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Release 4.14 arch/sh/include/asm/smc37c93x.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SH_SMC37C93X_H

#define __ASM_SH_SMC37C93X_H

/*
 * linux/include/asm-sh/smc37c93x.h
 *
 * Copyright (C) 2000  Kazumoto Kojima
 *
 * SMSC 37C93x Super IO Chip support
 */

/* Default base I/O address */

#define FDC_PRIMARY_BASE	0x3f0

#define IDE1_PRIMARY_BASE	0x1f0

#define IDE1_SECONDARY_BASE	0x170

#define PARPORT_PRIMARY_BASE	0x378

#define COM1_PRIMARY_BASE	0x2f8

#define COM2_PRIMARY_BASE	0x3f8

#define RTC_PRIMARY_BASE	0x070

#define KBC_PRIMARY_BASE	0x060

#define AUXIO_PRIMARY_BASE	0x000	
/* XXX */

/* Logical device number */

#define LDN_FDC			0

#define LDN_IDE1		1

#define LDN_IDE2		2

#define LDN_PARPORT		3

#define LDN_COM1		4

#define LDN_COM2		5

#define LDN_RTC			6

#define LDN_KBC			7

#define LDN_AUXIO		8

/* Configuration port and key */

#define CONFIG_PORT		0x3f0

#define INDEX_PORT		CONFIG_PORT

#define DATA_PORT		0x3f1

#define CONFIG_ENTER		0x55

#define CONFIG_EXIT		0xaa

/* Configuration index */

#define CURRENT_LDN_INDEX	0x07

#define POWER_CONTROL_INDEX	0x22

#define ACTIVATE_INDEX		0x30

#define IO_BASE_HI_INDEX	0x60

#define IO_BASE_LO_INDEX	0x61

#define IRQ_SELECT_INDEX	0x70

#define DMA_SELECT_INDEX	0x74


#define GPIO46_INDEX		0xc6

#define GPIO47_INDEX		0xc7

/* UART stuff. Only for debugging.  */
/* UART Register */


#define UART_RBR	0x0	
/* Receiver Buffer Register (Read Only) */

#define UART_THR	0x0	
/* Transmitter Holding Register (Write Only) */

#define UART_IER	0x2	
/* Interrupt Enable Register */

#define UART_IIR	0x4	
/* Interrupt Ident Register (Read Only) */

#define UART_FCR	0x4	
/* FIFO Control Register (Write Only) */

#define UART_LCR	0x6	
/* Line Control Register */

#define UART_MCR	0x8	
/* MODEM Control Register */

#define UART_LSR	0xa	
/* Line Status Register */

#define UART_MSR	0xc	
/* MODEM Status Register */

#define UART_SCR	0xe	
/* Scratch Register */

#define UART_DLL	0x0	
/* Divisor Latch (LS) */

#define UART_DLM	0x2	
/* Divisor Latch (MS) */

#ifndef __ASSEMBLY__

typedef struct uart_reg {
	
volatile __u16 rbr;
	
volatile __u16 ier;
	
volatile __u16 iir;
	
volatile __u16 lcr;
	
volatile __u16 mcr;
	
volatile __u16 lsr;
	
volatile __u16 msr;
	
volatile __u16 scr;

} uart_reg;
#endif /* ! __ASSEMBLY__ */

/* Alias for Write Only Register */


#define thr	rbr

#define tcr	iir

/* Alias for Divisor Latch Register */


#define dll	rbr

#define dlm	ier

#define fcr	iir

/* Interrupt Enable Register */


#define IER_ERDAI	0x0100	
/* Enable Received Data Available Interrupt */

#define IER_ETHREI	0x0200	
/* Enable Transmitter Holding Register Empty Interrupt */

#define IER_ELSI	0x0400	
/* Enable Receiver Line Status Interrupt */

#define IER_EMSI	0x0800	
/* Enable MODEM Status Interrupt */

/* Interrupt Ident Register */


#define IIR_IP		0x0100	
/* "0" if Interrupt Pending */

#define IIR_IIB0	0x0200	
/* Interrupt ID Bit 0 */

#define IIR_IIB1	0x0400	
/* Interrupt ID Bit 1 */

#define IIR_IIB2	0x0800	
/* Interrupt ID Bit 2 */

#define IIR_FIFO	0xc000	
/* FIFOs enabled */

/* FIFO Control Register */


#define FCR_FEN		0x0100	
/* FIFO enable */

#define FCR_RFRES	0x0200	
/* Receiver FIFO reset */

#define FCR_TFRES	0x0400	
/* Transmitter FIFO reset */

#define FCR_DMA		0x0800	
/* DMA mode select */

#define FCR_RTL		0x4000	
/* Receiver triger (LSB) */

#define FCR_RTM		0x8000	
/* Receiver triger (MSB) */

/* Line Control Register */


#define LCR_WLS0	0x0100	
/* Word Length Select Bit 0 */

#define LCR_WLS1	0x0200	
/* Word Length Select Bit 1 */

#define LCR_STB		0x0400	
/* Number of Stop Bits */

#define LCR_PEN		0x0800	
/* Parity Enable */

#define LCR_EPS		0x1000	
/* Even Parity Select */

#define LCR_SP		0x2000	
/* Stick Parity */

#define LCR_SB		0x4000	
/* Set Break */

#define LCR_DLAB	0x8000	
/* Divisor Latch Access Bit */

/* MODEM Control Register */


#define MCR_DTR		0x0100	
/* Data Terminal Ready */

#define MCR_RTS		0x0200	
/* Request to Send */

#define MCR_OUT1	0x0400	
/* Out 1 */

#define MCR_IRQEN	0x0800	
/* IRQ Enable */

#define MCR_LOOP	0x1000	
/* Loop */

/* Line Status Register */


#define LSR_DR		0x0100	
/* Data Ready */

#define LSR_OE		0x0200	
/* Overrun Error */

#define LSR_PE		0x0400	
/* Parity Error */

#define LSR_FE		0x0800	
/* Framing Error */

#define LSR_BI		0x1000	
/* Break Interrupt */

#define LSR_THRE	0x2000	
/* Transmitter Holding Register Empty */

#define LSR_TEMT	0x4000	
/* Transmitter Empty */

#define LSR_FIFOE	0x8000	
/* Receiver FIFO error */

/* MODEM Status Register */


#define MSR_DCTS	0x0100	
/* Delta Clear to Send */

#define MSR_DDSR	0x0200	
/* Delta Data Set Ready */

#define MSR_TERI	0x0400	
/* Trailing Edge Ring Indicator */

#define MSR_DDCD	0x0800	
/* Delta Data Carrier Detect */

#define MSR_CTS		0x1000	
/* Clear to Send */

#define MSR_DSR		0x2000	
/* Data Set Ready */

#define MSR_RI		0x4000	
/* Ring Indicator */

#define MSR_DCD		0x8000	
/* Data Carrier Detect */

/* Baud Rate Divisor */


#define UART_CLK	(1843200)	
/* 1.8432 MHz */

#define UART_BAUD(x)	(UART_CLK / (16 * (x)))

/* RTC register definition */

#define RTC_SECONDS             0

#define RTC_SECONDS_ALARM       1

#define RTC_MINUTES             2

#define RTC_MINUTES_ALARM       3

#define RTC_HOURS               4

#define RTC_HOURS_ALARM         5

#define RTC_DAY_OF_WEEK         6

#define RTC_DAY_OF_MONTH        7

#define RTC_MONTH               8

#define RTC_YEAR                9

#define RTC_FREQ_SELECT		10

# define RTC_UIP 0x80

# define RTC_DIV_CTL 0x70
/* This RTC can work under 32.768KHz clock only.  */

# define RTC_OSC_ENABLE 0x20

# define RTC_OSC_DISABLE 0x00

#define RTC_CONTROL     	11

# define RTC_SET 0x80

# define RTC_PIE 0x40

# define RTC_AIE 0x20

# define RTC_UIE 0x10

# define RTC_SQWE 0x08

# define RTC_DM_BINARY 0x04

# define RTC_24H 0x02

# define RTC_DST_EN 0x01

#endif  /* __ASM_SH_SMC37C93X_H */

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