xref: /openbmc/linux/arch/arm/include/asm/smp_twd.h (revision a2818ee4)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASMARM_SMP_TWD_H
3 #define __ASMARM_SMP_TWD_H
4 
5 #define TWD_TIMER_LOAD			0x00
6 #define TWD_TIMER_COUNTER		0x04
7 #define TWD_TIMER_CONTROL		0x08
8 #define TWD_TIMER_INTSTAT		0x0C
9 
10 #define TWD_WDOG_LOAD			0x20
11 #define TWD_WDOG_COUNTER		0x24
12 #define TWD_WDOG_CONTROL		0x28
13 #define TWD_WDOG_INTSTAT		0x2C
14 #define TWD_WDOG_RESETSTAT		0x30
15 #define TWD_WDOG_DISABLE		0x34
16 
17 #define TWD_TIMER_CONTROL_ENABLE	(1 << 0)
18 #define TWD_TIMER_CONTROL_ONESHOT	(0 << 1)
19 #define TWD_TIMER_CONTROL_PERIODIC	(1 << 1)
20 #define TWD_TIMER_CONTROL_IT_ENABLE	(1 << 2)
21 
22 #include <linux/ioport.h>
23 
24 struct twd_local_timer {
25 	struct resource	res[2];
26 };
27 
28 #define DEFINE_TWD_LOCAL_TIMER(name,base,irq)	\
29 struct twd_local_timer name __initdata = {	\
30 	.res	= {				\
31 		DEFINE_RES_MEM(base, 0x10),	\
32 		DEFINE_RES_IRQ(irq),		\
33 	},					\
34 };
35 
36 int twd_local_timer_register(struct twd_local_timer *);
37 
38 #endif
39