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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __ASM_SH_SMC37C93X_H
2#define __ASM_SH_SMC37C93X_H
3
4/*
5 * linux/include/asm-sh/smc37c93x.h
6 *
7 * Copyright (C) 2000 Kazumoto Kojima
8 *
9 * SMSC 37C93x Super IO Chip support
10 */
11
12/* Default base I/O address */
13#define FDC_PRIMARY_BASE 0x3f0
14#define IDE1_PRIMARY_BASE 0x1f0
15#define IDE1_SECONDARY_BASE 0x170
16#define PARPORT_PRIMARY_BASE 0x378
17#define COM1_PRIMARY_BASE 0x2f8
18#define COM2_PRIMARY_BASE 0x3f8
19#define RTC_PRIMARY_BASE 0x070
20#define KBC_PRIMARY_BASE 0x060
21#define AUXIO_PRIMARY_BASE 0x000 /* XXX */
22
23/* Logical device number */
24#define LDN_FDC 0
25#define LDN_IDE1 1
26#define LDN_IDE2 2
27#define LDN_PARPORT 3
28#define LDN_COM1 4
29#define LDN_COM2 5
30#define LDN_RTC 6
31#define LDN_KBC 7
32#define LDN_AUXIO 8
33
34/* Configuration port and key */
35#define CONFIG_PORT 0x3f0
36#define INDEX_PORT CONFIG_PORT
37#define DATA_PORT 0x3f1
38#define CONFIG_ENTER 0x55
39#define CONFIG_EXIT 0xaa
40
41/* Configuration index */
42#define CURRENT_LDN_INDEX 0x07
43#define POWER_CONTROL_INDEX 0x22
44#define ACTIVATE_INDEX 0x30
45#define IO_BASE_HI_INDEX 0x60
46#define IO_BASE_LO_INDEX 0x61
47#define IRQ_SELECT_INDEX 0x70
48#define DMA_SELECT_INDEX 0x74
49
50#define GPIO46_INDEX 0xc6
51#define GPIO47_INDEX 0xc7
52
53/* UART stuff. Only for debugging. */
54/* UART Register */
55
56#define UART_RBR 0x0 /* Receiver Buffer Register (Read Only) */
57#define UART_THR 0x0 /* Transmitter Holding Register (Write Only) */
58#define UART_IER 0x2 /* Interrupt Enable Register */
59#define UART_IIR 0x4 /* Interrupt Ident Register (Read Only) */
60#define UART_FCR 0x4 /* FIFO Control Register (Write Only) */
61#define UART_LCR 0x6 /* Line Control Register */
62#define UART_MCR 0x8 /* MODEM Control Register */
63#define UART_LSR 0xa /* Line Status Register */
64#define UART_MSR 0xc /* MODEM Status Register */
65#define UART_SCR 0xe /* Scratch Register */
66#define UART_DLL 0x0 /* Divisor Latch (LS) */
67#define UART_DLM 0x2 /* Divisor Latch (MS) */
68
69#ifndef __ASSEMBLY__
70typedef struct uart_reg {
71 volatile __u16 rbr;
72 volatile __u16 ier;
73 volatile __u16 iir;
74 volatile __u16 lcr;
75 volatile __u16 mcr;
76 volatile __u16 lsr;
77 volatile __u16 msr;
78 volatile __u16 scr;
79} uart_reg;
80#endif /* ! __ASSEMBLY__ */
81
82/* Alias for Write Only Register */
83
84#define thr rbr
85#define tcr iir
86
87/* Alias for Divisor Latch Register */
88
89#define dll rbr
90#define dlm ier
91#define fcr iir
92
93/* Interrupt Enable Register */
94
95#define IER_ERDAI 0x0100 /* Enable Received Data Available Interrupt */
96#define IER_ETHREI 0x0200 /* Enable Transmitter Holding Register Empty Interrupt */
97#define IER_ELSI 0x0400 /* Enable Receiver Line Status Interrupt */
98#define IER_EMSI 0x0800 /* Enable MODEM Status Interrupt */
99
100/* Interrupt Ident Register */
101
102#define IIR_IP 0x0100 /* "0" if Interrupt Pending */
103#define IIR_IIB0 0x0200 /* Interrupt ID Bit 0 */
104#define IIR_IIB1 0x0400 /* Interrupt ID Bit 1 */
105#define IIR_IIB2 0x0800 /* Interrupt ID Bit 2 */
106#define IIR_FIFO 0xc000 /* FIFOs enabled */
107
108/* FIFO Control Register */
109
110#define FCR_FEN 0x0100 /* FIFO enable */
111#define FCR_RFRES 0x0200 /* Receiver FIFO reset */
112#define FCR_TFRES 0x0400 /* Transmitter FIFO reset */
113#define FCR_DMA 0x0800 /* DMA mode select */
114#define FCR_RTL 0x4000 /* Receiver triger (LSB) */
115#define FCR_RTM 0x8000 /* Receiver triger (MSB) */
116
117/* Line Control Register */
118
119#define LCR_WLS0 0x0100 /* Word Length Select Bit 0 */
120#define LCR_WLS1 0x0200 /* Word Length Select Bit 1 */
121#define LCR_STB 0x0400 /* Number of Stop Bits */
122#define LCR_PEN 0x0800 /* Parity Enable */
123#define LCR_EPS 0x1000 /* Even Parity Select */
124#define LCR_SP 0x2000 /* Stick Parity */
125#define LCR_SB 0x4000 /* Set Break */
126#define LCR_DLAB 0x8000 /* Divisor Latch Access Bit */
127
128/* MODEM Control Register */
129
130#define MCR_DTR 0x0100 /* Data Terminal Ready */
131#define MCR_RTS 0x0200 /* Request to Send */
132#define MCR_OUT1 0x0400 /* Out 1 */
133#define MCR_IRQEN 0x0800 /* IRQ Enable */
134#define MCR_LOOP 0x1000 /* Loop */
135
136/* Line Status Register */
137
138#define LSR_DR 0x0100 /* Data Ready */
139#define LSR_OE 0x0200 /* Overrun Error */
140#define LSR_PE 0x0400 /* Parity Error */
141#define LSR_FE 0x0800 /* Framing Error */
142#define LSR_BI 0x1000 /* Break Interrupt */
143#define LSR_THRE 0x2000 /* Transmitter Holding Register Empty */
144#define LSR_TEMT 0x4000 /* Transmitter Empty */
145#define LSR_FIFOE 0x8000 /* Receiver FIFO error */
146
147/* MODEM Status Register */
148
149#define MSR_DCTS 0x0100 /* Delta Clear to Send */
150#define MSR_DDSR 0x0200 /* Delta Data Set Ready */
151#define MSR_TERI 0x0400 /* Trailing Edge Ring Indicator */
152#define MSR_DDCD 0x0800 /* Delta Data Carrier Detect */
153#define MSR_CTS 0x1000 /* Clear to Send */
154#define MSR_DSR 0x2000 /* Data Set Ready */
155#define MSR_RI 0x4000 /* Ring Indicator */
156#define MSR_DCD 0x8000 /* Data Carrier Detect */
157
158/* Baud Rate Divisor */
159
160#define UART_CLK (1843200) /* 1.8432 MHz */
161#define UART_BAUD(x) (UART_CLK / (16 * (x)))
162
163/* RTC register definition */
164#define RTC_SECONDS 0
165#define RTC_SECONDS_ALARM 1
166#define RTC_MINUTES 2
167#define RTC_MINUTES_ALARM 3
168#define RTC_HOURS 4
169#define RTC_HOURS_ALARM 5
170#define RTC_DAY_OF_WEEK 6
171#define RTC_DAY_OF_MONTH 7
172#define RTC_MONTH 8
173#define RTC_YEAR 9
174#define RTC_FREQ_SELECT 10
175# define RTC_UIP 0x80
176# define RTC_DIV_CTL 0x70
177/* This RTC can work under 32.768KHz clock only. */
178# define RTC_OSC_ENABLE 0x20
179# define RTC_OSC_DISABLE 0x00
180#define RTC_CONTROL 11
181# define RTC_SET 0x80
182# define RTC_PIE 0x40
183# define RTC_AIE 0x20
184# define RTC_UIE 0x10
185# define RTC_SQWE 0x08
186# define RTC_DM_BINARY 0x04
187# define RTC_24H 0x02
188# define RTC_DST_EN 0x01
189
190#endif /* __ASM_SH_SMC37C93X_H */