Merge branches 'devel/debug_ll_init' and 'calxeda/ecx-2000' into next/soc2

Dependencies for highbank debug_ll_init patch

Documentation/devicetree/bindings/arm/calxeda.txt

@@ -1,8 +1,15 @@
-Calxeda Highbank Platforms Device Tree Bindings
+Calxeda Platforms Device Tree Bindings
 -----------------------------------------------
 
-Boards with Calxeda Cortex-A9 based Highbank SOC shall have the following
-properties.
+Boards with Calxeda Cortex-A9 based ECX-1000 (Highbank) SOC shall have the
+following properties.
 
 Required root node properties:
     - compatible = "calxeda,highbank";
+
+
+Boards with Calxeda Cortex-A15 based ECX-2000 SOC shall have the following
+properties.
+
+Required root node properties:
+    - compatible = "calxeda,ecx-2000";

arch/arm/boot/dts/Makefile

@@ -24,7 +24,8 @@ dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \
 	exynos4210-smdkv310.dtb \
 	exynos4210-trats.dtb \
 	exynos5250-smdk5250.dtb
-dtb-$(CONFIG_ARCH_HIGHBANK) += highbank.dtb
+dtb-$(CONFIG_ARCH_HIGHBANK) += highbank.dtb \
+	ecx-2000.dtb
 dtb-$(CONFIG_ARCH_INTEGRATOR) += integratorap.dtb \
 	integratorcp.dtb
 dtb-$(CONFIG_ARCH_LPC32XX) += ea3250.dtb phy3250.dtb

arch/arm/boot/dts/ecx-2000.dts

@@ -0,0 +1,104 @@
+/*
+ * Copyright 2011-2012 Calxeda, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
+ */
+
+/dts-v1/;
+
+/* First 4KB has pen for secondary cores. */
+/memreserve/ 0x00000000 0x0001000;
+
+/ {
+	model = "Calxeda ECX-2000";
+	compatible = "calxeda,ecx-2000";
+	#address-cells = <2>;
+	#size-cells = <2>;
+	clock-ranges;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			compatible = "arm,cortex-a15";
+			reg = <0>;
+			clocks = <&a9pll>;
+			clock-names = "cpu";
+		};
+
+		cpu@1 {
+			compatible = "arm,cortex-a15";
+			reg = <1>;
+			clocks = <&a9pll>;
+			clock-names = "cpu";
+		};
+
+		cpu@2 {
+			compatible = "arm,cortex-a15";
+			reg = <2>;
+			clocks = <&a9pll>;
+			clock-names = "cpu";
+		};
+
+		cpu@3 {
+			compatible = "arm,cortex-a15";
+			reg = <3>;
+			clocks = <&a9pll>;
+			clock-names = "cpu";
+		};
+	};
+
+	memory@0 {
+		name = "memory";
+		device_type = "memory";
+		reg = <0x00000000 0x00000000 0x00000000 0xff800000>;
+	};
+
+	memory@200000000 {
+		name = "memory";
+		device_type = "memory";
+		reg = <0x00000002 0x00000000 0x00000003 0x00000000>;
+	};
+
+	soc {
+		ranges = <0x00000000 0x00000000 0x00000000 0xffffffff>;
+
+		timer {
+			compatible = "arm,cortex-a15-timer", "arm,armv7-timer"; 			interrupts = <1 13 0xf08>,
+				<1 14 0xf08>,
+				<1 11 0xf08>,
+				<1 10 0xf08>;
+		};
+
+		intc: interrupt-controller@fff11000 {
+			compatible = "arm,cortex-a15-gic";
+			#interrupt-cells = <3>;
+			#size-cells = <0>;
+			#address-cells = <1>;
+			interrupt-controller;
+			interrupts = <1 9 0xf04>;
+			reg = <0xfff11000 0x1000>,
+			      <0xfff12000 0x1000>,
+			      <0xfff14000 0x2000>,
+			      <0xfff16000 0x2000>;
+		};
+
+		pmu {
+			compatible = "arm,cortex-a9-pmu";
+			interrupts = <0 76 4  0 75 4  0 74 4  0 73 4>;
+		};
+	};
+};
+
+/include/ "ecx-common.dtsi"

arch/arm/boot/dts/ecx-common.dtsi

@@ -0,0 +1,237 @@
+/*
+ * Copyright 2011-2012 Calxeda, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
+ */
+
+/ {
+	chosen {
+		bootargs = "console=ttyAMA0";
+	};
+
+	soc {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "simple-bus";
+		interrupt-parent = <&intc>;
+
+		sata@ffe08000 {
+			compatible = "calxeda,hb-ahci";
+			reg = <0xffe08000 0x10000>;
+			interrupts = <0 83 4>;
+			dma-coherent;
+			calxeda,port-phys = <&combophy5 0 &combophy0 0
+					     &combophy0 1 &combophy0 2
+					     &combophy0 3>;
+		};
+
+		sdhci@ffe0e000 {
+			compatible = "calxeda,hb-sdhci";
+			reg = <0xffe0e000 0x1000>;
+			interrupts = <0 90 4>;
+			clocks = <&eclk>;
+			status = "disabled";
+		};
+
+		memory-controller@fff00000 {
+			compatible = "calxeda,hb-ddr-ctrl";
+			reg = <0xfff00000 0x1000>;
+			interrupts = <0 91 4>;
+		};
+
+		ipc@fff20000 {
+			compatible = "arm,pl320", "arm,primecell";
+			reg = <0xfff20000 0x1000>;
+			interrupts = <0 7 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+		};
+
+		gpioe: gpio@fff30000 {
+			#gpio-cells = <2>;
+			compatible = "arm,pl061", "arm,primecell";
+			gpio-controller;
+			reg = <0xfff30000 0x1000>;
+			interrupts = <0 14 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+			status = "disabled";
+		};
+
+		gpiof: gpio@fff31000 {
+			#gpio-cells = <2>;
+			compatible = "arm,pl061", "arm,primecell";
+			gpio-controller;
+			reg = <0xfff31000 0x1000>;
+			interrupts = <0 15 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+			status = "disabled";
+		};
+
+		gpiog: gpio@fff32000 {
+			#gpio-cells = <2>;
+			compatible = "arm,pl061", "arm,primecell";
+			gpio-controller;
+			reg = <0xfff32000 0x1000>;
+			interrupts = <0 16 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+			status = "disabled";
+		};
+
+		gpioh: gpio@fff33000 {
+			#gpio-cells = <2>;
+			compatible = "arm,pl061", "arm,primecell";
+			gpio-controller;
+			reg = <0xfff33000 0x1000>;
+			interrupts = <0 17 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+			status = "disabled";
+		};
+
+		timer@fff34000 {
+			compatible = "arm,sp804", "arm,primecell";
+			reg = <0xfff34000 0x1000>;
+			interrupts = <0 18 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+		};
+
+		rtc@fff35000 {
+			compatible = "arm,pl031", "arm,primecell";
+			reg = <0xfff35000 0x1000>;
+			interrupts = <0 19 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+		};
+
+		serial@fff36000 {
+			compatible = "arm,pl011", "arm,primecell";
+			reg = <0xfff36000 0x1000>;
+			interrupts = <0 20 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+		};
+
+		smic@fff3a000 {
+			compatible = "ipmi-smic";
+			device_type = "ipmi";
+			reg = <0xfff3a000 0x1000>;
+			interrupts = <0 24 4>;
+			reg-size = <4>;
+			reg-spacing = <4>;
+		};
+
+		sregs@fff3c000 {
+			compatible = "calxeda,hb-sregs";
+			reg = <0xfff3c000 0x1000>;
+
+			clocks {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				osc: oscillator {
+					#clock-cells = <0>;
+					compatible = "fixed-clock";
+					clock-frequency = <33333000>;
+				};
+
+				ddrpll: ddrpll {
+					#clock-cells = <0>;
+					compatible = "calxeda,hb-pll-clock";
+					clocks = <&osc>;
+					reg = <0x108>;
+				};
+
+				a9pll: a9pll {
+					#clock-cells = <0>;
+					compatible = "calxeda,hb-pll-clock";
+					clocks = <&osc>;
+					reg = <0x100>;
+				};
+
+				a9periphclk: a9periphclk {
+					#clock-cells = <0>;
+					compatible = "calxeda,hb-a9periph-clock";
+					clocks = <&a9pll>;
+					reg = <0x104>;
+				};
+
+				a9bclk: a9bclk {
+					#clock-cells = <0>;
+					compatible = "calxeda,hb-a9bus-clock";
+					clocks = <&a9pll>;
+					reg = <0x104>;
+				};
+
+				emmcpll: emmcpll {
+					#clock-cells = <0>;
+					compatible = "calxeda,hb-pll-clock";
+					clocks = <&osc>;
+					reg = <0x10C>;
+				};
+
+				eclk: eclk {
+					#clock-cells = <0>;
+					compatible = "calxeda,hb-emmc-clock";
+					clocks = <&emmcpll>;
+					reg = <0x114>;
+				};
+
+				pclk: pclk {
+					#clock-cells = <0>;
+					compatible = "fixed-clock";
+					clock-frequency = <150000000>;
+				};
+			};
+		};
+
+		dma@fff3d000 {
+			compatible = "arm,pl330", "arm,primecell";
+			reg = <0xfff3d000 0x1000>;
+			interrupts = <0 92 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+		};
+
+		ethernet@fff50000 {
+			compatible = "calxeda,hb-xgmac";
+			reg = <0xfff50000 0x1000>;
+			interrupts = <0 77 4  0 78 4  0 79 4>;
+			dma-coherent;
+		};
+
+		ethernet@fff51000 {
+			compatible = "calxeda,hb-xgmac";
+			reg = <0xfff51000 0x1000>;
+			interrupts = <0 80 4  0 81 4  0 82 4>;
+			dma-coherent;
+		};
+
+		combophy0: combo-phy@fff58000 {
+			compatible = "calxeda,hb-combophy";
+			#phy-cells = <1>;
+			reg = <0xfff58000 0x1000>;
+			phydev = <5>;
+		};
+
+		combophy5: combo-phy@fff5d000 {
+			compatible = "calxeda,hb-combophy";
+			#phy-cells = <1>;
+			reg = <0xfff5d000 0x1000>;
+			phydev = <31>;
+		};
+	};
+};

arch/arm/boot/dts/highbank.dts

@@ -69,16 +69,8 @@
 		reg = <0x00000000 0xff900000>;
 	};
 
-	chosen {
-		bootargs = "console=ttyAMA0";
-	};
-
 	soc {
-		#address-cells = <1>;
-		#size-cells = <1>;
-		compatible = "simple-bus";
-		interrupt-parent = <&intc>;
-		ranges;
+		ranges = <0x00000000 0x00000000 0xffffffff>;
 
 		timer@fff10600 {
 			compatible = "arm,cortex-a9-twd-timer";
@@ -117,173 +109,6 @@
 			interrupts = <0 76 4  0 75 4  0 74 4  0 73 4>;
 		};
 
-		sata@ffe08000 {
-			compatible = "calxeda,hb-ahci";
-			reg = <0xffe08000 0x10000>;
-			interrupts = <0 83 4>;
-			calxeda,port-phys = <&combophy5 0 &combophy0 0
-					     &combophy0 1 &combophy0 2
-					     &combophy0 3>;
-			dma-coherent;
-		};
-
-		sdhci@ffe0e000 {
-			compatible = "calxeda,hb-sdhci";
-			reg = <0xffe0e000 0x1000>;
-			interrupts = <0 90 4>;
-			clocks = <&eclk>;
-		};
-
-		memory-controller@fff00000 {
-			compatible = "calxeda,hb-ddr-ctrl";
-			reg = <0xfff00000 0x1000>;
-			interrupts = <0 91 4>;
-		};
-
-		ipc@fff20000 {
-			compatible = "arm,pl320", "arm,primecell";
-			reg = <0xfff20000 0x1000>;
-			interrupts = <0 7 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		gpioe: gpio@fff30000 {
-			#gpio-cells = <2>;
-			compatible = "arm,pl061", "arm,primecell";
-			gpio-controller;
-			reg = <0xfff30000 0x1000>;
-			interrupts = <0 14 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		gpiof: gpio@fff31000 {
-			#gpio-cells = <2>;
-			compatible = "arm,pl061", "arm,primecell";
-			gpio-controller;
-			reg = <0xfff31000 0x1000>;
-			interrupts = <0 15 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		gpiog: gpio@fff32000 {
-			#gpio-cells = <2>;
-			compatible = "arm,pl061", "arm,primecell";
-			gpio-controller;
-			reg = <0xfff32000 0x1000>;
-			interrupts = <0 16 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		gpioh: gpio@fff33000 {
-			#gpio-cells = <2>;
-			compatible = "arm,pl061", "arm,primecell";
-			gpio-controller;
-			reg = <0xfff33000 0x1000>;
-			interrupts = <0 17 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		timer {
-			compatible = "arm,sp804", "arm,primecell";
-			reg = <0xfff34000 0x1000>;
-			interrupts = <0 18 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		rtc@fff35000 {
-			compatible = "arm,pl031", "arm,primecell";
-			reg = <0xfff35000 0x1000>;
-			interrupts = <0 19 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		serial@fff36000 {
-			compatible = "arm,pl011", "arm,primecell";
-			reg = <0xfff36000 0x1000>;
-			interrupts = <0 20 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		smic@fff3a000 {
-			compatible = "ipmi-smic";
-			device_type = "ipmi";
-			reg = <0xfff3a000 0x1000>;
-			interrupts = <0 24 4>;
-			reg-size = <4>;
-			reg-spacing = <4>;
-		};
-
-		sregs@fff3c000 {
-			compatible = "calxeda,hb-sregs";
-			reg = <0xfff3c000 0x1000>;
-
-			clocks {
-				#address-cells = <1>;
-				#size-cells = <0>;
-
-				osc: oscillator {
-					#clock-cells = <0>;
-					compatible = "fixed-clock";
-					clock-frequency = <33333000>;
-				};
-
-				ddrpll: ddrpll {
-					#clock-cells = <0>;
-					compatible = "calxeda,hb-pll-clock";
-					clocks = <&osc>;
-					reg = <0x108>;
-				};
-
-				a9pll: a9pll {
-					#clock-cells = <0>;
-					compatible = "calxeda,hb-pll-clock";
-					clocks = <&osc>;
-					reg = <0x100>;
-				};
-
-				a9periphclk: a9periphclk {
-					#clock-cells = <0>;
-					compatible = "calxeda,hb-a9periph-clock";
-					clocks = <&a9pll>;
-					reg = <0x104>;
-				};
-
-				a9bclk: a9bclk {
-					#clock-cells = <0>;
-					compatible = "calxeda,hb-a9bus-clock";
-					clocks = <&a9pll>;
-					reg = <0x104>;
-				};
-
-				emmcpll: emmcpll {
-					#clock-cells = <0>;
-					compatible = "calxeda,hb-pll-clock";
-					clocks = <&osc>;
-					reg = <0x10C>;
-				};
-
-				eclk: eclk {
-					#clock-cells = <0>;
-					compatible = "calxeda,hb-emmc-clock";
-					clocks = <&emmcpll>;
-					reg = <0x114>;
-				};
-
-				pclk: pclk {
-					#clock-cells = <0>;
-					compatible = "fixed-clock";
-					clock-frequency = <150000000>;
-				};
-			};
-		};
 
 		sregs@fff3c200 {
 			compatible = "calxeda,hb-sregs-l2-ecc";
@@ -291,38 +116,7 @@
 			interrupts = <0 71 4  0 72 4>;
 		};
 
-		dma@fff3d000 {
-			compatible = "arm,pl330", "arm,primecell";
-			reg = <0xfff3d000 0x1000>;
-			interrupts = <0 92 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		ethernet@fff50000 {
-			compatible = "calxeda,hb-xgmac";
-			reg = <0xfff50000 0x1000>;
-			interrupts = <0 77 4  0 78 4  0 79 4>;
-		};
-
-		ethernet@fff51000 {
-			compatible = "calxeda,hb-xgmac";
-			reg = <0xfff51000 0x1000>;
-			interrupts = <0 80 4  0 81 4  0 82 4>;
-		};
-
-		combophy0: combo-phy@fff58000 {
-			compatible = "calxeda,hb-combophy";
-			#phy-cells = <1>;
-			reg = <0xfff58000 0x1000>;
-			phydev = <5>;
-		};
-
-		combophy5: combo-phy@fff5d000 {
-			compatible = "calxeda,hb-combophy";
-			#phy-cells = <1>;
-			reg = <0xfff5d000 0x1000>;
-			phydev = <31>;
-		};
 	};
 };
+
+/include/ "ecx-common.dtsi"

arch/arm/include/asm/mach/map.h

@@ -40,6 +40,13 @@ extern void iotable_init(struct map_desc *, int);
 extern void vm_reserve_area_early(unsigned long addr, unsigned long size,
 				  void *caller);
 
+#ifdef CONFIG_DEBUG_LL
+extern void debug_ll_addr(unsigned long *paddr, unsigned long *vaddr);
+extern void debug_ll_io_init(void);
+#else
+static inline void debug_ll_io_init(void) {}
+#endif
+
 struct mem_type;
 extern const struct mem_type *get_mem_type(unsigned int type);
 /*

arch/arm/kernel/debug.S

@@ -100,6 +100,13 @@ ENTRY(printch)
 		b	1b
 ENDPROC(printch)
 
+ENTRY(debug_ll_addr)
+		addruart r2, r3, ip
+		str	r2, [r0]
+		str	r3, [r1]
+		mov	pc, lr
+ENDPROC(debug_ll_addr)
+
 #else
 
 ENTRY(printascii)
@@ -119,4 +126,11 @@ ENTRY(printch)
 		mov	pc, lr
 ENDPROC(printch)
 
+ENTRY(debug_ll_addr)
+		mov	r2, #0
+		str	r2, [r0]
+		str	r2, [r1]
+		mov	pc, lr
+ENDPROC(debug_ll_addr)
+
 #endif

arch/arm/kernel/smp_twd.c

@@ -366,10 +366,8 @@ void __init twd_local_timer_of_register(void)
 	int err;
 
 	np = of_find_matching_node(NULL, twd_of_match);
-	if (!np) {
-		err = -ENODEV;
-		goto out;
-	}
+	if (!np)
+		return -ENODEV;
 
 	twd_ppi = irq_of_parse_and_map(np, 0);
 	if (!twd_ppi) {

arch/arm/mach-highbank/Kconfig

@@ -1,5 +1,5 @@
 config ARCH_HIGHBANK
-	bool "Calxeda ECX-1000 (Highbank)" if ARCH_MULTI_V7
+	bool "Calxeda ECX-1000/2000 (Highbank/Midway)" if ARCH_MULTI_V7
 	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select ARM_AMBA
 	select ARM_GIC

arch/arm/mach-highbank/highbank.c

@@ -26,32 +26,22 @@
 #include <linux/smp.h>
 #include <linux/amba/bus.h>
 
+#include <asm/arch_timer.h>
 #include <asm/cacheflush.h>
 #include <asm/smp_plat.h>
-#include <asm/smp_scu.h>
 #include <asm/smp_twd.h>
 #include <asm/hardware/arm_timer.h>
 #include <asm/hardware/timer-sp.h>
 #include <asm/hardware/gic.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/mach/arch.h>
-#include <asm/mach/map.h>
 #include <asm/mach/time.h>
 
 #include "core.h"
 #include "sysregs.h"
 
 void __iomem *sregs_base;
-
-#define HB_SCU_VIRT_BASE	0xfee00000
-void __iomem *scu_base_addr = ((void __iomem *)(HB_SCU_VIRT_BASE));
-
-static struct map_desc scu_io_desc __initdata = {
-	.virtual	= HB_SCU_VIRT_BASE,
-	.pfn		= 0, /* run-time */
-	.length		= SZ_4K,
-	.type		= MT_DEVICE,
-};
+void __iomem *scu_base_addr;
 
 static void __init highbank_scu_map_io(void)
 {
@@ -60,13 +50,11 @@ static void __init highbank_scu_map_io(void)
 	/* Get SCU base */
 	asm("mrc p15, 4, %0, c15, c0, 0" : "=r" (base));
 
-	scu_io_desc.pfn = __phys_to_pfn(base);
-	iotable_init(&scu_io_desc, 1);
+	scu_base_addr = ioremap(base, SZ_4K);
 }
 
 static void __init highbank_map_io(void)
 {
-	highbank_scu_map_io();
 	highbank_lluart_map_io();
 }
 
@@ -83,6 +71,7 @@ void highbank_set_cpu_jump(int cpu, void *jump_addr)
 }
 
 const static struct of_device_id irq_match[] = {
+	{ .compatible = "arm,cortex-a15-gic", .data = gic_of_init, },
 	{ .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
 	{}
 };
@@ -99,6 +88,9 @@ static void __init highbank_init_irq(void)
 {
 	of_irq_init(irq_match);
 
+	if (of_find_compatible_node(NULL, NULL, "arm,cortex-a9"))
+		highbank_scu_map_io();
+
 #ifdef CONFIG_CACHE_L2X0
 	/* Enable PL310 L2 Cache controller */
 	highbank_smc1(0x102, 0x1);
@@ -136,6 +128,9 @@ static void __init highbank_timer_init(void)
 	sp804_clockevents_init(timer_base, irq, "timer0");
 
 	twd_local_timer_of_register();
+
+	arch_timer_of_register();
+	arch_timer_sched_clock_init();
 }
 
 static struct sys_timer highbank_timer = {
@@ -145,7 +140,6 @@ static struct sys_timer highbank_timer = {
 static void highbank_power_off(void)
 {
 	hignbank_set_pwr_shutdown();
-	scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
 
 	while (1)
 		cpu_do_idle();
@@ -211,6 +205,7 @@ static void __init highbank_init(void)
 
 static const char *highbank_match[] __initconst = {
 	"calxeda,highbank",
+	"calxeda,ecx-2000",
 	NULL,
 };
 

arch/arm/mach-highbank/hotplug.c

@@ -14,13 +14,11 @@
  * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/smp.h>
 
-#include <asm/smp_scu.h>
 #include <asm/cacheflush.h>
 
 #include "core.h"
+#include "sysregs.h"
 
 extern void secondary_startup(void);
 
@@ -33,7 +31,7 @@ void __ref highbank_cpu_die(unsigned int cpu)
 	flush_cache_all();
 
 	highbank_set_cpu_jump(cpu, secondary_startup);
-	scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
+	highbank_set_core_pwr();
 
 	cpu_do_idle();
 

arch/arm/mach-highbank/platsmp.c

@@ -42,9 +42,7 @@ static int __cpuinit highbank_boot_secondary(unsigned int cpu, struct task_struc
  */
 static void __init highbank_smp_init_cpus(void)
 {
-	unsigned int i, ncores;
-
-	ncores = scu_get_core_count(scu_base_addr);
+	unsigned int i, ncores = 4;
 
 	/* sanity check */
 	if (ncores > NR_CPUS) {
@@ -65,7 +63,8 @@ static void __init highbank_smp_prepare_cpus(unsigned int max_cpus)
 {
 	int i;
 
-	scu_enable(scu_base_addr);
+	if (scu_base_addr)
+		scu_enable(scu_base_addr);
 
 	/*
 	 * Write the address of secondary startup into the jump table

arch/arm/mach-highbank/pm.c

@@ -19,7 +19,6 @@
 #include <linux/suspend.h>
 
 #include <asm/proc-fns.h>
-#include <asm/smp_scu.h>
 #include <asm/suspend.h>
 
 #include "core.h"
@@ -35,8 +34,6 @@ static int highbank_pm_enter(suspend_state_t state)
 {
 	hignbank_set_pwr_suspend();
 	highbank_set_cpu_jump(0, cpu_resume);
-
-	scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
 	cpu_suspend(0, highbank_suspend_finish);
 
 	return 0;

arch/arm/mach-highbank/sysregs.h

@@ -17,6 +17,10 @@
 #define _MACH_HIGHBANK__SYSREGS_H_
 
 #include <linux/io.h>
+#include <linux/smp.h>
+#include <asm/smp_plat.h>
+#include <asm/smp_scu.h>
+#include "core.h"
 
 extern void __iomem *sregs_base;
 
@@ -29,24 +33,39 @@ extern void __iomem *sregs_base;
 #define HB_PWR_HARD_RESET		2
 #define HB_PWR_SHUTDOWN			3
 
+#define SREG_CPU_PWR_CTRL(c)		(0x200 + ((c) * 4))
+
+static inline void highbank_set_core_pwr(void)
+{
+	int cpu = cpu_logical_map(smp_processor_id());
+	if (scu_base_addr)
+		scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
+	else
+		writel_relaxed(1, sregs_base + SREG_CPU_PWR_CTRL(cpu));
+}
+
 static inline void hignbank_set_pwr_suspend(void)
 {
 	writel(HB_PWR_SUSPEND, sregs_base + HB_SREG_A9_PWR_REQ);
+	highbank_set_core_pwr();
 }
 
 static inline void hignbank_set_pwr_shutdown(void)
 {
 	writel(HB_PWR_SHUTDOWN, sregs_base + HB_SREG_A9_PWR_REQ);
+	highbank_set_core_pwr();
 }
 
 static inline void hignbank_set_pwr_soft_reset(void)
 {
 	writel(HB_PWR_SOFT_RESET, sregs_base + HB_SREG_A9_PWR_REQ);
+	highbank_set_core_pwr();
 }
 
 static inline void hignbank_set_pwr_hard_reset(void)
 {
 	writel(HB_PWR_HARD_RESET, sregs_base + HB_SREG_A9_PWR_REQ);
+	highbank_set_core_pwr();
 }
 
 #endif

arch/arm/mach-highbank/system.c

@@ -14,7 +14,6 @@
  * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include <linux/io.h>
-#include <asm/smp_scu.h>
 #include <asm/proc-fns.h>
 
 #include "core.h"
@@ -27,7 +26,6 @@ void highbank_restart(char mode, const char *cmd)
 	else
 		hignbank_set_pwr_soft_reset();
 
-	scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
 	cpu_do_idle();
 }
 

arch/arm/mm/mmu.c

@@ -876,6 +876,22 @@ static void __init pci_reserve_io(void)
 #define pci_reserve_io() do { } while (0)
 #endif
 
+#ifdef CONFIG_DEBUG_LL
+void __init debug_ll_io_init(void)
+{
+	struct map_desc map;
+
+	debug_ll_addr(&map.pfn, &map.virtual);
+	if (!map.pfn || !map.virtual)
+		return;
+	map.pfn = __phys_to_pfn(map.pfn);
+	map.virtual &= PAGE_MASK;
+	map.length = PAGE_SIZE;
+	map.type = MT_DEVICE;
+	create_mapping(&map);
+}
+#endif
+
 static void * __initdata vmalloc_min =
 	(void *)(VMALLOC_END - (240 << 20) - VMALLOC_OFFSET);