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authorLinus Torvalds <torvalds@linux-foundation.org>2013-05-02 10:16:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-05-02 10:16:16 -0700
commit5a148af66932c31814e263366094b5812210b501 (patch)
treec5155ae89d7109533b8b073631bd65a7dd394b9d /Documentation
parent99c6bcf46d2233d33e441834e958ed0bc22b190a (diff)
parent54d5999d98f2ab36ad71b9ef4d82cf5f399205f5 (diff)
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc update from Benjamin Herrenschmidt: "The main highlights this time around are: - A pile of addition POWER8 bits and nits, such as updated performance counter support (Michael Ellerman), new branch history buffer support (Anshuman Khandual), base support for the new PCI host bridge when not using the hypervisor (Gavin Shan) and other random related bits and fixes from various contributors. - Some rework of our page table format by Aneesh Kumar which fixes a thing or two and paves the way for THP support. THP itself will not make it this time around however. - More Freescale updates, including Altivec support on the new e6500 cores, new PCI controller support, and a pile of new boards support and updates. - The usual batch of trivial cleanups & fixes" * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (156 commits) powerpc: Fix build error for book3e powerpc: Context switch the new EBB SPRs powerpc: Turn on the EBB H/FSCR bits powerpc: Replace CPU_FTR_BCTAR with CPU_FTR_ARCH_207S powerpc: Setup BHRB instructions facility in HFSCR for POWER8 powerpc: Fix interrupt range check on debug exception powerpc: Update tlbie/tlbiel as per ISA doc powerpc: Print page size info during boot powerpc: print both base and actual page size on hash failure powerpc: Fix hpte_decode to use the correct decoding for page sizes powerpc: Decode the pte-lp-encoding bits correctly. powerpc: Use encode avpn where we need only avpn values powerpc: Reduce PTE table memory wastage powerpc: Move the pte free routines from common header powerpc: Reduce the PTE_INDEX_SIZE powerpc: Switch 16GB and 16MB explicit hugepages to a different page table format powerpc: New hugepage directory format powerpc: Don't truncate pgd_index wrongly powerpc: Don't hard code the size of pte page powerpc: Save DAR and DSISR in pt_regs on MCE ...
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/powerpc/fsl/cpus.txt22
-rw-r--r--Documentation/powerpc/00-INDEX4
-rw-r--r--Documentation/powerpc/ptrace.txt1
-rw-r--r--Documentation/powerpc/sound.txt81
-rw-r--r--Documentation/powerpc/zImage_layout.txt47
5 files changed, 23 insertions, 132 deletions
diff --git a/Documentation/devicetree/bindings/powerpc/fsl/cpus.txt b/Documentation/devicetree/bindings/powerpc/fsl/cpus.txt
new file mode 100644
index 00000000000..922c30ad90d
--- /dev/null
+++ b/Documentation/devicetree/bindings/powerpc/fsl/cpus.txt
@@ -0,0 +1,22 @@
+===================================================================
+Power Architecture CPU Binding
+Copyright 2013 Freescale Semiconductor Inc.
+
+Power Architecture CPUs in Freescale SOCs are represented in device trees as
+per the definition in ePAPR.
+
+In addition to the ePAPR definitions, the properties defined below may be
+present on CPU nodes.
+
+PROPERTIES
+
+ - fsl,eref-*
+ Usage: optional
+ Value type: <empty>
+ Definition: The EREF (EREF: A Programmer.s Reference Manual for
+ Freescale Power Architecture) defines the architecture for Freescale
+ Power CPUs. The EREF defines some architecture categories not defined
+ by the Power ISA. For these EREF-specific categories, the existence of
+ a property named fsl,eref-[CAT], where [CAT] is the abbreviated category
+ name with all uppercase letters converted to lowercase, indicates that
+ the category is supported by the implementation.
diff --git a/Documentation/powerpc/00-INDEX b/Documentation/powerpc/00-INDEX
index 5620fb5ac42..dd9e92802ec 100644
--- a/Documentation/powerpc/00-INDEX
+++ b/Documentation/powerpc/00-INDEX
@@ -14,10 +14,6 @@ hvcs.txt
- IBM "Hypervisor Virtual Console Server" Installation Guide
mpc52xx.txt
- Linux 2.6.x on MPC52xx family
-sound.txt
- - info on sound support under Linux/PPC
-zImage_layout.txt
- - info on the kernel images for Linux/PPC
qe_firmware.txt
- describes the layout of firmware binaries for the Freescale QUICC
Engine and the code that parses and uploads the microcode therein.
diff --git a/Documentation/powerpc/ptrace.txt b/Documentation/powerpc/ptrace.txt
index f2a7a391977..99c5ce88d0f 100644
--- a/Documentation/powerpc/ptrace.txt
+++ b/Documentation/powerpc/ptrace.txt
@@ -40,6 +40,7 @@ features will have bits indicating whether there is support for:
#define PPC_DEBUG_FEATURE_INSN_BP_MASK 0x2
#define PPC_DEBUG_FEATURE_DATA_BP_RANGE 0x4
#define PPC_DEBUG_FEATURE_DATA_BP_MASK 0x8
+#define PPC_DEBUG_FEATURE_DATA_BP_DAWR 0x10
2. PTRACE_SETHWDEBUG
diff --git a/Documentation/powerpc/sound.txt b/Documentation/powerpc/sound.txt
deleted file mode 100644
index df23d95e03a..00000000000
--- a/Documentation/powerpc/sound.txt
+++ /dev/null
@@ -1,81 +0,0 @@
- Information about PowerPC Sound support
-=====================================================================
-
-Please mail me (Cort Dougan, cort@fsmlabs.com) if you have questions,
-comments or corrections.
-
-Last Change: 6.16.99
-
-This just covers sound on the PReP and CHRP systems for now and later
-will contain information on the PowerMac's.
-
-Sound on PReP has been tested and is working with the PowerStack and IBM
-Power Series onboard sound systems which are based on the cs4231(2) chip.
-The sound options when doing the make config are a bit different from
-the default, though.
-
-The I/O base, irq and dma lines that you enter during the make config
-are ignored and are set when booting according to the machine type.
-This is so that one binary can be used for Motorola and IBM machines
-which use different values and isn't allowed by the driver, so things
-are hacked together in such a way as to allow this information to be
-set automatically on boot.
-
-1. Motorola PowerStack PReP machines
-
- Enable support for "Crystal CS4232 based (PnP) cards" and for the
- Microsoft Sound System. The MSS isn't used, but some of the routines
- that the CS4232 driver uses are in it.
-
- Although the options you set are ignored and determined automatically
- on boot these are included for information only:
-
- (830) CS4232 audio I/O base 530, 604, E80 or F40
- (10) CS4232 audio IRQ 5, 7, 9, 11, 12 or 15
- (6) CS4232 audio DMA 0, 1 or 3
- (7) CS4232 second (duplex) DMA 0, 1 or 3
-
- This will allow simultaneous record and playback, as 2 different dma
- channels are used.
-
- The sound will be all left channel and very low volume since the
- auxiliary input isn't muted by default. I had the changes necessary
- for this in the kernel but the sound driver maintainer didn't want
- to include them since it wasn't common in other machines. To fix this
- you need to mute it using a mixer utility of some sort (if you find one
- please let me know) or by patching the driver yourself and recompiling.
-
- There is a problem on the PowerStack 2's (PowerStack Pro's) using a
- different irq/drq than the kernel expects. Unfortunately, I don't know
- which irq/drq it is so if anyone knows please email me.
-
- Midi is not supported since the cs4232 driver doesn't support midi yet.
-
-2. IBM PowerPersonal PReP machines
-
- I've only tested sound on the Power Personal Series of IBM workstations
- so if you try it on others please let me know the result. I'm especially
- interested in the 43p's sound system, which I know nothing about.
-
- Enable support for "Crystal CS4232 based (PnP) cards" and for the
- Microsoft Sound System. The MSS isn't used, but some of the routines
- that the CS4232 driver uses are in it.
-
- Although the options you set are ignored and determined automatically
- on boot these are included for information only:
-
- (530) CS4232 audio I/O base 530, 604, E80 or F40
- (5) CS4232 audio IRQ 5, 7, 9, 11, 12 or 15
- (1) CS4232 audio DMA 0, 1 or 3
- (7) CS4232 second (duplex) DMA 0, 1 or 3
- (330) CS4232 MIDI I/O base 330, 370, 3B0 or 3F0
- (9) CS4232 MIDI IRQ 5, 7, 9, 11, 12 or 15
-
- This setup does _NOT_ allow for recording yet.
-
- Midi is not supported since the cs4232 driver doesn't support midi yet.
-
-2. IBM CHRP
-
- I have only tested this on the 43P-150. Build the kernel with the cs4232
- set as a module and load the module with irq=9 dma=1 dma2=2 io=0x550
diff --git a/Documentation/powerpc/zImage_layout.txt b/Documentation/powerpc/zImage_layout.txt
deleted file mode 100644
index 048e0150f57..00000000000
--- a/Documentation/powerpc/zImage_layout.txt
+++ /dev/null
@@ -1,47 +0,0 @@
- Information about the Linux/PPC kernel images
-=====================================================================
-
-Please mail me (Cort Dougan, cort@fsmlabs.com) if you have questions,
-comments or corrections.
-
-This document is meant to answer several questions I've had about how
-the PReP system boots and how Linux/PPC interacts with that mechanism.
-It would be nice if we could have information on how other architectures
-boot here as well. If you have anything to contribute, please
-let me know.
-
-
-1. PReP boot file
-
- This is the file necessary to boot PReP systems from floppy or
- hard drive. The firmware reads the PReP partition table entry
- and will load the image accordingly.
-
- To boot the zImage, copy it onto a floppy with dd if=zImage of=/dev/fd0h1440
- or onto a PReP hard drive partition with dd if=zImage of=/dev/sda4
- assuming you've created a PReP partition (type 0x41) with fdisk on
- /dev/sda4.
-
- The layout of the image format is:
-
- 0x0 +------------+
- | | PReP partition table entry
- | |
- 0x400 +------------+
- | | Bootstrap program code + data
- | |
- | |
- +------------+
- | | compressed kernel, elf header removed
- +------------+
- | | initrd (if loaded)
- +------------+
- | | Elf section table for bootstrap program
- +------------+
-
-
-2. MBX boot file
-
- The MBX boards can load an elf image, and relocate it to the
- proper location in memory - it copies the image to the location it was
- linked at.