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/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
* which accompanies this distribution. The full text of the license may be found at
* http://opensource.org/licenses/bsd-license.php
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*
**/
#ifndef _SP804_TIMER_H__
#define _SP804_TIMER_H__
// SP804 Timer constants
// 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
#define SP804_TIMER_CTRL_32BIT BIT1
#define SP804_TIMER_CTRL_PRESCALE_MASK (BIT3|BIT2)
#define SP804_PRESCALE_DIV_1 0
#define SP804_PRESCALE_DIV_16 BIT2
#define SP804_PRESCALE_DIV_256 BIT3
#define SP804_TIMER_CTRL_INT_ENABLE BIT5
#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
#define SP810_SYS_CTRL_TIMER0_EN BIT16
#define SP810_SYS_CTRL_TIMER1_TIMCLK BIT17 // 0=REFCLK, 1=TIMCLK
#define SP810_SYS_CTRL_TIMER1_EN BIT18
#define SP810_SYS_CTRL_TIMER2_TIMCLK BIT19 // 0=REFCLK, 1=TIMCLK
#define SP810_SYS_CTRL_TIMER2_EN BIT20
#define SP810_SYS_CTRL_TIMER3_TIMCLK BIT21 // 0=REFCLK, 1=TIMCLK
#define SP810_SYS_CTRL_TIMER3_EN BIT22
#endif
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