xref: /OK3568_Linux_fs/kernel/arch/mips/include/asm/txx9tmr.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * include/asm-mips/txx9tmr.h
3*4882a593Smuzhiyun  * TX39/TX49 timer controller definitions.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * This file is subject to the terms and conditions of the GNU General Public
6*4882a593Smuzhiyun  * License.  See the file "COPYING" in the main directory of this archive
7*4882a593Smuzhiyun  * for more details.
8*4882a593Smuzhiyun  */
9*4882a593Smuzhiyun #ifndef __ASM_TXX9TMR_H
10*4882a593Smuzhiyun #define __ASM_TXX9TMR_H
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #include <linux/types.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun struct txx9_tmr_reg {
15*4882a593Smuzhiyun 	u32 tcr;
16*4882a593Smuzhiyun 	u32 tisr;
17*4882a593Smuzhiyun 	u32 cpra;
18*4882a593Smuzhiyun 	u32 cprb;
19*4882a593Smuzhiyun 	u32 itmr;
20*4882a593Smuzhiyun 	u32 unused0[3];
21*4882a593Smuzhiyun 	u32 ccdr;
22*4882a593Smuzhiyun 	u32 unused1[3];
23*4882a593Smuzhiyun 	u32 pgmr;
24*4882a593Smuzhiyun 	u32 unused2[3];
25*4882a593Smuzhiyun 	u32 wtmr;
26*4882a593Smuzhiyun 	u32 unused3[43];
27*4882a593Smuzhiyun 	u32 trr;
28*4882a593Smuzhiyun };
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun /* TMTCR : Timer Control */
31*4882a593Smuzhiyun #define TXx9_TMTCR_TCE		0x00000080
32*4882a593Smuzhiyun #define TXx9_TMTCR_CCDE		0x00000040
33*4882a593Smuzhiyun #define TXx9_TMTCR_CRE		0x00000020
34*4882a593Smuzhiyun #define TXx9_TMTCR_ECES		0x00000008
35*4882a593Smuzhiyun #define TXx9_TMTCR_CCS		0x00000004
36*4882a593Smuzhiyun #define TXx9_TMTCR_TMODE_MASK	0x00000003
37*4882a593Smuzhiyun #define TXx9_TMTCR_TMODE_ITVL	0x00000000
38*4882a593Smuzhiyun #define TXx9_TMTCR_TMODE_PGEN	0x00000001
39*4882a593Smuzhiyun #define TXx9_TMTCR_TMODE_WDOG	0x00000002
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun /* TMTISR : Timer Int. Status */
42*4882a593Smuzhiyun #define TXx9_TMTISR_TPIBS	0x00000004
43*4882a593Smuzhiyun #define TXx9_TMTISR_TPIAS	0x00000002
44*4882a593Smuzhiyun #define TXx9_TMTISR_TIIS	0x00000001
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun /* TMITMR : Interval Timer Mode */
47*4882a593Smuzhiyun #define TXx9_TMITMR_TIIE	0x00008000
48*4882a593Smuzhiyun #define TXx9_TMITMR_TZCE	0x00000001
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun /* TMWTMR : Watchdog Timer Mode */
51*4882a593Smuzhiyun #define TXx9_TMWTMR_TWIE	0x00008000
52*4882a593Smuzhiyun #define TXx9_TMWTMR_WDIS	0x00000080
53*4882a593Smuzhiyun #define TXx9_TMWTMR_TWC		0x00000001
54*4882a593Smuzhiyun 
55*4882a593Smuzhiyun void txx9_clocksource_init(unsigned long baseaddr,
56*4882a593Smuzhiyun 			   unsigned int imbusclk);
57*4882a593Smuzhiyun void txx9_clockevent_init(unsigned long baseaddr, int irq,
58*4882a593Smuzhiyun 			  unsigned int imbusclk);
59*4882a593Smuzhiyun void txx9_tmr_init(unsigned long baseaddr);
60*4882a593Smuzhiyun 
61*4882a593Smuzhiyun #ifdef CONFIG_CPU_TX39XX
62*4882a593Smuzhiyun #define TXX9_TIMER_BITS 24
63*4882a593Smuzhiyun #else
64*4882a593Smuzhiyun #define TXX9_TIMER_BITS 32
65*4882a593Smuzhiyun #endif
66*4882a593Smuzhiyun 
67*4882a593Smuzhiyun #endif /* __ASM_TXX9TMR_H */
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