Merge branch '3.10-fixes' into mips-for-linux-next

This that should have been fixed but weren't, way to much, intrusive
and late.

7 files changed, 90 insertions, 9 deletions

diff --git a/arch/mips/include/asm/fw/cfe/cfe_api.h b/arch/mips/include/asm/fw/cfe/cfe_api.h
index 17347551a1b..a0ea69e91e2 100644
--- a/arch/mips/include/asm/fw/cfe/cfe_api.h
+++ b/arch/mips/include/asm/fw/cfe/cfe_api.h
@@ -115,8 +115,8 @@ int cfe_read(int handle, unsigned char *buffer, int length);
 int cfe_readblk(int handle, int64_t offset, unsigned char *buffer,
 		int length);
 int cfe_setenv(char *name, char *val);
-int cfe_write(int handle, unsigned char *buffer, int length);
-int cfe_writeblk(int handle, int64_t offset, unsigned char *buffer,
+int cfe_write(int handle, const char *buffer, int length);
+int cfe_writeblk(int handle, int64_t offset, const char *buffer,
 		 int length);
 
 #endif				/* CFE_API_H */
diff --git a/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h b/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
index be8fb4240ce..47fb247f966 100644
--- a/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
+++ b/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
@@ -13,6 +13,8 @@
 #ifndef __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H
 #define __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H
 
+#include <linux/bug.h>
+
 struct device;
 
 extern void octeon_pci_dma_init(void);
@@ -21,18 +23,21 @@ static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
 	size_t size)
 {
 	BUG();
+	return 0;
 }
 
 static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
 	struct page *page)
 {
 	BUG();
+	return 0;
 }
 
 static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
 	dma_addr_t dma_addr)
 {
 	BUG();
+	return 0;
 }
 
 static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
@@ -44,6 +49,7 @@ static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
 static inline int plat_dma_supported(struct device *dev, u64 mask)
 {
 	BUG();
+	return 0;
 }
 
 static inline void plat_extra_sync_for_device(struct device *dev)
@@ -60,6 +66,7 @@ static inline int plat_dma_mapping_error(struct device *dev,
 					 dma_addr_t dma_addr)
 {
 	BUG();
+	return 0;
 }
 
 dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr);
diff --git a/arch/mips/include/asm/mach-cavium-octeon/spaces.h b/arch/mips/include/asm/mach-cavium-octeon/spaces.h
new file mode 100644
index 00000000000..daa91accf5a
--- /dev/null
+++ b/arch/mips/include/asm/mach-cavium-octeon/spaces.h
@@ -0,0 +1,24 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2012 Cavium, Inc.
+ */
+#ifndef _ASM_MACH_CAVIUM_OCTEON_SPACES_H
+#define _ASM_MACH_CAVIUM_OCTEON_SPACES_H
+
+#include <linux/const.h>
+
+#ifdef CONFIG_64BIT
+/* They are all the same and some OCTEON II cores cannot handle 0xa8.. */
+#define CAC_BASE		_AC(0x8000000000000000, UL)
+#define UNCAC_BASE		_AC(0x8000000000000000, UL)
+#define IO_BASE			_AC(0x8000000000000000, UL)
+
+
+#endif /* CONFIG_64BIT */
+
+#include <asm/mach-generic/spaces.h>
+
+#endif /* _ASM_MACH_CAVIUM_OCTEON_SPACES_H */
diff --git a/arch/mips/include/asm/mach-ip27/kernel-entry-init.h b/arch/mips/include/asm/mach-ip27/kernel-entry-init.h
index a323efb720d..b087cb83da3 100644
--- a/arch/mips/include/asm/mach-ip27/kernel-entry-init.h
+++ b/arch/mips/include/asm/mach-ip27/kernel-entry-init.h
@@ -24,6 +24,53 @@
 	.endm
 
 /*
+ * TLB bits
+ */
+#define PAGE_GLOBAL		(1 << 6)
+#define PAGE_VALID		(1 << 7)
+#define PAGE_DIRTY		(1 << 8)
+#define CACHE_CACHABLE_COW	(5 << 9)
+
+	/*
+	 * inputs are the text nasid in t1, data nasid in t2.
+	 */
+	.macro MAPPED_KERNEL_SETUP_TLB
+#ifdef CONFIG_MAPPED_KERNEL
+	/*
+	 * This needs to read the nasid - assume 0 for now.
+	 * Drop in 0xffffffffc0000000 in tlbhi, 0+VG in tlblo_0,
+	 * 0+DVG in tlblo_1.
+	 */
+	dli	t0, 0xffffffffc0000000
+	dmtc0	t0, CP0_ENTRYHI
+	li	t0, 0x1c000		# Offset of text into node memory
+	dsll	t1, NASID_SHFT		# Shift text nasid into place
+	dsll	t2, NASID_SHFT		# Same for data nasid
+	or	t1, t1, t0		# Physical load address of kernel text
+	or	t2, t2, t0		# Physical load address of kernel data
+	dsrl	t1, 12			# 4K pfn
+	dsrl	t2, 12			# 4K pfn
+	dsll	t1, 6			# Get pfn into place
+	dsll	t2, 6			# Get pfn into place
+	li	t0, ((PAGE_GLOBAL | PAGE_VALID | CACHE_CACHABLE_COW) >> 6)
+	or	t0, t0, t1
+	mtc0	t0, CP0_ENTRYLO0	# physaddr, VG, cach exlwr
+	li	t0, ((PAGE_GLOBAL | PAGE_VALID |  PAGE_DIRTY | CACHE_CACHABLE_COW) >> 6)
+	or	t0, t0, t2
+	mtc0	t0, CP0_ENTRYLO1	# physaddr, DVG, cach exlwr
+	li	t0, 0x1ffe000		# MAPPED_KERN_TLBMASK, TLBPGMASK_16M
+	mtc0	t0, CP0_PAGEMASK
+	li	t0, 0			# KMAP_INX
+	mtc0	t0, CP0_INDEX
+	li	t0, 1
+	mtc0	t0, CP0_WIRED
+	tlbwi
+#else
+	mtc0	zero, CP0_WIRED
+#endif
+	.endm
+
+/*
  * Intentionally empty macro, used in head.S. Override in
  * arch/mips/mach-xxx/kernel-entry-init.h when necessary.
  */
diff --git a/arch/mips/include/asm/mips-boards/generic.h b/arch/mips/include/asm/mips-boards/generic.h
index bd9746fbe4a..48616816bcb 100644
--- a/arch/mips/include/asm/mips-boards/generic.h
+++ b/arch/mips/include/asm/mips-boards/generic.h
@@ -24,12 +24,6 @@
 #define ASCII_DISPLAY_POS_BASE	   0x1f000418
 
 /*
- * Reset register.
- */
-#define SOFTRES_REG	  0x1f000500
-#define GORESET		  0x42
-
-/*
  * Revision register.
  */
 #define MIPS_REVISION_REG		   0x1fc00010
diff --git a/arch/mips/include/asm/mmu_context.h b/arch/mips/include/asm/mmu_context.h
index 1fed8bdcf2a..3b29079b542 100644
--- a/arch/mips/include/asm/mmu_context.h
+++ b/arch/mips/include/asm/mmu_context.h
@@ -113,7 +113,7 @@ get_new_mmu_context(struct mm_struct *mm, unsigned long cpu)
 	if (! ((asid += ASID_INC) & ASID_MASK) ) {
 		if (cpu_has_vtag_icache)
 			flush_icache_all();
-#ifdef CONFIG_VIRTUALIZATION
+#ifdef CONFIG_KVM
 		kvm_local_flush_tlb_all();      /* start new asid cycle */
 #else
 		local_flush_tlb_all();	/* start new asid cycle */
diff --git a/arch/mips/include/asm/xtalk/xtalk.h b/arch/mips/include/asm/xtalk/xtalk.h
index 680e7efebba..26d2ed1fa91 100644
--- a/arch/mips/include/asm/xtalk/xtalk.h
+++ b/arch/mips/include/asm/xtalk/xtalk.h
@@ -47,6 +47,15 @@ typedef struct xtalk_piomap_s *xtalk_piomap_t;
 #define XIO_PORT(x)	((xwidgetnum_t)(((x)&XIO_PORT_BITS) >> XIO_PORT_SHIFT))
 #define XIO_PACK(p, o)	((((uint64_t)(p))<<XIO_PORT_SHIFT) | ((o)&XIO_ADDR_BITS))
 
+#ifdef CONFIG_PCI
+extern int bridge_probe(nasid_t nasid, int widget, int masterwid);
+#else
+static inline int bridge_probe(nasid_t nasid, int widget, int masterwid)
+{
+	return 0;
+}
+#endif
+
 #endif /* !__ASSEMBLY__ */
 
 #endif /* _ASM_XTALK_XTALK_H */