| /* |
| * 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/sysbus.h" |
| #include "hw/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_MASK (0xfff) |
| #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_MASK (0x3 << CR_CLKSRC_SHIFT) |
| |
| #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; |
| uint32_t cnt; |
| |
| uint32_t freq; |
| qemu_irq irq; |
| }; |
| |
| #endif /* IMX_EPIT_H */ |
