpc: gamecube: device tree
powerpc: gamecube: bootwrapper bits
powerpc: gamecube/wii: introduce GAMECUBE_COMMON
powerpc: gamecube/wii: declare as non-coherent platforms
powerpc: gamecube/wii: do not include PCI support
powerpc: gamecube/wii: udbg support for usbgecko
powerpc: gamecube/wii: flipper interrupt controller support
powerpc: gamecube: platform support
powerpc: gamecube: default config
powerpc: wii: device tree
powerpc: wii: bootwrapper bits
powerpc: broadway processor support
powerpc: wii: hollywood interrupt controller support
powerpc: wii: platform support
powerpc: wii: default config
powerpc: reserve fixmap entries for early debug
powerpc: gamecube/wii: early debugging using usbgecko
wii: bootwrapper: add fixup to calc useable mem2
wii: use both mem1 and mem2 as ram
powerpc: allow ioremap within reserved memory regions
powerpc: wii: allow ioremap within the memory hole
Grant Likely (1):
powerpc: Merge Nintendo branch with Linus' tree to resolve merge conflicts
Stephen Rothwell (1):
powerpc: fix up for mmu_mapin_ram api change
.../powerpc/dts-bindings/nintendo/gamecube.txt | 109 ++
.../powerpc/dts-bindings/nintendo/wii.txt | 184 +++
arch/powerpc/Kconfig | 2 +-
arch/powerpc/Kconfig.debug | 8 +
arch/powerpc/boot/Makefile | 7 +-
arch/powerpc/boot/dts/gamecube.dts | 114 ++
arch/powerpc/boot/dts/wii.dts | 218 +++
arch/powerpc/boot/gamecube-head.S | 111 ++
arch/powerpc/boot/gamecube.c | 35 +
arch/powerpc/boot/ugecon.c | 147 ++
arch/powerpc/boot/ugecon.h | 24 +
arch/powerpc/boot/wii-head.S | 142 ++
arch/powerpc/boot/wii.c | 158 +++
arch/powerpc/boot/wrapper | 4 +
arch/powerpc/configs/gamecube_defconfig | 1061 +++++++++++++++
arch/powerpc/configs/wii_defconfig | 1406 ++++++++++++++++++++
arch/powerpc/include/asm/fixmap.h | 3 +
arch/powerpc/include/asm/udbg.h | 1 +
arch/powerpc/kernel/cputable.c | 6 +-
arch/powerpc/kernel/head_32.S | 25 +
arch/powerpc/kernel/udbg.c | 2 +
arch/powerpc/mm/40x_mmu.c | 2 +-
arch/powerpc/mm/44x_mmu.c | 2 +-
arch/powerpc/mm/fsl_booke_mmu.c | 2 +-
arch/powerpc/mm/init_32.c | 9 +
arch/powerpc/mm/mmu_decl.h | 17 +-
arch/powerpc/mm/pgtable_32.c | 36 +-
arch/powerpc/mm/ppc_mmu_32.c | 4 +-
arch/powerpc/platforms/Kconfig.cputype | 2 +-
arch/powerpc/platforms/embedded6xx/Kconfig | 33 +
arch/powerpc/platforms/embedded6xx/Makefile | 4 +
arch/powerpc/platforms/embedded6xx/flipper-pic.c | 263 ++++
arch/powerpc/platforms/embedded6xx/flipper-pic.h | 25 +
arch/powerpc/platforms/embedded6xx/gamecube.c | 118 ++
arch/powerpc/platforms/embedded6xx/hlwd-pic.c | 241 ++++
arch/powerpc/platforms/embedded6xx/hlwd-pic.h | 22 +
arch/powerpc/platforms/embedded6xx/usbgecko_udbg.c | 328 +++++
arch/powerpc/platforms/embedded6xx/usbgecko_udbg.h | 32 +
arch/powerpc/platforms/embedded6xx/wii.c | 268 ++++
include/linux/lmb.h | 1 +
lib/lmb.c | 7 +-
41 files changed, 5161 insertions(+), 22 deletions(-)
create mode 100644 Documentation/powerpc/dts-bindings/nintendo/gamecube.txt
create mode 100644 Documentation/powerpc/dts-bindings/nintendo/wii.txt
create mode 100644 arch/powerpc/boot/dts/gamecube.dts
create mode 100644 arch/powerpc/boot/dts/wii.dts
create mode 100644 arch/powerpc/boot/gamecube-head.S
create mode 100644 arch/powerpc/boot/gamecube.c
create mode 100644 arch/powerpc/boot/ugecon.c
create mode 100644 arch/powerpc/boot/ugecon.h
create mode 100644 arch/powerpc/boot/wii-head.S
create mode 100644 arch/powerpc/boot/wii.c
create mode 100644 arch/powerpc/configs/gamecube_defconfig
create mode 100644 arch/powerpc/configs/wii_defconfig
create mode 100644 arch/powerpc/platforms/embedded6xx/flipper-pic.c
create mode 100644 arch/powerpc/platforms/embedded6xx/flipper-pic.h
create mode 100644 arch/powerpc/platforms/embedded6xx/gamecube.c
create mode 100644 arch/powerpc/platforms/embedded6xx/hlwd-pic.c
create mode 100644 arch/powerpc/platforms/embedded6xx/hlwd-pic.h
create mode 100644 arch/powerpc/platforms/embedded6xx/usbgecko_udbg.c
create mode 100644 arch/powerpc/platforms/embedded6xx/usbgecko_udbg.h
create mode 100644 arch/powerpc/platforms/embedded6xx/wii.c
> --
> Cheers,
> Stephen Rothwell sfr@...b.auug.org.au
>
> diff --cc arch/powerpc/mm/fsl_booke_mmu.c
> index fcfcb6e,6da4b90..0000000
> --- a/arch/powerpc/mm/fsl_booke_mmu.c
> +++ b/arch/powerpc/mm/fsl_booke_mmu.c
> @@@ -172,44 -148,27 +172,44 @@@ static void settlbcam(int index, unsign
> loadcam_entry(index);
> }
>
> -void invalidate_tlbcam_entry(int index)
> -{
> - TLBCAM[index].MAS0 = MAS0_TLBSEL(1) | MAS0_ESEL(index);
> - TLBCAM[index].MAS1 = ~MAS1_VALID;
> -
> - loadcam_entry(index);
> -}
> -
> -unsigned long __init mmu_mapin_ram(unsigned long top)
> +unsigned long map_mem_in_cams(unsigned long ram, int max_cam_idx)
> {
> + int i;
> unsigned long virt = PAGE_OFFSET;
> phys_addr_t phys = memstart_addr;
> + unsigned long amount_mapped = 0;
> + unsigned long max_cam = (mfspr(SPRN_TLB1CFG) >> 16) & 0xf;
> +
> + /* Convert (4^max) kB to (2^max) bytes */
> + max_cam = max_cam * 2 + 10;
>
> - while (tlbcam_index < ARRAY_SIZE(cam) && cam[tlbcam_index]) {
> - settlbcam(tlbcam_index, virt, phys, cam[tlbcam_index], PAGE_KERNEL_X, 0);
> - virt += cam[tlbcam_index];
> - phys += cam[tlbcam_index];
> - tlbcam_index++;
> + /* Calculate CAM values */
> + for (i = 0; ram && i < max_cam_idx; i++) {
> + unsigned int camsize = __ilog2(ram) & ~1U;
> + unsigned int align = __ffs(virt | phys) & ~1U;
> + unsigned long cam_sz;
> +
> + if (camsize > align)
> + camsize = align;
> + if (camsize > max_cam)
> + camsize = max_cam;
> +
> + cam_sz = 1UL << camsize;
> + settlbcam(i, virt, phys, cam_sz, PAGE_KERNEL_X, 0);
> +
> + ram -= cam_sz;
> + amount_mapped += cam_sz;
> + virt += cam_sz;
> + phys += cam_sz;
> }
> + tlbcam_index = i;
> +
> + return amount_mapped;
> +}
>
> - unsigned long __init mmu_mapin_ram(void)
> - return virt - PAGE_OFFSET;
> ++unsigned long __init mmu_mapin_ram(unsigned long top)
> +{
> + return tlbcam_addrs[tlbcam_index - 1].limit - PAGE_OFFSET + 1;
> }
>
> /*
>
--
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
--
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