| /* | |
| * i.MX EPIT Timer | |
| * | |
| * Copyright (c) 2008 OK Labs | |
| * Copyright (c) 2011 NICTA Pty Ltd | |
| * Originally written by Hans Jiang | |
| * Updated by Peter Chubb | |
| * Updated by Jean-Christophe Dubois <jcd@tribudubois.net> | |
| * | |
| * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| * of this software and associated documentation files (the "Software"), to deal | |
| * in the Software without restriction, including without limitation the rights | |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| * copies of the Software, and to permit persons to whom the Software is | |
| * furnished to do so, subject to the following conditions: | |
| * | |
| * The above copyright notice and this permission notice shall be included in | |
| * all copies or substantial portions of the Software. | |
| * | |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
| * THE SOFTWARE. | |
| */ | |
| #ifndef IMX_EPIT_H | |
| #define IMX_EPIT_H | |
| #include "hw/core/sysbus.h" | |
| #include "hw/core/ptimer.h" | |
| #include "hw/misc/imx_ccm.h" | |
| #include "qom/object.h" | |
| /* | |
| * EPIT: Enhanced periodic interrupt timer | |
| */ | |
| #define CR_EN (1 << 0) | |
| #define CR_ENMOD (1 << 1) | |
| #define CR_OCIEN (1 << 2) | |
| #define CR_RLD (1 << 3) | |
| #define CR_PRESCALE_SHIFT (4) | |
| #define CR_PRESCALE_BITS (12) | |
| #define CR_SWR (1 << 16) | |
| #define CR_IOVW (1 << 17) | |
| #define CR_DBGEN (1 << 18) | |
| #define CR_WAITEN (1 << 19) | |
| #define CR_DOZEN (1 << 20) | |
| #define CR_STOPEN (1 << 21) | |
| #define CR_CLKSRC_SHIFT (24) | |
| #define CR_CLKSRC_BITS (2) | |
| #define SR_OCIF (1 << 0) | |
| #define EPIT_TIMER_MAX 0XFFFFFFFFUL | |
| #define TYPE_IMX_EPIT "imx.epit" | |
| OBJECT_DECLARE_SIMPLE_TYPE(IMXEPITState, IMX_EPIT) | |
| struct IMXEPITState { | |
| /*< private >*/ | |
| SysBusDevice parent_obj; | |
| /*< public >*/ | |
| ptimer_state *timer_reload; | |
| ptimer_state *timer_cmp; | |
| MemoryRegion iomem; | |
| IMXCCMState *ccm; | |
| uint32_t cr; | |
| uint32_t sr; | |
| uint32_t lr; | |
| uint32_t cmp; | |
| qemu_irq irq; | |
| }; | |
| #endif /* IMX_EPIT_H */ |