1#ifndef __ASM_SH_M1543C_H
2#define __ASM_SH_M1543C_H
3
4/*
5 * linux/include/asm-sh/m1543c.h
6 * Copyright (C) 2001  Nobuhiro Sakawa
7 * M1543C:PCI-ISA Bus Bridge with Super IO Chip support
8 *
9 * from
10 *
11 * linux/include/asm-sh/smc37c93x.h
12 *
13 * Copyright (C) 2000  Kazumoto Kojima
14 *
15 * SMSC 37C93x Super IO Chip support
16 */
17
18/* Default base I/O address */
19#define FDC_PRIMARY_BASE	0x3f0
20#define IDE1_PRIMARY_BASE	0x1f0
21#define IDE1_SECONDARY_BASE	0x170
22#define PARPORT_PRIMARY_BASE	0x378
23#define COM1_PRIMARY_BASE	0x2f8
24#define COM2_PRIMARY_BASE	0x3f8
25#define COM3_PRIMARY_BASE	0x3e8
26#define RTC_PRIMARY_BASE	0x070
27#define KBC_PRIMARY_BASE	0x060
28#define AUXIO_PRIMARY_BASE	0x000
29#define I8259_M_CR		0x20
30#define I8259_M_MR		0x21
31#define I8259_S_CR		0xa0
32#define I8259_S_MR		0xa1
33
34/* Logical device number */
35#define LDN_FDC			0
36#define LDN_IDE1		1
37#define LDN_IDE2		2
38#define LDN_PARPORT		3
39#define LDN_COM1		4
40#define LDN_COM2		5
41#define LDN_COM3		11
42#define LDN_RTC			6
43#define LDN_KBC			7
44
45/* Configuration port and key */
46#define CONFIG_PORT		0x3f0
47#define INDEX_PORT		CONFIG_PORT
48#define DATA_PORT		0x3f1
49#define CONFIG_ENTER1		0x51
50#define CONFIG_ENTER2		0x23
51#define CONFIG_EXIT		0xbb
52
53/* Configuration index */
54#define CURRENT_LDN_INDEX	0x07
55#define POWER_CONTROL_INDEX	0x22
56#define ACTIVATE_INDEX		0x30
57#define IO_BASE_HI_INDEX	0x60
58#define IO_BASE_LO_INDEX	0x61
59#define IRQ_SELECT_INDEX	0x70
60#define PS2_IRQ_INDEX		0x72
61#define DMA_SELECT_INDEX	0x74
62
63/* UART stuff. Only for debugging.  */
64/* UART Register */
65
66#define UART_RBR	0x0	/* Receiver Buffer Register (Read Only) */
67#define UART_THR	0x0	/* Transmitter Holding Register (Write Only) */
68#define UART_IER	0x2	/* Interrupt Enable Register */
69#define UART_IIR	0x4	/* Interrupt Ident Register (Read Only) */
70#define UART_FCR	0x4	/* FIFO Control Register (Write Only) */
71#define UART_LCR	0x6	/* Line Control Register */
72#define UART_MCR	0x8	/* MODEM Control Register */
73#define UART_LSR	0xa	/* Line Status Register */
74#define UART_MSR	0xc	/* MODEM Status Register */
75#define UART_SCR	0xe	/* Scratch Register */
76#define UART_DLL	0x0	/* Divisor Latch (LS) */
77#define UART_DLM	0x2	/* Divisor Latch (MS) */
78
79#ifndef __ASSEMBLY__
80typedef struct uart_reg {
81	volatile __u16 rbr;
82	volatile __u16 ier;
83	volatile __u16 iir;
84	volatile __u16 lcr;
85	volatile __u16 mcr;
86	volatile __u16 lsr;
87	volatile __u16 msr;
88	volatile __u16 scr;
89} uart_reg;
90#endif /* ! __ASSEMBLY__ */
91
92/* Alias for Write Only Register */
93
94#define thr	rbr
95#define tcr	iir
96
97/* Alias for Divisor Latch Register */
98
99#define dll	rbr
100#define dlm	ier
101#define fcr	iir
102
103/* Interrupt Enable Register */
104
105#define IER_ERDAI	0x0100	/* Enable Received Data Available Interrupt */
106#define IER_ETHREI	0x0200	/* Enable Transmitter Holding Register Empty Interrupt */
107#define IER_ELSI	0x0400	/* Enable Receiver Line Status Interrupt */
108#define IER_EMSI	0x0800	/* Enable MODEM Status Interrupt */
109
110/* Interrupt Ident Register */
111
112#define IIR_IP		0x0100	/* "0" if Interrupt Pending */
113#define IIR_IIB0	0x0200	/* Interrupt ID Bit 0 */
114#define IIR_IIB1	0x0400	/* Interrupt ID Bit 1 */
115#define IIR_IIB2	0x0800	/* Interrupt ID Bit 2 */
116#define IIR_FIFO	0xc000	/* FIFOs enabled */
117
118/* FIFO Control Register */
119
120#define FCR_FEN		0x0100	/* FIFO enable */
121#define FCR_RFRES	0x0200	/* Receiver FIFO reset */
122#define FCR_TFRES	0x0400	/* Transmitter FIFO reset */
123#define FCR_DMA		0x0800	/* DMA mode select */
124#define FCR_RTL		0x4000	/* Receiver triger (LSB) */
125#define FCR_RTM		0x8000	/* Receiver triger (MSB) */
126
127/* Line Control Register */
128
129#define LCR_WLS0	0x0100	/* Word Length Select Bit 0 */
130#define LCR_WLS1	0x0200	/* Word Length Select Bit 1 */
131#define LCR_STB		0x0400	/* Number of Stop Bits */
132#define LCR_PEN		0x0800	/* Parity Enable */
133#define LCR_EPS		0x1000	/* Even Parity Select */
134#define LCR_SP		0x2000	/* Stick Parity */
135#define LCR_SB		0x4000	/* Set Break */
136#define LCR_DLAB	0x8000	/* Divisor Latch Access Bit */
137
138/* MODEM Control Register */
139
140#define MCR_DTR		0x0100	/* Data Terminal Ready */
141#define MCR_RTS		0x0200	/* Request to Send */
142#define MCR_OUT1	0x0400	/* Out 1 */
143#define MCR_IRQEN	0x0800	/* IRQ Enable */
144#define MCR_LOOP	0x1000	/* Loop */
145
146/* Line Status Register */
147
148#define LSR_DR		0x0100	/* Data Ready */
149#define LSR_OE		0x0200	/* Overrun Error */
150#define LSR_PE		0x0400	/* Parity Error */
151#define LSR_FE		0x0800	/* Framing Error */
152#define LSR_BI		0x1000	/* Break Interrupt */
153#define LSR_THRE	0x2000	/* Transmitter Holding Register Empty */
154#define LSR_TEMT	0x4000	/* Transmitter Empty */
155#define LSR_FIFOE	0x8000	/* Receiver FIFO error */
156
157/* MODEM Status Register */
158
159#define MSR_DCTS	0x0100	/* Delta Clear to Send */
160#define MSR_DDSR	0x0200	/* Delta Data Set Ready */
161#define MSR_TERI	0x0400	/* Trailing Edge Ring Indicator */
162#define MSR_DDCD	0x0800	/* Delta Data Carrier Detect */
163#define MSR_CTS		0x1000	/* Clear to Send */
164#define MSR_DSR		0x2000	/* Data Set Ready */
165#define MSR_RI		0x4000	/* Ring Indicator */
166#define MSR_DCD		0x8000	/* Data Carrier Detect */
167
168/* Baud Rate Divisor */
169
170#define UART_CLK	(1843200)	/* 1.8432 MHz */
171#define UART_BAUD(x)	(UART_CLK / (16 * (x)))
172
173/* RTC register definition */
174#define RTC_SECONDS             0
175#define RTC_SECONDS_ALARM       1
176#define RTC_MINUTES             2
177#define RTC_MINUTES_ALARM       3
178#define RTC_HOURS               4
179#define RTC_HOURS_ALARM         5
180#define RTC_DAY_OF_WEEK         6
181#define RTC_DAY_OF_MONTH        7
182#define RTC_MONTH               8
183#define RTC_YEAR                9
184#define RTC_FREQ_SELECT		10
185# define RTC_UIP 0x80
186# define RTC_DIV_CTL 0x70
187/* This RTC can work under 32.768KHz clock only.  */
188# define RTC_OSC_ENABLE 0x20
189# define RTC_OSC_DISABLE 0x00
190#define RTC_CONTROL     	11
191# define RTC_SET 0x80
192# define RTC_PIE 0x40
193# define RTC_AIE 0x20
194# define RTC_UIE 0x10
195# define RTC_SQWE 0x08
196# define RTC_DM_BINARY 0x04
197# define RTC_24H 0x02
198# define RTC_DST_EN 0x01
199
200#endif  /* __ASM_SH_M1543C_H */
201