On Mon, Feb 03, 2014 at 10:34:15AM +, Will Deacon wrote:
On Thu, Jan 30, 2014 at 01:12:47PM +, Leif Lindholm wrote:
Oh, that's neat - thanks!
Well, given that, I can think of two less horrible options:
1)
.macro update_sctlr, tmp:req, set=, clear=
mrc p15, 0
On Mon, Feb 03, 2014 at 04:00:51PM +, Will Deacon wrote:
With the two call sites in uefi_phys.S as:
ldr r5, =(CR_M)
update_sctlrr12, , r5
and
ldr r4, =(CR_I | CR_C | CR_M)
update_sctlrr12, r4
These ldr= could
On Mon, Feb 03, 2014 at 04:57:18PM +, Will Deacon wrote:
mov[tw]: why?
Then we end up battling different available immediate fields in A32/T32
instruction sets and v5/v6/v7 architecture versions.
I was making the assumption that UEFI was going to be v7 only... is this not
true?
-by: Laura Abbott lau...@codeaurora.org
On VExpress TC2:
Tested-by: Leif Lindholm leif.lindh...@linaro.org
(Applies also to 1/2, of course.)
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From: H. Peter Anvin h...@zytor.com
Improve the conversion of the UTF-16 EFI command line
to UTF-8 for passing to the kernel.
Signed-off-by: Roy Franz roy.fr...@linaro.org
Signed-off-by: H. Peter Anvin h...@zytor.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
arch/x86/boot
From: Ard Biesheuvel ard.biesheu...@linaro.org
Loading unauthenticated FDT blobs directly from storage is a security hazard,
so this should only be allowed when running with UEFI Secure Boot disabled.
Signed-off-by: Ard Biesheuvel ard.biesheu...@linaro.org
Signed-off-by: Leif Lindholm leif.lindh
...@redhat.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
arch/arm64/Kconfig | 16 ++
arch/arm64/include/asm/efi.h | 12 ++
arch/arm64/kernel/Makefile |1 +
arch/arm64/kernel/efi.c | 462 ++
arch/arm64/kernel/setup.c|3
Add bswapsdi2.S, fdt_empty_tree.c and fdt_sw.c to ignore list.
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
arch/arm/boot/compressed/.gitignore |3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/boot/compressed/.gitignore
b/arch/arm/boot/compressed/.gitignore
index
From: Mark Salter msal...@redhat.com
CONFIG_LIBFDT support does not include fdt_empty_tree.c which is
needed by arm64 EFI stub. Add it to libfdt_files.
Signed-off-by: Mark Salter msal...@redhat.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
lib/Makefile |3 ++-
lib
but this is not sufficient
for UEFI. This patch adds a create_id_mapping() function which reuses
the core code of the existing create_mapping().
Signed-off-by: Mark Salter msal...@redhat.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
arch/arm64/include/asm/mmu.h |2 ++
arch/arm64/mm/mmu.c
is not used by
the zImage interface.
Signed-off-by: Roy Franz roy.fr...@linaro.org
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Acked-by: Grant Likely grant.lik...@linaro.org
---
arch/arm/Kconfig | 11 +++
arch/arm/boot/compressed/Makefile | 17 -
arch/arm/boot
From: Mark Salter msal...@redhat.com
Add explanation of arm64 EFI stub and kernel image header changes
needed to masquerade as a PE/COFF application.
Signed-off-by: Mark Salter msal...@redhat.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Acked-by: Grant Likely grant.lik...@linaro.org
Biesheuvel.
Signed-off-by: Ard Biesheuvel ard.biesheu...@linaro.org
Signed-off-by: Mark Salter msal...@redhat.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
arch/arm64/Kconfig| 10
arch/arm64/kernel/Makefile|3 ++
arch/arm64/kernel/efi-entry.S | 93
This patch provides documentation of the [U]EFI runtime service and
configuration features for the arm architecture.
Changes since v1/v2:
- Complete rewrite.
- New FDT bindings.
Cc: Rob Landley r...@landley.net
Cc: linux-...@vger.kernel.org
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
, with the implementation copied
from the arch/x86/boot/string.c file used by the x86 decompressor.
Signed-off-by: Roy Franz roy.fr...@linaro.org
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Reviewed-by: Grant Likely grant.lik...@linaro.org
---
arch/arm/boot/compressed/string.c | 21
From: Roy Franz roy.fr...@linaro.org
Add the get_dram_base() function and efi_call_physN() macros
that are shared by arm/arm64.
Signed-off-by: Roy Franz roy.fr...@linaro.org
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
drivers/firmware/efi/efi-stub-helper.c | 63
bindings.
- Preserve regions marked RESERVED (but don't map them).
- Rename 'efi' - 'uefi' within this new port (leaving core code as is).
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Reviewed-by: Grant Likely grant.lik...@linaro.org
---
arch/arm/Kconfig| 16 ++
arch/arm/include
...@linaro.org
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
drivers/firmware/efi/arm-stub.c | 145 +++
drivers/firmware/efi/fdt.c | 31 +++--
2 files changed, 171 insertions(+), 5 deletions(-)
create mode 100644 drivers/firmware/efi/arm
From: Roy Franz roy.fr...@linaro.org
Update efi-stub.txt documentation to be more general
and not x86 specific. Add ARM only dtb= command
line option description.
Signed-off-by: Roy Franz roy.fr...@linaro.org
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Acked-by: Grant Likely grant.lik
From: Roy Franz roy.fr...@linaro.org
Add a wrapper for printk to standardize the prefix for informational and
error messages from the EFI stub.
Signed-off-by: Roy Franz roy.fr...@linaro.org
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
drivers/firmware/efi/efi-stub-helper.c | 25
Certain operations can be considered mandatory for any piece of code
preparing to switch off the MMU. Break this out into separate function
idmap_prepare().
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Suggested-by: Will Deacon will.dea...@arm.com
Acked-by: Will Deacon will.dea
: ignore dtb= when UEFI SecureBoot is enabled
H. Peter Anvin (1):
Improve cmdline conversion
Leif Lindholm (6):
arm: break part of __soft_restart out into separate function
arm: add new asm macro update_sctlr
Documentation: arm: add UEFI support documentation
arm: Add [U]EFI runtime
CONFIG_UEFI_PARAMS_FROM_FDT.
Signed-off-by: Mark Salter msal...@redhat.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
drivers/firmware/efi/Kconfig |7
drivers/firmware/efi/efi.c | 79 ++
include/linux/efi.h |9 +
3 files changed, 95
A new macro for setting/clearing bits in the SCTLR.
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Suggested-by: Will Deacon will.dea...@arm.com
Cc: Will Deacon will.dea...@arm.com
---
arch/arm/include/asm/assembler.h | 14 ++
1 file changed, 14 insertions(+)
diff --git
decompressor/stub is also built with -fno-stack-protector.
Signed-off-by: Roy Franz roy.fr...@linaro.org
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
arch/arm/boot/compressed/Makefile |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/boot/compressed/Makefile
Since the efi_set_virtual_address_map call has strict init ordering
requirements, add an explicit hook in the required place.
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Acked-by: Grant Likely grant.lik...@linaro.org
---
init/main.c |4
1 file changed, 4 insertions(+)
diff
#ifdefs in
efi-stub-helper.c.
Signed-off-by: Roy Franz roy.fr...@linaro.org
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Acked-by: Grant Likely grant.lik...@linaro.org
---
drivers/firmware/efi/fdt.c | 247
include/linux/efi.h|3
On Tue, Jan 14, 2014 at 06:16:58PM -0800, Roy Franz wrote:
+ .align 3
+pe_header:
+ .ascii PE
+ .short 0
+
+coff_header:
+ .short 0x01c2 @ ARM or Thumb
Could you explain why you are using 0x1c2 (Thumb) here and not 0x1c0 (ARM)
On Wed, Jan 22, 2014 at 11:20:55AM +, Will Deacon wrote:
+#ifdef CONFIG_CPU_CP15
+/* Macro for setting/clearing bits in sctlr */
+ .macro update_sctlr, set:req, clear:req, tmp:req, tmp2:req
+ mrc p15, 0, \tmp, c1, c0, 0
+ ldr \tmp2, =\set
+ orr \tmp, \tmp, \tmp2
On Wed, Jan 29, 2014 at 03:58:44PM -0500, Mark Salter wrote:
(i.e. conditionalise on whether an optional parameter was provided),
so my attempt of refactoring actually ends up using an additional
register:
Register parameters are just strings, so how about this:
.macro foo
On Wed, Dec 11, 2013 at 10:39:03AM +, Matt Fleming wrote:
Leif, Mark, does this patch look OK for ARM? We'd need to introduce a
new early_memunmap() function so that things still build, but that
should be straight forward. You'd even be able to get rid of the
asymmetry in uefi_init() where
On Wed, Dec 11, 2013 at 10:17:58AM -0500, Mark Salter wrote:
Anyway, I posted a patch to create a generic early_ioremap
implementation using generic bits of the x86 code:
https://lkml.org/lkml/2013/11/27/621
So maybe Dave's patch 1/14 should be part of that series or
get rebased on top
On Fri, Dec 06, 2013 at 08:34:30AM -0500, Mark Salter wrote:
Or just disable runtime services on the switch to big ending. Big endian
should not disable the stub (but getting it to work could be a follow-up
patch)
The other problem with BE is that the PE/COFF masquerading is built into
Hi Arnd,
Thank you for your comments.
On Fri, Dec 06, 2013 at 02:59:48AM +0100, Arnd Bergmann wrote:
On Thursday 28 November 2013, Leif Lindholm wrote:
@@ -898,6 +900,10 @@ void __init setup_arch(char **cmdline_p)
sanity_check_meminfo();
arm_memblock_init(meminfo, mdesc
Apologies for late feedback.
On Fri, Nov 29, 2013 at 05:05:12PM -0500, Mark Salter wrote:
diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c
new file mode 100644
index 000..1bad8a7
--- /dev/null
+++ b/arch/arm64/kernel/efi.c
@@ -0,0 +1,507 @@
+/*
+ * Extensible Firmware
On Tue, Apr 29, 2014 at 04:27:07PM +0100, Matt Fleming wrote:
I'm wondering if it would be better to organize it into a separate topic
branch. We can still take it through tip, if you want, but it would be
better than putting it all into one tree.
Sure, that makes sense. I'll do that.
This is the set of patches from the arm/arm64 UEFI support that are not
in fact architecture specific. This set depends on other EFI patches
already in linux-next.
H. Peter Anvin (1):
efi: x86: Improve cmdline conversion
Leif Lindholm (1):
efi: efi-stub-helper cleanup
Mark Salter (1):
efi
From: H. Peter Anvin h...@zytor.com
Improve the conversion of the UTF-16 EFI command line
to UTF-8 for passing to the kernel.
Signed-off-by: Roy Franz roy.fr...@linaro.org
Signed-off-by: H. Peter Anvin h...@zytor.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
arch/x86/boot
From: Roy Franz roy.fr...@linaro.org
Add a wrapper for printk to standardize the prefix for informational and
error messages from the EFI stub.
Signed-off-by: Roy Franz roy.fr...@linaro.org
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
drivers/firmware/efi/efi-stub-helper.c | 13
From: Roy Franz roy.fr...@linaro.org
Add the get_dram_base() function, shared by arm/arm64.
Signed-off-by: Roy Franz roy.fr...@linaro.org
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
drivers/firmware/efi/efi-stub-helper.c | 30 ++
1 file changed, 30
in the future.
Signed-off-by: Mark Salter msal...@redhat.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
include/linux/efi.h |6 ++
1 file changed, 6 insertions(+)
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 6c100ff..82d0abb 100644
--- a/include/linux/efi.h
not always
pick this up. Initialize to NULL to remove the resulting warning.
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
drivers/firmware/efi/efi-stub-helper.c | 16 +++-
1 file changed, 3 insertions(+), 13 deletions(-)
diff --git a/drivers/firmware/efi/efi-stub
From: Mark Salter msal...@redhat.com
Add explanation of arm64 EFI stub and kernel image header changes
needed to masquerade as a PE/COFF application.
Signed-off-by: Mark Salter msal...@redhat.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Acked-by: Grant Likely grant.lik...@linaro.org
From: Ard Biesheuvel ard.biesheu...@linaro.org
Loading unauthenticated FDT blobs directly from storage is a security hazard,
so this should only be allowed when running with UEFI Secure Boot disabled.
Signed-off-by: Ard Biesheuvel ard.biesheu...@linaro.org
Signed-off-by: Leif Lindholm leif.lindh
...@redhat.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Cc: Catalin Marinas catalin.mari...@arm.com
---
arch/arm64/Kconfig |7 +
arch/arm64/include/asm/efi.h | 14 ++
arch/arm64/kernel/Makefile |2 +-
arch/arm64/kernel/efi.c | 469
Biesheuvel.
Signed-off-by: Ard Biesheuvel ard.biesheu...@linaro.org
Signed-off-by: Mark Salter msal...@redhat.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Cc: Catalin Marinas catalin.mari...@arm.com
Cc: Matt Fleming matt.flem...@intel.com
---
arch/arm64/Kconfig | 14
This patch provides documentation of the [U]EFI runtime service and
configuration features for the arm architecture.
Cc: Rob Landley r...@landley.net
Cc: linux-...@vger.kernel.org
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Acked-by: Grant Likely grant.lik...@linaro.org
they are interdependent.
- EFI_DEVICE_TREE_GUID renamed DEVICE_TREE_GUID.
- Minor cleanups.
Ard Biesheuvel (1):
efi/arm64: ignore dtb= when UEFI SecureBoot is enabled
Leif Lindholm (1):
doc: arm: add UEFI support documentation
Mark Salter (6):
lib: add fdt_empty_tree.c
efi: add helper function to get
#ifdefs in
efi-stub-helper.c.
Signed-off-by: Roy Franz roy.fr...@linaro.org
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Acked-by: Grant Likely grant.lik...@linaro.org
Cc: Matt Fleming matt.flem...@intel.com
---
drivers/firmware/efi/fdt.c | 269
but this is not sufficient
for UEFI. This patch adds a create_id_mapping() function which reuses
the core code of the existing create_mapping().
Signed-off-by: Mark Salter msal...@redhat.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Cc: Catalin Marinas catalin.mari...@arm.com
---
arch/arm64/include
From: Mark Salter msal...@redhat.com
CONFIG_LIBFDT support does not include fdt_empty_tree.c which is
needed by arm64 EFI stub. Add it to libfdt_files.
Signed-off-by: Mark Salter msal...@redhat.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Cc: Andrew Morton a...@linux-foundation.org
CONFIG_UEFI_PARAMS_FROM_FDT.
Signed-off-by: Mark Salter msal...@redhat.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Cc: Matt Fleming matt.flem...@intel.com
---
drivers/firmware/efi/Kconfig |7
drivers/firmware/efi/efi.c | 79 ++
include/linux/efi.h
From: Roy Franz roy.fr...@linaro.org
Update efi-stub.txt documentation to be more general
and not x86 specific. Add ARM only dtb= command
line option description.
Signed-off-by: Roy Franz roy.fr...@linaro.org
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Acked-by: Grant Likely grant.lik
On Wed, Apr 23, 2014 at 02:15:08PM +0100, Grant Likely wrote:
The reason for me doing that is because we (including you) agreed at
the discussion held during LCU13 that this was the safest way of
preventing mischief like userland trying to read information from
/proc/device-tree...
I'm
On Wed, Apr 23, 2014 at 02:10:58PM +0100, Grant Likely wrote:
Does anyone have a LongTrail DT to hand, and if so does the root have a
compatible string? From grepping through the kernel I could only find a
model string (IBM,LongTrail).
Actually, on LongTrail this can be removed from the
image area.
- CONFIG_EFI_STUB merged into CONFIG_EFI since they are interdependent.
- EFI_DEVICE_TREE_GUID renamed DEVICE_TREE_GUID.
- Minor cleanups.
Ard Biesheuvel (1):
efi/arm64: ignore dtb= when UEFI SecureBoot is enabled
Leif Lindholm (1):
doc: arm: add UEFI support documentation
Mark
From: Ard Biesheuvel ard.biesheu...@linaro.org
Loading unauthenticated FDT blobs directly from storage is a security hazard,
so this should only be allowed when running with UEFI Secure Boot disabled.
Signed-off-by: Ard Biesheuvel ard.biesheu...@linaro.org
Signed-off-by: Leif Lindholm leif.lindh
in PE/COFF header for signed images]
Signed-off-by: Ard Biesheuvel ard.biesheu...@linaro.org
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
arch/arm64/Kconfig |5 +-
arch/arm64/kernel/Makefile |4 +-
arch/arm64/kernel/efi-entry.S | 109 +
arch
-off-by: Mark Rutland mark.rutl...@arm.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
arch/arm64/Kconfig | 15 ++
arch/arm64/include/asm/efi.h | 14 ++
arch/arm64/kernel/Makefile |1 +
arch/arm64/kernel/efi.c | 466
This patch provides documentation of the [U]EFI runtime service and
configuration features for the arm architecture.
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Acked-by: Grant Likely grant.lik...@linaro.org
---
Documentation/arm/00-INDEX |2 ++
Documentation/arm/uefi.txt | 64
From: Mark Salter msal...@redhat.com
Add explanation of arm64 EFI stub and kernel image header changes
needed to masquerade as a PE/COFF application.
Signed-off-by: Mark Salter msal...@redhat.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Acked-by: Grant Likely grant.lik...@linaro.org
but this is not sufficient
for UEFI. This patch adds a create_id_mapping() function which reuses
the core code of the existing create_mapping().
Signed-off-by: Mark Salter msal...@redhat.com
[ Fixed error message formatting (%pa). ]
Signed-off-by: Mark Rutland mark.rutl...@arm.com
Signed-off-by: Leif Lindholm
From: Roy Franz roy.fr...@linaro.org
Update efi-stub.txt documentation to be more general
and not x86 specific. Add ARM only dtb= command
line option description.
Signed-off-by: Roy Franz roy.fr...@linaro.org
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Acked-by: Grant Likely grant.lik
#ifdefs in
efi-stub-helper.c.
Signed-off-by: Roy Franz roy.fr...@linaro.org
[ Fixed memory node deletion code. ]
Signed-off-by: Mark Rutland mark.rutl...@arm.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Acked-by: Grant Likely grant.lik...@linaro.org
---
drivers/firmware/efi/fdt.c
CONFIG_UEFI_PARAMS_FROM_FDT.
Signed-off-by: Mark Salter msal...@redhat.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
drivers/firmware/efi/Kconfig |7
drivers/firmware/efi/efi.c | 79 ++
include/linux/efi.h |9 +
3 files changed, 95
From: Mark Salter msal...@redhat.com
CONFIG_LIBFDT support does not include fdt_empty_tree.c which is
needed by arm64 EFI stub. Add it to libfdt_files.
Signed-off-by: Mark Salter msal...@redhat.com
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
lib/Makefile |3 ++-
lib
On Thu, Apr 17, 2014 at 07:43:13PM -0500, Rob Herring wrote:
On Thu, Apr 17, 2014 at 12:41 PM, Leif Lindholm
leif.lindh...@linaro.org wrote:
drivers/of/fdt.c contains a workaround for a missing memory type
entry on longtrail firmware. Make that quirk PPC32 only, and while
at it - fix up
Hi Geert,
On Fri, Apr 18, 2014 at 10:04:15AM +0200, Geert Uytterhoeven wrote:
On Thu, Apr 17, 2014 at 7:42 PM, Leif Lindholm leif.lindh...@linaro.org
wrote:
In order to deal with an firmware bug on a specific ppc32 platform
(longtrail), early_init_dt_scan_memory() looks for a node called
On Fri, Apr 18, 2014 at 10:37:58AM -0500, Rob Herring wrote:
But why do you need this?
Apart from the current code permitting recreating a 15+ year old
firmware bug into completely new platform ports?
I would prefer to see a WARN_ON(!IS_ENABLED(CONFIG_PPC32)); added here.
In addition
On Fri, Apr 18, 2014 at 04:28:17PM -0500, Rob Herring wrote:
Apart from the current code permitting recreating a 15+ year old
firmware bug into completely new platform ports?
I would prefer to see a WARN_ON(!IS_ENABLED(CONFIG_PPC32)); added here.
In addition to, or instead of, the
On Tue, Apr 22, 2014 at 02:08:29PM +0100, Grant Likely wrote:
I would prefer to see a WARN_ON(!IS_ENABLED(CONFIG_PPC32)); added here.
I completely agree.
OK. So do we keep this around on unaffected architectures in perpetuity?
Or can there be some cut-off date when the majority of
-kernel@vger.kernel.org
Cc: Mark Rutland mark.rutl...@arm.com
Leif Lindholm (3):
arm: dts: add device_type=memory for ste-ccu8540
mips: dts: add device_type=memory where missing
of: Handle memory@0 node on PPC32 only
arch/arm/boot/dts/ste-ccu8540.dts |1 +
arch/mips/lantiq/dts
The current .dts for ste-ccu8540 lacks a 'device_type = memory' for
its memory node, relying on an old ppc quirk in order to discover its
memory. Add this, to permit that quirk to be made ppc only.
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Cc: linux-arm-ker...@lists.infradead.org
Cc
A few platforms lack a 'device_type = memory' for their memory
nodes, relying on an old ppc quirk in order to discover its memory.
Add this, to permit that quirk to be made ppc only.
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Cc: linux-m...@linux-mips.org
Cc: devicet...@vger.kernel.org
In order to deal with an firmware bug on a specific ppc32 platform
(longtrail), early_init_dt_scan_memory() looks for a node called
memory@0 on all platforms. Restrict this quirk to ppc32 kernels only.
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
Cc: linuxppc-...@lists.ozlabs.org
Cc
On Thu, Jun 27, 2013 at 02:32:19AM +0100, Matthew Garrett wrote:
On Wed, Jun 26, 2013 at 07:38:19AM -0700, James Bottomley wrote:
The fixed virtual address scheme currently being looked at for x86_64 to
make SetVirtualAddressMap() kexec invariant doesn't work on 32 bit
because the address
On Thu, Jun 27, 2013 at 10:47:21AM +0200, Arnd Bergmann wrote:
No, the purpose is just like for x86 - do early parsing of things like
the UEFI system and configuration tables, DMI and ACPI, in order to
populate global structs and stuff.
But are those tables actually in MMIO registers? I
On Fri, Jun 20, 2014 at 10:28:48AM +0100, Catalin Marinas wrote:
On Fri, Jun 20, 2014 at 10:00:08AM +0100, Matt Fleming wrote:
Please pull the following compiler warning fix. Sorry, I've been pretty
slow in getting this pull request sent. Multiple people have reported
hitting it and I've
On Fri, Jun 20, 2014 at 02:49:38PM +0100, Matt Fleming wrote:
On Fri, 20 Jun, at 02:39:19PM, Leif Lindholm wrote:
I did post an alternative patch for one half of this a week before
anyone else, but that one seems to have been ignored, even by gmane:
http://www.spinics.net/lists/linux-efi
On Wed, Aug 06, 2014 at 04:38:25PM +0800, Dave Young wrote:
Adding a noefi boot param like in X86 to disable efi runtime services support.
This will be useful for debugging uefi problems. Also it will be useful
for later kexec/kdump work. Kexec on uefi support in X86 depends on a fixed vm
On Wed, Aug 06, 2014 at 02:20:21PM +0100, Matt Fleming wrote:
Since this is really turning an x86-specific feature into a generic
one, could it be moved to core code?
Maybe an efi.mask, reusing the efi_enabled defines, with an
efi_disabled macro?
Why the new efi_disabled() and
On Wed, Aug 06, 2014 at 03:18:14PM +0100, Matt Fleming wrote:
On Wed, 06 Aug, at 04:10:45PM, Ard Biesheuvel wrote:
Shouldn't we clear the bit here if we failed to enable runtime
services for some reason? Other code may test the bit assuming that it
signifies that runtime services have
Apart from that, verified with early_ioremap/UEFI patches on TC2.
Tested-by: Leif Lindholm leif.lindh...@linaro.org
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On Thu, Aug 07, 2014 at 05:18:44PM -0500, Rob Herring wrote:
On Thu, Aug 7, 2014 at 10:01 AM, Kees Cook keesc...@chromium.org wrote:
More room is needed in the fixmap range for non-kmap fixmap entries. This
reduces the kmap range from 32 to 16 CPUs.
Do you want this merged or just doing
-by: Leif Lindholm leif.lindh...@linaro.org
---
drivers/of/base.c | 13 +++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 3823edf..89c6b33 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -37,6 +37,7 @@ EXPORT_SYMBOL
On Tue, Nov 25, 2014 at 12:00:16AM +0100, Andrew Lunn wrote:
On Mon, Nov 24, 2014 at 10:23:58PM +, Leif Lindholm wrote:
Support specifying console options (like with console=ttyXN,options)
by appending them to the stdout-path property after a separating ':'.
Example:
stdout
CONFIG_EFI_STUB=y.
For arm64:
Tested-by: Leif Lindholm leif.lindh...@linaro.org
---
From 8054c405f0acc8ecb74b7e29675a1e6894afedb0 Mon Sep 17 00:00:00 2001
From: Matt Fleming matt.flem...@intel.com
Date: Tue, 23 Sep 2014 10:37:43 +0100
Subject: [PATCH] Revert efi/x86: efistub: Move shared
On Tue, Nov 25, 2014 at 10:35:04AM +, Mark Rutland wrote:
On Mon, Nov 24, 2014 at 10:23:58PM +, Leif Lindholm wrote:
Support specifying console options (like with console=ttyXN,options)
by appending them to the stdout-path property after a separating ':'.
Example:
stdout
aef87fd958902afe881720286d525e10997462b8 Mon Sep 17 00:00:00 2001
From: Leif Lindholm leif.lindh...@linaro.org
Date: Mon, 24 Nov 2014 22:23:58 +
Subject: [PATCH] of: support passing console options with stdout-path
Support specifying console options (like with console=ttyXN,options)
by appending them to the stdout-path
On Tue, Nov 25, 2014 at 02:58:54PM +, Grant Likely wrote:
+ len = strchrnul(path, ':') - path;
+
for_each_property_of_node(of_aliases, pp) {
if (strlen(pp-name) == len !strncmp(pp-name, path,
len)) {
np =
, as it maintains existing whitespace errors.
Changes since v1:
- Change interface of of_get_node_by_path() to take an additional
argument, and update all of its callers to keep working.
- Rework original patch to use this interface.
Leif Lindholm (2):
of: add optional options parameter
)
+ of_find_node_by_path(E1, NULL)
drivers/of/resolver.c manually updated, since spatch fails to parse
it correctly.
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
arch/arm/kernel/devtree.c |2 +-
arch/arm/mach-bcm/kona_smp.c|2 +-
arch/arm/mach-imx/clk.c
Support specifying console options (like with console=ttyXN,options)
by appending them to the stdout-path property after a separating ':'.
Example:
stdout-path = uart0:115200;
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
drivers/of/base.c |5 +++--
1 file changed, 3
On Wed, Nov 26, 2014 at 09:06:33PM +, Grant Likely wrote:
On Wed, Nov 26, 2014 at 5:40 PM, Leif Lindholm leif.lindh...@linaro.org
wrote:
Update of_find_node_by_path():
1) Ignore any part of the path beyond and including the ':' separator.
2) Set the new provided pointer argument
, over
the legacy efivars interface, also build it by default as a module if
CONFIG_EFI.
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
fs/Kconfig | 2 +-
fs/efivarfs/Kconfig | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/Kconfig b/fs/Kconfig
index
Most, but not all, architectures supporting CONFIG_STRICT_DEVMEM treat
it as a debug feature - although its function is pretty much the
opposite of debug.
This patch deletes all architecture-specific config options and moves
the option to core code, as a non-debug option.
Signed-off-by: Leif
On Tue, Nov 04, 2014 at 10:43:00AM -0800, Kees Cook wrote:
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index efefd12..39f7817 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -6,6 +6,22 @@ menu Character devices
source drivers/tty/Kconfig
+config
On Tue, Nov 04, 2014 at 12:02:32PM -0800, Kees Cook wrote:
I considered doing that, but didn't want to risk listing too many
details of one architecture, and too few of others.
Well, the others only say memory mapped peripherals, so that's what
I was suggesting adding the x86 language: it
+, Leif Lindholm wrote:
Support specifying console options (like with console=ttyXN,options)
by appending them to the stdout-path property after a separating ':'.
Example:
stdout-path = uart0:115200;
Hi Leif
This should be documented somewhere under
and including the ':' separator.
3) Set the new provided pointer argument to the beginning of the string
following the ':' separator.
4: Add tests.
Signed-off-by: Leif Lindholm leif.lindh...@linaro.org
---
drivers/of/base.c | 21 +
drivers/of/selftest.c | 12
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