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Date:      Sat, 10 May 2014 20:03:04 +0000 (UTC)
From:      Ian Lepore <ian@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r265852 - in head/sys/arm: at91 cavium/cns11xx mv mv/orion s3c2xx0 xscale/i80321 xscale/i8134x xscale/ixp425 xscale/pxa
Message-ID:  <201405102003.s4AK34sK013136@svn.freebsd.org>

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Author: ian
Date: Sat May 10 20:03:03 2014
New Revision: 265852
URL: http://svnweb.freebsd.org/changeset/base/265852

Log:
  When mapping device memory, use PTE_DEVICE rather than PTE_NOCACHE.
  On armv4 these are defined as synonyms right now, but it's a bit ambiguous
  what NOCACHE means (is buffering/write-combining also enabled or not?); this
  is a first step towards replacing PTE_NOCACHE with a less ambiguous name.

Modified:
  head/sys/arm/at91/at91_machdep.c
  head/sys/arm/cavium/cns11xx/econa_machdep.c
  head/sys/arm/mv/mv_localbus.c
  head/sys/arm/mv/mv_machdep.c
  head/sys/arm/mv/mv_pci.c
  head/sys/arm/mv/orion/db88f5xxx.c
  head/sys/arm/s3c2xx0/s3c24x0_machdep.c
  head/sys/arm/xscale/i80321/ep80219_machdep.c
  head/sys/arm/xscale/i80321/iq31244_machdep.c
  head/sys/arm/xscale/i8134x/crb_machdep.c
  head/sys/arm/xscale/ixp425/avila_machdep.c
  head/sys/arm/xscale/pxa/pxa_machdep.c

Modified: head/sys/arm/at91/at91_machdep.c
==============================================================================
--- head/sys/arm/at91/at91_machdep.c	Sat May 10 19:47:54 2014	(r265851)
+++ head/sys/arm/at91/at91_machdep.c	Sat May 10 20:03:03 2014	(r265852)
@@ -126,7 +126,7 @@ const struct arm_devmap_entry at91_devma
 		0xfff00000,
 		0x00100000,
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	/* There's a notion that we should do the rest of these lazily. */
 	/*
@@ -150,7 +150,7 @@ const struct arm_devmap_entry at91_devma
 		AT91RM92_OHCI_BASE,
 		0x00100000,
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{
 		/* CompactFlash controller. Portion of EBI CS4 1MB */
@@ -158,7 +158,7 @@ const struct arm_devmap_entry at91_devma
 		AT91RM92_CF_BASE,
 		0x00100000,
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	/*
 	 * The next two should be good for the 9260, 9261 and 9G20 since
@@ -170,7 +170,7 @@ const struct arm_devmap_entry at91_devma
 		AT91SAM9G20_OHCI_BASE,
 		0x00100000,
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{
 		/* EBI CS3 256MB */
@@ -178,7 +178,7 @@ const struct arm_devmap_entry at91_devma
 		AT91SAM9G20_NAND_BASE,
 		AT91SAM9G20_NAND_SIZE,
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	/*
 	 * The next should be good for the 9G45.
@@ -189,7 +189,7 @@ const struct arm_devmap_entry at91_devma
 		AT91SAM9G45_OHCI_BASE,
 		0x00100000,
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{ 0, 0, 0, 0, 0, }
 };

Modified: head/sys/arm/cavium/cns11xx/econa_machdep.c
==============================================================================
--- head/sys/arm/cavium/cns11xx/econa_machdep.c	Sat May 10 19:47:54 2014	(r265851)
+++ head/sys/arm/cavium/cns11xx/econa_machdep.c	Sat May 10 20:03:03 2014	(r265852)
@@ -112,7 +112,7 @@ static const struct arm_devmap_entry eco
 		ECONA_SDRAM_BASE, /*physical*/
 		ECONA_SDRAM_SIZE, /*size*/
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	/*
 	 * Map the on-board devices VA == PA so that we can access them
@@ -127,7 +127,7 @@ static const struct arm_devmap_entry eco
 		ECONA_IO_BASE, /*physical*/
 		ECONA_IO_SIZE, /*size*/
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{
 		/*
@@ -137,7 +137,7 @@ static const struct arm_devmap_entry eco
 		ECONA_OHCI_PBASE, /*physical*/
 		ECONA_USB_SIZE, /*size*/
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{
 		/*
@@ -147,7 +147,7 @@ static const struct arm_devmap_entry eco
 		ECONA_CFI_PBASE, /*physical*/
 		ECONA_CFI_SIZE,
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{
 		0,

Modified: head/sys/arm/mv/mv_localbus.c
==============================================================================
--- head/sys/arm/mv/mv_localbus.c	Sat May 10 19:47:54 2014	(r265851)
+++ head/sys/arm/mv/mv_localbus.c	Sat May 10 20:03:03 2014	(r265852)
@@ -477,7 +477,7 @@ fdt_localbus_devmap(phandle_t dt_node, s
 		fdt_devmap[j].pd_pa = offset;
 		fdt_devmap[j].pd_size = size;
 		fdt_devmap[j].pd_prot = VM_PROT_READ | VM_PROT_WRITE;
-		fdt_devmap[j].pd_cache = PTE_NOCACHE;
+		fdt_devmap[j].pd_cache = PTE_DEVICE;
 
 		/* Copy data to structure used by localbus driver */
 		localbus_banks[bank].va = fdt_devmap[j].pd_va;

Modified: head/sys/arm/mv/mv_machdep.c
==============================================================================
--- head/sys/arm/mv/mv_machdep.c	Sat May 10 19:47:54 2014	(r265851)
+++ head/sys/arm/mv/mv_machdep.c	Sat May 10 20:03:03 2014	(r265852)
@@ -284,7 +284,7 @@ moveon:
 	map->pd_pa = base;
 	map->pd_size = size;
 	map->pd_prot = VM_PROT_READ | VM_PROT_WRITE;
-	map->pd_cache = PTE_NOCACHE;
+	map->pd_cache = PTE_DEVICE;
 
 	return (0);
 out:
@@ -350,7 +350,7 @@ initarm_devmap_init(void)
 	fdt_devmap[i].pd_pa = fdt_immr_pa;
 	fdt_devmap[i].pd_size = fdt_immr_size;
 	fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE;
-	fdt_devmap[i].pd_cache = PTE_NOCACHE;
+	fdt_devmap[i].pd_cache = PTE_DEVICE;
 	i++;
 
 	/*

Modified: head/sys/arm/mv/mv_pci.c
==============================================================================
--- head/sys/arm/mv/mv_pci.c	Sat May 10 19:47:54 2014	(r265851)
+++ head/sys/arm/mv/mv_pci.c	Sat May 10 20:03:03 2014	(r265852)
@@ -235,14 +235,14 @@ mv_pci_devmap(phandle_t node, struct arm
 	devmap->pd_pa = io_space.base_parent;
 	devmap->pd_size = io_space.len;
 	devmap->pd_prot = VM_PROT_READ | VM_PROT_WRITE;
-	devmap->pd_cache = PTE_NOCACHE;
+	devmap->pd_cache = PTE_DEVICE;
 	devmap++;
 
 	devmap->pd_va = (mem_va ? mem_va : mem_space.base_parent);
 	devmap->pd_pa = mem_space.base_parent;
 	devmap->pd_size = mem_space.len;
 	devmap->pd_prot = VM_PROT_READ | VM_PROT_WRITE;
-	devmap->pd_cache = PTE_NOCACHE;
+	devmap->pd_cache = PTE_DEVICE;
 	return (0);
 }
 

Modified: head/sys/arm/mv/orion/db88f5xxx.c
==============================================================================
--- head/sys/arm/mv/orion/db88f5xxx.c	Sat May 10 19:47:54 2014	(r265851)
+++ head/sys/arm/mv/orion/db88f5xxx.c	Sat May 10 20:03:03 2014	(r265852)
@@ -84,42 +84,42 @@ const struct pmap_devmap pmap_devmap[] =
 		MV_PHYS_BASE,
 		MV_SIZE,
 		VM_PROT_READ | VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{ /* PCIE I/O */
 		MV_PCIE_IO_BASE,
 		MV_PCIE_IO_PHYS_BASE,
 		MV_PCIE_IO_SIZE,
 		VM_PROT_READ | VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{ /* PCIE Memory */
 		MV_PCIE_MEM_BASE,
 		MV_PCIE_MEM_PHYS_BASE,
 		MV_PCIE_MEM_SIZE,
 		VM_PROT_READ | VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{ /* PCI I/O */
 		MV_PCI_IO_BASE,
 		MV_PCI_IO_PHYS_BASE,
 		MV_PCI_IO_SIZE,
 		VM_PROT_READ | VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{ /* PCI Memory */
 		MV_PCI_MEM_BASE,
 		MV_PCI_MEM_PHYS_BASE,
 		MV_PCI_MEM_SIZE,
 		VM_PROT_READ | VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{ /* 7-seg LED */
 		MV_DEV_CS0_BASE,
 		MV_DEV_CS0_PHYS_BASE,
 		MV_DEV_CS0_SIZE,
 		VM_PROT_READ | VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{ 0, 0, 0, 0, 0, }
 };

Modified: head/sys/arm/s3c2xx0/s3c24x0_machdep.c
==============================================================================
--- head/sys/arm/s3c2xx0/s3c24x0_machdep.c	Sat May 10 19:47:54 2014	(r265851)
+++ head/sys/arm/s3c2xx0/s3c24x0_machdep.c	Sat May 10 20:03:03 2014	(r265852)
@@ -130,42 +130,42 @@ static const struct arm_devmap_entry s3c
 		_A(S3C24X0_CLKMAN_PA_BASE),
 		_S(S3C24X0_CLKMAN_SIZE),
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{
 		_A(S3C24X0_GPIO_BASE),
 		_A(S3C24X0_GPIO_PA_BASE),
 		_S(S3C2410_GPIO_SIZE),
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{
 		_A(S3C24X0_INTCTL_BASE),
 		_A(S3C24X0_INTCTL_PA_BASE),
 		_S(S3C24X0_INTCTL_SIZE),
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{
 		_A(S3C24X0_TIMER_BASE),
 		_A(S3C24X0_TIMER_PA_BASE),
 		_S(S3C24X0_TIMER_SIZE),
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{
 		_A(S3C24X0_UART0_BASE),
 		_A(S3C24X0_UART0_PA_BASE),
 		_S(S3C24X0_UART_PA_BASE(3) - S3C24X0_UART0_PA_BASE),
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{
 		_A(S3C24X0_WDT_BASE),
 		_A(S3C24X0_WDT_PA_BASE),
 		_S(S3C24X0_WDT_SIZE),
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{
 		0,

Modified: head/sys/arm/xscale/i80321/ep80219_machdep.c
==============================================================================
--- head/sys/arm/xscale/i80321/ep80219_machdep.c	Sat May 10 19:47:54 2014	(r265851)
+++ head/sys/arm/xscale/i80321/ep80219_machdep.c	Sat May 10 20:03:03 2014	(r265852)
@@ -130,21 +130,21 @@ static const struct arm_devmap_entry ep8
 		IQ80321_OBIO_BASE,
 		IQ80321_OBIO_SIZE,
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{
 		IQ80321_IOW_VBASE,
 		VERDE_OUT_XLATE_IO_WIN0_BASE,
 		VERDE_OUT_XLATE_IO_WIN_SIZE,
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},	
 	{
 		IQ80321_80321_VBASE,
 		VERDE_PMMR_BASE,
 		VERDE_PMMR_SIZE,
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{
 		0,

Modified: head/sys/arm/xscale/i80321/iq31244_machdep.c
==============================================================================
--- head/sys/arm/xscale/i80321/iq31244_machdep.c	Sat May 10 19:47:54 2014	(r265851)
+++ head/sys/arm/xscale/i80321/iq31244_machdep.c	Sat May 10 20:03:03 2014	(r265852)
@@ -128,14 +128,14 @@ static const struct arm_devmap_entry iq8
 		    IQ80321_OBIO_BASE,
 		    IQ80321_OBIO_SIZE,
 		    VM_PROT_READ|VM_PROT_WRITE,
-		    PTE_NOCACHE,
+		    PTE_DEVICE,
 	    },
 	    {
 	    	    IQ80321_IOW_VBASE,
 		    VERDE_OUT_XLATE_IO_WIN0_BASE,
 		    VERDE_OUT_XLATE_IO_WIN_SIZE,
 		    VM_PROT_READ|VM_PROT_WRITE,
-		    PTE_NOCACHE,
+		    PTE_DEVICE,
 	    },
 	
 	    {
@@ -143,7 +143,7 @@ static const struct arm_devmap_entry iq8
 		    VERDE_PMMR_BASE,
 		    VERDE_PMMR_SIZE,
 		    VM_PROT_READ|VM_PROT_WRITE,
-		    PTE_NOCACHE,
+		    PTE_DEVICE,
 	    },
 	    {
 		    0,

Modified: head/sys/arm/xscale/i8134x/crb_machdep.c
==============================================================================
--- head/sys/arm/xscale/i8134x/crb_machdep.c	Sat May 10 19:47:54 2014	(r265851)
+++ head/sys/arm/xscale/i8134x/crb_machdep.c	Sat May 10 20:03:03 2014	(r265852)
@@ -124,7 +124,7 @@ static const struct arm_devmap_entry iq8
 		    IOP34X_HWADDR,
 		    IOP34X_SIZE,
 		    VM_PROT_READ|VM_PROT_WRITE,
-		    PTE_NOCACHE,
+		    PTE_DEVICE,
 	    },
 	    {
 		    /*
@@ -135,14 +135,14 @@ static const struct arm_devmap_entry iq8
 		    IOP34X_PCIX_OIOBAR &~ (0x100000 - 1),
 		    0x100000,
 		    VM_PROT_READ|VM_PROT_WRITE,
-		    PTE_NOCACHE,
+		    PTE_DEVICE,
 	    },
 	    {
 		    IOP34X_PCE1_VADDR,
 		    IOP34X_PCE1,
 		    IOP34X_PCE1_SIZE,
 		    VM_PROT_READ|VM_PROT_WRITE,
-		    PTE_NOCACHE,
+		    PTE_DEVICE,
 	    },
 	    {	
 		    0,

Modified: head/sys/arm/xscale/ixp425/avila_machdep.c
==============================================================================
--- head/sys/arm/xscale/ixp425/avila_machdep.c	Sat May 10 19:47:54 2014	(r265851)
+++ head/sys/arm/xscale/ixp425/avila_machdep.c	Sat May 10 20:03:03 2014	(r265852)
@@ -118,31 +118,31 @@ struct pv_addr minidataclean;
 static const struct arm_devmap_entry ixp425_devmap[] = {
 	/* Physical/Virtual address for I/O space */
     { IXP425_IO_VBASE, IXP425_IO_HWBASE, IXP425_IO_SIZE,
-      VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 
 	/* Expansion Bus */
     { IXP425_EXP_VBASE, IXP425_EXP_HWBASE, IXP425_EXP_SIZE,
-      VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 
 	/* CFI Flash on the Expansion Bus */
     { IXP425_EXP_BUS_CS0_VBASE, IXP425_EXP_BUS_CS0_HWBASE,
-      IXP425_EXP_BUS_CS0_SIZE, VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      IXP425_EXP_BUS_CS0_SIZE, VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 
 	/* IXP425 PCI Configuration */
     { IXP425_PCI_VBASE, IXP425_PCI_HWBASE, IXP425_PCI_SIZE,
-      VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 
 	/* SDRAM Controller */
     { IXP425_MCU_VBASE, IXP425_MCU_HWBASE, IXP425_MCU_SIZE,
-      VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 
 	/* PCI Memory Space */
     { IXP425_PCI_MEM_VBASE, IXP425_PCI_MEM_HWBASE, IXP425_PCI_MEM_SIZE,
-      VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 
 	/* Q-Mgr Memory Space */
     { IXP425_QMGR_VBASE, IXP425_QMGR_HWBASE, IXP425_QMGR_SIZE,
-      VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 
     { 0 },
 };
@@ -151,45 +151,45 @@ static const struct arm_devmap_entry ixp
 static const struct arm_devmap_entry ixp435_devmap[] = {
 	/* Physical/Virtual address for I/O space */
     { IXP425_IO_VBASE, IXP425_IO_HWBASE, IXP425_IO_SIZE,
-      VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 
     { IXP425_EXP_VBASE, IXP425_EXP_HWBASE, IXP425_EXP_SIZE,
-      VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 
 	/* IXP425 PCI Configuration */
     { IXP425_PCI_VBASE, IXP425_PCI_HWBASE, IXP425_PCI_SIZE,
-      VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 
 	/* DDRII Controller NB: mapped same place as IXP425 */
     { IXP425_MCU_VBASE, IXP435_MCU_HWBASE, IXP425_MCU_SIZE,
-      VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 
 	/* PCI Memory Space */
     { IXP425_PCI_MEM_VBASE, IXP425_PCI_MEM_HWBASE, IXP425_PCI_MEM_SIZE,
-      VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 
 	/* Q-Mgr Memory Space */
     { IXP425_QMGR_VBASE, IXP425_QMGR_HWBASE, IXP425_QMGR_SIZE,
-      VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 
 	/* CFI Flash on the Expansion Bus */
     { IXP425_EXP_BUS_CS0_VBASE, IXP425_EXP_BUS_CS0_HWBASE,
-      IXP425_EXP_BUS_CS0_SIZE, VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      IXP425_EXP_BUS_CS0_SIZE, VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 
 	/* USB1 Memory Space */
     { IXP435_USB1_VBASE, IXP435_USB1_HWBASE, IXP435_USB1_SIZE,
-      VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 	/* USB2 Memory Space */
     { IXP435_USB2_VBASE, IXP435_USB2_HWBASE, IXP435_USB2_SIZE,
-      VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 
 	/* GPS Memory Space */
     { CAMBRIA_GPS_VBASE, CAMBRIA_GPS_HWBASE, CAMBRIA_GPS_SIZE,
-      VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 
 	/* RS485 Memory Space */
     { CAMBRIA_RS485_VBASE, CAMBRIA_RS485_HWBASE, CAMBRIA_RS485_SIZE,
-      VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE, },
+      VM_PROT_READ|VM_PROT_WRITE, PTE_DEVICE, },
 
     { 0 }
 };

Modified: head/sys/arm/xscale/pxa/pxa_machdep.c
==============================================================================
--- head/sys/arm/xscale/pxa/pxa_machdep.c	Sat May 10 19:47:54 2014	(r265851)
+++ head/sys/arm/xscale/pxa/pxa_machdep.c	Sat May 10 20:03:03 2014	(r265852)
@@ -129,7 +129,7 @@ static const struct arm_devmap_entry pxa
 		PXA2X0_PERIPH_START,
 		PXA250_PERIPH_END - PXA2X0_PERIPH_START,
 		VM_PROT_READ|VM_PROT_WRITE,
-		PTE_NOCACHE,
+		PTE_DEVICE,
 	},
 	{ 0, 0, 0, 0, 0, }
 };



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