Merge commit 'v2.6.37-rc1' into kbuild/kbuild

26 files changed, 393 insertions, 271 deletions

diff --git a/arch/cris/include/arch-v10/arch/irqflags.h b/arch/cris/include/arch-v10/arch/irqflags.h
new file mode 100644
index 000000000000..75ef18991240
--- /dev/null
+++ b/arch/cris/include/arch-v10/arch/irqflags.h
@@ -0,0 +1,45 @@
+#ifndef __ASM_CRIS_ARCH_IRQFLAGS_H
+#define __ASM_CRIS_ARCH_IRQFLAGS_H
+
+#include <linux/types.h>
+
+static inline unsigned long arch_local_save_flags(void)
+{
+	unsigned long flags;
+	asm volatile("move $ccr,%0" : "=rm" (flags) : : "memory");
+	return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+	asm volatile("di" : : : "memory");
+}
+
+static inline void arch_local_irq_enable(void)
+{
+	asm volatile("ei" : : : "memory");
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+	unsigned long flags = arch_local_save_flags();
+	arch_local_irq_disable();
+	return flags;
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+	asm volatile("move %0,$ccr" : : "rm" (flags) : "memory");
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+	return !(flags & (1 << 5));
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+	return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+#endif /* __ASM_CRIS_ARCH_IRQFLAGS_H */
diff --git a/arch/cris/include/arch-v10/arch/system.h b/arch/cris/include/arch-v10/arch/system.h
index 4a9cd36c9e16..935fde34aa15 100644
--- a/arch/cris/include/arch-v10/arch/system.h
+++ b/arch/cris/include/arch-v10/arch/system.h
@@ -44,20 +44,4 @@ static inline unsigned long _get_base(char * addr)
 struct __xchg_dummy { unsigned long a[100]; };
 #define __xg(x) ((struct __xchg_dummy *)(x))
 
-/* interrupt control.. */
-#define local_save_flags(x)	__asm__ __volatile__ ("move $ccr,%0" : "=rm" (x) : : "memory");
-#define local_irq_restore(x) 	__asm__ __volatile__ ("move %0,$ccr" : : "rm" (x) : "memory");
-#define local_irq_disable() 	__asm__ __volatile__ ( "di" : : :"memory");
-#define local_irq_enable()	__asm__ __volatile__ ( "ei" : : :"memory");
-
-#define irqs_disabled()			\
-({					\
-	unsigned long flags;		\
-	local_save_flags(flags);	\
-	!(flags & (1<<5));		\
-})
-
-/* For spinlocks etc */
-#define local_irq_save(x) __asm__ __volatile__ ("move $ccr,%0\n\tdi" : "=rm" (x) : : "memory");
-
 #endif
diff --git a/arch/cris/include/arch-v32/arch/cache.h b/arch/cris/include/arch-v32/arch/cache.h
index dfc73050e6b4..1de779f4f240 100644
--- a/arch/cris/include/arch-v32/arch/cache.h
+++ b/arch/cris/include/arch-v32/arch/cache.h
@@ -7,6 +7,8 @@
 #define L1_CACHE_BYTES 32
 #define L1_CACHE_SHIFT 5
 
+#define __read_mostly __attribute__((__section__(".data.read_mostly")))
+
 void flush_dma_list(dma_descr_data *descr);
 void flush_dma_descr(dma_descr_data *descr, int flush_buf);
 
diff --git a/arch/cris/include/arch-v32/arch/dma.h b/arch/cris/include/arch-v32/arch/dma.h
index 3674081389fd..61906153a9af 100644
--- a/arch/cris/include/arch-v32/arch/dma.h
+++ b/arch/cris/include/arch-v32/arch/dma.h
@@ -1,79 +1 @@
-#ifndef _ASM_ARCH_CRIS_DMA_H
-#define _ASM_ARCH_CRIS_DMA_H
-
-/* Defines for using and allocating dma channels. */
-
-#define MAX_DMA_CHANNELS	10
-
-#define NETWORK_ETH0_TX_DMA_NBR 0	/* Ethernet 0 out. */
-#define NETWORK_ETH0 RX_DMA_NBR 1	/* Ethernet 0 in. */
-
-#define IO_PROC_DMA0_TX_DMA_NBR 2	/* IO processor DMA0 out. */
-#define IO_PROC_DMA0_RX_DMA_NBR 3	/* IO processor DMA0 in. */
-
-#define ATA_TX_DMA_NBR 2		/* ATA interface out. */
-#define ATA_RX_DMA_NBR 3		/* ATA interface in. */
-
-#define ASYNC_SER2_TX_DMA_NBR 2		/* Asynchronous serial port 2 out. */
-#define ASYNC_SER2_RX_DMA_NBR 3		/* Asynchronous serial port 2 in. */
-
-#define IO_PROC_DMA1_TX_DMA_NBR 4	/* IO processor DMA1 out. */
-#define IO_PROC_DMA1_RX_DMA_NBR 5	/* IO processor DMA1 in. */
-
-#define ASYNC_SER1_TX_DMA_NBR 4		/* Asynchronous serial port 1 out. */
-#define ASYNC_SER1_RX_DMA_NBR 5		/* Asynchronous serial port 1 in. */
-
-#define SYNC_SER0_TX_DMA_NBR 4		/* Synchronous serial port 0 out. */
-#define SYNC_SER0_RX_DMA_NBR 5		/* Synchronous serial port 0 in. */
-
-#define EXTDMA0_TX_DMA_NBR 6		/* External DMA 0 out. */
-#define EXTDMA1_RX_DMA_NBR 7		/* External DMA 1 in. */
-
-#define ASYNC_SER0_TX_DMA_NBR 6		/* Asynchronous serial port 0 out. */
-#define ASYNC_SER0_RX_DMA_NBR 7		/* Asynchronous serial port 0 in. */
-
-#define SYNC_SER1_TX_DMA_NBR 6		/* Synchronous serial port 1 out. */
-#define SYNC_SER1_RX_DMA_NBR 7		/* Synchronous serial port 1 in. */
-
-#define NETWORK_ETH1_TX_DMA_NBR 6	/* Ethernet 1 out. */
-#define NETWORK_ETH1_RX_DMA_NBR 7	/* Ethernet 1 in. */
-
-#define EXTDMA2_TX_DMA_NBR 8		/* External DMA 2 out. */
-#define EXTDMA3_RX_DMA_NBR 9		/* External DMA 3 in. */
-
-#define STRCOP_TX_DMA_NBR 8		/* Stream co-processor out. */
-#define STRCOP_RX_DMA_NBR 9		/* Stream co-processor in. */
-
-#define ASYNC_SER3_TX_DMA_NBR 8		/* Asynchronous serial port 3 out. */
-#define ASYNC_SER3_RX_DMA_NBR 9		/* Asynchronous serial port 3 in. */
-
-enum dma_owner
-{
-  dma_eth0,
-  dma_eth1,
-  dma_iop0,
-  dma_iop1,
-  dma_ser0,
-  dma_ser1,
-  dma_ser2,
-  dma_ser3,
-  dma_sser0,
-  dma_sser1,
-  dma_ata,
-  dma_strp,
-  dma_ext0,
-  dma_ext1,
-  dma_ext2,
-  dma_ext3
-};
-
-int crisv32_request_dma(unsigned int dmanr, const char * device_id,
-                        unsigned options, unsigned bandwidth, enum dma_owner owner);
-void crisv32_free_dma(unsigned int dmanr);
-
-/* Masks used by crisv32_request_dma options: */
-#define DMA_VERBOSE_ON_ERROR 1
-#define DMA_PANIC_ON_ERROR (2|DMA_VERBOSE_ON_ERROR)
-#define DMA_INT_MEM 4
-
-#endif /* _ASM_ARCH_CRIS_DMA_H */
+#include "mach/dma.h"
diff --git a/arch/cris/include/arch-v32/arch/io.h b/arch/cris/include/arch-v32/arch/io.h
index 72024452cea9..adc5484351bf 100644
--- a/arch/cris/include/arch-v32/arch/io.h
+++ b/arch/cris/include/arch-v32/arch/io.h
@@ -46,10 +46,12 @@ static inline void crisv32_io_set(struct crisv32_iopin *iopin, int val)
 	unsigned long flags;
 	spin_lock_irqsave(&iopin->port->lock, flags);
 
-	if (val)
-		*iopin->port->data |= iopin->bit;
-	else
-		*iopin->port->data &= ~iopin->bit;
+	if (iopin->port->data) {
+		if (val)
+			*iopin->port->data |= iopin->bit;
+		else
+			*iopin->port->data &= ~iopin->bit;
+	}
 
 	spin_unlock_irqrestore(&iopin->port->lock, flags);
 }
@@ -60,10 +62,12 @@ static inline void crisv32_io_set_dir(struct crisv32_iopin* iopin,
 	unsigned long flags;
 	spin_lock_irqsave(&iopin->port->lock, flags);
 
-	if (dir == crisv32_io_dir_in)
-		*iopin->port->oe &= ~iopin->bit;
-	else
-		*iopin->port->oe |= iopin->bit;
+	if (iopin->port->oe) {
+		if (dir == crisv32_io_dir_in)
+			*iopin->port->oe &= ~iopin->bit;
+		else
+			*iopin->port->oe |= iopin->bit;
+	}
 
 	spin_unlock_irqrestore(&iopin->port->lock, flags);
 }
diff --git a/arch/cris/include/arch-v32/arch/irqflags.h b/arch/cris/include/arch-v32/arch/irqflags.h
new file mode 100644
index 000000000000..041851f8ec6f
--- /dev/null
+++ b/arch/cris/include/arch-v32/arch/irqflags.h
@@ -0,0 +1,46 @@
+#ifndef __ASM_CRIS_ARCH_IRQFLAGS_H
+#define __ASM_CRIS_ARCH_IRQFLAGS_H
+
+#include <linux/types.h>
+#include <arch/ptrace.h>
+
+static inline unsigned long arch_local_save_flags(void)
+{
+	unsigned long flags;
+	asm volatile("move $ccs,%0" : "=rm" (flags) : : "memory");
+	return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+	asm volatile("di" : : : "memory");
+}
+
+static inline void arch_local_irq_enable(void)
+{
+	asm volatile("ei" : : : "memory");
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+	unsigned long flags = arch_local_save_flags();
+	arch_local_irq_disable();
+	return flags;
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+	asm volatile("move %0,$ccs" : : "rm" (flags) : "memory");
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+	return !(flags & (1 << I_CCS_BITNR));
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+	return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+#endif /* __ASM_CRIS_ARCH_IRQFLAGS_H */
diff --git a/arch/cris/include/arch-v32/arch/memmap.h b/arch/cris/include/arch-v32/arch/memmap.h
index d29df5644d3e..81985c0a6789 100644
--- a/arch/cris/include/arch-v32/arch/memmap.h
+++ b/arch/cris/include/arch-v32/arch/memmap.h
@@ -1,24 +1 @@
-#ifndef _ASM_ARCH_MEMMAP_H
-#define _ASM_ARCH_MEMMAP_H
-
-#define MEM_CSE0_START (0x00000000)
-#define MEM_CSE0_SIZE (0x04000000)
-#define MEM_CSE1_START (0x04000000)
-#define MEM_CSE1_SIZE (0x04000000)
-#define MEM_CSR0_START (0x08000000)
-#define MEM_CSR1_START (0x0c000000)
-#define MEM_CSP0_START (0x10000000)
-#define MEM_CSP1_START (0x14000000)
-#define MEM_CSP2_START (0x18000000)
-#define MEM_CSP3_START (0x1c000000)
-#define MEM_CSP4_START (0x20000000)
-#define MEM_CSP5_START (0x24000000)
-#define MEM_CSP6_START (0x28000000)
-#define MEM_CSP7_START (0x2c000000)
-#define MEM_INTMEM_START (0x38000000)
-#define MEM_INTMEM_SIZE (0x00020000)
-#define MEM_DRAM_START (0x40000000)
-
-#define MEM_NON_CACHEABLE (0x80000000)
-
-#endif
+#include <mach/memmap.h>
diff --git a/arch/cris/include/arch-v32/arch/pgtable.h b/arch/cris/include/arch-v32/arch/pgtable.h
index 08cb7ff7e4e7..c1051a8da33d 100644
--- a/arch/cris/include/arch-v32/arch/pgtable.h
+++ b/arch/cris/include/arch-v32/arch/pgtable.h
@@ -2,8 +2,16 @@
 #define _ASM_CRIS_ARCH_PGTABLE_H
 
 /* Define the kernels virtual memory area. */
+
+/* See head.S for differences between ARTPEC-3 and ETRAX FS. */
+#ifdef CONFIG_CRIS_MACH_ARTPEC3
+#define VMALLOC_START          KSEG_E
+#define VMALLOC_END            KSEG_F
+#else
 #define VMALLOC_START		KSEG_D
 #define VMALLOC_END		KSEG_E
+#endif
+
 #define VMALLOC_VMADDR(x)	((unsigned long)(x))
 
 #endif /* _ASM_CRIS_ARCH_PGTABLE_H */
diff --git a/arch/cris/include/arch-v32/arch/system.h b/arch/cris/include/arch-v32/arch/system.h
index 6ca90f1f110a..76cea99eaa60 100644
--- a/arch/cris/include/arch-v32/arch/system.h
+++ b/arch/cris/include/arch-v32/arch/system.h
@@ -44,26 +44,4 @@ static inline unsigned long rdsp(void)
 struct __xchg_dummy { unsigned long a[100]; };
 #define __xg(x) ((struct __xchg_dummy *)(x))
 
-/* Used for interrupt control. */
-#define local_save_flags(x) \
-	__asm__ __volatile__ ("move $ccs, %0" : "=rm" (x) : : "memory");
-
-#define local_irq_restore(x) \
-	__asm__ __volatile__ ("move %0, $ccs" : : "rm" (x) : "memory");
-
-#define local_irq_disable()  __asm__ __volatile__ ("di" : : : "memory");
-#define local_irq_enable()   __asm__ __volatile__ ("ei" : : : "memory");
-
-#define irqs_disabled()		\
-({				\
-	unsigned long flags;	\
-				\
-	local_save_flags(flags);\
-	!(flags & (1 << I_CCS_BITNR));	\
-})
-
-/* Used for spinlocks, etc. */
-#define local_irq_save(x) \
-	__asm__ __volatile__ ("move $ccs, %0\n\tdi" : "=rm" (x) : : "memory");
-
 #endif /* _ASM_CRIS_ARCH_SYSTEM_H */
diff --git a/arch/cris/include/arch-v32/arch/uaccess.h b/arch/cris/include/arch-v32/arch/uaccess.h
index 6b207f1b6622..3196019706cb 100644
--- a/arch/cris/include/arch-v32/arch/uaccess.h
+++ b/arch/cris/include/arch-v32/arch/uaccess.h
@@ -122,14 +122,14 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
 	__asm__ __volatile__ (
 		"	move.d %3,%0\n"
 		"5:	move.b [%2+],$acr\n"
-		"1:	beq 2f\n"
+		"1:	beq 6f\n"
 		"	move.b $acr,[%1+]\n"
 
 		"	subq 1,%0\n"
 		"2:	bne 1b\n"
 		"	move.b [%2+],$acr\n"
 
-		"	sub.d %3,%0\n"
+		"6:	sub.d %3,%0\n"
 		"	neg.d %0,%0\n"
 		"3:\n"
 		"	.section .fixup,\"ax\"\n"
@@ -140,8 +140,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
 		/* The address for a fault at the first move is trivial.
 		   The address for a fault at the second move is that of
 		   the preceding branch insn, since the move insn is in
-		   its delay-slot.  That address is also a branch
-		   target.  Just so you don't get confused...  */
+		   its delay-slot.  Just so you don't get confused...  */
 		"	.previous\n"
 		"	.section __ex_table,\"a\"\n"
 		"	.dword 5b,4b\n"
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/dma.h b/arch/cris/include/arch-v32/mach-a3/mach/dma.h
index 9e8eb13b601d..f01dca1ad108 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/dma.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/dma.h
@@ -5,6 +5,33 @@
 
 #define MAX_DMA_CHANNELS	12 /* 8 and 10 not used. */
 
+#define NETWORK_ETH_TX_DMA_NBR 0        /* Ethernet 0 out. */
+#define NETWORK_ETH_RX_DMA_NBR 1        /* Ethernet 0 in. */
+
+#define IO_PROC_DMA_TX_DMA_NBR 4        /* IO processor DMA0 out. */
+#define IO_PROC_DMA_RX_DMA_NBR 5        /* IO processor DMA0 in. */
+
+#define ASYNC_SER3_TX_DMA_NBR 2         /* Asynchronous serial port 3 out. */
+#define ASYNC_SER3_RX_DMA_NBR 3         /* Asynchronous serial port 3 in. */
+
+#define ASYNC_SER2_TX_DMA_NBR 6         /* Asynchronous serial port 2 out. */
+#define ASYNC_SER2_RX_DMA_NBR 7         /* Asynchronous serial port 2 in. */
+
+#define ASYNC_SER1_TX_DMA_NBR 4         /* Asynchronous serial port 1 out. */
+#define ASYNC_SER1_RX_DMA_NBR 5         /* Asynchronous serial port 1 in. */
+
+#define SYNC_SER_TX_DMA_NBR 6           /* Synchronous serial port 0 out. */
+#define SYNC_SER_RX_DMA_NBR 7           /* Synchronous serial port 0 in. */
+
+#define ASYNC_SER0_TX_DMA_NBR 0         /* Asynchronous serial port 0 out. */
+#define ASYNC_SER0_RX_DMA_NBR 1         /* Asynchronous serial port 0 in. */
+
+#define STRCOP_TX_DMA_NBR 2             /* Stream co-processor out. */
+#define STRCOP_RX_DMA_NBR 3             /* Stream co-processor in. */
+
+#define dma_eth0 dma_eth
+#define dma_eth1 dma_eth
+
 enum dma_owner {
 	dma_eth,
 	dma_ser0,
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/startup.inc b/arch/cris/include/arch-v32/mach-a3/mach/startup.inc
index 2f23e5e16f4a..2d52bcc96ed5 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/startup.inc
+++ b/arch/cris/include/arch-v32/mach-a3/mach/startup.inc
@@ -1,9 +1,19 @@
+#ifndef STARTUP_INC_INCLUDED
+#define STARTUP_INC_INCLUDED
+
 #include <hwregs/asm/reg_map_asm.h>
 #include <hwregs/asm/gio_defs_asm.h>
 #include <hwregs/asm/pio_defs_asm.h>
 #include <hwregs/asm/clkgen_defs_asm.h>
 #include <hwregs/asm/pinmux_defs_asm.h>
 
+	.macro GIO_SET_P BITS, OUTREG
+	bmi	1f		; btstq: bit -> N flag
+	nop
+	or.d	\BITS, \OUTREG
+1:
+	.endm
+
 	.macro GIO_INIT
 	move.d	CONFIG_ETRAX_DEF_GIO_PA_OUT, $r0
 	move.d	REG_ADDR(gio, regi_gio, rw_pa_dout), $r1
@@ -32,10 +42,23 @@
 	move.d	0xFFFFFFFF, $r0
 	move.d	REG_ADDR(pinmux, regi_pinmux, rw_gio_pa), $r1
 	move.d	$r0, [$r1]
-	move.d	REG_ADDR(pinmux, regi_pinmux, rw_gio_pb), $r1
-	move.d	$r0, [$r1]
 	move.d	REG_ADDR(pinmux, regi_pinmux, rw_gio_pc), $r1
 	move.d	$r0, [$r1]
+
+	;; If eth_mdio, eth, geth bits are set in hwprot, don't
+	;; set them to gpio, as this means they have been configured
+	;; earlier and shouldn't be changed.
+	move.d	0xFC000000, $r2 ; pins 25..0 are eth_mdio, eth, geth
+	move.d	REG_ADDR(pinmux, regi_pinmux, rw_hwprot), $r1
+	move.d	[$r1], $r0
+	btstq	REG_BIT(pinmux, rw_hwprot, eth), $r0
+	GIO_SET_P 0x00FFFF00, $r2		;; pins 8..23 are eth
+	btstq	REG_BIT(pinmux, rw_hwprot, eth_mdio), $r0
+	GIO_SET_P 0x03000000, $r2		;; pins 24..25 are eth_mdio
+	btstq	REG_BIT(pinmux, rw_hwprot, geth), $r0
+	GIO_SET_P 0x000000FF, $r2		;; pins 0..7 are geth
+	move.d	REG_ADDR(pinmux, regi_pinmux, rw_gio_pb), $r1
+	move.d	$r2, [$r1]
 	.endm
 
 	.macro START_CLOCKS
@@ -58,3 +81,4 @@
 	move.d CONFIG_ETRAX_PIO_CE2_CFG, $r1
 	move.d $r1, [$r0]
 	.endm
+#endif
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/dma.h b/arch/cris/include/arch-v32/mach-fs/mach/dma.h
new file mode 100644
index 000000000000..a8c59292586a
--- /dev/null
+++ b/arch/cris/include/arch-v32/mach-fs/mach/dma.h
@@ -0,0 +1,79 @@
+#ifndef _ASM_ARCH_CRIS_DMA_H
+#define _ASM_ARCH_CRIS_DMA_H
+
+/* Defines for using and allocating dma channels. */
+
+#define MAX_DMA_CHANNELS	10
+
+#define NETWORK_ETH0_TX_DMA_NBR 0	/* Ethernet 0 out. */
+#define NETWORK_ETH0 RX_DMA_NBR 1	/* Ethernet 0 in. */
+
+#define IO_PROC_DMA0_TX_DMA_NBR 2	/* IO processor DMA0 out. */
+#define IO_PROC_DMA0_RX_DMA_NBR 3	/* IO processor DMA0 in. */
+
+#define ATA_TX_DMA_NBR 2		/* ATA interface out. */
+#define ATA_RX_DMA_NBR 3		/* ATA interface in. */
+
+#define ASYNC_SER2_TX_DMA_NBR 2		/* Asynchronous serial port 2 out. */
+#define ASYNC_SER2_RX_DMA_NBR 3		/* Asynchronous serial port 2 in. */
+
+#define IO_PROC_DMA1_TX_DMA_NBR 4	/* IO processor DMA1 out. */
+#define IO_PROC_DMA1_RX_DMA_NBR 5	/* IO processor DMA1 in. */
+
+#define ASYNC_SER1_TX_DMA_NBR 4		/* Asynchronous serial port 1 out. */
+#define ASYNC_SER1_RX_DMA_NBR 5		/* Asynchronous serial port 1 in. */
+
+#define SYNC_SER0_TX_DMA_NBR 4		/* Synchronous serial port 0 out. */
+#define SYNC_SER0_RX_DMA_NBR 5		/* Synchronous serial port 0 in. */
+
+#define EXTDMA0_TX_DMA_NBR 6		/* External DMA 0 out. */
+#define EXTDMA1_RX_DMA_NBR 7		/* External DMA 1 in. */
+
+#define ASYNC_SER0_TX_DMA_NBR 6		/* Asynchronous serial port 0 out. */
+#define ASYNC_SER0_RX_DMA_NBR 7		/* Asynchronous serial port 0 in. */
+
+#define SYNC_SER1_TX_DMA_NBR 6		/* Synchronous serial port 1 out. */
+#define SYNC_SER1_RX_DMA_NBR 7		/* Synchronous serial port 1 in. */
+
+#define NETWORK_ETH1_TX_DMA_NBR 6	/* Ethernet 1 out. */
+#define NETWORK_ETH1_RX_DMA_NBR 7	/* Ethernet 1 in. */
+
+#define EXTDMA2_TX_DMA_NBR 8		/* External DMA 2 out. */
+#define EXTDMA3_RX_DMA_NBR 9		/* External DMA 3 in. */
+
+#define STRCOP_TX_DMA_NBR 8		/* Stream co-processor out. */
+#define STRCOP_RX_DMA_NBR 9		/* Stream co-processor in. */
+
+#define ASYNC_SER3_TX_DMA_NBR 8		/* Asynchronous serial port 3 out. */
+#define ASYNC_SER3_RX_DMA_NBR 9		/* Asynchronous serial port 3 in. */
+
+enum dma_owner {
+  dma_eth0,
+  dma_eth1,
+  dma_iop0,
+  dma_iop1,
+  dma_ser0,
+  dma_ser1,
+  dma_ser2,
+  dma_ser3,
+  dma_sser0,
+  dma_sser1,
+  dma_ata,
+  dma_strp,
+  dma_ext0,
+  dma_ext1,
+  dma_ext2,
+  dma_ext3
+};
+
+int crisv32_request_dma(unsigned int dmanr, const char *device_id,
+			unsigned options, unsigned bandwidth,
+			enum dma_owner owner);
+void crisv32_free_dma(unsigned int dmanr);
+
+/* Masks used by crisv32_request_dma options: */
+#define DMA_VERBOSE_ON_ERROR 1
+#define DMA_PANIC_ON_ERROR (2|DMA_VERBOSE_ON_ERROR)
+#define DMA_INT_MEM 4
+
+#endif /* _ASM_ARCH_CRIS_DMA_H */
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/memmap.h b/arch/cris/include/arch-v32/mach-fs/mach/memmap.h
new file mode 100644
index 000000000000..d29df5644d3e
--- /dev/null
+++ b/arch/cris/include/arch-v32/mach-fs/mach/memmap.h
@@ -0,0 +1,24 @@
+#ifndef _ASM_ARCH_MEMMAP_H
+#define _ASM_ARCH_MEMMAP_H
+
+#define MEM_CSE0_START (0x00000000)
+#define MEM_CSE0_SIZE (0x04000000)
+#define MEM_CSE1_START (0x04000000)
+#define MEM_CSE1_SIZE (0x04000000)
+#define MEM_CSR0_START (0x08000000)
+#define MEM_CSR1_START (0x0c000000)
+#define MEM_CSP0_START (0x10000000)
+#define MEM_CSP1_START (0x14000000)
+#define MEM_CSP2_START (0x18000000)
+#define MEM_CSP3_START (0x1c000000)
+#define MEM_CSP4_START (0x20000000)
+#define MEM_CSP5_START (0x24000000)
+#define MEM_CSP6_START (0x28000000)
+#define MEM_CSP7_START (0x2c000000)
+#define MEM_INTMEM_START (0x38000000)
+#define MEM_INTMEM_SIZE (0x00020000)
+#define MEM_DRAM_START (0x40000000)
+
+#define MEM_NON_CACHEABLE (0x80000000)
+
+#endif
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/startup.inc b/arch/cris/include/arch-v32/mach-fs/mach/startup.inc
index 4a10ccbd6cc1..dd1abbdcbc7a 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/startup.inc
+++ b/arch/cris/include/arch-v32/mach-fs/mach/startup.inc
@@ -1,3 +1,6 @@
+#ifndef STARTUP_INC_INCLUDED
+#define STARTUP_INC_INCLUDED
+
 #include <hwregs/asm/reg_map_asm.h>
 #include <hwregs/asm/bif_core_defs_asm.h>
 #include <hwregs/asm/gio_defs_asm.h>
@@ -75,3 +78,5 @@
 	move.d $r10, [$r11]
 #endif
 	.endm
+
+#endif
diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild
index d5b631935ec8..956eea246b97 100644
--- a/arch/cris/include/asm/Kbuild
+++ b/arch/cris/include/asm/Kbuild
@@ -4,8 +4,7 @@ header-y += arch-v10/
 header-y += arch-v32/
 
 header-y += ethernet.h
+header-y += etraxgpio.h
+header-y += rs485.h
 header-y += rtc.h
 header-y += sync_serial.h
-
-unifdef-y += etraxgpio.h
-unifdef-y += rs485.h
diff --git a/arch/cris/include/asm/dma-mapping.h b/arch/cris/include/asm/dma-mapping.h
index da8ef8e8f842..8588b2ccf854 100644
--- a/arch/cris/include/asm/dma-mapping.h
+++ b/arch/cris/include/asm/dma-mapping.h
@@ -152,14 +152,6 @@ dma_set_mask(struct device *dev, u64 mask)
 	return 0;
 }
 
-static inline int
-dma_get_cache_alignment(void)
-{
-	return (1 << INTERNODE_CACHE_SHIFT);
-}
-
-#define dma_is_consistent(d, h)	(1)
-
 static inline void
 dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 	       enum dma_data_direction direction)
diff --git a/arch/cris/include/asm/etraxgpio.h b/arch/cris/include/asm/etraxgpio.h
index 38f1c8e1770c..d474818a537e 100644
--- a/arch/cris/include/asm/etraxgpio.h
+++ b/arch/cris/include/asm/etraxgpio.h
@@ -21,31 +21,35 @@
  * /dev/leds   minor 2, Access to leds depending on kernelconfig
  *
  * For ARTPEC-3 (CONFIG_CRIS_MACH_ARTPEC3):
- * /dev/gpioa  minor 0,  8 bit GPIO, each bit can change direction
- * /dev/gpiob  minor 1, 18 bit GPIO, each bit can change direction
- * /dev/gpioc  minor 3, 18 bit GPIO, each bit can change direction
- * /dev/gpiod  minor 4, 18 bit GPIO, each bit can change direction
+ * /dev/gpioa  minor 0, 32 bit GPIO, each bit can change direction
+ * /dev/gpiob  minor 1, 32 bit GPIO, each bit can change direction
+ * /dev/gpioc  minor 3, 16 bit GPIO, each bit can change direction
+ * /dev/gpiod  minor 4, 32 bit GPIO, input only
  * /dev/leds   minor 2, Access to leds depending on kernelconfig
  * /dev/pwm0   minor 16, PWM channel 0 on PA30
  * /dev/pwm1   minor 17, PWM channel 1 on PA31
  * /dev/pwm2   minor 18, PWM channel 2 on PB26
+ * /dev/ppwm   minor 19, PPWM channel
  *
  */
 #ifndef _ASM_ETRAXGPIO_H
 #define _ASM_ETRAXGPIO_H
 
+#define GPIO_MINOR_FIRST 0
+
+#define ETRAXGPIO_IOCTYPE 43
+
 /* etraxgpio _IOC_TYPE, bits 8 to 15 in ioctl cmd */
 #ifdef CONFIG_ETRAX_ARCH_V10
-#define ETRAXGPIO_IOCTYPE 43
 #define GPIO_MINOR_A 0
 #define GPIO_MINOR_B 1
 #define GPIO_MINOR_LEDS 2
 #define GPIO_MINOR_G 3
 #define GPIO_MINOR_LAST 3
+#define GPIO_MINOR_LAST_REAL GPIO_MINOR_LAST
 #endif
 
 #ifdef CONFIG_ETRAXFS
-#define ETRAXGPIO_IOCTYPE 43
 #define GPIO_MINOR_A 0
 #define GPIO_MINOR_B 1
 #define GPIO_MINOR_LEDS 2
@@ -58,10 +62,10 @@
 #else
 #define GPIO_MINOR_LAST 5
 #endif
+#define GPIO_MINOR_LAST_REAL GPIO_MINOR_LAST
 #endif
 
 #ifdef CONFIG_CRIS_MACH_ARTPEC3
-#define ETRAXGPIO_IOCTYPE 43
 #define GPIO_MINOR_A 0
 #define GPIO_MINOR_B 1
 #define GPIO_MINOR_LEDS 2
@@ -73,12 +77,17 @@
 #else
 #define GPIO_MINOR_LAST 4
 #endif
-#define GPIO_MINOR_PWM0 16
-#define GPIO_MINOR_PWM1 17
-#define GPIO_MINOR_PWM2 18
-#define GPIO_MINOR_LAST_PWM GPIO_MINOR_PWM2
+#define GPIO_MINOR_FIRST_PWM 16
+#define GPIO_MINOR_PWM0 (GPIO_MINOR_FIRST_PWM+0)
+#define GPIO_MINOR_PWM1 (GPIO_MINOR_FIRST_PWM+1)
+#define GPIO_MINOR_PWM2 (GPIO_MINOR_FIRST_PWM+2)
+#define GPIO_MINOR_PPWM (GPIO_MINOR_FIRST_PWM+3)
+#define GPIO_MINOR_LAST_PWM GPIO_MINOR_PPWM
+#define GPIO_MINOR_LAST_REAL GPIO_MINOR_LAST_PWM
 #endif
 
+
+
 /* supported ioctl _IOC_NR's */
 
 #define IO_READBITS  0x1  /* read and return current port bits (obsolete) */
@@ -125,12 +134,10 @@
  */
 #define IO_READ_INBITS   0x10 /* *arg is result of reading the input pins */
 #define IO_READ_OUTBITS  0x11 /* *arg is result of reading the output shadow */
-#define IO_SETGET_INPUT  0x12 /* bits set in *arg is set to input,
-                               * *arg updated with current input pins.
-                               */
-#define IO_SETGET_OUTPUT 0x13 /* bits set in *arg is set to output,
-                               * *arg updated with current output pins.
-                               */
+#define IO_SETGET_INPUT  0x12 /* bits set in *arg is set to input, */
+			      /* *arg updated with current input pins. */
+#define IO_SETGET_OUTPUT 0x13 /* bits set in *arg is set to output, */
+			      /* *arg updated with current output pins. */
 
 /* The following ioctl's are applicable to the PWM channels only */
 
@@ -140,7 +147,8 @@ enum io_pwm_mode {
 	PWM_OFF = 0,		/* disabled, deallocated */
 	PWM_STANDARD = 1,	/* 390 kHz, duty cycle 0..255/256 */
 	PWM_FAST = 2,		/* variable freq, w/ 10ns active pulse len */
-	PWM_VARFREQ = 3		/* individually configurable high/low periods */
+	PWM_VARFREQ = 3,	/* individually configurable high/low periods */
+	PWM_SOFT = 4		/* software generated */
 };
 
 struct io_pwm_set_mode {
@@ -176,4 +184,56 @@ struct io_pwm_set_duty {
 	int duty;		/* 0..255 */
 };
 
+/* Returns information about the latest PWM pulse.
+ * lo: Length of the latest low period, in units of 10ns.
+ * hi: Length of the latest high period, in units of 10ns.
+ * cnt: Time since last detected edge, in units of 10ns.
+ *
+ * The input source to PWM is decied by IO_PWM_SET_INPUT_SRC.
+ *
+ * NOTE: All PWM devices is connected to the same input source.
+ */
+#define IO_PWM_GET_PERIOD   0x23
+
+struct io_pwm_get_period {
+	unsigned int lo;
+	unsigned int hi;
+	unsigned int cnt;
+};
+
+/* Sets the input source for the PWM input. For the src value see the
+ * register description for gio:rw_pwm_in_cfg.
+ *
+ * NOTE: All PWM devices is connected to the same input source.
+ */
+#define IO_PWM_SET_INPUT_SRC   0x24
+struct io_pwm_set_input_src {
+	unsigned int src;	/* 0..7 */
+};
+
+/* Sets the duty cycles in steps of 1/256, 0 = 0%, 255 = 100% duty cycle */
+#define IO_PPWM_SET_DUTY     0x25
+
+struct io_ppwm_set_duty {
+	int duty;		/* 0..255 */
+};
+
+/* Configuraton struct for the IO_PWMCLK_SET_CONFIG ioctl to configure
+ * PWM capable gpio pins:
+ */
+#define IO_PWMCLK_SETGET_CONFIG 0x26
+struct gpio_pwmclk_conf {
+  unsigned int gpiopin; /* The pin number based on the opened device */
+  unsigned int baseclk; /* The base clock to use, or sw will select one close*/
+  unsigned int low;     /* The number of low periods of the baseclk */
+  unsigned int high;    /* The number of high periods of the baseclk */
+};
+
+/* Examples:
+ * To get a symmetric 12 MHz clock without knowing anything about the hardware:
+ * baseclk = 12000000, low = 0, high = 0
+ * To just get info of current setting:
+ * baseclk = 0, low = 0, high = 0, the values will be updated by driver.
+ */
+
 #endif
diff --git a/arch/cris/include/asm/ioctls.h b/arch/cris/include/asm/ioctls.h
index 35bbc181598a..488fbb3f5e84 100644
--- a/arch/cris/include/asm/ioctls.h
+++ b/arch/cris/include/asm/ioctls.h
@@ -1,92 +1,11 @@
 #ifndef __ARCH_CRIS_IOCTLS_H__
 #define __ARCH_CRIS_IOCTLS_H__
 
-/* verbatim copy of asm-i386/ioctls.h */
-
-#include <asm/ioctl.h>
-
-/* 0x54 is just a magic number to make these relatively unique ('T') */
-
-#define TCGETS		0x5401
-#define TCSETS		0x5402
-#define TCSETSW		0x5403
-#define TCSETSF		0x5404
-#define TCGETA		0x5405
-#define TCSETA		0x5406
-#define TCSETAW		0x5407
-#define TCSETAF		0x5408
-#define TCSBRK		0x5409
-#define TCXONC		0x540A
-#define TCFLSH		0x540B
-#define TIOCEXCL	0x540C
-#define TIOCNXCL	0x540D
-#define TIOCSCTTY	0x540E
-#define TIOCGPGRP	0x540F
-#define TIOCSPGRP	0x5410
-#define TIOCOUTQ	0x5411
-#define TIOCSTI		0x5412
-#define TIOCGWINSZ	0x5413
-#define TIOCSWINSZ	0x5414
-#define TIOCMGET	0x5415
-#define TIOCMBIS	0x5416
-#define TIOCMBIC	0x5417
-#define TIOCMSET	0x5418
-#define TIOCGSOFTCAR	0x5419
-#define TIOCSSOFTCAR	0x541A
-#define FIONREAD	0x541B
-#define TIOCINQ		FIONREAD
-#define TIOCLINUX	0x541C
-#define TIOCCONS	0x541D
-#define TIOCGSERIAL	0x541E
-#define TIOCSSERIAL	0x541F
-#define TIOCPKT		0x5420
-#define FIONBIO		0x5421
-#define TIOCNOTTY	0x5422
-#define TIOCSETD	0x5423
-#define TIOCGETD	0x5424
-#define TCSBRKP		0x5425	/* Needed for POSIX tcsendbreak() */
-#define TIOCSBRK	0x5427  /* BSD compatibility */
-#define TIOCCBRK	0x5428  /* BSD compatibility */
-#define TIOCGSID	0x5429  /* Return the session ID of FD */
-#define TCGETS2		_IOR('T',0x2A, struct termios2)
-#define TCSETS2		_IOW('T',0x2B, struct termios2)
-#define TCSETSW2	_IOW('T',0x2C, struct termios2)
-#define TCSETSF2	_IOW('T',0x2D, struct termios2)
-#define TIOCGPTN	_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
-#define TIOCSPTLCK	_IOW('T',0x31, int)  /* Lock/unlock Pty */
-
-#define FIONCLEX	0x5450  /* these numbers need to be adjusted. */
-#define FIOCLEX		0x5451
-#define FIOASYNC	0x5452
-#define TIOCSERCONFIG	0x5453
-#define TIOCSERGWILD	0x5454
-#define TIOCSERSWILD	0x5455
-#define TIOCGLCKTRMIOS	0x5456
-#define TIOCSLCKTRMIOS	0x5457
 #define TIOCSERGSTRUCT	0x5458 /* For debugging only */
-#define TIOCSERGETLSR   0x5459 /* Get line status register */
-#define TIOCSERGETMULTI 0x545A /* Get multiport config  */
-#define TIOCSERSETMULTI 0x545B /* Set multiport config */
-
-#define TIOCMIWAIT	0x545C	/* wait for a change on serial input line(s) */
-#define TIOCGICOUNT	0x545D	/* read serial port inline interrupt counts */
-#define TIOCGHAYESESP   0x545E  /* Get Hayes ESP configuration */
-#define TIOCSHAYESESP   0x545F  /* Set Hayes ESP configuration */
-#define FIOQSIZE	0x5460
-
 #define TIOCSERSETRS485	0x5461  /* enable rs-485 (deprecated) */
 #define TIOCSERWRRS485	0x5462  /* write rs-485 */
 #define TIOCSRS485	0x5463  /* enable rs-485 */
 
-/* Used for packet mode */
-#define TIOCPKT_DATA		 0
-#define TIOCPKT_FLUSHREAD	 1
-#define TIOCPKT_FLUSHWRITE	 2
-#define TIOCPKT_STOP		 4
-#define TIOCPKT_START		 8
-#define TIOCPKT_NOSTOP		16
-#define TIOCPKT_DOSTOP		32
-
-#define TIOCSER_TEMT    0x01	/* Transmitter physically empty */
+#include <asm-generic/ioctls.h>
 
 #endif
diff --git a/arch/cris/include/asm/irqflags.h b/arch/cris/include/asm/irqflags.h
new file mode 100644
index 000000000000..943ba5ca6d2c
--- /dev/null
+++ b/arch/cris/include/asm/irqflags.h
@@ -0,0 +1 @@
+#include <arch/irqflags.h>
diff --git a/arch/cris/include/asm/local64.h b/arch/cris/include/asm/local64.h
new file mode 100644
index 000000000000..36c93b5cc239
--- /dev/null
+++ b/arch/cris/include/asm/local64.h
@@ -0,0 +1 @@
+#include <asm-generic/local64.h>
diff --git a/arch/cris/include/asm/pgtable.h b/arch/cris/include/asm/pgtable.h
index 99ea6cd1b143..9eaae217b21b 100644
--- a/arch/cris/include/asm/pgtable.h
+++ b/arch/cris/include/asm/pgtable.h
@@ -248,10 +248,8 @@ static inline pgd_t * pgd_offset(const struct mm_struct *mm, unsigned long addre
 	((pte_t *) pmd_page_vaddr(*(dir)) +  __pte_offset(address))
 #define pte_offset_map(dir, address) \
 	((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
-#define pte_offset_map_nested(dir, address) pte_offset_map(dir, address)
 
 #define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
 #define pte_pfn(x)		((unsigned long)(__va((x).pte)) >> PAGE_SHIFT)
 #define pfn_pte(pfn, prot)	__pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
 
@@ -260,6 +258,9 @@ static inline pgd_t * pgd_offset(const struct mm_struct *mm, unsigned long addre
 #define pgd_ERROR(e) \
         printk("%s:%d: bad pgd %p(%08lx).\n", __FILE__, __LINE__, &(e), pgd_val(e))
 
+#define io_remap_pfn_range(vma, vaddr, pfn, size, prot)         \
+		remap_pfn_range(vma, vaddr, pfn, size, prot)
+
 
 extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; /* defined in head.S */
 
diff --git a/arch/cris/include/asm/scatterlist.h b/arch/cris/include/asm/scatterlist.h
index 249a7842ff5f..f11f8f40ec4a 100644
--- a/arch/cris/include/asm/scatterlist.h
+++ b/arch/cris/include/asm/scatterlist.h
@@ -3,6 +3,4 @@
 
 #include <asm-generic/scatterlist.h>
 
-#define ISA_DMA_THRESHOLD (0x1fffffff)
-
 #endif /* !(__ASM_CRIS_SCATTERLIST_H) */
diff --git a/arch/cris/include/asm/sync_serial.h b/arch/cris/include/asm/sync_serial.h
index d87c24df2b38..7f827fea30e7 100644
--- a/arch/cris/include/asm/sync_serial.h
+++ b/arch/cris/include/asm/sync_serial.h
@@ -19,6 +19,7 @@
 #define SSP_OPOLARITY  _IOR('S', 4, unsigned int)
 #define SSP_SPI        _IOR('S', 5, unsigned int)
 #define SSP_INBUFCHUNK _IOR('S', 6, unsigned int)
+#define SSP_INPUT      _IOR('S', 7, unsigned int)
 
 /* Values for SSP_SPEED */
 #define SSP150        0
@@ -37,6 +38,7 @@
 #define SSP921600    13
 #define SSP3125000   14
 #define CODEC        15
+#define CODEC_f32768 16
 
 #define FREQ_4MHz   0
 #define FREQ_2MHz   1
@@ -46,9 +48,14 @@
 #define FREQ_128kHz 5
 #define FREQ_64kHz  6
 #define FREQ_32kHz  7
+/* FREQ_* with values where bit (value & 0x10) is set are */
+/* used for CODEC_f32768 */
+#define FREQ_4096kHz 16 /* CODEC_f32768 */
 
 /* Used by application to set CODEC divider, word rate and frame rate */
-#define CODEC_VAL(freq, clk_per_sync, sync_per_frame) (CODEC | (freq << 8) | (clk_per_sync << 16) | (sync_per_frame << 28))
+#define CODEC_VAL(freq, clk_per_sync, sync_per_frame) \
+	((CODEC + ((freq & 0x10) >> 4)) | (freq << 8) | \
+		   (clk_per_sync << 16) | (sync_per_frame << 28))
 
 /* Used by driver to extract speed */
 #define GET_SPEED(x) (x & 0xff)
@@ -68,6 +75,7 @@
 #define NORMAL_SYNC                1
 #define EARLY_SYNC                 2
 #define SECOND_WORD_SYNC     0x40000
+#define LATE_SYNC            0x80000
 
 #define BIT_SYNC                   4
 #define WORD_SYNC                  8
@@ -104,4 +112,21 @@
 /* Values for SSP_INBUFCHUNK */
 /* plain integer with the size of DMA chunks */
 
+/* To ensure that the timestamps are aligned with the data being read
+ * the read length MUST be a multiple of the length of the DMA buffers.
+ *
+ * Use a multiple of SSP_INPUT_CHUNK_SIZE defined below.
+ */
+#define SSP_INPUT_CHUNK_SIZE  256
+
+/* Request struct to pass through the ioctl interface to read
+ * data with timestamps.
+ */
+struct ssp_request {
+	char __user *buf;	/* Where to put the data. */
+	size_t len;		/* Size of buf. MUST be a multiple of */
+				/* SSP_INPUT_CHUNK_SIZE! */
+	struct timespec ts;	/* The time the data was sampled. */
+};
+
 #endif
diff --git a/arch/cris/include/asm/system.h b/arch/cris/include/asm/system.h
index 8657b084a922..ea10592f7d75 100644
--- a/arch/cris/include/asm/system.h
+++ b/arch/cris/include/asm/system.h
@@ -1,6 +1,7 @@
 #ifndef __ASM_CRIS_SYSTEM_H
 #define __ASM_CRIS_SYSTEM_H
 
+#include <linux/irqflags.h>
 #include <arch/system.h>
 
 /* the switch_to macro calls resume, an asm function in entry.S which does the actual
diff --git a/arch/cris/include/asm/termbits.h b/arch/cris/include/asm/termbits.h
index 66e1a7492a0c..1c43bc874ccf 100644
--- a/arch/cris/include/asm/termbits.h
+++ b/arch/cris/include/asm/termbits.h
@@ -214,6 +214,7 @@ struct ktermios {
 #define FLUSHO	0010000
 #define PENDIN	0040000
 #define IEXTEN	0100000
+#define EXTPROC	0200000
 
 /* tcflow() and TCXONC use these */
 #define	TCOOFF		0