19 	*(volatile u8 *)(A20R_PT_CLOCK_BASE + 12) = 0x34;  in a20r_set_periodic()
21 	*(volatile u8 *)(A20R_PT_CLOCK_BASE + 0) = SNI_COUNTER0_DIV & 0xff;  in a20r_set_periodic()
23 	*(volatile u8 *)(A20R_PT_CLOCK_BASE + 0) = SNI_COUNTER0_DIV >> 8;  in a20r_set_periodic()
26 	*(volatile u8 *)(A20R_PT_CLOCK_BASE + 12) = 0xb4;  in a20r_set_periodic()
28 	*(volatile u8 *)(A20R_PT_CLOCK_BASE + 8) = SNI_COUNTER2_DIV & 0xff;  in a20r_set_periodic()
32 	return 0;  in a20r_set_periodic()
50 	*(volatile u8 *)A20R_PT_TIM0_ACK = 0;  in a20r_interrupt()
60  * Counter 2 output is connected to Counter 0 & 1 input.
84 	outb_p(0x34, 0x43);  in dosample()
85 	outb_p(SNI_8254_TCSAMP_COUNTER & 0xff, 0x40);  in dosample()
86 	outb(SNI_8254_TCSAMP_COUNTER >> 8, 0x40);  in dosample()
93 		outb(0x00, 0x43);  in dosample()
94 		(void) inb(0x40);  in dosample()
95 		msb = inb(0x40);  in dosample()
100 	outb(0x38, 0x43);  in dosample()
132 		r4k_ticks[0] = dosample();  in plat_time_init()
133 	} while (!r4k_ticks[0]);  in plat_time_init()
138 	if (r4k_ticks[0] != r4k_ticks[1]) {  in plat_time_init()
141 		if (r4k_ticks[2] == r4k_ticks[0]  in plat_time_init()
146 			r4k_tick = (r4k_ticks[0] + r4k_ticks[1]  in plat_time_init()
150 		r4k_tick = r4k_ticks[0];  in plat_time_init()