Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (28 commits)
  [MIPS] Rework cobalt_board_id
  [MIPS] Use RTC_CMOS for Cobalt
  [MIPS] Use platform_device for Cobalt UART
  [MIPS] Separate Alchemy processor based boards config
  [MIPS] Fix build error in atomic64_cmpxchg
  [MIPS] Run checksyscalls for N32 and O32 ABI
  [MIPS] tlbex: use __maybe_unused
  [MIPS] excite: use __maybe_unused
  [MIPS] Add extern cobalt_board_id
  [MIPS] Remove unused CONFIG_TOSHIBA_BOARDS
  [MIPS] Rename tb0229_defconfig to tb0219_defconfig
  [MIPS] Update tb0229_defconfig; add CONFIG_GPIO_TB0219.
  [MIPS] Add minimum defconfig for RBHMA4200
  [MIPS] SB1: Build fix.
  [MIPS] Drop __devinit tag from allocate_irqno() and free_irqno()
  [MIPS] clocksource: use CLOCKSOURCE_MASK() macro
  [MIPS] Remove LIMITED_DMA support
  [MIPS] Remove Momenco Jaguar ATX support
  [MIPS] Remove Momenco Ocelot G support
  [MIPS] FPU hazard handling
  ...

13 files changed, 49 insertions, 180 deletions

diff --git a/include/asm-mips/atomic.h b/include/asm-mips/atomic.h
index 62daa746a9c..1b60624dab7 100644
--- a/include/asm-mips/atomic.h
+++ b/include/asm-mips/atomic.h
@@ -689,7 +689,7 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)
 }
 
 #define atomic64_cmpxchg(v, o, n) \
-	(((__typeof__((v)->counter)))cmpxchg(&((v)->counter), (o), (n)))
+	((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n)))
 #define atomic64_xchg(v, new) (xchg(&((v)->counter), (new)))
 
 /**
diff --git a/include/asm-mips/bootinfo.h b/include/asm-mips/bootinfo.h
index dbf834f4dac..b0c329783ac 100644
--- a/include/asm-mips/bootinfo.h
+++ b/include/asm-mips/bootinfo.h
@@ -119,9 +119,9 @@
  */
 #define MACH_GROUP_MOMENCO	12	/* Momentum Boards		*/
 #define  MACH_MOMENCO_OCELOT	0
-#define  MACH_MOMENCO_OCELOT_G	1
+#define  MACH_MOMENCO_OCELOT_G	1	/* no more supported (may 2007) */
 #define  MACH_MOMENCO_OCELOT_C	2
-#define  MACH_MOMENCO_JAGUAR_ATX 3
+#define  MACH_MOMENCO_JAGUAR_ATX 3	/* no more supported (may 2007) */
 #define  MACH_MOMENCO_OCELOT_3	4
 
 /*
diff --git a/include/asm-mips/fpu.h b/include/asm-mips/fpu.h
index b414a7d9db4..483685b1592 100644
--- a/include/asm-mips/fpu.h
+++ b/include/asm-mips/fpu.h
@@ -16,6 +16,7 @@
 #include <asm/mipsregs.h>
 #include <asm/cpu.h>
 #include <asm/cpu-features.h>
+#include <asm/hazards.h>
 #include <asm/bitops.h>
 #include <asm/processor.h>
 #include <asm/current.h>
@@ -38,34 +39,16 @@ extern void _init_fpu(void);
 extern void _save_fp(struct task_struct *);
 extern void _restore_fp(struct task_struct *);
 
-#if defined(CONFIG_CPU_SB1)
-#define __enable_fpu_hazard()						\
-do {									\
-	asm(".set	push		\n\t"				\
-	    ".set	mips64		\n\t"				\
-	    ".set	noreorder	\n\t"				\
-	    "ssnop			\n\t"				\
-	    "bnezl	$0, .+4		\n\t"				\
-	    "ssnop			\n\t"				\
-	    ".set pop");						\
-} while (0)
-#else
-#define __enable_fpu_hazard()						\
-do {									\
-	asm("nop;nop;nop;nop");		/* max. hazard */		\
-} while (0)
-#endif
-
 #define __enable_fpu()							\
 do {									\
         set_c0_status(ST0_CU1);						\
-        __enable_fpu_hazard();						\
+        enable_fpu_hazard();						\
 } while (0)
 
 #define __disable_fpu()							\
 do {									\
 	clear_c0_status(ST0_CU1);					\
-	/* We don't care about the c0 hazard here  */			\
+        disable_fpu_hazard();						\
 } while (0)
 
 #define enable_fpu()							\
diff --git a/include/asm-mips/hazards.h b/include/asm-mips/hazards.h
index e50c77e69cb..d9119f43f9a 100644
--- a/include/asm-mips/hazards.h
+++ b/include/asm-mips/hazards.h
@@ -178,4 +178,36 @@ ASMMACRO(back_to_back_c0_hazard,
 
 #endif
 
+
+/* FPU hazards */
+
+#if defined(CONFIG_CPU_SB1)
+ASMMACRO(enable_fpu_hazard,
+	 .set	push;
+	 .set	mips64;
+	 .set	noreorder;
+	 _ssnop;
+	 bnezl	$0,.+4;
+	 _ssnop;
+	 .set	pop
+)
+ASMMACRO(disable_fpu_hazard,
+)
+
+#elif defined(CONFIG_CPU_MIPSR2)
+ASMMACRO(enable_fpu_hazard,
+	 _ehb
+)
+ASMMACRO(disable_fpu_hazard,
+	 _ehb
+)
+#else
+ASMMACRO(enable_fpu_hazard,
+	 nop; nop; nop; nop
+)
+ASMMACRO(disable_fpu_hazard,
+	 _ehb
+)
+#endif
+
 #endif /* _ASM_HAZARDS_H */
diff --git a/include/asm-mips/highmem.h b/include/asm-mips/highmem.h
index f8c8182f7f2..4d6bd5c31c7 100644
--- a/include/asm-mips/highmem.h
+++ b/include/asm-mips/highmem.h
@@ -48,46 +48,6 @@ extern pte_t *pkmap_page_table;
 extern void * kmap_high(struct page *page);
 extern void kunmap_high(struct page *page);
 
-/*
- * CONFIG_LIMITED_DMA is for systems with DMA limitations such as Momentum's
- * Jaguar ATX.  This option exploits the highmem code in the kernel so is
- * always enabled together with CONFIG_HIGHMEM but at this time doesn't
- * actually add highmem functionality.
- */
-
-#ifdef CONFIG_LIMITED_DMA
-
-/*
- * These are the default functions for the no-highmem case from
- * <linux/highmem.h>
- */
-static inline void *kmap(struct page *page)
-{
-	might_sleep();
-	return page_address(page);
-}
-
-#define kunmap(page) do { (void) (page); } while (0)
-
-static inline void *kmap_atomic(struct page *page, enum km_type type)
-{
-	pagefault_disable();
-	return page_address(page);
-}
-
-static inline void kunmap_atomic(void *kvaddr, enum km_type type)
-{
-	pagefault_enable();
-}
-
-#define kmap_atomic_pfn(pfn, idx) kmap_atomic(pfn_to_page(pfn), (idx))
-
-#define kmap_atomic_to_page(ptr) virt_to_page(ptr)
-
-#define flush_cache_kmaps()	do { } while (0)
-
-#else /* LIMITED_DMA */
-
 extern void *__kmap(struct page *page);
 extern void __kunmap(struct page *page);
 extern void *__kmap_atomic(struct page *page, enum km_type type);
@@ -103,8 +63,6 @@ extern struct page *__kmap_atomic_to_page(void *ptr);
 
 #define flush_cache_kmaps()	flush_cache_all()
 
-#endif /* LIMITED_DMA */
-
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_HIGHMEM_H */
diff --git a/include/asm-mips/mach-cobalt/cobalt.h b/include/asm-mips/mach-cobalt/cobalt.h
index 24a8d51a55a..684a501c04c 100644
--- a/include/asm-mips/mach-cobalt/cobalt.h
+++ b/include/asm-mips/mach-cobalt/cobalt.h
@@ -69,6 +69,8 @@
 #define COBALT_BRD_ID_QUBE2    0x5
 #define COBALT_BRD_ID_RAQ2     0x6
 
+extern int cobalt_board_id;
+
 #define PCI_CFG_SET(devfn,where)					\
 	GT_WRITE(GT_PCI0_CFGADDR_OFS, (0x80000000 | (PCI_SLOT (devfn) << 11) |		\
 		(PCI_FUNC (devfn) << 8) | (where)))
diff --git a/include/asm-mips/mach-ja/cpu-feature-overrides.h b/include/asm-mips/mach-ja/cpu-feature-overrides.h
deleted file mode 100644
index 84b6dead0e8..00000000000
--- a/include/asm-mips/mach-ja/cpu-feature-overrides.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * 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) 2003, 2004 Ralf Baechle
- */
-#ifndef __ASM_MACH_JA_CPU_FEATURE_OVERRIDES_H
-#define __ASM_MACH_JA_CPU_FEATURE_OVERRIDES_H
-
-/*
- * Momentum Jaguar ATX always has the RM9000 processor.
- */
-#define cpu_has_watch		1
-#define cpu_has_mips16		0
-#define cpu_has_divec		0
-#define cpu_has_vce		0
-#define cpu_has_cache_cdex_p	0
-#define cpu_has_cache_cdex_s	0
-#define cpu_has_prefetch	1
-#define cpu_has_mcheck		0
-#define cpu_has_ejtag		0
-
-#define cpu_has_llsc		1
-#define cpu_has_vtag_icache	0
-#define cpu_has_dc_aliases	0
-#define cpu_has_ic_fills_f_dc	0
-#define cpu_has_dsp		0
-#define cpu_icache_snoops_remote_store	0
-
-#define cpu_has_nofpuex		0
-#define cpu_has_64bits		1
-
-#define cpu_has_inclusive_pcaches	0
-
-#define cpu_dcache_line_size()	32
-#define cpu_icache_line_size()	32
-#define cpu_scache_line_size()	32
-
-#define cpu_has_mips32r1	0
-#define cpu_has_mips32r2	0
-#define cpu_has_mips64r1	0
-#define cpu_has_mips64r2	0
-
-#endif /* __ASM_MACH_JA_CPU_FEATURE_OVERRIDES_H */
diff --git a/include/asm-mips/mach-ja/spaces.h b/include/asm-mips/mach-ja/spaces.h
deleted file mode 100644
index 8466a0e69c7..00000000000
--- a/include/asm-mips/mach-ja/spaces.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * 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) 1994 - 1999, 2000, 03, 04 Ralf Baechle
- * Copyright (C) 2000, 2002  Maciej W. Rozycki
- * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc.
- */
-#ifndef __ASM_MACH_JA_SPACES_H
-#define __ASM_MACH_JA_SPACES_H
-
-/*
- * Memory above this physical address will be considered highmem.
- */
-#define HIGHMEM_START		0x08000000UL
-
-#include_next <spaces.h>
-
-#endif /* __ASM_MACH_JA_SPACES_H */
diff --git a/include/asm-mips/mips-boards/malta.h b/include/asm-mips/mips-boards/malta.h
index b0ba3c5a921..eec91001bb6 100644
--- a/include/asm-mips/mips-boards/malta.h
+++ b/include/asm-mips/mips-boards/malta.h
@@ -25,6 +25,10 @@
 #include <asm/mips-boards/msc01_pci.h>
 #include <asm/gt64120.h>
 
+/* Mips interrupt controller found in SOCit variations */
+#define MIPS_MSC01_IC_REG_BASE		0x1bc40000
+#define MIPS_SOCITSC_IC_REG_BASE	0x1ffa0000
+
 /*
  * Malta I/O ports base address for the Galileo GT64120 and Algorithmics
  * Bonito system controllers.
diff --git a/include/asm-mips/msc01_ic.h b/include/asm-mips/msc01_ic.h
index aa7ad9a7176..7989b9ffc1d 100644
--- a/include/asm-mips/msc01_ic.h
+++ b/include/asm-mips/msc01_ic.h
@@ -94,10 +94,7 @@
 /*
  * MIPS System controller interrupt register base.
  *
- * FIXME - are these macros specific to Malta and co or to the MSC?  If the
- * latter, they should be moved elsewhere.
  */
-#define MIPS_MSC01_IC_REG_BASE	0x1bc40000
 
 /*****************************************************************************
  * Absolute register addresses
@@ -144,7 +141,7 @@ typedef struct msc_irqmap {
 #define MSC01_IRQ_LEVEL		0
 #define MSC01_IRQ_EDGE		1
 
-extern void __init init_msc_irqs(unsigned int base, msc_irqmap_t *imp, int nirq);
+extern void __init init_msc_irqs(unsigned long icubase, unsigned int base, msc_irqmap_t *imp, int nirq);
 extern void ll_msc_irq(void);
 
 #endif /* __ASM_MIPS_BOARDS_MSC01_IC_H */
diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h
index d3fbd83ff54..5c3239dad0f 100644
--- a/include/asm-mips/page.h
+++ b/include/asm-mips/page.h
@@ -190,10 +190,6 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 #define UNCAC_ADDR(addr)	((addr) - PAGE_OFFSET + UNCAC_BASE)
 #define CAC_ADDR(addr)		((addr) - UNCAC_BASE + PAGE_OFFSET)
 
-#ifdef CONFIG_LIMITED_DMA
-#define WANT_PAGE_VIRTUAL
-#endif
-
 #include <asm-generic/memory_model.h>
 #include <asm-generic/page.h>
 
diff --git a/include/asm-mips/serial.h b/include/asm-mips/serial.h
index d7a65135d83..ce51213d84f 100644
--- a/include/asm-mips/serial.h
+++ b/include/asm-mips/serial.h
@@ -81,25 +81,6 @@
 #define STD_SERIAL_PORT_DEFNS
 #endif /* CONFIG_HAVE_STD_PC_SERIAL_PORTS */
 
-#ifdef CONFIG_MOMENCO_JAGUAR_ATX
-/* Ordinary NS16552 duart with a 20MHz crystal.  */
-#define JAGUAR_ATX_UART_CLK	20000000
-#define JAGUAR_ATX_BASE_BAUD	(JAGUAR_ATX_UART_CLK / 16)
-
-#define JAGUAR_ATX_SERIAL1_IRQ	6
-#define JAGUAR_ATX_SERIAL1_BASE	0xfd000023L
-
-#define _JAGUAR_ATX_SERIAL_INIT(int, base)				\
-	{ .baud_base = JAGUAR_ATX_BASE_BAUD, irq: int,			\
-	  .flags = (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST),		\
-	  .iomem_base = (u8 *) base, iomem_reg_shift: 2,			\
-	  io_type: SERIAL_IO_MEM }
-#define MOMENCO_JAGUAR_ATX_SERIAL_PORT_DEFNS				\
-	_JAGUAR_ATX_SERIAL_INIT(JAGUAR_ATX_SERIAL1_IRQ, JAGUAR_ATX_SERIAL1_BASE)
-#else
-#define MOMENCO_JAGUAR_ATX_SERIAL_PORT_DEFNS
-#endif
-
 #ifdef CONFIG_MOMENCO_OCELOT_3
 #define OCELOT_3_BASE_BAUD	( 20000000 / 16 )
 #define OCELOT_3_SERIAL_IRQ	6
@@ -134,27 +115,6 @@
 #define MOMENCO_OCELOT_SERIAL_PORT_DEFNS
 #endif
 
-#ifdef CONFIG_MOMENCO_OCELOT_G
-/* Ordinary NS16552 duart with a 20MHz crystal.  */
-#define OCELOT_G_BASE_BAUD ( 20000000 / 16 )
-
-#define OCELOT_G_SERIAL1_IRQ	4
-#if 0
-#define OCELOT_G_SERIAL1_BASE	0xe0001020
-#else
-#define OCELOT_G_SERIAL1_BASE	0xfd000020
-#endif
-
-#define _OCELOT_G_SERIAL_INIT(int, base)				\
-	{ .baud_base = OCELOT_G_BASE_BAUD, .irq = int, .flags = STD_COM_FLAGS,\
-	  .iomem_base = (u8 *) base, .iomem_reg_shift = 2,			\
-	  .io_type = SERIAL_IO_MEM }
-#define MOMENCO_OCELOT_G_SERIAL_PORT_DEFNS				\
-	_OCELOT_G_SERIAL_INIT(OCELOT_G_SERIAL1_IRQ, OCELOT_G_SERIAL1_BASE)
-#else
-#define MOMENCO_OCELOT_G_SERIAL_PORT_DEFNS
-#endif
-
 #ifdef CONFIG_MOMENCO_OCELOT_C
 /* Ordinary NS16552 duart with a 20MHz crystal.  */
 #define OCELOT_C_BASE_BAUD ( 20000000 / 16 )
@@ -210,7 +170,6 @@
 	IP32_SERIAL_PORT_DEFNS                          \
 	JAZZ_SERIAL_PORT_DEFNS				\
 	STD_SERIAL_PORT_DEFNS				\
-	MOMENCO_OCELOT_G_SERIAL_PORT_DEFNS		\
 	MOMENCO_OCELOT_C_SERIAL_PORT_DEFNS		\
 	MOMENCO_OCELOT_SERIAL_PORT_DEFNS		\
 	MOMENCO_OCELOT_3_SERIAL_PORT_DEFNS
diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h
index 3713d256d36..bb0b289dbc9 100644
--- a/include/asm-mips/system.h
+++ b/include/asm-mips/system.h
@@ -464,7 +464,10 @@ static inline unsigned long __cmpxchg_local(volatile void * ptr,
 
 extern void set_handler (unsigned long offset, void *addr, unsigned long len);
 extern void set_uncached_handler (unsigned long offset, void *addr, unsigned long len);
-extern void *set_vi_handler (int n, void *addr);
+
+typedef void (*vi_handler_t)(void);
+extern void *set_vi_handler (int n, vi_handler_t addr);
+
 extern void *set_except_vector(int n, void *addr);
 extern unsigned long ebase;
 extern void per_cpu_trap_init(void);