diff options
author | Leo Chen <leochen@broadcom.com> | 2009-08-07 20:09:49 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-08-15 16:01:48 +0100 |
commit | 7ba09020287fa6c181707490ea7143abb3db55b1 (patch) | |
tree | 99871a5130ab850950236067b84034f768ef5401 /arch/arm/mach-bcmring/include/mach | |
parent | cf2ddacb567e85f40241f67b240fa445db7a424d (diff) |
ARM: 5660/1: bcmring: add csp timer block header and source files
add csp timer block header and source files
Signed-off-by: Leo Chen <leochen@broadcom.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-bcmring/include/mach')
-rw-r--r-- | arch/arm/mach-bcmring/include/mach/csp/tmrHw_reg.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/arch/arm/mach-bcmring/include/mach/csp/tmrHw_reg.h b/arch/arm/mach-bcmring/include/mach/csp/tmrHw_reg.h new file mode 100644 index 000000000000..3080ac7239a1 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/tmrHw_reg.h @@ -0,0 +1,82 @@ +/***************************************************************************** +* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file tmrHw_reg.h +* +* @brief Definitions for low level Timer registers +* +*/ +/****************************************************************************/ +#ifndef _TMRHW_REG_H +#define _TMRHW_REG_H + +#include <mach/csp/mm_io.h> +#include <mach/csp/hw_cfg.h> +/* Base address */ +#define tmrHw_MODULE_BASE_ADDR MM_IO_BASE_TMR + +/* +This platform has four different timers running at different clock speed + +Timer one (Timer ID 0) runs at 25 MHz +Timer two (Timer ID 1) runs at 25 MHz +Timer three (Timer ID 2) runs at 150 MHz +Timer four (Timer ID 3) runs at 150 MHz +*/ +#define tmrHw_LOW_FREQUENCY_MHZ 25 /* Always 25MHz from XTAL */ +#define tmrHw_LOW_FREQUENCY_HZ 25000000 + +#if defined(CFG_GLOBAL_CHIP) && (CFG_GLOBAL_CHIP == FPGA11107) +#define tmrHw_HIGH_FREQUENCY_MHZ 150 /* Always 150MHz for FPGA */ +#define tmrHw_HIGH_FREQUENCY_HZ 150000000 +#else +#define tmrHw_HIGH_FREQUENCY_HZ HW_CFG_BUS_CLK_HZ +#define tmrHw_HIGH_FREQUENCY_MHZ (HW_CFG_BUS_CLK_HZ / 1000000) +#endif + +#define tmrHw_LOW_RESOLUTION_CLOCK tmrHw_LOW_FREQUENCY_HZ +#define tmrHw_HIGH_RESOLUTION_CLOCK tmrHw_HIGH_FREQUENCY_HZ +#define tmrHw_MAX_COUNT (0xFFFFFFFF) /* maximum number of count a timer can count */ +#define tmrHw_TIMER_NUM_COUNT (4) /* Number of timer module supported */ + +typedef struct { + uint32_t LoadValue; /* Load value for timer */ + uint32_t CurrentValue; /* Current value for timer */ + uint32_t Control; /* Control register */ + uint32_t InterruptClear; /* Interrupt clear register */ + uint32_t RawInterruptStatus; /* Raw interrupt status */ + uint32_t InterruptStatus; /* Masked interrupt status */ + uint32_t BackgroundLoad; /* Background load value */ + uint32_t padding; /* Padding register */ +} tmrHw_REG_t; + +/* Control bot masks */ +#define tmrHw_CONTROL_TIMER_ENABLE 0x00000080 +#define tmrHw_CONTROL_PERIODIC 0x00000040 +#define tmrHw_CONTROL_INTERRUPT_ENABLE 0x00000020 +#define tmrHw_CONTROL_PRESCALE_MASK 0x0000000C +#define tmrHw_CONTROL_PRESCALE_1 0x00000000 +#define tmrHw_CONTROL_PRESCALE_16 0x00000004 +#define tmrHw_CONTROL_PRESCALE_256 0x00000008 +#define tmrHw_CONTROL_32BIT 0x00000002 +#define tmrHw_CONTROL_ONESHOT 0x00000001 +#define tmrHw_CONTROL_FREE_RUNNING 0x00000000 + +#define tmrHw_CONTROL_MODE_MASK (tmrHw_CONTROL_PERIODIC | tmrHw_CONTROL_ONESHOT) + +#define pTmrHw ((volatile tmrHw_REG_t *)tmrHw_MODULE_BASE_ADDR) + +#endif /* _TMRHW_REG_H */ |