Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
  [RAPIDIO] Change RapidIO doorbell source and target ID field to 16-bit
  [RAPIDIO] Add RapidIO connection info print out and re-training for broken connections
  [RAPIDIO] Add serial RapidIO controller support, which includes MPC8548, MPC8641
  [RAPIDIO] Add RapidIO node probing into MPC86xx_HPCN board id table
  [RAPIDIO] Add RapidIO node into MPC8641HPCN dts file
  [RAPIDIO] Auto-probe the RapidIO system size
  [RAPIDIO] Add OF-tree support to RapidIO controller driver
  [RAPIDIO] Add RapidIO multi mport support
  [RAPIDIO] Move include/asm-ppc/rio.h to asm-powerpc
  [RAPIDIO] Add RapidIO option to kernel configuration
  [RAPIDIO] Change RIO function mpc85xx_ to fsl_
  [POWERPC] Provide walk_memory_resource() for powerpc
  [POWERPC] Update lmb data structures for hotplug memory add/remove
  [POWERPC] Hotplug memory remove notifications for powerpc
  [POWERPC] windfarm: Add PowerMac 12,1 support
  [POWERPC] Fix building of pmac32 when CONFIG_NVRAM=m
  [POWERPC] Add IRQSTACKS support on ppc32
  [POWERPC] Use __always_inline for xchg* and cmpxchg*
  [POWERPC] Add fast little-endian switch system call

5 files changed, 45 insertions, 27 deletions

diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
index fd98ca998b4f..cf83f2d7e2a5 100644
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@@ -138,6 +138,8 @@ typedef struct {
 
 struct thread_struct {
         unsigned long   ksp;            /* Kernel stack pointer */
+        unsigned long   ksp_limit;      /* if ksp <= ksp_limit stack overflow */
+
 #ifdef CONFIG_PPC64
         unsigned long   ksp_vsid;
 #endif
@@ -182,11 +184,14 @@ struct thread_struct {
 #define ARCH_MIN_TASKALIGN 16
 
 #define INIT_SP         (sizeof(init_stack) + (unsigned long) &init_stack)
+#define INIT_SP_LIMIT \
+        (_ALIGN_UP(sizeof(init_thread_info), 16) + (unsigned long) &init_stack)
 
 
 #ifdef CONFIG_PPC32
 #define INIT_THREAD { \
         .ksp = INIT_SP, \
+        .ksp_limit = INIT_SP_LIMIT, \
         .fs = KERNEL_DS, \
         .pgdir = swapper_pg_dir, \
         .fpexc_mode = MSR_FE0 | MSR_FE1, \
@@ -194,6 +199,7 @@ struct thread_struct {
 #else
 #define INIT_THREAD  { \
         .ksp = INIT_SP, \
+        .ksp_limit = INIT_SP_LIMIT, \
         .regs = (struct pt_regs *)INIT_SP - 1, /* XXX bogus, I think */ \
         .fs = KERNEL_DS, \
         .fpr = {0}, \
diff --git a/include/asm-ppc/rio.h b/include/asm-powerpc/rio.h
index 0018bf80cb25..0018bf80cb25 100644
--- a/include/asm-ppc/rio.h
+++ b/include/asm-powerpc/rio.h
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index fab1674b31b6..2b6559a6d113 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -204,7 +204,7 @@ extern int powersave_nap;	/* set if nap mode can be used in idle loop */
  * Changes the memory location '*ptr' to be val and returns
  * the previous value stored there.
  */
-static __inline__ unsigned long
+static __always_inline unsigned long
 __xchg_u32(volatile void *p, unsigned long val)
 {
         unsigned long prev;
@@ -229,7 +229,7 @@ __xchg_u32(volatile void *p, unsigned long val)
  * Changes the memory location '*ptr' to be val and returns
  * the previous value stored there.
  */
-static __inline__ unsigned long
+static __always_inline unsigned long
 __xchg_u32_local(volatile void *p, unsigned long val)
 {
         unsigned long prev;
@@ -247,7 +247,7 @@ __xchg_u32_local(volatile void *p, unsigned long val)
 }
 
 #ifdef CONFIG_PPC64
-static __inline__ unsigned long
+static __always_inline unsigned long
 __xchg_u64(volatile void *p, unsigned long val)
 {
         unsigned long prev;
@@ -266,7 +266,7 @@ __xchg_u64(volatile void *p, unsigned long val)
         return prev;
 }
 
-static __inline__ unsigned long
+static __always_inline unsigned long
 __xchg_u64_local(volatile void *p, unsigned long val)
 {
         unsigned long prev;
@@ -290,7 +290,7 @@ __xchg_u64_local(volatile void *p, unsigned long val)
  */
 extern void __xchg_called_with_bad_pointer(void);
 
-static __inline__ unsigned long
+static __always_inline unsigned long
 __xchg(volatile void *ptr, unsigned long x, unsigned int size)
 {
         switch (size) {
@@ -305,7 +305,7 @@ __xchg(volatile void *ptr, unsigned long x, unsigned int size)
         return x;
 }
 
-static __inline__ unsigned long
+static __always_inline unsigned long
 __xchg_local(volatile void *ptr, unsigned long x, unsigned int size)
 {
         switch (size) {
@@ -338,7 +338,7 @@ __xchg_local(volatile void *ptr, unsigned long x, unsigned int size)
  */
 #define __HAVE_ARCH_CMPXCHG     1
 
-static __inline__ unsigned long
+static __always_inline unsigned long
 __cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new)
 {
         unsigned int prev;
@@ -361,7 +361,7 @@ __cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new)
         return prev;
 }
 
-static __inline__ unsigned long
+static __always_inline unsigned long
 __cmpxchg_u32_local(volatile unsigned int *p, unsigned long old,
                         unsigned long new)
 {
@@ -384,7 +384,7 @@ __cmpxchg_u32_local(volatile unsigned int *p, unsigned long old,
 }
 
 #ifdef CONFIG_PPC64
-static __inline__ unsigned long
+static __always_inline unsigned long
 __cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new)
 {
         unsigned long prev;
@@ -406,7 +406,7 @@ __cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new)
         return prev;
 }
 
-static __inline__ unsigned long
+static __always_inline unsigned long
 __cmpxchg_u64_local(volatile unsigned long *p, unsigned long old,
                         unsigned long new)
 {
@@ -432,7 +432,7 @@ __cmpxchg_u64_local(volatile unsigned long *p, unsigned long old,
    if something tries to do an invalid cmpxchg().  */
 extern void __cmpxchg_called_with_bad_pointer(void);
 
-static __inline__ unsigned long
+static __always_inline unsigned long
 __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new,
           unsigned int size)
 {
@@ -448,7 +448,7 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new,
         return old;
 }
 
-static __inline__ unsigned long
+static __always_inline unsigned long
 __cmpxchg_local(volatile void *ptr, unsigned long old, unsigned long new,
           unsigned int size)
 {
diff --git a/include/linux/lmb.h b/include/linux/lmb.h
index 271153d27fba..c46c89505dac 100644
--- a/include/linux/lmb.h
+++ b/include/linux/lmb.h
@@ -40,7 +40,8 @@ extern struct lmb lmb;
 
 extern void __init lmb_init(void);
 extern void __init lmb_analyze(void);
-extern long __init lmb_add(u64 base, u64 size);
+extern long lmb_add(u64 base, u64 size);
+extern long lmb_remove(u64 base, u64 size);
 extern long __init lmb_reserve(u64 base, u64 size);
 extern u64 __init lmb_alloc_nid(u64 size, u64 align, int nid,
                                 u64 (*nid_range)(u64, u64, int *));
@@ -53,6 +54,7 @@ extern u64 __init lmb_phys_mem_size(void);
 extern u64 __init lmb_end_of_DRAM(void);
 extern void __init lmb_enforce_memory_limit(u64 memory_limit);
 extern int __init lmb_is_reserved(u64 addr);
+extern int lmb_find(struct lmb_property *res);
 
 extern void lmb_dump_all(void);
 
diff --git a/include/linux/rio.h b/include/linux/rio.h
index 68e3f6853fa6..cfb66bbc0f27 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -23,7 +23,6 @@
 #include <linux/device.h>
 #include <linux/rio_regs.h>
 
-#define RIO_ANY_DESTID          0xff
 #define RIO_NO_HOPCOUNT         -1
 #define RIO_INVALID_DESTID      0xffff
 
@@ -39,11 +38,8 @@
                                            entry is invalid (no route
                                            exists for the device ID) */
 
-#ifdef CONFIG_RAPIDIO_8_BIT_TRANSPORT
-#define RIO_MAX_ROUTE_ENTRIES   (1 << 8)
-#else
-#define RIO_MAX_ROUTE_ENTRIES   (1 << 16)
-#endif
+#define RIO_MAX_ROUTE_ENTRIES(size)     (size ? (1 << 16) : (1 << 8))
+#define RIO_ANY_DESTID(size)            (size ? 0xffff : 0xff)
 
 #define RIO_MAX_MBOX            4
 #define RIO_MAX_MSG_SIZE        0x1000
@@ -149,6 +145,11 @@ struct rio_dbell {
         void *dev_id;
 };
 
+enum rio_phy_type {
+        RIO_PHY_PARALLEL,
+        RIO_PHY_SERIAL,
+};
+
 /**
  * struct rio_mport - RIO master port info
  * @dbells: List of doorbell events
@@ -163,6 +164,7 @@ struct rio_dbell {
  * @id: Port ID, unique among all ports
  * @index: Port index, unique among all port interfaces of the same type
  * @name: Port name string
+ * @priv: Master port private data
  */
 struct rio_mport {
         struct list_head dbells;        /* list of doorbell events */
@@ -177,7 +179,13 @@ struct rio_mport {
         unsigned char id;       /* port ID, unique among all ports */
         unsigned char index;    /* port index, unique among all port
                                    interfaces of the same type */
+        unsigned int sys_size;  /* RapidIO common transport system size.
+                                 * 0 - Small size. 256 devices.
+                                 * 1 - Large size, 65536 devices.
+                                 */
+        enum rio_phy_type phy_type;     /* RapidIO phy type */
         unsigned char name[40];
+        void *priv;             /* Master port private data */
 };
 
 /**
@@ -211,7 +219,7 @@ struct rio_switch {
         u16 switchid;
         u16 hopcount;
         u16 destid;
-        u8 route_table[RIO_MAX_ROUTE_ENTRIES];
+        u8 *route_table;
         int (*add_entry) (struct rio_mport * mport, u16 destid, u8 hopcount,
                           u16 table, u16 route_destid, u8 route_port);
         int (*get_entry) (struct rio_mport * mport, u16 destid, u8 hopcount,
@@ -229,13 +237,15 @@ struct rio_switch {
  * @dsend: Callback to send a doorbell message.
  */
 struct rio_ops {
-        int (*lcread) (int index, u32 offset, int len, u32 * data);
-        int (*lcwrite) (int index, u32 offset, int len, u32 data);
-        int (*cread) (int index, u16 destid, u8 hopcount, u32 offset, int len,
-                      u32 * data);
-        int (*cwrite) (int index, u16 destid, u8 hopcount, u32 offset, int len,
-                       u32 data);
-        int (*dsend) (int index, u16 destid, u16 data);
+        int (*lcread) (struct rio_mport *mport, int index, u32 offset, int len,
+                        u32 *data);
+        int (*lcwrite) (struct rio_mport *mport, int index, u32 offset, int len,
+                        u32 data);
+        int (*cread) (struct rio_mport *mport, int index, u16 destid,
+                        u8 hopcount, u32 offset, int len, u32 *data);
+        int (*cwrite) (struct rio_mport *mport, int index, u16 destid,
+                        u8 hopcount, u32 offset, int len, u32 data);
+        int (*dsend) (struct rio_mport *mport, int index, u16 destid, u16 data);
 };
 
 #define RIO_RESOURCE_MEM        0x00000100