Clean up sa1111 initialisation. Provide sa1111 base 'device' in the

device tree.  Move towards using ioremap to map the sa1111 device.

arch/arm/mach-sa1100/adsbitsy.c

@@ -52,26 +52,10 @@ static int __init adsbitsy_init(void)
 	/*
 	 * Probe for SA1111.
 	 */
-	ret = sa1111_probe(0x18000000);
+	ret = sa1111_init(NULL, 0x18000000, IRQ_GPIO0);
 	if (ret < 0)
 		return ret;
 
-	/*
-	 * We found it.  Wake the chip up.
-	 */
-	sa1111_wake();
-
-	/*
-	 * The SDRAM configuration of the SA1110 and the SA1111 must
-	 * match.  This is very important to ensure that SA1111 accesses
-	 * don't corrupt the SDRAM.  Note that this ungates the SA1111's
-	 * MBGNT signal, so we must have called sa1110_mb_disable()
-	 * beforehand.
-	 */
-	sa1111_configure_smc(1,
-			     FExtr(MDCNFG, MDCNFG_SA1110_DRAC0),
-			     FExtr(MDCNFG, MDCNFG_SA1110_TDL0));
-
 	/*
 	 * Enable PWM control for LCD
 	 */
@@ -81,20 +65,6 @@ static int __init adsbitsy_init(void)
 	SKPWM1 = 0x01;				// Backlight
 	SKPEN1 = 1;
 
-	/*
-	 * We only need to turn on DCLK whenever we want to use the
-	 * DMA.  It can otherwise be held firmly in the off position.
-	 */
-	SKPCR |= SKPCR_DCLKEN;
-
-	/*
-	 * Enable the SA1110 memory bus request and grant signals.
-	 */
-	sa1110_mb_enable();
-
-	set_GPIO_IRQ_edge(GPIO_GPIO0, GPIO_RISING_EDGE);
-	sa1111_init_irq(IRQ_GPIO0);
-
 	return 0;
 }
 

arch/arm/mach-sa1100/badge4.c

@@ -34,8 +34,6 @@
 
 static int __init badge4_sa1111_init(void)
 {
-	int ret;
-
 	/*
 	 * Ensure that the memory bus request/grant signals are setup,
 	 * and the grant is held in its inactive state
@@ -45,40 +43,7 @@ static int __init badge4_sa1111_init(void)
 	/*
 	 * Probe for SA1111.
 	 */
-	ret = sa1111_probe(BADGE4_SA1111_BASE);
-	if (ret < 0)
-		return ret;
-
-	/*
-	 * We found it.  Wake the chip up.
-	 */
-	sa1111_wake();
-
-	/*
-	 * The SDRAM configuration of the SA1110 and the SA1111 must
-	 * match.  This is very important to ensure that SA1111 accesses
-	 * don't corrupt the SDRAM.  Note that this ungates the SA1111's
-	 * MBGNT signal, so we must have called sa1110_mb_disable()
-	 * beforehand.
-	 */
-	sa1111_configure_smc(1,
-			     FExtr(MDCNFG, MDCNFG_SA1110_DRAC0),
-			     FExtr(MDCNFG, MDCNFG_SA1110_TDL0));
-
-	/*
-	 * We only need to turn on DCLK whenever we want to use the
-	 * DMA.  It can otherwise be held firmly in the off position.
-	 */
-	SKPCR |= SKPCR_DCLKEN;
-
-	/*
-	 * Enable the SA1110 memory bus request and grant signals.
-	 */
-	sa1110_mb_enable();
-
-	sa1111_init_irq(BADGE4_IRQ_GPIO_SA1111);
-
-	return 0;
+	return sa1111_init(NULL, BADGE4_SA1111_BASE, BADGE4_IRQ_GPIO_SA1111);
 }
 
 static int __init badge4_init(void)

arch/arm/mach-sa1100/graphicsmaster.c

@@ -42,26 +42,10 @@ static int __init graphicsmaster_init(void)
 	/*
 	 * Probe for SA1111.
 	 */
-	ret = sa1111_probe(0x18000000);
+	ret = sa1111_init(NULL, 0x18000000, ADS_EXT_IRQ(0));
 	if (ret < 0)
 		return ret;
 
-	/*
-	 * We found it.  Wake the chip up.
-	 */
-	sa1111_wake();
-
-	/*
-	 * The SDRAM configuration of the SA1110 and the SA1111 must
-	 * match.  This is very important to ensure that SA1111 accesses
-	 * don't corrupt the SDRAM.  Note that this ungates the SA1111's
-	 * MBGNT signal, so we must have called sa1110_mb_disable()
-	 * beforehand.
-	 */
-	sa1111_configure_smc(1,
-			     FExtr(MDCNFG, MDCNFG_SA1110_DRAC0),
-			     FExtr(MDCNFG, MDCNFG_SA1110_TDL0));
-
 	/*
 	 * Enable PWM control for LCD
 	 */
@@ -71,19 +55,6 @@ static int __init graphicsmaster_init(void)
 	SKPWM1 = 0x01;				// Backlight
 	SKPEN1 = 1;
 
-	/*
-	 * We only need to turn on DCLK whenever we want to use the
-	 * DMA.  It can otherwise be held firmly in the off position.
-	 */
-	SKPCR |= SKPCR_DCLKEN;
-
-	/*
-	 * Enable the SA1110 memory bus request and grant signals.
-	 */
-	sa1110_mb_enable();
-
-	sa1111_init_irq(ADS_EXT_IRQ(0));
-
 	return 0;
 }
 

arch/arm/mach-sa1100/neponset.c

@@ -10,6 +10,7 @@
 #include <linux/tty.h>
 #include <linux/ioport.h>
 #include <linux/serial_core.h>
+#include <linux/device.h>
 
 #include <asm/hardware.h>
 #include <asm/irq.h>
@@ -21,6 +22,10 @@
 
 #include "sa1111.h"
 
+static struct device neponset_device = {
+	name:	"Neponset",
+	bus_id:	"nep_bus",
+};
 
 /*
  * Install handler for Neponset IRQ.  Note that we have to loop here
@@ -125,6 +130,10 @@ static int __init neponset_init(void)
 		return -ENODEV;
 	}
 
+	ret = device_register(&neponset_device);
+	if (ret)
+		return ret;
+
 	neponset_init_irq();
 
 	/*
@@ -139,45 +148,9 @@ static int __init neponset_init(void)
 	/* FIXME: setup MSC2 */
 
 	/*
-	 * Probe for a SA1111.
-	 */
-	ret = sa1111_probe(0x40000000);
-	if (ret < 0)
-		return ret;
-
-	/*
-	 * We found it.  Wake the chip up.
-	 */
-	sa1111_wake();
-
-	/*
-	 * The SDRAM configuration of the SA1110 and the SA1111 must
-	 * match.  This is very important to ensure that SA1111 accesses
-	 * don't corrupt the SDRAM.  Note that this ungates the SA1111's
-	 * MBGNT signal, so we must have called sa1110_mb_disable()
-	 * beforehand.
+	 * Probe and initialise the SA1111.
 	 */
-	sa1111_configure_smc(1,
-			     FExtr(MDCNFG, MDCNFG_SA1110_DRAC0),
-			     FExtr(MDCNFG, MDCNFG_SA1110_TDL0));
-
-	/*
-	 * We only need to turn on DCLK whenever we want to use the
-	 * DMA.  It can otherwise be held firmly in the off position.
-	 */
-	SKPCR |= SKPCR_DCLKEN;
-
-	/*
-	 * Enable the SA1110 memory bus request and grant signals.
-	 */
-	sa1110_mb_enable();
-
-	/*
-	 * Initialise SA1111 IRQs
-	 */
-	sa1111_init_irq(IRQ_NEPONSET_SA1111);
-
-	return 0;
+	return sa1111_init(&neponset_device, 0x40000000, IRQ_NEPONSET_SA1111);
 }
 
 __initcall(neponset_init);

arch/arm/mach-sa1100/pfs168.c

@@ -35,40 +35,7 @@ static int __init pfs168_init(void)
 	/*
 	 * Probe for SA1111.
 	 */
-	ret = sa1111_probe(0x40000000);
-	if (ret < 0)
-		return ret;
-
-	/*
-	 * We found it.  Wake the chip up.
-	 */
-	sa1111_wake();
-
-	/*
-	 * The SDRAM configuration of the SA1110 and the SA1111 must
-	 * match.  This is very important to ensure that SA1111 accesses
-	 * don't corrupt the SDRAM.  Note that this ungates the SA1111's
-	 * MBGNT signal, so we must have called sa1110_mb_disable()
-	 * beforehand.
-	 */
-	sa1111_configure_smc(1,
-			     FExtr(MDCNFG, MDCNFG_SA1110_DRAC0),
-			     FExtr(MDCNFG, MDCNFG_SA1110_TDL0));
-
-	/*
-	 * We only need to turn on DCLK whenever we want to use the
-	 * DMA.  It can otherwise be held firmly in the off position.
-	 */
-	SKPCR |= SKPCR_DCLKEN;
-
-	/*
-	 * Enable the SA1110 memory bus request and grant signals.
-	 */
-	sa1110_mb_enable();
-
-	sa1111_init_irq(IRQ_GPIO25);	/* SA1111 IRQ on GPIO 25 */
-
-	return 0;
+	return sa1111_init(NULL, 0x40000000, IRQ_GPIO25);
 }
 
 __initcall(pfs168_init);

arch/arm/mach-sa1100/sa1111.c

@@ -23,8 +23,11 @@
 #include <linux/ptrace.h>
 #include <linux/errno.h>
 #include <linux/ioport.h>
+#include <linux/device.h>
+#include <linux/slab.h>
 
 #include <asm/hardware.h>
+#include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/mach/irq.h>
 
@@ -32,11 +35,9 @@
 
 #include "sa1111.h"
 
-struct resource sa1111_resource = {
-	name:	"SA1111",
-};
+struct sa1111_device *sa1111;
 
-EXPORT_SYMBOL(sa1111_resource);
+EXPORT_SYMBOL(sa1111);
 
 /*
  * SA1111 interrupt support.  Since clearing an IRQ while there are
@@ -65,6 +66,9 @@ sa1111_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
 	for (i = IRQ_SA1111_START + 32; stat1; i++, stat1 >>= 1)
 		if (stat1 & 1)
 			do_edge_IRQ(i, irq_desc + i, regs);
+
+	/* For level-based interrupts */
+	desc->chip->unmask(irq);
 }
 
 #define SA1111_IRQMASK_LO(x)	(1 << (x - IRQ_SA1111_START))
@@ -198,7 +202,7 @@ static struct irqchip sa1111_high_chip = {
 	type:		sa1111_type_highirq,
 };
 
-void __init sa1111_init_irq(int irq_nr)
+static void __init sa1111_init_irq(int irq_nr)
 {
 	unsigned int irq;
 
@@ -239,6 +243,21 @@ void __init sa1111_init_irq(int irq_nr)
 	set_irq_chained_handler(irq_nr, sa1111_irq_handler);
 }
 
+static int sa1111_suspend(struct device *dev, u32 state, u32 level)
+{
+	return 0;
+}
+
+static int sa1111_resume(struct device *dev, u32 level)
+{
+	return 0;
+}
+
+static struct device_driver sa1111_device_driver = {
+	suspend:	sa1111_suspend,
+	resume:		sa1111_resume,
+};
+
 /**
  *	sa1111_probe - probe for a single SA1111 chip.
  *	@phys_addr: physical address of device.
@@ -251,38 +270,71 @@ void __init sa1111_init_irq(int irq_nr)
  *	%-EBUSY		physical address already marked in-use.
  *	%0		successful.
  */
-int __init sa1111_probe(unsigned long phys_addr)
+static int __init
+sa1111_probe(struct device *parent, unsigned long phys_addr)
 {
+	struct sa1111_device *sa;
 	unsigned long id;
 	int ret = -ENODEV;
 
-	sa1111_resource.start = phys_addr;
-	sa1111_resource.end = phys_addr + 0x2000;
+	sa = kmalloc(sizeof(struct sa1111_device), GFP_KERNEL);
+	if (!sa)
+		return -ENOMEM;
+
+	memset(sa, 0, sizeof(struct sa1111_device));
+
+	sa->resource.name  = "SA1111";
+	sa->resource.start = phys_addr;
+	sa->resource.end   = phys_addr + 0x2000;
 
-	if (request_resource(&iomem_resource, &sa1111_resource)) {
+	if (request_resource(&iomem_resource, &sa->resource)) {
 		ret = -EBUSY;
 		goto out;
 	}
 
+	/* eventually ioremap... */
+	sa->base = (void *)0xf4000000;
+	if (!sa->base) {
+		ret = -ENOMEM;
+		goto release;
+	}
+
 	/*
 	 * Probe for the chip.  Only touch the SBI registers.
 	 */
-	id = SBI_SKID;
+	id = readl(sa->base + SA1111_SKID);
 	if ((id & SKID_ID_MASK) != SKID_SA1111_ID) {
 		printk(KERN_DEBUG "SA1111 not detected: ID = %08lx\n", id);
 		ret = -ENODEV;
-		goto release;
+		goto unmap;
 	}
 
+	/*
+	 * We found the chip.
+	 */
+	strcpy(sa->dev.name, "SA1111");
+	sprintf(sa->dev.bus_id, "%8.8lx", phys_addr);
+	sa->dev.parent = parent;
+	sa->dev.driver = &sa1111_device_driver;
+
+	ret = device_register(&sa->dev);
+	if (ret)
+		printk("sa1111 device_register failed: %d\n", ret);
+
 	printk(KERN_INFO "SA1111 Microprocessor Companion Chip: "
 		"silicon revision %lx, metal revision %lx\n",
 		(id & SKID_SIREV_MASK)>>4, (id & SKID_MTREV_MASK));
 
+	sa1111 = sa;
+
 	return 0;
 
+ unmap:
+//	iounmap(sa->base);
  release:
-	release_resource(&sa1111_resource);
+	release_resource(&sa->resource);
  out:
+	kfree(sa);
 	return ret;
 }
 
@@ -302,7 +354,8 @@ int __init sa1111_probe(unsigned long phys_addr)
  */
 void sa1111_wake(void)
 {
-	unsigned long flags;
+	struct sa1111_device *sa = sa1111;
+	unsigned long flags, r;
 
 	local_irq_save(flags);
 
@@ -317,8 +370,11 @@ void sa1111_wake(void)
 	/*
 	 * Turn VCO on, and disable PLL Bypass.
 	 */
-	SBI_SKCR &= ~SKCR_VCO_OFF;
-	SBI_SKCR |= SKCR_PLL_BYPASS | SKCR_OE_EN;
+	r = readl(sa->base + SA1111_SKCR);
+	r &= ~SKCR_VCO_OFF;
+	writel(r, sa->base + SA1111_SKCR);
+	r |= SKCR_PLL_BYPASS | SKCR_OE_EN;
+	writel(r, sa->base + SA1111_SKCR);
 
 	/*
 	 * Wait lock time.  SA1111 manual _doesn't_
@@ -329,7 +385,8 @@ void sa1111_wake(void)
 	/*
 	 * Enable RCLK.  We also ensure that RDYEN is set.
 	 */
-	SBI_SKCR |= SKCR_RCLKEN | SKCR_RDYEN;
+	r |= SKCR_RCLKEN | SKCR_RDYEN;
+	writel(r, sa->base + SA1111_SKCR);
 
 	/*
 	 * Wait 14 RCLK cycles for the chip to finish coming out
@@ -340,18 +397,26 @@ void sa1111_wake(void)
 	/*
 	 * Ensure all clocks are initially off.
 	 */
-	SKPCR = 0;
+	writel(0, sa->base + SA1111_SKPCR);
 
 	local_irq_restore(flags);
 }
 
 void sa1111_doze(void)
 {
-	if (SKPCR & SKPCR_UCLKEN) {
+	struct sa1111_device *sa = sa1111;
+	unsigned long flags;
+
+	local_irq_save(flags);
+
+	if (readl(sa->base + SA1111_SKPCR) & SKPCR_UCLKEN) {
+		local_irq_restore(flags);
 		printk("SA1111 doze mode refused\n");
 		return;
 	}
-	SBI_SKCR &= ~SKCR_RCLKEN;
+
+	writel(readl(sa->base + SA1111_SKCR) & ~SKCR_RCLKEN, sa->base + SA1111_SKCR);
+	local_irq_restore(flags);
 }
 
 /*
@@ -359,12 +424,13 @@ void sa1111_doze(void)
  */
 void sa1111_configure_smc(int sdram, unsigned int drac, unsigned int cas_latency)
 {
+	struct sa1111_device *sa = sa1111;
 	unsigned int smcr = SMCR_DTIM | SMCR_MBGE | FInsrt(drac, SMCR_DRAC);
 
 	if (cas_latency == 3)
 		smcr |= SMCR_CLAT;
 
-	SBI_SMCR = smcr;
+	writel(smcr, sa->base + SA1111_SMCR);
 }
 
 /* According to the "Intel StrongARM SA-1111 Microprocessor Companion
@@ -432,3 +498,46 @@ int sa1111_check_dma_bug(dma_addr_t addr)
 }
 
 EXPORT_SYMBOL(sa1111_check_dma_bug);
+
+int sa1111_init(struct device *parent, unsigned long phys, unsigned int irq)
+{
+	int ret;
+
+	ret = sa1111_probe(parent, phys);
+	if (ret < 0)
+		return ret;
+
+	/*
+	 * We found it.  Wake the chip up.
+	 */
+	sa1111_wake();
+
+	/*
+	 * The SDRAM configuration of the SA1110 and the SA1111 must
+	 * match.  This is very important to ensure that SA1111 accesses
+	 * don't corrupt the SDRAM.  Note that this ungates the SA1111's
+	 * MBGNT signal, so we must have called sa1110_mb_disable()
+	 * beforehand.
+	 */
+	sa1111_configure_smc(1,
+			     FExtr(MDCNFG, MDCNFG_SA1110_DRAC0),
+			     FExtr(MDCNFG, MDCNFG_SA1110_TDL0));
+
+	/*
+	 * We only need to turn on DCLK whenever we want to use the
+	 * DMA.  It can otherwise be held firmly in the off position.
+	 */
+	SKPCR |= SKPCR_DCLKEN;
+
+	/*
+	 * Enable the SA1110 memory bus request and grant signals.
+	 */
+	sa1110_mb_enable();
+
+	/*
+	 * Initialise SA1111 IRQs
+	 */
+	sa1111_init_irq(irq);
+
+	return 0;
+}

arch/arm/mach-sa1100/sa1111.h

 /*
  * linux/arch/arm/mach-sa1100/sa1111.h
  */
+struct device;
 
 /*
  * Probe for a SA1111 chip.
  */
-extern int sa1111_probe(unsigned long phys);
+extern int
+sa1111_init(struct device *parent, unsigned long phys, unsigned int irq);
 
 /*
  * Wake up a SA1111 chip.
@@ -16,9 +18,3 @@ extern void sa1111_wake(void);
  * Doze the SA1111 chip.
  */
 extern void sa1111_doze(void);
-
-/*
- * Configure the SA1111 shared memory controller.
- */
-extern void sa1111_configure_smc(int sdram, unsigned int drac, unsigned int cas_latency);
-extern void sa1111_init_irq(int irq_nr);

arch/arm/mach-sa1100/system3.c

@@ -426,45 +426,12 @@ static int __init system3_init(void)
 	/*
 	 * Probe for a SA1111.
 	 */
-	ret = sa1111_probe(PT_SA1111_BASE);
+	ret = sa1111_init(NULL, PT_SA1111_BASE, IRQ_SYSTEM3_SA1111);
 	if (ret < 0) {
 		printk( KERN_WARNING"PT Digital Board: no SA1111 found!\n" );
 		goto DONE;
 	}
 
-	/*
-	 * We found it.  Wake the chip up.
-	 */
-	sa1111_wake();
-
-	/*
-	 * The SDRAM configuration of the SA1110 and the SA1111 must
-	 * match.  This is very important to ensure that SA1111 accesses
-	 * don't corrupt the SDRAM.  Note that this ungates the SA1111's
-	 * MBGNT signal, so we must have called sa1110_mb_disable()
-	 * beforehand.
-	 */
-	sa1111_configure_smc(1,
-			     FExtr(MDCNFG, MDCNFG_SA1110_DRAC0),
-			     FExtr(MDCNFG, MDCNFG_SA1110_TDL0));
-
-	/*
-	 * We only need to turn on DCLK whenever we want to use the
-	 * DMA.  It can otherwise be held firmly in the off position.
-	 */
-	SKPCR |= SKPCR_DCLKEN;
-
-	/*
-	 * Enable the SA1110 memory bus request and grant signals.
-	 */
-	sa1110_mb_enable();
-
-	/*
-	 * Initialise SA1111 IRQs
-	 */
-	sa1111_init_irq(IRQ_SYSTEM3_SA1111);
-
-
 #if defined( CONFIG_CPU_FREQ )
 	ret = cpufreq_register_notifier(&system3_clkchg_block);
 	if ( ret != 0 ) {

include/asm-arm/hardware/sa1111.h

@@ -26,9 +26,7 @@
 #define SA1111_v2p( x )         ((x) - SA1111_VBASE + SA1111_BASE)
 
 #ifndef __ASSEMBLY__
-
-extern struct resource sa1111_resource;
-#define _SA1111(x)	((x) + sa1111_resource.start)
+#define _SA1111(x)	((x) + sa1111->resource.start)
 #endif
 
 /*
@@ -51,7 +49,8 @@ extern struct resource sa1111_resource;
  */
 #define __CCREG(x)	__REGP(SA1111_VBASE + (x))
 
-/* System Bus Interface (SBI)
+/*
+ * System Bus Interface (SBI)
  *
  * Registers
  *    SKCR	Control Register
@@ -127,28 +126,37 @@ extern struct resource sa1111_resource;
  *    SKPEN1	PWM1 Enable Register
  *    SKPWM1	PWM1 Clock Register
  */
-
-#define _SKPCR		_SA1111(0x0200)
-#define _SKCDR		_SA1111(0x0204)
-#define _SKAUD		_SA1111(0x0208)
-#define _SKPMC		_SA1111(0x020c)
-#define _SKPTC		_SA1111(0x0210)
-#define _SKPEN0		_SA1111(0x0214)
-#define _SKPWM0		_SA1111(0x0218)
-#define _SKPEN1		_SA1111(0x021c)
-#define _SKPWM1		_SA1111(0x0220)
+#define SA1111_SKPCR	0x0200
+#define SA1111_SKCDR	0x0204
+#define SA1111_SKAUD	0x0208
+#define SA1111_SKPMC	0x020c
+#define SA1111_SKPTC	0x0210
+#define SA1111_SKPEN0	0x0214
+#define SA1111_SKPWN0	0x0218
+#define SA1111_SKPEN1	0x021c
+#define SA1111_SKPWM1	0x0220
+
+#define _SKPCR		_SA1111(SA1111_SKPCR)
+#define _SKCDR		_SA1111(SA1111_SKCDR)
+#define _SKAUD		_SA1111(SA1111_SKAUD)
+#define _SKPMC		_SA1111(SA1111_SKPMC)
+#define _SKPTC		_SA1111(SA1111_SKPTC)
+#define _SKPEN0		_SA1111(SA1111_SKPEN0)
+#define _SKPWM0		_SA1111(SA1111_SKPWM0)
+#define _SKPEN1		_SA1111(SA1111_SKPEN1)
+#define _SKPWM1		_SA1111(SA1111_SKPWM1)
 
 #if LANGUAGE == C
 
-#define SKPCR		__CCREG(0x0200)
-#define SKCDR		__CCREG(0x0204)
-#define SKAUD		__CCREG(0x0208)
-#define SKPMC		__CCREG(0x020c)
-#define SKPTC		__CCREG(0x0210)
-#define SKPEN0		__CCREG(0x0214)
-#define SKPWM0		__CCREG(0x0218)
-#define SKPEN1		__CCREG(0x021c)
-#define SKPWM1		__CCREG(0x0220)
+#define SKPCR		__CCREG(SA1111_SKPCR)
+#define SKCDR		__CCREG(SA1111_SKCDR)
+#define SKAUD		__CCREG(SA1111_SKAUD)
+#define SKPMC		__CCREG(SA1111_SKPMC)
+#define SKPTC		__CCREG(SA1111_SKPTC)
+#define SKPEN0		__CCREG(SA1111_SKPEN0)
+#define SKPWM0		__CCREG(SA1111_SKPWM0)
+#define SKPEN1		__CCREG(SA1111_SKPEN1)
+#define SKPWM1		__CCREG(SA1111_SKPWM1)
 
 #endif  /* LANGUAGE == C */
 
@@ -675,4 +683,12 @@ extern struct resource sa1111_resource;
 #define PCSSR_S0_SLEEP	(1<<0)
 #define PCSSR_S1_SLEEP	(1<<1)
 
+struct sa1111_device {
+	struct device	dev;
+	struct resource	resource;
+	void		*base;
+};
+
+extern struct sa1111_device *sa1111;
+
 #endif  /* _ASM_ARCH_SA1111 */