diff options
| author | Vincenzo Frascino <vincenzo.frascino@linaro.org> | 2017-01-20 16:07:37 +0000 |
|---|---|---|
| committer | Kumar Gala <kumar.gala@linaro.org> | 2017-01-23 15:15:53 -0600 |
| commit | 06f6d3837b690cc3b401faccd43117f7e3c00e8f (patch) | |
| tree | 114b2c65bcc2f00a3fc43732ec27bffbd38f2448 /drivers | |
| parent | dee8ef6f4f1cf90b8a57dd6c6c8cdb6bbd65791f (diff) | |
counter: cmsdk: Add common interface
This patch adds a common interface for timers and counters based on
CMSDK APB timers.
Jira: ZEP-1300
Change-Id: I1f89f674d31410f19b651cd904c79f8d173a5357
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/counter/counter_tmr_cmsdk_apb.c | 21 | ||||
| -rw-r--r-- | drivers/counter/timer_cmsdk_apb.h | 40 |
2 files changed, 41 insertions, 20 deletions
diff --git a/drivers/counter/counter_tmr_cmsdk_apb.c b/drivers/counter/counter_tmr_cmsdk_apb.c index cfb409812..98ba80ade 100644 --- a/drivers/counter/counter_tmr_cmsdk_apb.c +++ b/drivers/counter/counter_tmr_cmsdk_apb.c @@ -10,26 +10,7 @@ #include <init.h> #include <soc.h> -struct timer_cmsdk_apb { - /* Offset: 0x000 (R/W) control register */ - volatile uint32_t ctrl; - /* Offset: 0x004 (R/W) current value register */ - volatile uint32_t value; - /* Offset: 0x008 (R/W) reload value register */ - volatile uint32_t reload; - union { - /* Offset: 0x00C (R/ ) interrupt status register */ - volatile uint32_t intstatus; - /* Offset: 0x00C ( /W) interruptclear register */ - volatile uint32_t intclear; - } intreg; -}; - -#define TIMER_CTRL_IRQ_EN (1 << 3) -#define TIMER_CTRL_SEL_EXT_CLK (1 << 2) -#define TIMER_CTRL_SEL_EXT_EN (1 << 1) -#define TIMER_CTRL_EN (1 << 0) -#define TIMER_CTRL_INT_CLEAR (1 << 0) +#include "timer_cmsdk_apb.h" #define TIMER_MAX_RELOAD 0xFFFFFFFF diff --git a/drivers/counter/timer_cmsdk_apb.h b/drivers/counter/timer_cmsdk_apb.h new file mode 100644 index 000000000..57544a66e --- /dev/null +++ b/drivers/counter/timer_cmsdk_apb.h @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2017 Linaro Limited. + * + * SPDX-License-Identifier: Apache-2.0 + */ +#ifndef _DRIVERS_TIMER_CMSDK_AHB_ +#define _DRIVERS_TIMER_CMSDK_AHB_ + +#include <counter.h> + +#ifdef __cplusplus +extern "C" { +#endif + +struct timer_cmsdk_apb { + /* Offset: 0x000 (R/W) control register */ + volatile uint32_t ctrl; + /* Offset: 0x004 (R/W) current value register */ + volatile uint32_t value; + /* Offset: 0x008 (R/W) reload value register */ + volatile uint32_t reload; + union { + /* Offset: 0x00C (R/ ) interrupt status register */ + volatile uint32_t intstatus; + /* Offset: 0x00C ( /W) interruptclear register */ + volatile uint32_t intclear; + }; +}; + +#define TIMER_CTRL_IRQ_EN (1 << 3) +#define TIMER_CTRL_SEL_EXT_CLK (1 << 2) +#define TIMER_CTRL_SEL_EXT_EN (1 << 1) +#define TIMER_CTRL_EN (1 << 0) +#define TIMER_CTRL_INT_CLEAR (1 << 0) + +#ifdef __cplusplus +} +#endif + +#endif /* _DRIVERS_TIMER_CMSDK_AHB_ */ |