ArmPlatformPkg: Fix ARM RealView EB and VE builds

Tested with RVCTLINUX and ARMGCC toolchains.



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12233 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 14 insertions, 7 deletions

diff --git a/ArmPlatformPkg/Include/Drivers/SP804Timer.h b/ArmPlatformPkg/Include/Drivers/SP804Timer.h
index dee337ebf..f9a89c537 100644
--- a/ArmPlatformPkg/Include/Drivers/SP804Timer.h
+++ b/ArmPlatformPkg/Include/Drivers/SP804Timer.h
@@ -17,13 +17,17 @@
 #define _SP804_TIMER_H__

 

 // SP804 Timer constants

-#define SP804_TIMER_LOAD_REG          0x00

-#define SP804_TIMER_CURRENT_REG       0x04

-#define SP804_TIMER_CONTROL_REG       0x08

-#define SP804_TIMER_INT_CLR_REG       0x0C

-#define SP804_TIMER_RAW_INT_STS_REG   0x10

-#define SP804_TIMER_MSK_INT_STS_REG   0x14

-#define SP804_TIMER_BG_LOAD_REG       0x18

+// Note: The SP804 Timer module comprises two timers, Timer_0 and Timer_1

+//       These timers are identical and all their registers have an offset of 0x20

+//       i.e. SP804_TIMER_0_LOAD_REG = 0x00 and SP804_TIMER_1_LOAD_REG = 0x20

+//       Therefore, define all registers only once and adjust the base addresses by 0x20

+#define SP804_TIMER_LOAD_REG            0x00

+#define SP804_TIMER_CURRENT_REG         0x04

+#define SP804_TIMER_CONTROL_REG         0x08

+#define SP804_TIMER_INT_CLR_REG         0x0C

+#define SP804_TIMER_RAW_INT_STS_REG     0x10

+#define SP804_TIMER_MSK_INT_STS_REG     0x14

+#define SP804_TIMER_BG_LOAD_REG         0x18

 

 // Timer control register bit definitions

 #define SP804_TIMER_CTRL_ONESHOT        BIT0

@@ -36,6 +40,9 @@
 #define SP804_TIMER_CTRL_PERIODIC       BIT6

 #define SP804_TIMER_CTRL_ENABLE         BIT7

 

+// Other SP804 Timer definitions

+#define SP804_MAX_TICKS                 0xFFFFFFFF

+

 // SP810 System Controller constants

 #define SP810_SYS_CTRL_REG              0x00

 #define SP810_SYS_CTRL_TIMER0_TIMCLK    BIT15 // 0=REFCLK, 1=TIMCLK