mirror of
https://github.com/xemu-project/xemu.git
synced 2024-12-04 09:53:32 +00:00
2a8756ed7d
The RISC-V device-tree code has a number of hard-coded constants and this change moves them into header enums. Cc: Sagar Karandikar <sagark@eecs.berkeley.edu> Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Michael Clark <mjc@sifive.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/*
|
|
* SiFive CLINT (Core Local Interruptor) interface
|
|
*
|
|
* Copyright (c) 2016-2017 Sagar Karandikar, sagark@eecs.berkeley.edu
|
|
* Copyright (c) 2017 SiFive, Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2 or later, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef HW_SIFIVE_CLINT_H
|
|
#define HW_SIFIVE_CLINT_H
|
|
|
|
#define TYPE_SIFIVE_CLINT "riscv.sifive.clint"
|
|
|
|
#define SIFIVE_CLINT(obj) \
|
|
OBJECT_CHECK(SiFiveCLINTState, (obj), TYPE_SIFIVE_CLINT)
|
|
|
|
typedef struct SiFiveCLINTState {
|
|
/*< private >*/
|
|
SysBusDevice parent_obj;
|
|
|
|
/*< public >*/
|
|
MemoryRegion mmio;
|
|
uint32_t num_harts;
|
|
uint32_t sip_base;
|
|
uint32_t timecmp_base;
|
|
uint32_t time_base;
|
|
uint32_t aperture_size;
|
|
} SiFiveCLINTState;
|
|
|
|
DeviceState *sifive_clint_create(hwaddr addr, hwaddr size, uint32_t num_harts,
|
|
uint32_t sip_base, uint32_t timecmp_base, uint32_t time_base);
|
|
|
|
enum {
|
|
SIFIVE_SIP_BASE = 0x0,
|
|
SIFIVE_TIMECMP_BASE = 0x4000,
|
|
SIFIVE_TIME_BASE = 0xBFF8
|
|
};
|
|
|
|
enum {
|
|
SIFIVE_CLINT_TIMEBASE_FREQ = 10000000
|
|
};
|
|
|
|
#endif
|