v2.4.13.1 -> v2.4.13.2

  - Alan Cox: more merging
  - Alexander Viro: block device module race fixes
  - Richard Henderson: mmap for 32-bit alpha personality
  - Jeff Garzik: 8139 and natsemi update

Documentation/arm/SA1100/Assabet

@@ -245,32 +245,58 @@ nico@cam.org
 June 12, 2001
 
 
-Status of peripherals in -rmk tree
-----------------------------------
+Status of peripherals in -rmk tree (updated 14/10/2001)
+-------------------------------------------------------
 
 Assabet:
  Serial ports:
-  Radio:	TX, RX, CTS, DSR, DCD, RI
-  COM:		TX, RX, CTS, DSR, DCD, RTS, DTR, PM
-  I2C:		TX, RX
-  L3:		No
+  Radio:		TX, RX, CTS, DSR, DCD, RI
+   PM:			Not tested.
+  COM:			TX, RX, CTS, DSR, DCD, RTS, DTR, PM
+   PM:			Not tested.
+  I2C:			Implemented, not fully tested.
+  L3:			Fully tested, pass.
+   PM:			Not tested.
 
  Video:
-  LCD:		PM
-  Video out:	Not fully
-  Touchscreen:	No
+  LCD:			Fully tested.  PM
+			(LCD doesn't like being blanked with
+			 neponset connected)
+  Video out:		Not fully
 
  Audio:
-  Codec:	No
-  POTS:		No
+  UDA1341:
+   Playback:		Fully tested, pass.
+   Record:		Implemented, not tested.
+   PM:			Not tested.
+
+  UCB1200:
+   Audio play:		Implemented, not heavily tested.
+   Audio rec:		Implemented, not heavily tested.
+   Telco audio play:	Implemented, not heavily tested.
+   Telco audio rec:	Implemented, not heavily tested.
+   POTS control:	No
+   Touchscreen:		Yes
+   PM:			Not tested.
 
  Other:
-  PCMCIA:	Yes
-  USB:		No
+  PCMCIA:
+   LPE:			Fully tested, pass.
+  USB:			No
+  IRDA:
+   SIR:			Fully tested, pass.
+   FIR:			Fully tested, pass.
+   PM:			Not tested.
 
 Neponset:
  Serial ports:
   COM1,2:	TX, RX, CTS, DSR, DCD, RTS, DTR
+   PM:			Not tested.
+  USB:			Implemented, not heavily tested.
+  PCMCIA:		Implemented, not heavily tested.
+   PM:			Not tested.
+  CF:			Implemented, not heavily tested.
+   PM:			Not tested.
 
 More stuff can be found in the -np (Nicolas Pitre's) tree.
 

Documentation/filesystems/vfat.txt

@@ -48,8 +48,15 @@ check=s|r|n   -- Case sensitivity checking setting.
                  r: relaxed, case insensitive
                  n: normal, default setting, currently case insensitive
 
-nocase        -- Returning with having the 8.3 format alias kept in
-                 the disk. Default, return lowercase letter.
+shortname=lower|win95|winnt|mixed
+	      -- Shortname display/create setting.
+		 lower: convert to lowercase for display,
+			emulate the Windows 95 rule for create.
+		 win95: emulate the Windows 95 rule for display/create.
+		 winnt: emulate the Windows NT rule for display/create.
+		 mixed: emulate the Windows NT rule for display,
+			emulate the Windows 95 rule for create.
+		 Default setting is `lower'.
 
 <bool>: 0,1,yes,no,true,false
 

Documentation/networking/8139too.txt

@@ -17,9 +17,6 @@
 Disclaimer
 ----------
 
-THIS DRIVER IS A DEVELOPMENT RELEASE FOR A DEVELOPMENT KERNEL.  DO NOT
-USE IN A PRODUCTION ENVIRONMENT.
-
 DO NOT CONTACT DONALD BECKER FOR SUPPORT OF THIS DRIVER, his driver is
 completely different and maintained independently of the 8139too code base.
 
@@ -95,6 +92,7 @@ OPTION 2: Build outside kernel tree
 Tested Adapters
 ---------------
 AOpen ALN-325C
+AT-2500TX 10/100 PCI Fast Ethernet Network Adapter Card
 KTI KF-230TX
 KTI KF-230TX/2
 Lantech FastNet TX

MAINTAINERS

@@ -93,7 +93,12 @@ M:	ajk@iehk.rwth-aachen.de
 L:	linux-hams@vger.kernel.org
 S:	Maintained
 
-8139TOO ETHERNET DRIVER
+8139CP 10/100 FAST ETHERNET DRIVER
+P:	Jeff Garzik
+M:	jgarzik@mandrakesoft.com
+S:	Maintained
+
+8139TOO 10/100 FAST ETHERNET DRIVER
 P:	Jeff Garzik
 M:	jgarzik@mandrakesoft.com
 W:	http://sourceforge.net/projects/gkernel/
@@ -640,6 +645,13 @@ M:	rhw@memalpha.cx
 L:	Linux-Kernel@vger.kernel.org
 S:	Maintained
 
+i386 SETUP CODE / CPU ERRATA WORKAROUNDS
+P:	Dave Jones
+M:	davej@suse.de
+P:	H. Peter Anvin
+M:	hpa@zytor.com
+S:	Maintained
+
 i810 TCO TIMER WATCHDOG
 P:	Nils Faerber
 M:	nils@kernelconcepts.de

Makefile

 VERSION = 2
 PATCHLEVEL = 4
 SUBLEVEL = 14
-EXTRAVERSION =-pre1
+EXTRAVERSION =-pre2
 
 KERNELRELEASE=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
 

arch/alpha/kernel/osf_sys.c

@@ -1320,3 +1320,62 @@ asmlinkage int sys_old_adjtimex(struct timex32 *txc_p)
 
 	return ret;
 }
+
+/* Get an address range which is currently unmapped.  Similar to the
+   generic version except that we know how to honor ADDR_LIMIT_32BIT.  */
+
+static unsigned long
+arch_get_unmapped_area_1(unsigned long addr, unsigned long len,
+		         unsigned long limit)
+{
+	struct vm_area_struct *vma = find_vma(current->mm, addr);
+
+	while (1) {
+		/* At this point:  (!vma || addr < vma->vm_end). */
+		if (limit - len < addr)
+			return -ENOMEM;
+		if (!vma || addr + len <= vma->vm_start)
+			return addr;
+		addr = vma->vm_end;
+		vma = vma->vm_next;
+	}
+}
+
+unsigned long
+arch_get_unmapped_area(struct file *filp, unsigned long addr,
+		       unsigned long len, unsigned long pgoff,
+		       unsigned long flags)
+{
+	unsigned long limit;
+
+	/* "32 bit" actually means 31 bit, since pointers sign extend.  */
+	if (current->personality & ADDR_LIMIT_32BIT)
+		limit = 0x80000000;
+	else
+		limit = TASK_SIZE;
+
+	if (len > limit)
+		return -ENOMEM;
+
+	/* First, see if the given suggestion fits.  */
+	if (addr) {
+		struct vm_area_struct *vma;
+
+		addr = PAGE_ALIGN(addr);
+		vma = find_vma(current->mm, addr);
+		if (limit - len >= addr &&
+		    (!vma || addr + len <= vma->vm_start))
+			return addr;
+	}
+
+	/* Next, try allocating at TASK_UNMAPPED_BASE.  */
+	addr = arch_get_unmapped_area_1 (PAGE_ALIGN(TASK_UNMAPPED_BASE),
+					 len, limit);
+	if (addr != -ENOMEM)
+		return addr;
+
+	/* Finally, try allocating in low memory.  */
+	addr = arch_get_unmapped_area_1 (PAGE_SIZE, len, limit);
+
+	return addr;
+}

arch/arm/config.in

@@ -39,6 +39,7 @@ choice 'ARM system type' \
  	 CLPS711x/EP721x-based	CONFIG_ARCH_CLPS711X \
 	 Co-EBSA285		CONFIG_ARCH_CO285 \
 	 EBSA-110		CONFIG_ARCH_EBSA110 \
+ 	 Epxa10db               CONFIG_ARCH_CAMELOT \
 	 FootBridge		CONFIG_ARCH_FOOTBRIDGE \
 	 Integrator		CONFIG_ARCH_INTEGRATOR \
 	 LinkUp-L7200		CONFIG_ARCH_L7200 \
@@ -73,7 +74,16 @@ dep_bool '  ADS Bitsy' CONFIG_SA1100_ADSBITSY $CONFIG_ARCH_SA1100
 dep_bool '  Brutus' CONFIG_SA1100_BRUTUS $CONFIG_ARCH_SA1100
 dep_bool '  CerfBoard' CONFIG_SA1100_CERF $CONFIG_ARCH_SA1100
 if [ "$CONFIG_SA1100_CERF" = "y" ]; then
-   bool '    32MB Cerf support' CONFIG_SA1100_CERF_32MB
+   choice 'Cerf RAM available' \
+        "8MB   CONFIG_SA1100_CERF_8MB \
+         16MB   CONFIG_SA1100_CERF_16MB \
+         32MB   CONFIG_SA1100_CERF_32MB \
+         64MB   CONFIG_SA1100_CERF_64MB" CerfRam
+   choice 'Cerf Flash available'  \
+        "8MB    CONFIG_SA1100_CERF_FLASH_8MB \
+         16MB   CONFIG_SA1100_CERF_FLASH_16MB \
+         32MB   CONFIG_SA1100_CERF_FLASH_32MB" CerfFlash
+   bool 'Cerf w/CPLD support (CerfPDA)' CONFIG_SA1100_CERF_CPLD
 fi
 dep_bool '  Compaq iPAQ H3600' CONFIG_SA1100_H3600 $CONFIG_ARCH_SA1100
 #dep_bool '  Empeg' CONFIG_SA1100_EMPEG $CONFIG_ARCH_SA1100
@@ -194,7 +204,8 @@ if [ "$CONFIG_ARCH_EBSA110"    = "y" -o "$CONFIG_FOOTBRIDGE"    = "y" -o \
      "$CONFIG_ARCH_TBOX"       = "y" -o "$CONFIG_ARCH_SHARK"    = "y" -o \
      "$CONFIG_ARCH_NEXUSPCI"   = "y" -o "$CONFIG_ARCH_CLPS711X" = "y" -o \
      "$CONFIG_ARCH_INTEGRATOR" = "y" -o "$CONFIG_ARCH_SA1100"   = "y" -o \
-     "$CONFIG_ARCH_L7200"      = "y" -o "$CONFIG_ARCH_ANAKIN"	= "y" ]; then
+     "$CONFIG_ARCH_L7200"      = "y" -o "$CONFIG_ARCH_ANAKIN"	= "y" -o \
+     "$CONFIG_ARCH_CAMELOT"    = "y" ]; then
    define_bool CONFIG_CPU_32v4 y
 else
    define_bool CONFIG_CPU_32v4 n
@@ -369,6 +380,7 @@ if [ "$CONFIG_ARCH_EBSA110" = "y" -o         \
      "$CONFIG_ARCH_CATS" = "y" -o            \
      "$CONFIG_ARCH_P720T" = "y" -o	     \
      "$CONFIG_ARCH_CDB89712" = "y" -o	     \
+     "$CONFIG_ARCH_CAMELOT" = "y" -o	     \
      "$CONFIG_ARCH_ANAKIN" = "y" ]; then
    string 'Default kernel command string' CONFIG_CMDLINE ""
 fi
@@ -562,7 +574,9 @@ bool 'Compile kernel without frame pointer' CONFIG_NO_FRAME_POINTER
 bool 'Verbose kernel error messages' CONFIG_DEBUG_ERRORS
 bool 'Verbose user fault messages' CONFIG_DEBUG_USER
 bool 'Include debugging information in kernel binary' CONFIG_DEBUG_INFO
+bool 'Debug memory allocations' CONFIG_DEBUG_SLAB
 bool 'Magic SysRq key' CONFIG_MAGIC_SYSRQ
+bool 'Spinlock debugging' CONFIG_DEBUG_SPINLOCK
 dep_bool 'Disable pgtable cache' CONFIG_NO_PGT_CACHE $CONFIG_CPU_26
 # These options are only for real kernel hackers who want to get their hands dirty. 
 dep_bool 'Kernel low-level debugging functions' CONFIG_DEBUG_LL $CONFIG_EXPERIMENTAL

arch/arm/kernel/Makefile

@@ -42,7 +42,7 @@ export-objs	:= armksyms.o dma.o ecard.o fiq.o io.o oldlatches.o time.o
 
 no-irq-arch	:= $(CONFIG_ARCH_INTEGRATOR) $(CONFIG_ARCH_CLPS711X) \
 		   $(CONFIG_FOOTBRIDGE) $(CONFIG_ARCH_EBSA110) \
-		   $(CONFIG_ARCH_SA1100)
+		   $(CONFIG_ARCH_SA1100) $(CONFIG_ARCH_CAMELOT)
 
 ifneq ($(findstring y,$(no-irq-arch)),y)
   obj-y		+= irq-arch.o

arch/arm/kernel/debug-armv.S

@@ -333,6 +333,37 @@
 		bne	1001b
 		.endm
 
+#elif defined(CONFIG_ARCH_CAMELOT)
+
+#include <asm/arch/excalibur.h>
+#define UART00_TYPE
+#include <asm/arch/uart00.h>
+
+		.macro	addruart,rx
+		mrc	p15, 0, \rx, c1, c0
+		tst	\rx, #1			@ MMU enabled?
+		ldr	\rx, =EXC_UART00_BASE	@ physical base address
+		orrne	\rx, \rx, #0xff000000	@ virtual base
+		orrne	\rx, \rx, #0x00f00000	
+		.endm
+
+		.macro	senduart,rd,rx
+		str	\rd, [\rx, #UART_TD(0)]
+		.endm
+
+		.macro	waituart,rd,rx
+1001:		ldr	\rd, [\rx, #UART_TSR(0)]
+		and 	\rd, \rd,  #UART_TSR_TX_LEVEL_MSK
+		cmp	\rd, #15
+		beq	1001b
+		.endm
+
+		.macro	busyuart,rd,rx
+1001:		ldr	\rd, [\rx, #UART_TSR(0)]
+		ands 	\rd, \rd,  #UART_TSR_TX_LEVEL_MSK
+		bne	1001b
+		.endm
+
 #else
 #error Unknown architecture
 #endif

arch/arm/kernel/entry-armv.S

@@ -16,6 +16,7 @@
 #include <linux/config.h>
 #include "entry-header.S"
 
+
 #ifdef IOC_BASE
 /* IOC / IOMD based hardware */
 #include <asm/hardware/iomd.h>
@@ -498,6 +499,27 @@ ENTRY(soft_irq_mask)
 
 		.macro	irq_prio_table
 		.endm
+	
+#elif defined (CONFIG_ARCH_CAMELOT)
+#include <asm/arch/platform.h>
+#undef IRQ_MODE /* same name defined in asm/proc/ptrace.h */
+#include <asm/arch/int_ctrl00.h>
+	
+		.macro	disable_fiq
+		.endm
+
+		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
+	
+		ldr	\irqstat, =INT_ID(IO_ADDRESS(EXC_INT_CTRL00_BASE))
+		ldr	\irqnr,[\irqstat]		
+		cmp	\irqnr,#0
+		subne	\irqnr,\irqnr,#1
+
+	
+		.endm
+
+		.macro	irq_prio_table
+		.endm
 
 #elif defined(CONFIG_ARCH_ANAKIN)
 

arch/arm/lib/backtrace.S

@@ -44,33 +44,33 @@ ENTRY(c_backtrace)
 1:		moveq	r0, #-2
 		LOADREGS(eqfd, sp!, {r4 - r8, pc})
 
-2:		stmfd	sp!, {pc}			@ calculate offset of PC in STMIA instruction
+2:		stmfd	sp!, {pc}		@ calculate offset of PC in STMIA instruction
 		ldr	r0, [sp], #4
 		adr	r1, 2b - 4
 		sub	offset, r0, r1
 
-3:		tst	frame, mask			@ Check for address exceptions...
+3:		tst	frame, mask		@ Check for address exceptions...
 		bne	1b
 
-		ldmda	frame, {r0, r1, r2, r3}		@ fp, sp, lr, pc
+1001:		ldmda	frame, {r0, r1, r2, r3}	@ fp, sp, lr, pc
 		mov	next, r0
 
-		sub	save, r3, offset		@ Correct PC for prefetching
+		sub	save, r3, offset	@ Correct PC for prefetching
 		bic	save, save, mask
 		adr	r0, .Lfe
 		mov	r1, save
 		bic	r2, r2, mask
-		bl	SYMBOL_NAME(printk)
+		bl	SYMBOL_NAME(printk)	@ print pc and link register
 
 		sub	r0, frame, #16
-		ldr	r1, [save, #4]
+1002:		ldr	r1, [save, #4]		@ get instruction at function+4
 		mov	r3, r1, lsr #10
 		ldr	r2, .Ldsi+4
 		teq	r3, r2			@ Check for stmia sp!, {args}
 		addeq	save, save, #4		@ next instruction
 		bleq	.Ldumpstm
 
-		ldr	r1, [save, #4]		@ Get 'stmia sp!, {rlist, fp, ip, lr, pc}' instruction
+1003:		ldr	r1, [save, #4]		@ Get 'stmia sp!, {rlist, fp, ip, lr, pc}' instruction
 		mov	r3, r1, lsr #10
 		ldr	r2, .Ldsi
 		teq	r3, r2
@@ -82,6 +82,24 @@ ENTRY(c_backtrace)
 		bne	3b
 		LOADREGS(fd, sp!, {r4 - r8, pc})
 
+/*
+ * Fixup for LDMDB
+ */
+		.section .fixup,"ax"
+		.align	0
+1004:		ldr	r0, =.Lbad
+		mov	r1, frame
+		bl	SYMBOL_NAME(printk)
+		LOADREGS(fd, sp!, {r4 - r8, pc})
+		.ltorg
+		.previous
+		
+		.section __ex_table,"a"
+		.align	3
+		.long	1001b, 1004b
+		.long	1002b, 1004b
+		.long	1003b, 1004b
+		.previous
 
 #define instr r4
 #define reg   r5
@@ -115,6 +133,7 @@ ENTRY(c_backtrace)
 .Lfe:		.asciz	"Function entered at [<%p>] from [<%p>]\n"
 .Lfp:		.asciz	" r%d = %08X%c"
 .Lcr:		.asciz	"\n"
+.Lbad:		.asciz	"Backtrace aborted due to bad frame pointer <%p>\n"
 		.align
 .Ldsi:		.word	0x00e92dd8 >> 2
 		.word	0x00e92d00 >> 2

arch/arm/lib/io-acorn.S

@@ -54,39 +54,6 @@ ENTRY(outsl)
 		mov	r1, lr
 		b	SYMBOL_NAME(printk)
 
-/* Purpose: read a block of data from a hardware register to memory.
- * Proto  : void insw(int from_port, void *to, int len_in_words);
- * Notes  : increment to, 'to' must be 16-bit aligned
- */
-
-ENTRY(insw)
-		addr	r0
-		teq	r2, #0
-		bne	__raw_readsw
-		RETINSTR(mov, pc, lr)
-
-ENTRY(insb)
-		addr	r0
-		teq	r2, #0
-		bne	__raw_readsb
-		RETINSTR(mov, pc, lr)
-
-@ Purpose: write a block of data from memory to a hardware register.
-@ Proto  : outsw(int to_reg, void *from, int len_in_words);
-@ Notes  : increments from
-
-ENTRY(outsw)
-		addr	r0
-		teq	r2, #0
-		bne	__raw_writesw
-		RETINSTR(mov, pc, lr)
-
-ENTRY(outsb)
-		addr	r0
-		teq	r2, #0
-		bne	__raw_writesb
-		RETINSTR(mov, pc, lr)
-
 @ Purpose: write a memc register
 @ Proto  : void memc_write(int register, int value);
 @ Returns: nothing

arch/arm/mach-epxa10db/Makefile

+#
+# Makefile for the linux kernel.
+#
+# Note! Dependencies are done automagically by 'make dep', which also
+# removes any old dependencies. DON'T put your own dependencies here
+# unless it's something special (ie not a .c file).
+
+USE_STANDARD_AS_RULE := true
+
+O_TARGET		:= epxa10db.o
+
+# Object file lists.
+
+obj-y			:= arch.o irq.o mm.o time.o 
+obj-m			:=
+obj-n			:=
+obj-			:=
+
+export-objs		:= 
+
+
+include $(TOPDIR)/Rules.make

arch/arm/mach-epxa10db/arch.c

+/*
+ *  linux/arch/arm/mach-epxa10db/arch.c
+ *
+ *  Copyright (C) 2000 Deep Blue Solutions Ltd
+ *  Copyright (C) 2001 Altera Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#include <linux/config.h>
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+
+#include <asm/hardware.h>
+#include <asm/irq.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+
+#include <asm/mach/arch.h>
+
+extern void epxa10db_map_io(void);
+extern void epxa10db_init_irq(void);
+
+
+static void __init
+epxa10db_fixup(struct machine_desc *desc, struct param_struct *params,
+		 char **cmdline, struct meminfo *mi)
+{
+
+        mi->nr_banks      = 1;
+        mi->bank[0].start = 0;
+        mi->bank[0].size  = (32*1024*1024);
+        mi->bank[0].node  = 0;
+
+/*
+        ROOT_DEV = MKDEV(RAMDISK_MAJOR,0);
+        setup_ramdisk( 1, 0, 0, 8192 );
+        setup_initrd(0xc0200000, 6*1024*1024);
+*/
+}
+
+MACHINE_START(CAMELOT, "Altera Epxa10db")
+	MAINTAINER("Altera Corporation")
+	BOOT_MEM(0x00000000, 0x7fffc000, 0xffffc000)
+      	FIXUP(epxa10db_fixup)
+	MAPIO(epxa10db_map_io)
+	INITIRQ(epxa10db_init_irq)
+
+MACHINE_END

arch/arm/mach-epxa10db/dma.c

+/*
+ *  linux/arch/arm/mach-epxa10db/dma.c
+ *
+ *  Copyright (C) 1999 ARM Limited
+ *  Copyright (C) 2000 Deep Blue Solutions Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#include <linux/sched.h>
+#include <linux/malloc.h>
+#include <linux/mman.h>
+#include <linux/init.h>
+
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include <asm/dma.h>
+#include <asm/io.h>
+#include <asm/hardware.h>
+
+#include <asm/mach/dma.h>
+
+void __init arch_dma_init(dma_t *dma)
+{
+}

arch/arm/mach-sa1100/dma-sa1100.c

@@ -611,7 +611,7 @@ static int __init sa1100_init_dma(void)
 	int channel;
 	for (channel = 0; channel < SA1100_DMA_CHANNELS; channel++) {
 		dma_chan[channel].regs =
-		    (dma_regs_t *) io_p2v(_DDAR(channel));
+		    (dma_regs_t *) &DDAR(channel);
 		dma_chan[channel].irq = IRQ_DMA0 + channel;
 	}
 	return 0;

arch/arm/mach-sa1100/freebird.c

@@ -50,6 +50,11 @@ static void __init freebird_map_io(void)
 
 	sa1100_register_uart(0, 3);
 	sa1100_register_uart(1, 1);
+
+	/* Set up sleep mode registers */
+	PWER = 0x1;
+	PGSR = 0x0;
+	PCFR = PCFR_OPDE | PCFR_FP | PCFR_FS;
 }
 
 MACHINE_START(FREEBIRD, "Freebird-HPC-1.1")