projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1d52866f PM |
1 | /* |
| 2 | * ARM PrimeCell PL022 Synchronous Serial Port | |
| 3 | * | |
| 4 | * Copyright (c) 2007 CodeSourcery. | |
| 5 | * Written by Paul Brook | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License version 2 or | |
| 9 | * (at your option) any later version. | |
| 10 | */ | |
| 11 | ||
| 12 | /* This is a model of the Arm PrimeCell PL022 synchronous serial port. | |
| 13 | * The PL022 TRM is: | |
| 14 | * http://infocenter.arm.com/help/topic/com.arm.doc.ddi0194h/DDI0194H_ssp_pl022_trm.pdf | |
| 15 | * | |
| 16 | * QEMU interface: | |
| 17 | * + sysbus IRQ: SSPINTR combined interrupt line | |
| 18 | * + sysbus MMIO region 0: MemoryRegion for the device's registers | |
| 19 | */ | |
| 20 | ||
| 21 | #ifndef HW_SSI_PL022_H | |
| 22 | #define HW_SSI_PL022_H | |
| 23 | ||
| 24 | #include "hw/sysbus.h" | |
| db1015e9 | 25 | #include "qom/object.h" |
| 1d52866f PM |
26 | |
| 27 | #define TYPE_PL022 "pl022" | |
| 8063396b | 28 | OBJECT_DECLARE_SIMPLE_TYPE(PL022State, PL022) |
| 1d52866f | 29 | |
| db1015e9 | 30 | struct PL022State { |
| 1d52866f PM |
31 | SysBusDevice parent_obj; |
| 32 | ||
| 33 | MemoryRegion iomem; | |
| 34 | uint32_t cr0; | |
| 35 | uint32_t cr1; | |
| 36 | uint32_t bitmask; | |
| 37 | uint32_t sr; | |
| 38 | uint32_t cpsr; | |
| 39 | uint32_t is; | |
| 40 | uint32_t im; | |
| 41 | /* The FIFO head points to the next empty entry. */ | |
| 42 | int tx_fifo_head; | |
| 43 | int rx_fifo_head; | |
| 44 | int tx_fifo_len; | |
| 45 | int rx_fifo_len; | |
| 46 | uint16_t tx_fifo[8]; | |
| 47 | uint16_t rx_fifo[8]; | |
| 48 | qemu_irq irq; | |
| 49 | SSIBus *ssi; | |
| db1015e9 | 50 | }; |
| 1d52866f PM |
51 | |
| 52 | #endif |