ARM Packages: Removed trailing spaces

[mirror_edk2.git] / ArmPlatformPkg / Include / Drivers / SP804Timer.h

diff --git a/ArmPlatformPkg/Include/Drivers/SP804Timer.h b/ArmPlatformPkg/Include/Drivers/SP804Timer.h
index dee337ebf9d144cdd439b539d7f4d5a299dd8d3f..904b13c19325682df76605107564c4a0987d770b 100644 (file)
--- a/ArmPlatformPkg/Include/Drivers/SP804Timer.h
+++ b/ArmPlatformPkg/Include/Drivers/SP804Timer.h
@@ -1,14 +1,14 @@
 /** @file\r
 *\r
 *  Copyright (c) 2011, ARM Limited. All rights reserved.\r
-*  \r
-*  This program and the accompanying materials                          \r
-*  are licensed and made available under the terms and conditions of the BSD License         \r
-*  which accompanies this distribution.  The full text of the license may be found at        \r
-*  http://opensource.org/licenses/bsd-license.php                                            \r
 *\r
-*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
-*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
+*  This program and the accompanying materials\r
+*  are licensed and made available under the terms and conditions of the BSD License\r
+*  which accompanies this distribution.  The full text of the license may be found at\r
+*  http://opensource.org/licenses/bsd-license.php\r
+*\r
+*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
 *\r
 **/\r
 \r
@@ -17,13 +17,17 @@
 #define _SP804_TIMER_H__\r
 \r
 // SP804 Timer constants\r
-#define SP804_TIMER_LOAD_REG          0x00\r
-#define SP804_TIMER_CURRENT_REG       0x04\r
-#define SP804_TIMER_CONTROL_REG       0x08\r
-#define SP804_TIMER_INT_CLR_REG       0x0C\r
-#define SP804_TIMER_RAW_INT_STS_REG   0x10\r
-#define SP804_TIMER_MSK_INT_STS_REG   0x14\r
-#define SP804_TIMER_BG_LOAD_REG       0x18\r
+// Note: The SP804 Timer module comprises two timers, Timer_0 and Timer_1\r
+//       These timers are identical and all their registers have an offset of 0x20\r
+//       i.e. SP804_TIMER_0_LOAD_REG = 0x00 and SP804_TIMER_1_LOAD_REG = 0x20\r
+//       Therefore, define all registers only once and adjust the base addresses by 0x20\r
+#define SP804_TIMER_LOAD_REG            0x00\r
+#define SP804_TIMER_CURRENT_REG         0x04\r
+#define SP804_TIMER_CONTROL_REG         0x08\r
+#define SP804_TIMER_INT_CLR_REG         0x0C\r
+#define SP804_TIMER_RAW_INT_STS_REG     0x10\r
+#define SP804_TIMER_MSK_INT_STS_REG     0x14\r
+#define SP804_TIMER_BG_LOAD_REG         0x18\r
 \r
 // Timer control register bit definitions\r
 #define SP804_TIMER_CTRL_ONESHOT        BIT0\r
@@ -36,6 +40,9 @@
 #define SP804_TIMER_CTRL_PERIODIC       BIT6\r
 #define SP804_TIMER_CTRL_ENABLE         BIT7\r
 \r
+// Other SP804 Timer definitions\r
+#define SP804_MAX_TICKS                 0xFFFFFFFF\r
+\r
 // SP810 System Controller constants\r
 #define SP810_SYS_CTRL_REG              0x00\r
 #define SP810_SYS_CTRL_TIMER0_TIMCLK    BIT15 // 0=REFCLK, 1=TIMCLK\r