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Diffstat (limited to 'arch/arm/mach-s3c2410/s3c2410-pm.c')
-rw-r--r--arch/arm/mach-s3c2410/s3c2410-pm.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2410/s3c2410-pm.c b/arch/arm/mach-s3c2410/s3c2410-pm.c
index e51d7666951..9cd0c104f1c 100644
--- a/arch/arm/mach-s3c2410/s3c2410-pm.c
+++ b/arch/arm/mach-s3c2410/s3c2410-pm.c
@@ -32,6 +32,7 @@
#include <asm/mach-types.h>
#include <asm/arch/regs-gpio.h>
+#include <asm/arch/h1940.h>
#include "cpu.h"
#include "pm.h"
@@ -52,6 +53,19 @@ static void s3c2410_pm_prepare(void)
DBG("GSTATUS3 0x%08x\n", __raw_readl(S3C2410_GSTATUS3));
DBG("GSTATUS4 0x%08x\n", __raw_readl(S3C2410_GSTATUS4));
+ if (machine_is_h1940()) {
+ 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 += 0x400)
+ 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);