X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=ArmPlatformPkg%2FDrivers%2FSP805WatchdogDxe%2FSP805Watchdog.c;h=f8faab735de6c2fed4feecb5edeb3ae88aebd80a;hb=3723a71a33d88307d96bca4facdce7d0120d922f;hp=0eb459303f2eb956fc8d8c000a50d5aa20387eab;hpb=33e7c2abf4852c98d13072102277170e198c5220;p=mirror_edk2.git

diff --git a/ArmPlatformPkg/Drivers/SP805WatchdogDxe/SP805Watchdog.c b/ArmPlatformPkg/Drivers/SP805WatchdogDxe/SP805Watchdog.c
index 0eb459303f..f8faab735d 100644
--- a/ArmPlatformPkg/Drivers/SP805WatchdogDxe/SP805Watchdog.c
+++ b/ArmPlatformPkg/Drivers/SP805WatchdogDxe/SP805Watchdog.c
@@ -16,15 +16,15 @@
 #include <PiDxe.h>
 
 #include <Library/BaseLib.h>
-#include <Library/DebugLib.h>
 #include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/IoLib.h>
+#include <Library/PcdLib.h>
 #include <Library/UefiBootServicesTableLib.h>
 #include <Library/UefiRuntimeServicesTableLib.h>
 #include <Library/UefiLib.h>
-#include <Library/IoLib.h>
 
 #include <Protocol/WatchdogTimer.h>
-#include <ArmPlatform.h>
 #include <Drivers/SP805Watchdog.h>
 
 /**
@@ -75,18 +75,18 @@ SP805Identify (
   )
 {
   // Check if this is a PrimeCell Peripheral
-  if(    ( MmioRead8( SP805_WDOG_PCELL_ID0 ) != 0x0D )
-      || ( MmioRead8( SP805_WDOG_PCELL_ID1 ) != 0xF0 )
-      || ( MmioRead8( SP805_WDOG_PCELL_ID2 ) != 0x05 )
-      || ( MmioRead8( SP805_WDOG_PCELL_ID3 ) != 0xB1 ) ) {
+  if (    (MmioRead8 (SP805_WDOG_PCELL_ID0) != 0x0D)
+      ||  (MmioRead8 (SP805_WDOG_PCELL_ID1) != 0xF0)
+      ||  (MmioRead8 (SP805_WDOG_PCELL_ID2) != 0x05)
+      ||  (MmioRead8 (SP805_WDOG_PCELL_ID3) != 0xB1)) {
     return EFI_NOT_FOUND;
   }
 
   // Check if this PrimeCell Peripheral is the SP805 Watchdog Timer
-  if(    ( MmioRead8( SP805_WDOG_PERIPH_ID0 ) != 0x05 )
-      || ( MmioRead8( SP805_WDOG_PERIPH_ID1 ) != 0x18 )
-      || (( MmioRead8( SP805_WDOG_PERIPH_ID2 ) & 0x0000000F) != 0x04 )
-      || ( MmioRead8( SP805_WDOG_PERIPH_ID3 ) != 0x00 ) ) {
+  if (    (MmioRead8 (SP805_WDOG_PERIPH_ID0) != 0x05)
+      ||  (MmioRead8 (SP805_WDOG_PERIPH_ID1) != 0x18)
+      || ((MmioRead8 (SP805_WDOG_PERIPH_ID2) & 0x0000000F) != 0x04)
+      ||  (MmioRead8 (SP805_WDOG_PERIPH_ID3) != 0x00)) {
     return EFI_NOT_FOUND;
   }
 
@@ -282,10 +282,10 @@ SP805SetTimerPeriod (
     //
     // WatchdogTicks = (TimerPeriod * SP805_CLOCK_FREQUENCY) / 20 MHz ;
 
-    Ticks64bit = DivU64x32( MultU64x32( TimerPeriod, SP805_CLOCK_FREQUENCY ), 20000000 );
+    Ticks64bit = DivU64x32(MultU64x32(TimerPeriod, (UINTN)PcdGet32(PcdSP805WatchdogClockFrequencyInHz)), 20000000);
 
     // The registers in the SP805 are only 32 bits
-    if( Ticks64bit > SP805_MAX_TICKS ) {
+    if(Ticks64bit > (UINT64)0xFFFFFFFF) {
       // We could load the watchdog with the maximum supported value but
       // if a smaller value was requested, this could have the watchdog
       // triggering before it was intended.