diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
index 63965c78de8c652be823c23b9de504231c1a6479..08b2f300eb7978fa77f83d769f25f56b2a474663 100644
--- a/arch/arm/mach-s3c2410/Kconfig
+++ b/arch/arm/mach-s3c2410/Kconfig
@@ -41,9 +41,16 @@ config BAST_PC104_IRQ
 	  Say Y	here to enable the PC104 IRQ routing on the
 	  Simtec BAST (EB2410ITX)
 
+config PM_H1940
+	bool
+	depends on PM
+	help
+	  Internal node for H1940 and related PM
+
 config ARCH_H1940
 	bool "IPAQ H1940"
 	select CPU_S3C2410
+	select PM_H1940
 	help
 	  Say Y here if you are using the HP IPAQ H1940
 
@@ -115,6 +122,7 @@ config MACH_VR1000
 config MACH_RX3715
 	bool "HP iPAQ rx3715"
 	select CPU_S3C2440
+	select PM_H1940
 	help
 	  Say Y here if you are using the HP iPAQ rx3715.
 
diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile
index 0cd71dfec4478d151d8a1b3b4abd2f5c7f5acd8c..27663e28cc8881bd49aefd1a59fba40b3b337862 100644
--- a/arch/arm/mach-s3c2410/Makefile
+++ b/arch/arm/mach-s3c2410/Makefile
@@ -31,6 +31,7 @@ obj-$(CONFIG_CPU_S3C2410_DMA)	+= s3c2410-dma.o
 
 obj-$(CONFIG_PM)		+= pm.o sleep.o
 obj-$(CONFIG_PM_SIMTEC)		+= pm-simtec.o
+obj-$(CONFIG_PM_H1940)		+= pm-h1940.o
 
 # S3C2412 support
 obj-$(CONFIG_CPU_S3C2412)	+= s3c2412.o
@@ -77,7 +78,7 @@ obj-$(CONFIG_MACH_AML_M5900)	+= mach-amlm5900.o
 obj-$(CONFIG_MACH_ANUBIS)	+= mach-anubis.o
 obj-$(CONFIG_MACH_OSIRIS)	+= mach-osiris.o
 obj-$(CONFIG_ARCH_BAST)		+= mach-bast.o usb-simtec.o
-obj-$(CONFIG_ARCH_H1940)	+= mach-h1940.o pm-h1940.o
+obj-$(CONFIG_ARCH_H1940)	+= mach-h1940.o
 obj-$(CONFIG_MACH_N30)		+= mach-n30.o
 obj-$(CONFIG_ARCH_SMDK2410)	+= mach-smdk2410.o
 obj-$(CONFIG_MACH_SMDK2413)	+= mach-smdk2413.o
diff --git a/arch/arm/mach-s3c2410/mach-rx3715.c b/arch/arm/mach-s3c2410/mach-rx3715.c
index 23d7c052013ce08aeefd58f45fbc0ee858ae78d1..ecbcdf79d739b9abf1f4f5e248aca5292a412e39 100644
--- a/arch/arm/mach-s3c2410/mach-rx3715.c
+++ b/arch/arm/mach-s3c2410/mach-rx3715.c
@@ -42,6 +42,7 @@
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-lcd.h>
 
+#include <asm/arch/h1940.h>
 #include <asm/arch/nand.h>
 #include <asm/arch/fb.h>
 
@@ -224,7 +225,9 @@ static void __init rx3715_init_irq(void)
 
 static void __init rx3715_init_machine(void)
 {
+	memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
 	s3c2410_pm_init();
+
 	s3c24xx_fb_set_platdata(&rx3715_lcdcfg);
 }
 
diff --git a/arch/arm/mach-s3c2410/s3c2410-pm.c b/arch/arm/mach-s3c2410/s3c2410-pm.c
index 9cd0c104f1cbc05efdcef9d0279fc0b35dbc38da..77c6814c0f0507599c650e72d35bfd3d071b6c58 100644
--- a/arch/arm/mach-s3c2410/s3c2410-pm.c
+++ b/arch/arm/mach-s3c2410/s3c2410-pm.c
@@ -66,6 +66,22 @@ static void s3c2410_pm_prepare(void)
 		__raw_writel(calc, phys_to_virt(H1940_SUSPEND_CHECKSUM));
 	}
 
+	/* the RX3715 uses similar code and the same H1940 and the
+	 * same offsets for resume and checksum pointers */
+
+	if (machine_is_rx3715()) {
+		void *base = phys_to_virt(H1940_SUSPEND_CHECK);
+		unsigned long ptr;
+		unsigned long calc = 0;
+
+		/* generate check for the bootloader to check on resume */
+
+		for (ptr = 0; ptr < 0x40000; ptr += 0x4)
+			calc += __raw_readl(base+ptr);
+
+		__raw_writel(calc, phys_to_virt(H1940_SUSPEND_CHECKSUM));
+	}
+
 	if ( machine_is_aml_m5900() )
 		s3c2410_gpio_setpin(S3C2410_GPF2, 1);
 
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index f2d0d6f789731fffa9d4d9add9fb26a90d1124a0..b7f194af20b490b03c85805ad9731fda33c6745c 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -619,7 +619,9 @@ void __init reserve_node_zero(pg_data_t *pgdat)
 	if (machine_is_p720t())
 		res_size = 0x00014000;
 
-	if (machine_is_h1940()) {
+	/* H1940 and RX3715 need to reserve this for suspend */
+
+	if (machine_is_h1940() || machine_is_rx3715()) {
 		reserve_bootmem_node(pgdat, 0x30003000, 0x1000);
 		reserve_bootmem_node(pgdat, 0x30081000, 0x1000);
 	}