qemu

FORK: QEMU emulator
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imx_gpio.h (1918B)


      1 /*
      2  * i.MX processors GPIO registers definition.
      3  *
      4  * Copyright (C) 2015 Jean-Christophe Dubois <jcd@tribudubois.net>
      5  *
      6  * This program is free software; you can redistribute it and/or
      7  * modify it under the terms of the GNU General Public License as
      8  * published by the Free Software Foundation; either version 2 or
      9  * (at your option) version 3 of the License.
     10  *
     11  * This program is distributed in the hope that it will be useful,
     12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14  * GNU General Public License for more details.
     15  *
     16  * You should have received a copy of the GNU General Public License along
     17  * with this program; if not, see <http://www.gnu.org/licenses/>.
     18  */
     19 
     20 #ifndef IMX_GPIO_H
     21 #define IMX_GPIO_H
     22 
     23 #include "hw/sysbus.h"
     24 #include "qom/object.h"
     25 
     26 #define TYPE_IMX_GPIO "imx.gpio"
     27 OBJECT_DECLARE_SIMPLE_TYPE(IMXGPIOState, IMX_GPIO)
     28 
     29 #define IMX_GPIO_MEM_SIZE 0x20
     30 
     31 /* i.MX GPIO memory map */
     32 #define DR_ADDR             0x00 /* DATA REGISTER */
     33 #define GDIR_ADDR           0x04 /* DIRECTION REGISTER */
     34 #define PSR_ADDR            0x08 /* PAD STATUS REGISTER */
     35 #define ICR1_ADDR           0x0c /* INTERRUPT CONFIGURATION REGISTER 1 */
     36 #define ICR2_ADDR           0x10 /* INTERRUPT CONFIGURATION REGISTER 2 */
     37 #define IMR_ADDR            0x14 /* INTERRUPT MASK REGISTER */
     38 #define ISR_ADDR            0x18 /* INTERRUPT STATUS REGISTER */
     39 #define EDGE_SEL_ADDR       0x1c /* EDGE SEL REGISTER */
     40 
     41 #define IMX_GPIO_PIN_COUNT 32
     42 
     43 struct IMXGPIOState {
     44     /*< private >*/
     45     SysBusDevice parent_obj;
     46 
     47     /*< public >*/
     48     MemoryRegion iomem;
     49 
     50     uint32_t dr;
     51     uint32_t gdir;
     52     uint32_t psr;
     53     uint64_t icr;
     54     uint32_t imr;
     55     uint32_t isr;
     56     bool has_edge_sel;
     57     uint32_t edge_sel;
     58     bool has_upper_pin_irq;
     59 
     60     qemu_irq irq[2];
     61     qemu_irq output[IMX_GPIO_PIN_COUNT];
     62 };
     63 
     64 #endif /* IMX_GPIO_H */