aboutsummaryrefslogtreecommitdiff
path: root/Documentation
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 17:58:08 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 17:58:08 -0700
commit489de30259e667d7bc47da9da44a0270b050cd97 (patch)
tree6807814f443fe2c5d041c3bc3fe3ca8d22a955ca /Documentation
parent1f1c2881f673671539b25686df463518d69c4649 (diff)
parentbf22f6fe2d72b4d7e9035be8ceb340414cf490e3 (diff)
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (209 commits) [POWERPC] Create add_rtc() function to enable the RTC CMOS driver [POWERPC] Add H_ILLAN_ATTRIBUTES hcall number [POWERPC] xilinxfb: Parameterize xilinxfb platform device registration [POWERPC] Oprofile support for Power 5++ [POWERPC] Enable arbitary speed tty ioctls and split input/output speed [POWERPC] Make drivers/char/hvc_console.c:khvcd() static [POWERPC] Remove dead code for preventing pread() and pwrite() calls [POWERPC] Remove unnecessary #undef printk from prom.c [POWERPC] Fix typo in Ebony default DTS [POWERPC] Check for NULL ppc_md.init_IRQ() before calling [POWERPC] Remove extra return statement [POWERPC] pasemi: Don't auto-select CONFIG_EMBEDDED [POWERPC] pasemi: Rename platform [POWERPC] arch/powerpc/kernel/sysfs.c: Move NUMA exports [POWERPC] Add __read_mostly support for powerpc [POWERPC] Modify sched_clock() to make CONFIG_PRINTK_TIME more sane [POWERPC] Create a dummy zImage if no valid platform has been selected [POWERPC] PS3: Bootwrapper support. [POWERPC] powermac i2c: Use mutex [POWERPC] Schedule removal of arch/ppc ... Fixed up conflicts manually in: Documentation/feature-removal-schedule.txt arch/powerpc/kernel/pci_32.c arch/powerpc/kernel/pci_64.c include/asm-powerpc/pci.h and asked the powerpc people to double-check the result..
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/cachetlb.txt2
-rw-r--r--Documentation/feature-removal-schedule.txt13
-rw-r--r--Documentation/powerpc/booting-without-of.txt40
3 files changed, 52 insertions, 3 deletions
diff --git a/Documentation/cachetlb.txt b/Documentation/cachetlb.txt
index debf6813934..866b7613942 100644
--- a/Documentation/cachetlb.txt
+++ b/Documentation/cachetlb.txt
@@ -253,7 +253,7 @@ Here are the routines, one by one:
The first of these two routines is invoked after map_vm_area()
has installed the page table entries. The second is invoked
- before unmap_vm_area() deletes the page table entries.
+ before unmap_kernel_range() deletes the page table entries.
There exists another whole class of cpu cache issues which currently
require a whole different set of interfaces to handle properly.
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index 18bd2ddccb1..d05e6243b4d 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -297,3 +297,16 @@ Why: Obsolete for multiple years now, NAT core provides the same behaviour.
Who: Patrick McHardy <kaber@trash.net>
---------------------------
+
+What: The arch/ppc and include/asm-ppc directories
+When: Jun 2008
+Why: The arch/powerpc tree is the merged architecture for ppc32 and ppc64
+ platforms. Currently there are efforts underway to port the remaining
+ arch/ppc platforms to the merged tree. New submissions to the arch/ppc
+ tree have been frozen with the 2.6.22 kernel release and that tree will
+ remain in bug-fix only mode until its scheduled removal. Platforms
+ that are not ported by June 2008 will be removed due to the lack of an
+ interested maintainer.
+Who: linuxppc-dev@ozlabs.org
+
+---------------------------
diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index d42d98107d4..0c243482209 100644
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/powerpc/booting-without-of.txt
@@ -42,15 +42,16 @@ Table of Contents
1) Defining child nodes of an SOC
2) Representing devices without a current OF specification
a) MDIO IO device
- c) PHY nodes
b) Gianfar-compatible ethernet nodes
+ c) PHY nodes
d) Interrupt controllers
e) I2C
f) Freescale SOC USB controllers
g) Freescale SOC SEC Security Engines
h) Board Control and Status (BCSR)
i) Freescale QUICC Engine module (QE)
- g) Flash chip nodes
+ j) Flash chip nodes
+ k) Global Utilities Block
VII - Specifying interrupt information for devices
1) interrupts property
@@ -626,6 +627,14 @@ So the node content can be summarized as a start token, a full path,
a list of properties, a list of child nodes, and an end token. Every
child node is a full node structure itself as defined above.
+NOTE: The above definition requires that all property definitions for
+a particular node MUST precede any subnode definitions for that node.
+Although the structure would not be ambiguous if properties and
+subnodes were intermingled, the kernel parser requires that the
+properties come first (up until at least 2.6.22). Any tools
+manipulating a flattened tree must take care to preserve this
+constraint.
+
4) Device tree "strings" block
In order to save space, property names, which are generally redundant,
@@ -1782,6 +1791,33 @@ platforms are moved over to use the flattened-device-tree model.
partition-names = "fs\0firmware";
};
+ k) Global Utilities Block
+
+ The global utilities block controls power management, I/O device
+ enabling, power-on-reset configuration monitoring, general-purpose
+ I/O signal configuration, alternate function selection for multiplexed
+ signals, and clock control.
+
+ Required properties:
+
+ - compatible : Should define the compatible device type for
+ global-utilities.
+ - reg : Offset and length of the register set for the device.
+
+ Recommended properties:
+
+ - fsl,has-rstcr : Indicates that the global utilities register set
+ contains a functioning "reset control register" (i.e. the board
+ is wired to reset upon setting the HRESET_REQ bit in this register).
+
+ Example:
+
+ global-utilities@e0000 { /* global utilities block */
+ compatible = "fsl,mpc8548-guts";
+ reg = <e0000 1000>;
+ fsl,has-rstcr;
+ };
+
More devices will be defined as this spec matures.
VII - Specifying interrupt information for devices