Initial Calxeda ECX-2000 support

index e1f9069..e52e80a 100644
@@ -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) {

index 40e36a5..3da921a 100644
@@ -28,30 +28,19 @@
 
 #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 +49,11 @@ 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();
 }
 

@@ -99,6 +86,9 @@ 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);

@@ -145,7 +135,6 @@ 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();

index 2c1b8c3..7b60fac 100644
@@ -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();
 

index fa9560e..1129957 100644
@@ -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

index de866f2..74aa135 100644
@@ -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;

index 0e91338..e13e8ea 100644
@@ -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

index 82c2723..194a5bb 100644
@@ -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();
 }
 

index 3da921a..3e60e57 100644
@@ -26,6 +26,7 @@
 #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_twd.h>

@@ -70,6 +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, },
 	{}
 };

@@ -126,6 +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 = {

@@ -200,6 +205,7 @@ static void __init highbank_init(void)
 
 static const char *highbank_match[] __initconst = {
 	"calxeda,highbank",
+	"calxeda,ecx-2000",
 	NULL,
 };