Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (35 commits)
  powerpc/5121: make clock debug output more readable
  powerpc/5xxx: Add common mpc5xxx_get_bus_frequency() function
  powerpc/5200: Update pcm030.dts to add i2c eeprom and delete cruft
  powerpc/5200: convert mpc52xx_psc_spi to use cs_control callback
  fbdev/xilinxfb: Fix improper casting and tighen up probe path
  usb/ps3: Add missing annotations
  powerpc: Add memory clobber to mtspr()
  powerpc: Fix invalid construct in our CPU selection Kconfig
  ps3rom: Use ps3_system_bus_[gs]et_drvdata() instead of direct access
  powerpc: Add configurable -Werror for arch/powerpc
  of_serial: Add UPF_FIXED_TYPE flag
  drivers/hvc: Add missing __devexit_p()
  net/ps3: gelic - Add missing annotations
  powerpc: Introduce macro spin_event_timeout()
  powerpc/warp: Fix ISA_DMA_THRESHOLD default
  powerpc/bootwrapper: Custom build options for XPedite52xx targets
  powerpc/85xx: Add defconfig for X-ES MPC85xx boards
  powerpc/85xx: Add dts files for X-ES MPC85xx boards
  powerpc/85xx: Add platform support for X-ES MPC85xx boards
  83xx: add support for the kmeter1 board.
  ...

20 files changed, 595 insertions, 71 deletions

diff --git a/arch/powerpc/platforms/44x/warp.c b/arch/powerpc/platforms/44x/warp.c
index c5118802a281..42e09a9f77e2 100644
--- a/arch/powerpc/platforms/44x/warp.c
+++ b/arch/powerpc/platforms/44x/warp.c
@@ -43,7 +43,13 @@ static int __init warp_probe(void)
 {
 	unsigned long root = of_get_flat_dt_root();
 
-	return of_flat_dt_is_compatible(root, "pika,warp");
+	if (!of_flat_dt_is_compatible(root, "pika,warp"))
+		return 0;
+
+	/* For __dma_alloc_coherent */
+	ISA_DMA_THRESHOLD = ~0L;
+
+	return 1;
 }
 
 define_machine(warp) {
diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c
index 1bcff94eb924..84544d072043 100644
--- a/arch/powerpc/platforms/512x/clock.c
+++ b/arch/powerpc/platforms/512x/clock.c
@@ -24,7 +24,7 @@
 #include <linux/io.h>
 
 #include <linux/of_platform.h>
-#include <asm/mpc512x.h>
+#include <asm/mpc5xxx.h>
 #include <asm/clk_interface.h>
 
 #undef CLK_DEBUG
@@ -83,13 +83,13 @@ static void dump_clocks(void)
 	mutex_lock(&clocks_mutex);
 	printk(KERN_INFO "CLOCKS:\n");
 	list_for_each_entry(p, &clocks, node) {
-		printk(KERN_INFO "  %s %ld", p->name, p->rate);
+		pr_info("  %s=%ld", p->name, p->rate);
 		if (p->parent)
-			printk(KERN_INFO " %s %ld", p->parent->name,
+			pr_cont(" %s=%ld", p->parent->name,
 			       p->parent->rate);
 		if (p->flags & CLK_HAS_CTRL)
-			printk(KERN_INFO " reg/bit %d/%d", p->reg, p->bit);
-		printk("\n");
+			pr_cont(" reg/bit=%d/%d", p->reg, p->bit);
+		pr_cont("\n");
 	}
 	mutex_unlock(&clocks_mutex);
 }
diff --git a/arch/powerpc/platforms/512x/mpc512x.h b/arch/powerpc/platforms/512x/mpc512x.h
index 9c03693cb009..22a5352407e0 100644
--- a/arch/powerpc/platforms/512x/mpc512x.h
+++ b/arch/powerpc/platforms/512x/mpc512x.h
@@ -11,7 +11,6 @@
 
 #ifndef __MPC512X_H__
 #define __MPC512X_H__
-extern unsigned long mpc512x_find_ips_freq(struct device_node *node);
 extern void __init mpc512x_init_IRQ(void);
 void __init mpc512x_declare_of_platform_devices(void);
 #endif				/* __MPC512X_H__ */
diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c
index d8cd579f3191..434d683df5a0 100644
--- a/arch/powerpc/platforms/512x/mpc512x_shared.c
+++ b/arch/powerpc/platforms/512x/mpc512x_shared.c
@@ -24,29 +24,6 @@
 
 #include "mpc512x.h"
 
-unsigned long
-mpc512x_find_ips_freq(struct device_node *node)
-{
-	struct device_node *np;
-	const unsigned int *p_ips_freq = NULL;
-
-	of_node_get(node);
-	while (node) {
-		p_ips_freq = of_get_property(node, "bus-frequency", NULL);
-		if (p_ips_freq)
-			break;
-
-		np = of_get_parent(node);
-		of_node_put(node);
-		node = np;
-	}
-	if (node)
-		of_node_put(node);
-
-	return p_ips_freq ? *p_ips_freq : 0;
-}
-EXPORT_SYMBOL(mpc512x_find_ips_freq);
-
 void __init mpc512x_init_IRQ(void)
 {
 	struct device_node *np;
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c
index 8e3dd5a0f228..a46bad0c2339 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_common.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c
@@ -47,36 +47,6 @@ static DEFINE_SPINLOCK(mpc52xx_lock);
 static struct mpc52xx_gpt __iomem *mpc52xx_wdt;
 static struct mpc52xx_cdm __iomem *mpc52xx_cdm;
 
-/**
- * 	mpc52xx_find_ipb_freq - Find the IPB bus frequency for a device
- * 	@node:	device node
- *
- * 	Returns IPB bus frequency, or 0 if the bus frequency cannot be found.
- */
-unsigned int
-mpc52xx_find_ipb_freq(struct device_node *node)
-{
-	struct device_node *np;
-	const unsigned int *p_ipb_freq = NULL;
-
-	of_node_get(node);
-	while (node) {
-		p_ipb_freq = of_get_property(node, "bus-frequency", NULL);
-		if (p_ipb_freq)
-			break;
-
-		np = of_get_parent(node);
-		of_node_put(node);
-		node = np;
-	}
-	if (node)
-		of_node_put(node);
-
-	return p_ipb_freq ? *p_ipb_freq : 0;
-}
-EXPORT_SYMBOL(mpc52xx_find_ipb_freq);
-
-
 /*
  * Configure the XLB arbiter settings to match what Linux expects.
  */
@@ -221,7 +191,7 @@ unsigned int mpc52xx_get_xtal_freq(struct device_node *node)
 	if (!mpc52xx_cdm)
 		return 0;
 
-	freq = mpc52xx_find_ipb_freq(node);
+	freq = mpc5xxx_get_bus_frequency(node);
 	if (!freq)
 		return 0;
 
diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig
index 437d29a59d72..083ebee9a16d 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -96,6 +96,13 @@ config ASP834x
 	  This enables support for the Analogue & Micro ASP 83xx
 	  board.
 
+config KMETER1
+	bool "Keymile KMETER1"
+	select DEFAULT_UIMAGE
+	select QUICC_ENGINE
+	help
+	  This enables support for the Keymile KMETER1 board.
+
 
 endif
 
diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile
index 051777c542c7..e139c36572ec 100644
--- a/arch/powerpc/platforms/83xx/Makefile
+++ b/arch/powerpc/platforms/83xx/Makefile
@@ -15,3 +15,4 @@ obj-$(CONFIG_MPC837x_MDS)	+= mpc837x_mds.o
 obj-$(CONFIG_SBC834x)		+= sbc834x.o
 obj-$(CONFIG_MPC837x_RDB)	+= mpc837x_rdb.o
 obj-$(CONFIG_ASP834x)		+= asp834x.o
+obj-$(CONFIG_KMETER1)		+= kmeter1.o
diff --git a/arch/powerpc/platforms/83xx/kmeter1.c b/arch/powerpc/platforms/83xx/kmeter1.c
new file mode 100644
index 000000000000..903acfd851ac
--- /dev/null
+++ b/arch/powerpc/platforms/83xx/kmeter1.c
@@ -0,0 +1,191 @@
+/*
+ * Copyright 2008 DENX Software Engineering GmbH
+ * Author: Heiko Schocher <hs@denx.de>
+ *
+ * Description:
+ * Keymile KMETER1 board specific routines.
+ *
+ * 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.
+ */
+
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/reboot.h>
+#include <linux/pci.h>
+#include <linux/kdev_t.h>
+#include <linux/major.h>
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/seq_file.h>
+#include <linux/root_dev.h>
+#include <linux/initrd.h>
+#include <linux/of_platform.h>
+#include <linux/of_device.h>
+
+#include <asm/system.h>
+#include <asm/atomic.h>
+#include <asm/time.h>
+#include <asm/io.h>
+#include <asm/machdep.h>
+#include <asm/ipic.h>
+#include <asm/irq.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+#include <asm/qe.h>
+#include <asm/qe_ic.h>
+
+#include "mpc83xx.h"
+
+#define SVR_REV(svr)    (((svr) >>  0) & 0xFFFF) /* Revision field */
+/* ************************************************************************
+ *
+ * Setup the architecture
+ *
+ */
+static void __init kmeter1_setup_arch(void)
+{
+	struct device_node *np;
+
+	if (ppc_md.progress)
+		ppc_md.progress("kmeter1_setup_arch()", 0);
+
+#ifdef CONFIG_PCI
+	for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
+		mpc83xx_add_bridge(np);
+#endif
+
+#ifdef CONFIG_QUICC_ENGINE
+	qe_reset();
+
+	np = of_find_node_by_name(NULL, "par_io");
+	if (np != NULL) {
+		par_io_init(np);
+		of_node_put(np);
+
+		for (np = NULL; (np = of_find_node_by_name(np, "ucc")) != NULL;)
+			par_io_of_config(np);
+	}
+
+	np = of_find_compatible_node(NULL, "network", "ucc_geth");
+	if (np != NULL) {
+		uint svid;
+
+		/* handle mpc8360ea rev.2.1 erratum 2: RGMII Timing */
+		svid = mfspr(SPRN_SVR);
+		if (SVR_REV(svid) == 0x0021) {
+			struct	device_node *np_par;
+			struct	resource res;
+			void	__iomem *base;
+			int	ret;
+
+			np_par = of_find_node_by_name(NULL, "par_io");
+			if (np_par == NULL) {
+				printk(KERN_WARNING "%s couldn;t find par_io node\n",
+					__func__);
+				return;
+			}
+			/* Map Parallel I/O ports registers */
+			ret = of_address_to_resource(np_par, 0, &res);
+			if (ret) {
+				printk(KERN_WARNING "%s couldn;t map par_io registers\n",
+					__func__);
+				return;
+			}
+			base = ioremap(res.start, res.end - res.start + 1);
+
+			/*
+			 * IMMR + 0x14A8[4:5] = 11 (clk delay for UCC 2)
+			 * IMMR + 0x14A8[18:19] = 11 (clk delay for UCC 1)
+			 */
+			setbits32((base + 0xa8), 0x0c003000);
+
+			/*
+			 * IMMR + 0x14AC[20:27] = 10101010
+			 * (data delay for both UCC's)
+			 */
+			clrsetbits_be32((base + 0xac), 0xff0, 0xaa0);
+			iounmap(base);
+			of_node_put(np_par);
+		}
+		of_node_put(np);
+	}
+#endif				/* CONFIG_QUICC_ENGINE */
+}
+
+static struct of_device_id kmeter_ids[] = {
+	{ .type = "soc", },
+	{ .compatible = "soc", },
+	{ .compatible = "simple-bus", },
+	{ .type = "qe", },
+	{ .compatible = "fsl,qe", },
+	{},
+};
+
+static int __init kmeter_declare_of_platform_devices(void)
+{
+	/* Publish the QE devices */
+	of_platform_bus_probe(NULL, kmeter_ids, NULL);
+
+	return 0;
+}
+machine_device_initcall(kmeter1, kmeter_declare_of_platform_devices);
+
+static void __init kmeter1_init_IRQ(void)
+{
+	struct device_node *np;
+
+	np = of_find_compatible_node(NULL, NULL, "fsl,pq2pro-pic");
+	if (!np) {
+		np = of_find_node_by_type(NULL, "ipic");
+		if (!np)
+			return;
+	}
+
+	ipic_init(np, 0);
+
+	/* Initialize the default interrupt mapping priorities,
+	 * in case the boot rom changed something on us.
+	 */
+	ipic_set_default_priority();
+	of_node_put(np);
+
+#ifdef CONFIG_QUICC_ENGINE
+	np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
+	if (!np) {
+		np = of_find_node_by_type(NULL, "qeic");
+		if (!np)
+			return;
+	}
+	qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
+	of_node_put(np);
+#endif				/* CONFIG_QUICC_ENGINE */
+}
+
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened
+ */
+static int __init kmeter1_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	return of_flat_dt_is_compatible(root, "keymile,KMETER1");
+}
+
+define_machine(kmeter1) {
+	.name		= "KMETER1",
+	.probe		= kmeter1_probe,
+	.setup_arch	= kmeter1_setup_arch,
+	.init_IRQ	= kmeter1_init_IRQ,
+	.get_irq	= ipic_get_irq,
+	.restart	= mpc83xx_restart,
+	.time_init	= mpc83xx_time_init,
+	.calibrate_decr	= generic_calibrate_decr,
+	.progress	= udbg_progress,
+};
diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h
index 83cfe51526ec..d1dc5b0b4fbf 100644
--- a/arch/powerpc/platforms/83xx/mpc83xx.h
+++ b/arch/powerpc/platforms/83xx/mpc83xx.h
@@ -22,8 +22,8 @@
 /* system i/o configuration register low */
 #define MPC83XX_SICRL_OFFS         0x114
 #define MPC834X_SICRL_USB_MASK     0x60000000
-#define MPC834X_SICRL_USB0         0x40000000
-#define MPC834X_SICRL_USB1         0x20000000
+#define MPC834X_SICRL_USB0         0x20000000
+#define MPC834X_SICRL_USB1         0x40000000
 #define MPC831X_SICRL_USB_MASK     0x00000c00
 #define MPC831X_SICRL_USB_ULPI     0x00000800
 #define MPC8315_SICRL_USB_MASK     0x000000fc
diff --git a/arch/powerpc/platforms/83xx/usb.c b/arch/powerpc/platforms/83xx/usb.c
index 11e1fac17c7f..3ba4bb7d41bb 100644
--- a/arch/powerpc/platforms/83xx/usb.c
+++ b/arch/powerpc/platforms/83xx/usb.c
@@ -47,25 +47,25 @@ int mpc834x_usb_cfg(void)
 		sccr |= MPC83XX_SCCR_USB_DRCM_11;  /* 1:3 */
 
 		prop = of_get_property(np, "phy_type", NULL);
+		port1_is_dr = 1;
 		if (prop && (!strcmp(prop, "utmi") ||
 					!strcmp(prop, "utmi_wide"))) {
 			sicrl |= MPC834X_SICRL_USB0 | MPC834X_SICRL_USB1;
 			sicrh |= MPC834X_SICRH_USB_UTMI;
-			port1_is_dr = 1;
+			port0_is_dr = 1;
 		} else if (prop && !strcmp(prop, "serial")) {
 			dr_mode = of_get_property(np, "dr_mode", NULL);
 			if (dr_mode && !strcmp(dr_mode, "otg")) {
 				sicrl |= MPC834X_SICRL_USB0 | MPC834X_SICRL_USB1;
-				port1_is_dr = 1;
+				port0_is_dr = 1;
 			} else {
-				sicrl |= MPC834X_SICRL_USB0;
+				sicrl |= MPC834X_SICRL_USB1;
 			}
 		} else if (prop && !strcmp(prop, "ulpi")) {
-			sicrl |= MPC834X_SICRL_USB0;
+			sicrl |= MPC834X_SICRL_USB1;
 		} else {
 			printk(KERN_WARNING "834x USB PHY type not supported\n");
 		}
-		port0_is_dr = 1;
 		of_node_put(np);
 	}
 	np = of_find_compatible_node(NULL, NULL, "fsl-usb2-mph");
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 43d385cedcd7..a9b416688975 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -35,12 +35,14 @@ config MPC85xx_MDS
 	select DEFAULT_UIMAGE
 	select PHYLIB
 	select HAS_RAPIDIO
+	select SWIOTLB
 	help
 	  This option enables support for the MPC85xx MDS board
 
 config MPC8536_DS
 	bool "Freescale MPC8536 DS"
 	select DEFAULT_UIMAGE
+	select SWIOTLB
 	help
 	  This option enables support for the MPC8536 DS board
 
@@ -49,6 +51,7 @@ config MPC85xx_DS
 	select PPC_I8259
 	select DEFAULT_UIMAGE
 	select FSL_ULI1575
+	select SWIOTLB
 	help
 	  This option enables support for the MPC85xx DS (MPC8544 DS) board
 
@@ -64,6 +67,16 @@ config KSI8560
         help
           This option enables support for the Emerson KSI8560 board
 
+config XES_MPC85xx
+	bool "X-ES single-board computer"
+	select DEFAULT_UIMAGE
+	help
+	  This option enables support for the various single-board
+	  computers from Extreme Engineering Solutions (X-ES) based on
+	  Freescale MPC85xx processors.
+	  Manufacturer: Extreme Engineering Solutions, Inc.
+	  URL: <http://www.xes-inc.com/>
+
 config STX_GP3
 	bool "Silicon Turnkey Express GP3"
 	help
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index a857b35b9828..835733f2b12c 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -15,3 +15,4 @@ obj-$(CONFIG_SBC8560)     += sbc8560.o
 obj-$(CONFIG_SBC8548)     += sbc8548.o
 obj-$(CONFIG_SOCRATES)    += socrates.o socrates_fpga_pic.o
 obj-$(CONFIG_KSI8560)	  += ksi8560.o
+obj-$(CONFIG_XES_MPC85xx) += xes_mpc85xx.o
\ No newline at end of file
diff --git a/arch/powerpc/platforms/85xx/mpc8536_ds.c b/arch/powerpc/platforms/85xx/mpc8536_ds.c
index 63efca20d7bd..055ff417bae9 100644
--- a/arch/powerpc/platforms/85xx/mpc8536_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc8536_ds.c
@@ -17,6 +17,7 @@
 #include <linux/seq_file.h>
 #include <linux/interrupt.h>
 #include <linux/of_platform.h>
+#include <linux/lmb.h>
 
 #include <asm/system.h>
 #include <asm/time.h>
@@ -26,6 +27,7 @@
 #include <asm/prom.h>
 #include <asm/udbg.h>
 #include <asm/mpic.h>
+#include <asm/swiotlb.h>
 
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
@@ -65,7 +67,9 @@ static void __init mpc8536_ds_setup_arch(void)
 {
 #ifdef CONFIG_PCI
 	struct device_node *np;
+	struct pci_controller *hose;
 #endif
+	dma_addr_t max = 0xffffffff;
 
 	if (ppc_md.progress)
 		ppc_md.progress("mpc8536_ds_setup_arch()", 0);
@@ -80,11 +84,22 @@ static void __init mpc8536_ds_setup_arch(void)
 				fsl_add_bridge(np, 1);
 			else
 				fsl_add_bridge(np, 0);
+
+			hose = pci_find_hose_for_OF_device(np);
+			max = min(max, hose->dma_window_base_cur +
+					hose->dma_window_size);
 		}
 	}
 
 #endif
 
+#ifdef CONFIG_SWIOTLB
+	if (lmb_end_of_DRAM() > max) {
+		ppc_swiotlb_enable = 1;
+		set_pci_dma_ops(&swiotlb_pci_dma_ops);
+	}
+#endif
+
 	printk("MPC8536 DS board from Freescale Semiconductor\n");
 }
 
@@ -102,6 +117,8 @@ static int __init mpc8536_ds_publish_devices(void)
 }
 machine_device_initcall(mpc8536_ds, mpc8536_ds_publish_devices);
 
+machine_arch_initcall(mpc8536_ds, swiotlb_setup_bus_notifier);
+
 /*
  * Called very early, device-tree isn't unflattened
  */
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index 53d5851a6c97..849c0ac0025f 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -20,6 +20,7 @@
 #include <linux/seq_file.h>
 #include <linux/interrupt.h>
 #include <linux/of_platform.h>
+#include <linux/lmb.h>
 
 #include <asm/system.h>
 #include <asm/time.h>
@@ -30,6 +31,7 @@
 #include <asm/udbg.h>
 #include <asm/mpic.h>
 #include <asm/i8259.h>
+#include <asm/swiotlb.h>
 
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
@@ -155,7 +157,9 @@ static void __init mpc85xx_ds_setup_arch(void)
 {
 #ifdef CONFIG_PCI
 	struct device_node *np;
+	struct pci_controller *hose;
 #endif
+	dma_addr_t max = 0xffffffff;
 
 	if (ppc_md.progress)
 		ppc_md.progress("mpc85xx_ds_setup_arch()", 0);
@@ -171,6 +175,10 @@ static void __init mpc85xx_ds_setup_arch(void)
 				fsl_add_bridge(np, 1);
 			else
 				fsl_add_bridge(np, 0);
+
+			hose = pci_find_hose_for_OF_device(np);
+			max = min(max, hose->dma_window_base_cur +
+					hose->dma_window_size);
 		}
 	}
 
@@ -181,6 +189,13 @@ static void __init mpc85xx_ds_setup_arch(void)
 	mpc85xx_smp_init();
 #endif
 
+#ifdef CONFIG_SWIOTLB
+	if (lmb_end_of_DRAM() > max) {
+		ppc_swiotlb_enable = 1;
+		set_pci_dma_ops(&swiotlb_pci_dma_ops);
+	}
+#endif
+
 	printk("MPC85xx DS board from Freescale Semiconductor\n");
 }
 
@@ -217,6 +232,10 @@ machine_device_initcall(mpc8544_ds, mpc85xxds_publish_devices);
 machine_device_initcall(mpc8572_ds, mpc85xxds_publish_devices);
 machine_device_initcall(p2020_ds, mpc85xxds_publish_devices);
 
+machine_arch_initcall(mpc8544_ds, swiotlb_setup_bus_notifier);
+machine_arch_initcall(mpc8572_ds, swiotlb_setup_bus_notifier);
+machine_arch_initcall(p2020_ds, swiotlb_setup_bus_notifier);
+
 /*
  * Called very early, device-tree isn't unflattened
  */
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index b2c0a4319973..77f90b356356 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -33,6 +33,7 @@
 #include <linux/of_platform.h>
 #include <linux/of_device.h>
 #include <linux/phy.h>
+#include <linux/lmb.h>
 
 #include <asm/system.h>
 #include <asm/atomic.h>
@@ -49,6 +50,7 @@
 #include <asm/qe.h>
 #include <asm/qe_ic.h>
 #include <asm/mpic.h>
+#include <asm/swiotlb.h>
 
 #undef DEBUG
 #ifdef DEBUG
@@ -155,6 +157,10 @@ static void __init mpc85xx_mds_setup_arch(void)
 {
 	struct device_node *np;
 	static u8 __iomem *bcsr_regs = NULL;
+#ifdef CONFIG_PCI
+	struct pci_controller *hose;
+#endif
+	dma_addr_t max = 0xffffffff;
 
 	if (ppc_md.progress)
 		ppc_md.progress("mpc85xx_mds_setup_arch()", 0);
@@ -179,6 +185,10 @@ static void __init mpc85xx_mds_setup_arch(void)
 				fsl_add_bridge(np, 1);
 			else
 				fsl_add_bridge(np, 0);
+
+			hose = pci_find_hose_for_OF_device(np);
+			max = min(max, hose->dma_window_base_cur +
+					hose->dma_window_size);
 		}
 	}
 #endif
@@ -227,6 +237,13 @@ static void __init mpc85xx_mds_setup_arch(void)
 		iounmap(bcsr_regs);
 	}
 #endif	/* CONFIG_QUICC_ENGINE */
+
+#ifdef CONFIG_SWIOTLB
+	if (lmb_end_of_DRAM() > max) {
+		ppc_swiotlb_enable = 1;
+		set_pci_dma_ops(&swiotlb_pci_dma_ops);
+	}
+#endif
 }
 
 
@@ -281,6 +298,9 @@ static int __init mpc85xx_publish_devices(void)
 machine_device_initcall(mpc8568_mds, mpc85xx_publish_devices);
 machine_device_initcall(mpc8569_mds, mpc85xx_publish_devices);
 
+machine_arch_initcall(mpc8568_mds, swiotlb_setup_bus_notifier);
+machine_arch_initcall(mpc8569_mds, swiotlb_setup_bus_notifier);
+
 static void __init mpc85xx_mds_pic_init(void)
 {
 	struct mpic *mpic;
diff --git a/arch/powerpc/platforms/85xx/xes_mpc85xx.c b/arch/powerpc/platforms/85xx/xes_mpc85xx.c
new file mode 100644
index 000000000000..ee01532786e4
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/xes_mpc85xx.c
@@ -0,0 +1,282 @@
+/*
+ * Copyright (C) 2009 Extreme Engineering Solutions, Inc.
+ *
+ * X-ES board-specific functionality
+ *
+ * Based on mpc85xx_ds code from Freescale Semiconductor, Inc.
+ *
+ * Author: Nate Case <ncase@xes-inc.com>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/kdev_t.h>
+#include <linux/delay.h>
+#include <linux/seq_file.h>
+#include <linux/interrupt.h>
+#include <linux/of_platform.h>
+
+#include <asm/system.h>
+#include <asm/time.h>
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <mm/mmu_decl.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <asm/mpic.h>
+
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+#include <linux/of_platform.h>
+
+/* A few bit definitions needed for fixups on some boards */
+#define MPC85xx_L2CTL_L2E		0x80000000 /* L2 enable */
+#define MPC85xx_L2CTL_L2I		0x40000000 /* L2 flash invalidate */
+#define MPC85xx_L2CTL_L2SIZ_MASK	0x30000000 /* L2 SRAM size (R/O) */
+
+void __init xes_mpc85xx_pic_init(void)
+{
+	struct mpic *mpic;
+	struct resource r;
+	struct device_node *np;
+
+	np = of_find_node_by_type(NULL, "open-pic");
+	if (np == NULL) {
+		printk(KERN_ERR "Could not find open-pic node\n");
+		return;
+	}
+
+	if (of_address_to_resource(np, 0, &r)) {
+		printk(KERN_ERR "Failed to map mpic register space\n");
+		of_node_put(np);
+		return;
+	}
+
+	mpic = mpic_alloc(np, r.start,
+			  MPIC_PRIMARY | MPIC_WANTS_RESET |
+			  MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS,
+			0, 256, " OpenPIC  ");
+	BUG_ON(mpic == NULL);
+	of_node_put(np);
+
+	mpic_init(mpic);
+}
+
+static void xes_mpc85xx_configure_l2(void __iomem *l2_base)
+{
+	volatile uint32_t ctl, tmp;
+
+	asm volatile("msync; isync");
+	tmp = in_be32(l2_base);
+
+	/*
+	 * xMon may have enabled part of L2 as SRAM, so we need to set it
+	 * up for all cache mode just to be safe.
+	 */
+	printk(KERN_INFO "xes_mpc85xx: Enabling L2 as cache\n");
+
+	ctl = MPC85xx_L2CTL_L2E | MPC85xx_L2CTL_L2I;
+	if (machine_is_compatible("MPC8540") ||
+	    machine_is_compatible("MPC8560"))
+		/*
+		 * Assume L2 SRAM is used fully for cache, so set
+		 * L2BLKSZ (bits 4:5) to match L2SIZ (bits 2:3).
+		 */
+		ctl |= (tmp & MPC85xx_L2CTL_L2SIZ_MASK) >> 2;
+
+	asm volatile("msync; isync");
+	out_be32(l2_base, ctl);
+	asm volatile("msync; isync");
+}
+
+static void xes_mpc85xx_fixups(void)
+{
+	struct device_node *np;
+	int err;
+
+	/*
+	 * Legacy xMon firmware on some X-ES boards does not enable L2
+	 * as cache.  We must ensure that they get enabled here.
+	 */
+	for_each_node_by_name(np, "l2-cache-controller") {
+		struct resource r[2];
+		void __iomem *l2_base;
+
+		/* Only MPC8548, MPC8540, and MPC8560 boards are affected */
+		if (!of_device_is_compatible(np,
+				    "fsl,mpc8548-l2-cache-controller") &&
+		    !of_device_is_compatible(np,
+				    "fsl,mpc8540-l2-cache-controller") &&
+		    !of_device_is_compatible(np,
+				    "fsl,mpc8560-l2-cache-controller"))
+			continue;
+
+		err = of_address_to_resource(np, 0, &r[0]);
+		if (err) {
+			printk(KERN_WARNING "xes_mpc85xx: Could not get "
+			       "resource for device tree node '%s'",
+			       np->full_name);
+			continue;
+		}
+
+		l2_base = ioremap(r[0].start, r[0].end - r[0].start + 1);
+
+		xes_mpc85xx_configure_l2(l2_base);
+	}
+}
+
+#ifdef CONFIG_PCI
+static int primary_phb_addr;
+#endif
+
+/*
+ * Setup the architecture
+ */
+#ifdef CONFIG_SMP
+extern void __init mpc85xx_smp_init(void);
+#endif
+static void __init xes_mpc85xx_setup_arch(void)
+{
+#ifdef CONFIG_PCI
+	struct device_node *np;
+#endif
+	struct device_node *root;
+	const char *model = "Unknown";
+
+	root = of_find_node_by_path("/");
+	if (root == NULL)
+		return;
+
+	model = of_get_property(root, "model", NULL);
+
+	printk(KERN_INFO "X-ES MPC85xx-based single-board computer: %s\n",
+	       model + strlen("xes,"));
+
+	xes_mpc85xx_fixups();
+
+#ifdef CONFIG_PCI
+	for_each_node_by_type(np, "pci") {
+		if (of_device_is_compatible(np, "fsl,mpc8540-pci") ||
+		    of_device_is_compatible(np, "fsl,mpc8548-pcie")) {
+			struct resource rsrc;
+			of_address_to_resource(np, 0, &rsrc);
+			if ((rsrc.start & 0xfffff) == primary_phb_addr)
+				fsl_add_bridge(np, 1);
+			else
+				fsl_add_bridge(np, 0);
+		}
+	}
+#endif
+
+#ifdef CONFIG_SMP
+	mpc85xx_smp_init();
+#endif
+}
+
+static struct of_device_id __initdata xes_mpc85xx_ids[] = {
+	{ .type = "soc", },
+	{ .compatible = "soc", },
+	{ .compatible = "simple-bus", },
+	{ .compatible = "gianfar", },
+	{},
+};
+
+static int __init xes_mpc85xx_publish_devices(void)
+{
+	return of_platform_bus_probe(NULL, xes_mpc85xx_ids, NULL);
+}
+machine_device_initcall(xes_mpc8572, xes_mpc85xx_publish_devices);
+machine_device_initcall(xes_mpc8548, xes_mpc85xx_publish_devices);
+machine_device_initcall(xes_mpc8540, xes_mpc85xx_publish_devices);
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init xes_mpc8572_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	if (of_flat_dt_is_compatible(root, "xes,MPC8572")) {
+#ifdef CONFIG_PCI
+		primary_phb_addr = 0x8000;
+#endif
+		return 1;
+	} else {
+		return 0;
+	}
+}
+
+static int __init xes_mpc8548_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	if (of_flat_dt_is_compatible(root, "xes,MPC8548")) {
+#ifdef CONFIG_PCI
+		primary_phb_addr = 0xb000;
+#endif
+		return 1;
+	} else {
+		return 0;
+	}
+}
+
+static int __init xes_mpc8540_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	if (of_flat_dt_is_compatible(root, "xes,MPC8540")) {
+#ifdef CONFIG_PCI
+		primary_phb_addr = 0xb000;
+#endif
+		return 1;
+	} else {
+		return 0;
+	}
+}
+
+define_machine(xes_mpc8572) {
+	.name			= "X-ES MPC8572",
+	.probe			= xes_mpc8572_probe,
+	.setup_arch		= xes_mpc85xx_setup_arch,
+	.init_IRQ		= xes_mpc85xx_pic_init,
+#ifdef CONFIG_PCI
+	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
+#endif
+	.get_irq		= mpic_get_irq,
+	.restart		= fsl_rstcr_restart,
+	.calibrate_decr		= generic_calibrate_decr,
+	.progress		= udbg_progress,
+};
+
+define_machine(xes_mpc8548) {
+	.name			= "X-ES MPC8548",
+	.probe			= xes_mpc8548_probe,
+	.setup_arch		= xes_mpc85xx_setup_arch,
+	.init_IRQ		= xes_mpc85xx_pic_init,
+#ifdef CONFIG_PCI
+	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
+#endif
+	.get_irq		= mpic_get_irq,
+	.restart		= fsl_rstcr_restart,
+	.calibrate_decr		= generic_calibrate_decr,
+	.progress		= udbg_progress,
+};
+
+define_machine(xes_mpc8540) {
+	.name			= "X-ES MPC8540",
+	.probe			= xes_mpc8540_probe,
+	.setup_arch		= xes_mpc85xx_setup_arch,
+	.init_IRQ		= xes_mpc85xx_pic_init,
+#ifdef CONFIG_PCI
+	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
+#endif
+	.get_irq		= mpic_get_irq,
+	.restart		= fsl_rstcr_restart,
+	.calibrate_decr		= generic_calibrate_decr,
+	.progress		= udbg_progress,
+};
diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig
index fdaf4ddaa955..9c7b64a3402b 100644
--- a/arch/powerpc/platforms/86xx/Kconfig
+++ b/arch/powerpc/platforms/86xx/Kconfig
@@ -15,6 +15,7 @@ config MPC8641_HPCN
 	select DEFAULT_UIMAGE
 	select FSL_ULI1575
 	select HAS_RAPIDIO
+	select SWIOTLB
 	help
 	  This option enables support for the MPC8641 HPCN board.
 
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index 7e9e83c04a8a..66327024a6a6 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -19,6 +19,7 @@
 #include <linux/delay.h>
 #include <linux/seq_file.h>
 #include <linux/of_platform.h>
+#include <linux/lmb.h>
 
 #include <asm/system.h>
 #include <asm/time.h>
@@ -27,6 +28,7 @@
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
+#include <asm/swiotlb.h>
 
 #include <asm/mpic.h>
 
@@ -70,7 +72,9 @@ mpc86xx_hpcn_setup_arch(void)
 {
 #ifdef CONFIG_PCI
 	struct device_node *np;
+	struct pci_controller *hose;
 #endif
+	dma_addr_t max = 0xffffffff;
 
 	if (ppc_md.progress)
 		ppc_md.progress("mpc86xx_hpcn_setup_arch()", 0);
@@ -83,6 +87,9 @@ mpc86xx_hpcn_setup_arch(void)
 			fsl_add_bridge(np, 1);
 		else
 			fsl_add_bridge(np, 0);
+		hose = pci_find_hose_for_OF_device(np);
+		max = min(max, hose->dma_window_base_cur +
+			  hose->dma_window_size);
 	}
 
 	ppc_md.pci_exclude_device = mpc86xx_exclude_device;
@@ -94,6 +101,13 @@ mpc86xx_hpcn_setup_arch(void)
 #ifdef CONFIG_SMP
 	mpc86xx_smp_init();
 #endif
+
+#ifdef CONFIG_SWIOTLB
+	if (lmb_end_of_DRAM() > max) {
+		ppc_swiotlb_enable = 1;
+		set_pci_dma_ops(&swiotlb_pci_dma_ops);
+	}
+#endif
 }
 
 
@@ -158,6 +172,7 @@ static int __init declare_of_platform_devices(void)
 	return 0;
 }
 machine_device_initcall(mpc86xx_hpcn, declare_of_platform_devices);
+machine_arch_initcall(mpc86xx_hpcn, swiotlb_setup_bus_notifier);
 
 define_machine(mpc86xx_hpcn) {
 	.name			= "MPC86xx HPCN",
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index cca6b4fc719a..c4192542b809 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -21,7 +21,7 @@ choice
 
 	  If unsure, select 52xx/6xx/7xx/74xx/82xx/83xx/86xx.
 
-config PPC_BOOK3S
+config PPC_BOOK3S_32
 	bool "512x/52xx/6xx/7xx/74xx/82xx/83xx/86xx"
 	select PPC_FPU
 
@@ -57,11 +57,14 @@ config E200
 
 endchoice
 
-config PPC_BOOK3S
-	default y
+config PPC_BOOK3S_64
+	def_bool y
 	depends on PPC64
 	select PPC_FPU
 
+config PPC_BOOK3S
+	def_bool y
+	depends on PPC_BOOK3S_32 || PPC_BOOK3S_64
 
 config POWER4_ONLY
 	bool "Optimize for POWER4"
diff --git a/arch/powerpc/platforms/Makefile b/arch/powerpc/platforms/Makefile
index f7419198e635..a6812ee00100 100644
--- a/arch/powerpc/platforms/Makefile
+++ b/arch/powerpc/platforms/Makefile
@@ -1,4 +1,6 @@
 
+subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
+
 obj-$(CONFIG_FSL_ULI1575)	+= fsl_uli1575.o
 
 obj-$(CONFIG_PPC_PMAC)		+= powermac/